| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_ |
| #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_ |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include <map> |
| #include <memory> |
| #include <set> |
| #include <string> |
| #include <vector> |
| |
| #include "base/callback.h" |
| #include "base/gtest_prod_util.h" |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/weak_ptr.h" |
| #include "build/build_config.h" |
| #include "cc/scheduler/begin_frame_source.h" |
| #include "content/browser/accessibility/browser_accessibility_manager.h" |
| #include "content/browser/compositor/image_transport_factory.h" |
| #include "content/browser/compositor/owned_mailbox.h" |
| #include "content/browser/renderer_host/delegated_frame_host.h" |
| #include "content/browser/renderer_host/render_widget_host_view_base.h" |
| #include "content/browser/renderer_host/text_input_manager.h" |
| #include "content/common/content_export.h" |
| #include "content/common/cursors/webcursor.h" |
| #include "content/public/common/context_menu_params.h" |
| #include "third_party/skia/include/core/SkRegion.h" |
| #include "ui/aura/client/cursor_client_observer.h" |
| #include "ui/aura/client/focus_change_observer.h" |
| #include "ui/aura/window_delegate.h" |
| #include "ui/aura/window_tracker.h" |
| #include "ui/aura/window_tree_host_observer.h" |
| #include "ui/base/ime/text_input_client.h" |
| #include "ui/display/display_observer.h" |
| #include "ui/events/gestures/motion_event_aura.h" |
| #include "ui/gfx/geometry/insets.h" |
| #include "ui/gfx/geometry/rect.h" |
| #include "ui/gfx/selection_bound.h" |
| #include "ui/wm/public/activation_delegate.h" |
| |
| namespace aura { |
| namespace client { |
| class ScopedTooltipDisabler; |
| } |
| } |
| |
| namespace cc { |
| class CopyOutputRequest; |
| class CopyOutputResult; |
| class DelegatedFrameData; |
| } |
| |
| namespace gfx { |
| class Canvas; |
| class Display; |
| class Point; |
| class Rect; |
| } |
| |
| namespace gpu { |
| struct Mailbox; |
| } |
| |
| namespace ui { |
| class CompositorLock; |
| class InputMethod; |
| class LocatedEvent; |
| #if defined(OS_WIN) |
| class OnScreenKeyboardObserver; |
| #endif |
| class Texture; |
| class TouchSelectionController; |
| } |
| |
| namespace content { |
| #if defined(OS_WIN) |
| class LegacyRenderWidgetHostHWND; |
| #endif |
| |
| class OverscrollController; |
| class RenderFrameHostImpl; |
| class RenderViewHostDelegateView; |
| class RenderWidgetHostImpl; |
| class RenderWidgetHostView; |
| class TouchSelectionControllerClientAura; |
| struct TextInputState; |
| |
| // RenderWidgetHostView class hierarchy described in render_widget_host_view.h. |
| class CONTENT_EXPORT RenderWidgetHostViewAura |
| : public RenderWidgetHostViewBase, |
| public DelegatedFrameHostClient, |
| public TextInputManager::Observer, |
| public ui::TextInputClient, |
| public display::DisplayObserver, |
| public aura::WindowTreeHostObserver, |
| public aura::WindowDelegate, |
| public aura::client::ActivationDelegate, |
| public aura::client::FocusChangeObserver, |
| public aura::client::CursorClientObserver, |
| public cc::BeginFrameObserver { |
| public: |
| // When |is_guest_view_hack| is true, this view isn't really the view for |
| // the |widget|, a RenderWidgetHostViewGuest is. |
| // |
| // TODO(lazyboy): Remove |is_guest_view_hack| once BrowserPlugin has migrated |
| // to use RWHVChildFrame (http://crbug.com/330264). |
| RenderWidgetHostViewAura(RenderWidgetHost* host, bool is_guest_view_hack); |
| |
| // RenderWidgetHostView implementation. |
| void InitAsChild(gfx::NativeView parent_view) override; |
| RenderWidgetHost* GetRenderWidgetHost() const override; |
| void SetSize(const gfx::Size& size) override; |
| void SetBounds(const gfx::Rect& rect) override; |
| gfx::Vector2dF GetLastScrollOffset() const override; |
| gfx::NativeView GetNativeView() const override; |
| gfx::NativeViewAccessible GetNativeViewAccessible() override; |
| ui::TextInputClient* GetTextInputClient() override; |
| bool HasFocus() const override; |
| bool IsSurfaceAvailableForCopy() const override; |
| void Show() override; |
| void Hide() override; |
| bool IsShowing() override; |
| gfx::Rect GetViewBounds() const override; |
| void SetBackgroundColor(SkColor color) override; |
| gfx::Size GetVisibleViewportSize() const override; |
| void SetInsets(const gfx::Insets& insets) override; |
| void FocusedNodeTouched(const gfx::Point& location_dips_screen, |
| bool editable) override; |
| void SetNeedsBeginFrames(bool needs_begin_frames) override; |
| |
| // Overridden from RenderWidgetHostViewBase: |
| void InitAsPopup(RenderWidgetHostView* parent_host_view, |
| const gfx::Rect& pos) override; |
| void InitAsFullscreen(RenderWidgetHostView* reference_host_view) override; |
| void Focus() override; |
| void UpdateCursor(const WebCursor& cursor) override; |
| void SetIsLoading(bool is_loading) override; |
| void RenderProcessGone(base::TerminationStatus status, |
| int error_code) override; |
| void Destroy() override; |
| void SetTooltipText(const base::string16& tooltip_text) override; |
| gfx::Size GetRequestedRendererSize() const override; |
| void CopyFromCompositingSurface( |
| const gfx::Rect& src_subrect, |
| const gfx::Size& dst_size, |
| const ReadbackRequestCallback& callback, |
| const SkColorType preferred_color_type) override; |
| void CopyFromCompositingSurfaceToVideoFrame( |
| const gfx::Rect& src_subrect, |
| const scoped_refptr<media::VideoFrame>& target, |
| const base::Callback<void(const gfx::Rect&, bool)>& callback) override; |
| bool CanCopyToVideoFrame() const override; |
| void BeginFrameSubscription( |
| std::unique_ptr<RenderWidgetHostViewFrameSubscriber> subscriber) override; |
| void EndFrameSubscription() override; |
| bool HasAcceleratedSurface(const gfx::Size& desired_size) override; |
| gfx::Rect GetBoundsInRootWindow() override; |
| void OnSetNeedsFlushInput() override; |
| void WheelEventAck(const blink::WebMouseWheelEvent& event, |
| InputEventAckState ack_result) override; |
| void GestureEventAck(const blink::WebGestureEvent& event, |
| InputEventAckState ack_result) override; |
| void ProcessAckedTouchEvent(const TouchEventWithLatencyInfo& touch, |
| InputEventAckState ack_result) override; |
| std::unique_ptr<SyntheticGestureTarget> CreateSyntheticGestureTarget() |
| override; |
| InputEventAckState FilterInputEvent( |
| const blink::WebInputEvent& input_event) override; |
| BrowserAccessibilityManager* CreateBrowserAccessibilityManager( |
| BrowserAccessibilityDelegate* delegate, bool for_root_frame) override; |
| gfx::AcceleratedWidget AccessibilityGetAcceleratedWidget() override; |
| gfx::NativeViewAccessible AccessibilityGetNativeViewAccessible() override; |
| bool LockMouse() override; |
| void UnlockMouse() override; |
| void OnSwapCompositorFrame(uint32_t compositor_frame_sink_id, |
| cc::CompositorFrame frame) override; |
| void ClearCompositorFrame() override; |
| void DidStopFlinging() override; |
| void OnDidNavigateMainFrameToNewPage() override; |
| void LockCompositingSurface() override; |
| void UnlockCompositingSurface() override; |
| cc::FrameSinkId GetFrameSinkId() override; |
| cc::FrameSinkId FrameSinkIdAtPoint(cc::SurfaceHittestDelegate* delegate, |
| const gfx::Point& point, |
| gfx::Point* transformed_point) override; |
| void ProcessMouseEvent(const blink::WebMouseEvent& event, |
| const ui::LatencyInfo& latency) override; |
| void ProcessMouseWheelEvent(const blink::WebMouseWheelEvent& event, |
| const ui::LatencyInfo& latency) override; |
| void ProcessTouchEvent(const blink::WebTouchEvent& event, |
| const ui::LatencyInfo& latency) override; |
| void ProcessGestureEvent(const blink::WebGestureEvent& event, |
| const ui::LatencyInfo& latency) override; |
| bool TransformPointToLocalCoordSpace(const gfx::Point& point, |
| const cc::SurfaceId& original_surface, |
| gfx::Point* transformed_point) override; |
| bool TransformPointToCoordSpaceForView( |
| const gfx::Point& point, |
| RenderWidgetHostViewBase* target_view, |
| gfx::Point* transformed_point) override; |
| |
| void FocusedNodeChanged(bool is_editable_node, |
| const gfx::Rect& node_bounds_in_screen) override; |
| |
| // Overridden from ui::TextInputClient: |
| void SetCompositionText(const ui::CompositionText& composition) override; |
| void ConfirmCompositionText() override; |
| void ClearCompositionText() override; |
| void InsertText(const base::string16& text) override; |
| void InsertChar(const ui::KeyEvent& event) override; |
| ui::TextInputType GetTextInputType() const override; |
| ui::TextInputMode GetTextInputMode() const override; |
| base::i18n::TextDirection GetTextDirection() const override; |
| int GetTextInputFlags() const override; |
| bool CanComposeInline() const override; |
| gfx::Rect GetCaretBounds() const override; |
| bool GetCompositionCharacterBounds(uint32_t index, |
| gfx::Rect* rect) const override; |
| bool HasCompositionText() const override; |
| bool GetTextRange(gfx::Range* range) const override; |
| bool GetCompositionTextRange(gfx::Range* range) const override; |
| bool GetSelectionRange(gfx::Range* range) const override; |
| bool SetSelectionRange(const gfx::Range& range) override; |
| bool DeleteRange(const gfx::Range& range) override; |
| bool GetTextFromRange(const gfx::Range& range, |
| base::string16* text) const override; |
| void OnInputMethodChanged() override; |
| bool ChangeTextDirectionAndLayoutAlignment( |
| base::i18n::TextDirection direction) override; |
| void ExtendSelectionAndDelete(size_t before, size_t after) override; |
| void EnsureCaretInRect(const gfx::Rect& rect) override; |
| bool IsTextEditCommandEnabled(ui::TextEditCommand command) const override; |
| void SetTextEditCommandForNextKeyEvent(ui::TextEditCommand command) override; |
| |
| // Overridden from display::DisplayObserver: |
| void OnDisplayAdded(const display::Display& new_display) override; |
| void OnDisplayRemoved(const display::Display& old_display) override; |
| void OnDisplayMetricsChanged(const display::Display& display, |
| uint32_t metrics) override; |
| |
| // Overridden from aura::WindowDelegate: |
| gfx::Size GetMinimumSize() const override; |
| gfx::Size GetMaximumSize() const override; |
| void OnBoundsChanged(const gfx::Rect& old_bounds, |
| const gfx::Rect& new_bounds) override; |
| gfx::NativeCursor GetCursor(const gfx::Point& point) override; |
| int GetNonClientComponent(const gfx::Point& point) const override; |
| bool ShouldDescendIntoChildForEventHandling( |
| aura::Window* child, |
| const gfx::Point& location) override; |
| bool CanFocus() override; |
| void OnCaptureLost() override; |
| void OnPaint(const ui::PaintContext& context) override; |
| void OnDeviceScaleFactorChanged(float device_scale_factor) override; |
| void OnWindowDestroying(aura::Window* window) override; |
| void OnWindowDestroyed(aura::Window* window) override; |
| void OnWindowTargetVisibilityChanged(bool visible) override; |
| bool HasHitTestMask() const override; |
| void GetHitTestMask(gfx::Path* mask) const override; |
| |
| // Overridden from ui::EventHandler: |
| void OnKeyEvent(ui::KeyEvent* event) override; |
| void OnMouseEvent(ui::MouseEvent* event) override; |
| void OnScrollEvent(ui::ScrollEvent* event) override; |
| void OnTouchEvent(ui::TouchEvent* event) override; |
| void OnGestureEvent(ui::GestureEvent* event) override; |
| |
| // Overridden from aura::client::ActivationDelegate: |
| bool ShouldActivate() const override; |
| |
| // Overridden from aura::client::CursorClientObserver: |
| void OnCursorVisibilityChanged(bool is_visible) override; |
| |
| // Overridden from aura::client::FocusChangeObserver: |
| void OnWindowFocused(aura::Window* gained_focus, |
| aura::Window* lost_focus) override; |
| |
| // Overridden from aura::WindowTreeHostObserver: |
| void OnHostMoved(const aura::WindowTreeHost* host, |
| const gfx::Point& new_origin) override; |
| |
| #if defined(OS_WIN) |
| // Gets the HWND of the host window. |
| HWND GetHostWindowHWND() const; |
| |
| // Updates the cursor clip region. Used for mouse locking. |
| void UpdateMouseLockRegion(); |
| |
| // Notification that the LegacyRenderWidgetHostHWND was destroyed. |
| void OnLegacyWindowDestroyed(); |
| #endif |
| |
| // Method to indicate if this instance is shutting down or closing. |
| // TODO(shrikant): Discuss around to see if it makes sense to add this method |
| // as part of RenderWidgetHostView. |
| bool IsClosing() const { return in_shutdown_; } |
| |
| // Sets whether the overscroll controller should be enabled for this page. |
| void SetOverscrollControllerEnabled(bool enabled); |
| |
| void SnapToPhysicalPixelBoundary(); |
| |
| ui::TouchSelectionController* selection_controller() const { |
| return selection_controller_.get(); |
| } |
| |
| TouchSelectionControllerClientAura* selection_controller_client() const { |
| return selection_controller_client_.get(); |
| } |
| |
| OverscrollController* overscroll_controller() const { |
| return overscroll_controller_.get(); |
| } |
| |
| // Called when the context menu is about to be displayed. |
| // Returns true if the context menu should be displayed. We only return false |
| // on Windows if the context menu is being displayed in response to a long |
| // press gesture. On Windows we should be consistent like other apps and |
| // display the menu when the touch is released. |
| bool OnShowContextMenu(const ContextMenuParams& params); |
| |
| // Used in tests to set a mock client for touch selection controller. It will |
| // create a new touch selection controller for the new client. |
| void SetSelectionControllerClientForTest( |
| std::unique_ptr<TouchSelectionControllerClientAura> client); |
| |
| // Exposed for tests. |
| cc::SurfaceId SurfaceIdForTesting() const override; |
| |
| protected: |
| ~RenderWidgetHostViewAura() override; |
| |
| // Exposed for tests. |
| aura::Window* window() { return window_; } |
| |
| DelegatedFrameHost* GetDelegatedFrameHost() const { |
| return delegated_frame_host_.get(); |
| } |
| |
| const ui::MotionEventAura& pointer_state() const { return pointer_state_; } |
| |
| private: |
| friend class InputMethodAuraTestBase; |
| friend class RenderWidgetHostViewAuraCopyRequestTest; |
| friend class TestInputMethodObserver; |
| FRIEND_TEST_ALL_PREFIXES(InputMethodResultAuraTest, |
| FinishImeCompositionSession); |
| FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest, |
| PopupRetainsCaptureAfterMouseRelease); |
| FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest, SetCompositionText); |
| FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest, TouchEventState); |
| FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest, |
| TouchEventPositionsArentRounded); |
| FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest, TouchEventSyncAsync); |
| FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest, Resize); |
| FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest, SwapNotifiesWindow); |
| FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest, RecreateLayers); |
| FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest, |
| SkippedDelegatedFrames); |
| FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest, OutputSurfaceIdChange); |
| FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest, |
| DiscardDelegatedFrames); |
| FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest, |
| DiscardDelegatedFramesWithLocking); |
| FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest, SoftwareDPIChange); |
| FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest, |
| UpdateCursorIfOverSelf); |
| FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest, |
| VisibleViewportTest); |
| FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest, |
| OverscrollResetsOnBlur); |
| FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest, |
| FinishCompositionByMouse); |
| FRIEND_TEST_ALL_PREFIXES(WebContentsViewAuraTest, |
| WebContentsViewReparent); |
| |
| class WindowObserver; |
| friend class WindowObserver; |
| |
| class WindowAncestorObserver; |
| friend class WindowAncestorObserver; |
| |
| void CreateAuraWindow(); |
| |
| void UpdateCursorIfOverSelf(); |
| |
| // Tracks whether SnapToPhysicalPixelBoundary() has been called. |
| bool has_snapped_to_boundary() { return has_snapped_to_boundary_; } |
| void ResetHasSnappedToBoundary() { has_snapped_to_boundary_ = false; } |
| |
| // Set the bounds of the window and handle size changes. Assumes the caller |
| // has already adjusted the origin of |rect| to conform to whatever coordinate |
| // space is required by the aura::Window. |
| void InternalSetBounds(const gfx::Rect& rect); |
| |
| #if defined(OS_WIN) |
| // Creates and/or updates the legacy dummy window which corresponds to |
| // the bounds of the webcontents. It is needed for accessibility and |
| // for scrolling to work in legacy drivers for trackpoints/trackpads, etc. |
| void UpdateLegacyWin(); |
| |
| bool UsesNativeWindowFrame() const; |
| #endif |
| |
| ui::InputMethod* GetInputMethod() const; |
| |
| // Sends shutdown request. |
| void Shutdown(); |
| |
| // Returns whether the widget needs an input grab to work properly. |
| bool NeedsInputGrab(); |
| |
| // Returns whether the widget needs to grab mouse capture to work properly. |
| bool NeedsMouseCapture(); |
| |
| // Confirm existing composition text in the webpage and ask the input method |
| // to cancel its ongoing composition session. |
| void FinishImeCompositionSession(); |
| |
| // This method computes movementX/Y and keeps track of mouse location for |
| // mouse lock on all mouse move events. |
| // |ui_mouse_event| contains the mouse event received. |
| // |event| contains the WebMouseEvent being modified. |
| void ModifyEventMovementAndCoords(const ui::MouseEvent& ui_mouse_event, |
| blink::WebMouseEvent* event); |
| |
| // Sends an IPC to the renderer process to communicate whether or not |
| // the mouse cursor is visible anywhere on the screen. |
| void NotifyRendererOfCursorVisibilityState(bool is_visible); |
| |
| // If |clip| is non-empty and and doesn't contain |rect| or |clip| is empty |
| // SchedulePaint() is invoked for |rect|. |
| void SchedulePaintIfNotInClip(const gfx::Rect& rect, const gfx::Rect& clip); |
| |
| // Helper method to determine if, in mouse locked mode, the cursor should be |
| // moved to center. |
| bool ShouldMoveToCenter(); |
| |
| // Called after |window_| is parented to a WindowEventDispatcher. |
| void AddedToRootWindow(); |
| |
| // Called prior to removing |window_| from a WindowEventDispatcher. |
| void RemovingFromRootWindow(); |
| |
| // DelegatedFrameHostClient implementation. |
| ui::Layer* DelegatedFrameHostGetLayer() const override; |
| bool DelegatedFrameHostIsVisible() const override; |
| SkColor DelegatedFrameHostGetGutterColor(SkColor color) const override; |
| gfx::Size DelegatedFrameHostDesiredSizeInDIP() const override; |
| bool DelegatedFrameCanCreateResizeLock() const override; |
| std::unique_ptr<ResizeLock> DelegatedFrameHostCreateResizeLock( |
| bool defer_compositor_lock) override; |
| void DelegatedFrameHostResizeLockWasReleased() override; |
| void DelegatedFrameHostSendReclaimCompositorResources( |
| int compositor_frame_sink_id, |
| bool is_swap_ack, |
| const cc::ReturnedResourceArray& resources) override; |
| void DelegatedFrameHostOnLostCompositorResources() override; |
| void SetBeginFrameSource(cc::BeginFrameSource* source) override; |
| bool IsAutoResizeEnabled() const override; |
| |
| // TextInputManager::Observer implementation. |
| void OnUpdateTextInputStateCalled(TextInputManager* text_input_manager, |
| RenderWidgetHostViewBase* updated_view, |
| bool did_update_state) override; |
| void OnImeCancelComposition(TextInputManager* text_input_manager, |
| RenderWidgetHostViewBase* updated_view) override; |
| void OnSelectionBoundsChanged( |
| TextInputManager* text_input_manager, |
| RenderWidgetHostViewBase* updated_view) override; |
| void OnTextSelectionChanged(TextInputManager* text_input_mangager, |
| RenderWidgetHostViewBase* updated_view) override; |
| |
| // cc::BeginFrameObserver implementation. |
| void OnBeginFrame(const cc::BeginFrameArgs& args) override; |
| const cc::BeginFrameArgs& LastUsedBeginFrameArgs() const override; |
| void OnBeginFrameSourcePausedChanged(bool paused) override; |
| |
| // Detaches |this| from the input method object. |
| void DetachFromInputMethod(); |
| |
| // Before calling RenderWidgetHost::ForwardKeyboardEvent(), this method |
| // calls our keybindings handler against the event and send matched |
| // edit commands to renderer instead. |
| void ForwardKeyboardEvent(const NativeWebKeyboardEvent& event); |
| |
| // Dismisses a Web Popup on a mouse or touch press outside the popup and its |
| // parent. |
| void ApplyEventFilterForPopupExit(ui::LocatedEvent* event); |
| |
| // Converts |rect| from window coordinate to screen coordinate. |
| gfx::Rect ConvertRectToScreen(const gfx::Rect& rect) const; |
| |
| // Converts |rect| from screen coordinate to window coordinate. |
| gfx::Rect ConvertRectFromScreen(const gfx::Rect& rect) const; |
| |
| // Helper function to set keyboard focus to the main window. |
| void SetKeyboardFocus(); |
| |
| RenderFrameHostImpl* GetFocusedFrame(); |
| |
| // Returns true if the |event| passed in can be forwarded to the renderer. |
| bool CanRendererHandleEvent(const ui::MouseEvent* event, |
| bool mouse_locked, |
| bool selection_popup) const; |
| |
| // Returns true when we can do SurfaceHitTesting for the event type. |
| bool ShouldRouteEvent(const ui::Event* event) const; |
| |
| // Called when the parent window bounds change. |
| void HandleParentBoundsChanged(); |
| |
| // Called when the parent window hierarchy for our window changes. |
| void ParentHierarchyChanged(); |
| |
| // Helper function to be called whenever new selection information is |
| // received. It will update selection controller. |
| void SelectionUpdated(bool is_editable, |
| bool is_empty_text_form_control, |
| const gfx::SelectionBound& start, |
| const gfx::SelectionBound& end); |
| |
| // Helper function to create a selection controller. |
| void CreateSelectionController(); |
| |
| // Performs gesture handling needed for touch text selection. Sets event as |
| // handled if it should not be further processed. |
| void HandleGestureForTouchSelection(ui::GestureEvent* event); |
| |
| // Forwards a mouse event to this view's parent window delegate. |
| void ForwardMouseEventToParent(ui::MouseEvent* event); |
| |
| // Adds/Removes frame observer based on state. |
| void UpdateNeedsBeginFramesInternal(); |
| |
| // Returns the RenderViewHostDelegateView instance for this view. Returns |
| // NULL on failure. |
| RenderViewHostDelegateView* GetRenderViewHostDelegateView(); |
| |
| // The model object. |
| RenderWidgetHostImpl* const host_; |
| |
| aura::Window* window_; |
| |
| std::unique_ptr<DelegatedFrameHost> delegated_frame_host_; |
| |
| std::unique_ptr<WindowObserver> window_observer_; |
| |
| // Tracks the ancestors of the RWHVA window for window location changes. |
| std::unique_ptr<WindowAncestorObserver> ancestor_window_observer_; |
| |
| // Are we in the process of closing? Tracked so fullscreen views can avoid |
| // sending a second shutdown request to the host when they lose the focus |
| // after requesting shutdown for another reason (e.g. Escape key). |
| bool in_shutdown_; |
| |
| // True if in the process of handling a window bounds changed notification. |
| bool in_bounds_changed_; |
| |
| // Is this a fullscreen view? |
| bool is_fullscreen_; |
| |
| // Our parent host view, if this is a popup. NULL otherwise. |
| RenderWidgetHostViewAura* popup_parent_host_view_; |
| |
| // Our child popup host. NULL if we do not have a child popup. |
| RenderWidgetHostViewAura* popup_child_host_view_; |
| |
| class EventFilterForPopupExit; |
| friend class EventFilterForPopupExit; |
| std::unique_ptr<ui::EventHandler> event_filter_for_popup_exit_; |
| |
| // True when content is being loaded. Used to show an hourglass cursor. |
| bool is_loading_; |
| |
| // The cursor for the page. This is passed up from the renderer. |
| WebCursor current_cursor_; |
| |
| // Stores the current state of the active pointers targeting this |
| // object. |
| ui::MotionEventAura pointer_state_; |
| |
| |
| // Indicates if there is onging composition text. |
| bool has_composition_text_; |
| |
| // Whether return characters should be passed on to the RenderWidgetHostImpl. |
| bool accept_return_character_; |
| |
| // Current tooltip text. |
| base::string16 tooltip_; |
| |
| // The begin frame source being observed. Null if none. |
| cc::BeginFrameSource* begin_frame_source_; |
| cc::BeginFrameArgs last_begin_frame_args_; |
| |
| // Whether a request for begin frames has been issued. |
| bool needs_begin_frames_; |
| |
| // Whether a request to flush input has been issued. |
| bool needs_flush_input_; |
| |
| // Whether or not a frame observer has been added. |
| bool added_frame_observer_; |
| |
| // Used to record the last position of the mouse. |
| // While the mouse is locked, they store the last known position just as mouse |
| // lock was entered. |
| // Relative to the upper-left corner of the view. |
| gfx::Point unlocked_mouse_position_; |
| // Relative to the upper-left corner of the screen. |
| gfx::Point unlocked_global_mouse_position_; |
| // Last cursor position relative to screen. Used to compute movementX/Y. |
| gfx::Point global_mouse_position_; |
| // In mouse locked mode, we synthetically move the mouse cursor to the center |
| // of the window when it reaches the window borders to avoid it going outside. |
| // This flag is used to differentiate between these synthetic mouse move |
| // events vs. normal mouse move events. |
| bool synthetic_move_sent_; |
| |
| // Used to track the state of the window we're created from. Only used when |
| // created fullscreen. |
| std::unique_ptr<aura::WindowTracker> host_tracker_; |
| |
| // Used to track the last cursor visibility update that was sent to the |
| // renderer via NotifyRendererOfCursorVisibilityState(). |
| enum CursorVisibilityState { |
| UNKNOWN, |
| VISIBLE, |
| NOT_VISIBLE, |
| }; |
| CursorVisibilityState cursor_visibility_state_in_renderer_; |
| |
| #if defined(OS_WIN) |
| // The LegacyRenderWidgetHostHWND class provides a dummy HWND which is used |
| // for accessibility, as the container for windowless plugins like |
| // Flash/Silverlight, etc and for legacy drivers for trackpoints/trackpads, |
| // etc. |
| // The LegacyRenderWidgetHostHWND instance is created during the first call |
| // to RenderWidgetHostViewAura::InternalSetBounds. The instance is destroyed |
| // when the LegacyRenderWidgetHostHWND hwnd is destroyed. |
| content::LegacyRenderWidgetHostHWND* legacy_render_widget_host_HWND_; |
| |
| // Set to true if the legacy_render_widget_host_HWND_ instance was destroyed |
| // by Windows. This could happen if the browser window was destroyed by |
| // DestroyWindow for e.g. This flag helps ensure that we don't try to create |
| // the LegacyRenderWidgetHostHWND instance again as that would be a futile |
| // exercise. |
| bool legacy_window_destroyed_; |
| |
| // Contains a copy of the last context menu request parameters. Only set when |
| // we receive a request to show the context menu on a long press. |
| std::unique_ptr<ContextMenuParams> last_context_menu_params_; |
| |
| // Set to true if we requested the on screen keyboard to be displayed. |
| bool virtual_keyboard_requested_; |
| |
| std::unique_ptr<ui::OnScreenKeyboardObserver> keyboard_observer_; |
| #endif |
| |
| bool has_snapped_to_boundary_; |
| |
| std::unique_ptr<TouchSelectionControllerClientAura> |
| selection_controller_client_; |
| std::unique_ptr<ui::TouchSelectionController> selection_controller_; |
| |
| std::unique_ptr<OverscrollController> overscroll_controller_; |
| |
| // The last scroll offset of the view. |
| gfx::Vector2dF last_scroll_offset_; |
| |
| gfx::Insets insets_; |
| |
| std::vector<ui::LatencyInfo> software_latency_info_; |
| |
| std::unique_ptr<aura::client::ScopedTooltipDisabler> tooltip_disabler_; |
| |
| // True when this view acts as a platform view hack for a |
| // RenderWidgetHostViewGuest. |
| bool is_guest_view_hack_; |
| |
| // This flag when set ensures that we send over a notification to blink that |
| // the current view has focus. Defaults to false. |
| bool set_focus_on_mouse_down_or_key_event_; |
| |
| float device_scale_factor_; |
| |
| // Allows tests to send gesture events for testing without first sending a |
| // corresponding touch sequence, as would be required by |
| // RenderWidgetHostInputEventRouter. |
| bool disable_input_event_router_for_testing_; |
| |
| // The routing and process IDs for the last RenderWidgetHost which had a |
| // TextInputState of non-NONE. |
| int32_t last_active_widget_process_id_; |
| int32_t last_active_widget_routing_id_; |
| |
| base::WeakPtrFactory<RenderWidgetHostViewAura> weak_ptr_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAura); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_ |