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/debug/trace_event.h"
  12 #include "base/logging.h"
  13 #include "base/message_loop/message_loop.h"
  14 #include "base/strings/string_number_conversions.h"
  15 #include "cc/output/copy_output_request.h"
  16 #include "cc/output/copy_output_result.h"
  17 #include "cc/resources/texture_mailbox.h"
  18 #include "cc/trees/layer_tree_settings.h"
  19 #include "content/browser/accessibility/browser_accessibility_manager.h"
  20 #include "content/browser/accessibility/browser_accessibility_state_impl.h"
  21 #include "content/browser/frame_host/frame_tree.h"
  22 #include "content/browser/frame_host/frame_tree_node.h"
  23 #include "content/browser/frame_host/render_frame_host_impl.h"
  24 #include "content/browser/gpu/compositor_util.h"
  25 #include "content/browser/renderer_host/compositor_resize_lock_aura.h"
  26 #include "content/browser/renderer_host/dip_util.h"
  27 #include "content/browser/renderer_host/input/synthetic_gesture_target_aura.h"
  28 #include "content/browser/renderer_host/overscroll_controller.h"
  29 #include "content/browser/renderer_host/render_view_host_delegate.h"
  30 #include "content/browser/renderer_host/render_view_host_impl.h"
  31 #include "content/browser/renderer_host/render_widget_host_impl.h"
  32 #include "content/browser/renderer_host/ui_events_helper.h"
  33 #include "content/browser/renderer_host/web_input_event_aura.h"
  34 #include "content/common/gpu/client/gl_helper.h"
  35 #include "content/common/gpu/gpu_messages.h"
  36 #include "content/common/view_messages.h"
  37 #include "content/public/browser/content_browser_client.h"
  38 #include "content/public/browser/render_view_host.h"
  39 #include "content/public/browser/render_widget_host_view_frame_subscriber.h"
  40 #include "content/public/browser/user_metrics.h"
  41 #include "third_party/WebKit/public/platform/WebScreenInfo.h"
  42 #include "third_party/WebKit/public/web/WebCompositionUnderline.h"
  43 #include "third_party/WebKit/public/web/WebInputEvent.h"
  44 #include "ui/aura/client/aura_constants.h"
  45 #include "ui/aura/client/cursor_client.h"
  46 #include "ui/aura/client/cursor_client_observer.h"
  47 #include "ui/aura/client/focus_client.h"
  48 #include "ui/aura/client/screen_position_client.h"
  49 #include "ui/aura/client/window_tree_client.h"
  50 #include "ui/aura/env.h"
  51 #include "ui/aura/window.h"
  52 #include "ui/aura/window_event_dispatcher.h"
  53 #include "ui/aura/window_observer.h"
  54 #include "ui/aura/window_tracker.h"
  55 #include "ui/aura/window_tree_host.h"
  56 #include "ui/base/clipboard/scoped_clipboard_writer.h"
  57 #include "ui/base/hit_test.h"
  58 #include "ui/base/ime/input_method.h"
  59 #include "ui/base/ui_base_types.h"
  60 #include "ui/compositor/compositor_vsync_manager.h"
  61 #include "ui/events/event.h"
  62 #include "ui/events/event_utils.h"
  63 #include "ui/events/gestures/gesture_recognizer.h"
  64 #include "ui/gfx/canvas.h"
  65 #include "ui/gfx/display.h"
  66 #include "ui/gfx/rect_conversions.h"
  67 #include "ui/gfx/screen.h"
  68 #include "ui/gfx/size_conversions.h"
  69 #include "ui/gfx/skia_util.h"
  70 #include "ui/wm/public/activation_client.h"
  71 #include "ui/wm/public/scoped_tooltip_disabler.h"
  72 #include "ui/wm/public/tooltip_client.h"
  73 #include "ui/wm/public/transient_window_client.h"
  74 #include "ui/wm/public/window_types.h"
  75
  76 #if defined(OS_WIN)
  77 #include "content/browser/accessibility/browser_accessibility_manager_win.h"
  78 #include "content/browser/accessibility/browser_accessibility_win.h"
  79 #include "content/browser/renderer_host/legacy_render_widget_host_win.h"
  80 #include "content/common/plugin_constants_win.h"
  81 #include "ui/base/win/hidden_window.h"
  82 #include "ui/gfx/gdi_util.h"
  83 #include "ui/gfx/win/dpi.h"
  84 #endif
  85
  86 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
  87 #include "content/common/input_messages.h"
  88 #include "ui/events/linux/text_edit_command_auralinux.h"
  89 #include "ui/events/linux/text_edit_key_bindings_delegate_auralinux.h"
  90 #endif
  91
  92 using gfx::RectToSkIRect;
  93 using gfx::SkIRectToRect;
  94
  95 using blink::WebScreenInfo;
  96 using blink::WebTouchEvent;
  97
  98 namespace content {
  99
 100 namespace {
 101
 102 // In mouse lock mode, we need to prevent the (invisible) cursor from hitting
 103 // the border of the view, in order to get valid movement information. However,
 104 // forcing the cursor back to the center of the view after each mouse move
 105 // doesn't work well. It reduces the frequency of useful mouse move messages
 106 // significantly. Therefore, we move the cursor to the center of the view only
 107 // if it approaches the border. |kMouseLockBorderPercentage| specifies the width
 108 // of the border area, in percentage of the corresponding dimension.
 109 const int kMouseLockBorderPercentage = 15;
 110
 111 // When accelerated compositing is enabled and a widget resize is pending,
 112 // we delay further resizes of the UI. The following constant is the maximum
 113 // length of time that we should delay further UI resizes while waiting for a
 114 // resized frame from a renderer.
 115 const int kResizeLockTimeoutMs = 67;
 116
 117 #if defined(OS_WIN)
 118 // Used to associate a plugin HWND with its RenderWidgetHostViewAura instance.
 119 const wchar_t kWidgetOwnerProperty[] = L"RenderWidgetHostViewAuraOwner";
 120
 121 BOOL CALLBACK WindowDestroyingCallback(HWND window, LPARAM param) {
 122   RenderWidgetHostViewAura* widget =
 123       reinterpret_cast<RenderWidgetHostViewAura*>(param);
 124   if (GetProp(window, kWidgetOwnerProperty) == widget) {
 125     // Properties set on HWNDs must be removed to avoid leaks.
 126     RemoveProp(window, kWidgetOwnerProperty);
 127     RenderWidgetHostViewBase::DetachPluginWindowsCallback(window);
 128   }
 129   return TRUE;
 130 }
 131
 132 BOOL CALLBACK HideWindowsCallback(HWND window, LPARAM param) {
 133   RenderWidgetHostViewAura* widget =
 134       reinterpret_cast<RenderWidgetHostViewAura*>(param);
 135   if (GetProp(window, kWidgetOwnerProperty) == widget)
 136     SetParent(window, ui::GetHiddenWindow());
 137   return TRUE;
 138 }
 139
 140 BOOL CALLBACK ShowWindowsCallback(HWND window, LPARAM param) {
 141   RenderWidgetHostViewAura* widget =
 142       reinterpret_cast<RenderWidgetHostViewAura*>(param);
 143
 144   if (GetProp(window, kWidgetOwnerProperty) == widget &&
 145       widget->GetNativeView()->GetHost()) {
 146     HWND parent = widget->GetNativeView()->GetHost()->GetAcceleratedWidget();
 147     SetParent(window, parent);
 148   }
 149   return TRUE;
 150 }
 151
 152 struct CutoutRectsParams {
 153   RenderWidgetHostViewAura* widget;
 154   std::vector<gfx::Rect> cutout_rects;
 155   std::map<HWND, WebPluginGeometry>* geometry;
 156 };
 157
 158 // Used to update the region for the windowed plugin to draw in. We start with
 159 // the clip rect from the renderer, then remove the cutout rects from the
 160 // renderer, and then remove the transient windows from the root window and the
 161 // constrained windows from the parent window.
 162 BOOL CALLBACK SetCutoutRectsCallback(HWND window, LPARAM param) {
 163   CutoutRectsParams* params = reinterpret_cast<CutoutRectsParams*>(param);
 164
 165   if (GetProp(window, kWidgetOwnerProperty) == params->widget) {
 166     // First calculate the offset of this plugin from the root window, since
 167     // the cutouts are relative to the root window.
 168     HWND parent =
 169         params->widget->GetNativeView()->GetHost()->GetAcceleratedWidget();
 170     POINT offset;
 171     offset.x = offset.y = 0;
 172     MapWindowPoints(window, parent, &offset, 1);
 173
 174     // Now get the cached clip rect and cutouts for this plugin window that came
 175     // from the renderer.
 176     std::map<HWND, WebPluginGeometry>::iterator i = params->geometry->begin();
 177     while (i != params->geometry->end() &&
 178            i->second.window != window &&
 179            GetParent(i->second.window) != window) {
 180       ++i;
 181     }
 182
 183     if (i == params->geometry->end()) {
 184       NOTREACHED();
 185       return TRUE;
 186     }
 187
 188     HRGN hrgn = CreateRectRgn(i->second.clip_rect.x(),
 189                               i->second.clip_rect.y(),
 190                               i->second.clip_rect.right(),
 191                               i->second.clip_rect.bottom());
 192     // We start with the cutout rects that came from the renderer, then add the
 193     // ones that came from transient and constrained windows.
 194     std::vector<gfx::Rect> cutout_rects = i->second.cutout_rects;
 195     for (size_t i = 0; i < params->cutout_rects.size(); ++i) {
 196       gfx::Rect offset_cutout = params->cutout_rects[i];
 197       offset_cutout.Offset(-offset.x, -offset.y);
 198       cutout_rects.push_back(offset_cutout);
 199     }
 200     gfx::SubtractRectanglesFromRegion(hrgn, cutout_rects);
 201     // If we don't have any cutout rects then no point in messing with the
 202     // window region.
 203     if (cutout_rects.size())
 204       SetWindowRgn(window, hrgn, TRUE);
 205   }
 206   return TRUE;
 207 }
 208
 209 // A callback function for EnumThreadWindows to enumerate and dismiss
 210 // any owned popup windows.
 211 BOOL CALLBACK DismissOwnedPopups(HWND window, LPARAM arg) {
 212   const HWND toplevel_hwnd = reinterpret_cast<HWND>(arg);
 213
 214   if (::IsWindowVisible(window)) {
 215     const HWND owner = ::GetWindow(window, GW_OWNER);
 216     if (toplevel_hwnd == owner) {
 217       ::PostMessage(window, WM_CANCELMODE, 0, 0);
 218     }
 219   }
 220
 221   return TRUE;
 222 }
 223 #endif
 224
 225 void UpdateWebTouchEventAfterDispatch(blink::WebTouchEvent* event,
 226                                       blink::WebTouchPoint* point) {
 227   if (point->state != blink::WebTouchPoint::StateReleased &&
 228       point->state != blink::WebTouchPoint::StateCancelled)
 229     return;
 230   --event->touchesLength;
 231   for (unsigned i = point - event->touches;
 232        i < event->touchesLength;
 233        ++i) {
 234     event->touches[i] = event->touches[i + 1];
 235   }
 236 }
 237
 238 bool CanRendererHandleEvent(const ui::MouseEvent* event) {
 239   if (event->type() == ui::ET_MOUSE_CAPTURE_CHANGED)
 240     return false;
 241
 242 #if defined(OS_WIN)
 243   // Renderer cannot handle WM_XBUTTON or NC events.
 244   switch (event->native_event().message) {
 245     case WM_XBUTTONDOWN:
 246     case WM_XBUTTONUP:
 247     case WM_XBUTTONDBLCLK:
 248     case WM_NCMOUSELEAVE:
 249     case WM_NCMOUSEMOVE:
 250     case WM_NCLBUTTONDOWN:
 251     case WM_NCLBUTTONUP:
 252     case WM_NCLBUTTONDBLCLK:
 253     case WM_NCRBUTTONDOWN:
 254     case WM_NCRBUTTONUP:
 255     case WM_NCRBUTTONDBLCLK:
 256     case WM_NCMBUTTONDOWN:
 257     case WM_NCMBUTTONUP:
 258     case WM_NCMBUTTONDBLCLK:
 259     case WM_NCXBUTTONDOWN:
 260     case WM_NCXBUTTONUP:
 261     case WM_NCXBUTTONDBLCLK:
 262       return false;
 263     default:
 264       break;
 265   }
 266 #elif defined(USE_X11)
 267   // Renderer only supports standard mouse buttons, so ignore programmable
 268   // buttons.
 269   switch (event->type()) {
 270     case ui::ET_MOUSE_PRESSED:
 271     case ui::ET_MOUSE_RELEASED:
 272       return event->IsAnyButton();
 273     default:
 274       break;
 275   }
 276 #endif
 277   return true;
 278 }
 279
 280 // We don't mark these as handled so that they're sent back to the
 281 // DefWindowProc so it can generate WM_APPCOMMAND as necessary.
 282 bool IsXButtonUpEvent(const ui::MouseEvent* event) {
 283 #if defined(OS_WIN)
 284   switch (event->native_event().message) {
 285     case WM_XBUTTONUP:
 286     case WM_NCXBUTTONUP:
 287       return true;
 288   }
 289 #endif
 290   return false;
 291 }
 292
 293 void GetScreenInfoForWindow(WebScreenInfo* results, aura::Window* window) {
 294   const gfx::Display display = window ?
 295       gfx::Screen::GetScreenFor(window)->GetDisplayNearestWindow(window) :
 296       gfx::Screen::GetScreenFor(window)->GetPrimaryDisplay();
 297   results->rect = display.bounds();
 298   results->availableRect = display.work_area();
 299   // TODO(derat|oshima): Don't hardcode this. Get this from display object.
 300   results->depth = 24;
 301   results->depthPerComponent = 8;
 302   results->deviceScaleFactor = display.device_scale_factor();
 303   results->orientationAngle = display.RotationAsDegree();
 304 }
 305
 306 bool PointerEventActivates(const ui::Event& event) {
 307   if (event.type() == ui::ET_MOUSE_PRESSED)
 308     return true;
 309
 310   if (event.type() == ui::ET_GESTURE_BEGIN) {
 311     const ui::GestureEvent& gesture =
 312         static_cast<const ui::GestureEvent&>(event);
 313     return gesture.details().touch_points() == 1;
 314   }
 315
 316   return false;
 317 }
 318
 319 }  // namespace
 320
 321 // We need to watch for mouse events outside a Web Popup or its parent
 322 // and dismiss the popup for certain events.
 323 class RenderWidgetHostViewAura::EventFilterForPopupExit
 324     : public ui::EventHandler {
 325  public:
 326   explicit EventFilterForPopupExit(RenderWidgetHostViewAura* rwhva)
 327       : rwhva_(rwhva) {
 328     DCHECK(rwhva_);
 329     aura::Env::GetInstance()->AddPreTargetHandler(this);
 330   }
 331
 332   virtual ~EventFilterForPopupExit() {
 333     aura::Env::GetInstance()->RemovePreTargetHandler(this);
 334   }
 335
 336   // Overridden from ui::EventHandler
 337   virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE {
 338     rwhva_->ApplyEventFilterForPopupExit(event);
 339   }
 340
 341   virtual void OnTouchEvent(ui::TouchEvent* event) OVERRIDE {
 342     rwhva_->ApplyEventFilterForPopupExit(event);
 343   }
 344
 345  private:
 346   RenderWidgetHostViewAura* rwhva_;
 347
 348   DISALLOW_COPY_AND_ASSIGN(EventFilterForPopupExit);
 349 };
 350
 351 void RenderWidgetHostViewAura::ApplyEventFilterForPopupExit(
 352     ui::LocatedEvent* event) {
 353   if (in_shutdown_ || is_fullscreen_ || !event->target())
 354     return;
 355
 356   if (event->type() != ui::ET_MOUSE_PRESSED &&
 357       event->type() != ui::ET_TOUCH_PRESSED) {
 358     return;
 359   }
 360
 361   aura::Window* target = static_cast<aura::Window*>(event->target());
 362   if (target != window_ &&
 363       (!popup_parent_host_view_ ||
 364        target != popup_parent_host_view_->window_)) {
 365     // Note: popup_parent_host_view_ may be NULL when there are multiple
 366     // popup children per view. See: RenderWidgetHostViewAura::InitAsPopup().
 367     in_shutdown_ = true;
 368     host_->Shutdown();
 369   }
 370 }
 371
 372 // We have to implement the WindowObserver interface on a separate object
 373 // because clang doesn't like implementing multiple interfaces that have
 374 // methods with the same name. This object is owned by the
 375 // RenderWidgetHostViewAura.
 376 class RenderWidgetHostViewAura::WindowObserver : public aura::WindowObserver {
 377  public:
 378   explicit WindowObserver(RenderWidgetHostViewAura* view)
 379       : view_(view) {
 380     view_->window_->AddObserver(this);
 381   }
 382
 383   virtual ~WindowObserver() {
 384     view_->window_->RemoveObserver(this);
 385   }
 386
 387   // Overridden from aura::WindowObserver:
 388   virtual void OnWindowAddedToRootWindow(aura::Window* window) OVERRIDE {
 389     if (window == view_->window_)
 390       view_->AddedToRootWindow();
 391   }
 392
 393   virtual void OnWindowRemovingFromRootWindow(aura::Window* window,
 394                                               aura::Window* new_root) OVERRIDE {
 395     if (window == view_->window_)
 396       view_->RemovingFromRootWindow();
 397   }
 398
 399  private:
 400   RenderWidgetHostViewAura* view_;
 401
 402   DISALLOW_COPY_AND_ASSIGN(WindowObserver);
 403 };
 404
 405 ////////////////////////////////////////////////////////////////////////////////
 406 // RenderWidgetHostViewAura, public:
 407
 408 RenderWidgetHostViewAura::RenderWidgetHostViewAura(RenderWidgetHost* host)
 409     : host_(RenderWidgetHostImpl::From(host)),
 410       window_(new aura::Window(this)),
 411       delegated_frame_host_(new DelegatedFrameHost(this)),
 412       in_shutdown_(false),
 413       in_bounds_changed_(false),
 414       is_fullscreen_(false),
 415       popup_parent_host_view_(NULL),
 416       popup_child_host_view_(NULL),
 417       is_loading_(false),
 418       text_input_type_(ui::TEXT_INPUT_TYPE_NONE),
 419       text_input_mode_(ui::TEXT_INPUT_MODE_DEFAULT),
 420       can_compose_inline_(true),
 421       has_composition_text_(false),
 422       accept_return_character_(false),
 423       last_swapped_software_frame_scale_factor_(1.f),
 424       paint_canvas_(NULL),
 425       synthetic_move_sent_(false),
 426       cursor_visibility_state_in_renderer_(UNKNOWN),
 427       touch_editing_client_(NULL),
 428       weak_ptr_factory_(this) {
 429   host_->SetView(this);
 430   window_observer_.reset(new WindowObserver(this));
 431   aura::client::SetTooltipText(window_, &tooltip_);
 432   aura::client::SetActivationDelegate(window_, this);
 433   aura::client::SetActivationChangeObserver(window_, this);
 434   aura::client::SetFocusChangeObserver(window_, this);
 435   window_->set_layer_owner_delegate(delegated_frame_host_.get());
 436   gfx::Screen::GetScreenFor(window_)->AddObserver(this);
 437 }
 438
 439 ////////////////////////////////////////////////////////////////////////////////
 440 // RenderWidgetHostViewAura, RenderWidgetHostView implementation:
 441
 442 bool RenderWidgetHostViewAura::OnMessageReceived(
 443     const IPC::Message& message) {
 444   bool handled = true;
 445   IPC_BEGIN_MESSAGE_MAP(RenderWidgetHostViewAura, message)
 446     // TODO(kevers): Move to RenderWidgetHostViewImpl and consolidate IPC
 447     // messages for TextInput<State|Type>Changed. Corresponding code in
 448     // RenderWidgetHostViewAndroid should also be moved at the same time.
 449     IPC_MESSAGE_HANDLER(ViewHostMsg_TextInputStateChanged,
 450                         OnTextInputStateChanged)
 451     IPC_MESSAGE_UNHANDLED(handled = false)
 452   IPC_END_MESSAGE_MAP()
 453   return handled;
 454 }
 455
 456 void RenderWidgetHostViewAura::InitAsChild(
 457     gfx::NativeView parent_view) {
 458   window_->SetType(ui::wm::WINDOW_TYPE_CONTROL);
 459   window_->Init(aura::WINDOW_LAYER_TEXTURED);
 460   window_->SetName("RenderWidgetHostViewAura");
 461 }
 462
 463 void RenderWidgetHostViewAura::InitAsPopup(
 464     RenderWidgetHostView* parent_host_view,
 465     const gfx::Rect& bounds_in_screen) {
 466   popup_parent_host_view_ =
 467       static_cast<RenderWidgetHostViewAura*>(parent_host_view);
 468
 469   // TransientWindowClient may be NULL during tests.
 470   aura::client::TransientWindowClient* transient_window_client =
 471       aura::client::GetTransientWindowClient();
 472   RenderWidgetHostViewAura* old_child =
 473       popup_parent_host_view_->popup_child_host_view_;
 474   if (old_child) {
 475     // TODO(jhorwich): Allow multiple popup_child_host_view_ per view, or
 476     // similar mechanism to ensure a second popup doesn't cause the first one
 477     // to never get a chance to filter events. See crbug.com/160589.
 478     DCHECK(old_child->popup_parent_host_view_ == popup_parent_host_view_);
 479     if (transient_window_client) {
 480       transient_window_client->RemoveTransientChild(
 481         popup_parent_host_view_->window_, old_child->window_);
 482     }
 483     old_child->popup_parent_host_view_ = NULL;
 484   }
 485   popup_parent_host_view_->popup_child_host_view_ = this;
 486   window_->SetType(ui::wm::WINDOW_TYPE_MENU);
 487   window_->Init(aura::WINDOW_LAYER_TEXTURED);
 488   window_->SetName("RenderWidgetHostViewAura");
 489
 490   aura::Window* root = popup_parent_host_view_->window_->GetRootWindow();
 491   aura::client::ParentWindowWithContext(window_, root, bounds_in_screen);
 492   // Setting the transient child allows for the popup to get mouse events when
 493   // in a system modal dialog.
 494   // This fixes crbug.com/328593.
 495   if (transient_window_client) {
 496     transient_window_client->AddTransientChild(
 497         popup_parent_host_view_->window_, window_);
 498   }
 499
 500   SetBounds(bounds_in_screen);
 501   Show();
 502 #if !defined(OS_WIN) && !defined(OS_CHROMEOS)
 503   if (NeedsInputGrab())
 504     window_->SetCapture();
 505 #endif
 506
 507   event_filter_for_popup_exit_.reset(new EventFilterForPopupExit(this));
 508 }
 509
 510 void RenderWidgetHostViewAura::InitAsFullscreen(
 511     RenderWidgetHostView* reference_host_view) {
 512   is_fullscreen_ = true;
 513   window_->SetType(ui::wm::WINDOW_TYPE_NORMAL);
 514   window_->Init(aura::WINDOW_LAYER_TEXTURED);
 515   window_->SetName("RenderWidgetHostViewAura");
 516   window_->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_FULLSCREEN);
 517
 518   aura::Window* parent = NULL;
 519   gfx::Rect bounds;
 520   if (reference_host_view) {
 521     aura::Window* reference_window =
 522         static_cast<RenderWidgetHostViewAura*>(reference_host_view)->window_;
 523     if (reference_window) {
 524       host_tracker_.reset(new aura::WindowTracker);
 525       host_tracker_->Add(reference_window);
 526     }
 527     gfx::Display display = gfx::Screen::GetScreenFor(window_)->
 528         GetDisplayNearestWindow(reference_window);
 529     parent = reference_window->GetRootWindow();
 530     bounds = display.bounds();
 531   }
 532   aura::client::ParentWindowWithContext(window_, parent, bounds);
 533   Show();
 534   Focus();
 535 }
 536
 537 RenderWidgetHost* RenderWidgetHostViewAura::GetRenderWidgetHost() const {
 538   return host_;
 539 }
 540
 541 void RenderWidgetHostViewAura::WasShown() {
 542   DCHECK(host_);
 543   if (!host_->is_hidden())
 544     return;
 545   host_->WasShown();
 546
 547   aura::Window* root = window_->GetRootWindow();
 548   if (root) {
 549     aura::client::CursorClient* cursor_client =
 550         aura::client::GetCursorClient(root);
 551     if (cursor_client)
 552       NotifyRendererOfCursorVisibilityState(cursor_client->IsCursorVisible());
 553   }
 554
 555   delegated_frame_host_->WasShown();
 556
 557 #if defined(OS_WIN)
 558   if (legacy_render_widget_host_HWND_) {
 559     // Reparent the legacy Chrome_RenderWidgetHostHWND window to the parent
 560     // window before reparenting any plugins. This ensures that the plugin
 561     // windows stay on top of the child Zorder in the parent and receive
 562     // mouse events, etc.
 563     legacy_render_widget_host_HWND_->UpdateParent(
 564         GetNativeView()->GetHost()->GetAcceleratedWidget());
 565     legacy_render_widget_host_HWND_->SetBounds(
 566         window_->GetBoundsInRootWindow());
 567   }
 568   LPARAM lparam = reinterpret_cast<LPARAM>(this);
 569   EnumChildWindows(ui::GetHiddenWindow(), ShowWindowsCallback, lparam);
 570 #endif
 571 }
 572
 573 void RenderWidgetHostViewAura::WasHidden() {
 574   if (!host_ || host_->is_hidden())
 575     return;
 576   host_->WasHidden();
 577   delegated_frame_host_->WasHidden();
 578
 579 #if defined(OS_WIN)
 580   constrained_rects_.clear();
 581   aura::WindowTreeHost* host = window_->GetHost();
 582   if (host) {
 583     HWND parent = host->GetAcceleratedWidget();
 584     LPARAM lparam = reinterpret_cast<LPARAM>(this);
 585     EnumChildWindows(parent, HideWindowsCallback, lparam);
 586     // We reparent the legacy Chrome_RenderWidgetHostHWND window to the global
 587     // hidden window on the same lines as Windowed plugin windows.
 588     if (legacy_render_widget_host_HWND_)
 589       legacy_render_widget_host_HWND_->UpdateParent(ui::GetHiddenWindow());
 590   }
 591 #endif
 592 }
 593
 594 void RenderWidgetHostViewAura::SetSize(const gfx::Size& size) {
 595   // For a SetSize operation, we don't care what coordinate system the origin
 596   // of the window is in, it's only important to make sure that the origin
 597   // remains constant after the operation.
 598   InternalSetBounds(gfx::Rect(window_->bounds().origin(), size));
 599 }
 600
 601 void RenderWidgetHostViewAura::SetBounds(const gfx::Rect& rect) {
 602   gfx::Point relative_origin(rect.origin());
 603
 604   // RenderWidgetHostViewAura::SetBounds() takes screen coordinates, but
 605   // Window::SetBounds() takes parent coordinates, so do the conversion here.
 606   aura::Window* root = window_->GetRootWindow();
 607   if (root) {
 608     aura::client::ScreenPositionClient* screen_position_client =
 609         aura::client::GetScreenPositionClient(root);
 610     if (screen_position_client) {
 611       screen_position_client->ConvertPointFromScreen(
 612           window_->parent(), &relative_origin);
 613     }
 614   }
 615
 616   InternalSetBounds(gfx::Rect(relative_origin, rect.size()));
 617 }
 618
 619 gfx::NativeView RenderWidgetHostViewAura::GetNativeView() const {
 620   return window_;
 621 }
 622
 623 gfx::NativeViewId RenderWidgetHostViewAura::GetNativeViewId() const {
 624 #if defined(OS_WIN)
 625   aura::WindowTreeHost* host = window_->GetHost();
 626   if (host)
 627     return reinterpret_cast<gfx::NativeViewId>(host->GetAcceleratedWidget());
 628 #endif
 629   return static_cast<gfx::NativeViewId>(NULL);
 630 }
 631
 632 gfx::NativeViewAccessible RenderWidgetHostViewAura::GetNativeViewAccessible() {
 633 #if defined(OS_WIN)
 634   aura::WindowTreeHost* host = window_->GetHost();
 635   if (!host)
 636     return static_cast<gfx::NativeViewAccessible>(NULL);
 637   HWND hwnd = host->GetAcceleratedWidget();
 638
 639   CreateBrowserAccessibilityManagerIfNeeded();
 640   BrowserAccessibilityManager* manager = GetBrowserAccessibilityManager();
 641   if (manager)
 642     return manager->GetRoot()->ToBrowserAccessibilityWin();
 643 #endif
 644
 645   NOTIMPLEMENTED();
 646   return static_cast<gfx::NativeViewAccessible>(NULL);
 647 }
 648
 649 void RenderWidgetHostViewAura::SetKeyboardFocus() {
 650 #if defined(OS_WIN)
 651   if (CanFocus()) {
 652     aura::WindowTreeHost* host = window_->GetHost();
 653     if (host)
 654       ::SetFocus(host->GetAcceleratedWidget());
 655   }
 656 #endif
 657 }
 658
 659 RenderFrameHostImpl* RenderWidgetHostViewAura::GetFocusedFrame() {
 660   if (!host_->IsRenderView())
 661     return NULL;
 662   RenderViewHost* rvh = RenderViewHost::From(host_);
 663   FrameTreeNode* focused_frame =
 664       rvh->GetDelegate()->GetFrameTree()->GetFocusedFrame();
 665   if (!focused_frame)
 666     return NULL;
 667
 668   return focused_frame->current_frame_host();
 669 }
 670
 671 void RenderWidgetHostViewAura::MovePluginWindows(
 672     const std::vector<WebPluginGeometry>& plugin_window_moves) {
 673 #if defined(OS_WIN)
 674   // We need to clip the rectangle to the tab's viewport, otherwise we will draw
 675   // over the browser UI.
 676   if (!window_->GetRootWindow()) {
 677     DCHECK(plugin_window_moves.empty());
 678     return;
 679   }
 680   HWND parent = window_->GetHost()->GetAcceleratedWidget();
 681   gfx::Rect view_bounds = window_->GetBoundsInRootWindow();
 682   std::vector<WebPluginGeometry> moves = plugin_window_moves;
 683
 684   gfx::Rect view_port(view_bounds.size());
 685
 686   for (size_t i = 0; i < moves.size(); ++i) {
 687     gfx::Rect clip(moves[i].clip_rect);
 688     gfx::Vector2d view_port_offset(
 689         moves[i].window_rect.OffsetFromOrigin());
 690     clip.Offset(view_port_offset);
 691     clip.Intersect(view_port);
 692     clip.Offset(-view_port_offset);
 693     moves[i].clip_rect = clip;
 694
 695     moves[i].window_rect.Offset(view_bounds.OffsetFromOrigin());
 696
 697     plugin_window_moves_[moves[i].window] = moves[i];
 698
 699     // constrained_rects_ are relative to the root window. We want to convert
 700     // them to be relative to the plugin window.
 701     for (size_t j = 0; j < constrained_rects_.size(); ++j) {
 702       gfx::Rect offset_cutout = constrained_rects_[j];
 703       offset_cutout -= moves[i].window_rect.OffsetFromOrigin();
 704       moves[i].cutout_rects.push_back(offset_cutout);
 705     }
 706   }
 707
 708   MovePluginWindowsHelper(parent, moves);
 709
 710   // Make sure each plugin window (or its wrapper if it exists) has a pointer to
 711   // |this|.
 712   for (size_t i = 0; i < moves.size(); ++i) {
 713     HWND window = moves[i].window;
 714     if (GetParent(window) != parent) {
 715       window = GetParent(window);
 716     }
 717     if (!GetProp(window, kWidgetOwnerProperty))
 718       SetProp(window, kWidgetOwnerProperty, this);
 719   }
 720 #endif  // defined(OS_WIN)
 721 }
 722
 723 void RenderWidgetHostViewAura::Focus() {
 724   // Make sure we have a FocusClient before attempting to Focus(). In some
 725   // situations we may not yet be in a valid Window hierarchy (such as reloading
 726   // after out of memory discarded the tab).
 727   aura::client::FocusClient* client = aura::client::GetFocusClient(window_);
 728   if (client)
 729     window_->Focus();
 730 }
 731
 732 void RenderWidgetHostViewAura::Blur() {
 733   window_->Blur();
 734 }
 735
 736 bool RenderWidgetHostViewAura::HasFocus() const {
 737   return window_->HasFocus();
 738 }
 739
 740 bool RenderWidgetHostViewAura::IsSurfaceAvailableForCopy() const {
 741   return delegated_frame_host_->CanCopyToBitmap();
 742 }
 743
 744 void RenderWidgetHostViewAura::Show() {
 745   window_->Show();
 746   WasShown();
 747 #if defined(OS_WIN)
 748   if (legacy_render_widget_host_HWND_)
 749     legacy_render_widget_host_HWND_->Show();
 750 #endif
 751 }
 752
 753 void RenderWidgetHostViewAura::Hide() {
 754   window_->Hide();
 755   WasHidden();
 756 #if defined(OS_WIN)
 757   if (legacy_render_widget_host_HWND_)
 758     legacy_render_widget_host_HWND_->Hide();
 759 #endif
 760 }
 761
 762 bool RenderWidgetHostViewAura::IsShowing() {
 763   return window_->IsVisible();
 764 }
 765
 766 gfx::Rect RenderWidgetHostViewAura::GetViewBounds() const {
 767   // This is the size that we want the renderer to produce. While we're waiting
 768   // for the correct frame (i.e. during a resize), don't change the size so that
 769   // we don't pipeline more resizes than we can handle.
 770   gfx::Rect bounds(window_->GetBoundsInScreen());
 771   return delegated_frame_host_->GetViewBoundsWithResizeLock(bounds);
 772 }
 773
 774 void RenderWidgetHostViewAura::SetBackground(const SkBitmap& background) {
 775   RenderWidgetHostViewBase::SetBackground(background);
 776   host_->SetBackground(background);
 777   window_->layer()->SetFillsBoundsOpaquely(background.isOpaque());
 778 }
 779
 780 gfx::Size RenderWidgetHostViewAura::GetVisibleViewportSize() const {
 781   gfx::Rect window_bounds = window_->bounds();
 782   int viewport_width = std::max(
 783       0, window_bounds.width() - insets_.left() - insets_.right());
 784   int viewport_height = std::max(
 785       0, window_bounds.height() - insets_.top() - insets_.bottom());
 786   return gfx::Size(viewport_width, viewport_height);
 787 }
 788
 789 void RenderWidgetHostViewAura::SetInsets(const gfx::Insets& insets) {
 790   if (insets != insets_) {
 791     insets_ = insets;
 792     host_->WasResized();
 793   }
 794 }
 795
 796 void RenderWidgetHostViewAura::UpdateCursor(const WebCursor& cursor) {
 797   current_cursor_ = cursor;
 798   const gfx::Display display = gfx::Screen::GetScreenFor(window_)->
 799       GetDisplayNearestWindow(window_);
 800   current_cursor_.SetDisplayInfo(display);
 801   UpdateCursorIfOverSelf();
 802 }
 803
 804 void RenderWidgetHostViewAura::SetIsLoading(bool is_loading) {
 805   is_loading_ = is_loading;
 806   UpdateCursorIfOverSelf();
 807 }
 808
 809 void RenderWidgetHostViewAura::TextInputTypeChanged(
 810     ui::TextInputType type,
 811     ui::TextInputMode input_mode,
 812     bool can_compose_inline) {
 813   if (text_input_type_ != type ||
 814       text_input_mode_ != input_mode ||
 815       can_compose_inline_ != can_compose_inline) {
 816     text_input_type_ = type;
 817     text_input_mode_ = input_mode;
 818     can_compose_inline_ = can_compose_inline;
 819     if (GetInputMethod())
 820       GetInputMethod()->OnTextInputTypeChanged(this);
 821     if (touch_editing_client_)
 822       touch_editing_client_->OnTextInputTypeChanged(text_input_type_);
 823   }
 824 }
 825
 826 void RenderWidgetHostViewAura::OnTextInputStateChanged(
 827     const ViewHostMsg_TextInputState_Params& params) {
 828   if (params.show_ime_if_needed && params.type != ui::TEXT_INPUT_TYPE_NONE) {
 829     if (GetInputMethod())
 830       GetInputMethod()->ShowImeIfNeeded();
 831   }
 832 }
 833
 834 void RenderWidgetHostViewAura::ImeCancelComposition() {
 835   if (GetInputMethod())
 836     GetInputMethod()->CancelComposition(this);
 837   has_composition_text_ = false;
 838 }
 839
 840 void RenderWidgetHostViewAura::ImeCompositionRangeChanged(
 841     const gfx::Range& range,
 842     const std::vector<gfx::Rect>& character_bounds) {
 843   composition_character_bounds_ = character_bounds;
 844 }
 845
 846 void RenderWidgetHostViewAura::RenderProcessGone(base::TerminationStatus status,
 847                                                  int error_code) {
 848   UpdateCursorIfOverSelf();
 849   Destroy();
 850 }
 851
 852 void RenderWidgetHostViewAura::Destroy() {
 853   // Beware, this function is not called on all destruction paths. It will
 854   // implicitly end up calling ~RenderWidgetHostViewAura though, so all
 855   // destruction/cleanup code should happen there, not here.
 856   in_shutdown_ = true;
 857   delete window_;
 858 }
 859
 860 void RenderWidgetHostViewAura::SetTooltipText(
 861     const base::string16& tooltip_text) {
 862   tooltip_ = tooltip_text;
 863   aura::Window* root_window = window_->GetRootWindow();
 864   aura::client::TooltipClient* tooltip_client =
 865       aura::client::GetTooltipClient(root_window);
 866   if (tooltip_client) {
 867     tooltip_client->UpdateTooltip(window_);
 868     // Content tooltips should be visible indefinitely.
 869     tooltip_client->SetTooltipShownTimeout(window_, 0);
 870   }
 871 }
 872
 873 void RenderWidgetHostViewAura::SelectionChanged(const base::string16& text,
 874                                                 size_t offset,
 875                                                 const gfx::Range& range) {
 876   RenderWidgetHostViewBase::SelectionChanged(text, offset, range);
 877
 878 #if defined(USE_X11) && !defined(OS_CHROMEOS)
 879   if (text.empty() || range.is_empty())
 880     return;
 881   size_t pos = range.GetMin() - offset;
 882   size_t n = range.length();
 883
 884   DCHECK(pos + n <= text.length()) << "The text can not fully cover range.";
 885   if (pos >= text.length()) {
 886     NOTREACHED() << "The text can not cover range.";
 887     return;
 888   }
 889
 890   // Set the CLIPBOARD_TYPE_SELECTION to the ui::Clipboard.
 891   ui::ScopedClipboardWriter clipboard_writer(
 892       ui::Clipboard::GetForCurrentThread(),
 893       ui::CLIPBOARD_TYPE_SELECTION);
 894   clipboard_writer.WriteText(text.substr(pos, n));
 895 #endif  // defined(USE_X11) && !defined(OS_CHROMEOS)
 896 }
 897
 898 void RenderWidgetHostViewAura::SelectionBoundsChanged(
 899     const ViewHostMsg_SelectionBounds_Params& params) {
 900   if (selection_anchor_rect_ == params.anchor_rect &&
 901       selection_focus_rect_ == params.focus_rect)
 902     return;
 903
 904   selection_anchor_rect_ = params.anchor_rect;
 905   selection_focus_rect_ = params.focus_rect;
 906
 907   if (GetInputMethod())
 908     GetInputMethod()->OnCaretBoundsChanged(this);
 909
 910   if (touch_editing_client_) {
 911     touch_editing_client_->OnSelectionOrCursorChanged(selection_anchor_rect_,
 912         selection_focus_rect_);
 913   }
 914 }
 915
 916 void RenderWidgetHostViewAura::ScrollOffsetChanged() {
 917   aura::Window* root = window_->GetRootWindow();
 918   if (!root)
 919     return;
 920   aura::client::CursorClient* cursor_client =
 921       aura::client::GetCursorClient(root);
 922   if (cursor_client && !cursor_client->IsCursorVisible())
 923     cursor_client->DisableMouseEvents();
 924 }
 925
 926 void RenderWidgetHostViewAura::CopyFromCompositingSurface(
 927     const gfx::Rect& src_subrect,
 928     const gfx::Size& dst_size,
 929     const base::Callback<void(bool, const SkBitmap&)>& callback,
 930     const SkBitmap::Config config) {
 931   delegated_frame_host_->CopyFromCompositingSurface(
 932       src_subrect, dst_size, callback, config);
 933 }
 934
 935 void RenderWidgetHostViewAura::CopyFromCompositingSurfaceToVideoFrame(
 936       const gfx::Rect& src_subrect,
 937       const scoped_refptr<media::VideoFrame>& target,
 938       const base::Callback<void(bool)>& callback) {
 939   delegated_frame_host_->CopyFromCompositingSurfaceToVideoFrame(
 940       src_subrect, target, callback);
 941 }
 942
 943 bool RenderWidgetHostViewAura::CanCopyToVideoFrame() const {
 944   return delegated_frame_host_->CanCopyToVideoFrame();
 945 }
 946
 947 bool RenderWidgetHostViewAura::CanSubscribeFrame() const {
 948   return delegated_frame_host_->CanSubscribeFrame();
 949 }
 950
 951 void RenderWidgetHostViewAura::BeginFrameSubscription(
 952     scoped_ptr<RenderWidgetHostViewFrameSubscriber> subscriber) {
 953   delegated_frame_host_->BeginFrameSubscription(subscriber.Pass());
 954 }
 955
 956 void RenderWidgetHostViewAura::EndFrameSubscription() {
 957   delegated_frame_host_->EndFrameSubscription();
 958 }
 959
 960 void RenderWidgetHostViewAura::OnAcceleratedCompositingStateChange() {
 961 }
 962
 963 void RenderWidgetHostViewAura::AcceleratedSurfaceInitialized(int host_id,
 964                                                              int route_id) {
 965 }
 966
 967 void RenderWidgetHostViewAura::InternalSetBounds(const gfx::Rect& rect) {
 968   if (HasDisplayPropertyChanged(window_))
 969     host_->InvalidateScreenInfo();
 970
 971   // Don't recursively call SetBounds if this bounds update is the result of
 972   // a Window::SetBoundsInternal call.
 973   if (!in_bounds_changed_)
 974     window_->SetBounds(rect);
 975   host_->WasResized();
 976   delegated_frame_host_->WasResized();
 977   if (touch_editing_client_) {
 978     touch_editing_client_->OnSelectionOrCursorChanged(selection_anchor_rect_,
 979       selection_focus_rect_);
 980   }
 981 #if defined(OS_WIN)
 982   // Create the legacy dummy window which corresponds to the bounds of the
 983   // webcontents. This will be passed as the container window for windowless
 984   // plugins.
 985   // Plugins like Flash assume the container window which is returned via the
 986   // NPNVnetscapeWindow property corresponds to the bounds of the webpage.
 987   // This is not true in Aura where we have only HWND which is the main Aura
 988   // window. If we return this window to plugins like Flash then it causes the
 989   // coordinate translations done by these plugins to break.
 990   // Additonally the legacy dummy window is needed for accessibility and for
 991   // scrolling to work in legacy drivers for trackpoints/trackpads, etc.
 992   if (GetNativeViewId()) {
 993     if (!legacy_render_widget_host_HWND_) {
 994       legacy_render_widget_host_HWND_ = LegacyRenderWidgetHostHWND::Create(
 995           reinterpret_cast<HWND>(GetNativeViewId()));
 996     }
 997     if (legacy_render_widget_host_HWND_) {
 998       legacy_render_widget_host_HWND_->SetBounds(
 999           window_->GetBoundsInRootWindow());
1000     }
1001   }
1002
1003   if (mouse_locked_)
1004     UpdateMouseLockRegion();
1005 #endif
1006 }
1007
1008 #if defined(OS_WIN)
1009 bool RenderWidgetHostViewAura::UsesNativeWindowFrame() const {
1010   return (legacy_render_widget_host_HWND_ != NULL);
1011 }
1012
1013 void RenderWidgetHostViewAura::UpdateConstrainedWindowRects(
1014     const std::vector<gfx::Rect>& rects) {
1015   // Check this before setting constrained_rects_, so that next time they're set
1016   // and we have a root window we don't early return.
1017   if (!window_->GetHost())
1018     return;
1019
1020   if (rects == constrained_rects_)
1021     return;
1022
1023   constrained_rects_ = rects;
1024
1025   HWND parent = window_->GetHost()->GetAcceleratedWidget();
1026   CutoutRectsParams params;
1027   params.widget = this;
1028   params.cutout_rects = constrained_rects_;
1029   params.geometry = &plugin_window_moves_;
1030   LPARAM lparam = reinterpret_cast<LPARAM>(&params);
1031   EnumChildWindows(parent, SetCutoutRectsCallback, lparam);
1032 }
1033
1034 void RenderWidgetHostViewAura::UpdateMouseLockRegion() {
1035   // Clip the cursor if chrome is running on regular desktop.
1036   if (gfx::Screen::GetScreenFor(window_) == gfx::Screen::GetNativeScreen()) {
1037     RECT window_rect = window_->GetBoundsInScreen().ToRECT();
1038     ::ClipCursor(&window_rect);
1039   }
1040 }
1041 #endif
1042
1043 void RenderWidgetHostViewAura::AcceleratedSurfaceBuffersSwapped(
1044     const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params_in_pixel,
1045     int gpu_host_id) {
1046   // Oldschool composited mode is no longer supported.
1047 }
1048
1049 void RenderWidgetHostViewAura::OnSwapCompositorFrame(
1050     uint32 output_surface_id,
1051     scoped_ptr<cc::CompositorFrame> frame) {
1052   TRACE_EVENT0("content", "RenderWidgetHostViewAura::OnSwapCompositorFrame");
1053   if (frame->delegated_frame_data) {
1054     delegated_frame_host_->SwapDelegatedFrame(
1055         output_surface_id,
1056         frame->delegated_frame_data.Pass(),
1057         frame->metadata.device_scale_factor,
1058         frame->metadata.latency_info);
1059     return;
1060   }
1061
1062   if (frame->software_frame_data) {
1063     DLOG(ERROR) << "Unable to use software frame in aura";
1064     RecordAction(
1065         base::UserMetricsAction("BadMessageTerminate_SharedMemoryAura"));
1066     host_->GetProcess()->ReceivedBadMessage();
1067     return;
1068   }
1069 }
1070
1071 #if defined(OS_WIN)
1072 void RenderWidgetHostViewAura::SetParentNativeViewAccessible(
1073     gfx::NativeViewAccessible accessible_parent) {
1074   if (GetBrowserAccessibilityManager()) {
1075     GetBrowserAccessibilityManager()->ToBrowserAccessibilityManagerWin()
1076         ->set_parent_iaccessible(accessible_parent);
1077   }
1078 }
1079
1080 gfx::NativeViewId RenderWidgetHostViewAura::GetParentForWindowlessPlugin()
1081     const {
1082   if (legacy_render_widget_host_HWND_) {
1083     return reinterpret_cast<gfx::NativeViewId>(
1084         legacy_render_widget_host_HWND_->hwnd());
1085   }
1086   return NULL;
1087 }
1088 #endif
1089
1090 void RenderWidgetHostViewAura::AcceleratedSurfacePostSubBuffer(
1091     const GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params& params_in_pixel,
1092     int gpu_host_id) {
1093   // Oldschool composited mode is no longer supported.
1094 }
1095
1096 void RenderWidgetHostViewAura::AcceleratedSurfaceSuspend() {
1097 }
1098
1099 void RenderWidgetHostViewAura::AcceleratedSurfaceRelease() {
1100 }
1101
1102 bool RenderWidgetHostViewAura::HasAcceleratedSurface(
1103     const gfx::Size& desired_size) {
1104   // Aura doesn't use GetBackingStore for accelerated pages, so it doesn't
1105   // matter what is returned here as GetBackingStore is the only caller of this
1106   // method. TODO(jbates) implement this if other Aura code needs it.
1107   return false;
1108 }
1109
1110 void RenderWidgetHostViewAura::GetScreenInfo(WebScreenInfo* results) {
1111   GetScreenInfoForWindow(results, window_->GetRootWindow() ? window_ : NULL);
1112 }
1113
1114 gfx::Rect RenderWidgetHostViewAura::GetBoundsInRootWindow() {
1115   aura::Window* top_level = window_->GetToplevelWindow();
1116   gfx::Rect bounds(top_level->GetBoundsInScreen());
1117
1118 #if defined(OS_WIN)
1119   // TODO(zturner,iyengar): This will break when we remove support for NPAPI and
1120   // remove the legacy hwnd, so a better fix will need to be decided when that
1121   // happens.
1122   if (UsesNativeWindowFrame()) {
1123     // aura::Window doesn't take into account non-client area of native windows
1124     // (e.g. HWNDs), so for that case ask Windows directly what the bounds are.
1125     aura::WindowTreeHost* host = top_level->GetHost();
1126     if (!host)
1127       return top_level->GetBoundsInScreen();
1128     RECT window_rect = {0};
1129     HWND hwnd = host->GetAcceleratedWidget();
1130     ::GetWindowRect(hwnd, &window_rect);
1131     bounds = gfx::Rect(window_rect);
1132
1133     // Maximized windows are outdented from the work area by the frame thickness
1134     // even though this "frame" is not painted.  This confuses code (and people)
1135     // that think of a maximized window as corresponding exactly to the work
1136     // area.  Correct for this by subtracting the frame thickness back off.
1137     if (::IsZoomed(hwnd)) {
1138       bounds.Inset(GetSystemMetrics(SM_CXSIZEFRAME),
1139                    GetSystemMetrics(SM_CYSIZEFRAME));
1140
1141       bounds.Inset(GetSystemMetrics(SM_CXPADDEDBORDER),
1142                    GetSystemMetrics(SM_CXPADDEDBORDER));
1143     }
1144   }
1145
1146   bounds = gfx::win::ScreenToDIPRect(bounds);
1147 #endif
1148
1149   return bounds;
1150 }
1151
1152 void RenderWidgetHostViewAura::GestureEventAck(
1153     const blink::WebGestureEvent& event,
1154     InputEventAckState ack_result) {
1155   if (touch_editing_client_)
1156     touch_editing_client_->GestureEventAck(event.type);
1157 }
1158
1159 void RenderWidgetHostViewAura::ProcessAckedTouchEvent(
1160     const TouchEventWithLatencyInfo& touch, InputEventAckState ack_result) {
1161   ScopedVector<ui::TouchEvent> events;
1162   if (!MakeUITouchEventsFromWebTouchEvents(touch, &events,
1163                                            SCREEN_COORDINATES))
1164     return;
1165
1166   aura::WindowTreeHost* host = window_->GetHost();
1167   // |host| is NULL during tests.
1168   if (!host)
1169     return;
1170
1171   ui::EventResult result = (ack_result ==
1172       INPUT_EVENT_ACK_STATE_CONSUMED) ? ui::ER_HANDLED : ui::ER_UNHANDLED;
1173   for (ScopedVector<ui::TouchEvent>::iterator iter = events.begin(),
1174       end = events.end(); iter != end; ++iter) {
1175     host->dispatcher()->ProcessedTouchEvent((*iter), window_, result);
1176   }
1177 }
1178
1179 scoped_ptr<SyntheticGestureTarget>
1180 RenderWidgetHostViewAura::CreateSyntheticGestureTarget() {
1181   return scoped_ptr<SyntheticGestureTarget>(
1182       new SyntheticGestureTargetAura(host_));
1183 }
1184
1185 void RenderWidgetHostViewAura::SetScrollOffsetPinning(
1186     bool is_pinned_to_left, bool is_pinned_to_right) {
1187   // Not needed. Mac-only.
1188 }
1189
1190 void RenderWidgetHostViewAura::CreateBrowserAccessibilityManagerIfNeeded() {
1191   if (GetBrowserAccessibilityManager())
1192     return;
1193
1194   BrowserAccessibilityManager* manager = NULL;
1195 #if defined(OS_WIN)
1196   aura::WindowTreeHost* host = window_->GetHost();
1197   if (!host)
1198     return;
1199   HWND hwnd = host->GetAcceleratedWidget();
1200
1201   // The accessible_parent may be NULL at this point. The WebContents will pass
1202   // it down to this instance (by way of the RenderViewHost and
1203   // RenderWidgetHost) when it is known. This instance will then set it on its
1204   // BrowserAccessibilityManager.
1205   gfx::NativeViewAccessible accessible_parent =
1206       host_->GetParentNativeViewAccessible();
1207
1208   if (legacy_render_widget_host_HWND_) {
1209     manager = new BrowserAccessibilityManagerWin(
1210         legacy_render_widget_host_HWND_.get(), accessible_parent,
1211         BrowserAccessibilityManagerWin::GetEmptyDocument(), host_);
1212   }
1213 #else
1214   manager = BrowserAccessibilityManager::Create(
1215       BrowserAccessibilityManager::GetEmptyDocument(), host_);
1216 #endif
1217   SetBrowserAccessibilityManager(manager);
1218 }
1219
1220 gfx::GLSurfaceHandle RenderWidgetHostViewAura::GetCompositingSurface() {
1221   return ImageTransportFactory::GetInstance()->GetSharedSurfaceHandle();
1222 }
1223
1224 bool RenderWidgetHostViewAura::LockMouse() {
1225   aura::Window* root_window = window_->GetRootWindow();
1226   if (!root_window)
1227     return false;
1228
1229   if (mouse_locked_)
1230     return true;
1231
1232   mouse_locked_ = true;
1233 #if !defined(OS_WIN)
1234   window_->SetCapture();
1235 #else
1236   UpdateMouseLockRegion();
1237 #endif
1238   aura::client::CursorClient* cursor_client =
1239       aura::client::GetCursorClient(root_window);
1240   if (cursor_client) {
1241     cursor_client->HideCursor();
1242     cursor_client->LockCursor();
1243   }
1244
1245   if (ShouldMoveToCenter()) {
1246     synthetic_move_sent_ = true;
1247     window_->MoveCursorTo(gfx::Rect(window_->bounds().size()).CenterPoint());
1248   }
1249   tooltip_disabler_.reset(new aura::client::ScopedTooltipDisabler(root_window));
1250   return true;
1251 }
1252
1253 void RenderWidgetHostViewAura::UnlockMouse() {
1254   tooltip_disabler_.reset();
1255
1256   aura::Window* root_window = window_->GetRootWindow();
1257   if (!mouse_locked_ || !root_window)
1258     return;
1259
1260   mouse_locked_ = false;
1261
1262 #if !defined(OS_WIN)
1263   window_->ReleaseCapture();
1264 #else
1265   ::ClipCursor(NULL);
1266 #endif
1267   window_->MoveCursorTo(unlocked_mouse_position_);
1268   aura::client::CursorClient* cursor_client =
1269       aura::client::GetCursorClient(root_window);
1270   if (cursor_client) {
1271     cursor_client->UnlockCursor();
1272     cursor_client->ShowCursor();
1273   }
1274
1275   host_->LostMouseLock();
1276 }
1277
1278 ////////////////////////////////////////////////////////////////////////////////
1279 // RenderWidgetHostViewAura, ui::TextInputClient implementation:
1280 void RenderWidgetHostViewAura::SetCompositionText(
1281     const ui::CompositionText& composition) {
1282   if (!host_)
1283     return;
1284
1285   // ui::CompositionUnderline should be identical to
1286   // blink::WebCompositionUnderline, so that we can do reinterpret_cast safely.
1287   COMPILE_ASSERT(sizeof(ui::CompositionUnderline) ==
1288                  sizeof(blink::WebCompositionUnderline),
1289                  ui_CompositionUnderline__WebKit_WebCompositionUnderline_diff);
1290
1291   // TODO(suzhe): convert both renderer_host and renderer to use
1292   // ui::CompositionText.
1293   const std::vector<blink::WebCompositionUnderline>& underlines =
1294       reinterpret_cast<const std::vector<blink::WebCompositionUnderline>&>(
1295           composition.underlines);
1296
1297   // TODO(suzhe): due to a bug of webkit, we can't use selection range with
1298   // composition string. See: https://bugs.webkit.org/show_bug.cgi?id=37788
1299   host_->ImeSetComposition(composition.text, underlines,
1300                            composition.selection.end(),
1301                            composition.selection.end());
1302
1303   has_composition_text_ = !composition.text.empty();
1304 }
1305
1306 void RenderWidgetHostViewAura::ConfirmCompositionText() {
1307   if (host_ && has_composition_text_) {
1308     host_->ImeConfirmComposition(base::string16(), gfx::Range::InvalidRange(),
1309                                  false);
1310   }
1311   has_composition_text_ = false;
1312 }
1313
1314 void RenderWidgetHostViewAura::ClearCompositionText() {
1315   if (host_ && has_composition_text_)
1316     host_->ImeCancelComposition();
1317   has_composition_text_ = false;
1318 }
1319
1320 void RenderWidgetHostViewAura::InsertText(const base::string16& text) {
1321   DCHECK(text_input_type_ != ui::TEXT_INPUT_TYPE_NONE);
1322   if (host_)
1323     host_->ImeConfirmComposition(text, gfx::Range::InvalidRange(), false);
1324   has_composition_text_ = false;
1325 }
1326
1327 void RenderWidgetHostViewAura::InsertChar(base::char16 ch, int flags) {
1328   if (popup_child_host_view_ && popup_child_host_view_->NeedsInputGrab()) {
1329     popup_child_host_view_->InsertChar(ch, flags);
1330     return;
1331   }
1332
1333   // Ignore character messages for VKEY_RETURN sent on CTRL+M. crbug.com/315547
1334   if (host_ && (accept_return_character_ || ch != ui::VKEY_RETURN)) {
1335     double now = ui::EventTimeForNow().InSecondsF();
1336     // Send a blink::WebInputEvent::Char event to |host_|.
1337     NativeWebKeyboardEvent webkit_event(ui::ET_KEY_PRESSED,
1338                                         true /* is_char */,
1339                                         ch,
1340                                         flags,
1341                                         now);
1342     ForwardKeyboardEvent(webkit_event);
1343   }
1344 }
1345
1346 gfx::NativeWindow RenderWidgetHostViewAura::GetAttachedWindow() const {
1347   return window_;
1348 }
1349
1350 ui::TextInputType RenderWidgetHostViewAura::GetTextInputType() const {
1351   return text_input_type_;
1352 }
1353
1354 ui::TextInputMode RenderWidgetHostViewAura::GetTextInputMode() const {
1355   return text_input_mode_;
1356 }
1357
1358 bool RenderWidgetHostViewAura::CanComposeInline() const {
1359   return can_compose_inline_;
1360 }
1361
1362 gfx::Rect RenderWidgetHostViewAura::ConvertRectToScreen(
1363     const gfx::Rect& rect) const {
1364   gfx::Point origin = rect.origin();
1365   gfx::Point end = gfx::Point(rect.right(), rect.bottom());
1366
1367   aura::Window* root_window = window_->GetRootWindow();
1368   if (!root_window)
1369     return rect;
1370   aura::client::ScreenPositionClient* screen_position_client =
1371       aura::client::GetScreenPositionClient(root_window);
1372   if (!screen_position_client)
1373     return rect;
1374   screen_position_client->ConvertPointToScreen(window_, &origin);
1375   screen_position_client->ConvertPointToScreen(window_, &end);
1376   return gfx::Rect(origin.x(),
1377                    origin.y(),
1378                    end.x() - origin.x(),
1379                    end.y() - origin.y());
1380 }
1381
1382 gfx::Rect RenderWidgetHostViewAura::ConvertRectFromScreen(
1383     const gfx::Rect& rect) const {
1384   gfx::Point origin = rect.origin();
1385   gfx::Point end = gfx::Point(rect.right(), rect.bottom());
1386
1387   aura::Window* root_window = window_->GetRootWindow();
1388   if (root_window) {
1389     aura::client::ScreenPositionClient* screen_position_client =
1390         aura::client::GetScreenPositionClient(root_window);
1391     screen_position_client->ConvertPointFromScreen(window_, &origin);
1392     screen_position_client->ConvertPointFromScreen(window_, &end);
1393     return gfx::Rect(origin.x(),
1394                      origin.y(),
1395                      end.x() - origin.x(),
1396                      end.y() - origin.y());
1397   }
1398
1399   return rect;
1400 }
1401
1402 gfx::Rect RenderWidgetHostViewAura::GetCaretBounds() const {
1403   const gfx::Rect rect =
1404       gfx::UnionRects(selection_anchor_rect_, selection_focus_rect_);
1405   return ConvertRectToScreen(rect);
1406 }
1407
1408 bool RenderWidgetHostViewAura::GetCompositionCharacterBounds(
1409     uint32 index,
1410     gfx::Rect* rect) const {
1411   DCHECK(rect);
1412   if (index >= composition_character_bounds_.size())
1413     return false;
1414   *rect = ConvertRectToScreen(composition_character_bounds_[index]);
1415   return true;
1416 }
1417
1418 bool RenderWidgetHostViewAura::HasCompositionText() const {
1419   return has_composition_text_;
1420 }
1421
1422 bool RenderWidgetHostViewAura::GetTextRange(gfx::Range* range) const {
1423   range->set_start(selection_text_offset_);
1424   range->set_end(selection_text_offset_ + selection_text_.length());
1425   return true;
1426 }
1427
1428 bool RenderWidgetHostViewAura::GetCompositionTextRange(
1429     gfx::Range* range) const {
1430   // TODO(suzhe): implement this method when fixing http://crbug.com/55130.
1431   NOTIMPLEMENTED();
1432   return false;
1433 }
1434
1435 bool RenderWidgetHostViewAura::GetSelectionRange(gfx::Range* range) const {
1436   range->set_start(selection_range_.start());
1437   range->set_end(selection_range_.end());
1438   return true;
1439 }
1440
1441 bool RenderWidgetHostViewAura::SetSelectionRange(const gfx::Range& range) {
1442   // TODO(suzhe): implement this method when fixing http://crbug.com/55130.
1443   NOTIMPLEMENTED();
1444   return false;
1445 }
1446
1447 bool RenderWidgetHostViewAura::DeleteRange(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::GetTextFromRange(
1454     const gfx::Range& range,
1455     base::string16* text) const {
1456   gfx::Range selection_text_range(selection_text_offset_,
1457       selection_text_offset_ + selection_text_.length());
1458
1459   if (!selection_text_range.Contains(range)) {
1460     text->clear();
1461     return false;
1462   }
1463   if (selection_text_range.EqualsIgnoringDirection(range)) {
1464     // Avoid calling substr whose performance is low.
1465     *text = selection_text_;
1466   } else {
1467     *text = selection_text_.substr(
1468         range.GetMin() - selection_text_offset_,
1469         range.length());
1470   }
1471   return true;
1472 }
1473
1474 void RenderWidgetHostViewAura::OnInputMethodChanged() {
1475   if (!host_)
1476     return;
1477
1478   if (GetInputMethod())
1479     host_->SetInputMethodActive(GetInputMethod()->IsActive());
1480
1481   // TODO(suzhe): implement the newly added “locale” property of HTML DOM
1482   // TextEvent.
1483 }
1484
1485 bool RenderWidgetHostViewAura::ChangeTextDirectionAndLayoutAlignment(
1486       base::i18n::TextDirection direction) {
1487   if (!host_)
1488     return false;
1489   host_->UpdateTextDirection(
1490       direction == base::i18n::RIGHT_TO_LEFT ?
1491       blink::WebTextDirectionRightToLeft :
1492       blink::WebTextDirectionLeftToRight);
1493   host_->NotifyTextDirection();
1494   return true;
1495 }
1496
1497 void RenderWidgetHostViewAura::ExtendSelectionAndDelete(
1498     size_t before, size_t after) {
1499   RenderFrameHostImpl* rfh = GetFocusedFrame();
1500   if (rfh)
1501     rfh->ExtendSelectionAndDelete(before, after);
1502 }
1503
1504 void RenderWidgetHostViewAura::EnsureCaretInRect(const gfx::Rect& rect) {
1505   gfx::Rect intersected_rect(
1506       gfx::IntersectRects(rect, window_->GetBoundsInScreen()));
1507
1508   if (intersected_rect.IsEmpty())
1509     return;
1510
1511   host_->ScrollFocusedEditableNodeIntoRect(
1512       ConvertRectFromScreen(intersected_rect));
1513 }
1514
1515 void RenderWidgetHostViewAura::OnCandidateWindowShown() {
1516   host_->CandidateWindowShown();
1517 }
1518
1519 void RenderWidgetHostViewAura::OnCandidateWindowUpdated() {
1520   host_->CandidateWindowUpdated();
1521 }
1522
1523 void RenderWidgetHostViewAura::OnCandidateWindowHidden() {
1524   host_->CandidateWindowHidden();
1525 }
1526
1527 ////////////////////////////////////////////////////////////////////////////////
1528 // RenderWidgetHostViewAura, gfx::DisplayObserver implementation:
1529
1530 void RenderWidgetHostViewAura::OnDisplayBoundsChanged(
1531     const gfx::Display& display) {
1532   gfx::Screen* screen = gfx::Screen::GetScreenFor(window_);
1533   if (display.id() == screen->GetDisplayNearestWindow(window_).id()) {
1534     UpdateScreenInfo(window_);
1535     current_cursor_.SetDisplayInfo(display);
1536     UpdateCursorIfOverSelf();
1537   }
1538 }
1539
1540 void RenderWidgetHostViewAura::OnDisplayAdded(
1541     const gfx::Display& new_display) {
1542 }
1543
1544 void RenderWidgetHostViewAura::OnDisplayRemoved(
1545     const gfx::Display& old_display) {
1546 }
1547
1548 ////////////////////////////////////////////////////////////////////////////////
1549 // RenderWidgetHostViewAura, aura::WindowDelegate implementation:
1550
1551 gfx::Size RenderWidgetHostViewAura::GetMinimumSize() const {
1552   return gfx::Size();
1553 }
1554
1555 gfx::Size RenderWidgetHostViewAura::GetMaximumSize() const {
1556   return gfx::Size();
1557 }
1558
1559 void RenderWidgetHostViewAura::OnBoundsChanged(const gfx::Rect& old_bounds,
1560                                                const gfx::Rect& new_bounds) {
1561   base::AutoReset<bool> in_bounds_changed(&in_bounds_changed_, true);
1562   // We care about this whenever RenderWidgetHostViewAura is not owned by a
1563   // WebContentsViewAura since changes to the Window's bounds need to be
1564   // messaged to the renderer.  WebContentsViewAura invokes SetSize() or
1565   // SetBounds() itself.  No matter how we got here, any redundant calls are
1566   // harmless.
1567   SetSize(new_bounds.size());
1568
1569   if (GetInputMethod())
1570     GetInputMethod()->OnCaretBoundsChanged(this);
1571 }
1572
1573 gfx::NativeCursor RenderWidgetHostViewAura::GetCursor(const gfx::Point& point) {
1574   if (mouse_locked_)
1575     return ui::kCursorNone;
1576   return current_cursor_.GetNativeCursor();
1577 }
1578
1579 int RenderWidgetHostViewAura::GetNonClientComponent(
1580     const gfx::Point& point) const {
1581   return HTCLIENT;
1582 }
1583
1584 bool RenderWidgetHostViewAura::ShouldDescendIntoChildForEventHandling(
1585     aura::Window* child,
1586     const gfx::Point& location) {
1587   return true;
1588 }
1589
1590 bool RenderWidgetHostViewAura::CanFocus() {
1591   return popup_type_ == blink::WebPopupTypeNone;
1592 }
1593
1594 void RenderWidgetHostViewAura::OnCaptureLost() {
1595   host_->LostCapture();
1596   if (touch_editing_client_)
1597     touch_editing_client_->EndTouchEditing(false);
1598 }
1599
1600 void RenderWidgetHostViewAura::OnPaint(gfx::Canvas* canvas) {
1601   // For non-opaque windows, we don't draw anything, since we depend on the
1602   // canvas coming from the compositor to already be initialized as
1603   // transparent.
1604   if (window_->layer()->fills_bounds_opaquely())
1605     canvas->DrawColor(SK_ColorWHITE);
1606 }
1607
1608 void RenderWidgetHostViewAura::OnDeviceScaleFactorChanged(
1609     float device_scale_factor) {
1610   if (!host_)
1611     return;
1612
1613   UpdateScreenInfo(window_);
1614
1615   const gfx::Display display = gfx::Screen::GetScreenFor(window_)->
1616       GetDisplayNearestWindow(window_);
1617   DCHECK_EQ(device_scale_factor, display.device_scale_factor());
1618   current_cursor_.SetDisplayInfo(display);
1619 }
1620
1621 void RenderWidgetHostViewAura::OnWindowDestroying(aura::Window* window) {
1622 #if defined(OS_WIN)
1623   HWND parent = NULL;
1624   // If the tab was hidden and it's closed, host_->is_hidden would have been
1625   // reset to false in RenderWidgetHostImpl::RendererExited.
1626   if (!window_->GetRootWindow() || host_->is_hidden()) {
1627     parent = ui::GetHiddenWindow();
1628   } else {
1629     parent = window_->GetHost()->GetAcceleratedWidget();
1630   }
1631   LPARAM lparam = reinterpret_cast<LPARAM>(this);
1632   EnumChildWindows(parent, WindowDestroyingCallback, lparam);
1633 #endif
1634
1635   // Make sure that the input method no longer references to this object before
1636   // this object is removed from the root window (i.e. this object loses access
1637   // to the input method).
1638   ui::InputMethod* input_method = GetInputMethod();
1639   if (input_method)
1640     input_method->DetachTextInputClient(this);
1641 }
1642
1643 void RenderWidgetHostViewAura::OnWindowDestroyed(aura::Window* window) {
1644   host_->ViewDestroyed();
1645   delete this;
1646 }
1647
1648 void RenderWidgetHostViewAura::OnWindowTargetVisibilityChanged(bool visible) {
1649 }
1650
1651 bool RenderWidgetHostViewAura::HasHitTestMask() const {
1652   return false;
1653 }
1654
1655 void RenderWidgetHostViewAura::GetHitTestMask(gfx::Path* mask) const {
1656 }
1657
1658 ////////////////////////////////////////////////////////////////////////////////
1659 // RenderWidgetHostViewAura, ui::EventHandler implementation:
1660
1661 void RenderWidgetHostViewAura::OnKeyEvent(ui::KeyEvent* event) {
1662   TRACE_EVENT0("input", "RenderWidgetHostViewAura::OnKeyEvent");
1663   if (touch_editing_client_ && touch_editing_client_->HandleInputEvent(event))
1664     return;
1665
1666   if (popup_child_host_view_ && popup_child_host_view_->NeedsInputGrab()) {
1667     popup_child_host_view_->OnKeyEvent(event);
1668     if (event->handled())
1669       return;
1670   }
1671
1672   // We need to handle the Escape key for Pepper Flash.
1673   if (is_fullscreen_ && event->key_code() == ui::VKEY_ESCAPE) {
1674     // Focus the window we were created from.
1675     if (host_tracker_.get() && !host_tracker_->windows().empty()) {
1676       aura::Window* host = *(host_tracker_->windows().begin());
1677       aura::client::FocusClient* client = aura::client::GetFocusClient(host);
1678       if (client) {
1679         // Calling host->Focus() may delete |this|. We create a local observer
1680         // for that. In that case we exit without further access to any members.
1681         aura::WindowTracker tracker;
1682         aura::Window* window = window_;
1683         tracker.Add(window);
1684         host->Focus();
1685         if (!tracker.Contains(window)) {
1686           event->SetHandled();
1687           return;
1688         }
1689       }
1690     }
1691     if (!in_shutdown_) {
1692       in_shutdown_ = true;
1693       host_->Shutdown();
1694     }
1695   } else {
1696     if (event->key_code() == ui::VKEY_RETURN) {
1697       // Do not forward return key release events if no press event was handled.
1698       if (event->type() == ui::ET_KEY_RELEASED && !accept_return_character_)
1699         return;
1700       // Accept return key character events between press and release events.
1701       accept_return_character_ = event->type() == ui::ET_KEY_PRESSED;
1702     }
1703
1704     // We don't have to communicate with an input method here.
1705     if (!event->HasNativeEvent()) {
1706       NativeWebKeyboardEvent webkit_event(
1707           event->type(),
1708           event->is_char(),
1709           event->is_char() ? event->GetCharacter() : event->key_code(),
1710           event->flags(),
1711           ui::EventTimeForNow().InSecondsF());
1712       ForwardKeyboardEvent(webkit_event);
1713     } else {
1714       NativeWebKeyboardEvent webkit_event(event);
1715       ForwardKeyboardEvent(webkit_event);
1716     }
1717   }
1718   event->SetHandled();
1719 }
1720
1721 void RenderWidgetHostViewAura::OnMouseEvent(ui::MouseEvent* event) {
1722   TRACE_EVENT0("input", "RenderWidgetHostViewAura::OnMouseEvent");
1723
1724   if (touch_editing_client_ && touch_editing_client_->HandleInputEvent(event))
1725     return;
1726
1727   if (mouse_locked_) {
1728     aura::client::CursorClient* cursor_client =
1729         aura::client::GetCursorClient(window_->GetRootWindow());
1730     DCHECK(!cursor_client || !cursor_client->IsCursorVisible());
1731
1732     if (event->type() == ui::ET_MOUSEWHEEL) {
1733       blink::WebMouseWheelEvent mouse_wheel_event =
1734           MakeWebMouseWheelEvent(static_cast<ui::MouseWheelEvent*>(event));
1735       if (mouse_wheel_event.deltaX != 0 || mouse_wheel_event.deltaY != 0)
1736         host_->ForwardWheelEvent(mouse_wheel_event);
1737       return;
1738     }
1739
1740     gfx::Point center(gfx::Rect(window_->bounds().size()).CenterPoint());
1741
1742     // If we receive non client mouse messages while we are in the locked state
1743     // it probably means that the mouse left the borders of our window and
1744     // needs to be moved back to the center.
1745     if (event->flags() & ui::EF_IS_NON_CLIENT) {
1746       synthetic_move_sent_ = true;
1747       window_->MoveCursorTo(center);
1748       return;
1749     }
1750
1751     blink::WebMouseEvent mouse_event = MakeWebMouseEvent(event);
1752
1753     bool is_move_to_center_event = (event->type() == ui::ET_MOUSE_MOVED ||
1754         event->type() == ui::ET_MOUSE_DRAGGED) &&
1755         mouse_event.x == center.x() && mouse_event.y == center.y();
1756
1757     ModifyEventMovementAndCoords(&mouse_event);
1758
1759     bool should_not_forward = is_move_to_center_event && synthetic_move_sent_;
1760     if (should_not_forward) {
1761       synthetic_move_sent_ = false;
1762     } else {
1763       // Check if the mouse has reached the border and needs to be centered.
1764       if (ShouldMoveToCenter()) {
1765         synthetic_move_sent_ = true;
1766         window_->MoveCursorTo(center);
1767       }
1768       // Forward event to renderer.
1769       if (CanRendererHandleEvent(event) &&
1770           !(event->flags() & ui::EF_FROM_TOUCH)) {
1771         host_->ForwardMouseEvent(mouse_event);
1772         // Ensure that we get keyboard focus on mouse down as a plugin window
1773         // may have grabbed keyboard focus.
1774         if (event->type() == ui::ET_MOUSE_PRESSED)
1775           SetKeyboardFocus();
1776       }
1777     }
1778     return;
1779   }
1780
1781   // As the overscroll is handled during scroll events from the trackpad, the
1782   // RWHVA window is transformed by the overscroll controller. This transform
1783   // triggers a synthetic mouse-move event to be generated (by the aura
1784   // RootWindow). But this event interferes with the overscroll gesture. So,
1785   // ignore such synthetic mouse-move events if an overscroll gesture is in
1786   // progress.
1787   if (host_->overscroll_controller() &&
1788       host_->overscroll_controller()->overscroll_mode() != OVERSCROLL_NONE &&
1789       event->flags() & ui::EF_IS_SYNTHESIZED &&
1790       (event->type() == ui::ET_MOUSE_ENTERED ||
1791        event->type() == ui::ET_MOUSE_EXITED ||
1792        event->type() == ui::ET_MOUSE_MOVED)) {
1793     event->StopPropagation();
1794     return;
1795   }
1796
1797   if (event->type() == ui::ET_MOUSEWHEEL) {
1798 #if defined(OS_WIN)
1799     // We get mouse wheel/scroll messages even if we are not in the foreground.
1800     // So here we check if we have any owned popup windows in the foreground and
1801     // dismiss them.
1802     aura::WindowTreeHost* host = window_->GetHost();
1803     if (host) {
1804       HWND parent = host->GetAcceleratedWidget();
1805       HWND toplevel_hwnd = ::GetAncestor(parent, GA_ROOT);
1806       EnumThreadWindows(GetCurrentThreadId(),
1807                         DismissOwnedPopups,
1808                         reinterpret_cast<LPARAM>(toplevel_hwnd));
1809     }
1810 #endif
1811     blink::WebMouseWheelEvent mouse_wheel_event =
1812         MakeWebMouseWheelEvent(static_cast<ui::MouseWheelEvent*>(event));
1813     if (mouse_wheel_event.deltaX != 0 || mouse_wheel_event.deltaY != 0)
1814       host_->ForwardWheelEvent(mouse_wheel_event);
1815   } else if (CanRendererHandleEvent(event) &&
1816              !(event->flags() & ui::EF_FROM_TOUCH)) {
1817     blink::WebMouseEvent mouse_event = MakeWebMouseEvent(event);
1818     ModifyEventMovementAndCoords(&mouse_event);
1819     host_->ForwardMouseEvent(mouse_event);
1820     // Ensure that we get keyboard focus on mouse down as a plugin window may
1821     // have grabbed keyboard focus.
1822     if (event->type() == ui::ET_MOUSE_PRESSED)
1823       SetKeyboardFocus();
1824   }
1825
1826   switch (event->type()) {
1827     case ui::ET_MOUSE_PRESSED:
1828       window_->SetCapture();
1829       // Confirm existing composition text on mouse click events, to make sure
1830       // the input caret won't be moved with an ongoing composition text.
1831       FinishImeCompositionSession();
1832       break;
1833     case ui::ET_MOUSE_RELEASED:
1834       window_->ReleaseCapture();
1835       break;
1836     default:
1837       break;
1838   }
1839
1840   // Needed to propagate mouse event to |window_->parent()->delegate()|, but
1841   // note that it might be something other than a WebContentsViewAura instance.
1842   // TODO(pkotwicz): Find a better way of doing this.
1843   // In fullscreen mode which is typically used by flash, don't forward
1844   // the mouse events to the parent. The renderer and the plugin process
1845   // handle these events.
1846   if (!is_fullscreen_ && window_->parent()->delegate() &&
1847       !(event->flags() & ui::EF_FROM_TOUCH)) {
1848     event->ConvertLocationToTarget(window_, window_->parent());
1849     window_->parent()->delegate()->OnMouseEvent(event);
1850   }
1851
1852   if (!IsXButtonUpEvent(event))
1853     event->SetHandled();
1854 }
1855
1856 void RenderWidgetHostViewAura::OnScrollEvent(ui::ScrollEvent* event) {
1857   TRACE_EVENT0("input", "RenderWidgetHostViewAura::OnScrollEvent");
1858   if (touch_editing_client_ && touch_editing_client_->HandleInputEvent(event))
1859     return;
1860
1861   if (event->type() == ui::ET_SCROLL) {
1862 #if !defined(OS_WIN)
1863     // TODO(ananta)
1864     // Investigate if this is true for Windows 8 Metro ASH as well.
1865     if (event->finger_count() != 2)
1866       return;
1867 #endif
1868     blink::WebGestureEvent gesture_event =
1869         MakeWebGestureEventFlingCancel();
1870     host_->ForwardGestureEvent(gesture_event);
1871     blink::WebMouseWheelEvent mouse_wheel_event =
1872         MakeWebMouseWheelEvent(event);
1873     host_->ForwardWheelEvent(mouse_wheel_event);
1874     RecordAction(base::UserMetricsAction("TrackpadScroll"));
1875   } else if (event->type() == ui::ET_SCROLL_FLING_START ||
1876              event->type() == ui::ET_SCROLL_FLING_CANCEL) {
1877     blink::WebGestureEvent gesture_event =
1878         MakeWebGestureEvent(event);
1879     host_->ForwardGestureEvent(gesture_event);
1880     if (event->type() == ui::ET_SCROLL_FLING_START)
1881       RecordAction(base::UserMetricsAction("TrackpadScrollFling"));
1882   }
1883
1884   event->SetHandled();
1885 }
1886
1887 void RenderWidgetHostViewAura::OnTouchEvent(ui::TouchEvent* event) {
1888   TRACE_EVENT0("input", "RenderWidgetHostViewAura::OnTouchEvent");
1889   if (touch_editing_client_ && touch_editing_client_->HandleInputEvent(event))
1890     return;
1891
1892   // Update the touch event first.
1893   blink::WebTouchPoint* point = UpdateWebTouchEventFromUIEvent(*event,
1894                                                                 &touch_event_);
1895
1896   // Forward the touch event only if a touch point was updated, and there's a
1897   // touch-event handler in the page, and no other touch-event is in the queue.
1898   // It is important to always consume the event if there is a touch-event
1899   // handler in the page, or some touch-event is already in the queue, even if
1900   // no point has been updated, to make sure that this event does not get
1901   // processed by the gesture recognizer before the events in the queue.
1902   if (host_->ShouldForwardTouchEvent())
1903     event->StopPropagation();
1904
1905   if (point) {
1906     if (host_->ShouldForwardTouchEvent())
1907       host_->ForwardTouchEventWithLatencyInfo(touch_event_, *event->latency());
1908     UpdateWebTouchEventAfterDispatch(&touch_event_, point);
1909   }
1910 }
1911
1912 void RenderWidgetHostViewAura::OnGestureEvent(ui::GestureEvent* event) {
1913   TRACE_EVENT0("input", "RenderWidgetHostViewAura::OnGestureEvent");
1914   if ((event->type() == ui::ET_GESTURE_PINCH_BEGIN ||
1915       event->type() == ui::ET_GESTURE_PINCH_UPDATE ||
1916       event->type() == ui::ET_GESTURE_PINCH_END) && !pinch_zoom_enabled_) {
1917     event->SetHandled();
1918     return;
1919   }
1920
1921   if (touch_editing_client_ && touch_editing_client_->HandleInputEvent(event))
1922     return;
1923
1924   RenderViewHostDelegate* delegate = NULL;
1925   if (host_->IsRenderView())
1926     delegate = RenderViewHost::From(host_)->GetDelegate();
1927
1928   if (delegate && event->type() == ui::ET_GESTURE_BEGIN &&
1929       event->details().touch_points() == 1) {
1930     delegate->HandleGestureBegin();
1931   }
1932
1933   blink::WebGestureEvent gesture = MakeWebGestureEvent(event);
1934   if (event->type() == ui::ET_GESTURE_TAP_DOWN) {
1935     // Webkit does not stop a fling-scroll on tap-down. So explicitly send an
1936     // event to stop any in-progress flings.
1937     blink::WebGestureEvent fling_cancel = gesture;
1938     fling_cancel.type = blink::WebInputEvent::GestureFlingCancel;
1939     fling_cancel.sourceDevice = blink::WebGestureEvent::Touchscreen;
1940     host_->ForwardGestureEvent(fling_cancel);
1941   }
1942
1943   if (gesture.type != blink::WebInputEvent::Undefined) {
1944     host_->ForwardGestureEventWithLatencyInfo(gesture, *event->latency());
1945
1946     if (event->type() == ui::ET_GESTURE_SCROLL_BEGIN ||
1947         event->type() == ui::ET_GESTURE_SCROLL_UPDATE ||
1948         event->type() == ui::ET_GESTURE_SCROLL_END) {
1949       RecordAction(base::UserMetricsAction("TouchscreenScroll"));
1950     } else if (event->type() == ui::ET_SCROLL_FLING_START) {
1951       RecordAction(base::UserMetricsAction("TouchscreenScrollFling"));
1952     }
1953   }
1954
1955   if (delegate && event->type() == ui::ET_GESTURE_END &&
1956       event->details().touch_points() == 1) {
1957     delegate->HandleGestureEnd();
1958   }
1959
1960   // If a gesture is not processed by the webpage, then WebKit processes it
1961   // (e.g. generates synthetic mouse events).
1962   event->SetHandled();
1963 }
1964
1965 ////////////////////////////////////////////////////////////////////////////////
1966 // RenderWidgetHostViewAura, aura::client::ActivationDelegate implementation:
1967
1968 bool RenderWidgetHostViewAura::ShouldActivate() const {
1969   aura::WindowTreeHost* host = window_->GetHost();
1970   if (!host)
1971     return true;
1972   const ui::Event* event = host->dispatcher()->current_event();
1973   if (!event)
1974     return true;
1975   return is_fullscreen_;
1976 }
1977
1978 ////////////////////////////////////////////////////////////////////////////////
1979 // RenderWidgetHostViewAura,
1980 //     aura::client::ActivationChangeObserver implementation:
1981
1982 void RenderWidgetHostViewAura::OnWindowActivated(aura::Window* gained_active,
1983                                                  aura::Window* lost_active) {
1984   DCHECK(window_ == gained_active || window_ == lost_active);
1985   if (window_ == gained_active) {
1986     const ui::Event* event = window_->GetHost()->dispatcher()->current_event();
1987     if (event && PointerEventActivates(*event))
1988       host_->OnPointerEventActivate();
1989   }
1990 }
1991
1992 ////////////////////////////////////////////////////////////////////////////////
1993 // RenderWidgetHostViewAura, aura::client::CursorClientObserver implementation:
1994
1995 void RenderWidgetHostViewAura::OnCursorVisibilityChanged(bool is_visible) {
1996   NotifyRendererOfCursorVisibilityState(is_visible);
1997 }
1998
1999 ////////////////////////////////////////////////////////////////////////////////
2000 // RenderWidgetHostViewAura, aura::client::FocusChangeObserver implementation:
2001
2002 void RenderWidgetHostViewAura::OnWindowFocused(aura::Window* gained_focus,
2003                                                aura::Window* lost_focus) {
2004   DCHECK(window_ == gained_focus || window_ == lost_focus);
2005   if (window_ == gained_focus) {
2006     // We need to honor input bypass if the associated tab is does not want
2007     // input. This gives the current focused window a chance to be the text
2008     // input client and handle events.
2009     if (host_->ignore_input_events())
2010       return;
2011
2012     host_->GotFocus();
2013     host_->SetActive(true);
2014
2015     ui::InputMethod* input_method = GetInputMethod();
2016     if (input_method) {
2017       // Ask the system-wide IME to send all TextInputClient messages to |this|
2018       // object.
2019       input_method->SetFocusedTextInputClient(this);
2020       host_->SetInputMethodActive(input_method->IsActive());
2021
2022       // Often the application can set focus to the view in response to a key
2023       // down. However the following char event shouldn't be sent to the web
2024       // page.
2025       host_->SuppressNextCharEvents();
2026     } else {
2027       host_->SetInputMethodActive(false);
2028     }
2029
2030     BrowserAccessibilityManager* manager = GetBrowserAccessibilityManager();
2031     if (manager)
2032       manager->OnWindowFocused();
2033   } else if (window_ == lost_focus) {
2034     host_->SetActive(false);
2035     host_->Blur();
2036
2037     DetachFromInputMethod();
2038     host_->SetInputMethodActive(false);
2039
2040     if (touch_editing_client_)
2041       touch_editing_client_->EndTouchEditing(false);
2042
2043     BrowserAccessibilityManager* manager = GetBrowserAccessibilityManager();
2044     if (manager)
2045       manager->OnWindowBlurred();
2046
2047     // If we lose the focus while fullscreen, close the window; Pepper Flash
2048     // won't do it for us (unlike NPAPI Flash). However, we do not close the
2049     // window if we lose the focus to a window on another display.
2050     gfx::Screen* screen = gfx::Screen::GetScreenFor(window_);
2051     bool focusing_other_display =
2052         gained_focus && screen->GetNumDisplays() > 1 &&
2053         (screen->GetDisplayNearestWindow(window_).id() !=
2054          screen->GetDisplayNearestWindow(gained_focus).id());
2055     if (is_fullscreen_ && !in_shutdown_ && !focusing_other_display) {
2056 #if defined(OS_WIN)
2057       // On Windows, if we are switching to a non Aura Window on a different
2058       // screen we should not close the fullscreen window.
2059       if (!gained_focus) {
2060         POINT point = {0};
2061         ::GetCursorPos(&point);
2062         if (screen->GetDisplayNearestWindow(window_).id() !=
2063             screen->GetDisplayNearestPoint(gfx::Point(point)).id())
2064           return;
2065       }
2066 #endif
2067       in_shutdown_ = true;
2068       host_->Shutdown();
2069     }
2070   }
2071 }
2072
2073 ////////////////////////////////////////////////////////////////////////////////
2074 // RenderWidgetHostViewAura, aura::WindowTreeHostObserver implementation:
2075
2076 void RenderWidgetHostViewAura::OnHostMoved(const aura::WindowTreeHost* host,
2077                                            const gfx::Point& new_origin) {
2078   TRACE_EVENT1("ui", "RenderWidgetHostViewAura::OnHostMoved",
2079                "new_origin", new_origin.ToString());
2080
2081   UpdateScreenInfo(window_);
2082 }
2083
2084 ////////////////////////////////////////////////////////////////////////////////
2085 // RenderWidgetHostViewAura, private:
2086
2087 RenderWidgetHostViewAura::~RenderWidgetHostViewAura() {
2088   if (touch_editing_client_)
2089     touch_editing_client_->OnViewDestroyed();
2090
2091   delegated_frame_host_.reset();
2092   window_observer_.reset();
2093   if (window_->GetHost())
2094     window_->GetHost()->RemoveObserver(this);
2095   UnlockMouse();
2096   if (popup_parent_host_view_) {
2097     DCHECK(popup_parent_host_view_->popup_child_host_view_ == NULL ||
2098            popup_parent_host_view_->popup_child_host_view_ == this);
2099     popup_parent_host_view_->popup_child_host_view_ = NULL;
2100   }
2101   if (popup_child_host_view_) {
2102     DCHECK(popup_child_host_view_->popup_parent_host_view_ == NULL ||
2103            popup_child_host_view_->popup_parent_host_view_ == this);
2104     popup_child_host_view_->popup_parent_host_view_ = NULL;
2105   }
2106   event_filter_for_popup_exit_.reset();
2107   aura::client::SetTooltipText(window_, NULL);
2108   gfx::Screen::GetScreenFor(window_)->RemoveObserver(this);
2109
2110   // This call is usually no-op since |this| object is already removed from the
2111   // Aura root window and we don't have a way to get an input method object
2112   // associated with the window, but just in case.
2113   DetachFromInputMethod();
2114
2115 #if defined(OS_WIN)
2116   legacy_render_widget_host_HWND_.reset(NULL);
2117 #endif
2118 }
2119
2120 void RenderWidgetHostViewAura::UpdateCursorIfOverSelf() {
2121   const gfx::Point screen_point =
2122       gfx::Screen::GetScreenFor(GetNativeView())->GetCursorScreenPoint();
2123   aura::Window* root_window = window_->GetRootWindow();
2124   if (!root_window)
2125     return;
2126
2127   gfx::Point root_window_point = screen_point;
2128   aura::client::ScreenPositionClient* screen_position_client =
2129       aura::client::GetScreenPositionClient(root_window);
2130   if (screen_position_client) {
2131     screen_position_client->ConvertPointFromScreen(
2132         root_window, &root_window_point);
2133   }
2134
2135   if (root_window->GetEventHandlerForPoint(root_window_point) != window_)
2136     return;
2137
2138   gfx::NativeCursor cursor = current_cursor_.GetNativeCursor();
2139   // Do not show loading cursor when the cursor is currently hidden.
2140   if (is_loading_ && cursor != ui::kCursorNone)
2141     cursor = ui::kCursorPointer;
2142
2143   aura::client::CursorClient* cursor_client =
2144       aura::client::GetCursorClient(root_window);
2145   if (cursor_client) {
2146     cursor_client->SetCursor(cursor);
2147   }
2148 }
2149
2150 ui::InputMethod* RenderWidgetHostViewAura::GetInputMethod() const {
2151   aura::Window* root_window = window_->GetRootWindow();
2152   if (!root_window)
2153     return NULL;
2154   return root_window->GetProperty(aura::client::kRootWindowInputMethodKey);
2155 }
2156
2157 bool RenderWidgetHostViewAura::NeedsInputGrab() {
2158   return popup_type_ == blink::WebPopupTypeSelect;
2159 }
2160
2161 void RenderWidgetHostViewAura::FinishImeCompositionSession() {
2162   if (!has_composition_text_)
2163     return;
2164   if (host_) {
2165     host_->ImeConfirmComposition(base::string16(), gfx::Range::InvalidRange(),
2166                                  false);
2167   }
2168   ImeCancelComposition();
2169 }
2170
2171 void RenderWidgetHostViewAura::ModifyEventMovementAndCoords(
2172     blink::WebMouseEvent* event) {
2173   // If the mouse has just entered, we must report zero movementX/Y. Hence we
2174   // reset any global_mouse_position set previously.
2175   if (event->type == blink::WebInputEvent::MouseEnter ||
2176       event->type == blink::WebInputEvent::MouseLeave)
2177     global_mouse_position_.SetPoint(event->globalX, event->globalY);
2178
2179   // Movement is computed by taking the difference of the new cursor position
2180   // and the previous. Under mouse lock the cursor will be warped back to the
2181   // center so that we are not limited by clipping boundaries.
2182   // We do not measure movement as the delta from cursor to center because
2183   // we may receive more mouse movement events before our warp has taken
2184   // effect.
2185   event->movementX = event->globalX - global_mouse_position_.x();
2186   event->movementY = event->globalY - global_mouse_position_.y();
2187
2188   global_mouse_position_.SetPoint(event->globalX, event->globalY);
2189
2190   // Under mouse lock, coordinates of mouse are locked to what they were when
2191   // mouse lock was entered.
2192   if (mouse_locked_) {
2193     event->x = unlocked_mouse_position_.x();
2194     event->y = unlocked_mouse_position_.y();
2195     event->windowX = unlocked_mouse_position_.x();
2196     event->windowY = unlocked_mouse_position_.y();
2197     event->globalX = unlocked_global_mouse_position_.x();
2198     event->globalY = unlocked_global_mouse_position_.y();
2199   } else {
2200     unlocked_mouse_position_.SetPoint(event->windowX, event->windowY);
2201     unlocked_global_mouse_position_.SetPoint(event->globalX, event->globalY);
2202   }
2203 }
2204
2205 void RenderWidgetHostViewAura::NotifyRendererOfCursorVisibilityState(
2206     bool is_visible) {
2207   if (host_->is_hidden() ||
2208       (cursor_visibility_state_in_renderer_ == VISIBLE && is_visible) ||
2209       (cursor_visibility_state_in_renderer_ == NOT_VISIBLE && !is_visible))
2210     return;
2211
2212   cursor_visibility_state_in_renderer_ = is_visible ? VISIBLE : NOT_VISIBLE;
2213   host_->SendCursorVisibilityState(is_visible);
2214 }
2215
2216 void RenderWidgetHostViewAura::SchedulePaintIfNotInClip(
2217     const gfx::Rect& rect,
2218     const gfx::Rect& clip) {
2219   if (!clip.IsEmpty()) {
2220     gfx::Rect to_paint = gfx::SubtractRects(rect, clip);
2221     if (!to_paint.IsEmpty())
2222       window_->SchedulePaintInRect(to_paint);
2223   } else {
2224     window_->SchedulePaintInRect(rect);
2225   }
2226 }
2227
2228 bool RenderWidgetHostViewAura::ShouldMoveToCenter() {
2229   gfx::Rect rect = window_->bounds();
2230   rect = ConvertRectToScreen(rect);
2231   int border_x = rect.width() * kMouseLockBorderPercentage / 100;
2232   int border_y = rect.height() * kMouseLockBorderPercentage / 100;
2233
2234   return global_mouse_position_.x() < rect.x() + border_x ||
2235       global_mouse_position_.x() > rect.right() - border_x ||
2236       global_mouse_position_.y() < rect.y() + border_y ||
2237       global_mouse_position_.y() > rect.bottom() - border_y;
2238 }
2239
2240 void RenderWidgetHostViewAura::AddedToRootWindow() {
2241   window_->GetHost()->AddObserver(this);
2242   UpdateScreenInfo(window_);
2243
2244   aura::client::CursorClient* cursor_client =
2245       aura::client::GetCursorClient(window_->GetRootWindow());
2246   if (cursor_client) {
2247     cursor_client->AddObserver(this);
2248     NotifyRendererOfCursorVisibilityState(cursor_client->IsCursorVisible());
2249   }
2250   if (HasFocus()) {
2251     ui::InputMethod* input_method = GetInputMethod();
2252     if (input_method)
2253       input_method->SetFocusedTextInputClient(this);
2254   }
2255
2256 #if defined(OS_WIN)
2257   // The parent may have changed here. Ensure that the legacy window is
2258   // reparented accordingly.
2259   if (legacy_render_widget_host_HWND_)
2260     legacy_render_widget_host_HWND_->UpdateParent(
2261         reinterpret_cast<HWND>(GetNativeViewId()));
2262 #endif
2263
2264   delegated_frame_host_->AddedToWindow();
2265 }
2266
2267 void RenderWidgetHostViewAura::RemovingFromRootWindow() {
2268   aura::client::CursorClient* cursor_client =
2269       aura::client::GetCursorClient(window_->GetRootWindow());
2270   if (cursor_client)
2271     cursor_client->RemoveObserver(this);
2272
2273   DetachFromInputMethod();
2274
2275   window_->GetHost()->RemoveObserver(this);
2276   delegated_frame_host_->RemovingFromWindow();
2277
2278 #if defined(OS_WIN)
2279   // Update the legacy window's parent temporarily to the desktop window. It
2280   // will eventually get reparented to the right root.
2281   if (legacy_render_widget_host_HWND_)
2282     legacy_render_widget_host_HWND_->UpdateParent(::GetDesktopWindow());
2283 #endif
2284 }
2285
2286 void RenderWidgetHostViewAura::DetachFromInputMethod() {
2287   ui::InputMethod* input_method = GetInputMethod();
2288   if (input_method && input_method->GetTextInputClient() == this)
2289     input_method->SetFocusedTextInputClient(NULL);
2290 }
2291
2292 void RenderWidgetHostViewAura::ForwardKeyboardEvent(
2293     const NativeWebKeyboardEvent& event) {
2294 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
2295   ui::TextEditKeyBindingsDelegateAuraLinux* keybinding_delegate =
2296       ui::GetTextEditKeyBindingsDelegate();
2297   std::vector<ui::TextEditCommandAuraLinux> commands;
2298   if (!event.skip_in_browser &&
2299       keybinding_delegate &&
2300       event.os_event &&
2301       keybinding_delegate->MatchEvent(*event.os_event, &commands)) {
2302     // Transform from ui/ types to content/ types.
2303     EditCommands edit_commands;
2304     for (std::vector<ui::TextEditCommandAuraLinux>::const_iterator it =
2305              commands.begin(); it != commands.end(); ++it) {
2306       edit_commands.push_back(EditCommand(it->GetCommandString(),
2307                                           it->argument()));
2308     }
2309     host_->Send(new InputMsg_SetEditCommandsForNextKeyEvent(
2310         host_->GetRoutingID(), edit_commands));
2311     NativeWebKeyboardEvent copy_event(event);
2312     copy_event.match_edit_command = true;
2313     host_->ForwardKeyboardEvent(copy_event);
2314     return;
2315   }
2316 #endif
2317
2318   host_->ForwardKeyboardEvent(event);
2319 }
2320
2321 SkBitmap::Config RenderWidgetHostViewAura::PreferredReadbackFormat() {
2322   return SkBitmap::kARGB_8888_Config;
2323 }
2324
2325 ////////////////////////////////////////////////////////////////////////////////
2326 // DelegatedFrameHost, public:
2327
2328 ui::Compositor* RenderWidgetHostViewAura::GetCompositor() const {
2329   aura::WindowTreeHost* host = window_->GetHost();
2330   return host ? host->compositor() : NULL;
2331 }
2332
2333 ui::Layer* RenderWidgetHostViewAura::GetLayer() {
2334   return window_->layer();
2335 }
2336
2337 RenderWidgetHostImpl* RenderWidgetHostViewAura::GetHost() {
2338   return host_;
2339 }
2340
2341 void RenderWidgetHostViewAura::SchedulePaintInRect(
2342     const gfx::Rect& damage_rect_in_dip) {
2343   window_->SchedulePaintInRect(damage_rect_in_dip);
2344 }
2345
2346 bool RenderWidgetHostViewAura::IsVisible() {
2347   return IsShowing();
2348 }
2349
2350 gfx::Size RenderWidgetHostViewAura::DesiredFrameSize() {
2351   return window_->bounds().size();
2352 }
2353
2354 float RenderWidgetHostViewAura::CurrentDeviceScaleFactor() {
2355   return current_device_scale_factor_;
2356 }
2357
2358 gfx::Size RenderWidgetHostViewAura::ConvertViewSizeToPixel(
2359     const gfx::Size& size) {
2360   return content::ConvertViewSizeToPixel(this, size);
2361 }
2362
2363 scoped_ptr<ResizeLock> RenderWidgetHostViewAura::CreateResizeLock(
2364     bool defer_compositor_lock) {
2365   gfx::Size desired_size = window_->bounds().size();
2366   return scoped_ptr<ResizeLock>(new CompositorResizeLock(
2367       window_->GetHost(),
2368       desired_size,
2369       defer_compositor_lock,
2370       base::TimeDelta::FromMilliseconds(kResizeLockTimeoutMs)));
2371   ResizeLock* lock = NULL;
2372   return scoped_ptr<ResizeLock>(lock);
2373 }
2374
2375 DelegatedFrameHost* RenderWidgetHostViewAura::GetDelegatedFrameHost() const {
2376   return delegated_frame_host_.get();
2377 }
2378
2379 ////////////////////////////////////////////////////////////////////////////////
2380 // RenderWidgetHostViewBase, public:
2381
2382 // static
2383 void RenderWidgetHostViewBase::GetDefaultScreenInfo(WebScreenInfo* results) {
2384   GetScreenInfoForWindow(results, NULL);
2385 }
2386
2387 }  // namespace content