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 ((mouse_locked || selection_popup) &&
 792       (event->type() == ui::ET_MOUSE_EXITED))
 793     return false;
 794
 795 #if defined(OS_WIN)
 796   // Don't forward the mouse leave message which is received when the context
 797   // menu is displayed by the page. This confuses the page and causes state
 798   // changes.
 799   if (showing_context_menu) {
 800     if (event->type() == ui::ET_MOUSE_EXITED)
 801       return false;
 802   }
 803   // Renderer cannot handle WM_XBUTTON or NC events.
 804   switch (event->native_event().message) {
 805     case WM_XBUTTONDOWN:
 806     case WM_XBUTTONUP:
 807     case WM_XBUTTONDBLCLK:
 808     case WM_NCMOUSELEAVE:
 809     case WM_NCMOUSEMOVE:
 810     case WM_NCLBUTTONDOWN:
 811     case WM_NCLBUTTONUP:
 812     case WM_NCLBUTTONDBLCLK:
 813     case WM_NCRBUTTONDOWN:
 814     case WM_NCRBUTTONUP:
 815     case WM_NCRBUTTONDBLCLK:
 816     case WM_NCMBUTTONDOWN:
 817     case WM_NCMBUTTONUP:
 818     case WM_NCMBUTTONDBLCLK:
 819     case WM_NCXBUTTONDOWN:
 820     case WM_NCXBUTTONUP:
 821     case WM_NCXBUTTONDBLCLK:
 822       return false;
 823     default:
 824       break;
 825   }
 826 #elif defined(USE_X11)
 827   // Renderer only supports standard mouse buttons, so ignore programmable
 828   // buttons.
 829   switch (event->type()) {
 830     case ui::ET_MOUSE_PRESSED:
 831     case ui::ET_MOUSE_RELEASED: {
 832       const int kAllowedButtons = ui::EF_LEFT_MOUSE_BUTTON |
 833                                   ui::EF_MIDDLE_MOUSE_BUTTON |
 834                                   ui::EF_RIGHT_MOUSE_BUTTON;
 835       return (event->flags() & kAllowedButtons) != 0;
 836     }
 837     default:
 838       break;
 839   }
 840 #endif
 841   return true;
 842 }
 843
 844 void RenderWidgetHostViewAura::HandleParentBoundsChanged() {
 845   SnapToPhysicalPixelBoundary();
 846 #if defined(OS_WIN)
 847   if (legacy_render_widget_host_HWND_) {
 848     legacy_render_widget_host_HWND_->SetBounds(
 849         window_->GetBoundsInRootWindow());
 850   }
 851 #endif
 852   if (!in_shutdown_)
 853     host_->SendScreenRects();
 854 }
 855
 856 void RenderWidgetHostViewAura::ParentHierarchyChanged() {
 857   ancestor_window_observer_.reset(new WindowAncestorObserver(this));
 858   // Snap when we receive a hierarchy changed. http://crbug.com/388908.
 859   HandleParentBoundsChanged();
 860 }
 861
 862 void RenderWidgetHostViewAura::MovePluginWindows(
 863     const std::vector<WebPluginGeometry>& plugin_window_moves) {
 864 #if defined(OS_WIN)
 865   // We need to clip the rectangle to the tab's viewport, otherwise we will draw
 866   // over the browser UI.
 867   if (!window_->GetRootWindow()) {
 868     DCHECK(plugin_window_moves.empty());
 869     return;
 870   }
 871   HWND parent = window_->GetHost()->GetAcceleratedWidget();
 872   gfx::Rect view_bounds = window_->GetBoundsInRootWindow();
 873   std::vector<WebPluginGeometry> moves = plugin_window_moves;
 874
 875   gfx::Rect view_port(view_bounds.size());
 876
 877   for (size_t i = 0; i < moves.size(); ++i) {
 878     gfx::Rect clip(moves[i].clip_rect);
 879     gfx::Vector2d view_port_offset(
 880         moves[i].window_rect.OffsetFromOrigin());
 881     clip.Offset(view_port_offset);
 882     clip.Intersect(view_port);
 883     clip.Offset(-view_port_offset);
 884     moves[i].clip_rect = clip;
 885
 886     moves[i].window_rect.Offset(view_bounds.OffsetFromOrigin());
 887
 888     plugin_window_moves_[moves[i].window] = moves[i];
 889
 890     // constrained_rects_ are relative to the root window. We want to convert
 891     // them to be relative to the plugin window.
 892     for (size_t j = 0; j < constrained_rects_.size(); ++j) {
 893       gfx::Rect offset_cutout = constrained_rects_[j];
 894       offset_cutout -= moves[i].window_rect.OffsetFromOrigin();
 895       moves[i].cutout_rects.push_back(offset_cutout);
 896     }
 897   }
 898
 899   MovePluginWindowsHelper(parent, moves);
 900
 901   // Make sure each plugin window (or its wrapper if it exists) has a pointer to
 902   // |this|.
 903   for (size_t i = 0; i < moves.size(); ++i) {
 904     HWND window = moves[i].window;
 905     if (GetParent(window) != parent) {
 906       window = GetParent(window);
 907     }
 908     if (!GetProp(window, kWidgetOwnerProperty))
 909       SetProp(window, kWidgetOwnerProperty, this);
 910   }
 911 #endif  // defined(OS_WIN)
 912 }
 913
 914 void RenderWidgetHostViewAura::Focus() {
 915   // Make sure we have a FocusClient before attempting to Focus(). In some
 916   // situations we may not yet be in a valid Window hierarchy (such as reloading
 917   // after out of memory discarded the tab).
 918   aura::client::FocusClient* client = aura::client::GetFocusClient(window_);
 919   if (client)
 920     window_->Focus();
 921 }
 922
 923 bool RenderWidgetHostViewAura::HasFocus() const {
 924   return window_->HasFocus();
 925 }
 926
 927 bool RenderWidgetHostViewAura::IsSurfaceAvailableForCopy() const {
 928   return delegated_frame_host_->CanCopyToBitmap();
 929 }
 930
 931 bool RenderWidgetHostViewAura::IsShowing() {
 932   return window_->IsVisible();
 933 }
 934
 935 gfx::Rect RenderWidgetHostViewAura::GetViewBounds() const {
 936   return window_->GetBoundsInScreen();
 937 }
 938
 939 void RenderWidgetHostViewAura::SetBackgroundColor(SkColor color) {
 940   RenderWidgetHostViewBase::SetBackgroundColor(color);
 941   bool opaque = GetBackgroundOpaque();
 942   host_->SetBackgroundOpaque(opaque);
 943   window_->layer()->SetFillsBoundsOpaquely(opaque);
 944   window_->layer()->SetColor(color);
 945 }
 946
 947 gfx::Size RenderWidgetHostViewAura::GetVisibleViewportSize() const {
 948   gfx::Rect requested_rect(GetRequestedRendererSize());
 949   requested_rect.Inset(insets_);
 950   return requested_rect.size();
 951 }
 952
 953 void RenderWidgetHostViewAura::SetInsets(const gfx::Insets& insets) {
 954   if (insets != insets_) {
 955     insets_ = insets;
 956     host_->WasResized();
 957   }
 958 }
 959
 960 void RenderWidgetHostViewAura::UpdateCursor(const WebCursor& cursor) {
 961   current_cursor_ = cursor;
 962   const gfx::Display display = gfx::Screen::GetScreenFor(window_)->
 963       GetDisplayNearestWindow(window_);
 964   current_cursor_.SetDisplayInfo(display);
 965   UpdateCursorIfOverSelf();
 966 }
 967
 968 void RenderWidgetHostViewAura::SetIsLoading(bool is_loading) {
 969   is_loading_ = is_loading;
 970   UpdateCursorIfOverSelf();
 971 }
 972
 973 void RenderWidgetHostViewAura::TextInputStateChanged(
 974     const ViewHostMsg_TextInputState_Params& params) {
 975   if (text_input_type_ != params.type ||
 976       text_input_mode_ != params.mode ||
 977       can_compose_inline_ != params.can_compose_inline ||
 978       text_input_flags_ != params.flags) {
 979     text_input_type_ = params.type;
 980     text_input_mode_ = params.mode;
 981     can_compose_inline_ = params.can_compose_inline;
 982     text_input_flags_ = params.flags;
 983     if (GetInputMethod())
 984       GetInputMethod()->OnTextInputTypeChanged(this);
 985   }
 986   if (params.show_ime_if_needed && params.type != ui::TEXT_INPUT_TYPE_NONE) {
 987     if (GetInputMethod())
 988       GetInputMethod()->ShowImeIfNeeded();
 989   }
 990 }
 991
 992 void RenderWidgetHostViewAura::ImeCancelComposition() {
 993   if (GetInputMethod())
 994     GetInputMethod()->CancelComposition(this);
 995   has_composition_text_ = false;
 996 }
 997
 998 void RenderWidgetHostViewAura::ImeCompositionRangeChanged(
 999     const gfx::Range& range,
1000     const std::vector<gfx::Rect>& character_bounds) {
1001   composition_character_bounds_ = character_bounds;
1002 }
1003
1004 void RenderWidgetHostViewAura::RenderProcessGone(base::TerminationStatus status,
1005                                                  int error_code) {
1006   UpdateCursorIfOverSelf();
1007   Destroy();
1008 }
1009
1010 void RenderWidgetHostViewAura::Destroy() {
1011   // Beware, this function is not called on all destruction paths. It will
1012   // implicitly end up calling ~RenderWidgetHostViewAura though, so all
1013   // destruction/cleanup code should happen there, not here.
1014   in_shutdown_ = true;
1015   delete window_;
1016 }
1017
1018 void RenderWidgetHostViewAura::SetTooltipText(
1019     const base::string16& tooltip_text) {
1020   tooltip_ = tooltip_text;
1021   aura::Window* root_window = window_->GetRootWindow();
1022   aura::client::TooltipClient* tooltip_client =
1023       aura::client::GetTooltipClient(root_window);
1024   if (tooltip_client) {
1025     tooltip_client->UpdateTooltip(window_);
1026     // Content tooltips should be visible indefinitely.
1027     tooltip_client->SetTooltipShownTimeout(window_, 0);
1028   }
1029 }
1030
1031 void RenderWidgetHostViewAura::SelectionChanged(const base::string16& text,
1032                                                 size_t offset,
1033                                                 const gfx::Range& range) {
1034   RenderWidgetHostViewBase::SelectionChanged(text, offset, range);
1035
1036 #if defined(USE_X11) && !defined(OS_CHROMEOS)
1037   if (text.empty() || range.is_empty())
1038     return;
1039   size_t pos = range.GetMin() - offset;
1040   size_t n = range.length();
1041
1042   DCHECK(pos + n <= text.length()) << "The text can not fully cover range.";
1043   if (pos >= text.length()) {
1044     NOTREACHED() << "The text can not cover range.";
1045     return;
1046   }
1047
1048   // Set the CLIPBOARD_TYPE_SELECTION to the ui::Clipboard.
1049   ui::ScopedClipboardWriter clipboard_writer(ui::CLIPBOARD_TYPE_SELECTION);
1050   clipboard_writer.WriteText(text.substr(pos, n));
1051 #endif  // defined(USE_X11) && !defined(OS_CHROMEOS)
1052 }
1053
1054 gfx::Size RenderWidgetHostViewAura::GetRequestedRendererSize() const {
1055   return delegated_frame_host_->GetRequestedRendererSize();
1056 }
1057
1058 void RenderWidgetHostViewAura::SelectionBoundsChanged(
1059     const ViewHostMsg_SelectionBounds_Params& params) {
1060   ui::SelectionBound anchor_bound, focus_bound;
1061   anchor_bound.SetEdge(params.anchor_rect.origin(),
1062                        params.anchor_rect.bottom_left());
1063   focus_bound.SetEdge(params.focus_rect.origin(),
1064                       params.focus_rect.bottom_left());
1065
1066   if (params.anchor_rect == params.focus_rect) {
1067     anchor_bound.set_type(ui::SelectionBound::CENTER);
1068     focus_bound.set_type(ui::SelectionBound::CENTER);
1069   } else {
1070     // Whether text is LTR at the anchor handle.
1071     bool anchor_LTR = params.anchor_dir == blink::WebTextDirectionLeftToRight;
1072     // Whether text is LTR at the focus handle.
1073     bool focus_LTR = params.focus_dir == blink::WebTextDirectionLeftToRight;
1074
1075     if ((params.is_anchor_first && anchor_LTR) ||
1076         (!params.is_anchor_first && !anchor_LTR)) {
1077       anchor_bound.set_type(ui::SelectionBound::LEFT);
1078     } else {
1079       anchor_bound.set_type(ui::SelectionBound::RIGHT);
1080     }
1081     if ((params.is_anchor_first && focus_LTR) ||
1082         (!params.is_anchor_first && !focus_LTR)) {
1083       focus_bound.set_type(ui::SelectionBound::RIGHT);
1084     } else {
1085       focus_bound.set_type(ui::SelectionBound::LEFT);
1086     }
1087   }
1088
1089   if (anchor_bound == selection_anchor_ && focus_bound == selection_focus_)
1090     return;
1091
1092   selection_anchor_ = anchor_bound;
1093   selection_focus_ = focus_bound;
1094   if (GetInputMethod())
1095     GetInputMethod()->OnCaretBoundsChanged(this);
1096 }
1097
1098 void RenderWidgetHostViewAura::CopyFromCompositingSurface(
1099     const gfx::Rect& src_subrect,
1100     const gfx::Size& dst_size,
1101     ReadbackRequestCallback& callback,
1102     const SkColorType preferred_color_type) {
1103   delegated_frame_host_->CopyFromCompositingSurface(
1104       src_subrect, dst_size, callback, preferred_color_type);
1105 }
1106
1107 void RenderWidgetHostViewAura::CopyFromCompositingSurfaceToVideoFrame(
1108       const gfx::Rect& src_subrect,
1109       const scoped_refptr<media::VideoFrame>& target,
1110       const base::Callback<void(bool)>& callback) {
1111   delegated_frame_host_->CopyFromCompositingSurfaceToVideoFrame(
1112       src_subrect, target, callback);
1113 }
1114
1115 bool RenderWidgetHostViewAura::CanCopyToVideoFrame() const {
1116   return delegated_frame_host_->CanCopyToVideoFrame();
1117 }
1118
1119 bool RenderWidgetHostViewAura::CanSubscribeFrame() const {
1120   return delegated_frame_host_->CanSubscribeFrame();
1121 }
1122
1123 void RenderWidgetHostViewAura::BeginFrameSubscription(
1124     scoped_ptr<RenderWidgetHostViewFrameSubscriber> subscriber) {
1125   delegated_frame_host_->BeginFrameSubscription(subscriber.Pass());
1126 }
1127
1128 void RenderWidgetHostViewAura::EndFrameSubscription() {
1129   delegated_frame_host_->EndFrameSubscription();
1130 }
1131
1132 #if defined(OS_WIN)
1133 bool RenderWidgetHostViewAura::UsesNativeWindowFrame() const {
1134   return (legacy_render_widget_host_HWND_ != NULL);
1135 }
1136
1137 void RenderWidgetHostViewAura::UpdateConstrainedWindowRects(
1138     const std::vector<gfx::Rect>& rects) {
1139   // Check this before setting constrained_rects_, so that next time they're set
1140   // and we have a root window we don't early return.
1141   if (!window_->GetHost())
1142     return;
1143
1144   if (rects == constrained_rects_)
1145     return;
1146
1147   constrained_rects_ = rects;
1148
1149   HWND parent = window_->GetHost()->GetAcceleratedWidget();
1150   CutoutRectsParams params;
1151   params.widget = this;
1152   params.cutout_rects = constrained_rects_;
1153   params.geometry = &plugin_window_moves_;
1154   LPARAM lparam = reinterpret_cast<LPARAM>(&params);
1155   EnumChildWindows(parent, SetCutoutRectsCallback, lparam);
1156 }
1157
1158 void RenderWidgetHostViewAura::UpdateMouseLockRegion() {
1159   // Clip the cursor if chrome is running on regular desktop.
1160   if (gfx::Screen::GetScreenFor(window_) == gfx::Screen::GetNativeScreen()) {
1161     RECT window_rect =
1162         gfx::win::DIPToScreenRect(window_->GetBoundsInScreen()).ToRECT();
1163     ::ClipCursor(&window_rect);
1164   }
1165 }
1166
1167 void RenderWidgetHostViewAura::OnLegacyWindowDestroyed() {
1168   legacy_render_widget_host_HWND_ = NULL;
1169   legacy_window_destroyed_ = true;
1170 }
1171 #endif
1172
1173 void RenderWidgetHostViewAura::OnSwapCompositorFrame(
1174     uint32 output_surface_id,
1175     scoped_ptr<cc::CompositorFrame> frame) {
1176   TRACE_EVENT0("content", "RenderWidgetHostViewAura::OnSwapCompositorFrame");
1177
1178   last_scroll_offset_ = frame->metadata.root_scroll_offset;
1179   if (!frame->delegated_frame_data)
1180     return;
1181   delegated_frame_host_->SwapDelegatedFrame(
1182       output_surface_id, frame->delegated_frame_data.Pass(),
1183       frame->metadata.device_scale_factor, frame->metadata.latency_info,
1184       &frame->metadata.satisfies_sequences);
1185   SelectionUpdated(frame->metadata.selection.is_editable,
1186                    frame->metadata.selection.is_empty_text_form_control,
1187                    ConvertSelectionBound(frame->metadata.selection.start),
1188                    ConvertSelectionBound(frame->metadata.selection.end));
1189 }
1190
1191 void RenderWidgetHostViewAura::DidStopFlinging() {
1192   selection_controller_client_->OnScrollCompleted();
1193 }
1194
1195 #if defined(OS_WIN)
1196 void RenderWidgetHostViewAura::SetParentNativeViewAccessible(
1197     gfx::NativeViewAccessible accessible_parent) {
1198 }
1199
1200 gfx::NativeViewId RenderWidgetHostViewAura::GetParentForWindowlessPlugin()
1201     const {
1202   if (legacy_render_widget_host_HWND_) {
1203     return reinterpret_cast<gfx::NativeViewId>(
1204         legacy_render_widget_host_HWND_->hwnd());
1205   }
1206   return NULL;
1207 }
1208 #endif
1209
1210 bool RenderWidgetHostViewAura::HasAcceleratedSurface(
1211     const gfx::Size& desired_size) {
1212   // Aura doesn't use GetBackingStore for accelerated pages, so it doesn't
1213   // matter what is returned here as GetBackingStore is the only caller of this
1214   // method. TODO(jbates) implement this if other Aura code needs it.
1215   return false;
1216 }
1217
1218 void RenderWidgetHostViewAura::GetScreenInfo(WebScreenInfo* results) {
1219   GetScreenInfoForWindow(results, window_->GetRootWindow() ? window_ : NULL);
1220 }
1221
1222 bool RenderWidgetHostViewAura::GetScreenColorProfile(
1223     std::vector<char>* color_profile) {
1224   DCHECK(color_profile->empty());
1225   gfx::Rect bounds(window_->GetToplevelWindow()->GetBoundsInScreen());
1226   return gfx::GetDisplayColorProfile(bounds, color_profile);
1227 }
1228
1229 gfx::Rect RenderWidgetHostViewAura::GetBoundsInRootWindow() {
1230   aura::Window* top_level = window_->GetToplevelWindow();
1231   gfx::Rect bounds(top_level->GetBoundsInScreen());
1232
1233 #if defined(OS_WIN)
1234   // TODO(zturner,iyengar): This will break when we remove support for NPAPI and
1235   // remove the legacy hwnd, so a better fix will need to be decided when that
1236   // happens.
1237   if (UsesNativeWindowFrame()) {
1238     // aura::Window doesn't take into account non-client area of native windows
1239     // (e.g. HWNDs), so for that case ask Windows directly what the bounds are.
1240     aura::WindowTreeHost* host = top_level->GetHost();
1241     if (!host)
1242       return top_level->GetBoundsInScreen();
1243     RECT window_rect = {0};
1244     HWND hwnd = host->GetAcceleratedWidget();
1245     ::GetWindowRect(hwnd, &window_rect);
1246     bounds = gfx::Rect(window_rect);
1247
1248     // Maximized windows are outdented from the work area by the frame thickness
1249     // even though this "frame" is not painted.  This confuses code (and people)
1250     // that think of a maximized window as corresponding exactly to the work
1251     // area.  Correct for this by subtracting the frame thickness back off.
1252     if (::IsZoomed(hwnd)) {
1253       bounds.Inset(GetSystemMetrics(SM_CXSIZEFRAME),
1254                    GetSystemMetrics(SM_CYSIZEFRAME));
1255
1256       bounds.Inset(GetSystemMetrics(SM_CXPADDEDBORDER),
1257                    GetSystemMetrics(SM_CXPADDEDBORDER));
1258     }
1259   }
1260
1261   bounds = gfx::win::ScreenToDIPRect(bounds);
1262 #endif
1263
1264   return bounds;
1265 }
1266
1267 void RenderWidgetHostViewAura::WheelEventAck(
1268     const blink::WebMouseWheelEvent& event,
1269     InputEventAckState ack_result) {
1270   if (overscroll_controller_) {
1271     overscroll_controller_->ReceivedEventACK(
1272         event, (INPUT_EVENT_ACK_STATE_CONSUMED == ack_result));
1273   }
1274 }
1275
1276 void RenderWidgetHostViewAura::GestureEventAck(
1277     const blink::WebGestureEvent& event,
1278     InputEventAckState ack_result) {
1279   if (overscroll_controller_) {
1280     overscroll_controller_->ReceivedEventACK(
1281         event, (INPUT_EVENT_ACK_STATE_CONSUMED == ack_result));
1282   }
1283 }
1284
1285 void RenderWidgetHostViewAura::ProcessAckedTouchEvent(
1286     const TouchEventWithLatencyInfo& touch,
1287     InputEventAckState ack_result) {
1288   ScopedVector<ui::TouchEvent> events;
1289   aura::WindowTreeHost* host = window_->GetHost();
1290   // |host| is NULL during tests.
1291   if (!host)
1292     return;
1293
1294   ui::EventResult result = (ack_result == INPUT_EVENT_ACK_STATE_CONSUMED)
1295                                ? ui::ER_HANDLED
1296                                : ui::ER_UNHANDLED;
1297
1298   blink::WebTouchPoint::State required_state;
1299   switch (touch.event.type) {
1300     case blink::WebInputEvent::TouchStart:
1301       required_state = blink::WebTouchPoint::StatePressed;
1302       break;
1303     case blink::WebInputEvent::TouchEnd:
1304       required_state = blink::WebTouchPoint::StateReleased;
1305       break;
1306     case blink::WebInputEvent::TouchMove:
1307       required_state = blink::WebTouchPoint::StateMoved;
1308       break;
1309     case blink::WebInputEvent::TouchCancel:
1310       required_state = blink::WebTouchPoint::StateCancelled;
1311       break;
1312     default:
1313       required_state = blink::WebTouchPoint::StateUndefined;
1314       NOTREACHED();
1315       break;
1316   }
1317
1318   // Only send acks for one changed touch point.
1319   bool sent_ack = false;
1320   for (size_t i = 0; i < touch.event.touchesLength; ++i) {
1321     if (touch.event.touches[i].state == required_state) {
1322       DCHECK(!sent_ack);
1323       host->dispatcher()->ProcessedTouchEvent(touch.event.uniqueTouchEventId,
1324                                               window_, result);
1325       sent_ack = true;
1326     }
1327   }
1328 }
1329
1330 scoped_ptr<SyntheticGestureTarget>
1331 RenderWidgetHostViewAura::CreateSyntheticGestureTarget() {
1332   return scoped_ptr<SyntheticGestureTarget>(
1333       new SyntheticGestureTargetAura(host_));
1334 }
1335
1336 InputEventAckState RenderWidgetHostViewAura::FilterInputEvent(
1337     const blink::WebInputEvent& input_event) {
1338   bool consumed = false;
1339   if (input_event.type == WebInputEvent::GestureFlingStart) {
1340     const WebGestureEvent& gesture_event =
1341         static_cast<const WebGestureEvent&>(input_event);
1342     // Zero-velocity touchpad flings are an Aura-specific signal that the
1343     // touchpad scroll has ended, and should not be forwarded to the renderer.
1344     if (gesture_event.sourceDevice == blink::WebGestureDeviceTouchpad &&
1345         !gesture_event.data.flingStart.velocityX &&
1346         !gesture_event.data.flingStart.velocityY) {
1347       consumed = true;
1348     }
1349   }
1350
1351   if (overscroll_controller_)
1352     consumed |= overscroll_controller_->WillHandleEvent(input_event);
1353
1354   // Touch events should always propagate to the renderer.
1355   if (WebTouchEvent::isTouchEventType(input_event.type))
1356     return INPUT_EVENT_ACK_STATE_NOT_CONSUMED;
1357
1358   // Reporting consumed for a fling suggests that there's now an *active* fling
1359   // that requires both animation and a fling-end notification. However, the
1360   // OverscrollController consumes a fling to stop its propagation; it doesn't
1361   // actually tick a fling animation. Report no consumer to convey this.
1362   if (consumed && input_event.type == blink::WebInputEvent::GestureFlingStart)
1363     return INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS;
1364
1365   return consumed ? INPUT_EVENT_ACK_STATE_CONSUMED
1366                   : INPUT_EVENT_ACK_STATE_NOT_CONSUMED;
1367 }
1368
1369 BrowserAccessibilityManager*
1370 RenderWidgetHostViewAura::CreateBrowserAccessibilityManager(
1371     BrowserAccessibilityDelegate* delegate) {
1372   BrowserAccessibilityManager* manager = NULL;
1373 #if defined(OS_WIN)
1374   manager = new BrowserAccessibilityManagerWin(
1375       BrowserAccessibilityManagerWin::GetEmptyDocument(), delegate);
1376 #else
1377   manager = BrowserAccessibilityManager::Create(
1378       BrowserAccessibilityManager::GetEmptyDocument(), delegate);
1379 #endif
1380   return manager;
1381 }
1382
1383 gfx::AcceleratedWidget
1384 RenderWidgetHostViewAura::AccessibilityGetAcceleratedWidget() {
1385 #if defined(OS_WIN)
1386   if (legacy_render_widget_host_HWND_)
1387     return legacy_render_widget_host_HWND_->hwnd();
1388 #endif
1389   return gfx::kNullAcceleratedWidget;
1390 }
1391
1392 gfx::NativeViewAccessible
1393 RenderWidgetHostViewAura::AccessibilityGetNativeViewAccessible() {
1394 #if defined(OS_WIN)
1395   if (legacy_render_widget_host_HWND_)
1396     return legacy_render_widget_host_HWND_->window_accessible();
1397 #endif
1398   return NULL;
1399 }
1400
1401 gfx::GLSurfaceHandle RenderWidgetHostViewAura::GetCompositingSurface() {
1402   return ImageTransportFactory::GetInstance()->GetSharedSurfaceHandle();
1403 }
1404
1405 void RenderWidgetHostViewAura::ShowDisambiguationPopup(
1406     const gfx::Rect& rect_pixels,
1407     const SkBitmap& zoomed_bitmap) {
1408   RenderViewHostDelegate* delegate = NULL;
1409   if (host_->IsRenderView())
1410     delegate = RenderViewHost::From(host_)->GetDelegate();
1411   // Suppress the link disambiguation popup if the virtual keyboard is currently
1412   // requested, as it doesn't interact well with the keyboard.
1413   if (delegate && delegate->IsVirtualKeyboardRequested())
1414     return;
1415
1416   // |target_rect| is provided in pixels, not DIPs. So we convert it to DIPs
1417   // by scaling it by the inverse of the device scale factor.
1418   gfx::RectF screen_target_rect_f(rect_pixels);
1419   screen_target_rect_f.Scale(1.0f / current_device_scale_factor_);
1420   disambiguation_target_rect_ = gfx::ToEnclosingRect(screen_target_rect_f);
1421
1422   float scale = static_cast<float>(zoomed_bitmap.width()) /
1423                 static_cast<float>(rect_pixels.width());
1424   gfx::Size zoomed_size(gfx::ToCeiledSize(
1425       gfx::ScaleSize(disambiguation_target_rect_.size(), scale)));
1426
1427   // Save of a copy of the |last_scroll_offset_| for comparison when the copy
1428   // callback fires, to ensure that we haven't scrolled.
1429   disambiguation_scroll_offset_ = last_scroll_offset_;
1430
1431   CopyFromCompositingSurface(
1432       disambiguation_target_rect_,
1433       zoomed_size,
1434       base::Bind(&RenderWidgetHostViewAura::DisambiguationPopupRendered,
1435                  weak_ptr_factory_.GetWeakPtr()),
1436                  kN32_SkColorType);
1437 }
1438
1439 void RenderWidgetHostViewAura::DisambiguationPopupRendered(
1440     const SkBitmap& result,
1441     ReadbackResponse response) {
1442   if ((response != READBACK_SUCCESS) ||
1443       disambiguation_scroll_offset_ != last_scroll_offset_)
1444     return;
1445
1446   // Use RenderViewHostDelegate to get to the WebContentsViewAura, which will
1447   // actually show the disambiguation popup.
1448   RenderViewHostDelegate* delegate = NULL;
1449   if (host_->IsRenderView())
1450     delegate = RenderViewHost::From(host_)->GetDelegate();
1451   RenderViewHostDelegateView* delegate_view = NULL;
1452   if (delegate) {
1453     delegate_view = delegate->GetDelegateView();
1454     if (delegate->IsVirtualKeyboardRequested())
1455       return;
1456   }
1457   if (delegate_view) {
1458     delegate_view->ShowDisambiguationPopup(
1459         disambiguation_target_rect_,
1460         result,
1461         base::Bind(&RenderWidgetHostViewAura::ProcessDisambiguationGesture,
1462                    weak_ptr_factory_.GetWeakPtr()),
1463         base::Bind(&RenderWidgetHostViewAura::ProcessDisambiguationMouse,
1464                    weak_ptr_factory_.GetWeakPtr()));
1465   }
1466 }
1467
1468 void RenderWidgetHostViewAura::HideDisambiguationPopup() {
1469   RenderViewHostDelegate* delegate = NULL;
1470   if (host_->IsRenderView())
1471     delegate = RenderViewHost::From(host_)->GetDelegate();
1472   RenderViewHostDelegateView* delegate_view = NULL;
1473   if (delegate)
1474     delegate_view = delegate->GetDelegateView();
1475   if (delegate_view)
1476     delegate_view->HideDisambiguationPopup();
1477 }
1478
1479 void RenderWidgetHostViewAura::ProcessDisambiguationGesture(
1480     ui::GestureEvent* event) {
1481   blink::WebGestureEvent web_gesture = content::MakeWebGestureEvent(*event);
1482   // If we fail to make a WebGestureEvent that is a Tap from the provided event,
1483   // don't forward it to Blink.
1484   if (web_gesture.type < blink::WebInputEvent::Type::GestureTap ||
1485       web_gesture.type > blink::WebInputEvent::Type::GestureTapCancel)
1486     return;
1487
1488   host_->ForwardGestureEvent(web_gesture);
1489 }
1490
1491 void RenderWidgetHostViewAura::ProcessDisambiguationMouse(
1492     ui::MouseEvent* event) {
1493   blink::WebMouseEvent web_mouse = content::MakeWebMouseEvent(*event);
1494   host_->ForwardMouseEvent(web_mouse);
1495 }
1496
1497 bool RenderWidgetHostViewAura::LockMouse() {
1498   aura::Window* root_window = window_->GetRootWindow();
1499   if (!root_window)
1500     return false;
1501
1502   if (mouse_locked_)
1503     return true;
1504
1505   mouse_locked_ = true;
1506 #if !defined(OS_WIN)
1507   window_->SetCapture();
1508 #else
1509   UpdateMouseLockRegion();
1510 #endif
1511   aura::client::CursorClient* cursor_client =
1512       aura::client::GetCursorClient(root_window);
1513   if (cursor_client) {
1514     cursor_client->HideCursor();
1515     cursor_client->LockCursor();
1516   }
1517
1518   if (ShouldMoveToCenter()) {
1519     synthetic_move_sent_ = true;
1520     window_->MoveCursorTo(gfx::Rect(window_->bounds().size()).CenterPoint());
1521   }
1522   tooltip_disabler_.reset(new aura::client::ScopedTooltipDisabler(root_window));
1523   return true;
1524 }
1525
1526 void RenderWidgetHostViewAura::UnlockMouse() {
1527   tooltip_disabler_.reset();
1528
1529   aura::Window* root_window = window_->GetRootWindow();
1530   if (!mouse_locked_ || !root_window)
1531     return;
1532
1533   mouse_locked_ = false;
1534
1535   if (window_->HasCapture())
1536     window_->ReleaseCapture();
1537
1538 #if defined(OS_WIN)
1539   ::ClipCursor(NULL);
1540 #endif
1541
1542   window_->MoveCursorTo(unlocked_mouse_position_);
1543   aura::client::CursorClient* cursor_client =
1544       aura::client::GetCursorClient(root_window);
1545   if (cursor_client) {
1546     cursor_client->UnlockCursor();
1547     cursor_client->ShowCursor();
1548   }
1549
1550   host_->LostMouseLock();
1551 }
1552
1553 ////////////////////////////////////////////////////////////////////////////////
1554 // RenderWidgetHostViewAura, ui::TextInputClient implementation:
1555 void RenderWidgetHostViewAura::SetCompositionText(
1556     const ui::CompositionText& composition) {
1557   if (!host_)
1558     return;
1559
1560   // TODO(suzhe): convert both renderer_host and renderer to use
1561   // ui::CompositionText.
1562   std::vector<blink::WebCompositionUnderline> underlines;
1563   underlines.reserve(composition.underlines.size());
1564   for (std::vector<ui::CompositionUnderline>::const_iterator it =
1565            composition.underlines.begin();
1566        it != composition.underlines.end(); ++it) {
1567     underlines.push_back(
1568         blink::WebCompositionUnderline(static_cast<unsigned>(it->start_offset),
1569                                        static_cast<unsigned>(it->end_offset),
1570                                        it->color,
1571                                        it->thick,
1572                                        it->background_color));
1573   }
1574
1575   // TODO(suzhe): due to a bug of webkit, we can't use selection range with
1576   // composition string. See: https://bugs.webkit.org/show_bug.cgi?id=37788
1577   host_->ImeSetComposition(composition.text, underlines,
1578                            composition.selection.end(),
1579                            composition.selection.end());
1580
1581   has_composition_text_ = !composition.text.empty();
1582 }
1583
1584 void RenderWidgetHostViewAura::ConfirmCompositionText() {
1585   if (host_ && has_composition_text_) {
1586     host_->ImeConfirmComposition(base::string16(), gfx::Range::InvalidRange(),
1587                                  false);
1588   }
1589   has_composition_text_ = false;
1590 }
1591
1592 void RenderWidgetHostViewAura::ClearCompositionText() {
1593   if (host_ && has_composition_text_)
1594     host_->ImeCancelComposition();
1595   has_composition_text_ = false;
1596 }
1597
1598 void RenderWidgetHostViewAura::InsertText(const base::string16& text) {
1599   DCHECK(text_input_type_ != ui::TEXT_INPUT_TYPE_NONE);
1600   if (host_)
1601     host_->ImeConfirmComposition(text, gfx::Range::InvalidRange(), false);
1602   has_composition_text_ = false;
1603 }
1604
1605 void RenderWidgetHostViewAura::InsertChar(base::char16 ch, int flags) {
1606   if (popup_child_host_view_ && popup_child_host_view_->NeedsInputGrab()) {
1607     popup_child_host_view_->InsertChar(ch, flags);
1608     return;
1609   }
1610
1611   // Ignore character messages for VKEY_RETURN sent on CTRL+M. crbug.com/315547
1612   if (host_ && (accept_return_character_ || ch != ui::VKEY_RETURN)) {
1613     double now = ui::EventTimeForNow().InSecondsF();
1614     // Send a blink::WebInputEvent::Char event to |host_|.
1615     NativeWebKeyboardEvent webkit_event(ui::ET_KEY_PRESSED,
1616                                         true /* is_char */,
1617                                         ch,
1618                                         flags,
1619                                         now);
1620     ForwardKeyboardEvent(webkit_event);
1621   }
1622 }
1623
1624 ui::TextInputType RenderWidgetHostViewAura::GetTextInputType() const {
1625   return text_input_type_;
1626 }
1627
1628 ui::TextInputMode RenderWidgetHostViewAura::GetTextInputMode() const {
1629   return text_input_mode_;
1630 }
1631
1632 int RenderWidgetHostViewAura::GetTextInputFlags() const {
1633   return text_input_flags_;
1634 }
1635
1636 bool RenderWidgetHostViewAura::CanComposeInline() const {
1637   return can_compose_inline_;
1638 }
1639
1640 gfx::Rect RenderWidgetHostViewAura::ConvertRectToScreen(
1641     const gfx::Rect& rect) const {
1642   gfx::Point origin = rect.origin();
1643   gfx::Point end = gfx::Point(rect.right(), rect.bottom());
1644
1645   aura::Window* root_window = window_->GetRootWindow();
1646   if (!root_window)
1647     return rect;
1648   aura::client::ScreenPositionClient* screen_position_client =
1649       aura::client::GetScreenPositionClient(root_window);
1650   if (!screen_position_client)
1651     return rect;
1652   screen_position_client->ConvertPointToScreen(window_, &origin);
1653   screen_position_client->ConvertPointToScreen(window_, &end);
1654   return gfx::Rect(origin.x(),
1655                    origin.y(),
1656                    end.x() - origin.x(),
1657                    end.y() - origin.y());
1658 }
1659
1660 gfx::Rect RenderWidgetHostViewAura::ConvertRectFromScreen(
1661     const gfx::Rect& rect) const {
1662   gfx::Point origin = rect.origin();
1663   gfx::Point end = gfx::Point(rect.right(), rect.bottom());
1664
1665   aura::Window* root_window = window_->GetRootWindow();
1666   if (root_window) {
1667     aura::client::ScreenPositionClient* screen_position_client =
1668         aura::client::GetScreenPositionClient(root_window);
1669     screen_position_client->ConvertPointFromScreen(window_, &origin);
1670     screen_position_client->ConvertPointFromScreen(window_, &end);
1671     return gfx::Rect(origin.x(),
1672                      origin.y(),
1673                      end.x() - origin.x(),
1674                      end.y() - origin.y());
1675   }
1676
1677   return rect;
1678 }
1679
1680 gfx::Rect RenderWidgetHostViewAura::GetCaretBounds() const {
1681   return ConvertRectToScreen(
1682       ui::RectBetweenSelectionBounds(selection_anchor_, selection_focus_));
1683 }
1684
1685 bool RenderWidgetHostViewAura::GetCompositionCharacterBounds(
1686     uint32 index,
1687     gfx::Rect* rect) const {
1688   DCHECK(rect);
1689   if (index >= composition_character_bounds_.size())
1690     return false;
1691   *rect = ConvertRectToScreen(composition_character_bounds_[index]);
1692   return true;
1693 }
1694
1695 bool RenderWidgetHostViewAura::HasCompositionText() const {
1696   return has_composition_text_;
1697 }
1698
1699 bool RenderWidgetHostViewAura::GetTextRange(gfx::Range* range) const {
1700   range->set_start(selection_text_offset_);
1701   range->set_end(selection_text_offset_ + selection_text_.length());
1702   return true;
1703 }
1704
1705 bool RenderWidgetHostViewAura::GetCompositionTextRange(
1706     gfx::Range* range) const {
1707   // TODO(suzhe): implement this method when fixing http://crbug.com/55130.
1708   NOTIMPLEMENTED();
1709   return false;
1710 }
1711
1712 bool RenderWidgetHostViewAura::GetSelectionRange(gfx::Range* range) const {
1713   range->set_start(selection_range_.start());
1714   range->set_end(selection_range_.end());
1715   return true;
1716 }
1717
1718 bool RenderWidgetHostViewAura::SetSelectionRange(const gfx::Range& range) {
1719   // TODO(suzhe): implement this method when fixing http://crbug.com/55130.
1720   NOTIMPLEMENTED();
1721   return false;
1722 }
1723
1724 bool RenderWidgetHostViewAura::DeleteRange(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::GetTextFromRange(
1731     const gfx::Range& range,
1732     base::string16* text) const {
1733   gfx::Range selection_text_range(selection_text_offset_,
1734       selection_text_offset_ + selection_text_.length());
1735
1736   if (!selection_text_range.Contains(range)) {
1737     text->clear();
1738     return false;
1739   }
1740   if (selection_text_range.EqualsIgnoringDirection(range)) {
1741     // Avoid calling substr whose performance is low.
1742     *text = selection_text_;
1743   } else {
1744     *text = selection_text_.substr(
1745         range.GetMin() - selection_text_offset_,
1746         range.length());
1747   }
1748   return true;
1749 }
1750
1751 void RenderWidgetHostViewAura::OnInputMethodChanged() {
1752   if (!host_)
1753     return;
1754
1755   // TODO(suzhe): implement the newly added “locale” property of HTML DOM
1756   // TextEvent.
1757 }
1758
1759 bool RenderWidgetHostViewAura::ChangeTextDirectionAndLayoutAlignment(
1760       base::i18n::TextDirection direction) {
1761   if (!host_)
1762     return false;
1763   host_->UpdateTextDirection(
1764       direction == base::i18n::RIGHT_TO_LEFT ?
1765       blink::WebTextDirectionRightToLeft :
1766       blink::WebTextDirectionLeftToRight);
1767   host_->NotifyTextDirection();
1768   return true;
1769 }
1770
1771 void RenderWidgetHostViewAura::ExtendSelectionAndDelete(
1772     size_t before, size_t after) {
1773   RenderFrameHostImpl* rfh = GetFocusedFrame();
1774   if (rfh)
1775     rfh->ExtendSelectionAndDelete(before, after);
1776 }
1777
1778 void RenderWidgetHostViewAura::EnsureCaretInRect(const gfx::Rect& rect) {
1779   gfx::Rect intersected_rect(
1780       gfx::IntersectRects(rect, window_->GetBoundsInScreen()));
1781
1782   if (intersected_rect.IsEmpty())
1783     return;
1784
1785   host_->ScrollFocusedEditableNodeIntoRect(
1786       ConvertRectFromScreen(intersected_rect));
1787 }
1788
1789 bool RenderWidgetHostViewAura::IsEditCommandEnabled(int command_id) {
1790   return false;
1791 }
1792
1793 void RenderWidgetHostViewAura::SetEditCommandForNextKeyEvent(int command_id) {
1794 }
1795
1796 ////////////////////////////////////////////////////////////////////////////////
1797 // RenderWidgetHostViewAura, gfx::DisplayObserver implementation:
1798
1799 void RenderWidgetHostViewAura::OnDisplayAdded(
1800     const gfx::Display& new_display) {
1801 }
1802
1803 void RenderWidgetHostViewAura::OnDisplayRemoved(
1804     const gfx::Display& old_display) {
1805 }
1806
1807 void RenderWidgetHostViewAura::OnDisplayMetricsChanged(
1808     const gfx::Display& display, uint32_t metrics) {
1809   // The screen info should be updated regardless of the metric change.
1810   gfx::Screen* screen = gfx::Screen::GetScreenFor(window_);
1811   if (display.id() == screen->GetDisplayNearestWindow(window_).id()) {
1812     UpdateScreenInfo(window_);
1813     current_cursor_.SetDisplayInfo(display);
1814     UpdateCursorIfOverSelf();
1815   }
1816 }
1817
1818 ////////////////////////////////////////////////////////////////////////////////
1819 // RenderWidgetHostViewAura, aura::WindowDelegate implementation:
1820
1821 gfx::Size RenderWidgetHostViewAura::GetMinimumSize() const {
1822   return gfx::Size();
1823 }
1824
1825 gfx::Size RenderWidgetHostViewAura::GetMaximumSize() const {
1826   return gfx::Size();
1827 }
1828
1829 void RenderWidgetHostViewAura::OnBoundsChanged(const gfx::Rect& old_bounds,
1830                                                const gfx::Rect& new_bounds) {
1831   base::AutoReset<bool> in_bounds_changed(&in_bounds_changed_, true);
1832   // We care about this whenever RenderWidgetHostViewAura is not owned by a
1833   // WebContentsViewAura since changes to the Window's bounds need to be
1834   // messaged to the renderer.  WebContentsViewAura invokes SetSize() or
1835   // SetBounds() itself.  No matter how we got here, any redundant calls are
1836   // harmless.
1837   SetSize(new_bounds.size());
1838
1839   if (GetInputMethod())
1840     GetInputMethod()->OnCaretBoundsChanged(this);
1841 }
1842
1843 gfx::NativeCursor RenderWidgetHostViewAura::GetCursor(const gfx::Point& point) {
1844   if (mouse_locked_)
1845     return ui::kCursorNone;
1846   return current_cursor_.GetNativeCursor();
1847 }
1848
1849 int RenderWidgetHostViewAura::GetNonClientComponent(
1850     const gfx::Point& point) const {
1851   return HTCLIENT;
1852 }
1853
1854 bool RenderWidgetHostViewAura::ShouldDescendIntoChildForEventHandling(
1855     aura::Window* child,
1856     const gfx::Point& location) {
1857   return true;
1858 }
1859
1860 bool RenderWidgetHostViewAura::CanFocus() {
1861   return popup_type_ == blink::WebPopupTypeNone;
1862 }
1863
1864 void RenderWidgetHostViewAura::OnCaptureLost() {
1865   host_->LostCapture();
1866 }
1867
1868 void RenderWidgetHostViewAura::OnPaint(const ui::PaintContext& context) {
1869   NOTREACHED();
1870 }
1871
1872 void RenderWidgetHostViewAura::OnDeviceScaleFactorChanged(
1873     float device_scale_factor) {
1874   if (!host_ || !window_->GetRootWindow())
1875     return;
1876
1877   UpdateScreenInfo(window_);
1878
1879   const gfx::Display display = gfx::Screen::GetScreenFor(window_)->
1880       GetDisplayNearestWindow(window_);
1881   DCHECK_EQ(device_scale_factor, display.device_scale_factor());
1882   current_cursor_.SetDisplayInfo(display);
1883   SnapToPhysicalPixelBoundary();
1884 }
1885
1886 void RenderWidgetHostViewAura::OnWindowDestroying(aura::Window* window) {
1887 #if defined(OS_WIN)
1888   HWND parent = NULL;
1889   // If the tab was hidden and it's closed, host_->is_hidden would have been
1890   // reset to false in RenderWidgetHostImpl::RendererExited.
1891   if (!window_->GetRootWindow() || host_->is_hidden()) {
1892     parent = ui::GetHiddenWindow();
1893   } else {
1894     parent = window_->GetHost()->GetAcceleratedWidget();
1895   }
1896   LPARAM lparam = reinterpret_cast<LPARAM>(this);
1897   EnumChildWindows(parent, WindowDestroyingCallback, lparam);
1898
1899   // The LegacyRenderWidgetHostHWND instance is destroyed when its window is
1900   // destroyed. Normally we control when that happens via the Destroy call
1901   // in the dtor. However there may be cases where the window is destroyed
1902   // by Windows, i.e. the parent window is destroyed before the
1903   // RenderWidgetHostViewAura instance goes away etc. To avoid that we
1904   // destroy the LegacyRenderWidgetHostHWND instance here.
1905   if (legacy_render_widget_host_HWND_) {
1906     legacy_render_widget_host_HWND_->set_host(NULL);
1907     legacy_render_widget_host_HWND_->Destroy();
1908     // The Destroy call above will delete the LegacyRenderWidgetHostHWND
1909     // instance.
1910     legacy_render_widget_host_HWND_ = NULL;
1911   }
1912 #endif
1913
1914   // Make sure that the input method no longer references to this object before
1915   // this object is removed from the root window (i.e. this object loses access
1916   // to the input method).
1917   ui::InputMethod* input_method = GetInputMethod();
1918   if (input_method)
1919     input_method->DetachTextInputClient(this);
1920
1921   if (overscroll_controller_)
1922     overscroll_controller_->Reset();
1923 }
1924
1925 void RenderWidgetHostViewAura::OnWindowDestroyed(aura::Window* window) {
1926   // Ask the RWH to drop reference to us.
1927   if (!is_guest_view_hack_)
1928     host_->ViewDestroyed();
1929
1930   delete this;
1931 }
1932
1933 void RenderWidgetHostViewAura::OnWindowTargetVisibilityChanged(bool visible) {
1934 }
1935
1936 bool RenderWidgetHostViewAura::HasHitTestMask() const {
1937   return false;
1938 }
1939
1940 void RenderWidgetHostViewAura::GetHitTestMask(gfx::Path* mask) const {
1941 }
1942
1943 ////////////////////////////////////////////////////////////////////////////////
1944 // RenderWidgetHostViewAura, ui::EventHandler implementation:
1945
1946 void RenderWidgetHostViewAura::OnKeyEvent(ui::KeyEvent* event) {
1947   TRACE_EVENT0("input", "RenderWidgetHostViewAura::OnKeyEvent");
1948
1949   if (popup_child_host_view_ && popup_child_host_view_->NeedsInputGrab()) {
1950     popup_child_host_view_->OnKeyEvent(event);
1951     if (event->handled())
1952       return;
1953   }
1954
1955   // We need to handle the Escape key for Pepper Flash.
1956   if (is_fullscreen_ && event->key_code() == ui::VKEY_ESCAPE) {
1957     // Focus the window we were created from.
1958     if (host_tracker_.get() && !host_tracker_->windows().empty()) {
1959       aura::Window* host = *(host_tracker_->windows().begin());
1960       aura::client::FocusClient* client = aura::client::GetFocusClient(host);
1961       if (client) {
1962         // Calling host->Focus() may delete |this|. We create a local observer
1963         // for that. In that case we exit without further access to any members.
1964         aura::WindowTracker tracker;
1965         aura::Window* window = window_;
1966         tracker.Add(window);
1967         host->Focus();
1968         if (!tracker.Contains(window)) {
1969           event->SetHandled();
1970           return;
1971         }
1972       }
1973     }
1974     Shutdown();
1975   } else {
1976     if (event->key_code() == ui::VKEY_RETURN) {
1977       // Do not forward return key release events if no press event was handled.
1978       if (event->type() == ui::ET_KEY_RELEASED && !accept_return_character_)
1979         return;
1980       // Accept return key character events between press and release events.
1981       accept_return_character_ = event->type() == ui::ET_KEY_PRESSED;
1982     }
1983
1984     // We don't have to communicate with an input method here.
1985     NativeWebKeyboardEvent webkit_event(*event);
1986     ForwardKeyboardEvent(webkit_event);
1987   }
1988   event->SetHandled();
1989 }
1990
1991 void RenderWidgetHostViewAura::OnMouseEvent(ui::MouseEvent* event) {
1992   TRACE_EVENT0("input", "RenderWidgetHostViewAura::OnMouseEvent");
1993
1994   if (mouse_locked_) {
1995     aura::client::CursorClient* cursor_client =
1996         aura::client::GetCursorClient(window_->GetRootWindow());
1997     DCHECK(!cursor_client || !cursor_client->IsCursorVisible());
1998
1999     if (event->type() == ui::ET_MOUSEWHEEL) {
2000       blink::WebMouseWheelEvent mouse_wheel_event =
2001           MakeWebMouseWheelEvent(static_cast<ui::MouseWheelEvent&>(*event));
2002       if (mouse_wheel_event.deltaX != 0 || mouse_wheel_event.deltaY != 0)
2003         host_->ForwardWheelEvent(mouse_wheel_event);
2004       return;
2005     }
2006
2007     gfx::Point center(gfx::Rect(window_->bounds().size()).CenterPoint());
2008
2009     // If we receive non client mouse messages while we are in the locked state
2010     // it probably means that the mouse left the borders of our window and
2011     // needs to be moved back to the center.
2012     if (event->flags() & ui::EF_IS_NON_CLIENT) {
2013       synthetic_move_sent_ = true;
2014       window_->MoveCursorTo(center);
2015       return;
2016     }
2017
2018     blink::WebMouseEvent mouse_event = MakeWebMouseEvent(*event);
2019
2020     bool is_move_to_center_event = (event->type() == ui::ET_MOUSE_MOVED ||
2021         event->type() == ui::ET_MOUSE_DRAGGED) &&
2022         mouse_event.x == center.x() && mouse_event.y == center.y();
2023
2024     // For fractional scale factors, the conversion from pixels to dip and
2025     // vice versa could result in off by 1 or 2 errors which hurts us because
2026     // we want to avoid sending the artificial move to center event to the
2027     // renderer. Sending the move to center to the renderer cause the cursor
2028     // to bounce around the center of the screen leading to the lock operation
2029     // not working correctly.
2030     // Workaround is to treat a mouse move or drag event off by at most 2 px
2031     // from the center as a move to center event.
2032     if (synthetic_move_sent_ &&
2033         IsFractionalScaleFactor(current_device_scale_factor_)) {
2034       if (event->type() == ui::ET_MOUSE_MOVED ||
2035           event->type() == ui::ET_MOUSE_DRAGGED) {
2036         if ((abs(mouse_event.x - center.x()) <= 2) &&
2037             (abs(mouse_event.y - center.y()) <= 2)) {
2038           is_move_to_center_event = true;
2039         }
2040       }
2041     }
2042
2043     ModifyEventMovementAndCoords(&mouse_event);
2044
2045     bool should_not_forward = is_move_to_center_event && synthetic_move_sent_;
2046     if (should_not_forward) {
2047       synthetic_move_sent_ = false;
2048     } else {
2049       // Check if the mouse has reached the border and needs to be centered.
2050       if (ShouldMoveToCenter()) {
2051         synthetic_move_sent_ = true;
2052         window_->MoveCursorTo(center);
2053       }
2054       bool is_selection_popup = popup_child_host_view_ &&
2055           popup_child_host_view_->NeedsInputGrab();
2056       // Forward event to renderer.
2057       if (CanRendererHandleEvent(event, mouse_locked_, is_selection_popup) &&
2058           !(event->flags() & ui::EF_FROM_TOUCH)) {
2059         host_->ForwardMouseEvent(mouse_event);
2060         // Ensure that we get keyboard focus on mouse down as a plugin window
2061         // may have grabbed keyboard focus.
2062         if (event->type() == ui::ET_MOUSE_PRESSED)
2063           SetKeyboardFocus();
2064       }
2065     }
2066     return;
2067   }
2068
2069   // As the overscroll is handled during scroll events from the trackpad, the
2070   // RWHVA window is transformed by the overscroll controller. This transform
2071   // triggers a synthetic mouse-move event to be generated (by the aura
2072   // RootWindow). But this event interferes with the overscroll gesture. So,
2073   // ignore such synthetic mouse-move events if an overscroll gesture is in
2074   // progress.
2075   if (overscroll_controller_ &&
2076       overscroll_controller_->overscroll_mode() != OVERSCROLL_NONE &&
2077       event->flags() & ui::EF_IS_SYNTHESIZED &&
2078       (event->type() == ui::ET_MOUSE_ENTERED ||
2079        event->type() == ui::ET_MOUSE_EXITED ||
2080        event->type() == ui::ET_MOUSE_MOVED)) {
2081     event->StopPropagation();
2082     return;
2083   }
2084
2085   if (event->type() == ui::ET_MOUSEWHEEL) {
2086 #if defined(OS_WIN)
2087     // We get mouse wheel/scroll messages even if we are not in the foreground.
2088     // So here we check if we have any owned popup windows in the foreground and
2089     // dismiss them.
2090     aura::WindowTreeHost* host = window_->GetHost();
2091     if (host) {
2092       HWND parent = host->GetAcceleratedWidget();
2093       HWND toplevel_hwnd = ::GetAncestor(parent, GA_ROOT);
2094       EnumThreadWindows(GetCurrentThreadId(),
2095                         DismissOwnedPopups,
2096                         reinterpret_cast<LPARAM>(toplevel_hwnd));
2097     }
2098 #endif
2099     // The Disambiguation popup does not parent itself from this window, so we
2100     // manually dismiss it.
2101     HideDisambiguationPopup();
2102
2103     blink::WebMouseWheelEvent mouse_wheel_event =
2104         MakeWebMouseWheelEvent(static_cast<ui::MouseWheelEvent&>(*event));
2105     if (mouse_wheel_event.deltaX != 0 || mouse_wheel_event.deltaY != 0) {
2106       if (host_->delegate() && host_->delegate()->GetInputEventRouter()) {
2107         host_->delegate()->GetInputEventRouter()->RouteMouseWheelEvent(
2108             this, &mouse_wheel_event);
2109       } else {
2110         ProcessMouseWheelEvent(mouse_wheel_event);
2111       }
2112     }
2113   } else {
2114     bool is_selection_popup =
2115         popup_child_host_view_ && popup_child_host_view_->NeedsInputGrab();
2116     if (CanRendererHandleEvent(event, mouse_locked_, is_selection_popup) &&
2117         !(event->flags() & ui::EF_FROM_TOUCH)) {
2118       // Confirm existing composition text on mouse press, to make sure
2119       // the input caret won't be moved with an ongoing composition text.
2120       if (event->type() == ui::ET_MOUSE_PRESSED)
2121         FinishImeCompositionSession();
2122
2123       blink::WebMouseEvent mouse_event = MakeWebMouseEvent(*event);
2124       ModifyEventMovementAndCoords(&mouse_event);
2125       if (host_->delegate() && host_->delegate()->GetInputEventRouter()) {
2126         host_->delegate()->GetInputEventRouter()->RouteMouseEvent(this,
2127                                                                   &mouse_event);
2128       } else {
2129         ProcessMouseEvent(mouse_event);
2130       }
2131
2132       // Ensure that we get keyboard focus on mouse down as a plugin window may
2133       // have grabbed keyboard focus.
2134       if (event->type() == ui::ET_MOUSE_PRESSED)
2135         SetKeyboardFocus();
2136     }
2137   }
2138
2139   switch (event->type()) {
2140     case ui::ET_MOUSE_PRESSED:
2141       window_->SetCapture();
2142       break;
2143     case ui::ET_MOUSE_RELEASED:
2144       if (!NeedsMouseCapture())
2145         window_->ReleaseCapture();
2146       break;
2147     default:
2148       break;
2149   }
2150
2151   // Needed to propagate mouse event to |window_->parent()->delegate()|, but
2152   // note that it might be something other than a WebContentsViewAura instance.
2153   // TODO(pkotwicz): Find a better way of doing this.
2154   // In fullscreen mode which is typically used by flash, don't forward
2155   // the mouse events to the parent. The renderer and the plugin process
2156   // handle these events.
2157   if (!is_fullscreen_ && window_->parent() && window_->parent()->delegate() &&
2158       !(event->flags() & ui::EF_FROM_TOUCH)) {
2159     event->ConvertLocationToTarget(window_, window_->parent());
2160     window_->parent()->delegate()->OnMouseEvent(event);
2161   }
2162
2163   if (!IsXButtonUpEvent(event))
2164     event->SetHandled();
2165 }
2166
2167 uint32_t RenderWidgetHostViewAura::SurfaceIdNamespaceAtPoint(
2168     const gfx::Point& point,
2169     gfx::Point* transformed_point) {
2170   cc::SurfaceId id =
2171       delegated_frame_host_->SurfaceIdAtPoint(point, transformed_point);
2172   // It is possible that the renderer has not yet produced a surface, in which
2173   // case we return our current namespace.
2174   if (id.is_null())
2175     return GetSurfaceIdNamespace();
2176   return cc::SurfaceIdAllocator::NamespaceForId(id);
2177 }
2178
2179 void RenderWidgetHostViewAura::ProcessMouseEvent(
2180     const blink::WebMouseEvent& event) {
2181   host_->ForwardMouseEvent(event);
2182 }
2183
2184 void RenderWidgetHostViewAura::ProcessMouseWheelEvent(
2185     const blink::WebMouseWheelEvent& event) {
2186   host_->ForwardWheelEvent(event);
2187 }
2188
2189 void RenderWidgetHostViewAura::OnScrollEvent(ui::ScrollEvent* event) {
2190   TRACE_EVENT0("input", "RenderWidgetHostViewAura::OnScrollEvent");
2191
2192   if (event->type() == ui::ET_SCROLL) {
2193 #if !defined(OS_WIN)
2194     // TODO(ananta)
2195     // Investigate if this is true for Windows 8 Metro ASH as well.
2196     if (event->finger_count() != 2)
2197       return;
2198 #endif
2199     blink::WebGestureEvent gesture_event =
2200         MakeWebGestureEventFlingCancel();
2201     host_->ForwardGestureEvent(gesture_event);
2202     blink::WebMouseWheelEvent mouse_wheel_event =
2203         MakeWebMouseWheelEvent(*event);
2204     host_->ForwardWheelEvent(mouse_wheel_event);
2205     RecordAction(base::UserMetricsAction("TrackpadScroll"));
2206   } else if (event->type() == ui::ET_SCROLL_FLING_START ||
2207              event->type() == ui::ET_SCROLL_FLING_CANCEL) {
2208     blink::WebGestureEvent gesture_event = MakeWebGestureEvent(*event);
2209     host_->ForwardGestureEvent(gesture_event);
2210     if (event->type() == ui::ET_SCROLL_FLING_START)
2211       RecordAction(base::UserMetricsAction("TrackpadScrollFling"));
2212   }
2213
2214   event->SetHandled();
2215 }
2216
2217 void RenderWidgetHostViewAura::OnTouchEvent(ui::TouchEvent* event) {
2218   TRACE_EVENT0("input", "RenderWidgetHostViewAura::OnTouchEvent");
2219
2220   bool had_no_pointer = !pointer_state_.GetPointerCount();
2221
2222   // Update the touch event first.
2223   if (!pointer_state_.OnTouch(*event)) {
2224     event->StopPropagation();
2225     return;
2226   }
2227
2228   blink::WebTouchEvent touch_event;
2229   bool handled = selection_controller_->WillHandleTouchEvent(pointer_state_);
2230   if (handled) {
2231     event->SetHandled();
2232   } else {
2233     touch_event = ui::CreateWebTouchEventFromMotionEvent(
2234         pointer_state_, event->may_cause_scrolling());
2235   }
2236   pointer_state_.CleanupRemovedTouchPoints(*event);
2237
2238   if (handled)
2239     return;
2240
2241   if (had_no_pointer)
2242     selection_controller_client_->OnTouchDown();
2243   if (!pointer_state_.GetPointerCount())
2244     selection_controller_client_->OnTouchUp();
2245
2246   // It is important to always mark events as being handled asynchronously when
2247   // they are forwarded. This ensures that the current event does not get
2248   // processed by the gesture recognizer before events currently awaiting
2249   // dispatch in the touch queue.
2250   event->DisableSynchronousHandling();
2251
2252   // Set unchanged touch point to StateStationary for touchmove and
2253   // touchcancel to make sure only send one ack per WebTouchEvent.
2254   MarkUnchangedTouchPointsAsStationary(&touch_event, event->touch_id());
2255   host_->ForwardTouchEventWithLatencyInfo(touch_event, *event->latency());
2256 }
2257
2258 void RenderWidgetHostViewAura::OnGestureEvent(ui::GestureEvent* event) {
2259   TRACE_EVENT0("input", "RenderWidgetHostViewAura::OnGestureEvent");
2260
2261   if ((event->type() == ui::ET_GESTURE_PINCH_BEGIN ||
2262       event->type() == ui::ET_GESTURE_PINCH_UPDATE ||
2263       event->type() == ui::ET_GESTURE_PINCH_END) && !pinch_zoom_enabled_) {
2264     event->SetHandled();
2265     return;
2266   }
2267
2268   HandleGestureForTouchSelection(event);
2269   if (event->handled())
2270     return;
2271
2272   // Confirm existing composition text on TAP gesture, to make sure the input
2273   // caret won't be moved with an ongoing composition text.
2274   if (event->type() == ui::ET_GESTURE_TAP)
2275     FinishImeCompositionSession();
2276
2277   blink::WebGestureEvent gesture = MakeWebGestureEvent(*event);
2278   if (event->type() == ui::ET_GESTURE_TAP_DOWN) {
2279     // Webkit does not stop a fling-scroll on tap-down. So explicitly send an
2280     // event to stop any in-progress flings.
2281     blink::WebGestureEvent fling_cancel = gesture;
2282     fling_cancel.type = blink::WebInputEvent::GestureFlingCancel;
2283     fling_cancel.sourceDevice = blink::WebGestureDeviceTouchscreen;
2284     host_->ForwardGestureEvent(fling_cancel);
2285   }
2286
2287   if (gesture.type != blink::WebInputEvent::Undefined) {
2288     host_->ForwardGestureEventWithLatencyInfo(gesture, *event->latency());
2289
2290     if (event->type() == ui::ET_GESTURE_SCROLL_BEGIN ||
2291         event->type() == ui::ET_GESTURE_SCROLL_UPDATE ||
2292         event->type() == ui::ET_GESTURE_SCROLL_END) {
2293       RecordAction(base::UserMetricsAction("TouchscreenScroll"));
2294     } else if (event->type() == ui::ET_SCROLL_FLING_START) {
2295       RecordAction(base::UserMetricsAction("TouchscreenScrollFling"));
2296     }
2297   }
2298
2299   // If a gesture is not processed by the webpage, then WebKit processes it
2300   // (e.g. generates synthetic mouse events).
2301   event->SetHandled();
2302 }
2303
2304 ////////////////////////////////////////////////////////////////////////////////
2305 // RenderWidgetHostViewAura, aura::client::ActivationDelegate implementation:
2306
2307 bool RenderWidgetHostViewAura::ShouldActivate() const {
2308   aura::WindowTreeHost* host = window_->GetHost();
2309   if (!host)
2310     return true;
2311   const ui::Event* event = host->dispatcher()->current_event();
2312   if (!event)
2313     return true;
2314   return is_fullscreen_;
2315 }
2316
2317 ////////////////////////////////////////////////////////////////////////////////
2318 // RenderWidgetHostViewAura, aura::client::CursorClientObserver implementation:
2319
2320 void RenderWidgetHostViewAura::OnCursorVisibilityChanged(bool is_visible) {
2321   NotifyRendererOfCursorVisibilityState(is_visible);
2322 }
2323
2324 ////////////////////////////////////////////////////////////////////////////////
2325 // RenderWidgetHostViewAura, aura::client::FocusChangeObserver implementation:
2326
2327 void RenderWidgetHostViewAura::OnWindowFocused(aura::Window* gained_focus,
2328                                                aura::Window* lost_focus) {
2329   DCHECK(window_ == gained_focus || window_ == lost_focus);
2330   if (window_ == gained_focus) {
2331     // We need to honor input bypass if the associated tab is does not want
2332     // input. This gives the current focused window a chance to be the text
2333     // input client and handle events.
2334     if (host_->ignore_input_events())
2335       return;
2336
2337     host_->GotFocus();
2338     host_->SetActive(true);
2339
2340     ui::InputMethod* input_method = GetInputMethod();
2341     if (input_method) {
2342       // Ask the system-wide IME to send all TextInputClient messages to |this|
2343       // object.
2344       input_method->SetFocusedTextInputClient(this);
2345
2346       // Often the application can set focus to the view in response to a key
2347       // down. However the following char event shouldn't be sent to the web
2348       // page.
2349       host_->SuppressNextCharEvents();
2350     }
2351
2352     BrowserAccessibilityManager* manager =
2353         host_->GetRootBrowserAccessibilityManager();
2354     if (manager)
2355       manager->OnWindowFocused();
2356   } else if (window_ == lost_focus) {
2357     host_->SetActive(false);
2358     host_->Blur();
2359
2360     DetachFromInputMethod();
2361
2362     selection_controller_->HideAndDisallowShowingAutomatically();
2363
2364     if (overscroll_controller_)
2365       overscroll_controller_->Cancel();
2366
2367     BrowserAccessibilityManager* manager =
2368         host_->GetRootBrowserAccessibilityManager();
2369     if (manager)
2370       manager->OnWindowBlurred();
2371
2372     // If we lose the focus while fullscreen, close the window; Pepper Flash
2373     // won't do it for us (unlike NPAPI Flash). However, we do not close the
2374     // window if we lose the focus to a window on another display.
2375     gfx::Screen* screen = gfx::Screen::GetScreenFor(window_);
2376     bool focusing_other_display =
2377         gained_focus && screen->GetNumDisplays() > 1 &&
2378         (screen->GetDisplayNearestWindow(window_).id() !=
2379          screen->GetDisplayNearestWindow(gained_focus).id());
2380     if (is_fullscreen_ && !in_shutdown_ && !focusing_other_display) {
2381 #if defined(OS_WIN)
2382       // On Windows, if we are switching to a non Aura Window on a different
2383       // screen we should not close the fullscreen window.
2384       if (!gained_focus) {
2385         POINT point = {0};
2386         ::GetCursorPos(&point);
2387         if (screen->GetDisplayNearestWindow(window_).id() !=
2388             screen->GetDisplayNearestPoint(gfx::Point(point)).id())
2389           return;
2390       }
2391 #endif
2392       Shutdown();
2393       return;
2394     }
2395
2396     // Close the child popup window if we lose focus (e.g. due to a JS alert or
2397     // system modal dialog). This is particularly important if
2398     // |popup_child_host_view_| has mouse capture.
2399     if (popup_child_host_view_)
2400       popup_child_host_view_->Shutdown();
2401   }
2402 }
2403
2404 ////////////////////////////////////////////////////////////////////////////////
2405 // RenderWidgetHostViewAura, aura::WindowTreeHostObserver implementation:
2406
2407 void RenderWidgetHostViewAura::OnHostMoved(const aura::WindowTreeHost* host,
2408                                            const gfx::Point& new_origin) {
2409   TRACE_EVENT1("ui", "RenderWidgetHostViewAura::OnHostMoved",
2410                "new_origin", new_origin.ToString());
2411
2412   UpdateScreenInfo(window_);
2413 }
2414
2415 ////////////////////////////////////////////////////////////////////////////////
2416 // RenderWidgetHostViewAura, private:
2417
2418 RenderWidgetHostViewAura::~RenderWidgetHostViewAura() {
2419   selection_controller_.reset();
2420   selection_controller_client_.reset();
2421
2422   if (UseSurfacesEnabled() && host_->delegate() &&
2423       host_->delegate()->GetInputEventRouter()) {
2424     host_->delegate()->GetInputEventRouter()->RemoveSurfaceIdNamespaceOwner(
2425         GetSurfaceIdNamespace());
2426   }
2427   delegated_frame_host_.reset();
2428   window_observer_.reset();
2429   if (window_->GetHost())
2430     window_->GetHost()->RemoveObserver(this);
2431   UnlockMouse();
2432   if (popup_parent_host_view_) {
2433     DCHECK(popup_parent_host_view_->popup_child_host_view_ == NULL ||
2434            popup_parent_host_view_->popup_child_host_view_ == this);
2435     popup_parent_host_view_->popup_child_host_view_ = NULL;
2436   }
2437   if (popup_child_host_view_) {
2438     DCHECK(popup_child_host_view_->popup_parent_host_view_ == NULL ||
2439            popup_child_host_view_->popup_parent_host_view_ == this);
2440     popup_child_host_view_->popup_parent_host_view_ = NULL;
2441   }
2442   event_filter_for_popup_exit_.reset();
2443   aura::client::SetTooltipText(window_, NULL);
2444   gfx::Screen::GetScreenFor(window_)->RemoveObserver(this);
2445
2446   // This call is usually no-op since |this| object is already removed from the
2447   // Aura root window and we don't have a way to get an input method object
2448   // associated with the window, but just in case.
2449   DetachFromInputMethod();
2450
2451 #if defined(OS_WIN)
2452   // The LegacyRenderWidgetHostHWND window should have been destroyed in
2453   // RenderWidgetHostViewAura::OnWindowDestroying and the pointer should
2454   // be set to NULL.
2455   DCHECK(!legacy_render_widget_host_HWND_);
2456 #endif
2457 }
2458
2459 void RenderWidgetHostViewAura::UpdateCursorIfOverSelf() {
2460   if (host_->GetProcess()->FastShutdownStarted())
2461     return;
2462
2463   aura::Window* root_window = window_->GetRootWindow();
2464   if (!root_window)
2465     return;
2466
2467   gfx::Point root_window_point =
2468       gfx::Screen::GetScreenFor(GetNativeView())->GetCursorScreenPoint();
2469   aura::client::ScreenPositionClient* screen_position_client =
2470       aura::client::GetScreenPositionClient(root_window);
2471   if (screen_position_client) {
2472     screen_position_client->ConvertPointFromScreen(
2473         root_window, &root_window_point);
2474   }
2475
2476   if (root_window->GetEventHandlerForPoint(root_window_point) != window_)
2477     return;
2478
2479   gfx::NativeCursor cursor = current_cursor_.GetNativeCursor();
2480   // Do not show loading cursor when the cursor is currently hidden.
2481   if (is_loading_ && cursor != ui::kCursorNone)
2482     cursor = ui::kCursorPointer;
2483
2484   aura::client::CursorClient* cursor_client =
2485       aura::client::GetCursorClient(root_window);
2486   if (cursor_client) {
2487     cursor_client->SetCursor(cursor);
2488   }
2489 }
2490
2491 ui::InputMethod* RenderWidgetHostViewAura::GetInputMethod() const {
2492   aura::Window* root_window = window_->GetRootWindow();
2493   if (!root_window)
2494     return NULL;
2495   return root_window->GetHost()->GetInputMethod();
2496 }
2497
2498 void RenderWidgetHostViewAura::Shutdown() {
2499   if (!in_shutdown_) {
2500     in_shutdown_ = true;
2501     host_->Shutdown();
2502   }
2503 }
2504
2505 bool RenderWidgetHostViewAura::NeedsInputGrab() {
2506   return popup_type_ == blink::WebPopupTypePage;
2507 }
2508
2509 bool RenderWidgetHostViewAura::NeedsMouseCapture() {
2510 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
2511   return NeedsInputGrab();
2512 #endif
2513   return false;
2514 }
2515
2516 void RenderWidgetHostViewAura::FinishImeCompositionSession() {
2517   if (!has_composition_text_)
2518     return;
2519   if (host_) {
2520     host_->ImeConfirmComposition(base::string16(), gfx::Range::InvalidRange(),
2521                                  false);
2522   }
2523   ImeCancelComposition();
2524 }
2525
2526 void RenderWidgetHostViewAura::ModifyEventMovementAndCoords(
2527     blink::WebMouseEvent* event) {
2528   // If the mouse has just entered, we must report zero movementX/Y. Hence we
2529   // reset any global_mouse_position set previously.
2530   if (event->type == blink::WebInputEvent::MouseEnter ||
2531       event->type == blink::WebInputEvent::MouseLeave)
2532     global_mouse_position_.SetPoint(event->globalX, event->globalY);
2533
2534   // Movement is computed by taking the difference of the new cursor position
2535   // and the previous. Under mouse lock the cursor will be warped back to the
2536   // center so that we are not limited by clipping boundaries.
2537   // We do not measure movement as the delta from cursor to center because
2538   // we may receive more mouse movement events before our warp has taken
2539   // effect.
2540   event->movementX = event->globalX - global_mouse_position_.x();
2541   event->movementY = event->globalY - global_mouse_position_.y();
2542
2543   global_mouse_position_.SetPoint(event->globalX, event->globalY);
2544
2545   // Under mouse lock, coordinates of mouse are locked to what they were when
2546   // mouse lock was entered.
2547   if (mouse_locked_) {
2548     event->x = unlocked_mouse_position_.x();
2549     event->y = unlocked_mouse_position_.y();
2550     event->windowX = unlocked_mouse_position_.x();
2551     event->windowY = unlocked_mouse_position_.y();
2552     event->globalX = unlocked_global_mouse_position_.x();
2553     event->globalY = unlocked_global_mouse_position_.y();
2554   } else {
2555     unlocked_mouse_position_.SetPoint(event->x, event->y);
2556     unlocked_global_mouse_position_.SetPoint(event->globalX, event->globalY);
2557   }
2558 }
2559
2560 void RenderWidgetHostViewAura::NotifyRendererOfCursorVisibilityState(
2561     bool is_visible) {
2562   if (host_->is_hidden() ||
2563       (cursor_visibility_state_in_renderer_ == VISIBLE && is_visible) ||
2564       (cursor_visibility_state_in_renderer_ == NOT_VISIBLE && !is_visible))
2565     return;
2566
2567   cursor_visibility_state_in_renderer_ = is_visible ? VISIBLE : NOT_VISIBLE;
2568   host_->SendCursorVisibilityState(is_visible);
2569 }
2570
2571 void RenderWidgetHostViewAura::SetOverscrollControllerEnabled(bool enabled) {
2572   if (!enabled)
2573     overscroll_controller_.reset();
2574   else if (!overscroll_controller_)
2575     overscroll_controller_.reset(new OverscrollController());
2576 }
2577
2578 void RenderWidgetHostViewAura::SnapToPhysicalPixelBoundary() {
2579   // The top left corner of our view in window coordinates might not land on a
2580   // device pixel boundary if we have a non-integer device scale. In that case,
2581   // to avoid the web contents area looking blurry we translate the web contents
2582   // in the +x, +y direction to land on the nearest pixel boundary. This may
2583   // cause the bottom and right edges to be clipped slightly, but that's ok.
2584   aura::Window* snapped = NULL;
2585   // On desktop, use the root window. On alternative environment (ash),
2586   // use the toplevel window which must be already snapped.
2587   if (gfx::Screen::GetScreenFor(window_) !=
2588       gfx::Screen::GetScreenByType(gfx::SCREEN_TYPE_ALTERNATE)) {
2589     snapped = window_->GetRootWindow();
2590   } else {
2591     snapped = window_->GetToplevelWindow();
2592   }
2593   if (snapped && snapped != window_)
2594     ui::SnapLayerToPhysicalPixelBoundary(snapped->layer(), window_->layer());
2595
2596   has_snapped_to_boundary_ = true;
2597 }
2598
2599 void RenderWidgetHostViewAura::OnShowContextMenu() {
2600 #if defined(OS_WIN)
2601   showing_context_menu_ = true;
2602 #endif
2603 }
2604
2605 void RenderWidgetHostViewAura::SetSelectionControllerClientForTest(
2606     scoped_ptr<TouchSelectionControllerClientAura> client) {
2607   selection_controller_client_.swap(client);
2608   CreateSelectionController();
2609 }
2610
2611 void RenderWidgetHostViewAura::InternalSetBounds(const gfx::Rect& rect) {
2612   SnapToPhysicalPixelBoundary();
2613   // Don't recursively call SetBounds if this bounds update is the result of
2614   // a Window::SetBoundsInternal call.
2615   if (!in_bounds_changed_)
2616     window_->SetBounds(rect);
2617   host_->WasResized();
2618   delegated_frame_host_->WasResized();
2619 #if defined(OS_WIN)
2620   // Create the legacy dummy window which corresponds to the bounds of the
2621   // webcontents. This will be passed as the container window for windowless
2622   // plugins.
2623   // Plugins like Flash assume the container window which is returned via the
2624   // NPNVnetscapeWindow property corresponds to the bounds of the webpage.
2625   // This is not true in Aura where we have only HWND which is the main Aura
2626   // window. If we return this window to plugins like Flash then it causes the
2627   // coordinate translations done by these plugins to break.
2628   // Additonally the legacy dummy window is needed for accessibility and for
2629   // scrolling to work in legacy drivers for trackpoints/trackpads, etc.
2630   if (!legacy_window_destroyed_ && GetNativeViewId()) {
2631     if (!legacy_render_widget_host_HWND_) {
2632       legacy_render_widget_host_HWND_ = LegacyRenderWidgetHostHWND::Create(
2633           reinterpret_cast<HWND>(GetNativeViewId()));
2634     }
2635     if (legacy_render_widget_host_HWND_) {
2636       legacy_render_widget_host_HWND_->set_host(this);
2637       legacy_render_widget_host_HWND_->SetBounds(
2638           window_->GetBoundsInRootWindow());
2639       // There are cases where the parent window is created, made visible and
2640       // the associated RenderWidget is also visible before the
2641       // LegacyRenderWidgetHostHWND instace is created. Ensure that it is shown
2642       // here.
2643       if (!host_->is_hidden())
2644         legacy_render_widget_host_HWND_->Show();
2645     }
2646   }
2647
2648   if (mouse_locked_)
2649     UpdateMouseLockRegion();
2650 #endif
2651 }
2652
2653 void RenderWidgetHostViewAura::SchedulePaintIfNotInClip(
2654     const gfx::Rect& rect,
2655     const gfx::Rect& clip) {
2656   if (!clip.IsEmpty()) {
2657     gfx::Rect to_paint = gfx::SubtractRects(rect, clip);
2658     if (!to_paint.IsEmpty())
2659       window_->SchedulePaintInRect(to_paint);
2660   } else {
2661     window_->SchedulePaintInRect(rect);
2662   }
2663 }
2664
2665 bool RenderWidgetHostViewAura::ShouldMoveToCenter() {
2666   gfx::Rect rect = window_->bounds();
2667   rect = ConvertRectToScreen(rect);
2668   int border_x = rect.width() * kMouseLockBorderPercentage / 100;
2669   int border_y = rect.height() * kMouseLockBorderPercentage / 100;
2670
2671   return global_mouse_position_.x() < rect.x() + border_x ||
2672       global_mouse_position_.x() > rect.right() - border_x ||
2673       global_mouse_position_.y() < rect.y() + border_y ||
2674       global_mouse_position_.y() > rect.bottom() - border_y;
2675 }
2676
2677 void RenderWidgetHostViewAura::AddedToRootWindow() {
2678   window_->GetHost()->AddObserver(this);
2679   UpdateScreenInfo(window_);
2680
2681   aura::client::CursorClient* cursor_client =
2682       aura::client::GetCursorClient(window_->GetRootWindow());
2683   if (cursor_client) {
2684     cursor_client->AddObserver(this);
2685     NotifyRendererOfCursorVisibilityState(cursor_client->IsCursorVisible());
2686   }
2687   if (HasFocus()) {
2688     ui::InputMethod* input_method = GetInputMethod();
2689     if (input_method)
2690       input_method->SetFocusedTextInputClient(this);
2691   }
2692
2693 #if defined(OS_WIN)
2694   // The parent may have changed here. Ensure that the legacy window is
2695   // reparented accordingly.
2696   if (legacy_render_widget_host_HWND_)
2697     legacy_render_widget_host_HWND_->UpdateParent(
2698         reinterpret_cast<HWND>(GetNativeViewId()));
2699 #endif
2700
2701   delegated_frame_host_->SetCompositor(window_->GetHost()->compositor());
2702   if (window_->GetHost()->compositor())
2703     begin_frame_observer_proxy_.SetCompositor(window_->GetHost()->compositor());
2704 }
2705
2706 void RenderWidgetHostViewAura::RemovingFromRootWindow() {
2707   aura::client::CursorClient* cursor_client =
2708       aura::client::GetCursorClient(window_->GetRootWindow());
2709   if (cursor_client)
2710     cursor_client->RemoveObserver(this);
2711
2712   DetachFromInputMethod();
2713
2714   window_->GetHost()->RemoveObserver(this);
2715   delegated_frame_host_->ResetCompositor();
2716   begin_frame_observer_proxy_.ResetCompositor();
2717
2718 #if defined(OS_WIN)
2719   // Update the legacy window's parent temporarily to the desktop window. It
2720   // will eventually get reparented to the right root.
2721   if (legacy_render_widget_host_HWND_)
2722     legacy_render_widget_host_HWND_->UpdateParent(::GetDesktopWindow());
2723 #endif
2724 }
2725
2726 void RenderWidgetHostViewAura::DetachFromInputMethod() {
2727   ui::InputMethod* input_method = GetInputMethod();
2728   if (input_method)
2729     input_method->DetachTextInputClient(this);
2730 }
2731
2732 void RenderWidgetHostViewAura::ForwardKeyboardEvent(
2733     const NativeWebKeyboardEvent& event) {
2734 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
2735   ui::TextEditKeyBindingsDelegateAuraLinux* keybinding_delegate =
2736       ui::GetTextEditKeyBindingsDelegate();
2737   std::vector<ui::TextEditCommandAuraLinux> commands;
2738   if (!event.skip_in_browser &&
2739       keybinding_delegate &&
2740       event.os_event &&
2741       keybinding_delegate->MatchEvent(*event.os_event, &commands)) {
2742     // Transform from ui/ types to content/ types.
2743     EditCommands edit_commands;
2744     for (std::vector<ui::TextEditCommandAuraLinux>::const_iterator it =
2745              commands.begin(); it != commands.end(); ++it) {
2746       edit_commands.push_back(EditCommand(it->GetCommandString(),
2747                                           it->argument()));
2748     }
2749     host_->Send(new InputMsg_SetEditCommandsForNextKeyEvent(
2750         host_->GetRoutingID(), edit_commands));
2751     NativeWebKeyboardEvent copy_event(event);
2752     copy_event.match_edit_command = true;
2753     host_->ForwardKeyboardEvent(copy_event);
2754     return;
2755   }
2756 #endif
2757
2758   host_->ForwardKeyboardEvent(event);
2759 }
2760
2761 void RenderWidgetHostViewAura::SelectionUpdated(bool is_editable,
2762                                                 bool is_empty_text_form_control,
2763                                                 const ui::SelectionBound& start,
2764                                                 const ui::SelectionBound& end) {
2765   selection_controller_->OnSelectionEditable(is_editable);
2766   selection_controller_->OnSelectionEmpty(is_empty_text_form_control);
2767   selection_controller_->OnSelectionBoundsChanged(start, end);
2768 }
2769
2770 void RenderWidgetHostViewAura::CreateSelectionController() {
2771   ui::TouchSelectionController::Config tsc_config;
2772   tsc_config.max_tap_duration = base::TimeDelta::FromMilliseconds(
2773       ui::GestureConfiguration::GetInstance()->long_press_time_in_ms());
2774   tsc_config.tap_slop = ui::GestureConfiguration::GetInstance()
2775                             ->max_touch_move_in_pixels_for_click();
2776   tsc_config.show_on_tap_for_empty_editable = true;
2777   tsc_config.enable_longpress_drag_selection = false;
2778   selection_controller_.reset(new ui::TouchSelectionController(
2779       selection_controller_client_.get(), tsc_config));
2780 }
2781
2782 void RenderWidgetHostViewAura::HandleGestureForTouchSelection(
2783     ui::GestureEvent* event) {
2784   switch (event->type()) {
2785     case ui::ET_GESTURE_LONG_PRESS:
2786       if (selection_controller_->WillHandleLongPressEvent(
2787               base::TimeTicks() + event->time_stamp(), event->location_f())) {
2788         event->SetHandled();
2789       }
2790       break;
2791     case ui::ET_GESTURE_TAP:
2792       if (selection_controller_->WillHandleTapEvent(event->location_f()))
2793         event->SetHandled();
2794       break;
2795     case ui::ET_GESTURE_SCROLL_BEGIN:
2796       selection_controller_client_->OnScrollStarted();
2797       break;
2798     case ui::ET_GESTURE_SCROLL_END:
2799       selection_controller_client_->OnScrollCompleted();
2800       break;
2801     default:
2802       break;
2803   }
2804 }
2805
2806 ////////////////////////////////////////////////////////////////////////////////
2807 // DelegatedFrameHost, public:
2808
2809 ui::Layer* RenderWidgetHostViewAura::DelegatedFrameHostGetLayer() const {
2810   return window_->layer();
2811 }
2812
2813 bool RenderWidgetHostViewAura::DelegatedFrameHostIsVisible() const {
2814   return !host_->is_hidden();
2815 }
2816
2817 gfx::Size RenderWidgetHostViewAura::DelegatedFrameHostDesiredSizeInDIP() const {
2818   return window_->bounds().size();
2819 }
2820
2821 bool RenderWidgetHostViewAura::DelegatedFrameCanCreateResizeLock() const {
2822 #if !defined(OS_CHROMEOS)
2823   // On Windows and Linux, holding pointer moves will not help throttling
2824   // resizes.
2825   // TODO(piman): on Windows we need to block (nested message loop?) the
2826   // WM_SIZE event. On Linux we need to throttle at the WM level using
2827   // _NET_WM_SYNC_REQUEST.
2828   return false;
2829 #else
2830   if (host_->auto_resize_enabled())
2831     return false;
2832   return true;
2833 #endif
2834 }
2835
2836 scoped_ptr<ResizeLock>
2837 RenderWidgetHostViewAura::DelegatedFrameHostCreateResizeLock(
2838     bool defer_compositor_lock) {
2839   gfx::Size desired_size = window_->bounds().size();
2840   return scoped_ptr<ResizeLock>(new CompositorResizeLock(
2841       window_->GetHost(),
2842       desired_size,
2843       defer_compositor_lock,
2844       base::TimeDelta::FromMilliseconds(kResizeLockTimeoutMs)));
2845 }
2846
2847 void RenderWidgetHostViewAura::DelegatedFrameHostResizeLockWasReleased() {
2848   host_->WasResized();
2849 }
2850
2851 void RenderWidgetHostViewAura::DelegatedFrameHostSendCompositorSwapAck(
2852     int output_surface_id,
2853     const cc::CompositorFrameAck& ack) {
2854   host_->Send(new ViewMsg_SwapCompositorFrameAck(host_->GetRoutingID(),
2855                                                  output_surface_id, ack));
2856 }
2857
2858 void RenderWidgetHostViewAura::DelegatedFrameHostSendReclaimCompositorResources(
2859     int output_surface_id,
2860     const cc::CompositorFrameAck& ack) {
2861   host_->Send(new ViewMsg_ReclaimCompositorResources(host_->GetRoutingID(),
2862                                                      output_surface_id, ack));
2863 }
2864
2865 void RenderWidgetHostViewAura::DelegatedFrameHostOnLostCompositorResources() {
2866   host_->ScheduleComposite();
2867 }
2868
2869 void RenderWidgetHostViewAura::DelegatedFrameHostUpdateVSyncParameters(
2870     const base::TimeTicks& timebase,
2871     const base::TimeDelta& interval) {
2872   host_->UpdateVSyncParameters(timebase, interval);
2873 }
2874
2875 void RenderWidgetHostViewAura::OnDidNavigateMainFrameToNewPage() {
2876   ui::GestureRecognizer::Get()->CancelActiveTouches(window_);
2877 }
2878
2879 uint32_t RenderWidgetHostViewAura::GetSurfaceIdNamespace() {
2880   return delegated_frame_host_->GetSurfaceIdNamespace();
2881 }
2882
2883 ////////////////////////////////////////////////////////////////////////////////
2884 // RenderWidgetHostViewBase, public:
2885
2886 // static
2887 void RenderWidgetHostViewBase::GetDefaultScreenInfo(WebScreenInfo* results) {
2888   GetScreenInfoForWindow(results, NULL);
2889 }
2890
2891 }  // namespace content