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https://gitlab.winehq.org/wine/wine-gecko.git
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3309ddaa45
This is a rollowup of the following patches Bug 823619, part 1: Make TabChild dispatch spec-compliant compat mouse events. r=mwu Bug 823619, part 2: Use touch event for scrolling if available. r=cjones,schien,vingtetun a=blocking-basecamp
241 lines
7.8 KiB
C++
241 lines
7.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=8 et :
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_layout_RenderFrameParent_h
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#define mozilla_layout_RenderFrameParent_h
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#include "mozilla/Attributes.h"
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#include <map>
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#include "mozilla/layout/PRenderFrameParent.h"
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#include "mozilla/layers/ShadowLayersManager.h"
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#include "nsDisplayList.h"
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#include "RenderFrameUtils.h"
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class nsContentView;
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class nsFrameLoader;
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class nsSubDocumentFrame;
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namespace mozilla {
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class InputEvent;
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namespace layers {
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class AsyncPanZoomController;
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class GestureEventListener;
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class TargetConfig;
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class ShadowLayersParent;
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}
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namespace layout {
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class RemoteContentController;
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class RenderFrameParent : public PRenderFrameParent,
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public mozilla::layers::ShadowLayersManager
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{
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typedef mozilla::layers::FrameMetrics FrameMetrics;
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typedef mozilla::layers::ContainerLayer ContainerLayer;
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typedef mozilla::layers::Layer Layer;
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typedef mozilla::layers::LayerManager LayerManager;
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typedef mozilla::layers::TargetConfig TargetConfig;
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typedef mozilla::layers::ShadowLayersParent ShadowLayersParent;
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typedef mozilla::FrameLayerBuilder::ContainerParameters ContainerParameters;
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typedef FrameMetrics::ViewID ViewID;
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public:
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typedef std::map<ViewID, nsRefPtr<nsContentView> > ViewMap;
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/**
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* Select the desired scrolling behavior. If ASYNC_PAN_ZOOM is
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* chosen, then RenderFrameParent will watch input events and use
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* them to asynchronously pan and zoom.
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*/
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RenderFrameParent(nsFrameLoader* aFrameLoader,
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ScrollingBehavior aScrollingBehavior,
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mozilla::layers::LayersBackend* aBackendType,
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int* aMaxTextureSize,
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uint64_t* aId);
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virtual ~RenderFrameParent();
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void Destroy();
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/**
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* Helper function for getting a non-owning reference to a scrollable.
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* @param aId The ID of the frame.
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*/
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nsContentView* GetContentView(ViewID aId = FrameMetrics::ROOT_SCROLL_ID);
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void ContentViewScaleChanged(nsContentView* aView);
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virtual void ShadowLayersUpdated(ShadowLayersParent* aLayerTree,
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const TargetConfig& aTargetConfig,
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bool isFirstPaint) MOZ_OVERRIDE;
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NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
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nsSubDocumentFrame* aFrame,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists);
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already_AddRefed<Layer> BuildLayer(nsDisplayListBuilder* aBuilder,
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nsIFrame* aFrame,
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LayerManager* aManager,
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const nsIntRect& aVisibleRect,
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nsDisplayItem* aItem,
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const ContainerParameters& aContainerParameters);
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void OwnerContentChanged(nsIContent* aContent);
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void SetBackgroundColor(nscolor aColor) { mBackgroundColor = gfxRGBA(aColor); };
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void NotifyInputEvent(const nsInputEvent& aEvent,
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nsInputEvent* aOutEvent);
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void NotifyDimensionsChanged(int width, int height);
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void ZoomToRect(const gfxRect& aRect);
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void ContentReceivedTouch(bool aPreventDefault);
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void UpdateZoomConstraints(bool aAllowZoom, float aMinZoom, float aMaxZoom);
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protected:
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void ActorDestroy(ActorDestroyReason why) MOZ_OVERRIDE;
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virtual bool RecvNotifyCompositorTransaction() MOZ_OVERRIDE;
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virtual bool RecvCancelDefaultPanZoom() MOZ_OVERRIDE;
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virtual bool RecvDetectScrollableSubframe() MOZ_OVERRIDE;
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virtual PLayersParent* AllocPLayers() MOZ_OVERRIDE;
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virtual bool DeallocPLayers(PLayersParent* aLayers) MOZ_OVERRIDE;
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private:
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void BuildViewMap();
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void TriggerRepaint();
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void DispatchEventForPanZoomController(const InputEvent& aEvent);
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ShadowLayersParent* GetShadowLayers() const;
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uint64_t GetLayerTreeId() const;
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ContainerLayer* GetRootLayer() const;
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// When our child frame is pushing transactions directly to the
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// compositor, this is the ID of its layer tree in the compositor's
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// context.
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uint64_t mLayersId;
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nsRefPtr<nsFrameLoader> mFrameLoader;
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nsRefPtr<ContainerLayer> mContainer;
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// When our scrolling behavior is ASYNC_PAN_ZOOM, we have a nonnull
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// AsyncPanZoomController. It's associated with the shadow layer
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// tree on the compositor thread.
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nsRefPtr<layers::AsyncPanZoomController> mPanZoomController;
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nsRefPtr<RemoteContentController> mContentController;
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// This contains the views for all the scrollable frames currently in the
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// painted region of our remote content.
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ViewMap mContentViews;
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// True after Destroy() has been called, which is triggered
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// originally by nsFrameLoader::Destroy(). After this point, we can
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// no longer safely ask the frame loader to find its nearest layer
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// manager, because it may have been disconnected from the DOM.
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// It's still OK to *tell* the frame loader that we've painted after
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// it's destroyed; it'll just ignore us, and we won't be able to
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// find an nsIFrame to invalidate. See ShadowLayersUpdated().
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//
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// Prefer the extra bit of state to null'ing out mFrameLoader in
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// Destroy() so that less code needs to be special-cased for after
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// Destroy().
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//
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// It's possible for mFrameLoader==null and
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// mFrameLoaderDestroyed==false.
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bool mFrameLoaderDestroyed;
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// this is gfxRGBA because that's what ColorLayer wants.
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gfxRGBA mBackgroundColor;
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};
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} // namespace layout
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} // namespace mozilla
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/**
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* A DisplayRemote exists solely to graft a child process's shadow
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* layer tree (for a given RenderFrameParent) into its parent
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* process's layer tree.
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*/
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class nsDisplayRemote : public nsDisplayItem
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{
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typedef mozilla::layout::RenderFrameParent RenderFrameParent;
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public:
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nsDisplayRemote(nsDisplayListBuilder* aBuilder, nsIFrame* aFrame,
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RenderFrameParent* aRemoteFrame)
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: nsDisplayItem(aBuilder, aFrame)
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, mRemoteFrame(aRemoteFrame)
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{}
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virtual LayerState GetLayerState(nsDisplayListBuilder* aBuilder,
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LayerManager* aManager,
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const ContainerParameters& aParameters) MOZ_OVERRIDE
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{ return mozilla::LAYER_ACTIVE_FORCE; }
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virtual already_AddRefed<Layer>
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BuildLayer(nsDisplayListBuilder* aBuilder, LayerManager* aManager,
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const ContainerParameters& aContainerParameters) MOZ_OVERRIDE;
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NS_DISPLAY_DECL_NAME("Remote", TYPE_REMOTE)
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private:
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RenderFrameParent* mRemoteFrame;
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};
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/**
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* nsDisplayRemoteShadow is a way of adding display items for frames in a
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* separate process, for hit testing only. After being processed, the hit
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* test state will contain IDs for any remote frames that were hit.
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*
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* The frame should be its respective render frame parent.
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*/
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class nsDisplayRemoteShadow : public nsDisplayItem
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{
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typedef mozilla::layout::RenderFrameParent RenderFrameParent;
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typedef mozilla::layers::FrameMetrics::ViewID ViewID;
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public:
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nsDisplayRemoteShadow(nsDisplayListBuilder* aBuilder,
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nsIFrame* aFrame,
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nsRect aRect,
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ViewID aId)
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: nsDisplayItem(aBuilder, aFrame)
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, mRect(aRect)
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, mId(aId)
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{}
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nsRect GetBounds(nsDisplayListBuilder* aBuilder, bool* aSnap) MOZ_OVERRIDE
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{
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*aSnap = false;
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return mRect;
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}
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virtual uint32_t GetPerFrameKey() MOZ_OVERRIDE
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{
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NS_ABORT();
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return 0;
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}
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void HitTest(nsDisplayListBuilder* aBuilder, const nsRect& aRect,
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HitTestState* aState, nsTArray<nsIFrame*> *aOutFrames) MOZ_OVERRIDE;
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NS_DISPLAY_DECL_NAME("Remote-Shadow", TYPE_REMOTE_SHADOW)
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private:
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nsRect mRect;
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ViewID mId;
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};
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#endif // mozilla_layout_RenderFrameParent_h
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