content/browser/renderer_host/render_widget_host_view_aura.h

   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 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_
   6 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_
   7
   8 #include <map>
   9 #include <set>
  10 #include <string>
  11 #include <vector>
  12
  13 #include "base/callback.h"
  14 #include "base/gtest_prod_util.h"
  15 #include "base/memory/linked_ptr.h"
  16 #include "base/memory/ref_counted.h"
  17 #include "base/memory/scoped_ptr.h"
  18 #include "base/memory/weak_ptr.h"
  19 #include "content/browser/accessibility/browser_accessibility_manager.h"
  20 #include "content/browser/compositor/delegated_frame_host.h"
  21 #include "content/browser/compositor/image_transport_factory.h"
  22 #include "content/browser/compositor/owned_mailbox.h"
  23 #include "content/browser/renderer_host/render_widget_host_view_base.h"
  24 #include "content/common/content_export.h"
  25 #include "content/common/cursors/webcursor.h"
  26 #include "third_party/skia/include/core/SkRegion.h"
  27 #include "ui/aura/client/cursor_client_observer.h"
  28 #include "ui/aura/client/focus_change_observer.h"
  29 #include "ui/aura/window_delegate.h"
  30 #include "ui/aura/window_tree_host_observer.h"
  31 #include "ui/base/ime/text_input_client.h"
  32 #include "ui/gfx/display_observer.h"
  33 #include "ui/gfx/insets.h"
  34 #include "ui/gfx/rect.h"
  35 #include "ui/wm/public/activation_change_observer.h"
  36 #include "ui/wm/public/activation_delegate.h"
  37
  38 struct ViewHostMsg_TextInputState_Params;
  39
  40 namespace aura {
  41 class WindowTracker;
  42 namespace client {
  43 class ScopedTooltipDisabler;
  44 }
  45 }
  46
  47 namespace cc {
  48 class CopyOutputRequest;
  49 class CopyOutputResult;
  50 class DelegatedFrameData;
  51 }
  52
  53 namespace gfx {
  54 class Canvas;
  55 class Display;
  56 }
  57
  58 namespace gpu {
  59 struct Mailbox;
  60 }
  61
  62 namespace ui {
  63 class CompositorLock;
  64 class InputMethod;
  65 class LocatedEvent;
  66 class Texture;
  67 }
  68
  69 namespace content {
  70 #if defined(OS_WIN)
  71 class LegacyRenderWidgetHostHWND;
  72 #endif
  73
  74 class OverscrollController;
  75 class RenderFrameHostImpl;
  76 class RenderWidgetHostImpl;
  77 class RenderWidgetHostView;
  78
  79 // RenderWidgetHostView class hierarchy described in render_widget_host_view.h.
  80 class CONTENT_EXPORT RenderWidgetHostViewAura
  81     : public RenderWidgetHostViewBase,
  82       public DelegatedFrameHostClient,
  83       public ui::TextInputClient,
  84       public gfx::DisplayObserver,
  85       public aura::WindowTreeHostObserver,
  86       public aura::WindowDelegate,
  87       public aura::client::ActivationDelegate,
  88       public aura::client::ActivationChangeObserver,
  89       public aura::client::FocusChangeObserver,
  90       public aura::client::CursorClientObserver,
  91       public base::SupportsWeakPtr<RenderWidgetHostViewAura> {
  92  public:
  93   // Displays and controls touch editing elements such as selection handles.
  94   class TouchEditingClient {
  95    public:
  96     TouchEditingClient() {}
  97
  98     // Tells the client to start showing touch editing handles.
  99     virtual void StartTouchEditing() = 0;
 100
 101     // Notifies the client that touch editing is no longer needed. |quick|
 102     // determines whether the handles should fade out quickly or slowly.
 103     virtual void EndTouchEditing(bool quick) = 0;
 104
 105     // Notifies the client that the selection bounds need to be updated.
 106     virtual void OnSelectionOrCursorChanged(const gfx::Rect& anchor,
 107                                             const gfx::Rect& focus) = 0;
 108
 109     // Notifies the client that the current text input type as changed.
 110     virtual void OnTextInputTypeChanged(ui::TextInputType type) = 0;
 111
 112     // Notifies the client that an input event is about to be sent to the
 113     // renderer. Returns true if the client wants to stop event propagation.
 114     virtual bool HandleInputEvent(const ui::Event* event) = 0;
 115
 116     // Notifies the client that a gesture event ack was received.
 117     virtual void GestureEventAck(int gesture_event_type) = 0;
 118
 119     // This is called when the view is destroyed, so that the client can
 120     // perform any necessary clean-up.
 121     virtual void OnViewDestroyed() = 0;
 122
 123    protected:
 124     virtual ~TouchEditingClient() {}
 125   };
 126
 127   void set_touch_editing_client(TouchEditingClient* client) {
 128     touch_editing_client_ = client;
 129   }
 130
 131   explicit RenderWidgetHostViewAura(RenderWidgetHost* host);
 132
 133   // RenderWidgetHostView implementation.
 134   virtual void InitAsChild(gfx::NativeView parent_view) OVERRIDE;
 135   virtual RenderWidgetHost* GetRenderWidgetHost() const OVERRIDE;
 136   virtual void SetSize(const gfx::Size& size) OVERRIDE;
 137   virtual void SetBounds(const gfx::Rect& rect) OVERRIDE;
 138   virtual gfx::NativeView GetNativeView() const OVERRIDE;
 139   virtual gfx::NativeViewId GetNativeViewId() const OVERRIDE;
 140   virtual gfx::NativeViewAccessible GetNativeViewAccessible() OVERRIDE;
 141   virtual ui::TextInputClient* GetTextInputClient() OVERRIDE;
 142   virtual bool HasFocus() const OVERRIDE;
 143   virtual bool IsSurfaceAvailableForCopy() const OVERRIDE;
 144   virtual void Show() OVERRIDE;
 145   virtual void Hide() OVERRIDE;
 146   virtual bool IsShowing() OVERRIDE;
 147   virtual gfx::Rect GetViewBounds() const OVERRIDE;
 148   virtual void SetBackgroundOpaque(bool opaque) OVERRIDE;
 149   virtual gfx::Size GetVisibleViewportSize() const OVERRIDE;
 150   virtual void SetInsets(const gfx::Insets& insets) OVERRIDE;
 151
 152   // Overridden from RenderWidgetHostViewBase:
 153   virtual void InitAsPopup(RenderWidgetHostView* parent_host_view,
 154                            const gfx::Rect& pos) OVERRIDE;
 155   virtual void InitAsFullscreen(
 156       RenderWidgetHostView* reference_host_view) OVERRIDE;
 157   virtual void WasShown() OVERRIDE;
 158   virtual void WasHidden() OVERRIDE;
 159   virtual void MovePluginWindows(
 160       const std::vector<WebPluginGeometry>& moves) OVERRIDE;
 161   virtual void Focus() OVERRIDE;
 162   virtual void Blur() OVERRIDE;
 163   virtual void UpdateCursor(const WebCursor& cursor) OVERRIDE;
 164   virtual void SetIsLoading(bool is_loading) OVERRIDE;
 165   virtual void TextInputStateChanged(
 166       const ViewHostMsg_TextInputState_Params& params) OVERRIDE;
 167   virtual void ImeCancelComposition() OVERRIDE;
 168   virtual void ImeCompositionRangeChanged(
 169       const gfx::Range& range,
 170       const std::vector<gfx::Rect>& character_bounds) OVERRIDE;
 171   virtual void RenderProcessGone(base::TerminationStatus status,
 172                                  int error_code) OVERRIDE;
 173   virtual void Destroy() OVERRIDE;
 174   virtual void SetTooltipText(const base::string16& tooltip_text) OVERRIDE;
 175   virtual void SelectionChanged(const base::string16& text,
 176                                 size_t offset,
 177                                 const gfx::Range& range) OVERRIDE;
 178   virtual gfx::Size GetRequestedRendererSize() const OVERRIDE;
 179   virtual void SelectionBoundsChanged(
 180       const ViewHostMsg_SelectionBounds_Params& params) OVERRIDE;
 181   virtual void CopyFromCompositingSurface(
 182       const gfx::Rect& src_subrect,
 183       const gfx::Size& dst_size,
 184       const base::Callback<void(bool, const SkBitmap&)>& callback,
 185       const SkColorType color_type) OVERRIDE;
 186   virtual void CopyFromCompositingSurfaceToVideoFrame(
 187       const gfx::Rect& src_subrect,
 188       const scoped_refptr<media::VideoFrame>& target,
 189       const base::Callback<void(bool)>& callback) OVERRIDE;
 190   virtual bool CanCopyToVideoFrame() const OVERRIDE;
 191   virtual bool CanSubscribeFrame() const OVERRIDE;
 192   virtual void BeginFrameSubscription(
 193       scoped_ptr<RenderWidgetHostViewFrameSubscriber> subscriber) OVERRIDE;
 194   virtual void EndFrameSubscription() OVERRIDE;
 195   virtual void AcceleratedSurfaceInitialized(int host_id,
 196                                              int route_id) OVERRIDE;
 197   virtual void AcceleratedSurfaceBuffersSwapped(
 198       const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params_in_pixel,
 199       int gpu_host_id) OVERRIDE;
 200   virtual void AcceleratedSurfacePostSubBuffer(
 201       const GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params& params_in_pixel,
 202       int gpu_host_id) OVERRIDE;
 203   virtual void AcceleratedSurfaceSuspend() OVERRIDE;
 204   virtual void AcceleratedSurfaceRelease() OVERRIDE;
 205   virtual bool HasAcceleratedSurface(const gfx::Size& desired_size) OVERRIDE;
 206   virtual void GetScreenInfo(blink::WebScreenInfo* results) OVERRIDE;
 207   virtual gfx::Rect GetBoundsInRootWindow() OVERRIDE;
 208   virtual void WheelEventAck(const blink::WebMouseWheelEvent& event,
 209                              InputEventAckState ack_result) OVERRIDE;
 210   virtual void GestureEventAck(const blink::WebGestureEvent& event,
 211                                InputEventAckState ack_result) OVERRIDE;
 212   virtual void ProcessAckedTouchEvent(
 213       const TouchEventWithLatencyInfo& touch,
 214       InputEventAckState ack_result) OVERRIDE;
 215   virtual scoped_ptr<SyntheticGestureTarget> CreateSyntheticGestureTarget()
 216       OVERRIDE;
 217   virtual InputEventAckState FilterInputEvent(
 218       const blink::WebInputEvent& input_event) OVERRIDE;
 219   virtual gfx::GLSurfaceHandle GetCompositingSurface() OVERRIDE;
 220   virtual BrowserAccessibilityManager* CreateBrowserAccessibilityManager(
 221       BrowserAccessibilityDelegate* delegate) OVERRIDE;
 222   virtual gfx::AcceleratedWidget AccessibilityGetAcceleratedWidget() OVERRIDE;
 223   virtual gfx::NativeViewAccessible AccessibilityGetNativeViewAccessible()
 224       OVERRIDE;
 225   virtual bool LockMouse() OVERRIDE;
 226   virtual void UnlockMouse() OVERRIDE;
 227   virtual void OnSwapCompositorFrame(
 228       uint32 output_surface_id,
 229       scoped_ptr<cc::CompositorFrame> frame) OVERRIDE;
 230
 231 #if defined(OS_WIN)
 232   virtual void SetParentNativeViewAccessible(
 233       gfx::NativeViewAccessible accessible_parent) OVERRIDE;
 234   virtual gfx::NativeViewId GetParentForWindowlessPlugin() const OVERRIDE;
 235 #endif
 236
 237   // Overridden from ui::TextInputClient:
 238   virtual void SetCompositionText(
 239       const ui::CompositionText& composition) OVERRIDE;
 240   virtual void ConfirmCompositionText() OVERRIDE;
 241   virtual void ClearCompositionText() OVERRIDE;
 242   virtual void InsertText(const base::string16& text) OVERRIDE;
 243   virtual void InsertChar(base::char16 ch, int flags) OVERRIDE;
 244   virtual gfx::NativeWindow GetAttachedWindow() const OVERRIDE;
 245   virtual ui::TextInputType GetTextInputType() const OVERRIDE;
 246   virtual ui::TextInputMode GetTextInputMode() const OVERRIDE;
 247   virtual bool CanComposeInline() const OVERRIDE;
 248   virtual gfx::Rect GetCaretBounds() const OVERRIDE;
 249   virtual bool GetCompositionCharacterBounds(uint32 index,
 250                                              gfx::Rect* rect) const OVERRIDE;
 251   virtual bool HasCompositionText() const OVERRIDE;
 252   virtual bool GetTextRange(gfx::Range* range) const OVERRIDE;
 253   virtual bool GetCompositionTextRange(gfx::Range* range) const OVERRIDE;
 254   virtual bool GetSelectionRange(gfx::Range* range) const OVERRIDE;
 255   virtual bool SetSelectionRange(const gfx::Range& range) OVERRIDE;
 256   virtual bool DeleteRange(const gfx::Range& range) OVERRIDE;
 257   virtual bool GetTextFromRange(const gfx::Range& range,
 258                                 base::string16* text) const OVERRIDE;
 259   virtual void OnInputMethodChanged() OVERRIDE;
 260   virtual bool ChangeTextDirectionAndLayoutAlignment(
 261       base::i18n::TextDirection direction) OVERRIDE;
 262   virtual void ExtendSelectionAndDelete(size_t before, size_t after) OVERRIDE;
 263   virtual void EnsureCaretInRect(const gfx::Rect& rect) OVERRIDE;
 264   virtual void OnCandidateWindowShown() OVERRIDE;
 265   virtual void OnCandidateWindowUpdated() OVERRIDE;
 266   virtual void OnCandidateWindowHidden() OVERRIDE;
 267   virtual bool IsEditingCommandEnabled(int command_id) OVERRIDE;
 268   virtual void ExecuteEditingCommand(int command_id) OVERRIDE;
 269
 270   // Overridden from gfx::DisplayObserver:
 271   virtual void OnDisplayAdded(const gfx::Display& new_display) OVERRIDE;
 272   virtual void OnDisplayRemoved(const gfx::Display& old_display) OVERRIDE;
 273   virtual void OnDisplayMetricsChanged(const gfx::Display& display,
 274                                        uint32_t metrics) OVERRIDE;
 275
 276   // Overridden from aura::WindowDelegate:
 277   virtual gfx::Size GetMinimumSize() const OVERRIDE;
 278   virtual gfx::Size GetMaximumSize() const OVERRIDE;
 279   virtual void OnBoundsChanged(const gfx::Rect& old_bounds,
 280                                const gfx::Rect& new_bounds) OVERRIDE;
 281   virtual gfx::NativeCursor GetCursor(const gfx::Point& point) OVERRIDE;
 282   virtual int GetNonClientComponent(const gfx::Point& point) const OVERRIDE;
 283   virtual bool ShouldDescendIntoChildForEventHandling(
 284       aura::Window* child,
 285       const gfx::Point& location) OVERRIDE;
 286   virtual bool CanFocus() OVERRIDE;
 287   virtual void OnCaptureLost() OVERRIDE;
 288   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
 289   virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE;
 290   virtual void OnWindowDestroying(aura::Window* window) OVERRIDE;
 291   virtual void OnWindowDestroyed(aura::Window* window) OVERRIDE;
 292   virtual void OnWindowTargetVisibilityChanged(bool visible) OVERRIDE;
 293   virtual bool HasHitTestMask() const OVERRIDE;
 294   virtual void GetHitTestMask(gfx::Path* mask) const OVERRIDE;
 295
 296   // Overridden from ui::EventHandler:
 297   virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE;
 298   virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE;
 299   virtual void OnScrollEvent(ui::ScrollEvent* event) OVERRIDE;
 300   virtual void OnTouchEvent(ui::TouchEvent* event) OVERRIDE;
 301   virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
 302
 303   // Overridden from aura::client::ActivationDelegate:
 304   virtual bool ShouldActivate() const OVERRIDE;
 305
 306   // Overridden from aura::client::ActivationChangeObserver:
 307   virtual void OnWindowActivated(aura::Window* gained_activation,
 308                                  aura::Window* lost_activation) OVERRIDE;
 309
 310   // Overridden from aura::client::CursorClientObserver:
 311   virtual void OnCursorVisibilityChanged(bool is_visible) OVERRIDE;
 312
 313   // Overridden from aura::client::FocusChangeObserver:
 314   virtual void OnWindowFocused(aura::Window* gained_focus,
 315                                aura::Window* lost_focus) OVERRIDE;
 316
 317   // Overridden from aura::WindowTreeHostObserver:
 318   virtual void OnHostMoved(const aura::WindowTreeHost* host,
 319                            const gfx::Point& new_origin) OVERRIDE;
 320
 321 #if defined(OS_WIN)
 322   // Sets the cutout rects from constrained windows. These are rectangles that
 323   // windowed NPAPI plugins shouldn't paint in. Overwrites any previous cutout
 324   // rects.
 325   void UpdateConstrainedWindowRects(const std::vector<gfx::Rect>& rects);
 326
 327   // Updates the cursor clip region. Used for mouse locking.
 328   void UpdateMouseLockRegion();
 329
 330   // Notification that the LegacyRenderWidgetHostHWND was destroyed.
 331   void OnLegacyWindowDestroyed();
 332 #endif
 333
 334   // Method to indicate if this instance is shutting down or closing.
 335   // TODO(shrikant): Discuss around to see if it makes sense to add this method
 336   // as part of RenderWidgetHostView.
 337   bool IsClosing() const { return in_shutdown_; }
 338
 339   // Sets whether the overscroll controller should be enabled for this page.
 340   void SetOverscrollControllerEnabled(bool enabled);
 341
 342   void SnapToPhysicalPixelBoundary();
 343
 344   OverscrollController* overscroll_controller() const {
 345     return overscroll_controller_.get();
 346   }
 347
 348  protected:
 349   virtual ~RenderWidgetHostViewAura();
 350
 351   // Exposed for tests.
 352   aura::Window* window() { return window_; }
 353   virtual SkColorType PreferredReadbackFormat() OVERRIDE;
 354   virtual DelegatedFrameHost* GetDelegatedFrameHost() const OVERRIDE;
 355
 356  private:
 357   FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest, SetCompositionText);
 358   FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest, TouchEventState);
 359   FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest,
 360                            TouchEventPositionsArentRounded);
 361   FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest, TouchEventSyncAsync);
 362   FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest, SwapNotifiesWindow);
 363   FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest,
 364                            SkippedDelegatedFrames);
 365   FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest, OutputSurfaceIdChange);
 366   FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest,
 367                            DiscardDelegatedFrames);
 368   FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest,
 369                            DiscardDelegatedFramesWithLocking);
 370   FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest, SoftwareDPIChange);
 371   FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest,
 372                            UpdateCursorIfOverSelf);
 373   FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraCopyRequestTest,
 374                            DestroyedAfterCopyRequest);
 375   FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest,
 376                            VisibleViewportTest);
 377   FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest,
 378                            OverscrollResetsOnBlur);
 379   FRIEND_TEST_ALL_PREFIXES(WebContentsViewAuraTest,
 380                            WebContentsViewReparent);
 381
 382   class WindowObserver;
 383   friend class WindowObserver;
 384
 385   void UpdateCursorIfOverSelf();
 386
 387   // Tracks whether SnapToPhysicalPixelBoundary() has been called.
 388   bool has_snapped_to_boundary() { return has_snapped_to_boundary_; }
 389   void ResetHasSnappedToBoundary() { has_snapped_to_boundary_ = false; }
 390
 391   // Set the bounds of the window and handle size changes.  Assumes the caller
 392   // has already adjusted the origin of |rect| to conform to whatever coordinate
 393   // space is required by the aura::Window.
 394   void InternalSetBounds(const gfx::Rect& rect);
 395
 396 #if defined(OS_WIN)
 397   bool UsesNativeWindowFrame() const;
 398 #endif
 399
 400   ui::InputMethod* GetInputMethod() const;
 401
 402   // Returns whether the widget needs an input grab to work properly.
 403   bool NeedsInputGrab();
 404
 405   // Confirm existing composition text in the webpage and ask the input method
 406   // to cancel its ongoing composition session.
 407   void FinishImeCompositionSession();
 408
 409   // This method computes movementX/Y and keeps track of mouse location for
 410   // mouse lock on all mouse move events.
 411   void ModifyEventMovementAndCoords(blink::WebMouseEvent* event);
 412
 413   // Sends an IPC to the renderer process to communicate whether or not
 414   // the mouse cursor is visible anywhere on the screen.
 415   void NotifyRendererOfCursorVisibilityState(bool is_visible);
 416
 417   // If |clip| is non-empty and and doesn't contain |rect| or |clip| is empty
 418   // SchedulePaint() is invoked for |rect|.
 419   void SchedulePaintIfNotInClip(const gfx::Rect& rect, const gfx::Rect& clip);
 420
 421   // Helper method to determine if, in mouse locked mode, the cursor should be
 422   // moved to center.
 423   bool ShouldMoveToCenter();
 424
 425   // Called after |window_| is parented to a WindowEventDispatcher.
 426   void AddedToRootWindow();
 427
 428   // Called prior to removing |window_| from a WindowEventDispatcher.
 429   void RemovingFromRootWindow();
 430
 431   // DelegatedFrameHostClient implementation.
 432   virtual ui::Compositor* GetCompositor() const OVERRIDE;
 433   virtual ui::Layer* GetLayer() OVERRIDE;
 434   virtual RenderWidgetHostImpl* GetHost() OVERRIDE;
 435   virtual bool IsVisible() OVERRIDE;
 436   virtual scoped_ptr<ResizeLock> CreateResizeLock(
 437       bool defer_compositor_lock) OVERRIDE;
 438   virtual gfx::Size DesiredFrameSize() OVERRIDE;
 439   virtual float CurrentDeviceScaleFactor() OVERRIDE;
 440   virtual gfx::Size ConvertViewSizeToPixel(const gfx::Size& size) OVERRIDE;
 441
 442   // Detaches |this| from the input method object.
 443   void DetachFromInputMethod();
 444
 445   // Before calling RenderWidgetHost::ForwardKeyboardEvent(), this method
 446   // calls our keybindings handler against the event and send matched
 447   // edit commands to renderer instead.
 448   void ForwardKeyboardEvent(const NativeWebKeyboardEvent& event);
 449
 450   // Dismisses a Web Popup on a mouse or touch press outside the popup and its
 451   // parent.
 452   void ApplyEventFilterForPopupExit(ui::LocatedEvent* event);
 453
 454   // Converts |rect| from window coordinate to screen coordinate.
 455   gfx::Rect ConvertRectToScreen(const gfx::Rect& rect) const;
 456
 457   // Converts |rect| from screen coordinate to window coordinate.
 458   gfx::Rect ConvertRectFromScreen(const gfx::Rect& rect) const;
 459
 460   // Helper function to set keyboard focus to the main window.
 461   void SetKeyboardFocus();
 462
 463   RenderFrameHostImpl* GetFocusedFrame();
 464
 465   // The model object.
 466   RenderWidgetHostImpl* host_;
 467
 468   aura::Window* window_;
 469
 470   scoped_ptr<DelegatedFrameHost> delegated_frame_host_;
 471
 472   scoped_ptr<WindowObserver> window_observer_;
 473
 474   // Are we in the process of closing?  Tracked so fullscreen views can avoid
 475   // sending a second shutdown request to the host when they lose the focus
 476   // after requesting shutdown for another reason (e.g. Escape key).
 477   bool in_shutdown_;
 478
 479   // True if in the process of handling a window bounds changed notification.
 480   bool in_bounds_changed_;
 481
 482   // Is this a fullscreen view?
 483   bool is_fullscreen_;
 484
 485   // Our parent host view, if this is a popup.  NULL otherwise.
 486   RenderWidgetHostViewAura* popup_parent_host_view_;
 487
 488   // Our child popup host. NULL if we do not have a child popup.
 489   RenderWidgetHostViewAura* popup_child_host_view_;
 490
 491   class EventFilterForPopupExit;
 492   friend class EventFilterForPopupExit;
 493   scoped_ptr<ui::EventHandler> event_filter_for_popup_exit_;
 494
 495   // True when content is being loaded. Used to show an hourglass cursor.
 496   bool is_loading_;
 497
 498   // The cursor for the page. This is passed up from the renderer.
 499   WebCursor current_cursor_;
 500
 501   // The touch-event. Its touch-points are updated as necessary. A new
 502   // touch-point is added from an ET_TOUCH_PRESSED event, and a touch-point is
 503   // removed from the list on an ET_TOUCH_RELEASED event.
 504   blink::WebTouchEvent touch_event_;
 505
 506   // The current text input type.
 507   ui::TextInputType text_input_type_;
 508   // The current text input mode corresponding to HTML5 inputmode attribute.
 509   ui::TextInputMode text_input_mode_;
 510   bool can_compose_inline_;
 511
 512   // Rectangles for the selection anchor and focus.
 513   gfx::Rect selection_anchor_rect_;
 514   gfx::Rect selection_focus_rect_;
 515
 516   // The current composition character bounds.
 517   std::vector<gfx::Rect> composition_character_bounds_;
 518
 519   // Indicates if there is onging composition text.
 520   bool has_composition_text_;
 521
 522   // Whether return characters should be passed on to the RenderWidgetHostImpl.
 523   bool accept_return_character_;
 524
 525   // Current tooltip text.
 526   base::string16 tooltip_;
 527
 528   // The size and scale of the last software compositing frame that was swapped.
 529   gfx::Size last_swapped_software_frame_size_;
 530   float last_swapped_software_frame_scale_factor_;
 531
 532   // If non-NULL we're in OnPaint() and this is the supplied canvas.
 533   gfx::Canvas* paint_canvas_;
 534
 535   // Used to record the last position of the mouse.
 536   // While the mouse is locked, they store the last known position just as mouse
 537   // lock was entered.
 538   // Relative to the upper-left corner of the view.
 539   gfx::Point unlocked_mouse_position_;
 540   // Relative to the upper-left corner of the screen.
 541   gfx::Point unlocked_global_mouse_position_;
 542   // Last cursor position relative to screen. Used to compute movementX/Y.
 543   gfx::Point global_mouse_position_;
 544   // In mouse locked mode, we syntheticaly move the mouse cursor to the center
 545   // of the window when it reaches the window borders to avoid it going outside.
 546   // This flag is used to differentiate between these synthetic mouse move
 547   // events vs. normal mouse move events.
 548   bool synthetic_move_sent_;
 549
 550   // Used to track the state of the window we're created from. Only used when
 551   // created fullscreen.
 552   scoped_ptr<aura::WindowTracker> host_tracker_;
 553
 554   // Used to track the last cursor visibility update that was sent to the
 555   // renderer via NotifyRendererOfCursorVisibilityState().
 556   enum CursorVisibilityState {
 557     UNKNOWN,
 558     VISIBLE,
 559     NOT_VISIBLE,
 560   };
 561   CursorVisibilityState cursor_visibility_state_in_renderer_;
 562
 563 #if defined(OS_WIN)
 564   // The list of rectangles from constrained windows over this view. Windowed
 565   // NPAPI plugins shouldn't draw over them.
 566   std::vector<gfx::Rect> constrained_rects_;
 567
 568   typedef std::map<HWND, WebPluginGeometry> PluginWindowMoves;
 569   // Contains information about each windowed plugin's clip and cutout rects (
 570   // from the renderer). This is needed because when the transient windoiws
 571   // over this view changes, we need this information in order to create a new
 572   // region for the HWND.
 573   PluginWindowMoves plugin_window_moves_;
 574
 575   // The LegacyRenderWidgetHostHWND class provides a dummy HWND which is used
 576   // for accessibility, as the container for windowless plugins like
 577   // Flash/Silverlight, etc and for legacy drivers for trackpoints/trackpads,
 578   // etc.
 579   // The LegacyRenderWidgetHostHWND instance is created during the first call
 580   // to RenderWidgetHostViewAura::InternalSetBounds. The instance is destroyed
 581   // when the LegacyRenderWidgetHostHWND hwnd is destroyed.
 582   content::LegacyRenderWidgetHostHWND* legacy_render_widget_host_HWND_;
 583
 584   // Set to true if the legacy_render_widget_host_HWND_ instance was destroyed
 585   // by Windows. This could happen if the browser window was destroyed by
 586   // DestroyWindow for e.g. This flag helps ensure that we don't try to create
 587   // the LegacyRenderWidgetHostHWND instance again as that would be a futile
 588   // exercise.
 589   bool legacy_window_destroyed_;
 590 #endif
 591
 592   bool has_snapped_to_boundary_;
 593
 594   TouchEditingClient* touch_editing_client_;
 595
 596   scoped_ptr<OverscrollController> overscroll_controller_;
 597
 598   gfx::Insets insets_;
 599
 600   std::vector<ui::LatencyInfo> software_latency_info_;
 601
 602   scoped_ptr<aura::client::ScopedTooltipDisabler> tooltip_disabler_;
 603
 604   base::WeakPtrFactory<RenderWidgetHostViewAura> weak_ptr_factory_;
 605
 606   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAura);
 607 };
 608
 609 }  // namespace content
 610
 611 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_