content/browser/renderer_host/render_widget_host_view_aura.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/browser/renderer_host/render_widget_host_view_aura.h"
   6
   7 #include <set>
   8
   9 #include "base/auto_reset.h"
  10 #include "base/basictypes.h"
  11 #include "base/bind.h"
  12 #include "base/callback_helpers.h"
  13 #include "base/command_line.h"
  14 #include "base/logging.h"
  15 #include "base/message_loop/message_loop.h"
  16 #include "base/strings/string_number_conversions.h"
  17 #include "base/trace_event/trace_event.h"
  18 #include "cc/layers/layer.h"
  19 #include "cc/output/copy_output_request.h"
  20 #include "cc/output/copy_output_result.h"
  21 #include "cc/resources/texture_mailbox.h"
  22 #include "cc/trees/layer_tree_settings.h"
  23 #include "content/browser/accessibility/browser_accessibility_manager.h"
  24 #include "content/browser/accessibility/browser_accessibility_state_impl.h"
  25 #include "content/browser/bad_message.h"
  26 #include "content/browser/frame_host/frame_tree.h"
  27 #include "content/browser/frame_host/frame_tree_node.h"
  28 #include "content/browser/frame_host/render_frame_host_impl.h"
  29 #include "content/browser/gpu/compositor_util.h"
  30 #include "content/browser/renderer_host/compositor_resize_lock_aura.h"
  31 #include "content/browser/renderer_host/dip_util.h"
  32 #include "content/browser/renderer_host/input/synthetic_gesture_target_aura.h"
  33 #include "content/browser/renderer_host/input/touch_selection_controller_client_aura.h"
  34 #include "content/browser/renderer_host/input/ui_touch_selection_helper.h"
  35 #include "content/browser/renderer_host/input/web_input_event_util.h"
  36 #include "content/browser/renderer_host/overscroll_controller.h"
  37 #include "content/browser/renderer_host/render_view_host_delegate.h"
  38 #include "content/browser/renderer_host/render_view_host_delegate_view.h"
  39 #include "content/browser/renderer_host/render_view_host_impl.h"
  40 #include "content/browser/renderer_host/render_widget_host_delegate.h"
  41 #include "content/browser/renderer_host/render_widget_host_impl.h"
  42 #include "content/browser/renderer_host/render_widget_host_input_event_router.h"
  43 #include "content/browser/renderer_host/ui_events_helper.h"
  44 #include "content/browser/renderer_host/web_input_event_aura.h"
  45 #include "content/common/gpu/client/gl_helper.h"
  46 #include "content/common/gpu/gpu_messages.h"
  47 #include "content/common/view_messages.h"
  48 #include "content/public/browser/content_browser_client.h"
  49 #include "content/public/browser/overscroll_configuration.h"
  50 #include "content/public/browser/render_view_host.h"
  51 #include "content/public/browser/render_widget_host_view_frame_subscriber.h"
  52 #include "content/public/browser/user_metrics.h"
  53 #include "content/public/common/content_switches.h"
  54 #include "third_party/WebKit/public/platform/WebScreenInfo.h"
  55 #include "third_party/WebKit/public/web/WebCompositionUnderline.h"
  56 #include "third_party/WebKit/public/web/WebInputEvent.h"
  57 #include "ui/aura/client/aura_constants.h"
  58 #include "ui/aura/client/cursor_client.h"
  59 #include "ui/aura/client/cursor_client_observer.h"
  60 #include "ui/aura/client/focus_client.h"
  61 #include "ui/aura/client/screen_position_client.h"
  62 #include "ui/aura/client/window_tree_client.h"
  63 #include "ui/aura/env.h"
  64 #include "ui/aura/window.h"
  65 #include "ui/aura/window_event_dispatcher.h"
  66 #include "ui/aura/window_observer.h"
  67 #include "ui/aura/window_tracker.h"
  68 #include "ui/aura/window_tree_host.h"
  69 #include "ui/base/clipboard/scoped_clipboard_writer.h"
  70 #include "ui/base/hit_test.h"
  71 #include "ui/base/ime/input_method.h"
  72 #include "ui/base/ui_base_types.h"
  73 #include "ui/compositor/compositor_vsync_manager.h"
  74 #include "ui/compositor/dip_util.h"
  75 #include "ui/events/blink/blink_event_util.h"
  76 #include "ui/events/event.h"
  77 #include "ui/events/event_utils.h"
  78 #include "ui/events/gesture_detection/gesture_configuration.h"
  79 #include "ui/events/gestures/gesture_recognizer.h"
  80 #include "ui/gfx/canvas.h"
  81 #include "ui/gfx/color_profile.h"
  82 #include "ui/gfx/display.h"
  83 #include "ui/gfx/geometry/rect_conversions.h"
  84 #include "ui/gfx/geometry/size_conversions.h"
  85 #include "ui/gfx/screen.h"
  86 #include "ui/gfx/skia_util.h"
  87 #include "ui/touch_selection/touch_selection_controller.h"
  88 #include "ui/wm/public/activation_client.h"
  89 #include "ui/wm/public/scoped_tooltip_disabler.h"
  90 #include "ui/wm/public/tooltip_client.h"
  91 #include "ui/wm/public/transient_window_client.h"
  92 #include "ui/wm/public/window_types.h"
  93
  94 #if defined(OS_WIN)
  95 #include "content/browser/accessibility/browser_accessibility_manager_win.h"
  96 #include "content/browser/accessibility/browser_accessibility_win.h"
  97 #include "content/browser/renderer_host/legacy_render_widget_host_win.h"
  98 #include "content/common/plugin_constants_win.h"
  99 #include "ui/base/win/hidden_window.h"
 100 #include "ui/gfx/gdi_util.h"
 101 #include "ui/gfx/win/dpi.h"
 102 #endif
 103
 104 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
 105 #include "content/common/input_messages.h"
 106 #include "ui/events/linux/text_edit_command_auralinux.h"
 107 #include "ui/events/linux/text_edit_key_bindings_delegate_auralinux.h"
 108 #endif
 109
 110 using gfx::RectToSkIRect;
 111 using gfx::SkIRectToRect;
 112
 113 using blink::WebScreenInfo;
 114 using blink::WebInputEvent;
 115 using blink::WebGestureEvent;
 116 using blink::WebTouchEvent;
 117
 118 namespace content {
 119
 120 namespace {
 121
 122 // In mouse lock mode, we need to prevent the (invisible) cursor from hitting
 123 // the border of the view, in order to get valid movement information. However,
 124 // forcing the cursor back to the center of the view after each mouse move
 125 // doesn't work well. It reduces the frequency of useful mouse move messages
 126 // significantly. Therefore, we move the cursor to the center of the view only
 127 // if it approaches the border. |kMouseLockBorderPercentage| specifies the width
 128 // of the border area, in percentage of the corresponding dimension.
 129 const int kMouseLockBorderPercentage = 15;
 130
 131 // When accelerated compositing is enabled and a widget resize is pending,
 132 // we delay further resizes of the UI. The following constant is the maximum
 133 // length of time that we should delay further UI resizes while waiting for a
 134 // resized frame from a renderer.
 135 const int kResizeLockTimeoutMs = 67;
 136
 137 #if defined(OS_WIN)
 138 // Used to associate a plugin HWND with its RenderWidgetHostViewAura instance.
 139 const wchar_t kWidgetOwnerProperty[] = L"RenderWidgetHostViewAuraOwner";
 140
 141 BOOL CALLBACK WindowDestroyingCallback(HWND window, LPARAM param) {
 142   RenderWidgetHostViewAura* widget =
 143       reinterpret_cast<RenderWidgetHostViewAura*>(param);
 144   if (GetProp(window, kWidgetOwnerProperty) == widget) {
 145     // Properties set on HWNDs must be removed to avoid leaks.
 146     RemoveProp(window, kWidgetOwnerProperty);
 147     RenderWidgetHostViewBase::DetachPluginWindowsCallback(window);
 148   }
 149   return TRUE;
 150 }
 151
 152 BOOL CALLBACK HideWindowsCallback(HWND window, LPARAM param) {
 153   RenderWidgetHostViewAura* widget =
 154       reinterpret_cast<RenderWidgetHostViewAura*>(param);
 155   if (GetProp(window, kWidgetOwnerProperty) == widget)
 156     SetParent(window, ui::GetHiddenWindow());
 157   return TRUE;
 158 }
 159
 160 BOOL CALLBACK ShowWindowsCallback(HWND window, LPARAM param) {
 161   RenderWidgetHostViewAura* widget =
 162       reinterpret_cast<RenderWidgetHostViewAura*>(param);
 163
 164   if (GetProp(window, kWidgetOwnerProperty) == widget &&
 165       widget->GetNativeView()->GetHost()) {
 166     HWND parent = widget->GetNativeView()->GetHost()->GetAcceleratedWidget();
 167     SetParent(window, parent);
 168   }
 169   return TRUE;
 170 }
 171
 172 struct CutoutRectsParams {
 173   RenderWidgetHostViewAura* widget;
 174   std::vector<gfx::Rect> cutout_rects;
 175   std::map<HWND, WebPluginGeometry>* geometry;
 176 };
 177
 178 // Used to update the region for the windowed plugin to draw in. We start with
 179 // the clip rect from the renderer, then remove the cutout rects from the
 180 // renderer, and then remove the transient windows from the root window and the
 181 // constrained windows from the parent window.
 182 BOOL CALLBACK SetCutoutRectsCallback(HWND window, LPARAM param) {
 183   CutoutRectsParams* params = reinterpret_cast<CutoutRectsParams*>(param);
 184
 185   if (GetProp(window, kWidgetOwnerProperty) == params->widget) {
 186     // First calculate the offset of this plugin from the root window, since
 187     // the cutouts are relative to the root window.
 188     HWND parent =
 189         params->widget->GetNativeView()->GetHost()->GetAcceleratedWidget();
 190     POINT offset;
 191     offset.x = offset.y = 0;
 192     MapWindowPoints(window, parent, &offset, 1);
 193
 194     // Now get the cached clip rect and cutouts for this plugin window that came
 195     // from the renderer.
 196     std::map<HWND, WebPluginGeometry>::iterator i = params->geometry->begin();
 197     while (i != params->geometry->end() &&
 198            i->second.window != window &&
 199            GetParent(i->second.window) != window) {
 200       ++i;
 201     }
 202
 203     if (i == params->geometry->end()) {
 204       NOTREACHED();
 205       return TRUE;
 206     }
 207
 208     HRGN hrgn = CreateRectRgn(i->second.clip_rect.x(),
 209                               i->second.clip_rect.y(),
 210                               i->second.clip_rect.right(),
 211                               i->second.clip_rect.bottom());
 212     // We start with the cutout rects that came from the renderer, then add the
 213     // ones that came from transient and constrained windows.
 214     std::vector<gfx::Rect> cutout_rects = i->second.cutout_rects;
 215     for (size_t i = 0; i < params->cutout_rects.size(); ++i) {
 216       gfx::Rect offset_cutout = params->cutout_rects[i];
 217       offset_cutout.Offset(-offset.x, -offset.y);
 218       cutout_rects.push_back(offset_cutout);
 219     }
 220     gfx::SubtractRectanglesFromRegion(hrgn, cutout_rects);
 221     // If we don't have any cutout rects then no point in messing with the
 222     // window region.
 223     if (cutout_rects.size())
 224       SetWindowRgn(window, hrgn, TRUE);
 225   }
 226   return TRUE;
 227 }
 228
 229 // A callback function for EnumThreadWindows to enumerate and dismiss
 230 // any owned popup windows.
 231 BOOL CALLBACK DismissOwnedPopups(HWND window, LPARAM arg) {
 232   const HWND toplevel_hwnd = reinterpret_cast<HWND>(arg);
 233
 234   if (::IsWindowVisible(window)) {
 235     const HWND owner = ::GetWindow(window, GW_OWNER);
 236     if (toplevel_hwnd == owner) {
 237       ::PostMessage(window, WM_CANCELMODE, 0, 0);
 238     }
 239   }
 240
 241   return TRUE;
 242 }
 243 #endif
 244
 245 // We don't mark these as handled so that they're sent back to the
 246 // DefWindowProc so it can generate WM_APPCOMMAND as necessary.
 247 bool IsXButtonUpEvent(const ui::MouseEvent* event) {
 248 #if defined(OS_WIN)
 249   switch (event->native_event().message) {
 250     case WM_XBUTTONUP:
 251     case WM_NCXBUTTONUP:
 252       return true;
 253   }
 254 #endif
 255   return false;
 256 }
 257
 258 void GetScreenInfoForWindow(WebScreenInfo* results, aura::Window* window) {
 259   const gfx::Display display = window ?
 260       gfx::Screen::GetScreenFor(window)->GetDisplayNearestWindow(window) :
 261       gfx::Screen::GetScreenFor(window)->GetPrimaryDisplay();
 262   results->rect = display.bounds();
 263   results->availableRect = display.work_area();
 264   // TODO(derat|oshima): Don't hardcode this. Get this from display object.
 265   results->depth = 24;
 266   results->depthPerComponent = 8;
 267   results->deviceScaleFactor = display.device_scale_factor();
 268
 269   // The Display rotation and the WebScreenInfo orientation are not the same
 270   // angle. The former is the physical display rotation while the later is the
 271   // rotation required by the content to be shown properly on the screen, in
 272   // other words, relative to the physical display.
 273   results->orientationAngle = display.RotationAsDegree();
 274   if (results->orientationAngle == 90)
 275     results->orientationAngle = 270;
 276   else if (results->orientationAngle == 270)
 277     results->orientationAngle = 90;
 278
 279   results->orientationType =
 280       RenderWidgetHostViewBase::GetOrientationTypeForDesktop(display);
 281 }
 282
 283 bool IsFractionalScaleFactor(float scale_factor) {
 284   return (scale_factor - static_cast<int>(scale_factor)) > 0;
 285 }
 286
 287 // Reset unchanged touch point to StateStationary for touchmove and
 288 // touchcancel.
 289 void MarkUnchangedTouchPointsAsStationary(
 290     blink::WebTouchEvent* event,
 291     int changed_touch_id) {
 292   if (event->type == blink::WebInputEvent::TouchMove ||
 293       event->type == blink::WebInputEvent::TouchCancel) {
 294     for (size_t i = 0; i < event->touchesLength; ++i) {
 295       if (event->touches[i].id != changed_touch_id)
 296         event->touches[i].state = blink::WebTouchPoint::StateStationary;
 297     }
 298   }
 299 }
 300
 301 }  // namespace
 302
 303 // We need to watch for mouse events outside a Web Popup or its parent
 304 // and dismiss the popup for certain events.
 305 class RenderWidgetHostViewAura::EventFilterForPopupExit
 306     : public ui::EventHandler {
 307  public:
 308   explicit EventFilterForPopupExit(RenderWidgetHostViewAura* rwhva)
 309       : rwhva_(rwhva) {
 310     DCHECK(rwhva_);
 311     aura::Env::GetInstance()->AddPreTargetHandler(this);
 312   }
 313
 314   ~EventFilterForPopupExit() override {
 315     aura::Env::GetInstance()->RemovePreTargetHandler(this);
 316   }
 317
 318   // Overridden from ui::EventHandler
 319   void OnMouseEvent(ui::MouseEvent* event) override {
 320     rwhva_->ApplyEventFilterForPopupExit(event);
 321   }
 322
 323   void OnTouchEvent(ui::TouchEvent* event) override {
 324     rwhva_->ApplyEventFilterForPopupExit(event);
 325   }
 326
 327  private:
 328   RenderWidgetHostViewAura* rwhva_;
 329
 330   DISALLOW_COPY_AND_ASSIGN(EventFilterForPopupExit);
 331 };
 332
 333 void RenderWidgetHostViewAura::ApplyEventFilterForPopupExit(
 334     ui::LocatedEvent* event) {
 335   if (in_shutdown_ || is_fullscreen_ || !event->target())
 336     return;
 337
 338   if (event->type() != ui::ET_MOUSE_PRESSED &&
 339       event->type() != ui::ET_TOUCH_PRESSED) {
 340     return;
 341   }
 342
 343   aura::Window* target = static_cast<aura::Window*>(event->target());
 344   if (target != window_ &&
 345       (!popup_parent_host_view_ ||
 346        target != popup_parent_host_view_->window_)) {
 347     // If we enter this code path it means that we did not receive any focus
 348     // lost notifications for the popup window. Ensure that blink is aware
 349     // of the fact that focus was lost for the host window by sending a Blur
 350     // notification. We also set a flag in the view indicating that we need
 351     // to force a Focus notification on the next mouse down.
 352     if (popup_parent_host_view_ && popup_parent_host_view_->host_) {
 353       popup_parent_host_view_->set_focus_on_mouse_down_ = true;
 354       popup_parent_host_view_->host_->Blur();
 355     }
 356     // Note: popup_parent_host_view_ may be NULL when there are multiple
 357     // popup children per view. See: RenderWidgetHostViewAura::InitAsPopup().
 358     Shutdown();
 359   }
 360 }
 361
 362 // We have to implement the WindowObserver interface on a separate object
 363 // because clang doesn't like implementing multiple interfaces that have
 364 // methods with the same name. This object is owned by the
 365 // RenderWidgetHostViewAura.
 366 class RenderWidgetHostViewAura::WindowObserver : public aura::WindowObserver {
 367  public:
 368   explicit WindowObserver(RenderWidgetHostViewAura* view)
 369       : view_(view) {
 370     view_->window_->AddObserver(this);
 371   }
 372
 373   ~WindowObserver() override { view_->window_->RemoveObserver(this); }
 374
 375   // Overridden from aura::WindowObserver:
 376   void OnWindowAddedToRootWindow(aura::Window* window) override {
 377     if (window == view_->window_)
 378       view_->AddedToRootWindow();
 379   }
 380
 381   void OnWindowRemovingFromRootWindow(aura::Window* window,
 382                                       aura::Window* new_root) override {
 383     if (window == view_->window_)
 384       view_->RemovingFromRootWindow();
 385   }
 386
 387   void OnWindowHierarchyChanged(const HierarchyChangeParams& params) override {
 388     view_->ParentHierarchyChanged();
 389   }
 390
 391  private:
 392   RenderWidgetHostViewAura* view_;
 393
 394   DISALLOW_COPY_AND_ASSIGN(WindowObserver);
 395 };
 396
 397 // This class provides functionality to observe the ancestors of the RWHVA for
 398 // bounds changes. This is done to snap the RWHVA window to a pixel boundary,
 399 // which could change when the bounds relative to the root changes.
 400 // An example where this happens is below:-
 401 // The fast resize code path for bookmarks where in the parent of RWHVA which
 402 // is WCV has its bounds changed before the bookmark is hidden. This results in
 403 // the traditional bounds change notification for the WCV reporting the old
 404 // bounds as the bookmark is still around. Observing all the ancestors of the
 405 // RWHVA window enables us to know when the bounds of the window relative to
 406 // root changes and allows us to snap accordingly.
 407 class RenderWidgetHostViewAura::WindowAncestorObserver
 408     : public aura::WindowObserver {
 409  public:
 410   explicit WindowAncestorObserver(RenderWidgetHostViewAura* view)
 411       : view_(view) {
 412     aura::Window* parent = view_->window_->parent();
 413     while (parent) {
 414       parent->AddObserver(this);
 415       ancestors_.insert(parent);
 416       parent = parent->parent();
 417     }
 418   }
 419
 420   ~WindowAncestorObserver() override {
 421     RemoveAncestorObservers();
 422   }
 423
 424   void OnWindowBoundsChanged(aura::Window* window,
 425                              const gfx::Rect& old_bounds,
 426                              const gfx::Rect& new_bounds) override {
 427     DCHECK(ancestors_.find(window) != ancestors_.end());
 428     if (new_bounds.origin() != old_bounds.origin())
 429       view_->HandleParentBoundsChanged();
 430   }
 431
 432  private:
 433   void RemoveAncestorObservers() {
 434     for (auto ancestor : ancestors_)
 435       ancestor->RemoveObserver(this);
 436     ancestors_.clear();
 437   }
 438
 439   RenderWidgetHostViewAura* view_;
 440   std::set<aura::Window*> ancestors_;
 441
 442   DISALLOW_COPY_AND_ASSIGN(WindowAncestorObserver);
 443 };
 444
 445 ////////////////////////////////////////////////////////////////////////////////
 446 // RenderWidgetHostViewAura, public:
 447
 448 RenderWidgetHostViewAura::RenderWidgetHostViewAura(RenderWidgetHost* host,
 449                                                    bool is_guest_view_hack)
 450     : host_(RenderWidgetHostImpl::From(host)),
 451       window_(new aura::Window(this)),
 452       delegated_frame_host_(new DelegatedFrameHost(this)),
 453       in_shutdown_(false),
 454       in_bounds_changed_(false),
 455       is_fullscreen_(false),
 456       popup_parent_host_view_(NULL),
 457       popup_child_host_view_(NULL),
 458       is_loading_(false),
 459       text_input_type_(ui::TEXT_INPUT_TYPE_NONE),
 460       text_input_mode_(ui::TEXT_INPUT_MODE_DEFAULT),
 461       text_input_flags_(0),
 462       can_compose_inline_(true),
 463       has_composition_text_(false),
 464       accept_return_character_(false),
 465       last_swapped_software_frame_scale_factor_(1.f),
 466       paint_canvas_(NULL),
 467       synthetic_move_sent_(false),
 468       cursor_visibility_state_in_renderer_(UNKNOWN),
 469 #if defined(OS_WIN)
 470       legacy_render_widget_host_HWND_(NULL),
 471       legacy_window_destroyed_(false),
 472       showing_context_menu_(false),
 473 #endif
 474       has_snapped_to_boundary_(false),
 475       is_guest_view_hack_(is_guest_view_hack),
 476       begin_frame_observer_proxy_(this),
 477       set_focus_on_mouse_down_(false),
 478       weak_ptr_factory_(this) {
 479   if (!is_guest_view_hack_)
 480     host_->SetView(this);
 481
 482   window_observer_.reset(new WindowObserver(this));
 483
 484   aura::client::SetTooltipText(window_, &tooltip_);
 485   aura::client::SetActivationDelegate(window_, this);
 486   aura::client::SetFocusChangeObserver(window_, this);
 487   window_->set_layer_owner_delegate(delegated_frame_host_.get());
 488   gfx::Screen::GetScreenFor(window_)->AddObserver(this);
 489
 490   // Let the page-level input event router know about our surface ID
 491   // namespace for surface-based hit testing.
 492   if (UseSurfacesEnabled() && host_->delegate() &&
 493       host_->delegate()->GetInputEventRouter()) {
 494     host_->delegate()->GetInputEventRouter()->AddSurfaceIdNamespaceOwner(
 495         GetSurfaceIdNamespace(), this);
 496   }
 497
 498   bool overscroll_enabled = base::CommandLine::ForCurrentProcess()->
 499       GetSwitchValueASCII(switches::kOverscrollHistoryNavigation) != "0";
 500   SetOverscrollControllerEnabled(overscroll_enabled);
 501
 502   selection_controller_client_.reset(
 503       new TouchSelectionControllerClientAura(this));
 504   CreateSelectionController();
 505 }
 506
 507 ////////////////////////////////////////////////////////////////////////////////
 508 // RenderWidgetHostViewAura, RenderWidgetHostView implementation:
 509
 510 bool RenderWidgetHostViewAura::OnMessageReceived(
 511     const IPC::Message& message) {
 512   bool handled = true;
 513   IPC_BEGIN_MESSAGE_MAP(RenderWidgetHostViewAura, message)
 514     IPC_MESSAGE_HANDLER(ViewHostMsg_SetNeedsBeginFrames,
 515                         OnSetNeedsBeginFrames)
 516     IPC_MESSAGE_UNHANDLED(handled = false)
 517   IPC_END_MESSAGE_MAP()
 518   return handled;
 519 }
 520
 521 void RenderWidgetHostViewAura::InitAsChild(
 522     gfx::NativeView parent_view) {
 523   window_->SetType(ui::wm::WINDOW_TYPE_CONTROL);
 524   window_->Init(ui::LAYER_SOLID_COLOR);
 525   window_->SetName("RenderWidgetHostViewAura");
 526   window_->layer()->SetColor(background_color_);
 527 }
 528
 529 void RenderWidgetHostViewAura::InitAsPopup(
 530     RenderWidgetHostView* parent_host_view,
 531     const gfx::Rect& bounds_in_screen) {
 532   popup_parent_host_view_ =
 533       static_cast<RenderWidgetHostViewAura*>(parent_host_view);
 534
 535   // TransientWindowClient may be NULL during tests.
 536   aura::client::TransientWindowClient* transient_window_client =
 537       aura::client::GetTransientWindowClient();
 538   RenderWidgetHostViewAura* old_child =
 539       popup_parent_host_view_->popup_child_host_view_;
 540   if (old_child) {
 541     // TODO(jhorwich): Allow multiple popup_child_host_view_ per view, or
 542     // similar mechanism to ensure a second popup doesn't cause the first one
 543     // to never get a chance to filter events. See crbug.com/160589.
 544     DCHECK(old_child->popup_parent_host_view_ == popup_parent_host_view_);
 545     if (transient_window_client) {
 546       transient_window_client->RemoveTransientChild(
 547         popup_parent_host_view_->window_, old_child->window_);
 548     }
 549     old_child->popup_parent_host_view_ = NULL;
 550   }
 551   popup_parent_host_view_->popup_child_host_view_ = this;
 552   window_->SetType(ui::wm::WINDOW_TYPE_MENU);
 553   window_->Init(ui::LAYER_SOLID_COLOR);
 554   window_->SetName("RenderWidgetHostViewAura");
 555   window_->layer()->SetColor(background_color_);
 556
 557   // Setting the transient child allows for the popup to get mouse events when
 558   // in a system modal dialog. Do this before calling ParentWindowWithContext
 559   // below so that the transient parent is visible to WindowTreeClient.
 560   // This fixes crbug.com/328593.
 561   if (transient_window_client) {
 562     transient_window_client->AddTransientChild(
 563         popup_parent_host_view_->window_, window_);
 564   }
 565
 566   aura::Window* root = popup_parent_host_view_->window_->GetRootWindow();
 567   aura::client::ParentWindowWithContext(window_, root, bounds_in_screen);
 568
 569   SetBounds(bounds_in_screen);
 570   Show();
 571   if (NeedsMouseCapture())
 572     window_->SetCapture();
 573
 574   event_filter_for_popup_exit_.reset(new EventFilterForPopupExit(this));
 575 }
 576
 577 void RenderWidgetHostViewAura::InitAsFullscreen(
 578     RenderWidgetHostView* reference_host_view) {
 579   is_fullscreen_ = true;
 580   window_->SetType(ui::wm::WINDOW_TYPE_NORMAL);
 581   window_->Init(ui::LAYER_SOLID_COLOR);
 582   window_->SetName("RenderWidgetHostViewAura");
 583   window_->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_FULLSCREEN);
 584   window_->layer()->SetColor(background_color_);
 585
 586   aura::Window* parent = NULL;
 587   gfx::Rect bounds;
 588   if (reference_host_view) {
 589     aura::Window* reference_window =
 590         static_cast<RenderWidgetHostViewAura*>(reference_host_view)->window_;
 591     if (reference_window) {
 592       host_tracker_.reset(new aura::WindowTracker);
 593       host_tracker_->Add(reference_window);
 594     }
 595     gfx::Display display = gfx::Screen::GetScreenFor(window_)->
 596         GetDisplayNearestWindow(reference_window);
 597     parent = reference_window->GetRootWindow();
 598     bounds = display.bounds();
 599   }
 600   aura::client::ParentWindowWithContext(window_, parent, bounds);
 601   Show();
 602   Focus();
 603 }
 604
 605 RenderWidgetHost* RenderWidgetHostViewAura::GetRenderWidgetHost() const {
 606   return host_;
 607 }
 608
 609 void RenderWidgetHostViewAura::Show() {
 610   window_->Show();
 611
 612   if (!host_->is_hidden())
 613     return;
 614
 615   bool has_saved_frame = delegated_frame_host_->HasSavedFrame();
 616   ui::LatencyInfo renderer_latency_info, browser_latency_info;
 617   if (has_saved_frame) {
 618     browser_latency_info.AddLatencyNumber(
 619         ui::TAB_SHOW_COMPONENT, host_->GetLatencyComponentId(), 0);
 620   } else {
 621     renderer_latency_info.AddLatencyNumber(
 622         ui::TAB_SHOW_COMPONENT, host_->GetLatencyComponentId(), 0);
 623   }
 624   host_->WasShown(renderer_latency_info);
 625
 626   aura::Window* root = window_->GetRootWindow();
 627   if (root) {
 628     aura::client::CursorClient* cursor_client =
 629         aura::client::GetCursorClient(root);
 630     if (cursor_client)
 631       NotifyRendererOfCursorVisibilityState(cursor_client->IsCursorVisible());
 632   }
 633
 634   delegated_frame_host_->WasShown(browser_latency_info);
 635
 636 #if defined(OS_WIN)
 637   if (legacy_render_widget_host_HWND_) {
 638     // Reparent the legacy Chrome_RenderWidgetHostHWND window to the parent
 639     // window before reparenting any plugins. This ensures that the plugin
 640     // windows stay on top of the child Zorder in the parent and receive
 641     // mouse events, etc.
 642     legacy_render_widget_host_HWND_->UpdateParent(
 643         GetNativeView()->GetHost()->GetAcceleratedWidget());
 644     legacy_render_widget_host_HWND_->SetBounds(
 645         window_->GetBoundsInRootWindow());
 646   }
 647   LPARAM lparam = reinterpret_cast<LPARAM>(this);
 648   EnumChildWindows(ui::GetHiddenWindow(), ShowWindowsCallback, lparam);
 649
 650   if (legacy_render_widget_host_HWND_)
 651     legacy_render_widget_host_HWND_->Show();
 652 #endif
 653 }
 654
 655 void RenderWidgetHostViewAura::Hide() {
 656   window_->Hide();
 657
 658   if (host_ && !host_->is_hidden()) {
 659     host_->WasHidden();
 660     delegated_frame_host_->WasHidden();
 661
 662 #if defined(OS_WIN)
 663     constrained_rects_.clear();
 664     aura::WindowTreeHost* host = window_->GetHost();
 665     if (host) {
 666       HWND parent = host->GetAcceleratedWidget();
 667       LPARAM lparam = reinterpret_cast<LPARAM>(this);
 668       EnumChildWindows(parent, HideWindowsCallback, lparam);
 669       // We reparent the legacy Chrome_RenderWidgetHostHWND window to the global
 670       // hidden window on the same lines as Windowed plugin windows.
 671       if (legacy_render_widget_host_HWND_)
 672         legacy_render_widget_host_HWND_->UpdateParent(ui::GetHiddenWindow());
 673     }
 674 #endif
 675   }
 676
 677 #if defined(OS_WIN)
 678   if (legacy_render_widget_host_HWND_)
 679     legacy_render_widget_host_HWND_->Hide();
 680 #endif
 681 }
 682
 683 void RenderWidgetHostViewAura::SetSize(const gfx::Size& size) {
 684   // For a SetSize operation, we don't care what coordinate system the origin
 685   // of the window is in, it's only important to make sure that the origin
 686   // remains constant after the operation.
 687   InternalSetBounds(gfx::Rect(window_->bounds().origin(), size));
 688 }
 689
 690 void RenderWidgetHostViewAura::SetBounds(const gfx::Rect& rect) {
 691   gfx::Point relative_origin(rect.origin());
 692
 693   // RenderWidgetHostViewAura::SetBounds() takes screen coordinates, but
 694   // Window::SetBounds() takes parent coordinates, so do the conversion here.
 695   aura::Window* root = window_->GetRootWindow();
 696   if (root) {
 697     aura::client::ScreenPositionClient* screen_position_client =
 698         aura::client::GetScreenPositionClient(root);
 699     if (screen_position_client) {
 700       screen_position_client->ConvertPointFromScreen(
 701           window_->parent(), &relative_origin);
 702     }
 703   }
 704
 705   InternalSetBounds(gfx::Rect(relative_origin, rect.size()));
 706 }
 707
 708 gfx::Vector2dF RenderWidgetHostViewAura::GetLastScrollOffset() const {
 709   return last_scroll_offset_;
 710 }
 711
 712 gfx::NativeView RenderWidgetHostViewAura::GetNativeView() const {
 713   return window_;
 714 }
 715
 716 gfx::NativeViewId RenderWidgetHostViewAura::GetNativeViewId() const {
 717 #if defined(OS_WIN)
 718   aura::WindowTreeHost* host = window_->GetHost();
 719   if (host)
 720     return reinterpret_cast<gfx::NativeViewId>(host->GetAcceleratedWidget());
 721 #endif
 722   return static_cast<gfx::NativeViewId>(NULL);
 723 }
 724
 725 gfx::NativeViewAccessible RenderWidgetHostViewAura::GetNativeViewAccessible() {
 726 #if defined(OS_WIN)
 727   aura::WindowTreeHost* host = window_->GetHost();
 728   if (!host)
 729     return static_cast<gfx::NativeViewAccessible>(NULL);
 730   BrowserAccessibilityManager* manager =
 731       host_->GetOrCreateRootBrowserAccessibilityManager();
 732   if (manager)
 733     return manager->GetRoot()->ToBrowserAccessibilityWin();
 734 #endif
 735
 736   NOTIMPLEMENTED();
 737   return static_cast<gfx::NativeViewAccessible>(NULL);
 738 }
 739
 740 ui::TextInputClient* RenderWidgetHostViewAura::GetTextInputClient() {
 741   return this;
 742 }
 743
 744 void RenderWidgetHostViewAura::OnSetNeedsBeginFrames(bool needs_begin_frames) {
 745   begin_frame_observer_proxy_.SetNeedsBeginFrames(needs_begin_frames);
 746 }
 747
 748 void RenderWidgetHostViewAura::SendBeginFrame(const cc::BeginFrameArgs& args) {
 749   delegated_frame_host_->SetVSyncParameters(args.frame_time, args.interval);
 750   host_->Send(new ViewMsg_BeginFrame(host_->GetRoutingID(), args));
 751 }
 752
 753 void RenderWidgetHostViewAura::SetKeyboardFocus() {
 754 #if defined(OS_WIN)
 755   if (CanFocus()) {
 756     aura::WindowTreeHost* host = window_->GetHost();
 757     if (host)
 758       ::SetFocus(host->GetAcceleratedWidget());
 759   }
 760 #endif
 761   if (host_ && set_focus_on_mouse_down_) {
 762     set_focus_on_mouse_down_ = false;
 763     host_->Focus();
 764   }
 765 }
 766
 767 RenderFrameHostImpl* RenderWidgetHostViewAura::GetFocusedFrame() {
 768   if (!host_->IsRenderView())
 769     return NULL;
 770   RenderViewHost* rvh = RenderViewHost::From(host_);
 771   FrameTreeNode* focused_frame =
 772       rvh->GetDelegate()->GetFrameTree()->GetFocusedFrame();
 773   if (!focused_frame)
 774     return NULL;
 775
 776   return focused_frame->current_frame_host();
 777 }
 778
 779 bool RenderWidgetHostViewAura::CanRendererHandleEvent(
 780     const ui::MouseEvent* event,
 781     bool mouse_locked,
 782     bool selection_popup) {
 783 #if defined(OS_WIN)
 784   bool showing_context_menu = showing_context_menu_;
 785   showing_context_menu_ = false;
 786 #endif
 787
 788   if (event->type() == ui::ET_MOUSE_CAPTURE_CHANGED)
 789     return false;
 790
 791   if (event->type() == ui::ET_MOUSE_EXITED) {
 792     if (mouse_locked || selection_popup)
 793       return false;
 794 #if defined(OS_WIN)
 795     // Don't forward the mouse leave message which is received when the context
 796     // menu is displayed by the page. This confuses the page and causes state
 797     // changes.
 798     if (showing_context_menu)
 799       return false;
 800 #endif
 801     return true;
 802   }
 803
 804 #if defined(OS_WIN)
 805   // Renderer cannot handle WM_XBUTTON or NC events.
 806   switch (event->native_event().message) {
 807     case WM_XBUTTONDOWN:
 808     case WM_XBUTTONUP:
 809     case WM_XBUTTONDBLCLK:
 810     case WM_NCMOUSELEAVE:
 811     case WM_NCMOUSEMOVE:
 812     case WM_NCLBUTTONDOWN:
 813     case WM_NCLBUTTONUP:
 814     case WM_NCLBUTTONDBLCLK:
 815     case WM_NCRBUTTONDOWN:
 816     case WM_NCRBUTTONUP:
 817     case WM_NCRBUTTONDBLCLK:
 818     case WM_NCMBUTTONDOWN:
 819     case WM_NCMBUTTONUP:
 820     case WM_NCMBUTTONDBLCLK:
 821     case WM_NCXBUTTONDOWN:
 822     case WM_NCXBUTTONUP:
 823     case WM_NCXBUTTONDBLCLK:
 824       return false;
 825     default:
 826       break;
 827   }
 828 #elif defined(USE_X11)
 829   // Renderer only supports standard mouse buttons, so ignore programmable
 830   // buttons.
 831   switch (event->type()) {
 832     case ui::ET_MOUSE_PRESSED:
 833     case ui::ET_MOUSE_RELEASED: {
 834       const int kAllowedButtons = ui::EF_LEFT_MOUSE_BUTTON |
 835                                   ui::EF_MIDDLE_MOUSE_BUTTON |
 836                                   ui::EF_RIGHT_MOUSE_BUTTON;
 837       return (event->flags() & kAllowedButtons) != 0;
 838     }
 839     default:
 840       break;
 841   }
 842 #endif
 843   return true;
 844 }
 845
 846 void RenderWidgetHostViewAura::HandleParentBoundsChanged() {
 847   SnapToPhysicalPixelBoundary();
 848 #if defined(OS_WIN)
 849   if (legacy_render_widget_host_HWND_) {
 850     legacy_render_widget_host_HWND_->SetBounds(
 851         window_->GetBoundsInRootWindow());
 852   }
 853 #endif
 854   if (!in_shutdown_)
 855     host_->SendScreenRects();
 856 }
 857
 858 void RenderWidgetHostViewAura::ParentHierarchyChanged() {
 859   ancestor_window_observer_.reset(new WindowAncestorObserver(this));
 860   // Snap when we receive a hierarchy changed. http://crbug.com/388908.
 861   HandleParentBoundsChanged();
 862 }
 863
 864 void RenderWidgetHostViewAura::MovePluginWindows(
 865     const std::vector<WebPluginGeometry>& plugin_window_moves) {
 866 #if defined(OS_WIN)
 867   // We need to clip the rectangle to the tab's viewport, otherwise we will draw
 868   // over the browser UI.
 869   if (!window_->GetRootWindow()) {
 870     DCHECK(plugin_window_moves.empty());
 871     return;
 872   }
 873   HWND parent = window_->GetHost()->GetAcceleratedWidget();
 874   gfx::Rect view_bounds = window_->GetBoundsInRootWindow();
 875   std::vector<WebPluginGeometry> moves = plugin_window_moves;
 876
 877   gfx::Rect view_port(view_bounds.size());
 878
 879   for (size_t i = 0; i < moves.size(); ++i) {
 880     gfx::Rect clip(moves[i].clip_rect);
 881     gfx::Vector2d view_port_offset(
 882         moves[i].window_rect.OffsetFromOrigin());
 883     clip.Offset(view_port_offset);
 884     clip.Intersect(view_port);
 885     clip.Offset(-view_port_offset);
 886     moves[i].clip_rect = clip;
 887
 888     moves[i].window_rect.Offset(view_bounds.OffsetFromOrigin());
 889
 890     plugin_window_moves_[moves[i].window] = moves[i];
 891
 892     // constrained_rects_ are relative to the root window. We want to convert
 893     // them to be relative to the plugin window.
 894     for (size_t j = 0; j < constrained_rects_.size(); ++j) {
 895       gfx::Rect offset_cutout = constrained_rects_[j];
 896       offset_cutout -= moves[i].window_rect.OffsetFromOrigin();
 897       moves[i].cutout_rects.push_back(offset_cutout);
 898     }
 899   }
 900
 901   MovePluginWindowsHelper(parent, moves);
 902
 903   // Make sure each plugin window (or its wrapper if it exists) has a pointer to
 904   // |this|.
 905   for (size_t i = 0; i < moves.size(); ++i) {
 906     HWND window = moves[i].window;
 907     if (GetParent(window) != parent) {
 908       window = GetParent(window);
 909     }
 910     if (!GetProp(window, kWidgetOwnerProperty))
 911       SetProp(window, kWidgetOwnerProperty, this);
 912   }
 913 #endif  // defined(OS_WIN)
 914 }
 915
 916 void RenderWidgetHostViewAura::Focus() {
 917   // Make sure we have a FocusClient before attempting to Focus(). In some
 918   // situations we may not yet be in a valid Window hierarchy (such as reloading
 919   // after out of memory discarded the tab).
 920   aura::client::FocusClient* client = aura::client::GetFocusClient(window_);
 921   if (client)
 922     window_->Focus();
 923 }
 924
 925 bool RenderWidgetHostViewAura::HasFocus() const {
 926   return window_->HasFocus();
 927 }
 928
 929 bool RenderWidgetHostViewAura::IsSurfaceAvailableForCopy() const {
 930   return delegated_frame_host_->CanCopyToBitmap();
 931 }
 932
 933 bool RenderWidgetHostViewAura::IsShowing() {
 934   return window_->IsVisible();
 935 }
 936
 937 gfx::Rect RenderWidgetHostViewAura::GetViewBounds() const {
 938   return window_->GetBoundsInScreen();
 939 }
 940
 941 void RenderWidgetHostViewAura::SetBackgroundColor(SkColor color) {
 942   RenderWidgetHostViewBase::SetBackgroundColor(color);
 943   bool opaque = GetBackgroundOpaque();
 944   host_->SetBackgroundOpaque(opaque);
 945   window_->layer()->SetFillsBoundsOpaquely(opaque);
 946   window_->layer()->SetColor(color);
 947 }
 948
 949 gfx::Size RenderWidgetHostViewAura::GetVisibleViewportSize() const {
 950   gfx::Rect requested_rect(GetRequestedRendererSize());
 951   requested_rect.Inset(insets_);
 952   return requested_rect.size();
 953 }
 954
 955 void RenderWidgetHostViewAura::SetInsets(const gfx::Insets& insets) {
 956   if (insets != insets_) {
 957     insets_ = insets;
 958     host_->WasResized();
 959   }
 960 }
 961
 962 void RenderWidgetHostViewAura::UpdateCursor(const WebCursor& cursor) {
 963   current_cursor_ = cursor;
 964   const gfx::Display display = gfx::Screen::GetScreenFor(window_)->
 965       GetDisplayNearestWindow(window_);
 966   current_cursor_.SetDisplayInfo(display);
 967   UpdateCursorIfOverSelf();
 968 }
 969
 970 void RenderWidgetHostViewAura::SetIsLoading(bool is_loading) {
 971   is_loading_ = is_loading;
 972   UpdateCursorIfOverSelf();
 973 }
 974
 975 void RenderWidgetHostViewAura::TextInputStateChanged(
 976     const ViewHostMsg_TextInputState_Params& params) {
 977   if (text_input_type_ != params.type ||
 978       text_input_mode_ != params.mode ||
 979       can_compose_inline_ != params.can_compose_inline ||
 980       text_input_flags_ != params.flags) {
 981     text_input_type_ = params.type;
 982     text_input_mode_ = params.mode;
 983     can_compose_inline_ = params.can_compose_inline;
 984     text_input_flags_ = params.flags;
 985     if (GetInputMethod())
 986       GetInputMethod()->OnTextInputTypeChanged(this);
 987   }
 988   if (params.show_ime_if_needed && params.type != ui::TEXT_INPUT_TYPE_NONE) {
 989     if (GetInputMethod())
 990       GetInputMethod()->ShowImeIfNeeded();
 991   }
 992 }
 993
 994 void RenderWidgetHostViewAura::ImeCancelComposition() {
 995   if (GetInputMethod())
 996     GetInputMethod()->CancelComposition(this);
 997   has_composition_text_ = false;
 998 }
 999
1000 void RenderWidgetHostViewAura::ImeCompositionRangeChanged(
1001     const gfx::Range& range,
1002     const std::vector<gfx::Rect>& character_bounds) {
1003   composition_character_bounds_ = character_bounds;
1004 }
1005
1006 void RenderWidgetHostViewAura::RenderProcessGone(base::TerminationStatus status,
1007                                                  int error_code) {
1008   UpdateCursorIfOverSelf();
1009   Destroy();
1010 }
1011
1012 void RenderWidgetHostViewAura::Destroy() {
1013   // Beware, this function is not called on all destruction paths. It will
1014   // implicitly end up calling ~RenderWidgetHostViewAura though, so all
1015   // destruction/cleanup code should happen there, not here.
1016   in_shutdown_ = true;
1017   delete window_;
1018 }
1019
1020 void RenderWidgetHostViewAura::SetTooltipText(
1021     const base::string16& tooltip_text) {
1022   tooltip_ = tooltip_text;
1023   aura::Window* root_window = window_->GetRootWindow();
1024   aura::client::TooltipClient* tooltip_client =
1025       aura::client::GetTooltipClient(root_window);
1026   if (tooltip_client) {
1027     tooltip_client->UpdateTooltip(window_);
1028     // Content tooltips should be visible indefinitely.
1029     tooltip_client->SetTooltipShownTimeout(window_, 0);
1030   }
1031 }
1032
1033 void RenderWidgetHostViewAura::SelectionChanged(const base::string16& text,
1034                                                 size_t offset,
1035                                                 const gfx::Range& range) {
1036   RenderWidgetHostViewBase::SelectionChanged(text, offset, range);
1037
1038 #if defined(USE_X11) && !defined(OS_CHROMEOS)
1039   if (text.empty() || range.is_empty())
1040     return;
1041   size_t pos = range.GetMin() - offset;
1042   size_t n = range.length();
1043
1044   DCHECK(pos + n <= text.length()) << "The text can not fully cover range.";
1045   if (pos >= text.length()) {
1046     NOTREACHED() << "The text can not cover range.";
1047     return;
1048   }
1049
1050   // Set the CLIPBOARD_TYPE_SELECTION to the ui::Clipboard.
1051   ui::ScopedClipboardWriter clipboard_writer(ui::CLIPBOARD_TYPE_SELECTION);
1052   clipboard_writer.WriteText(text.substr(pos, n));
1053 #endif  // defined(USE_X11) && !defined(OS_CHROMEOS)
1054 }
1055
1056 gfx::Size RenderWidgetHostViewAura::GetRequestedRendererSize() const {
1057   return delegated_frame_host_->GetRequestedRendererSize();
1058 }
1059
1060 void RenderWidgetHostViewAura::SelectionBoundsChanged(
1061     const ViewHostMsg_SelectionBounds_Params& params) {
1062   ui::SelectionBound anchor_bound, focus_bound;
1063   anchor_bound.SetEdge(params.anchor_rect.origin(),
1064                        params.anchor_rect.bottom_left());
1065   focus_bound.SetEdge(params.focus_rect.origin(),
1066                       params.focus_rect.bottom_left());
1067
1068   if (params.anchor_rect == params.focus_rect) {
1069     anchor_bound.set_type(ui::SelectionBound::CENTER);
1070     focus_bound.set_type(ui::SelectionBound::CENTER);
1071   } else {
1072     // Whether text is LTR at the anchor handle.
1073     bool anchor_LTR = params.anchor_dir == blink::WebTextDirectionLeftToRight;
1074     // Whether text is LTR at the focus handle.
1075     bool focus_LTR = params.focus_dir == blink::WebTextDirectionLeftToRight;
1076
1077     if ((params.is_anchor_first && anchor_LTR) ||
1078         (!params.is_anchor_first && !anchor_LTR)) {
1079       anchor_bound.set_type(ui::SelectionBound::LEFT);
1080     } else {
1081       anchor_bound.set_type(ui::SelectionBound::RIGHT);
1082     }
1083     if ((params.is_anchor_first && focus_LTR) ||
1084         (!params.is_anchor_first && !focus_LTR)) {
1085       focus_bound.set_type(ui::SelectionBound::RIGHT);
1086     } else {
1087       focus_bound.set_type(ui::SelectionBound::LEFT);
1088     }
1089   }
1090
1091   if (anchor_bound == selection_anchor_ && focus_bound == selection_focus_)
1092     return;
1093
1094   selection_anchor_ = anchor_bound;
1095   selection_focus_ = focus_bound;
1096   if (GetInputMethod())
1097     GetInputMethod()->OnCaretBoundsChanged(this);
1098 }
1099
1100 void RenderWidgetHostViewAura::CopyFromCompositingSurface(
1101     const gfx::Rect& src_subrect,
1102     const gfx::Size& dst_size,
1103     ReadbackRequestCallback& callback,
1104     const SkColorType preferred_color_type) {
1105   delegated_frame_host_->CopyFromCompositingSurface(
1106       src_subrect, dst_size, callback, preferred_color_type);
1107 }
1108
1109 void RenderWidgetHostViewAura::CopyFromCompositingSurfaceToVideoFrame(
1110       const gfx::Rect& src_subrect,
1111       const scoped_refptr<media::VideoFrame>& target,
1112       const base::Callback<void(bool)>& callback) {
1113   delegated_frame_host_->CopyFromCompositingSurfaceToVideoFrame(
1114       src_subrect, target, callback);
1115 }
1116
1117 bool RenderWidgetHostViewAura::CanCopyToVideoFrame() const {
1118   return delegated_frame_host_->CanCopyToVideoFrame();
1119 }
1120
1121 bool RenderWidgetHostViewAura::CanSubscribeFrame() const {
1122   return true;
1123 }
1124
1125 void RenderWidgetHostViewAura::BeginFrameSubscription(
1126     scoped_ptr<RenderWidgetHostViewFrameSubscriber> subscriber) {
1127   delegated_frame_host_->BeginFrameSubscription(subscriber.Pass());
1128 }
1129
1130 void RenderWidgetHostViewAura::EndFrameSubscription() {
1131   delegated_frame_host_->EndFrameSubscription();
1132 }
1133
1134 #if defined(OS_WIN)
1135 bool RenderWidgetHostViewAura::UsesNativeWindowFrame() const {
1136   return (legacy_render_widget_host_HWND_ != NULL);
1137 }
1138
1139 void RenderWidgetHostViewAura::UpdateConstrainedWindowRects(
1140     const std::vector<gfx::Rect>& rects) {
1141   // Check this before setting constrained_rects_, so that next time they're set
1142   // and we have a root window we don't early return.
1143   if (!window_->GetHost())
1144     return;
1145
1146   if (rects == constrained_rects_)
1147     return;
1148
1149   constrained_rects_ = rects;
1150
1151   HWND parent = window_->GetHost()->GetAcceleratedWidget();
1152   CutoutRectsParams params;
1153   params.widget = this;
1154   params.cutout_rects = constrained_rects_;
1155   params.geometry = &plugin_window_moves_;
1156   LPARAM lparam = reinterpret_cast<LPARAM>(&params);
1157   EnumChildWindows(parent, SetCutoutRectsCallback, lparam);
1158 }
1159
1160 void RenderWidgetHostViewAura::UpdateMouseLockRegion() {
1161   // Clip the cursor if chrome is running on regular desktop.
1162   if (gfx::Screen::GetScreenFor(window_) == gfx::Screen::GetNativeScreen()) {
1163     RECT window_rect =
1164         gfx::win::DIPToScreenRect(window_->GetBoundsInScreen()).ToRECT();
1165     ::ClipCursor(&window_rect);
1166   }
1167 }
1168
1169 void RenderWidgetHostViewAura::OnLegacyWindowDestroyed() {
1170   legacy_render_widget_host_HWND_ = NULL;
1171   legacy_window_destroyed_ = true;
1172 }
1173 #endif
1174
1175 void RenderWidgetHostViewAura::OnSwapCompositorFrame(
1176     uint32 output_surface_id,
1177     scoped_ptr<cc::CompositorFrame> frame) {
1178   TRACE_EVENT0("content", "RenderWidgetHostViewAura::OnSwapCompositorFrame");
1179
1180   last_scroll_offset_ = frame->metadata.root_scroll_offset;
1181   if (!frame->delegated_frame_data)
1182     return;
1183   delegated_frame_host_->SwapDelegatedFrame(
1184       output_surface_id, frame->delegated_frame_data.Pass(),
1185       frame->metadata.device_scale_factor, frame->metadata.latency_info,
1186       &frame->metadata.satisfies_sequences);
1187   SelectionUpdated(frame->metadata.selection.is_editable,
1188                    frame->metadata.selection.is_empty_text_form_control,
1189                    ConvertSelectionBound(frame->metadata.selection.start),
1190                    ConvertSelectionBound(frame->metadata.selection.end));
1191 }
1192
1193 void RenderWidgetHostViewAura::ClearCompositorFrame() {
1194   delegated_frame_host_->ClearDelegatedFrame();
1195 }
1196
1197 void RenderWidgetHostViewAura::DidStopFlinging() {
1198   selection_controller_client_->OnScrollCompleted();
1199 }
1200
1201 #if defined(OS_WIN)
1202 void RenderWidgetHostViewAura::SetParentNativeViewAccessible(
1203     gfx::NativeViewAccessible accessible_parent) {
1204 }
1205
1206 gfx::NativeViewId RenderWidgetHostViewAura::GetParentForWindowlessPlugin()
1207     const {
1208   if (legacy_render_widget_host_HWND_) {
1209     return reinterpret_cast<gfx::NativeViewId>(
1210         legacy_render_widget_host_HWND_->hwnd());
1211   }
1212   return NULL;
1213 }
1214 #endif
1215
1216 bool RenderWidgetHostViewAura::HasAcceleratedSurface(
1217     const gfx::Size& desired_size) {
1218   // Aura doesn't use GetBackingStore for accelerated pages, so it doesn't
1219   // matter what is returned here as GetBackingStore is the only caller of this
1220   // method. TODO(jbates) implement this if other Aura code needs it.
1221   return false;
1222 }
1223
1224 void RenderWidgetHostViewAura::GetScreenInfo(WebScreenInfo* results) {
1225   GetScreenInfoForWindow(results, window_->GetRootWindow() ? window_ : NULL);
1226 }
1227
1228 bool RenderWidgetHostViewAura::GetScreenColorProfile(
1229     std::vector<char>* color_profile) {
1230   DCHECK(color_profile->empty());
1231   gfx::Rect bounds(window_->GetToplevelWindow()->GetBoundsInScreen());
1232   return gfx::GetDisplayColorProfile(bounds, color_profile);
1233 }
1234
1235 gfx::Rect RenderWidgetHostViewAura::GetBoundsInRootWindow() {
1236   aura::Window* top_level = window_->GetToplevelWindow();
1237   gfx::Rect bounds(top_level->GetBoundsInScreen());
1238
1239 #if defined(OS_WIN)
1240   // TODO(zturner,iyengar): This will break when we remove support for NPAPI and
1241   // remove the legacy hwnd, so a better fix will need to be decided when that
1242   // happens.
1243   if (UsesNativeWindowFrame()) {
1244     // aura::Window doesn't take into account non-client area of native windows
1245     // (e.g. HWNDs), so for that case ask Windows directly what the bounds are.
1246     aura::WindowTreeHost* host = top_level->GetHost();
1247     if (!host)
1248       return top_level->GetBoundsInScreen();
1249     RECT window_rect = {0};
1250     HWND hwnd = host->GetAcceleratedWidget();
1251     ::GetWindowRect(hwnd, &window_rect);
1252     bounds = gfx::Rect(window_rect);
1253
1254     // Maximized windows are outdented from the work area by the frame thickness
1255     // even though this "frame" is not painted.  This confuses code (and people)
1256     // that think of a maximized window as corresponding exactly to the work
1257     // area.  Correct for this by subtracting the frame thickness back off.
1258     if (::IsZoomed(hwnd)) {
1259       bounds.Inset(GetSystemMetrics(SM_CXSIZEFRAME),
1260                    GetSystemMetrics(SM_CYSIZEFRAME));
1261
1262       bounds.Inset(GetSystemMetrics(SM_CXPADDEDBORDER),
1263                    GetSystemMetrics(SM_CXPADDEDBORDER));
1264     }
1265   }
1266
1267   bounds = gfx::win::ScreenToDIPRect(bounds);
1268 #endif
1269
1270   return bounds;
1271 }
1272
1273 void RenderWidgetHostViewAura::WheelEventAck(
1274     const blink::WebMouseWheelEvent& event,
1275     InputEventAckState ack_result) {
1276   if (overscroll_controller_) {
1277     overscroll_controller_->ReceivedEventACK(
1278         event, (INPUT_EVENT_ACK_STATE_CONSUMED == ack_result));
1279   }
1280 }
1281
1282 void RenderWidgetHostViewAura::GestureEventAck(
1283     const blink::WebGestureEvent& event,
1284     InputEventAckState ack_result) {
1285   if (overscroll_controller_) {
1286     overscroll_controller_->ReceivedEventACK(
1287         event, (INPUT_EVENT_ACK_STATE_CONSUMED == ack_result));
1288   }
1289 }
1290
1291 void RenderWidgetHostViewAura::ProcessAckedTouchEvent(
1292     const TouchEventWithLatencyInfo& touch,
1293     InputEventAckState ack_result) {
1294   ScopedVector<ui::TouchEvent> events;
1295   aura::WindowTreeHost* host = window_->GetHost();
1296   // |host| is NULL during tests.
1297   if (!host)
1298     return;
1299
1300   ui::EventResult result = (ack_result == INPUT_EVENT_ACK_STATE_CONSUMED)
1301                                ? ui::ER_HANDLED
1302                                : ui::ER_UNHANDLED;
1303
1304   blink::WebTouchPoint::State required_state;
1305   switch (touch.event.type) {
1306     case blink::WebInputEvent::TouchStart:
1307       required_state = blink::WebTouchPoint::StatePressed;
1308       break;
1309     case blink::WebInputEvent::TouchEnd:
1310       required_state = blink::WebTouchPoint::StateReleased;
1311       break;
1312     case blink::WebInputEvent::TouchMove:
1313       required_state = blink::WebTouchPoint::StateMoved;
1314       break;
1315     case blink::WebInputEvent::TouchCancel:
1316       required_state = blink::WebTouchPoint::StateCancelled;
1317       break;
1318     default:
1319       required_state = blink::WebTouchPoint::StateUndefined;
1320       NOTREACHED();
1321       break;
1322   }
1323
1324   // Only send acks for one changed touch point.
1325   bool sent_ack = false;
1326   for (size_t i = 0; i < touch.event.touchesLength; ++i) {
1327     if (touch.event.touches[i].state == required_state) {
1328       DCHECK(!sent_ack);
1329       host->dispatcher()->ProcessedTouchEvent(touch.event.uniqueTouchEventId,
1330                                               window_, result);
1331       sent_ack = true;
1332     }
1333   }
1334 }
1335
1336 scoped_ptr<SyntheticGestureTarget>
1337 RenderWidgetHostViewAura::CreateSyntheticGestureTarget() {
1338   return scoped_ptr<SyntheticGestureTarget>(
1339       new SyntheticGestureTargetAura(host_));
1340 }
1341
1342 InputEventAckState RenderWidgetHostViewAura::FilterInputEvent(
1343     const blink::WebInputEvent& input_event) {
1344   bool consumed = false;
1345   if (input_event.type == WebInputEvent::GestureFlingStart) {
1346     const WebGestureEvent& gesture_event =
1347         static_cast<const WebGestureEvent&>(input_event);
1348     // Zero-velocity touchpad flings are an Aura-specific signal that the
1349     // touchpad scroll has ended, and should not be forwarded to the renderer.
1350     if (gesture_event.sourceDevice == blink::WebGestureDeviceTouchpad &&
1351         !gesture_event.data.flingStart.velocityX &&
1352         !gesture_event.data.flingStart.velocityY) {
1353       consumed = true;
1354     }
1355   }
1356
1357   if (overscroll_controller_)
1358     consumed |= overscroll_controller_->WillHandleEvent(input_event);
1359
1360   // Touch events should always propagate to the renderer.
1361   if (WebTouchEvent::isTouchEventType(input_event.type))
1362     return INPUT_EVENT_ACK_STATE_NOT_CONSUMED;
1363
1364   // Reporting consumed for a fling suggests that there's now an *active* fling
1365   // that requires both animation and a fling-end notification. However, the
1366   // OverscrollController consumes a fling to stop its propagation; it doesn't
1367   // actually tick a fling animation. Report no consumer to convey this.
1368   if (consumed && input_event.type == blink::WebInputEvent::GestureFlingStart)
1369     return INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS;
1370
1371   return consumed ? INPUT_EVENT_ACK_STATE_CONSUMED
1372                   : INPUT_EVENT_ACK_STATE_NOT_CONSUMED;
1373 }
1374
1375 BrowserAccessibilityManager*
1376 RenderWidgetHostViewAura::CreateBrowserAccessibilityManager(
1377     BrowserAccessibilityDelegate* delegate) {
1378   BrowserAccessibilityManager* manager = NULL;
1379 #if defined(OS_WIN)
1380   manager = new BrowserAccessibilityManagerWin(
1381       BrowserAccessibilityManagerWin::GetEmptyDocument(), delegate);
1382 #else
1383   manager = BrowserAccessibilityManager::Create(
1384       BrowserAccessibilityManager::GetEmptyDocument(), delegate);
1385 #endif
1386   return manager;
1387 }
1388
1389 gfx::AcceleratedWidget
1390 RenderWidgetHostViewAura::AccessibilityGetAcceleratedWidget() {
1391 #if defined(OS_WIN)
1392   if (legacy_render_widget_host_HWND_)
1393     return legacy_render_widget_host_HWND_->hwnd();
1394 #endif
1395   return gfx::kNullAcceleratedWidget;
1396 }
1397
1398 gfx::NativeViewAccessible
1399 RenderWidgetHostViewAura::AccessibilityGetNativeViewAccessible() {
1400 #if defined(OS_WIN)
1401   if (legacy_render_widget_host_HWND_)
1402     return legacy_render_widget_host_HWND_->window_accessible();
1403 #endif
1404   return NULL;
1405 }
1406
1407 gfx::GLSurfaceHandle RenderWidgetHostViewAura::GetCompositingSurface() {
1408   return ImageTransportFactory::GetInstance()->GetSharedSurfaceHandle();
1409 }
1410
1411 void RenderWidgetHostViewAura::ShowDisambiguationPopup(
1412     const gfx::Rect& rect_pixels,
1413     const SkBitmap& zoomed_bitmap) {
1414   RenderViewHostDelegate* delegate = NULL;
1415   if (host_->IsRenderView())
1416     delegate = RenderViewHost::From(host_)->GetDelegate();
1417   // Suppress the link disambiguation popup if the virtual keyboard is currently
1418   // requested, as it doesn't interact well with the keyboard.
1419   if (delegate && delegate->IsVirtualKeyboardRequested())
1420     return;
1421
1422   // |target_rect| is provided in pixels, not DIPs. So we convert it to DIPs
1423   // by scaling it by the inverse of the device scale factor.
1424   gfx::RectF screen_target_rect_f(rect_pixels);
1425   screen_target_rect_f.Scale(1.0f / current_device_scale_factor_);
1426   disambiguation_target_rect_ = gfx::ToEnclosingRect(screen_target_rect_f);
1427
1428   float scale = static_cast<float>(zoomed_bitmap.width()) /
1429                 static_cast<float>(rect_pixels.width());
1430   gfx::Size zoomed_size(gfx::ToCeiledSize(
1431       gfx::ScaleSize(disambiguation_target_rect_.size(), scale)));
1432
1433   // Save of a copy of the |last_scroll_offset_| for comparison when the copy
1434   // callback fires, to ensure that we haven't scrolled.
1435   disambiguation_scroll_offset_ = last_scroll_offset_;
1436
1437   CopyFromCompositingSurface(
1438       disambiguation_target_rect_,
1439       zoomed_size,
1440       base::Bind(&RenderWidgetHostViewAura::DisambiguationPopupRendered,
1441                  weak_ptr_factory_.GetWeakPtr()),
1442                  kN32_SkColorType);
1443 }
1444
1445 void RenderWidgetHostViewAura::DisambiguationPopupRendered(
1446     const SkBitmap& result,
1447     ReadbackResponse response) {
1448   if ((response != READBACK_SUCCESS) ||
1449       disambiguation_scroll_offset_ != last_scroll_offset_)
1450     return;
1451
1452   // Use RenderViewHostDelegate to get to the WebContentsViewAura, which will
1453   // actually show the disambiguation popup.
1454   RenderViewHostDelegate* delegate = NULL;
1455   if (host_->IsRenderView())
1456     delegate = RenderViewHost::From(host_)->GetDelegate();
1457   RenderViewHostDelegateView* delegate_view = NULL;
1458   if (delegate) {
1459     delegate_view = delegate->GetDelegateView();
1460     if (delegate->IsVirtualKeyboardRequested())
1461       return;
1462   }
1463   if (delegate_view) {
1464     delegate_view->ShowDisambiguationPopup(
1465         disambiguation_target_rect_,
1466         result,
1467         base::Bind(&RenderWidgetHostViewAura::ProcessDisambiguationGesture,
1468                    weak_ptr_factory_.GetWeakPtr()),
1469         base::Bind(&RenderWidgetHostViewAura::ProcessDisambiguationMouse,
1470                    weak_ptr_factory_.GetWeakPtr()));
1471   }
1472 }
1473
1474 void RenderWidgetHostViewAura::HideDisambiguationPopup() {
1475   RenderViewHostDelegate* delegate = NULL;
1476   if (host_->IsRenderView())
1477     delegate = RenderViewHost::From(host_)->GetDelegate();
1478   RenderViewHostDelegateView* delegate_view = NULL;
1479   if (delegate)
1480     delegate_view = delegate->GetDelegateView();
1481   if (delegate_view)
1482     delegate_view->HideDisambiguationPopup();
1483 }
1484
1485 void RenderWidgetHostViewAura::ProcessDisambiguationGesture(
1486     ui::GestureEvent* event) {
1487   blink::WebGestureEvent web_gesture = content::MakeWebGestureEvent(*event);
1488   // If we fail to make a WebGestureEvent that is a Tap from the provided event,
1489   // don't forward it to Blink.
1490   if (web_gesture.type < blink::WebInputEvent::Type::GestureTap ||
1491       web_gesture.type > blink::WebInputEvent::Type::GestureTapCancel)
1492     return;
1493
1494   host_->ForwardGestureEvent(web_gesture);
1495 }
1496
1497 void RenderWidgetHostViewAura::ProcessDisambiguationMouse(
1498     ui::MouseEvent* event) {
1499   blink::WebMouseEvent web_mouse = content::MakeWebMouseEvent(*event);
1500   host_->ForwardMouseEvent(web_mouse);
1501 }
1502
1503 bool RenderWidgetHostViewAura::LockMouse() {
1504   aura::Window* root_window = window_->GetRootWindow();
1505   if (!root_window)
1506     return false;
1507
1508   if (mouse_locked_)
1509     return true;
1510
1511   mouse_locked_ = true;
1512 #if !defined(OS_WIN)
1513   window_->SetCapture();
1514 #else
1515   UpdateMouseLockRegion();
1516 #endif
1517   aura::client::CursorClient* cursor_client =
1518       aura::client::GetCursorClient(root_window);
1519   if (cursor_client) {
1520     cursor_client->HideCursor();
1521     cursor_client->LockCursor();
1522   }
1523
1524   if (ShouldMoveToCenter()) {
1525     synthetic_move_sent_ = true;
1526     window_->MoveCursorTo(gfx::Rect(window_->bounds().size()).CenterPoint());
1527   }
1528   tooltip_disabler_.reset(new aura::client::ScopedTooltipDisabler(root_window));
1529   return true;
1530 }
1531
1532 void RenderWidgetHostViewAura::UnlockMouse() {
1533   tooltip_disabler_.reset();
1534
1535   aura::Window* root_window = window_->GetRootWindow();
1536   if (!mouse_locked_ || !root_window)
1537     return;
1538
1539   mouse_locked_ = false;
1540
1541   if (window_->HasCapture())
1542     window_->ReleaseCapture();
1543
1544 #if defined(OS_WIN)
1545   ::ClipCursor(NULL);
1546 #endif
1547
1548   window_->MoveCursorTo(unlocked_mouse_position_);
1549   aura::client::CursorClient* cursor_client =
1550       aura::client::GetCursorClient(root_window);
1551   if (cursor_client) {
1552     cursor_client->UnlockCursor();
1553     cursor_client->ShowCursor();
1554   }
1555
1556   host_->LostMouseLock();
1557 }
1558
1559 ////////////////////////////////////////////////////////////////////////////////
1560 // RenderWidgetHostViewAura, ui::TextInputClient implementation:
1561 void RenderWidgetHostViewAura::SetCompositionText(
1562     const ui::CompositionText& composition) {
1563   if (!host_)
1564     return;
1565
1566   // TODO(suzhe): convert both renderer_host and renderer to use
1567   // ui::CompositionText.
1568   std::vector<blink::WebCompositionUnderline> underlines;
1569   underlines.reserve(composition.underlines.size());
1570   for (std::vector<ui::CompositionUnderline>::const_iterator it =
1571            composition.underlines.begin();
1572        it != composition.underlines.end(); ++it) {
1573     underlines.push_back(
1574         blink::WebCompositionUnderline(static_cast<unsigned>(it->start_offset),
1575                                        static_cast<unsigned>(it->end_offset),
1576                                        it->color,
1577                                        it->thick,
1578                                        it->background_color));
1579   }
1580
1581   // TODO(suzhe): due to a bug of webkit, we can't use selection range with
1582   // composition string. See: https://bugs.webkit.org/show_bug.cgi?id=37788
1583   host_->ImeSetComposition(composition.text, underlines,
1584                            composition.selection.end(),
1585                            composition.selection.end());
1586
1587   has_composition_text_ = !composition.text.empty();
1588 }
1589
1590 void RenderWidgetHostViewAura::ConfirmCompositionText() {
1591   if (host_ && has_composition_text_) {
1592     host_->ImeConfirmComposition(base::string16(), gfx::Range::InvalidRange(),
1593                                  false);
1594   }
1595   has_composition_text_ = false;
1596 }
1597
1598 void RenderWidgetHostViewAura::ClearCompositionText() {
1599   if (host_ && has_composition_text_)
1600     host_->ImeCancelComposition();
1601   has_composition_text_ = false;
1602 }
1603
1604 void RenderWidgetHostViewAura::InsertText(const base::string16& text) {
1605   DCHECK(text_input_type_ != ui::TEXT_INPUT_TYPE_NONE);
1606   if (host_)
1607     host_->ImeConfirmComposition(text, gfx::Range::InvalidRange(), false);
1608   has_composition_text_ = false;
1609 }
1610
1611 void RenderWidgetHostViewAura::InsertChar(base::char16 ch, int flags) {
1612   if (popup_child_host_view_ && popup_child_host_view_->NeedsInputGrab()) {
1613     popup_child_host_view_->InsertChar(ch, flags);
1614     return;
1615   }
1616
1617   // Ignore character messages for VKEY_RETURN sent on CTRL+M. crbug.com/315547
1618   if (host_ && (accept_return_character_ || ch != ui::VKEY_RETURN)) {
1619     double now = ui::EventTimeForNow().InSecondsF();
1620     // Send a blink::WebInputEvent::Char event to |host_|.
1621     NativeWebKeyboardEvent webkit_event(ui::ET_KEY_PRESSED,
1622                                         true /* is_char */,
1623                                         ch,
1624                                         flags,
1625                                         now);
1626     ForwardKeyboardEvent(webkit_event);
1627   }
1628 }
1629
1630 ui::TextInputType RenderWidgetHostViewAura::GetTextInputType() const {
1631   return text_input_type_;
1632 }
1633
1634 ui::TextInputMode RenderWidgetHostViewAura::GetTextInputMode() const {
1635   return text_input_mode_;
1636 }
1637
1638 int RenderWidgetHostViewAura::GetTextInputFlags() const {
1639   return text_input_flags_;
1640 }
1641
1642 bool RenderWidgetHostViewAura::CanComposeInline() const {
1643   return can_compose_inline_;
1644 }
1645
1646 gfx::Rect RenderWidgetHostViewAura::ConvertRectToScreen(
1647     const gfx::Rect& rect) const {
1648   gfx::Point origin = rect.origin();
1649   gfx::Point end = gfx::Point(rect.right(), rect.bottom());
1650
1651   aura::Window* root_window = window_->GetRootWindow();
1652   if (!root_window)
1653     return rect;
1654   aura::client::ScreenPositionClient* screen_position_client =
1655       aura::client::GetScreenPositionClient(root_window);
1656   if (!screen_position_client)
1657     return rect;
1658   screen_position_client->ConvertPointToScreen(window_, &origin);
1659   screen_position_client->ConvertPointToScreen(window_, &end);
1660   return gfx::Rect(origin.x(),
1661                    origin.y(),
1662                    end.x() - origin.x(),
1663                    end.y() - origin.y());
1664 }
1665
1666 gfx::Rect RenderWidgetHostViewAura::ConvertRectFromScreen(
1667     const gfx::Rect& rect) const {
1668   gfx::Point origin = rect.origin();
1669   gfx::Point end = gfx::Point(rect.right(), rect.bottom());
1670
1671   aura::Window* root_window = window_->GetRootWindow();
1672   if (root_window) {
1673     aura::client::ScreenPositionClient* screen_position_client =
1674         aura::client::GetScreenPositionClient(root_window);
1675     screen_position_client->ConvertPointFromScreen(window_, &origin);
1676     screen_position_client->ConvertPointFromScreen(window_, &end);
1677     return gfx::Rect(origin.x(),
1678                      origin.y(),
1679                      end.x() - origin.x(),
1680                      end.y() - origin.y());
1681   }
1682
1683   return rect;
1684 }
1685
1686 gfx::Rect RenderWidgetHostViewAura::GetCaretBounds() const {
1687   return ConvertRectToScreen(
1688       ui::RectBetweenSelectionBounds(selection_anchor_, selection_focus_));
1689 }
1690
1691 bool RenderWidgetHostViewAura::GetCompositionCharacterBounds(
1692     uint32 index,
1693     gfx::Rect* rect) const {
1694   DCHECK(rect);
1695   if (index >= composition_character_bounds_.size())
1696     return false;
1697   *rect = ConvertRectToScreen(composition_character_bounds_[index]);
1698   return true;
1699 }
1700
1701 bool RenderWidgetHostViewAura::HasCompositionText() const {
1702   return has_composition_text_;
1703 }
1704
1705 bool RenderWidgetHostViewAura::GetTextRange(gfx::Range* range) const {
1706   range->set_start(selection_text_offset_);
1707   range->set_end(selection_text_offset_ + selection_text_.length());
1708   return true;
1709 }
1710
1711 bool RenderWidgetHostViewAura::GetCompositionTextRange(
1712     gfx::Range* range) const {
1713   // TODO(suzhe): implement this method when fixing http://crbug.com/55130.
1714   NOTIMPLEMENTED();
1715   return false;
1716 }
1717
1718 bool RenderWidgetHostViewAura::GetSelectionRange(gfx::Range* range) const {
1719   range->set_start(selection_range_.start());
1720   range->set_end(selection_range_.end());
1721   return true;
1722 }
1723
1724 bool RenderWidgetHostViewAura::SetSelectionRange(const gfx::Range& range) {
1725   // TODO(suzhe): implement this method when fixing http://crbug.com/55130.
1726   NOTIMPLEMENTED();
1727   return false;
1728 }
1729
1730 bool RenderWidgetHostViewAura::DeleteRange(const gfx::Range& range) {
1731   // TODO(suzhe): implement this method when fixing http://crbug.com/55130.
1732   NOTIMPLEMENTED();
1733   return false;
1734 }
1735
1736 bool RenderWidgetHostViewAura::GetTextFromRange(
1737     const gfx::Range& range,
1738     base::string16* text) const {
1739   gfx::Range selection_text_range(selection_text_offset_,
1740       selection_text_offset_ + selection_text_.length());
1741
1742   if (!selection_text_range.Contains(range)) {
1743     text->clear();
1744     return false;
1745   }
1746   if (selection_text_range.EqualsIgnoringDirection(range)) {
1747     // Avoid calling substr whose performance is low.
1748     *text = selection_text_;
1749   } else {
1750     *text = selection_text_.substr(
1751         range.GetMin() - selection_text_offset_,
1752         range.length());
1753   }
1754   return true;
1755 }
1756
1757 void RenderWidgetHostViewAura::OnInputMethodChanged() {
1758   if (!host_)
1759     return;
1760
1761   // TODO(suzhe): implement the newly added “locale” property of HTML DOM
1762   // TextEvent.
1763 }
1764
1765 bool RenderWidgetHostViewAura::ChangeTextDirectionAndLayoutAlignment(
1766       base::i18n::TextDirection direction) {
1767   if (!host_)
1768     return false;
1769   host_->UpdateTextDirection(
1770       direction == base::i18n::RIGHT_TO_LEFT ?
1771       blink::WebTextDirectionRightToLeft :
1772       blink::WebTextDirectionLeftToRight);
1773   host_->NotifyTextDirection();
1774   return true;
1775 }
1776
1777 void RenderWidgetHostViewAura::ExtendSelectionAndDelete(
1778     size_t before, size_t after) {
1779   RenderFrameHostImpl* rfh = GetFocusedFrame();
1780   if (rfh)
1781     rfh->ExtendSelectionAndDelete(before, after);
1782 }
1783
1784 void RenderWidgetHostViewAura::EnsureCaretInRect(const gfx::Rect& rect) {
1785   gfx::Rect intersected_rect(
1786       gfx::IntersectRects(rect, window_->GetBoundsInScreen()));
1787
1788   if (intersected_rect.IsEmpty())
1789     return;
1790
1791   host_->ScrollFocusedEditableNodeIntoRect(
1792       ConvertRectFromScreen(intersected_rect));
1793 }
1794
1795 bool RenderWidgetHostViewAura::IsEditCommandEnabled(int command_id) {
1796   return false;
1797 }
1798
1799 void RenderWidgetHostViewAura::SetEditCommandForNextKeyEvent(int command_id) {
1800 }
1801
1802 ////////////////////////////////////////////////////////////////////////////////
1803 // RenderWidgetHostViewAura, gfx::DisplayObserver implementation:
1804
1805 void RenderWidgetHostViewAura::OnDisplayAdded(
1806     const gfx::Display& new_display) {
1807 }
1808
1809 void RenderWidgetHostViewAura::OnDisplayRemoved(
1810     const gfx::Display& old_display) {
1811 }
1812
1813 void RenderWidgetHostViewAura::OnDisplayMetricsChanged(
1814     const gfx::Display& display, uint32_t metrics) {
1815   // The screen info should be updated regardless of the metric change.
1816   gfx::Screen* screen = gfx::Screen::GetScreenFor(window_);
1817   if (display.id() == screen->GetDisplayNearestWindow(window_).id()) {
1818     UpdateScreenInfo(window_);
1819     current_cursor_.SetDisplayInfo(display);
1820     UpdateCursorIfOverSelf();
1821   }
1822 }
1823
1824 ////////////////////////////////////////////////////////////////////////////////
1825 // RenderWidgetHostViewAura, aura::WindowDelegate implementation:
1826
1827 gfx::Size RenderWidgetHostViewAura::GetMinimumSize() const {
1828   return gfx::Size();
1829 }
1830
1831 gfx::Size RenderWidgetHostViewAura::GetMaximumSize() const {
1832   return gfx::Size();
1833 }
1834
1835 void RenderWidgetHostViewAura::OnBoundsChanged(const gfx::Rect& old_bounds,
1836                                                const gfx::Rect& new_bounds) {
1837   base::AutoReset<bool> in_bounds_changed(&in_bounds_changed_, true);
1838   // We care about this whenever RenderWidgetHostViewAura is not owned by a
1839   // WebContentsViewAura since changes to the Window's bounds need to be
1840   // messaged to the renderer.  WebContentsViewAura invokes SetSize() or
1841   // SetBounds() itself.  No matter how we got here, any redundant calls are
1842   // harmless.
1843   SetSize(new_bounds.size());
1844
1845   if (GetInputMethod())
1846     GetInputMethod()->OnCaretBoundsChanged(this);
1847 }
1848
1849 gfx::NativeCursor RenderWidgetHostViewAura::GetCursor(const gfx::Point& point) {
1850   if (mouse_locked_)
1851     return ui::kCursorNone;
1852   return current_cursor_.GetNativeCursor();
1853 }
1854
1855 int RenderWidgetHostViewAura::GetNonClientComponent(
1856     const gfx::Point& point) const {
1857   return HTCLIENT;
1858 }
1859
1860 bool RenderWidgetHostViewAura::ShouldDescendIntoChildForEventHandling(
1861     aura::Window* child,
1862     const gfx::Point& location) {
1863   return true;
1864 }
1865
1866 bool RenderWidgetHostViewAura::CanFocus() {
1867   return popup_type_ == blink::WebPopupTypeNone;
1868 }
1869
1870 void RenderWidgetHostViewAura::OnCaptureLost() {
1871   host_->LostCapture();
1872 }
1873
1874 void RenderWidgetHostViewAura::OnPaint(const ui::PaintContext& context) {
1875   NOTREACHED();
1876 }
1877
1878 void RenderWidgetHostViewAura::OnDeviceScaleFactorChanged(
1879     float device_scale_factor) {
1880   if (!host_ || !window_->GetRootWindow())
1881     return;
1882
1883   UpdateScreenInfo(window_);
1884
1885   const gfx::Display display = gfx::Screen::GetScreenFor(window_)->
1886       GetDisplayNearestWindow(window_);
1887   DCHECK_EQ(device_scale_factor, display.device_scale_factor());
1888   current_cursor_.SetDisplayInfo(display);
1889   SnapToPhysicalPixelBoundary();
1890 }
1891
1892 void RenderWidgetHostViewAura::OnWindowDestroying(aura::Window* window) {
1893 #if defined(OS_WIN)
1894   HWND parent = NULL;
1895   // If the tab was hidden and it's closed, host_->is_hidden would have been
1896   // reset to false in RenderWidgetHostImpl::RendererExited.
1897   if (!window_->GetRootWindow() || host_->is_hidden()) {
1898     parent = ui::GetHiddenWindow();
1899   } else {
1900     parent = window_->GetHost()->GetAcceleratedWidget();
1901   }
1902   LPARAM lparam = reinterpret_cast<LPARAM>(this);
1903   EnumChildWindows(parent, WindowDestroyingCallback, lparam);
1904
1905   // The LegacyRenderWidgetHostHWND instance is destroyed when its window is
1906   // destroyed. Normally we control when that happens via the Destroy call
1907   // in the dtor. However there may be cases where the window is destroyed
1908   // by Windows, i.e. the parent window is destroyed before the
1909   // RenderWidgetHostViewAura instance goes away etc. To avoid that we
1910   // destroy the LegacyRenderWidgetHostHWND instance here.
1911   if (legacy_render_widget_host_HWND_) {
1912     legacy_render_widget_host_HWND_->set_host(NULL);
1913     legacy_render_widget_host_HWND_->Destroy();
1914     // The Destroy call above will delete the LegacyRenderWidgetHostHWND
1915     // instance.
1916     legacy_render_widget_host_HWND_ = NULL;
1917   }
1918 #endif
1919
1920   // Make sure that the input method no longer references to this object before
1921   // this object is removed from the root window (i.e. this object loses access
1922   // to the input method).
1923   ui::InputMethod* input_method = GetInputMethod();
1924   if (input_method)
1925     input_method->DetachTextInputClient(this);
1926
1927   if (overscroll_controller_)
1928     overscroll_controller_->Reset();
1929 }
1930
1931 void RenderWidgetHostViewAura::OnWindowDestroyed(aura::Window* window) {
1932   // Ask the RWH to drop reference to us.
1933   if (!is_guest_view_hack_)
1934     host_->ViewDestroyed();
1935
1936   delete this;
1937 }
1938
1939 void RenderWidgetHostViewAura::OnWindowTargetVisibilityChanged(bool visible) {
1940 }
1941
1942 bool RenderWidgetHostViewAura::HasHitTestMask() const {
1943   return false;
1944 }
1945
1946 void RenderWidgetHostViewAura::GetHitTestMask(gfx::Path* mask) const {
1947 }
1948
1949 ////////////////////////////////////////////////////////////////////////////////
1950 // RenderWidgetHostViewAura, ui::EventHandler implementation:
1951
1952 void RenderWidgetHostViewAura::OnKeyEvent(ui::KeyEvent* event) {
1953   TRACE_EVENT0("input", "RenderWidgetHostViewAura::OnKeyEvent");
1954
1955   if (popup_child_host_view_ && popup_child_host_view_->NeedsInputGrab()) {
1956     popup_child_host_view_->OnKeyEvent(event);
1957     if (event->handled())
1958       return;
1959   }
1960
1961   // We need to handle the Escape key for Pepper Flash.
1962   if (is_fullscreen_ && event->key_code() == ui::VKEY_ESCAPE) {
1963     // Focus the window we were created from.
1964     if (host_tracker_.get() && !host_tracker_->windows().empty()) {
1965       aura::Window* host = *(host_tracker_->windows().begin());
1966       aura::client::FocusClient* client = aura::client::GetFocusClient(host);
1967       if (client) {
1968         // Calling host->Focus() may delete |this|. We create a local observer
1969         // for that. In that case we exit without further access to any members.
1970         aura::WindowTracker tracker;
1971         aura::Window* window = window_;
1972         tracker.Add(window);
1973         host->Focus();
1974         if (!tracker.Contains(window)) {
1975           event->SetHandled();
1976           return;
1977         }
1978       }
1979     }
1980     Shutdown();
1981   } else {
1982     if (event->key_code() == ui::VKEY_RETURN) {
1983       // Do not forward return key release events if no press event was handled.
1984       if (event->type() == ui::ET_KEY_RELEASED && !accept_return_character_)
1985         return;
1986       // Accept return key character events between press and release events.
1987       accept_return_character_ = event->type() == ui::ET_KEY_PRESSED;
1988     }
1989
1990     // We don't have to communicate with an input method here.
1991     NativeWebKeyboardEvent webkit_event(*event);
1992     ForwardKeyboardEvent(webkit_event);
1993   }
1994   event->SetHandled();
1995 }
1996
1997 void RenderWidgetHostViewAura::OnMouseEvent(ui::MouseEvent* event) {
1998   TRACE_EVENT0("input", "RenderWidgetHostViewAura::OnMouseEvent");
1999
2000   if (mouse_locked_) {
2001     aura::client::CursorClient* cursor_client =
2002         aura::client::GetCursorClient(window_->GetRootWindow());
2003     DCHECK(!cursor_client || !cursor_client->IsCursorVisible());
2004
2005     if (event->type() == ui::ET_MOUSEWHEEL) {
2006       blink::WebMouseWheelEvent mouse_wheel_event =
2007           MakeWebMouseWheelEvent(static_cast<ui::MouseWheelEvent&>(*event));
2008       if (mouse_wheel_event.deltaX != 0 || mouse_wheel_event.deltaY != 0)
2009         host_->ForwardWheelEvent(mouse_wheel_event);
2010       return;
2011     }
2012
2013     gfx::Point center(gfx::Rect(window_->bounds().size()).CenterPoint());
2014
2015     // If we receive non client mouse messages while we are in the locked state
2016     // it probably means that the mouse left the borders of our window and
2017     // needs to be moved back to the center.
2018     if (event->flags() & ui::EF_IS_NON_CLIENT) {
2019       synthetic_move_sent_ = true;
2020       window_->MoveCursorTo(center);
2021       return;
2022     }
2023
2024     blink::WebMouseEvent mouse_event = MakeWebMouseEvent(*event);
2025
2026     bool is_move_to_center_event = (event->type() == ui::ET_MOUSE_MOVED ||
2027         event->type() == ui::ET_MOUSE_DRAGGED) &&
2028         mouse_event.x == center.x() && mouse_event.y == center.y();
2029
2030     // For fractional scale factors, the conversion from pixels to dip and
2031     // vice versa could result in off by 1 or 2 errors which hurts us because
2032     // we want to avoid sending the artificial move to center event to the
2033     // renderer. Sending the move to center to the renderer cause the cursor
2034     // to bounce around the center of the screen leading to the lock operation
2035     // not working correctly.
2036     // Workaround is to treat a mouse move or drag event off by at most 2 px
2037     // from the center as a move to center event.
2038     if (synthetic_move_sent_ &&
2039         IsFractionalScaleFactor(current_device_scale_factor_)) {
2040       if (event->type() == ui::ET_MOUSE_MOVED ||
2041           event->type() == ui::ET_MOUSE_DRAGGED) {
2042         if ((abs(mouse_event.x - center.x()) <= 2) &&
2043             (abs(mouse_event.y - center.y()) <= 2)) {
2044           is_move_to_center_event = true;
2045         }
2046       }
2047     }
2048
2049     ModifyEventMovementAndCoords(&mouse_event);
2050
2051     bool should_not_forward = is_move_to_center_event && synthetic_move_sent_;
2052     if (should_not_forward) {
2053       synthetic_move_sent_ = false;
2054     } else {
2055       // Check if the mouse has reached the border and needs to be centered.
2056       if (ShouldMoveToCenter()) {
2057         synthetic_move_sent_ = true;
2058         window_->MoveCursorTo(center);
2059       }
2060       bool is_selection_popup = popup_child_host_view_ &&
2061           popup_child_host_view_->NeedsInputGrab();
2062       // Forward event to renderer.
2063       if (CanRendererHandleEvent(event, mouse_locked_, is_selection_popup) &&
2064           !(event->flags() & ui::EF_FROM_TOUCH)) {
2065         host_->ForwardMouseEvent(mouse_event);
2066         // Ensure that we get keyboard focus on mouse down as a plugin window
2067         // may have grabbed keyboard focus.
2068         if (event->type() == ui::ET_MOUSE_PRESSED)
2069           SetKeyboardFocus();
2070       }
2071     }
2072     return;
2073   }
2074
2075   // As the overscroll is handled during scroll events from the trackpad, the
2076   // RWHVA window is transformed by the overscroll controller. This transform
2077   // triggers a synthetic mouse-move event to be generated (by the aura
2078   // RootWindow). But this event interferes with the overscroll gesture. So,
2079   // ignore such synthetic mouse-move events if an overscroll gesture is in
2080   // progress.
2081   if (overscroll_controller_ &&
2082       overscroll_controller_->overscroll_mode() != OVERSCROLL_NONE &&
2083       event->flags() & ui::EF_IS_SYNTHESIZED &&
2084       (event->type() == ui::ET_MOUSE_ENTERED ||
2085        event->type() == ui::ET_MOUSE_EXITED ||
2086        event->type() == ui::ET_MOUSE_MOVED)) {
2087     event->StopPropagation();
2088     return;
2089   }
2090
2091   if (event->type() == ui::ET_MOUSEWHEEL) {
2092 #if defined(OS_WIN)
2093     // We get mouse wheel/scroll messages even if we are not in the foreground.
2094     // So here we check if we have any owned popup windows in the foreground and
2095     // dismiss them.
2096     aura::WindowTreeHost* host = window_->GetHost();
2097     if (host) {
2098       HWND parent = host->GetAcceleratedWidget();
2099       HWND toplevel_hwnd = ::GetAncestor(parent, GA_ROOT);
2100       EnumThreadWindows(GetCurrentThreadId(),
2101                         DismissOwnedPopups,
2102                         reinterpret_cast<LPARAM>(toplevel_hwnd));
2103     }
2104 #endif
2105     // The Disambiguation popup does not parent itself from this window, so we
2106     // manually dismiss it.
2107     HideDisambiguationPopup();
2108
2109     blink::WebMouseWheelEvent mouse_wheel_event =
2110         MakeWebMouseWheelEvent(static_cast<ui::MouseWheelEvent&>(*event));
2111     if (mouse_wheel_event.deltaX != 0 || mouse_wheel_event.deltaY != 0) {
2112       if (host_->delegate() && host_->delegate()->GetInputEventRouter()) {
2113         host_->delegate()->GetInputEventRouter()->RouteMouseWheelEvent(
2114             this, &mouse_wheel_event);
2115       } else {
2116         ProcessMouseWheelEvent(mouse_wheel_event);
2117       }
2118     }
2119   } else {
2120     bool is_selection_popup =
2121         popup_child_host_view_ && popup_child_host_view_->NeedsInputGrab();
2122     if (CanRendererHandleEvent(event, mouse_locked_, is_selection_popup) &&
2123         !(event->flags() & ui::EF_FROM_TOUCH)) {
2124       // Confirm existing composition text on mouse press, to make sure
2125       // the input caret won't be moved with an ongoing composition text.
2126       if (event->type() == ui::ET_MOUSE_PRESSED)
2127         FinishImeCompositionSession();
2128
2129       blink::WebMouseEvent mouse_event = MakeWebMouseEvent(*event);
2130       ModifyEventMovementAndCoords(&mouse_event);
2131       if (host_->delegate() && host_->delegate()->GetInputEventRouter()) {
2132         host_->delegate()->GetInputEventRouter()->RouteMouseEvent(this,
2133                                                                   &mouse_event);
2134       } else {
2135         ProcessMouseEvent(mouse_event);
2136       }
2137
2138       // Ensure that we get keyboard focus on mouse down as a plugin window may
2139       // have grabbed keyboard focus.
2140       if (event->type() == ui::ET_MOUSE_PRESSED)
2141         SetKeyboardFocus();
2142     }
2143   }
2144
2145   switch (event->type()) {
2146     case ui::ET_MOUSE_PRESSED:
2147       window_->SetCapture();
2148       break;
2149     case ui::ET_MOUSE_RELEASED:
2150       if (!NeedsMouseCapture())
2151         window_->ReleaseCapture();
2152       break;
2153     default:
2154       break;
2155   }
2156
2157   // Needed to propagate mouse event to |window_->parent()->delegate()|, but
2158   // note that it might be something other than a WebContentsViewAura instance.
2159   // TODO(pkotwicz): Find a better way of doing this.
2160   // In fullscreen mode which is typically used by flash, don't forward
2161   // the mouse events to the parent. The renderer and the plugin process
2162   // handle these events.
2163   if (!is_fullscreen_ && window_->parent() && window_->parent()->delegate() &&
2164       !(event->flags() & ui::EF_FROM_TOUCH)) {
2165     event->ConvertLocationToTarget(window_, window_->parent());
2166     window_->parent()->delegate()->OnMouseEvent(event);
2167   }
2168
2169   if (!IsXButtonUpEvent(event))
2170     event->SetHandled();
2171 }
2172
2173 uint32_t RenderWidgetHostViewAura::SurfaceIdNamespaceAtPoint(
2174     const gfx::Point& point,
2175     gfx::Point* transformed_point) {
2176   cc::SurfaceId id =
2177       delegated_frame_host_->SurfaceIdAtPoint(point, transformed_point);
2178   // It is possible that the renderer has not yet produced a surface, in which
2179   // case we return our current namespace.
2180   if (id.is_null())
2181     return GetSurfaceIdNamespace();
2182   return cc::SurfaceIdAllocator::NamespaceForId(id);
2183 }
2184
2185 void RenderWidgetHostViewAura::ProcessMouseEvent(
2186     const blink::WebMouseEvent& event) {
2187   host_->ForwardMouseEvent(event);
2188 }
2189
2190 void RenderWidgetHostViewAura::ProcessMouseWheelEvent(
2191     const blink::WebMouseWheelEvent& event) {
2192   host_->ForwardWheelEvent(event);
2193 }
2194
2195 void RenderWidgetHostViewAura::OnScrollEvent(ui::ScrollEvent* event) {
2196   TRACE_EVENT0("input", "RenderWidgetHostViewAura::OnScrollEvent");
2197
2198   if (event->type() == ui::ET_SCROLL) {
2199 #if !defined(OS_WIN)
2200     // TODO(ananta)
2201     // Investigate if this is true for Windows 8 Metro ASH as well.
2202     if (event->finger_count() != 2)
2203       return;
2204 #endif
2205     blink::WebGestureEvent gesture_event =
2206         MakeWebGestureEventFlingCancel();
2207     host_->ForwardGestureEvent(gesture_event);
2208     blink::WebMouseWheelEvent mouse_wheel_event =
2209         MakeWebMouseWheelEvent(*event);
2210     host_->ForwardWheelEvent(mouse_wheel_event);
2211     RecordAction(base::UserMetricsAction("TrackpadScroll"));
2212   } else if (event->type() == ui::ET_SCROLL_FLING_START ||
2213              event->type() == ui::ET_SCROLL_FLING_CANCEL) {
2214     blink::WebGestureEvent gesture_event = MakeWebGestureEvent(*event);
2215     host_->ForwardGestureEvent(gesture_event);
2216     if (event->type() == ui::ET_SCROLL_FLING_START)
2217       RecordAction(base::UserMetricsAction("TrackpadScrollFling"));
2218   }
2219
2220   event->SetHandled();
2221 }
2222
2223 void RenderWidgetHostViewAura::OnTouchEvent(ui::TouchEvent* event) {
2224   TRACE_EVENT0("input", "RenderWidgetHostViewAura::OnTouchEvent");
2225
2226   bool had_no_pointer = !pointer_state_.GetPointerCount();
2227
2228   // Update the touch event first.
2229   if (!pointer_state_.OnTouch(*event)) {
2230     event->StopPropagation();
2231     return;
2232   }
2233
2234   blink::WebTouchEvent touch_event;
2235   bool handled = selection_controller_->WillHandleTouchEvent(pointer_state_);
2236   if (handled) {
2237     event->SetHandled();
2238   } else {
2239     touch_event = ui::CreateWebTouchEventFromMotionEvent(
2240         pointer_state_, event->may_cause_scrolling());
2241   }
2242   pointer_state_.CleanupRemovedTouchPoints(*event);
2243
2244   if (handled)
2245     return;
2246
2247   if (had_no_pointer)
2248     selection_controller_client_->OnTouchDown();
2249   if (!pointer_state_.GetPointerCount())
2250     selection_controller_client_->OnTouchUp();
2251
2252   // It is important to always mark events as being handled asynchronously when
2253   // they are forwarded. This ensures that the current event does not get
2254   // processed by the gesture recognizer before events currently awaiting
2255   // dispatch in the touch queue.
2256   event->DisableSynchronousHandling();
2257
2258   // Set unchanged touch point to StateStationary for touchmove and
2259   // touchcancel to make sure only send one ack per WebTouchEvent.
2260   MarkUnchangedTouchPointsAsStationary(&touch_event, event->touch_id());
2261   host_->ForwardTouchEventWithLatencyInfo(touch_event, *event->latency());
2262 }
2263
2264 void RenderWidgetHostViewAura::OnGestureEvent(ui::GestureEvent* event) {
2265   TRACE_EVENT0("input", "RenderWidgetHostViewAura::OnGestureEvent");
2266
2267   if ((event->type() == ui::ET_GESTURE_PINCH_BEGIN ||
2268       event->type() == ui::ET_GESTURE_PINCH_UPDATE ||
2269       event->type() == ui::ET_GESTURE_PINCH_END) && !pinch_zoom_enabled_) {
2270     event->SetHandled();
2271     return;
2272   }
2273
2274   HandleGestureForTouchSelection(event);
2275   if (event->handled())
2276     return;
2277
2278   // Confirm existing composition text on TAP gesture, to make sure the input
2279   // caret won't be moved with an ongoing composition text.
2280   if (event->type() == ui::ET_GESTURE_TAP)
2281     FinishImeCompositionSession();
2282
2283   blink::WebGestureEvent gesture = MakeWebGestureEvent(*event);
2284   if (event->type() == ui::ET_GESTURE_TAP_DOWN) {
2285     // Webkit does not stop a fling-scroll on tap-down. So explicitly send an
2286     // event to stop any in-progress flings.
2287     blink::WebGestureEvent fling_cancel = gesture;
2288     fling_cancel.type = blink::WebInputEvent::GestureFlingCancel;
2289     fling_cancel.sourceDevice = blink::WebGestureDeviceTouchscreen;
2290     host_->ForwardGestureEvent(fling_cancel);
2291   }
2292
2293   if (gesture.type != blink::WebInputEvent::Undefined) {
2294     host_->ForwardGestureEventWithLatencyInfo(gesture, *event->latency());
2295
2296     if (event->type() == ui::ET_GESTURE_SCROLL_BEGIN ||
2297         event->type() == ui::ET_GESTURE_SCROLL_UPDATE ||
2298         event->type() == ui::ET_GESTURE_SCROLL_END) {
2299       RecordAction(base::UserMetricsAction("TouchscreenScroll"));
2300     } else if (event->type() == ui::ET_SCROLL_FLING_START) {
2301       RecordAction(base::UserMetricsAction("TouchscreenScrollFling"));
2302     }
2303   }
2304
2305   // If a gesture is not processed by the webpage, then WebKit processes it
2306   // (e.g. generates synthetic mouse events).
2307   event->SetHandled();
2308 }
2309
2310 ////////////////////////////////////////////////////////////////////////////////
2311 // RenderWidgetHostViewAura, aura::client::ActivationDelegate implementation:
2312
2313 bool RenderWidgetHostViewAura::ShouldActivate() const {
2314   aura::WindowTreeHost* host = window_->GetHost();
2315   if (!host)
2316     return true;
2317   const ui::Event* event = host->dispatcher()->current_event();
2318   if (!event)
2319     return true;
2320   return is_fullscreen_;
2321 }
2322
2323 ////////////////////////////////////////////////////////////////////////////////
2324 // RenderWidgetHostViewAura, aura::client::CursorClientObserver implementation:
2325
2326 void RenderWidgetHostViewAura::OnCursorVisibilityChanged(bool is_visible) {
2327   NotifyRendererOfCursorVisibilityState(is_visible);
2328 }
2329
2330 ////////////////////////////////////////////////////////////////////////////////
2331 // RenderWidgetHostViewAura, aura::client::FocusChangeObserver implementation:
2332
2333 void RenderWidgetHostViewAura::OnWindowFocused(aura::Window* gained_focus,
2334                                                aura::Window* lost_focus) {
2335   DCHECK(window_ == gained_focus || window_ == lost_focus);
2336   if (window_ == gained_focus) {
2337     // We need to honor input bypass if the associated tab is does not want
2338     // input. This gives the current focused window a chance to be the text
2339     // input client and handle events.
2340     if (host_->ignore_input_events())
2341       return;
2342
2343     host_->GotFocus();
2344     host_->SetActive(true);
2345
2346     ui::InputMethod* input_method = GetInputMethod();
2347     if (input_method) {
2348       // Ask the system-wide IME to send all TextInputClient messages to |this|
2349       // object.
2350       input_method->SetFocusedTextInputClient(this);
2351
2352       // Often the application can set focus to the view in response to a key
2353       // down. However the following char event shouldn't be sent to the web
2354       // page.
2355       host_->SuppressNextCharEvents();
2356     }
2357
2358     BrowserAccessibilityManager* manager =
2359         host_->GetRootBrowserAccessibilityManager();
2360     if (manager)
2361       manager->OnWindowFocused();
2362   } else if (window_ == lost_focus) {
2363     host_->SetActive(false);
2364     host_->Blur();
2365
2366     DetachFromInputMethod();
2367
2368     selection_controller_->HideAndDisallowShowingAutomatically();
2369
2370     if (overscroll_controller_)
2371       overscroll_controller_->Cancel();
2372
2373     BrowserAccessibilityManager* manager =
2374         host_->GetRootBrowserAccessibilityManager();
2375     if (manager)
2376       manager->OnWindowBlurred();
2377
2378     // If we lose the focus while fullscreen, close the window; Pepper Flash
2379     // won't do it for us (unlike NPAPI Flash). However, we do not close the
2380     // window if we lose the focus to a window on another display.
2381     gfx::Screen* screen = gfx::Screen::GetScreenFor(window_);
2382     bool focusing_other_display =
2383         gained_focus && screen->GetNumDisplays() > 1 &&
2384         (screen->GetDisplayNearestWindow(window_).id() !=
2385          screen->GetDisplayNearestWindow(gained_focus).id());
2386     if (is_fullscreen_ && !in_shutdown_ && !focusing_other_display) {
2387 #if defined(OS_WIN)
2388       // On Windows, if we are switching to a non Aura Window on a different
2389       // screen we should not close the fullscreen window.
2390       if (!gained_focus) {
2391         POINT point = {0};
2392         ::GetCursorPos(&point);
2393         if (screen->GetDisplayNearestWindow(window_).id() !=
2394             screen->GetDisplayNearestPoint(gfx::Point(point)).id())
2395           return;
2396       }
2397 #endif
2398       Shutdown();
2399       return;
2400     }
2401
2402     // Close the child popup window if we lose focus (e.g. due to a JS alert or
2403     // system modal dialog). This is particularly important if
2404     // |popup_child_host_view_| has mouse capture.
2405     if (popup_child_host_view_)
2406       popup_child_host_view_->Shutdown();
2407   }
2408 }
2409
2410 ////////////////////////////////////////////////////////////////////////////////
2411 // RenderWidgetHostViewAura, aura::WindowTreeHostObserver implementation:
2412
2413 void RenderWidgetHostViewAura::OnHostMoved(const aura::WindowTreeHost* host,
2414                                            const gfx::Point& new_origin) {
2415   TRACE_EVENT1("ui", "RenderWidgetHostViewAura::OnHostMoved",
2416                "new_origin", new_origin.ToString());
2417
2418   UpdateScreenInfo(window_);
2419 }
2420
2421 ////////////////////////////////////////////////////////////////////////////////
2422 // RenderWidgetHostViewAura, private:
2423
2424 RenderWidgetHostViewAura::~RenderWidgetHostViewAura() {
2425   selection_controller_.reset();
2426   selection_controller_client_.reset();
2427
2428   if (UseSurfacesEnabled() && host_->delegate() &&
2429       host_->delegate()->GetInputEventRouter()) {
2430     host_->delegate()->GetInputEventRouter()->RemoveSurfaceIdNamespaceOwner(
2431         GetSurfaceIdNamespace());
2432   }
2433   delegated_frame_host_.reset();
2434   window_observer_.reset();
2435   if (window_->GetHost())
2436     window_->GetHost()->RemoveObserver(this);
2437   UnlockMouse();
2438   if (popup_parent_host_view_) {
2439     DCHECK(popup_parent_host_view_->popup_child_host_view_ == NULL ||
2440            popup_parent_host_view_->popup_child_host_view_ == this);
2441     popup_parent_host_view_->popup_child_host_view_ = NULL;
2442   }
2443   if (popup_child_host_view_) {
2444     DCHECK(popup_child_host_view_->popup_parent_host_view_ == NULL ||
2445            popup_child_host_view_->popup_parent_host_view_ == this);
2446     popup_child_host_view_->popup_parent_host_view_ = NULL;
2447   }
2448   event_filter_for_popup_exit_.reset();
2449   aura::client::SetTooltipText(window_, NULL);
2450   gfx::Screen::GetScreenFor(window_)->RemoveObserver(this);
2451
2452   // This call is usually no-op since |this| object is already removed from the
2453   // Aura root window and we don't have a way to get an input method object
2454   // associated with the window, but just in case.
2455   DetachFromInputMethod();
2456
2457 #if defined(OS_WIN)
2458   // The LegacyRenderWidgetHostHWND window should have been destroyed in
2459   // RenderWidgetHostViewAura::OnWindowDestroying and the pointer should
2460   // be set to NULL.
2461   DCHECK(!legacy_render_widget_host_HWND_);
2462 #endif
2463 }
2464
2465 void RenderWidgetHostViewAura::UpdateCursorIfOverSelf() {
2466   if (host_->GetProcess()->FastShutdownStarted())
2467     return;
2468
2469   aura::Window* root_window = window_->GetRootWindow();
2470   if (!root_window)
2471     return;
2472
2473   gfx::Point root_window_point =
2474       gfx::Screen::GetScreenFor(GetNativeView())->GetCursorScreenPoint();
2475   aura::client::ScreenPositionClient* screen_position_client =
2476       aura::client::GetScreenPositionClient(root_window);
2477   if (screen_position_client) {
2478     screen_position_client->ConvertPointFromScreen(
2479         root_window, &root_window_point);
2480   }
2481
2482   if (root_window->GetEventHandlerForPoint(root_window_point) != window_)
2483     return;
2484
2485   gfx::NativeCursor cursor = current_cursor_.GetNativeCursor();
2486   // Do not show loading cursor when the cursor is currently hidden.
2487   if (is_loading_ && cursor != ui::kCursorNone)
2488     cursor = ui::kCursorPointer;
2489
2490   aura::client::CursorClient* cursor_client =
2491       aura::client::GetCursorClient(root_window);
2492   if (cursor_client) {
2493     cursor_client->SetCursor(cursor);
2494   }
2495 }
2496
2497 ui::InputMethod* RenderWidgetHostViewAura::GetInputMethod() const {
2498   aura::Window* root_window = window_->GetRootWindow();
2499   if (!root_window)
2500     return NULL;
2501   return root_window->GetHost()->GetInputMethod();
2502 }
2503
2504 void RenderWidgetHostViewAura::Shutdown() {
2505   if (!in_shutdown_) {
2506     in_shutdown_ = true;
2507     host_->Shutdown();
2508   }
2509 }
2510
2511 bool RenderWidgetHostViewAura::NeedsInputGrab() {
2512   return popup_type_ == blink::WebPopupTypePage;
2513 }
2514
2515 bool RenderWidgetHostViewAura::NeedsMouseCapture() {
2516 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
2517   return NeedsInputGrab();
2518 #endif
2519   return false;
2520 }
2521
2522 void RenderWidgetHostViewAura::FinishImeCompositionSession() {
2523   if (!has_composition_text_)
2524     return;
2525   if (host_) {
2526     host_->ImeConfirmComposition(base::string16(), gfx::Range::InvalidRange(),
2527                                  false);
2528   }
2529   ImeCancelComposition();
2530 }
2531
2532 void RenderWidgetHostViewAura::ModifyEventMovementAndCoords(
2533     blink::WebMouseEvent* event) {
2534   // If the mouse has just entered, we must report zero movementX/Y. Hence we
2535   // reset any global_mouse_position set previously.
2536   if (event->type == blink::WebInputEvent::MouseEnter ||
2537       event->type == blink::WebInputEvent::MouseLeave)
2538     global_mouse_position_.SetPoint(event->globalX, event->globalY);
2539
2540   // Movement is computed by taking the difference of the new cursor position
2541   // and the previous. Under mouse lock the cursor will be warped back to the
2542   // center so that we are not limited by clipping boundaries.
2543   // We do not measure movement as the delta from cursor to center because
2544   // we may receive more mouse movement events before our warp has taken
2545   // effect.
2546   event->movementX = event->globalX - global_mouse_position_.x();
2547   event->movementY = event->globalY - global_mouse_position_.y();
2548
2549   global_mouse_position_.SetPoint(event->globalX, event->globalY);
2550
2551   // Under mouse lock, coordinates of mouse are locked to what they were when
2552   // mouse lock was entered.
2553   if (mouse_locked_) {
2554     event->x = unlocked_mouse_position_.x();
2555     event->y = unlocked_mouse_position_.y();
2556     event->windowX = unlocked_mouse_position_.x();
2557     event->windowY = unlocked_mouse_position_.y();
2558     event->globalX = unlocked_global_mouse_position_.x();
2559     event->globalY = unlocked_global_mouse_position_.y();
2560   } else {
2561     unlocked_mouse_position_.SetPoint(event->x, event->y);
2562     unlocked_global_mouse_position_.SetPoint(event->globalX, event->globalY);
2563   }
2564 }
2565
2566 void RenderWidgetHostViewAura::NotifyRendererOfCursorVisibilityState(
2567     bool is_visible) {
2568   if (host_->is_hidden() ||
2569       (cursor_visibility_state_in_renderer_ == VISIBLE && is_visible) ||
2570       (cursor_visibility_state_in_renderer_ == NOT_VISIBLE && !is_visible))
2571     return;
2572
2573   cursor_visibility_state_in_renderer_ = is_visible ? VISIBLE : NOT_VISIBLE;
2574   host_->SendCursorVisibilityState(is_visible);
2575 }
2576
2577 void RenderWidgetHostViewAura::SetOverscrollControllerEnabled(bool enabled) {
2578   if (!enabled)
2579     overscroll_controller_.reset();
2580   else if (!overscroll_controller_)
2581     overscroll_controller_.reset(new OverscrollController());
2582 }
2583
2584 void RenderWidgetHostViewAura::SnapToPhysicalPixelBoundary() {
2585   // The top left corner of our view in window coordinates might not land on a
2586   // device pixel boundary if we have a non-integer device scale. In that case,
2587   // to avoid the web contents area looking blurry we translate the web contents
2588   // in the +x, +y direction to land on the nearest pixel boundary. This may
2589   // cause the bottom and right edges to be clipped slightly, but that's ok.
2590   aura::Window* snapped = NULL;
2591   // On desktop, use the root window. On alternative environment (ash),
2592   // use the toplevel window which must be already snapped.
2593   if (gfx::Screen::GetScreenFor(window_) !=
2594       gfx::Screen::GetScreenByType(gfx::SCREEN_TYPE_ALTERNATE)) {
2595     snapped = window_->GetRootWindow();
2596   } else {
2597     snapped = window_->GetToplevelWindow();
2598   }
2599   if (snapped && snapped != window_)
2600     ui::SnapLayerToPhysicalPixelBoundary(snapped->layer(), window_->layer());
2601
2602   has_snapped_to_boundary_ = true;
2603 }
2604
2605 void RenderWidgetHostViewAura::OnShowContextMenu() {
2606 #if defined(OS_WIN)
2607   showing_context_menu_ = true;
2608 #endif
2609 }
2610
2611 void RenderWidgetHostViewAura::SetSelectionControllerClientForTest(
2612     scoped_ptr<TouchSelectionControllerClientAura> client) {
2613   selection_controller_client_.swap(client);
2614   CreateSelectionController();
2615 }
2616
2617 void RenderWidgetHostViewAura::InternalSetBounds(const gfx::Rect& rect) {
2618   SnapToPhysicalPixelBoundary();
2619   // Don't recursively call SetBounds if this bounds update is the result of
2620   // a Window::SetBoundsInternal call.
2621   if (!in_bounds_changed_)
2622     window_->SetBounds(rect);
2623   host_->WasResized();
2624   delegated_frame_host_->WasResized();
2625 #if defined(OS_WIN)
2626   // Create the legacy dummy window which corresponds to the bounds of the
2627   // webcontents. This will be passed as the container window for windowless
2628   // plugins.
2629   // Plugins like Flash assume the container window which is returned via the
2630   // NPNVnetscapeWindow property corresponds to the bounds of the webpage.
2631   // This is not true in Aura where we have only HWND which is the main Aura
2632   // window. If we return this window to plugins like Flash then it causes the
2633   // coordinate translations done by these plugins to break.
2634   // Additonally the legacy dummy window is needed for accessibility and for
2635   // scrolling to work in legacy drivers for trackpoints/trackpads, etc.
2636   if (!legacy_window_destroyed_ && GetNativeViewId()) {
2637     if (!legacy_render_widget_host_HWND_) {
2638       legacy_render_widget_host_HWND_ = LegacyRenderWidgetHostHWND::Create(
2639           reinterpret_cast<HWND>(GetNativeViewId()));
2640     }
2641     if (legacy_render_widget_host_HWND_) {
2642       legacy_render_widget_host_HWND_->set_host(this);
2643       legacy_render_widget_host_HWND_->SetBounds(
2644           window_->GetBoundsInRootWindow());
2645       // There are cases where the parent window is created, made visible and
2646       // the associated RenderWidget is also visible before the
2647       // LegacyRenderWidgetHostHWND instace is created. Ensure that it is shown
2648       // here.
2649       if (!host_->is_hidden())
2650         legacy_render_widget_host_HWND_->Show();
2651     }
2652   }
2653
2654   if (mouse_locked_)
2655     UpdateMouseLockRegion();
2656 #endif
2657 }
2658
2659 void RenderWidgetHostViewAura::SchedulePaintIfNotInClip(
2660     const gfx::Rect& rect,
2661     const gfx::Rect& clip) {
2662   if (!clip.IsEmpty()) {
2663     gfx::Rect to_paint = gfx::SubtractRects(rect, clip);
2664     if (!to_paint.IsEmpty())
2665       window_->SchedulePaintInRect(to_paint);
2666   } else {
2667     window_->SchedulePaintInRect(rect);
2668   }
2669 }
2670
2671 bool RenderWidgetHostViewAura::ShouldMoveToCenter() {
2672   gfx::Rect rect = window_->bounds();
2673   rect = ConvertRectToScreen(rect);
2674   int border_x = rect.width() * kMouseLockBorderPercentage / 100;
2675   int border_y = rect.height() * kMouseLockBorderPercentage / 100;
2676
2677   return global_mouse_position_.x() < rect.x() + border_x ||
2678       global_mouse_position_.x() > rect.right() - border_x ||
2679       global_mouse_position_.y() < rect.y() + border_y ||
2680       global_mouse_position_.y() > rect.bottom() - border_y;
2681 }
2682
2683 void RenderWidgetHostViewAura::AddedToRootWindow() {
2684   window_->GetHost()->AddObserver(this);
2685   UpdateScreenInfo(window_);
2686
2687   aura::client::CursorClient* cursor_client =
2688       aura::client::GetCursorClient(window_->GetRootWindow());
2689   if (cursor_client) {
2690     cursor_client->AddObserver(this);
2691     NotifyRendererOfCursorVisibilityState(cursor_client->IsCursorVisible());
2692   }
2693   if (HasFocus()) {
2694     ui::InputMethod* input_method = GetInputMethod();
2695     if (input_method)
2696       input_method->SetFocusedTextInputClient(this);
2697   }
2698
2699 #if defined(OS_WIN)
2700   // The parent may have changed here. Ensure that the legacy window is
2701   // reparented accordingly.
2702   if (legacy_render_widget_host_HWND_)
2703     legacy_render_widget_host_HWND_->UpdateParent(
2704         reinterpret_cast<HWND>(GetNativeViewId()));
2705 #endif
2706
2707   delegated_frame_host_->SetCompositor(window_->GetHost()->compositor());
2708   if (window_->GetHost()->compositor())
2709     begin_frame_observer_proxy_.SetCompositor(window_->GetHost()->compositor());
2710 }
2711
2712 void RenderWidgetHostViewAura::RemovingFromRootWindow() {
2713   aura::client::CursorClient* cursor_client =
2714       aura::client::GetCursorClient(window_->GetRootWindow());
2715   if (cursor_client)
2716     cursor_client->RemoveObserver(this);
2717
2718   DetachFromInputMethod();
2719
2720   window_->GetHost()->RemoveObserver(this);
2721   delegated_frame_host_->ResetCompositor();
2722   begin_frame_observer_proxy_.ResetCompositor();
2723
2724 #if defined(OS_WIN)
2725   // Update the legacy window's parent temporarily to the desktop window. It
2726   // will eventually get reparented to the right root.
2727   if (legacy_render_widget_host_HWND_)
2728     legacy_render_widget_host_HWND_->UpdateParent(::GetDesktopWindow());
2729 #endif
2730 }
2731
2732 void RenderWidgetHostViewAura::DetachFromInputMethod() {
2733   ui::InputMethod* input_method = GetInputMethod();
2734   if (input_method)
2735     input_method->DetachTextInputClient(this);
2736 }
2737
2738 void RenderWidgetHostViewAura::ForwardKeyboardEvent(
2739     const NativeWebKeyboardEvent& event) {
2740 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
2741   ui::TextEditKeyBindingsDelegateAuraLinux* keybinding_delegate =
2742       ui::GetTextEditKeyBindingsDelegate();
2743   std::vector<ui::TextEditCommandAuraLinux> commands;
2744   if (!event.skip_in_browser &&
2745       keybinding_delegate &&
2746       event.os_event &&
2747       keybinding_delegate->MatchEvent(*event.os_event, &commands)) {
2748     // Transform from ui/ types to content/ types.
2749     EditCommands edit_commands;
2750     for (std::vector<ui::TextEditCommandAuraLinux>::const_iterator it =
2751              commands.begin(); it != commands.end(); ++it) {
2752       edit_commands.push_back(EditCommand(it->GetCommandString(),
2753                                           it->argument()));
2754     }
2755     host_->Send(new InputMsg_SetEditCommandsForNextKeyEvent(
2756         host_->GetRoutingID(), edit_commands));
2757     NativeWebKeyboardEvent copy_event(event);
2758     copy_event.match_edit_command = true;
2759     host_->ForwardKeyboardEvent(copy_event);
2760     return;
2761   }
2762 #endif
2763
2764   host_->ForwardKeyboardEvent(event);
2765 }
2766
2767 void RenderWidgetHostViewAura::SelectionUpdated(bool is_editable,
2768                                                 bool is_empty_text_form_control,
2769                                                 const ui::SelectionBound& start,
2770                                                 const ui::SelectionBound& end) {
2771   selection_controller_->OnSelectionEditable(is_editable);
2772   selection_controller_->OnSelectionEmpty(is_empty_text_form_control);
2773   selection_controller_->OnSelectionBoundsChanged(start, end);
2774 }
2775
2776 void RenderWidgetHostViewAura::CreateSelectionController() {
2777   ui::TouchSelectionController::Config tsc_config;
2778   tsc_config.max_tap_duration = base::TimeDelta::FromMilliseconds(
2779       ui::GestureConfiguration::GetInstance()->long_press_time_in_ms());
2780   tsc_config.tap_slop = ui::GestureConfiguration::GetInstance()
2781                             ->max_touch_move_in_pixels_for_click();
2782   tsc_config.show_on_tap_for_empty_editable = true;
2783   tsc_config.enable_longpress_drag_selection = false;
2784   selection_controller_.reset(new ui::TouchSelectionController(
2785       selection_controller_client_.get(), tsc_config));
2786 }
2787
2788 void RenderWidgetHostViewAura::HandleGestureForTouchSelection(
2789     ui::GestureEvent* event) {
2790   switch (event->type()) {
2791     case ui::ET_GESTURE_LONG_PRESS:
2792       if (selection_controller_->WillHandleLongPressEvent(
2793               base::TimeTicks() + event->time_stamp(), event->location_f())) {
2794         event->SetHandled();
2795       }
2796       break;
2797     case ui::ET_GESTURE_TAP:
2798       if (selection_controller_->WillHandleTapEvent(event->location_f()))
2799         event->SetHandled();
2800       break;
2801     case ui::ET_GESTURE_SCROLL_BEGIN:
2802       selection_controller_client_->OnScrollStarted();
2803       break;
2804     case ui::ET_GESTURE_SCROLL_END:
2805       selection_controller_client_->OnScrollCompleted();
2806       break;
2807     default:
2808       break;
2809   }
2810 }
2811
2812 ////////////////////////////////////////////////////////////////////////////////
2813 // DelegatedFrameHost, public:
2814
2815 ui::Layer* RenderWidgetHostViewAura::DelegatedFrameHostGetLayer() const {
2816   return window_->layer();
2817 }
2818
2819 bool RenderWidgetHostViewAura::DelegatedFrameHostIsVisible() const {
2820   return !host_->is_hidden();
2821 }
2822
2823 gfx::Size RenderWidgetHostViewAura::DelegatedFrameHostDesiredSizeInDIP() const {
2824   return window_->bounds().size();
2825 }
2826
2827 bool RenderWidgetHostViewAura::DelegatedFrameCanCreateResizeLock() const {
2828 #if !defined(OS_CHROMEOS)
2829   // On Windows and Linux, holding pointer moves will not help throttling
2830   // resizes.
2831   // TODO(piman): on Windows we need to block (nested message loop?) the
2832   // WM_SIZE event. On Linux we need to throttle at the WM level using
2833   // _NET_WM_SYNC_REQUEST.
2834   return false;
2835 #else
2836   if (host_->auto_resize_enabled())
2837     return false;
2838   return true;
2839 #endif
2840 }
2841
2842 scoped_ptr<ResizeLock>
2843 RenderWidgetHostViewAura::DelegatedFrameHostCreateResizeLock(
2844     bool defer_compositor_lock) {
2845   gfx::Size desired_size = window_->bounds().size();
2846   return scoped_ptr<ResizeLock>(new CompositorResizeLock(
2847       window_->GetHost(),
2848       desired_size,
2849       defer_compositor_lock,
2850       base::TimeDelta::FromMilliseconds(kResizeLockTimeoutMs)));
2851 }
2852
2853 void RenderWidgetHostViewAura::DelegatedFrameHostResizeLockWasReleased() {
2854   host_->WasResized();
2855 }
2856
2857 void RenderWidgetHostViewAura::DelegatedFrameHostSendCompositorSwapAck(
2858     int output_surface_id,
2859     const cc::CompositorFrameAck& ack) {
2860   host_->Send(new ViewMsg_SwapCompositorFrameAck(host_->GetRoutingID(),
2861                                                  output_surface_id, ack));
2862 }
2863
2864 void RenderWidgetHostViewAura::DelegatedFrameHostSendReclaimCompositorResources(
2865     int output_surface_id,
2866     const cc::CompositorFrameAck& ack) {
2867   host_->Send(new ViewMsg_ReclaimCompositorResources(host_->GetRoutingID(),
2868                                                      output_surface_id, ack));
2869 }
2870
2871 void RenderWidgetHostViewAura::DelegatedFrameHostOnLostCompositorResources() {
2872   host_->ScheduleComposite();
2873 }
2874
2875 void RenderWidgetHostViewAura::DelegatedFrameHostUpdateVSyncParameters(
2876     const base::TimeTicks& timebase,
2877     const base::TimeDelta& interval) {
2878   host_->UpdateVSyncParameters(timebase, interval);
2879 }
2880
2881 void RenderWidgetHostViewAura::OnDidNavigateMainFrameToNewPage() {
2882   ui::GestureRecognizer::Get()->CancelActiveTouches(window_);
2883 }
2884
2885 uint32_t RenderWidgetHostViewAura::GetSurfaceIdNamespace() {
2886   return delegated_frame_host_->GetSurfaceIdNamespace();
2887 }
2888
2889 ////////////////////////////////////////////////////////////////////////////////
2890 // RenderWidgetHostViewBase, public:
2891
2892 // static
2893 void RenderWidgetHostViewBase::GetDefaultScreenInfo(WebScreenInfo* results) {
2894   GetScreenInfoForWindow(results, NULL);
2895 }
2896
2897 }  // namespace content