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 "base/auto_reset.h"
   8 #include "base/basictypes.h"
   9 #include "base/bind.h"
  10 #include "base/callback_helpers.h"
  11 #include "base/command_line.h"
  12 #include "base/debug/trace_event.h"
  13 #include "base/logging.h"
  14 #include "base/message_loop/message_loop.h"
  15 #include "base/strings/string_number_conversions.h"
  16 #include "cc/layers/layer.h"
  17 #include "cc/output/copy_output_request.h"
  18 #include "cc/output/copy_output_result.h"
  19 #include "cc/resources/texture_mailbox.h"
  20 #include "cc/trees/layer_tree_settings.h"
  21 #include "content/browser/accessibility/browser_accessibility_manager.h"
  22 #include "content/browser/accessibility/browser_accessibility_state_impl.h"
  23 #include "content/browser/frame_host/frame_tree.h"
  24 #include "content/browser/frame_host/frame_tree_node.h"
  25 #include "content/browser/frame_host/render_frame_host_impl.h"
  26 #include "content/browser/gpu/compositor_util.h"
  27 #include "content/browser/renderer_host/compositor_resize_lock_aura.h"
  28 #include "content/browser/renderer_host/dip_util.h"
  29 #include "content/browser/renderer_host/input/synthetic_gesture_target_aura.h"
  30 #include "content/browser/renderer_host/overscroll_controller.h"
  31 #include "content/browser/renderer_host/render_view_host_delegate.h"
  32 #include "content/browser/renderer_host/render_view_host_impl.h"
  33 #include "content/browser/renderer_host/render_widget_host_impl.h"
  34 #include "content/browser/renderer_host/ui_events_helper.h"
  35 #include "content/browser/renderer_host/web_input_event_aura.h"
  36 #include "content/common/gpu/client/gl_helper.h"
  37 #include "content/common/gpu/gpu_messages.h"
  38 #include "content/common/view_messages.h"
  39 #include "content/public/browser/content_browser_client.h"
  40 #include "content/public/browser/overscroll_configuration.h"
  41 #include "content/public/browser/render_view_host.h"
  42 #include "content/public/browser/render_widget_host_view_frame_subscriber.h"
  43 #include "content/public/browser/user_metrics.h"
  44 #include "content/public/common/content_switches.h"
  45 #include "third_party/WebKit/public/platform/WebScreenInfo.h"
  46 #include "third_party/WebKit/public/web/WebCompositionUnderline.h"
  47 #include "third_party/WebKit/public/web/WebInputEvent.h"
  48 #include "ui/aura/client/aura_constants.h"
  49 #include "ui/aura/client/cursor_client.h"
  50 #include "ui/aura/client/cursor_client_observer.h"
  51 #include "ui/aura/client/focus_client.h"
  52 #include "ui/aura/client/screen_position_client.h"
  53 #include "ui/aura/client/window_tree_client.h"
  54 #include "ui/aura/env.h"
  55 #include "ui/aura/window.h"
  56 #include "ui/aura/window_event_dispatcher.h"
  57 #include "ui/aura/window_observer.h"
  58 #include "ui/aura/window_tracker.h"
  59 #include "ui/aura/window_tree_host.h"
  60 #include "ui/base/clipboard/scoped_clipboard_writer.h"
  61 #include "ui/base/hit_test.h"
  62 #include "ui/base/ime/input_method.h"
  63 #include "ui/base/ui_base_types.h"
  64 #include "ui/compositor/compositor_vsync_manager.h"
  65 #include "ui/compositor/dip_util.h"
  66 #include "ui/events/event.h"
  67 #include "ui/events/event_utils.h"
  68 #include "ui/events/gestures/gesture_recognizer.h"
  69 #include "ui/gfx/canvas.h"
  70 #include "ui/gfx/display.h"
  71 #include "ui/gfx/rect_conversions.h"
  72 #include "ui/gfx/screen.h"
  73 #include "ui/gfx/size_conversions.h"
  74 #include "ui/gfx/skia_util.h"
  75 #include "ui/wm/public/activation_client.h"
  76 #include "ui/wm/public/scoped_tooltip_disabler.h"
  77 #include "ui/wm/public/tooltip_client.h"
  78 #include "ui/wm/public/transient_window_client.h"
  79 #include "ui/wm/public/window_types.h"
  80
  81 #if defined(OS_WIN)
  82 #include "content/browser/accessibility/browser_accessibility_manager_win.h"
  83 #include "content/browser/accessibility/browser_accessibility_win.h"
  84 #include "content/browser/renderer_host/legacy_render_widget_host_win.h"
  85 #include "content/common/plugin_constants_win.h"
  86 #include "ui/base/win/hidden_window.h"
  87 #include "ui/gfx/gdi_util.h"
  88 #include "ui/gfx/win/dpi.h"
  89 #endif
  90
  91 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
  92 #include "content/common/input_messages.h"
  93 #include "ui/events/linux/text_edit_command_auralinux.h"
  94 #include "ui/events/linux/text_edit_key_bindings_delegate_auralinux.h"
  95 #endif
  96
  97 using gfx::RectToSkIRect;
  98 using gfx::SkIRectToRect;
  99
 100 using blink::WebScreenInfo;
 101 using blink::WebInputEvent;
 102 using blink::WebGestureEvent;
 103 using blink::WebTouchEvent;
 104
 105 namespace content {
 106
 107 namespace {
 108
 109 // In mouse lock mode, we need to prevent the (invisible) cursor from hitting
 110 // the border of the view, in order to get valid movement information. However,
 111 // forcing the cursor back to the center of the view after each mouse move
 112 // doesn't work well. It reduces the frequency of useful mouse move messages
 113 // significantly. Therefore, we move the cursor to the center of the view only
 114 // if it approaches the border. |kMouseLockBorderPercentage| specifies the width
 115 // of the border area, in percentage of the corresponding dimension.
 116 const int kMouseLockBorderPercentage = 15;
 117
 118 // When accelerated compositing is enabled and a widget resize is pending,
 119 // we delay further resizes of the UI. The following constant is the maximum
 120 // length of time that we should delay further UI resizes while waiting for a
 121 // resized frame from a renderer.
 122 const int kResizeLockTimeoutMs = 67;
 123
 124 #if defined(OS_WIN)
 125 // Used to associate a plugin HWND with its RenderWidgetHostViewAura instance.
 126 const wchar_t kWidgetOwnerProperty[] = L"RenderWidgetHostViewAuraOwner";
 127
 128 BOOL CALLBACK WindowDestroyingCallback(HWND window, LPARAM param) {
 129   RenderWidgetHostViewAura* widget =
 130       reinterpret_cast<RenderWidgetHostViewAura*>(param);
 131   if (GetProp(window, kWidgetOwnerProperty) == widget) {
 132     // Properties set on HWNDs must be removed to avoid leaks.
 133     RemoveProp(window, kWidgetOwnerProperty);
 134     RenderWidgetHostViewBase::DetachPluginWindowsCallback(window);
 135   }
 136   return TRUE;
 137 }
 138
 139 BOOL CALLBACK HideWindowsCallback(HWND window, LPARAM param) {
 140   RenderWidgetHostViewAura* widget =
 141       reinterpret_cast<RenderWidgetHostViewAura*>(param);
 142   if (GetProp(window, kWidgetOwnerProperty) == widget)
 143     SetParent(window, ui::GetHiddenWindow());
 144   return TRUE;
 145 }
 146
 147 BOOL CALLBACK ShowWindowsCallback(HWND window, LPARAM param) {
 148   RenderWidgetHostViewAura* widget =
 149       reinterpret_cast<RenderWidgetHostViewAura*>(param);
 150
 151   if (GetProp(window, kWidgetOwnerProperty) == widget &&
 152       widget->GetNativeView()->GetHost()) {
 153     HWND parent = widget->GetNativeView()->GetHost()->GetAcceleratedWidget();
 154     SetParent(window, parent);
 155   }
 156   return TRUE;
 157 }
 158
 159 struct CutoutRectsParams {
 160   RenderWidgetHostViewAura* widget;
 161   std::vector<gfx::Rect> cutout_rects;
 162   std::map<HWND, WebPluginGeometry>* geometry;
 163 };
 164
 165 // Used to update the region for the windowed plugin to draw in. We start with
 166 // the clip rect from the renderer, then remove the cutout rects from the
 167 // renderer, and then remove the transient windows from the root window and the
 168 // constrained windows from the parent window.
 169 BOOL CALLBACK SetCutoutRectsCallback(HWND window, LPARAM param) {
 170   CutoutRectsParams* params = reinterpret_cast<CutoutRectsParams*>(param);
 171
 172   if (GetProp(window, kWidgetOwnerProperty) == params->widget) {
 173     // First calculate the offset of this plugin from the root window, since
 174     // the cutouts are relative to the root window.
 175     HWND parent =
 176         params->widget->GetNativeView()->GetHost()->GetAcceleratedWidget();
 177     POINT offset;
 178     offset.x = offset.y = 0;
 179     MapWindowPoints(window, parent, &offset, 1);
 180
 181     // Now get the cached clip rect and cutouts for this plugin window that came
 182     // from the renderer.
 183     std::map<HWND, WebPluginGeometry>::iterator i = params->geometry->begin();
 184     while (i != params->geometry->end() &&
 185            i->second.window != window &&
 186            GetParent(i->second.window) != window) {
 187       ++i;
 188     }
 189
 190     if (i == params->geometry->end()) {
 191       NOTREACHED();
 192       return TRUE;
 193     }
 194
 195     HRGN hrgn = CreateRectRgn(i->second.clip_rect.x(),
 196                               i->second.clip_rect.y(),
 197                               i->second.clip_rect.right(),
 198                               i->second.clip_rect.bottom());
 199     // We start with the cutout rects that came from the renderer, then add the
 200     // ones that came from transient and constrained windows.
 201     std::vector<gfx::Rect> cutout_rects = i->second.cutout_rects;
 202     for (size_t i = 0; i < params->cutout_rects.size(); ++i) {
 203       gfx::Rect offset_cutout = params->cutout_rects[i];
 204       offset_cutout.Offset(-offset.x, -offset.y);
 205       cutout_rects.push_back(offset_cutout);
 206     }
 207     gfx::SubtractRectanglesFromRegion(hrgn, cutout_rects);
 208     // If we don't have any cutout rects then no point in messing with the
 209     // window region.
 210     if (cutout_rects.size())
 211       SetWindowRgn(window, hrgn, TRUE);
 212   }
 213   return TRUE;
 214 }
 215
 216 // A callback function for EnumThreadWindows to enumerate and dismiss
 217 // any owned popup windows.
 218 BOOL CALLBACK DismissOwnedPopups(HWND window, LPARAM arg) {
 219   const HWND toplevel_hwnd = reinterpret_cast<HWND>(arg);
 220
 221   if (::IsWindowVisible(window)) {
 222     const HWND owner = ::GetWindow(window, GW_OWNER);
 223     if (toplevel_hwnd == owner) {
 224       ::PostMessage(window, WM_CANCELMODE, 0, 0);
 225     }
 226   }
 227
 228   return TRUE;
 229 }
 230 #endif
 231
 232 void UpdateWebTouchEventAfterDispatch(blink::WebTouchEvent* event,
 233                                       blink::WebTouchPoint* point) {
 234   if (point->state != blink::WebTouchPoint::StateReleased &&
 235       point->state != blink::WebTouchPoint::StateCancelled)
 236     return;
 237
 238   const unsigned new_length = event->touchesLength - 1;
 239   // Work around a gcc 4.9 bug. crbug.com/392872
 240   if (new_length >= event->touchesLengthCap)
 241     return;
 242
 243   for (unsigned i = point - event->touches; i < new_length; ++i)
 244     event->touches[i] = event->touches[i + 1];
 245   event->touchesLength = new_length;
 246 }
 247
 248 bool CanRendererHandleEvent(const ui::MouseEvent* event) {
 249   if (event->type() == ui::ET_MOUSE_CAPTURE_CHANGED)
 250     return false;
 251
 252 #if defined(OS_WIN)
 253   // Renderer cannot handle WM_XBUTTON or NC events.
 254   switch (event->native_event().message) {
 255     case WM_XBUTTONDOWN:
 256     case WM_XBUTTONUP:
 257     case WM_XBUTTONDBLCLK:
 258     case WM_NCMOUSELEAVE:
 259     case WM_NCMOUSEMOVE:
 260     case WM_NCLBUTTONDOWN:
 261     case WM_NCLBUTTONUP:
 262     case WM_NCLBUTTONDBLCLK:
 263     case WM_NCRBUTTONDOWN:
 264     case WM_NCRBUTTONUP:
 265     case WM_NCRBUTTONDBLCLK:
 266     case WM_NCMBUTTONDOWN:
 267     case WM_NCMBUTTONUP:
 268     case WM_NCMBUTTONDBLCLK:
 269     case WM_NCXBUTTONDOWN:
 270     case WM_NCXBUTTONUP:
 271     case WM_NCXBUTTONDBLCLK:
 272       return false;
 273     default:
 274       break;
 275   }
 276 #elif defined(USE_X11)
 277   // Renderer only supports standard mouse buttons, so ignore programmable
 278   // buttons.
 279   switch (event->type()) {
 280     case ui::ET_MOUSE_PRESSED:
 281     case ui::ET_MOUSE_RELEASED:
 282       return event->IsAnyButton();
 283     default:
 284       break;
 285   }
 286 #endif
 287   return true;
 288 }
 289
 290 // We don't mark these as handled so that they're sent back to the
 291 // DefWindowProc so it can generate WM_APPCOMMAND as necessary.
 292 bool IsXButtonUpEvent(const ui::MouseEvent* event) {
 293 #if defined(OS_WIN)
 294   switch (event->native_event().message) {
 295     case WM_XBUTTONUP:
 296     case WM_NCXBUTTONUP:
 297       return true;
 298   }
 299 #endif
 300   return false;
 301 }
 302
 303 void GetScreenInfoForWindow(WebScreenInfo* results, aura::Window* window) {
 304   const gfx::Display display = window ?
 305       gfx::Screen::GetScreenFor(window)->GetDisplayNearestWindow(window) :
 306       gfx::Screen::GetScreenFor(window)->GetPrimaryDisplay();
 307   results->rect = display.bounds();
 308   results->availableRect = display.work_area();
 309   // TODO(derat|oshima): Don't hardcode this. Get this from display object.
 310   results->depth = 24;
 311   results->depthPerComponent = 8;
 312   results->deviceScaleFactor = display.device_scale_factor();
 313
 314   // The Display rotation and the WebScreenInfo orientation are not the same
 315   // angle. The former is the physical display rotation while the later is the
 316   // rotation required by the content to be shown properly on the screen, in
 317   // other words, relative to the physical display.
 318   results->orientationAngle = display.RotationAsDegree();
 319   if (results->orientationAngle == 90)
 320     results->orientationAngle = 270;
 321   else if (results->orientationAngle == 270)
 322     results->orientationAngle = 90;
 323
 324   results->orientationType =
 325       RenderWidgetHostViewBase::GetOrientationTypeForDesktop(display);
 326 }
 327
 328 bool PointerEventActivates(const ui::Event& event) {
 329   if (event.type() == ui::ET_MOUSE_PRESSED)
 330     return true;
 331
 332   if (event.type() == ui::ET_GESTURE_BEGIN) {
 333     const ui::GestureEvent& gesture =
 334         static_cast<const ui::GestureEvent&>(event);
 335     return gesture.details().touch_points() == 1;
 336   }
 337
 338   return false;
 339 }
 340
 341 }  // namespace
 342
 343 // We need to watch for mouse events outside a Web Popup or its parent
 344 // and dismiss the popup for certain events.
 345 class RenderWidgetHostViewAura::EventFilterForPopupExit
 346     : public ui::EventHandler {
 347  public:
 348   explicit EventFilterForPopupExit(RenderWidgetHostViewAura* rwhva)
 349       : rwhva_(rwhva) {
 350     DCHECK(rwhva_);
 351     aura::Env::GetInstance()->AddPreTargetHandler(this);
 352   }
 353
 354   virtual ~EventFilterForPopupExit() {
 355     aura::Env::GetInstance()->RemovePreTargetHandler(this);
 356   }
 357
 358   // Overridden from ui::EventHandler
 359   virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE {
 360     rwhva_->ApplyEventFilterForPopupExit(event);
 361   }
 362
 363   virtual void OnTouchEvent(ui::TouchEvent* event) OVERRIDE {
 364     rwhva_->ApplyEventFilterForPopupExit(event);
 365   }
 366
 367  private:
 368   RenderWidgetHostViewAura* rwhva_;
 369
 370   DISALLOW_COPY_AND_ASSIGN(EventFilterForPopupExit);
 371 };
 372
 373 void RenderWidgetHostViewAura::ApplyEventFilterForPopupExit(
 374     ui::LocatedEvent* event) {
 375   if (in_shutdown_ || is_fullscreen_ || !event->target())
 376     return;
 377
 378   if (event->type() != ui::ET_MOUSE_PRESSED &&
 379       event->type() != ui::ET_TOUCH_PRESSED) {
 380     return;
 381   }
 382
 383   aura::Window* target = static_cast<aura::Window*>(event->target());
 384   if (target != window_ &&
 385       (!popup_parent_host_view_ ||
 386        target != popup_parent_host_view_->window_)) {
 387     // Note: popup_parent_host_view_ may be NULL when there are multiple
 388     // popup children per view. See: RenderWidgetHostViewAura::InitAsPopup().
 389     in_shutdown_ = true;
 390     host_->Shutdown();
 391   }
 392 }
 393
 394 // We have to implement the WindowObserver interface on a separate object
 395 // because clang doesn't like implementing multiple interfaces that have
 396 // methods with the same name. This object is owned by the
 397 // RenderWidgetHostViewAura.
 398 class RenderWidgetHostViewAura::WindowObserver : public aura::WindowObserver {
 399  public:
 400   explicit WindowObserver(RenderWidgetHostViewAura* view)
 401       : view_(view) {
 402     view_->window_->AddObserver(this);
 403   }
 404
 405   virtual ~WindowObserver() {
 406     view_->window_->RemoveObserver(this);
 407   }
 408
 409   // Overridden from aura::WindowObserver:
 410   virtual void OnWindowAddedToRootWindow(aura::Window* window) OVERRIDE {
 411     if (window == view_->window_)
 412       view_->AddedToRootWindow();
 413   }
 414
 415   virtual void OnWindowRemovingFromRootWindow(aura::Window* window,
 416                                               aura::Window* new_root) OVERRIDE {
 417     if (window == view_->window_)
 418       view_->RemovingFromRootWindow();
 419   }
 420
 421  private:
 422   RenderWidgetHostViewAura* view_;
 423
 424   DISALLOW_COPY_AND_ASSIGN(WindowObserver);
 425 };
 426
 427 ////////////////////////////////////////////////////////////////////////////////
 428 // RenderWidgetHostViewAura, public:
 429
 430 RenderWidgetHostViewAura::RenderWidgetHostViewAura(RenderWidgetHost* host)
 431     : host_(RenderWidgetHostImpl::From(host)),
 432       window_(new aura::Window(this)),
 433       delegated_frame_host_(new DelegatedFrameHost(this)),
 434       in_shutdown_(false),
 435       in_bounds_changed_(false),
 436       is_fullscreen_(false),
 437       popup_parent_host_view_(NULL),
 438       popup_child_host_view_(NULL),
 439       is_loading_(false),
 440       text_input_type_(ui::TEXT_INPUT_TYPE_NONE),
 441       text_input_mode_(ui::TEXT_INPUT_MODE_DEFAULT),
 442       can_compose_inline_(true),
 443       has_composition_text_(false),
 444       accept_return_character_(false),
 445       last_swapped_software_frame_scale_factor_(1.f),
 446       paint_canvas_(NULL),
 447       synthetic_move_sent_(false),
 448       cursor_visibility_state_in_renderer_(UNKNOWN),
 449 #if defined(OS_WIN)
 450       legacy_render_widget_host_HWND_(NULL),
 451       legacy_window_destroyed_(false),
 452 #endif
 453       has_snapped_to_boundary_(false),
 454       touch_editing_client_(NULL),
 455       weak_ptr_factory_(this) {
 456   host_->SetView(this);
 457   window_observer_.reset(new WindowObserver(this));
 458   aura::client::SetTooltipText(window_, &tooltip_);
 459   aura::client::SetActivationDelegate(window_, this);
 460   aura::client::SetActivationChangeObserver(window_, this);
 461   aura::client::SetFocusChangeObserver(window_, this);
 462   window_->set_layer_owner_delegate(delegated_frame_host_.get());
 463   gfx::Screen::GetScreenFor(window_)->AddObserver(this);
 464
 465   bool overscroll_enabled = base::CommandLine::ForCurrentProcess()->
 466       GetSwitchValueASCII(switches::kOverscrollHistoryNavigation) != "0";
 467   SetOverscrollControllerEnabled(overscroll_enabled);
 468 }
 469
 470 ////////////////////////////////////////////////////////////////////////////////
 471 // RenderWidgetHostViewAura, RenderWidgetHostView implementation:
 472
 473 void RenderWidgetHostViewAura::InitAsChild(
 474     gfx::NativeView parent_view) {
 475   window_->SetType(ui::wm::WINDOW_TYPE_CONTROL);
 476   window_->Init(aura::WINDOW_LAYER_TEXTURED);
 477   window_->SetName("RenderWidgetHostViewAura");
 478 }
 479
 480 void RenderWidgetHostViewAura::InitAsPopup(
 481     RenderWidgetHostView* parent_host_view,
 482     const gfx::Rect& bounds_in_screen) {
 483   popup_parent_host_view_ =
 484       static_cast<RenderWidgetHostViewAura*>(parent_host_view);
 485
 486   // TransientWindowClient may be NULL during tests.
 487   aura::client::TransientWindowClient* transient_window_client =
 488       aura::client::GetTransientWindowClient();
 489   RenderWidgetHostViewAura* old_child =
 490       popup_parent_host_view_->popup_child_host_view_;
 491   if (old_child) {
 492     // TODO(jhorwich): Allow multiple popup_child_host_view_ per view, or
 493     // similar mechanism to ensure a second popup doesn't cause the first one
 494     // to never get a chance to filter events. See crbug.com/160589.
 495     DCHECK(old_child->popup_parent_host_view_ == popup_parent_host_view_);
 496     if (transient_window_client) {
 497       transient_window_client->RemoveTransientChild(
 498         popup_parent_host_view_->window_, old_child->window_);
 499     }
 500     old_child->popup_parent_host_view_ = NULL;
 501   }
 502   popup_parent_host_view_->popup_child_host_view_ = this;
 503   window_->SetType(ui::wm::WINDOW_TYPE_MENU);
 504   window_->Init(aura::WINDOW_LAYER_TEXTURED);
 505   window_->SetName("RenderWidgetHostViewAura");
 506
 507   aura::Window* root = popup_parent_host_view_->window_->GetRootWindow();
 508   aura::client::ParentWindowWithContext(window_, root, bounds_in_screen);
 509   // Setting the transient child allows for the popup to get mouse events when
 510   // in a system modal dialog.
 511   // This fixes crbug.com/328593.
 512   if (transient_window_client) {
 513     transient_window_client->AddTransientChild(
 514         popup_parent_host_view_->window_, window_);
 515   }
 516
 517   SetBounds(bounds_in_screen);
 518   Show();
 519 #if !defined(OS_WIN) && !defined(OS_CHROMEOS)
 520   if (NeedsInputGrab())
 521     window_->SetCapture();
 522 #endif
 523
 524   event_filter_for_popup_exit_.reset(new EventFilterForPopupExit(this));
 525 }
 526
 527 void RenderWidgetHostViewAura::InitAsFullscreen(
 528     RenderWidgetHostView* reference_host_view) {
 529   is_fullscreen_ = true;
 530   window_->SetType(ui::wm::WINDOW_TYPE_NORMAL);
 531   window_->Init(aura::WINDOW_LAYER_TEXTURED);
 532   window_->SetName("RenderWidgetHostViewAura");
 533   window_->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_FULLSCREEN);
 534
 535   aura::Window* parent = NULL;
 536   gfx::Rect bounds;
 537   if (reference_host_view) {
 538     aura::Window* reference_window =
 539         static_cast<RenderWidgetHostViewAura*>(reference_host_view)->window_;
 540     if (reference_window) {
 541       host_tracker_.reset(new aura::WindowTracker);
 542       host_tracker_->Add(reference_window);
 543     }
 544     gfx::Display display = gfx::Screen::GetScreenFor(window_)->
 545         GetDisplayNearestWindow(reference_window);
 546     parent = reference_window->GetRootWindow();
 547     bounds = display.bounds();
 548   }
 549   aura::client::ParentWindowWithContext(window_, parent, bounds);
 550   Show();
 551   Focus();
 552 }
 553
 554 RenderWidgetHost* RenderWidgetHostViewAura::GetRenderWidgetHost() const {
 555   return host_;
 556 }
 557
 558 void RenderWidgetHostViewAura::WasShown() {
 559   DCHECK(host_);
 560   if (!host_->is_hidden())
 561     return;
 562
 563   bool has_saved_frame = delegated_frame_host_->HasSavedFrame();
 564   ui::LatencyInfo renderer_latency_info, browser_latency_info;
 565   if (has_saved_frame) {
 566     browser_latency_info.AddLatencyNumber(
 567         ui::TAB_SHOW_COMPONENT, host_->GetLatencyComponentId(), 0);
 568   } else {
 569     renderer_latency_info.AddLatencyNumber(
 570         ui::TAB_SHOW_COMPONENT, host_->GetLatencyComponentId(), 0);
 571   }
 572   host_->WasShown(renderer_latency_info);
 573
 574   aura::Window* root = window_->GetRootWindow();
 575   if (root) {
 576     aura::client::CursorClient* cursor_client =
 577         aura::client::GetCursorClient(root);
 578     if (cursor_client)
 579       NotifyRendererOfCursorVisibilityState(cursor_client->IsCursorVisible());
 580   }
 581
 582   delegated_frame_host_->WasShown(browser_latency_info);
 583
 584 #if defined(OS_WIN)
 585   if (legacy_render_widget_host_HWND_) {
 586     // Reparent the legacy Chrome_RenderWidgetHostHWND window to the parent
 587     // window before reparenting any plugins. This ensures that the plugin
 588     // windows stay on top of the child Zorder in the parent and receive
 589     // mouse events, etc.
 590     legacy_render_widget_host_HWND_->UpdateParent(
 591         GetNativeView()->GetHost()->GetAcceleratedWidget());
 592     legacy_render_widget_host_HWND_->SetBounds(
 593         window_->GetBoundsInRootWindow());
 594   }
 595   LPARAM lparam = reinterpret_cast<LPARAM>(this);
 596   EnumChildWindows(ui::GetHiddenWindow(), ShowWindowsCallback, lparam);
 597 #endif
 598 }
 599
 600 void RenderWidgetHostViewAura::WasHidden() {
 601   if (!host_ || host_->is_hidden())
 602     return;
 603   host_->WasHidden();
 604   delegated_frame_host_->WasHidden();
 605
 606 #if defined(OS_WIN)
 607   constrained_rects_.clear();
 608   aura::WindowTreeHost* host = window_->GetHost();
 609   if (host) {
 610     HWND parent = host->GetAcceleratedWidget();
 611     LPARAM lparam = reinterpret_cast<LPARAM>(this);
 612     EnumChildWindows(parent, HideWindowsCallback, lparam);
 613     // We reparent the legacy Chrome_RenderWidgetHostHWND window to the global
 614     // hidden window on the same lines as Windowed plugin windows.
 615     if (legacy_render_widget_host_HWND_)
 616       legacy_render_widget_host_HWND_->UpdateParent(ui::GetHiddenWindow());
 617   }
 618 #endif
 619 }
 620
 621 void RenderWidgetHostViewAura::SetSize(const gfx::Size& size) {
 622   // For a SetSize operation, we don't care what coordinate system the origin
 623   // of the window is in, it's only important to make sure that the origin
 624   // remains constant after the operation.
 625   InternalSetBounds(gfx::Rect(window_->bounds().origin(), size));
 626 }
 627
 628 void RenderWidgetHostViewAura::SetBounds(const gfx::Rect& rect) {
 629   gfx::Point relative_origin(rect.origin());
 630
 631   // RenderWidgetHostViewAura::SetBounds() takes screen coordinates, but
 632   // Window::SetBounds() takes parent coordinates, so do the conversion here.
 633   aura::Window* root = window_->GetRootWindow();
 634   if (root) {
 635     aura::client::ScreenPositionClient* screen_position_client =
 636         aura::client::GetScreenPositionClient(root);
 637     if (screen_position_client) {
 638       screen_position_client->ConvertPointFromScreen(
 639           window_->parent(), &relative_origin);
 640     }
 641   }
 642
 643   InternalSetBounds(gfx::Rect(relative_origin, rect.size()));
 644 }
 645
 646 gfx::NativeView RenderWidgetHostViewAura::GetNativeView() const {
 647   return window_;
 648 }
 649
 650 gfx::NativeViewId RenderWidgetHostViewAura::GetNativeViewId() const {
 651 #if defined(OS_WIN)
 652   aura::WindowTreeHost* host = window_->GetHost();
 653   if (host)
 654     return reinterpret_cast<gfx::NativeViewId>(host->GetAcceleratedWidget());
 655 #endif
 656   return static_cast<gfx::NativeViewId>(NULL);
 657 }
 658
 659 gfx::NativeViewAccessible RenderWidgetHostViewAura::GetNativeViewAccessible() {
 660 #if defined(OS_WIN)
 661   aura::WindowTreeHost* host = window_->GetHost();
 662   if (!host)
 663     return static_cast<gfx::NativeViewAccessible>(NULL);
 664   HWND hwnd = host->GetAcceleratedWidget();
 665   BrowserAccessibilityManager* manager =
 666       host_->GetOrCreateRootBrowserAccessibilityManager();
 667   if (manager)
 668     return manager->GetRoot()->ToBrowserAccessibilityWin();
 669 #endif
 670
 671   NOTIMPLEMENTED();
 672   return static_cast<gfx::NativeViewAccessible>(NULL);
 673 }
 674
 675 ui::TextInputClient* RenderWidgetHostViewAura::GetTextInputClient() {
 676   return this;
 677 }
 678
 679 void RenderWidgetHostViewAura::SetKeyboardFocus() {
 680 #if defined(OS_WIN)
 681   if (CanFocus()) {
 682     aura::WindowTreeHost* host = window_->GetHost();
 683     if (host)
 684       ::SetFocus(host->GetAcceleratedWidget());
 685   }
 686 #endif
 687 }
 688
 689 RenderFrameHostImpl* RenderWidgetHostViewAura::GetFocusedFrame() {
 690   if (!host_->IsRenderView())
 691     return NULL;
 692   RenderViewHost* rvh = RenderViewHost::From(host_);
 693   FrameTreeNode* focused_frame =
 694       rvh->GetDelegate()->GetFrameTree()->GetFocusedFrame();
 695   if (!focused_frame)
 696     return NULL;
 697
 698   return focused_frame->current_frame_host();
 699 }
 700
 701 void RenderWidgetHostViewAura::MovePluginWindows(
 702     const std::vector<WebPluginGeometry>& plugin_window_moves) {
 703 #if defined(OS_WIN)
 704   // We need to clip the rectangle to the tab's viewport, otherwise we will draw
 705   // over the browser UI.
 706   if (!window_->GetRootWindow()) {
 707     DCHECK(plugin_window_moves.empty());
 708     return;
 709   }
 710   HWND parent = window_->GetHost()->GetAcceleratedWidget();
 711   gfx::Rect view_bounds = window_->GetBoundsInRootWindow();
 712   std::vector<WebPluginGeometry> moves = plugin_window_moves;
 713
 714   gfx::Rect view_port(view_bounds.size());
 715
 716   for (size_t i = 0; i < moves.size(); ++i) {
 717     gfx::Rect clip(moves[i].clip_rect);
 718     gfx::Vector2d view_port_offset(
 719         moves[i].window_rect.OffsetFromOrigin());
 720     clip.Offset(view_port_offset);
 721     clip.Intersect(view_port);
 722     clip.Offset(-view_port_offset);
 723     moves[i].clip_rect = clip;
 724
 725     moves[i].window_rect.Offset(view_bounds.OffsetFromOrigin());
 726
 727     plugin_window_moves_[moves[i].window] = moves[i];
 728
 729     // constrained_rects_ are relative to the root window. We want to convert
 730     // them to be relative to the plugin window.
 731     for (size_t j = 0; j < constrained_rects_.size(); ++j) {
 732       gfx::Rect offset_cutout = constrained_rects_[j];
 733       offset_cutout -= moves[i].window_rect.OffsetFromOrigin();
 734       moves[i].cutout_rects.push_back(offset_cutout);
 735     }
 736   }
 737
 738   MovePluginWindowsHelper(parent, moves);
 739
 740   // Make sure each plugin window (or its wrapper if it exists) has a pointer to
 741   // |this|.
 742   for (size_t i = 0; i < moves.size(); ++i) {
 743     HWND window = moves[i].window;
 744     if (GetParent(window) != parent) {
 745       window = GetParent(window);
 746     }
 747     if (!GetProp(window, kWidgetOwnerProperty))
 748       SetProp(window, kWidgetOwnerProperty, this);
 749   }
 750 #endif  // defined(OS_WIN)
 751 }
 752
 753 void RenderWidgetHostViewAura::Focus() {
 754   // Make sure we have a FocusClient before attempting to Focus(). In some
 755   // situations we may not yet be in a valid Window hierarchy (such as reloading
 756   // after out of memory discarded the tab).
 757   aura::client::FocusClient* client = aura::client::GetFocusClient(window_);
 758   if (client)
 759     window_->Focus();
 760 }
 761
 762 void RenderWidgetHostViewAura::Blur() {
 763   window_->Blur();
 764 }
 765
 766 bool RenderWidgetHostViewAura::HasFocus() const {
 767   return window_->HasFocus();
 768 }
 769
 770 bool RenderWidgetHostViewAura::IsSurfaceAvailableForCopy() const {
 771   return delegated_frame_host_->CanCopyToBitmap();
 772 }
 773
 774 void RenderWidgetHostViewAura::Show() {
 775   window_->Show();
 776   WasShown();
 777 #if defined(OS_WIN)
 778   if (legacy_render_widget_host_HWND_)
 779     legacy_render_widget_host_HWND_->Show();
 780 #endif
 781 }
 782
 783 void RenderWidgetHostViewAura::Hide() {
 784   window_->Hide();
 785   WasHidden();
 786 #if defined(OS_WIN)
 787   if (legacy_render_widget_host_HWND_)
 788     legacy_render_widget_host_HWND_->Hide();
 789 #endif
 790 }
 791
 792 bool RenderWidgetHostViewAura::IsShowing() {
 793   return window_->IsVisible();
 794 }
 795
 796 gfx::Rect RenderWidgetHostViewAura::GetViewBounds() const {
 797   return window_->GetBoundsInScreen();
 798 }
 799
 800 void RenderWidgetHostViewAura::SetBackgroundOpaque(bool opaque) {
 801   RenderWidgetHostViewBase::SetBackgroundOpaque(opaque);
 802   host_->SetBackgroundOpaque(opaque);
 803   window_->layer()->SetFillsBoundsOpaquely(opaque);
 804 }
 805
 806 gfx::Size RenderWidgetHostViewAura::GetVisibleViewportSize() const {
 807   gfx::Rect requested_rect(GetRequestedRendererSize());
 808   requested_rect.Inset(insets_);
 809   return requested_rect.size();
 810 }
 811
 812 void RenderWidgetHostViewAura::SetInsets(const gfx::Insets& insets) {
 813   if (insets != insets_) {
 814     insets_ = insets;
 815     host_->WasResized();
 816   }
 817 }
 818
 819 void RenderWidgetHostViewAura::UpdateCursor(const WebCursor& cursor) {
 820   current_cursor_ = cursor;
 821   const gfx::Display display = gfx::Screen::GetScreenFor(window_)->
 822       GetDisplayNearestWindow(window_);
 823   current_cursor_.SetDisplayInfo(display);
 824   UpdateCursorIfOverSelf();
 825 }
 826
 827 void RenderWidgetHostViewAura::SetIsLoading(bool is_loading) {
 828   is_loading_ = is_loading;
 829   UpdateCursorIfOverSelf();
 830 }
 831
 832 void RenderWidgetHostViewAura::TextInputStateChanged(
 833     const ViewHostMsg_TextInputState_Params& params) {
 834   if (text_input_type_ != params.type ||
 835       text_input_mode_ != params.mode ||
 836       can_compose_inline_ != params.can_compose_inline) {
 837     text_input_type_ = params.type;
 838     text_input_mode_ = params.mode;
 839     can_compose_inline_ = params.can_compose_inline;
 840     if (GetInputMethod())
 841       GetInputMethod()->OnTextInputTypeChanged(this);
 842     if (touch_editing_client_)
 843       touch_editing_client_->OnTextInputTypeChanged(text_input_type_);
 844   }
 845   if (params.show_ime_if_needed && params.type != ui::TEXT_INPUT_TYPE_NONE) {
 846     if (GetInputMethod())
 847       GetInputMethod()->ShowImeIfNeeded();
 848   }
 849 }
 850
 851 void RenderWidgetHostViewAura::ImeCancelComposition() {
 852   if (GetInputMethod())
 853     GetInputMethod()->CancelComposition(this);
 854   has_composition_text_ = false;
 855 }
 856
 857 void RenderWidgetHostViewAura::ImeCompositionRangeChanged(
 858     const gfx::Range& range,
 859     const std::vector<gfx::Rect>& character_bounds) {
 860   composition_character_bounds_ = character_bounds;
 861 }
 862
 863 void RenderWidgetHostViewAura::RenderProcessGone(base::TerminationStatus status,
 864                                                  int error_code) {
 865   UpdateCursorIfOverSelf();
 866   Destroy();
 867 }
 868
 869 void RenderWidgetHostViewAura::Destroy() {
 870   // Beware, this function is not called on all destruction paths. It will
 871   // implicitly end up calling ~RenderWidgetHostViewAura though, so all
 872   // destruction/cleanup code should happen there, not here.
 873   in_shutdown_ = true;
 874   delete window_;
 875 }
 876
 877 void RenderWidgetHostViewAura::SetTooltipText(
 878     const base::string16& tooltip_text) {
 879   tooltip_ = tooltip_text;
 880   aura::Window* root_window = window_->GetRootWindow();
 881   aura::client::TooltipClient* tooltip_client =
 882       aura::client::GetTooltipClient(root_window);
 883   if (tooltip_client) {
 884     tooltip_client->UpdateTooltip(window_);
 885     // Content tooltips should be visible indefinitely.
 886     tooltip_client->SetTooltipShownTimeout(window_, 0);
 887   }
 888 }
 889
 890 void RenderWidgetHostViewAura::SelectionChanged(const base::string16& text,
 891                                                 size_t offset,
 892                                                 const gfx::Range& range) {
 893   RenderWidgetHostViewBase::SelectionChanged(text, offset, range);
 894
 895 #if defined(USE_X11) && !defined(OS_CHROMEOS)
 896   if (text.empty() || range.is_empty())
 897     return;
 898   size_t pos = range.GetMin() - offset;
 899   size_t n = range.length();
 900
 901   DCHECK(pos + n <= text.length()) << "The text can not fully cover range.";
 902   if (pos >= text.length()) {
 903     NOTREACHED() << "The text can not cover range.";
 904     return;
 905   }
 906
 907   // Set the CLIPBOARD_TYPE_SELECTION to the ui::Clipboard.
 908   ui::ScopedClipboardWriter clipboard_writer(
 909       ui::Clipboard::GetForCurrentThread(),
 910       ui::CLIPBOARD_TYPE_SELECTION);
 911   clipboard_writer.WriteText(text.substr(pos, n));
 912 #endif  // defined(USE_X11) && !defined(OS_CHROMEOS)
 913 }
 914
 915 gfx::Size RenderWidgetHostViewAura::GetRequestedRendererSize() const {
 916   return delegated_frame_host_->GetRequestedRendererSize();
 917 }
 918
 919 void RenderWidgetHostViewAura::SelectionBoundsChanged(
 920     const ViewHostMsg_SelectionBounds_Params& params) {
 921   if (selection_anchor_rect_ == params.anchor_rect &&
 922       selection_focus_rect_ == params.focus_rect)
 923     return;
 924
 925   selection_anchor_rect_ = params.anchor_rect;
 926   selection_focus_rect_ = params.focus_rect;
 927
 928   if (GetInputMethod())
 929     GetInputMethod()->OnCaretBoundsChanged(this);
 930
 931   if (touch_editing_client_) {
 932     touch_editing_client_->OnSelectionOrCursorChanged(selection_anchor_rect_,
 933         selection_focus_rect_);
 934   }
 935 }
 936
 937 void RenderWidgetHostViewAura::CopyFromCompositingSurface(
 938     const gfx::Rect& src_subrect,
 939     const gfx::Size& dst_size,
 940     const base::Callback<void(bool, const SkBitmap&)>& callback,
 941     const SkColorType color_type) {
 942   delegated_frame_host_->CopyFromCompositingSurface(
 943       src_subrect, dst_size, callback, color_type);
 944 }
 945
 946 void RenderWidgetHostViewAura::CopyFromCompositingSurfaceToVideoFrame(
 947       const gfx::Rect& src_subrect,
 948       const scoped_refptr<media::VideoFrame>& target,
 949       const base::Callback<void(bool)>& callback) {
 950   delegated_frame_host_->CopyFromCompositingSurfaceToVideoFrame(
 951       src_subrect, target, callback);
 952 }
 953
 954 bool RenderWidgetHostViewAura::CanCopyToVideoFrame() const {
 955   return delegated_frame_host_->CanCopyToVideoFrame();
 956 }
 957
 958 bool RenderWidgetHostViewAura::CanSubscribeFrame() const {
 959   return delegated_frame_host_->CanSubscribeFrame();
 960 }
 961
 962 void RenderWidgetHostViewAura::BeginFrameSubscription(
 963     scoped_ptr<RenderWidgetHostViewFrameSubscriber> subscriber) {
 964   delegated_frame_host_->BeginFrameSubscription(subscriber.Pass());
 965 }
 966
 967 void RenderWidgetHostViewAura::EndFrameSubscription() {
 968   delegated_frame_host_->EndFrameSubscription();
 969 }
 970
 971 void RenderWidgetHostViewAura::AcceleratedSurfaceInitialized(int host_id,
 972                                                              int route_id) {
 973 }
 974
 975 #if defined(OS_WIN)
 976 bool RenderWidgetHostViewAura::UsesNativeWindowFrame() const {
 977   return (legacy_render_widget_host_HWND_ != NULL);
 978 }
 979
 980 void RenderWidgetHostViewAura::UpdateConstrainedWindowRects(
 981     const std::vector<gfx::Rect>& rects) {
 982   // Check this before setting constrained_rects_, so that next time they're set
 983   // and we have a root window we don't early return.
 984   if (!window_->GetHost())
 985     return;
 986
 987   if (rects == constrained_rects_)
 988     return;
 989
 990   constrained_rects_ = rects;
 991
 992   HWND parent = window_->GetHost()->GetAcceleratedWidget();
 993   CutoutRectsParams params;
 994   params.widget = this;
 995   params.cutout_rects = constrained_rects_;
 996   params.geometry = &plugin_window_moves_;
 997   LPARAM lparam = reinterpret_cast<LPARAM>(&params);
 998   EnumChildWindows(parent, SetCutoutRectsCallback, lparam);
 999 }
1000
1001 void RenderWidgetHostViewAura::UpdateMouseLockRegion() {
1002   // Clip the cursor if chrome is running on regular desktop.
1003   if (gfx::Screen::GetScreenFor(window_) == gfx::Screen::GetNativeScreen()) {
1004     RECT window_rect = window_->GetBoundsInScreen().ToRECT();
1005     ::ClipCursor(&window_rect);
1006   }
1007 }
1008
1009 void RenderWidgetHostViewAura::OnLegacyWindowDestroyed() {
1010   legacy_render_widget_host_HWND_ = NULL;
1011   legacy_window_destroyed_ = true;
1012 }
1013 #endif
1014
1015 void RenderWidgetHostViewAura::AcceleratedSurfaceBuffersSwapped(
1016     const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params_in_pixel,
1017     int gpu_host_id) {
1018   // Oldschool composited mode is no longer supported.
1019 }
1020
1021 void RenderWidgetHostViewAura::OnSwapCompositorFrame(
1022     uint32 output_surface_id,
1023     scoped_ptr<cc::CompositorFrame> frame) {
1024   TRACE_EVENT0("content", "RenderWidgetHostViewAura::OnSwapCompositorFrame");
1025   if (frame->delegated_frame_data) {
1026     delegated_frame_host_->SwapDelegatedFrame(
1027         output_surface_id,
1028         frame->delegated_frame_data.Pass(),
1029         frame->metadata.device_scale_factor,
1030         frame->metadata.latency_info);
1031     return;
1032   }
1033
1034   if (frame->software_frame_data) {
1035     DLOG(ERROR) << "Unable to use software frame in aura";
1036     RecordAction(
1037         base::UserMetricsAction("BadMessageTerminate_SharedMemoryAura"));
1038     host_->GetProcess()->ReceivedBadMessage();
1039     return;
1040   }
1041 }
1042
1043 #if defined(OS_WIN)
1044 void RenderWidgetHostViewAura::SetParentNativeViewAccessible(
1045     gfx::NativeViewAccessible accessible_parent) {
1046 }
1047
1048 gfx::NativeViewId RenderWidgetHostViewAura::GetParentForWindowlessPlugin()
1049     const {
1050   if (legacy_render_widget_host_HWND_) {
1051     return reinterpret_cast<gfx::NativeViewId>(
1052         legacy_render_widget_host_HWND_->hwnd());
1053   }
1054   return NULL;
1055 }
1056 #endif
1057
1058 void RenderWidgetHostViewAura::AcceleratedSurfacePostSubBuffer(
1059     const GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params& params_in_pixel,
1060     int gpu_host_id) {
1061   // Oldschool composited mode is no longer supported.
1062 }
1063
1064 void RenderWidgetHostViewAura::AcceleratedSurfaceSuspend() {
1065 }
1066
1067 void RenderWidgetHostViewAura::AcceleratedSurfaceRelease() {
1068 }
1069
1070 bool RenderWidgetHostViewAura::HasAcceleratedSurface(
1071     const gfx::Size& desired_size) {
1072   // Aura doesn't use GetBackingStore for accelerated pages, so it doesn't
1073   // matter what is returned here as GetBackingStore is the only caller of this
1074   // method. TODO(jbates) implement this if other Aura code needs it.
1075   return false;
1076 }
1077
1078 void RenderWidgetHostViewAura::GetScreenInfo(WebScreenInfo* results) {
1079   GetScreenInfoForWindow(results, window_->GetRootWindow() ? window_ : NULL);
1080 }
1081
1082 gfx::Rect RenderWidgetHostViewAura::GetBoundsInRootWindow() {
1083   aura::Window* top_level = window_->GetToplevelWindow();
1084   gfx::Rect bounds(top_level->GetBoundsInScreen());
1085
1086 #if defined(OS_WIN)
1087   // TODO(zturner,iyengar): This will break when we remove support for NPAPI and
1088   // remove the legacy hwnd, so a better fix will need to be decided when that
1089   // happens.
1090   if (UsesNativeWindowFrame()) {
1091     // aura::Window doesn't take into account non-client area of native windows
1092     // (e.g. HWNDs), so for that case ask Windows directly what the bounds are.
1093     aura::WindowTreeHost* host = top_level->GetHost();
1094     if (!host)
1095       return top_level->GetBoundsInScreen();
1096     RECT window_rect = {0};
1097     HWND hwnd = host->GetAcceleratedWidget();
1098     ::GetWindowRect(hwnd, &window_rect);
1099     bounds = gfx::Rect(window_rect);
1100
1101     // Maximized windows are outdented from the work area by the frame thickness
1102     // even though this "frame" is not painted.  This confuses code (and people)
1103     // that think of a maximized window as corresponding exactly to the work
1104     // area.  Correct for this by subtracting the frame thickness back off.
1105     if (::IsZoomed(hwnd)) {
1106       bounds.Inset(GetSystemMetrics(SM_CXSIZEFRAME),
1107                    GetSystemMetrics(SM_CYSIZEFRAME));
1108
1109       bounds.Inset(GetSystemMetrics(SM_CXPADDEDBORDER),
1110                    GetSystemMetrics(SM_CXPADDEDBORDER));
1111     }
1112   }
1113
1114   bounds = gfx::win::ScreenToDIPRect(bounds);
1115 #endif
1116
1117   return bounds;
1118 }
1119
1120 void RenderWidgetHostViewAura::WheelEventAck(
1121     const blink::WebMouseWheelEvent& event,
1122     InputEventAckState ack_result) {
1123   if (overscroll_controller_) {
1124     overscroll_controller_->ReceivedEventACK(
1125         event, (INPUT_EVENT_ACK_STATE_CONSUMED == ack_result));
1126   }
1127 }
1128
1129 void RenderWidgetHostViewAura::GestureEventAck(
1130     const blink::WebGestureEvent& event,
1131     InputEventAckState ack_result) {
1132   if (touch_editing_client_)
1133     touch_editing_client_->GestureEventAck(event.type);
1134
1135   if (overscroll_controller_) {
1136     overscroll_controller_->ReceivedEventACK(
1137         event, (INPUT_EVENT_ACK_STATE_CONSUMED == ack_result));
1138   }
1139 }
1140
1141 void RenderWidgetHostViewAura::ProcessAckedTouchEvent(
1142     const TouchEventWithLatencyInfo& touch, InputEventAckState ack_result) {
1143   ScopedVector<ui::TouchEvent> events;
1144   if (!MakeUITouchEventsFromWebTouchEvents(touch, &events,
1145                                            SCREEN_COORDINATES))
1146     return;
1147
1148   aura::WindowTreeHost* host = window_->GetHost();
1149   // |host| is NULL during tests.
1150   if (!host)
1151     return;
1152
1153   ui::EventResult result = (ack_result ==
1154       INPUT_EVENT_ACK_STATE_CONSUMED) ? ui::ER_HANDLED : ui::ER_UNHANDLED;
1155   for (ScopedVector<ui::TouchEvent>::iterator iter = events.begin(),
1156       end = events.end(); iter != end; ++iter) {
1157     host->dispatcher()->ProcessedTouchEvent((*iter), window_, result);
1158   }
1159 }
1160
1161 scoped_ptr<SyntheticGestureTarget>
1162 RenderWidgetHostViewAura::CreateSyntheticGestureTarget() {
1163   return scoped_ptr<SyntheticGestureTarget>(
1164       new SyntheticGestureTargetAura(host_));
1165 }
1166
1167 InputEventAckState RenderWidgetHostViewAura::FilterInputEvent(
1168     const blink::WebInputEvent& input_event) {
1169   bool consumed = false;
1170   if (input_event.type == WebInputEvent::GestureFlingStart) {
1171     const WebGestureEvent& gesture_event =
1172         static_cast<const WebGestureEvent&>(input_event);
1173     // Zero-velocity touchpad flings are an Aura-specific signal that the
1174     // touchpad scroll has ended, and should not be forwarded to the renderer.
1175     if (gesture_event.sourceDevice == blink::WebGestureDeviceTouchpad &&
1176         !gesture_event.data.flingStart.velocityX &&
1177         !gesture_event.data.flingStart.velocityY) {
1178       consumed = true;
1179     }
1180   }
1181
1182   if (overscroll_controller_)
1183     consumed |= overscroll_controller_->WillHandleEvent(input_event);
1184
1185   return consumed && !WebTouchEvent::isTouchEventType(input_event.type)
1186              ? INPUT_EVENT_ACK_STATE_CONSUMED
1187              : INPUT_EVENT_ACK_STATE_NOT_CONSUMED;
1188 }
1189
1190 BrowserAccessibilityManager*
1191 RenderWidgetHostViewAura::CreateBrowserAccessibilityManager(
1192     BrowserAccessibilityDelegate* delegate) {
1193   BrowserAccessibilityManager* manager = NULL;
1194 #if defined(OS_WIN)
1195   manager = new BrowserAccessibilityManagerWin(
1196       BrowserAccessibilityManagerWin::GetEmptyDocument(), delegate);
1197 #else
1198   manager = BrowserAccessibilityManager::Create(
1199       BrowserAccessibilityManager::GetEmptyDocument(), delegate);
1200 #endif
1201   return manager;
1202 }
1203
1204 gfx::AcceleratedWidget
1205 RenderWidgetHostViewAura::AccessibilityGetAcceleratedWidget() {
1206 #if defined(OS_WIN)
1207   if (legacy_render_widget_host_HWND_)
1208     return legacy_render_widget_host_HWND_->hwnd();
1209 #endif
1210   return gfx::kNullAcceleratedWidget;
1211 }
1212
1213 gfx::NativeViewAccessible
1214 RenderWidgetHostViewAura::AccessibilityGetNativeViewAccessible() {
1215 #if defined(OS_WIN)
1216   if (legacy_render_widget_host_HWND_)
1217     return legacy_render_widget_host_HWND_->window_accessible();
1218 #endif
1219   return NULL;
1220
1221 }
1222
1223 gfx::GLSurfaceHandle RenderWidgetHostViewAura::GetCompositingSurface() {
1224   return ImageTransportFactory::GetInstance()->GetSharedSurfaceHandle();
1225 }
1226
1227 bool RenderWidgetHostViewAura::LockMouse() {
1228   aura::Window* root_window = window_->GetRootWindow();
1229   if (!root_window)
1230     return false;
1231
1232   if (mouse_locked_)
1233     return true;
1234
1235   mouse_locked_ = true;
1236 #if !defined(OS_WIN)
1237   window_->SetCapture();
1238 #else
1239   UpdateMouseLockRegion();
1240 #endif
1241   aura::client::CursorClient* cursor_client =
1242       aura::client::GetCursorClient(root_window);
1243   if (cursor_client) {
1244     cursor_client->HideCursor();
1245     cursor_client->LockCursor();
1246   }
1247
1248   if (ShouldMoveToCenter()) {
1249     synthetic_move_sent_ = true;
1250     window_->MoveCursorTo(gfx::Rect(window_->bounds().size()).CenterPoint());
1251   }
1252   tooltip_disabler_.reset(new aura::client::ScopedTooltipDisabler(root_window));
1253   return true;
1254 }
1255
1256 void RenderWidgetHostViewAura::UnlockMouse() {
1257   tooltip_disabler_.reset();
1258
1259   aura::Window* root_window = window_->GetRootWindow();
1260   if (!mouse_locked_ || !root_window)
1261     return;
1262
1263   mouse_locked_ = false;
1264
1265 #if !defined(OS_WIN)
1266   window_->ReleaseCapture();
1267 #else
1268   ::ClipCursor(NULL);
1269 #endif
1270   window_->MoveCursorTo(unlocked_mouse_position_);
1271   aura::client::CursorClient* cursor_client =
1272       aura::client::GetCursorClient(root_window);
1273   if (cursor_client) {
1274     cursor_client->UnlockCursor();
1275     cursor_client->ShowCursor();
1276   }
1277
1278   host_->LostMouseLock();
1279 }
1280
1281 ////////////////////////////////////////////////////////////////////////////////
1282 // RenderWidgetHostViewAura, ui::TextInputClient implementation:
1283 void RenderWidgetHostViewAura::SetCompositionText(
1284     const ui::CompositionText& composition) {
1285   if (!host_)
1286     return;
1287
1288   // TODO(suzhe): convert both renderer_host and renderer to use
1289   // ui::CompositionText.
1290   std::vector<blink::WebCompositionUnderline> underlines;
1291   underlines.reserve(composition.underlines.size());
1292   for (std::vector<ui::CompositionUnderline>::const_iterator it =
1293            composition.underlines.begin();
1294        it != composition.underlines.end(); ++it) {
1295     underlines.push_back(
1296         blink::WebCompositionUnderline(static_cast<unsigned>(it->start_offset),
1297                                        static_cast<unsigned>(it->end_offset),
1298                                        it->color,
1299                                        it->thick,
1300                                        it->background_color));
1301   }
1302
1303   // TODO(suzhe): due to a bug of webkit, we can't use selection range with
1304   // composition string. See: https://bugs.webkit.org/show_bug.cgi?id=37788
1305   host_->ImeSetComposition(composition.text, underlines,
1306                            composition.selection.end(),
1307                            composition.selection.end());
1308
1309   has_composition_text_ = !composition.text.empty();
1310 }
1311
1312 void RenderWidgetHostViewAura::ConfirmCompositionText() {
1313   if (host_ && has_composition_text_) {
1314     host_->ImeConfirmComposition(base::string16(), gfx::Range::InvalidRange(),
1315                                  false);
1316   }
1317   has_composition_text_ = false;
1318 }
1319
1320 void RenderWidgetHostViewAura::ClearCompositionText() {
1321   if (host_ && has_composition_text_)
1322     host_->ImeCancelComposition();
1323   has_composition_text_ = false;
1324 }
1325
1326 void RenderWidgetHostViewAura::InsertText(const base::string16& text) {
1327   DCHECK(text_input_type_ != ui::TEXT_INPUT_TYPE_NONE);
1328   if (host_)
1329     host_->ImeConfirmComposition(text, gfx::Range::InvalidRange(), false);
1330   has_composition_text_ = false;
1331 }
1332
1333 void RenderWidgetHostViewAura::InsertChar(base::char16 ch, int flags) {
1334   if (popup_child_host_view_ && popup_child_host_view_->NeedsInputGrab()) {
1335     popup_child_host_view_->InsertChar(ch, flags);
1336     return;
1337   }
1338
1339   // Ignore character messages for VKEY_RETURN sent on CTRL+M. crbug.com/315547
1340   if (host_ && (accept_return_character_ || ch != ui::VKEY_RETURN)) {
1341     double now = ui::EventTimeForNow().InSecondsF();
1342     // Send a blink::WebInputEvent::Char event to |host_|.
1343     NativeWebKeyboardEvent webkit_event(ui::ET_KEY_PRESSED,
1344                                         true /* is_char */,
1345                                         ch,
1346                                         flags,
1347                                         now);
1348     ForwardKeyboardEvent(webkit_event);
1349   }
1350 }
1351
1352 gfx::NativeWindow RenderWidgetHostViewAura::GetAttachedWindow() const {
1353   return window_;
1354 }
1355
1356 ui::TextInputType RenderWidgetHostViewAura::GetTextInputType() const {
1357   return text_input_type_;
1358 }
1359
1360 ui::TextInputMode RenderWidgetHostViewAura::GetTextInputMode() const {
1361   return text_input_mode_;
1362 }
1363
1364 bool RenderWidgetHostViewAura::CanComposeInline() const {
1365   return can_compose_inline_;
1366 }
1367
1368 gfx::Rect RenderWidgetHostViewAura::ConvertRectToScreen(
1369     const gfx::Rect& rect) const {
1370   gfx::Point origin = rect.origin();
1371   gfx::Point end = gfx::Point(rect.right(), rect.bottom());
1372
1373   aura::Window* root_window = window_->GetRootWindow();
1374   if (!root_window)
1375     return rect;
1376   aura::client::ScreenPositionClient* screen_position_client =
1377       aura::client::GetScreenPositionClient(root_window);
1378   if (!screen_position_client)
1379     return rect;
1380   screen_position_client->ConvertPointToScreen(window_, &origin);
1381   screen_position_client->ConvertPointToScreen(window_, &end);
1382   return gfx::Rect(origin.x(),
1383                    origin.y(),
1384                    end.x() - origin.x(),
1385                    end.y() - origin.y());
1386 }
1387
1388 gfx::Rect RenderWidgetHostViewAura::ConvertRectFromScreen(
1389     const gfx::Rect& rect) const {
1390   gfx::Point origin = rect.origin();
1391   gfx::Point end = gfx::Point(rect.right(), rect.bottom());
1392
1393   aura::Window* root_window = window_->GetRootWindow();
1394   if (root_window) {
1395     aura::client::ScreenPositionClient* screen_position_client =
1396         aura::client::GetScreenPositionClient(root_window);
1397     screen_position_client->ConvertPointFromScreen(window_, &origin);
1398     screen_position_client->ConvertPointFromScreen(window_, &end);
1399     return gfx::Rect(origin.x(),
1400                      origin.y(),
1401                      end.x() - origin.x(),
1402                      end.y() - origin.y());
1403   }
1404
1405   return rect;
1406 }
1407
1408 gfx::Rect RenderWidgetHostViewAura::GetCaretBounds() const {
1409   const gfx::Rect rect =
1410       gfx::UnionRects(selection_anchor_rect_, selection_focus_rect_);
1411   return ConvertRectToScreen(rect);
1412 }
1413
1414 bool RenderWidgetHostViewAura::GetCompositionCharacterBounds(
1415     uint32 index,
1416     gfx::Rect* rect) const {
1417   DCHECK(rect);
1418   if (index >= composition_character_bounds_.size())
1419     return false;
1420   *rect = ConvertRectToScreen(composition_character_bounds_[index]);
1421   return true;
1422 }
1423
1424 bool RenderWidgetHostViewAura::HasCompositionText() const {
1425   return has_composition_text_;
1426 }
1427
1428 bool RenderWidgetHostViewAura::GetTextRange(gfx::Range* range) const {
1429   range->set_start(selection_text_offset_);
1430   range->set_end(selection_text_offset_ + selection_text_.length());
1431   return true;
1432 }
1433
1434 bool RenderWidgetHostViewAura::GetCompositionTextRange(
1435     gfx::Range* range) const {
1436   // TODO(suzhe): implement this method when fixing http://crbug.com/55130.
1437   NOTIMPLEMENTED();
1438   return false;
1439 }
1440
1441 bool RenderWidgetHostViewAura::GetSelectionRange(gfx::Range* range) const {
1442   range->set_start(selection_range_.start());
1443   range->set_end(selection_range_.end());
1444   return true;
1445 }
1446
1447 bool RenderWidgetHostViewAura::SetSelectionRange(const gfx::Range& range) {
1448   // TODO(suzhe): implement this method when fixing http://crbug.com/55130.
1449   NOTIMPLEMENTED();
1450   return false;
1451 }
1452
1453 bool RenderWidgetHostViewAura::DeleteRange(const gfx::Range& range) {
1454   // TODO(suzhe): implement this method when fixing http://crbug.com/55130.
1455   NOTIMPLEMENTED();
1456   return false;
1457 }
1458
1459 bool RenderWidgetHostViewAura::GetTextFromRange(
1460     const gfx::Range& range,
1461     base::string16* text) const {
1462   gfx::Range selection_text_range(selection_text_offset_,
1463       selection_text_offset_ + selection_text_.length());
1464
1465   if (!selection_text_range.Contains(range)) {
1466     text->clear();
1467     return false;
1468   }
1469   if (selection_text_range.EqualsIgnoringDirection(range)) {
1470     // Avoid calling substr whose performance is low.
1471     *text = selection_text_;
1472   } else {
1473     *text = selection_text_.substr(
1474         range.GetMin() - selection_text_offset_,
1475         range.length());
1476   }
1477   return true;
1478 }
1479
1480 void RenderWidgetHostViewAura::OnInputMethodChanged() {
1481   if (!host_)
1482     return;
1483
1484   if (GetInputMethod())
1485     host_->SetInputMethodActive(GetInputMethod()->IsActive());
1486
1487   // TODO(suzhe): implement the newly added “locale” property of HTML DOM
1488   // TextEvent.
1489 }
1490
1491 bool RenderWidgetHostViewAura::ChangeTextDirectionAndLayoutAlignment(
1492       base::i18n::TextDirection direction) {
1493   if (!host_)
1494     return false;
1495   host_->UpdateTextDirection(
1496       direction == base::i18n::RIGHT_TO_LEFT ?
1497       blink::WebTextDirectionRightToLeft :
1498       blink::WebTextDirectionLeftToRight);
1499   host_->NotifyTextDirection();
1500   return true;
1501 }
1502
1503 void RenderWidgetHostViewAura::ExtendSelectionAndDelete(
1504     size_t before, size_t after) {
1505   RenderFrameHostImpl* rfh = GetFocusedFrame();
1506   if (rfh)
1507     rfh->ExtendSelectionAndDelete(before, after);
1508 }
1509
1510 void RenderWidgetHostViewAura::EnsureCaretInRect(const gfx::Rect& rect) {
1511   gfx::Rect intersected_rect(
1512       gfx::IntersectRects(rect, window_->GetBoundsInScreen()));
1513
1514   if (intersected_rect.IsEmpty())
1515     return;
1516
1517   host_->ScrollFocusedEditableNodeIntoRect(
1518       ConvertRectFromScreen(intersected_rect));
1519 }
1520
1521 void RenderWidgetHostViewAura::OnCandidateWindowShown() {
1522   host_->CandidateWindowShown();
1523 }
1524
1525 void RenderWidgetHostViewAura::OnCandidateWindowUpdated() {
1526   host_->CandidateWindowUpdated();
1527 }
1528
1529 void RenderWidgetHostViewAura::OnCandidateWindowHidden() {
1530   host_->CandidateWindowHidden();
1531 }
1532
1533 bool RenderWidgetHostViewAura::IsEditingCommandEnabled(int command_id) {
1534   return false;
1535 }
1536
1537 void RenderWidgetHostViewAura::ExecuteEditingCommand(int command_id) {
1538 }
1539
1540 ////////////////////////////////////////////////////////////////////////////////
1541 // RenderWidgetHostViewAura, gfx::DisplayObserver implementation:
1542
1543 void RenderWidgetHostViewAura::OnDisplayAdded(
1544     const gfx::Display& new_display) {
1545 }
1546
1547 void RenderWidgetHostViewAura::OnDisplayRemoved(
1548     const gfx::Display& old_display) {
1549 }
1550
1551 void RenderWidgetHostViewAura::OnDisplayMetricsChanged(
1552     const gfx::Display& display, uint32_t metrics) {
1553   // The screen info should be updated regardless of the metric change.
1554   gfx::Screen* screen = gfx::Screen::GetScreenFor(window_);
1555   if (display.id() == screen->GetDisplayNearestWindow(window_).id()) {
1556     UpdateScreenInfo(window_);
1557     current_cursor_.SetDisplayInfo(display);
1558     UpdateCursorIfOverSelf();
1559   }
1560 }
1561
1562 ////////////////////////////////////////////////////////////////////////////////
1563 // RenderWidgetHostViewAura, aura::WindowDelegate implementation:
1564
1565 gfx::Size RenderWidgetHostViewAura::GetMinimumSize() const {
1566   return gfx::Size();
1567 }
1568
1569 gfx::Size RenderWidgetHostViewAura::GetMaximumSize() const {
1570   return gfx::Size();
1571 }
1572
1573 void RenderWidgetHostViewAura::OnBoundsChanged(const gfx::Rect& old_bounds,
1574                                                const gfx::Rect& new_bounds) {
1575   base::AutoReset<bool> in_bounds_changed(&in_bounds_changed_, true);
1576   // We care about this whenever RenderWidgetHostViewAura is not owned by a
1577   // WebContentsViewAura since changes to the Window's bounds need to be
1578   // messaged to the renderer.  WebContentsViewAura invokes SetSize() or
1579   // SetBounds() itself.  No matter how we got here, any redundant calls are
1580   // harmless.
1581   SetSize(new_bounds.size());
1582
1583   if (GetInputMethod())
1584     GetInputMethod()->OnCaretBoundsChanged(this);
1585 }
1586
1587 gfx::NativeCursor RenderWidgetHostViewAura::GetCursor(const gfx::Point& point) {
1588   if (mouse_locked_)
1589     return ui::kCursorNone;
1590   return current_cursor_.GetNativeCursor();
1591 }
1592
1593 int RenderWidgetHostViewAura::GetNonClientComponent(
1594     const gfx::Point& point) const {
1595   return HTCLIENT;
1596 }
1597
1598 bool RenderWidgetHostViewAura::ShouldDescendIntoChildForEventHandling(
1599     aura::Window* child,
1600     const gfx::Point& location) {
1601   return true;
1602 }
1603
1604 bool RenderWidgetHostViewAura::CanFocus() {
1605   return popup_type_ == blink::WebPopupTypeNone;
1606 }
1607
1608 void RenderWidgetHostViewAura::OnCaptureLost() {
1609   host_->LostCapture();
1610   if (touch_editing_client_)
1611     touch_editing_client_->EndTouchEditing(false);
1612 }
1613
1614 void RenderWidgetHostViewAura::OnPaint(gfx::Canvas* canvas) {
1615   // For non-opaque windows, we don't draw anything, since we depend on the
1616   // canvas coming from the compositor to already be initialized as
1617   // transparent.
1618   if (window_->layer()->fills_bounds_opaquely())
1619     canvas->DrawColor(SK_ColorWHITE);
1620 }
1621
1622 void RenderWidgetHostViewAura::OnDeviceScaleFactorChanged(
1623     float device_scale_factor) {
1624   if (!host_ || !window_->GetRootWindow())
1625     return;
1626
1627   UpdateScreenInfo(window_);
1628
1629   const gfx::Display display = gfx::Screen::GetScreenFor(window_)->
1630       GetDisplayNearestWindow(window_);
1631   DCHECK_EQ(device_scale_factor, display.device_scale_factor());
1632   current_cursor_.SetDisplayInfo(display);
1633   SnapToPhysicalPixelBoundary();
1634 }
1635
1636 void RenderWidgetHostViewAura::OnWindowDestroying(aura::Window* window) {
1637 #if defined(OS_WIN)
1638   HWND parent = NULL;
1639   // If the tab was hidden and it's closed, host_->is_hidden would have been
1640   // reset to false in RenderWidgetHostImpl::RendererExited.
1641   if (!window_->GetRootWindow() || host_->is_hidden()) {
1642     parent = ui::GetHiddenWindow();
1643   } else {
1644     parent = window_->GetHost()->GetAcceleratedWidget();
1645   }
1646   LPARAM lparam = reinterpret_cast<LPARAM>(this);
1647   EnumChildWindows(parent, WindowDestroyingCallback, lparam);
1648
1649   // The LegacyRenderWidgetHostHWND instance is destroyed when its window is
1650   // destroyed. Normally we control when that happens via the Destroy call
1651   // in the dtor. However there may be cases where the window is destroyed
1652   // by Windows, i.e. the parent window is destroyed before the
1653   // RenderWidgetHostViewAura instance goes away etc. To avoid that we
1654   // destroy the LegacyRenderWidgetHostHWND instance here.
1655   if (legacy_render_widget_host_HWND_) {
1656     legacy_render_widget_host_HWND_->set_host(NULL);
1657     legacy_render_widget_host_HWND_->Destroy();
1658     // The Destroy call above will delete the LegacyRenderWidgetHostHWND
1659     // instance.
1660     legacy_render_widget_host_HWND_ = NULL;
1661   }
1662 #endif
1663
1664   // Make sure that the input method no longer references to this object before
1665   // this object is removed from the root window (i.e. this object loses access
1666   // to the input method).
1667   ui::InputMethod* input_method = GetInputMethod();
1668   if (input_method)
1669     input_method->DetachTextInputClient(this);
1670
1671   if (overscroll_controller_)
1672     overscroll_controller_->Reset();
1673 }
1674
1675 void RenderWidgetHostViewAura::OnWindowDestroyed(aura::Window* window) {
1676   host_->ViewDestroyed();
1677   delete this;
1678 }
1679
1680 void RenderWidgetHostViewAura::OnWindowTargetVisibilityChanged(bool visible) {
1681 }
1682
1683 bool RenderWidgetHostViewAura::HasHitTestMask() const {
1684   return false;
1685 }
1686
1687 void RenderWidgetHostViewAura::GetHitTestMask(gfx::Path* mask) const {
1688 }
1689
1690 ////////////////////////////////////////////////////////////////////////////////
1691 // RenderWidgetHostViewAura, ui::EventHandler implementation:
1692
1693 void RenderWidgetHostViewAura::OnKeyEvent(ui::KeyEvent* event) {
1694   TRACE_EVENT0("input", "RenderWidgetHostViewAura::OnKeyEvent");
1695   if (touch_editing_client_ && touch_editing_client_->HandleInputEvent(event))
1696     return;
1697
1698   if (popup_child_host_view_ && popup_child_host_view_->NeedsInputGrab()) {
1699     popup_child_host_view_->OnKeyEvent(event);
1700     if (event->handled())
1701       return;
1702   }
1703
1704   // We need to handle the Escape key for Pepper Flash.
1705   if (is_fullscreen_ && event->key_code() == ui::VKEY_ESCAPE) {
1706     // Focus the window we were created from.
1707     if (host_tracker_.get() && !host_tracker_->windows().empty()) {
1708       aura::Window* host = *(host_tracker_->windows().begin());
1709       aura::client::FocusClient* client = aura::client::GetFocusClient(host);
1710       if (client) {
1711         // Calling host->Focus() may delete |this|. We create a local observer
1712         // for that. In that case we exit without further access to any members.
1713         aura::WindowTracker tracker;
1714         aura::Window* window = window_;
1715         tracker.Add(window);
1716         host->Focus();
1717         if (!tracker.Contains(window)) {
1718           event->SetHandled();
1719           return;
1720         }
1721       }
1722     }
1723     if (!in_shutdown_) {
1724       in_shutdown_ = true;
1725       host_->Shutdown();
1726     }
1727   } else {
1728     if (event->key_code() == ui::VKEY_RETURN) {
1729       // Do not forward return key release events if no press event was handled.
1730       if (event->type() == ui::ET_KEY_RELEASED && !accept_return_character_)
1731         return;
1732       // Accept return key character events between press and release events.
1733       accept_return_character_ = event->type() == ui::ET_KEY_PRESSED;
1734     }
1735
1736     // We don't have to communicate with an input method here.
1737     if (!event->HasNativeEvent()) {
1738       NativeWebKeyboardEvent webkit_event(
1739           event->type(),
1740           event->is_char(),
1741           event->is_char() ? event->GetCharacter() : event->key_code(),
1742           event->flags(),
1743           ui::EventTimeForNow().InSecondsF());
1744       ForwardKeyboardEvent(webkit_event);
1745     } else {
1746       NativeWebKeyboardEvent webkit_event(event);
1747       ForwardKeyboardEvent(webkit_event);
1748     }
1749   }
1750   event->SetHandled();
1751 }
1752
1753 void RenderWidgetHostViewAura::OnMouseEvent(ui::MouseEvent* event) {
1754   TRACE_EVENT0("input", "RenderWidgetHostViewAura::OnMouseEvent");
1755
1756   if (touch_editing_client_ && touch_editing_client_->HandleInputEvent(event))
1757     return;
1758
1759   if (mouse_locked_) {
1760     aura::client::CursorClient* cursor_client =
1761         aura::client::GetCursorClient(window_->GetRootWindow());
1762     DCHECK(!cursor_client || !cursor_client->IsCursorVisible());
1763
1764     if (event->type() == ui::ET_MOUSEWHEEL) {
1765       blink::WebMouseWheelEvent mouse_wheel_event =
1766           MakeWebMouseWheelEvent(static_cast<ui::MouseWheelEvent*>(event));
1767       if (mouse_wheel_event.deltaX != 0 || mouse_wheel_event.deltaY != 0)
1768         host_->ForwardWheelEvent(mouse_wheel_event);
1769       return;
1770     }
1771
1772     gfx::Point center(gfx::Rect(window_->bounds().size()).CenterPoint());
1773
1774     // If we receive non client mouse messages while we are in the locked state
1775     // it probably means that the mouse left the borders of our window and
1776     // needs to be moved back to the center.
1777     if (event->flags() & ui::EF_IS_NON_CLIENT) {
1778       synthetic_move_sent_ = true;
1779       window_->MoveCursorTo(center);
1780       return;
1781     }
1782
1783     blink::WebMouseEvent mouse_event = MakeWebMouseEvent(event);
1784
1785     bool is_move_to_center_event = (event->type() == ui::ET_MOUSE_MOVED ||
1786         event->type() == ui::ET_MOUSE_DRAGGED) &&
1787         mouse_event.x == center.x() && mouse_event.y == center.y();
1788
1789     ModifyEventMovementAndCoords(&mouse_event);
1790
1791     bool should_not_forward = is_move_to_center_event && synthetic_move_sent_;
1792     if (should_not_forward) {
1793       synthetic_move_sent_ = false;
1794     } else {
1795       // Check if the mouse has reached the border and needs to be centered.
1796       if (ShouldMoveToCenter()) {
1797         synthetic_move_sent_ = true;
1798         window_->MoveCursorTo(center);
1799       }
1800       // Forward event to renderer.
1801       if (CanRendererHandleEvent(event) &&
1802           !(event->flags() & ui::EF_FROM_TOUCH)) {
1803         host_->ForwardMouseEvent(mouse_event);
1804         // Ensure that we get keyboard focus on mouse down as a plugin window
1805         // may have grabbed keyboard focus.
1806         if (event->type() == ui::ET_MOUSE_PRESSED)
1807           SetKeyboardFocus();
1808       }
1809     }
1810     return;
1811   }
1812
1813   // As the overscroll is handled during scroll events from the trackpad, the
1814   // RWHVA window is transformed by the overscroll controller. This transform
1815   // triggers a synthetic mouse-move event to be generated (by the aura
1816   // RootWindow). But this event interferes with the overscroll gesture. So,
1817   // ignore such synthetic mouse-move events if an overscroll gesture is in
1818   // progress.
1819   if (overscroll_controller_ &&
1820       overscroll_controller_->overscroll_mode() != OVERSCROLL_NONE &&
1821       event->flags() & ui::EF_IS_SYNTHESIZED &&
1822       (event->type() == ui::ET_MOUSE_ENTERED ||
1823        event->type() == ui::ET_MOUSE_EXITED ||
1824        event->type() == ui::ET_MOUSE_MOVED)) {
1825     event->StopPropagation();
1826     return;
1827   }
1828
1829   if (event->type() == ui::ET_MOUSEWHEEL) {
1830 #if defined(OS_WIN)
1831     // We get mouse wheel/scroll messages even if we are not in the foreground.
1832     // So here we check if we have any owned popup windows in the foreground and
1833     // dismiss them.
1834     aura::WindowTreeHost* host = window_->GetHost();
1835     if (host) {
1836       HWND parent = host->GetAcceleratedWidget();
1837       HWND toplevel_hwnd = ::GetAncestor(parent, GA_ROOT);
1838       EnumThreadWindows(GetCurrentThreadId(),
1839                         DismissOwnedPopups,
1840                         reinterpret_cast<LPARAM>(toplevel_hwnd));
1841     }
1842 #endif
1843     blink::WebMouseWheelEvent mouse_wheel_event =
1844         MakeWebMouseWheelEvent(static_cast<ui::MouseWheelEvent*>(event));
1845     if (mouse_wheel_event.deltaX != 0 || mouse_wheel_event.deltaY != 0)
1846       host_->ForwardWheelEvent(mouse_wheel_event);
1847   } else if (CanRendererHandleEvent(event) &&
1848              !(event->flags() & ui::EF_FROM_TOUCH)) {
1849     blink::WebMouseEvent mouse_event = MakeWebMouseEvent(event);
1850     ModifyEventMovementAndCoords(&mouse_event);
1851     host_->ForwardMouseEvent(mouse_event);
1852     // Ensure that we get keyboard focus on mouse down as a plugin window may
1853     // have grabbed keyboard focus.
1854     if (event->type() == ui::ET_MOUSE_PRESSED)
1855       SetKeyboardFocus();
1856   }
1857
1858   switch (event->type()) {
1859     case ui::ET_MOUSE_PRESSED:
1860       window_->SetCapture();
1861       // Confirm existing composition text on mouse click events, to make sure
1862       // the input caret won't be moved with an ongoing composition text.
1863       FinishImeCompositionSession();
1864       break;
1865     case ui::ET_MOUSE_RELEASED:
1866       window_->ReleaseCapture();
1867       break;
1868     default:
1869       break;
1870   }
1871
1872   // Needed to propagate mouse event to |window_->parent()->delegate()|, but
1873   // note that it might be something other than a WebContentsViewAura instance.
1874   // TODO(pkotwicz): Find a better way of doing this.
1875   // In fullscreen mode which is typically used by flash, don't forward
1876   // the mouse events to the parent. The renderer and the plugin process
1877   // handle these events.
1878   if (!is_fullscreen_ && window_->parent()->delegate() &&
1879       !(event->flags() & ui::EF_FROM_TOUCH)) {
1880     event->ConvertLocationToTarget(window_, window_->parent());
1881     window_->parent()->delegate()->OnMouseEvent(event);
1882   }
1883
1884   if (!IsXButtonUpEvent(event))
1885     event->SetHandled();
1886 }
1887
1888 void RenderWidgetHostViewAura::OnScrollEvent(ui::ScrollEvent* event) {
1889   TRACE_EVENT0("input", "RenderWidgetHostViewAura::OnScrollEvent");
1890   if (touch_editing_client_ && touch_editing_client_->HandleInputEvent(event))
1891     return;
1892
1893   if (event->type() == ui::ET_SCROLL) {
1894 #if !defined(OS_WIN)
1895     // TODO(ananta)
1896     // Investigate if this is true for Windows 8 Metro ASH as well.
1897     if (event->finger_count() != 2)
1898       return;
1899 #endif
1900     blink::WebGestureEvent gesture_event =
1901         MakeWebGestureEventFlingCancel();
1902     host_->ForwardGestureEvent(gesture_event);
1903     blink::WebMouseWheelEvent mouse_wheel_event =
1904         MakeWebMouseWheelEvent(event);
1905     host_->ForwardWheelEvent(mouse_wheel_event);
1906     RecordAction(base::UserMetricsAction("TrackpadScroll"));
1907   } else if (event->type() == ui::ET_SCROLL_FLING_START ||
1908              event->type() == ui::ET_SCROLL_FLING_CANCEL) {
1909     blink::WebGestureEvent gesture_event =
1910         MakeWebGestureEvent(event);
1911     host_->ForwardGestureEvent(gesture_event);
1912     if (event->type() == ui::ET_SCROLL_FLING_START)
1913       RecordAction(base::UserMetricsAction("TrackpadScrollFling"));
1914   }
1915
1916   event->SetHandled();
1917 }
1918
1919 void RenderWidgetHostViewAura::OnTouchEvent(ui::TouchEvent* event) {
1920   TRACE_EVENT0("input", "RenderWidgetHostViewAura::OnTouchEvent");
1921   if (touch_editing_client_ && touch_editing_client_->HandleInputEvent(event))
1922     return;
1923
1924   // Update the touch event first.
1925   blink::WebTouchPoint* point = UpdateWebTouchEventFromUIEvent(*event,
1926                                                                 &touch_event_);
1927
1928   // Forward the touch event only if a touch point was updated, and there's a
1929   // touch-event handler in the page, and no other touch-event is in the queue.
1930   // It is important to always consume the event if there is a touch-event
1931   // handler in the page, or some touch-event is already in the queue, even if
1932   // no point has been updated, to make sure that this event does not get
1933   // processed by the gesture recognizer before the events in the queue.
1934   if (host_->ShouldForwardTouchEvent())
1935     event->StopPropagation();
1936
1937   if (point) {
1938     if (host_->ShouldForwardTouchEvent())
1939       host_->ForwardTouchEventWithLatencyInfo(touch_event_, *event->latency());
1940     UpdateWebTouchEventAfterDispatch(&touch_event_, point);
1941   }
1942 }
1943
1944 void RenderWidgetHostViewAura::OnGestureEvent(ui::GestureEvent* event) {
1945   TRACE_EVENT0("input", "RenderWidgetHostViewAura::OnGestureEvent");
1946   if ((event->type() == ui::ET_GESTURE_PINCH_BEGIN ||
1947       event->type() == ui::ET_GESTURE_PINCH_UPDATE ||
1948       event->type() == ui::ET_GESTURE_PINCH_END) && !pinch_zoom_enabled_) {
1949     event->SetHandled();
1950     return;
1951   }
1952
1953   if (touch_editing_client_ && touch_editing_client_->HandleInputEvent(event))
1954     return;
1955
1956   RenderViewHostDelegate* delegate = NULL;
1957   if (host_->IsRenderView())
1958     delegate = RenderViewHost::From(host_)->GetDelegate();
1959
1960   if (delegate && event->type() == ui::ET_GESTURE_BEGIN &&
1961       event->details().touch_points() == 1) {
1962     delegate->HandleGestureBegin();
1963   }
1964
1965   blink::WebGestureEvent gesture = MakeWebGestureEvent(event);
1966   if (event->type() == ui::ET_GESTURE_TAP_DOWN) {
1967     // Webkit does not stop a fling-scroll on tap-down. So explicitly send an
1968     // event to stop any in-progress flings.
1969     blink::WebGestureEvent fling_cancel = gesture;
1970     fling_cancel.type = blink::WebInputEvent::GestureFlingCancel;
1971     fling_cancel.sourceDevice = blink::WebGestureDeviceTouchscreen;
1972     host_->ForwardGestureEvent(fling_cancel);
1973   }
1974
1975   if (gesture.type != blink::WebInputEvent::Undefined) {
1976     host_->ForwardGestureEventWithLatencyInfo(gesture, *event->latency());
1977
1978     if (event->type() == ui::ET_GESTURE_SCROLL_BEGIN ||
1979         event->type() == ui::ET_GESTURE_SCROLL_UPDATE ||
1980         event->type() == ui::ET_GESTURE_SCROLL_END) {
1981       RecordAction(base::UserMetricsAction("TouchscreenScroll"));
1982     } else if (event->type() == ui::ET_SCROLL_FLING_START) {
1983       RecordAction(base::UserMetricsAction("TouchscreenScrollFling"));
1984     }
1985   }
1986
1987   if (delegate && event->type() == ui::ET_GESTURE_END &&
1988       event->details().touch_points() == 1) {
1989     delegate->HandleGestureEnd();
1990   }
1991
1992   // If a gesture is not processed by the webpage, then WebKit processes it
1993   // (e.g. generates synthetic mouse events).
1994   event->SetHandled();
1995 }
1996
1997 ////////////////////////////////////////////////////////////////////////////////
1998 // RenderWidgetHostViewAura, aura::client::ActivationDelegate implementation:
1999
2000 bool RenderWidgetHostViewAura::ShouldActivate() const {
2001   aura::WindowTreeHost* host = window_->GetHost();
2002   if (!host)
2003     return true;
2004   const ui::Event* event = host->dispatcher()->current_event();
2005   if (!event)
2006     return true;
2007   return is_fullscreen_;
2008 }
2009
2010 ////////////////////////////////////////////////////////////////////////////////
2011 // RenderWidgetHostViewAura,
2012 //     aura::client::ActivationChangeObserver implementation:
2013
2014 void RenderWidgetHostViewAura::OnWindowActivated(aura::Window* gained_active,
2015                                                  aura::Window* lost_active) {
2016   DCHECK(window_ == gained_active || window_ == lost_active);
2017   if (window_ == gained_active) {
2018     const ui::Event* event = window_->GetHost()->dispatcher()->current_event();
2019     if (event && PointerEventActivates(*event))
2020       host_->OnPointerEventActivate();
2021   }
2022 }
2023
2024 ////////////////////////////////////////////////////////////////////////////////
2025 // RenderWidgetHostViewAura, aura::client::CursorClientObserver implementation:
2026
2027 void RenderWidgetHostViewAura::OnCursorVisibilityChanged(bool is_visible) {
2028   NotifyRendererOfCursorVisibilityState(is_visible);
2029 }
2030
2031 ////////////////////////////////////////////////////////////////////////////////
2032 // RenderWidgetHostViewAura, aura::client::FocusChangeObserver implementation:
2033
2034 void RenderWidgetHostViewAura::OnWindowFocused(aura::Window* gained_focus,
2035                                                aura::Window* lost_focus) {
2036   DCHECK(window_ == gained_focus || window_ == lost_focus);
2037   if (window_ == gained_focus) {
2038     // We need to honor input bypass if the associated tab is does not want
2039     // input. This gives the current focused window a chance to be the text
2040     // input client and handle events.
2041     if (host_->ignore_input_events())
2042       return;
2043
2044     host_->GotFocus();
2045     host_->SetActive(true);
2046
2047     ui::InputMethod* input_method = GetInputMethod();
2048     if (input_method) {
2049       // Ask the system-wide IME to send all TextInputClient messages to |this|
2050       // object.
2051       input_method->SetFocusedTextInputClient(this);
2052       host_->SetInputMethodActive(input_method->IsActive());
2053
2054       // Often the application can set focus to the view in response to a key
2055       // down. However the following char event shouldn't be sent to the web
2056       // page.
2057       host_->SuppressNextCharEvents();
2058     } else {
2059       host_->SetInputMethodActive(false);
2060     }
2061
2062     BrowserAccessibilityManager* manager =
2063         host_->GetRootBrowserAccessibilityManager();
2064     if (manager)
2065       manager->OnWindowFocused();
2066   } else if (window_ == lost_focus) {
2067     host_->SetActive(false);
2068     host_->Blur();
2069
2070     DetachFromInputMethod();
2071     host_->SetInputMethodActive(false);
2072
2073     if (touch_editing_client_)
2074       touch_editing_client_->EndTouchEditing(false);
2075
2076     if (overscroll_controller_)
2077       overscroll_controller_->Cancel();
2078
2079     BrowserAccessibilityManager* manager =
2080         host_->GetRootBrowserAccessibilityManager();
2081     if (manager)
2082       manager->OnWindowBlurred();
2083
2084     // If we lose the focus while fullscreen, close the window; Pepper Flash
2085     // won't do it for us (unlike NPAPI Flash). However, we do not close the
2086     // window if we lose the focus to a window on another display.
2087     gfx::Screen* screen = gfx::Screen::GetScreenFor(window_);
2088     bool focusing_other_display =
2089         gained_focus && screen->GetNumDisplays() > 1 &&
2090         (screen->GetDisplayNearestWindow(window_).id() !=
2091          screen->GetDisplayNearestWindow(gained_focus).id());
2092     if (is_fullscreen_ && !in_shutdown_ && !focusing_other_display) {
2093 #if defined(OS_WIN)
2094       // On Windows, if we are switching to a non Aura Window on a different
2095       // screen we should not close the fullscreen window.
2096       if (!gained_focus) {
2097         POINT point = {0};
2098         ::GetCursorPos(&point);
2099         if (screen->GetDisplayNearestWindow(window_).id() !=
2100             screen->GetDisplayNearestPoint(gfx::Point(point)).id())
2101           return;
2102       }
2103 #endif
2104       in_shutdown_ = true;
2105       host_->Shutdown();
2106     }
2107   }
2108 }
2109
2110 ////////////////////////////////////////////////////////////////////////////////
2111 // RenderWidgetHostViewAura, aura::WindowTreeHostObserver implementation:
2112
2113 void RenderWidgetHostViewAura::OnHostMoved(const aura::WindowTreeHost* host,
2114                                            const gfx::Point& new_origin) {
2115   TRACE_EVENT1("ui", "RenderWidgetHostViewAura::OnHostMoved",
2116                "new_origin", new_origin.ToString());
2117
2118   UpdateScreenInfo(window_);
2119 }
2120
2121 ////////////////////////////////////////////////////////////////////////////////
2122 // RenderWidgetHostViewAura, private:
2123
2124 RenderWidgetHostViewAura::~RenderWidgetHostViewAura() {
2125   if (touch_editing_client_)
2126     touch_editing_client_->OnViewDestroyed();
2127
2128   delegated_frame_host_.reset();
2129   window_observer_.reset();
2130   if (window_->GetHost())
2131     window_->GetHost()->RemoveObserver(this);
2132   UnlockMouse();
2133   if (popup_parent_host_view_) {
2134     DCHECK(popup_parent_host_view_->popup_child_host_view_ == NULL ||
2135            popup_parent_host_view_->popup_child_host_view_ == this);
2136     popup_parent_host_view_->popup_child_host_view_ = NULL;
2137   }
2138   if (popup_child_host_view_) {
2139     DCHECK(popup_child_host_view_->popup_parent_host_view_ == NULL ||
2140            popup_child_host_view_->popup_parent_host_view_ == this);
2141     popup_child_host_view_->popup_parent_host_view_ = NULL;
2142   }
2143   event_filter_for_popup_exit_.reset();
2144   aura::client::SetTooltipText(window_, NULL);
2145   gfx::Screen::GetScreenFor(window_)->RemoveObserver(this);
2146
2147   // This call is usually no-op since |this| object is already removed from the
2148   // Aura root window and we don't have a way to get an input method object
2149   // associated with the window, but just in case.
2150   DetachFromInputMethod();
2151
2152 #if defined(OS_WIN)
2153   // The LegacyRenderWidgetHostHWND window should have been destroyed in
2154   // RenderWidgetHostViewAura::OnWindowDestroying and the pointer should
2155   // be set to NULL.
2156   DCHECK(!legacy_render_widget_host_HWND_);
2157 #endif
2158 }
2159
2160 void RenderWidgetHostViewAura::UpdateCursorIfOverSelf() {
2161   const gfx::Point screen_point =
2162       gfx::Screen::GetScreenFor(GetNativeView())->GetCursorScreenPoint();
2163   aura::Window* root_window = window_->GetRootWindow();
2164   if (!root_window)
2165     return;
2166
2167   gfx::Point root_window_point = screen_point;
2168   aura::client::ScreenPositionClient* screen_position_client =
2169       aura::client::GetScreenPositionClient(root_window);
2170   if (screen_position_client) {
2171     screen_position_client->ConvertPointFromScreen(
2172         root_window, &root_window_point);
2173   }
2174
2175   if (root_window->GetEventHandlerForPoint(root_window_point) != window_)
2176     return;
2177
2178   gfx::NativeCursor cursor = current_cursor_.GetNativeCursor();
2179   // Do not show loading cursor when the cursor is currently hidden.
2180   if (is_loading_ && cursor != ui::kCursorNone)
2181     cursor = ui::kCursorPointer;
2182
2183   aura::client::CursorClient* cursor_client =
2184       aura::client::GetCursorClient(root_window);
2185   if (cursor_client) {
2186     cursor_client->SetCursor(cursor);
2187   }
2188 }
2189
2190 ui::InputMethod* RenderWidgetHostViewAura::GetInputMethod() const {
2191   aura::Window* root_window = window_->GetRootWindow();
2192   if (!root_window)
2193     return NULL;
2194   return root_window->GetProperty(aura::client::kRootWindowInputMethodKey);
2195 }
2196
2197 bool RenderWidgetHostViewAura::NeedsInputGrab() {
2198   return popup_type_ == blink::WebPopupTypeSelect;
2199 }
2200
2201 void RenderWidgetHostViewAura::FinishImeCompositionSession() {
2202   if (!has_composition_text_)
2203     return;
2204   if (host_) {
2205     host_->ImeConfirmComposition(base::string16(), gfx::Range::InvalidRange(),
2206                                  false);
2207   }
2208   ImeCancelComposition();
2209 }
2210
2211 void RenderWidgetHostViewAura::ModifyEventMovementAndCoords(
2212     blink::WebMouseEvent* event) {
2213   // If the mouse has just entered, we must report zero movementX/Y. Hence we
2214   // reset any global_mouse_position set previously.
2215   if (event->type == blink::WebInputEvent::MouseEnter ||
2216       event->type == blink::WebInputEvent::MouseLeave)
2217     global_mouse_position_.SetPoint(event->globalX, event->globalY);
2218
2219   // Movement is computed by taking the difference of the new cursor position
2220   // and the previous. Under mouse lock the cursor will be warped back to the
2221   // center so that we are not limited by clipping boundaries.
2222   // We do not measure movement as the delta from cursor to center because
2223   // we may receive more mouse movement events before our warp has taken
2224   // effect.
2225   event->movementX = event->globalX - global_mouse_position_.x();
2226   event->movementY = event->globalY - global_mouse_position_.y();
2227
2228   global_mouse_position_.SetPoint(event->globalX, event->globalY);
2229
2230   // Under mouse lock, coordinates of mouse are locked to what they were when
2231   // mouse lock was entered.
2232   if (mouse_locked_) {
2233     event->x = unlocked_mouse_position_.x();
2234     event->y = unlocked_mouse_position_.y();
2235     event->windowX = unlocked_mouse_position_.x();
2236     event->windowY = unlocked_mouse_position_.y();
2237     event->globalX = unlocked_global_mouse_position_.x();
2238     event->globalY = unlocked_global_mouse_position_.y();
2239   } else {
2240     unlocked_mouse_position_.SetPoint(event->windowX, event->windowY);
2241     unlocked_global_mouse_position_.SetPoint(event->globalX, event->globalY);
2242   }
2243 }
2244
2245 void RenderWidgetHostViewAura::NotifyRendererOfCursorVisibilityState(
2246     bool is_visible) {
2247   if (host_->is_hidden() ||
2248       (cursor_visibility_state_in_renderer_ == VISIBLE && is_visible) ||
2249       (cursor_visibility_state_in_renderer_ == NOT_VISIBLE && !is_visible))
2250     return;
2251
2252   cursor_visibility_state_in_renderer_ = is_visible ? VISIBLE : NOT_VISIBLE;
2253   host_->SendCursorVisibilityState(is_visible);
2254 }
2255
2256 void RenderWidgetHostViewAura::SetOverscrollControllerEnabled(bool enabled) {
2257   if (!enabled)
2258     overscroll_controller_.reset();
2259   else if (!overscroll_controller_)
2260     overscroll_controller_.reset(new OverscrollController());
2261 }
2262
2263 void RenderWidgetHostViewAura::SnapToPhysicalPixelBoundary() {
2264   // The top left corner of our view in window coordinates might not land on a
2265   // device pixel boundary if we have a non-integer device scale. In that case,
2266   // to avoid the web contents area looking blurry we translate the web contents
2267   // in the +x, +y direction to land on the nearest pixel boundary. This may
2268   // cause the bottom and right edges to be clipped slightly, but that's ok.
2269   aura::Window* snapped = NULL;
2270   // On desktop, use the root window. On alternative environment (ash),
2271   // use the toplevel window which must be already snapped.
2272   if (gfx::Screen::GetScreenFor(window_) !=
2273       gfx::Screen::GetScreenByType(gfx::SCREEN_TYPE_ALTERNATE)) {
2274     snapped = window_->GetRootWindow();
2275   } else {
2276     snapped = window_->GetToplevelWindow();
2277   }
2278   if (snapped && snapped != window_)
2279     ui::SnapLayerToPhysicalPixelBoundary(snapped->layer(), window_->layer());
2280
2281   has_snapped_to_boundary_ = true;
2282 }
2283
2284 void RenderWidgetHostViewAura::InternalSetBounds(const gfx::Rect& rect) {
2285   if (HasDisplayPropertyChanged(window_))
2286     host_->InvalidateScreenInfo();
2287
2288   SnapToPhysicalPixelBoundary();
2289   // Don't recursively call SetBounds if this bounds update is the result of
2290   // a Window::SetBoundsInternal call.
2291   if (!in_bounds_changed_)
2292     window_->SetBounds(rect);
2293   host_->WasResized();
2294   delegated_frame_host_->WasResized();
2295   if (touch_editing_client_) {
2296     touch_editing_client_->OnSelectionOrCursorChanged(selection_anchor_rect_,
2297       selection_focus_rect_);
2298   }
2299 #if defined(OS_WIN)
2300   // Create the legacy dummy window which corresponds to the bounds of the
2301   // webcontents. This will be passed as the container window for windowless
2302   // plugins.
2303   // Plugins like Flash assume the container window which is returned via the
2304   // NPNVnetscapeWindow property corresponds to the bounds of the webpage.
2305   // This is not true in Aura where we have only HWND which is the main Aura
2306   // window. If we return this window to plugins like Flash then it causes the
2307   // coordinate translations done by these plugins to break.
2308   // Additonally the legacy dummy window is needed for accessibility and for
2309   // scrolling to work in legacy drivers for trackpoints/trackpads, etc.
2310   if (!legacy_window_destroyed_ && GetNativeViewId()) {
2311     if (!legacy_render_widget_host_HWND_) {
2312       legacy_render_widget_host_HWND_ = LegacyRenderWidgetHostHWND::Create(
2313           reinterpret_cast<HWND>(GetNativeViewId()));
2314     }
2315     if (legacy_render_widget_host_HWND_) {
2316       legacy_render_widget_host_HWND_->set_host(this);
2317       legacy_render_widget_host_HWND_->SetBounds(
2318           window_->GetBoundsInRootWindow());
2319       // There are cases where the parent window is created, made visible and
2320       // the associated RenderWidget is also visible before the
2321       // LegacyRenderWidgetHostHWND instace is created. Ensure that it is shown
2322       // here.
2323       if (!host_->is_hidden())
2324         legacy_render_widget_host_HWND_->Show();
2325     }
2326   }
2327
2328   if (mouse_locked_)
2329     UpdateMouseLockRegion();
2330 #endif
2331 }
2332
2333 void RenderWidgetHostViewAura::SchedulePaintIfNotInClip(
2334     const gfx::Rect& rect,
2335     const gfx::Rect& clip) {
2336   if (!clip.IsEmpty()) {
2337     gfx::Rect to_paint = gfx::SubtractRects(rect, clip);
2338     if (!to_paint.IsEmpty())
2339       window_->SchedulePaintInRect(to_paint);
2340   } else {
2341     window_->SchedulePaintInRect(rect);
2342   }
2343 }
2344
2345 bool RenderWidgetHostViewAura::ShouldMoveToCenter() {
2346   gfx::Rect rect = window_->bounds();
2347   rect = ConvertRectToScreen(rect);
2348   int border_x = rect.width() * kMouseLockBorderPercentage / 100;
2349   int border_y = rect.height() * kMouseLockBorderPercentage / 100;
2350
2351   return global_mouse_position_.x() < rect.x() + border_x ||
2352       global_mouse_position_.x() > rect.right() - border_x ||
2353       global_mouse_position_.y() < rect.y() + border_y ||
2354       global_mouse_position_.y() > rect.bottom() - border_y;
2355 }
2356
2357 void RenderWidgetHostViewAura::AddedToRootWindow() {
2358   window_->GetHost()->AddObserver(this);
2359   UpdateScreenInfo(window_);
2360
2361   aura::client::CursorClient* cursor_client =
2362       aura::client::GetCursorClient(window_->GetRootWindow());
2363   if (cursor_client) {
2364     cursor_client->AddObserver(this);
2365     NotifyRendererOfCursorVisibilityState(cursor_client->IsCursorVisible());
2366   }
2367   if (HasFocus()) {
2368     ui::InputMethod* input_method = GetInputMethod();
2369     if (input_method)
2370       input_method->SetFocusedTextInputClient(this);
2371   }
2372
2373 #if defined(OS_WIN)
2374   // The parent may have changed here. Ensure that the legacy window is
2375   // reparented accordingly.
2376   if (legacy_render_widget_host_HWND_)
2377     legacy_render_widget_host_HWND_->UpdateParent(
2378         reinterpret_cast<HWND>(GetNativeViewId()));
2379 #endif
2380
2381   delegated_frame_host_->AddedToWindow();
2382 }
2383
2384 void RenderWidgetHostViewAura::RemovingFromRootWindow() {
2385   aura::client::CursorClient* cursor_client =
2386       aura::client::GetCursorClient(window_->GetRootWindow());
2387   if (cursor_client)
2388     cursor_client->RemoveObserver(this);
2389
2390   DetachFromInputMethod();
2391
2392   window_->GetHost()->RemoveObserver(this);
2393   delegated_frame_host_->RemovingFromWindow();
2394
2395 #if defined(OS_WIN)
2396   // Update the legacy window's parent temporarily to the desktop window. It
2397   // will eventually get reparented to the right root.
2398   if (legacy_render_widget_host_HWND_)
2399     legacy_render_widget_host_HWND_->UpdateParent(::GetDesktopWindow());
2400 #endif
2401 }
2402
2403 void RenderWidgetHostViewAura::DetachFromInputMethod() {
2404   ui::InputMethod* input_method = GetInputMethod();
2405   if (input_method && input_method->GetTextInputClient() == this)
2406     input_method->SetFocusedTextInputClient(NULL);
2407 }
2408
2409 void RenderWidgetHostViewAura::ForwardKeyboardEvent(
2410     const NativeWebKeyboardEvent& event) {
2411 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
2412   ui::TextEditKeyBindingsDelegateAuraLinux* keybinding_delegate =
2413       ui::GetTextEditKeyBindingsDelegate();
2414   std::vector<ui::TextEditCommandAuraLinux> commands;
2415   if (!event.skip_in_browser &&
2416       keybinding_delegate &&
2417       event.os_event &&
2418       keybinding_delegate->MatchEvent(*event.os_event, &commands)) {
2419     // Transform from ui/ types to content/ types.
2420     EditCommands edit_commands;
2421     for (std::vector<ui::TextEditCommandAuraLinux>::const_iterator it =
2422              commands.begin(); it != commands.end(); ++it) {
2423       edit_commands.push_back(EditCommand(it->GetCommandString(),
2424                                           it->argument()));
2425     }
2426     host_->Send(new InputMsg_SetEditCommandsForNextKeyEvent(
2427         host_->GetRoutingID(), edit_commands));
2428     NativeWebKeyboardEvent copy_event(event);
2429     copy_event.match_edit_command = true;
2430     host_->ForwardKeyboardEvent(copy_event);
2431     return;
2432   }
2433 #endif
2434
2435   host_->ForwardKeyboardEvent(event);
2436 }
2437
2438 SkColorType RenderWidgetHostViewAura::PreferredReadbackFormat() {
2439   return kN32_SkColorType;
2440 }
2441
2442 ////////////////////////////////////////////////////////////////////////////////
2443 // DelegatedFrameHost, public:
2444
2445 ui::Compositor* RenderWidgetHostViewAura::GetCompositor() const {
2446   aura::WindowTreeHost* host = window_->GetHost();
2447   return host ? host->compositor() : NULL;
2448 }
2449
2450 ui::Layer* RenderWidgetHostViewAura::GetLayer() {
2451   return window_->layer();
2452 }
2453
2454 RenderWidgetHostImpl* RenderWidgetHostViewAura::GetHost() {
2455   return host_;
2456 }
2457
2458 bool RenderWidgetHostViewAura::IsVisible() {
2459   return IsShowing();
2460 }
2461
2462 gfx::Size RenderWidgetHostViewAura::DesiredFrameSize() {
2463   return window_->bounds().size();
2464 }
2465
2466 float RenderWidgetHostViewAura::CurrentDeviceScaleFactor() {
2467   return current_device_scale_factor_;
2468 }
2469
2470 gfx::Size RenderWidgetHostViewAura::ConvertViewSizeToPixel(
2471     const gfx::Size& size) {
2472   return content::ConvertViewSizeToPixel(this, size);
2473 }
2474
2475 scoped_ptr<ResizeLock> RenderWidgetHostViewAura::CreateResizeLock(
2476     bool defer_compositor_lock) {
2477   gfx::Size desired_size = window_->bounds().size();
2478   return scoped_ptr<ResizeLock>(new CompositorResizeLock(
2479       window_->GetHost(),
2480       desired_size,
2481       defer_compositor_lock,
2482       base::TimeDelta::FromMilliseconds(kResizeLockTimeoutMs)));
2483 }
2484
2485 DelegatedFrameHost* RenderWidgetHostViewAura::GetDelegatedFrameHost() const {
2486   return delegated_frame_host_.get();
2487 }
2488
2489 ////////////////////////////////////////////////////////////////////////////////
2490 // RenderWidgetHostViewBase, public:
2491
2492 // static
2493 void RenderWidgetHostViewBase::GetDefaultScreenInfo(WebScreenInfo* results) {
2494   GetScreenInfoForWindow(results, NULL);
2495 }
2496
2497 }  // namespace content