161 lines
5.2 KiB
C++
161 lines
5.2 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/layers/APZUtils.h"
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#include "mozilla/layers/LayersTypes.h"
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#include "mozilla/layout/PRenderFrameParent.h"
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#include "nsDisplayList.h"
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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 AsyncDragMetrics;
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class TargetConfig;
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struct TextureFactoryIdentifier;
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struct ScrollableLayerGuid;
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} // namespace layers
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namespace layout {
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class RenderFrameParent : public PRenderFrameParent
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{
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typedef mozilla::layers::AsyncDragMetrics AsyncDragMetrics;
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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::ContainerLayerParameters ContainerLayerParameters;
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typedef mozilla::layers::TextureFactoryIdentifier TextureFactoryIdentifier;
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typedef mozilla::layers::ScrollableLayerGuid ScrollableLayerGuid;
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typedef mozilla::layers::TouchBehaviorFlags TouchBehaviorFlags;
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typedef mozilla::layers::ZoomConstraints ZoomConstraints;
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typedef FrameMetrics::ViewID ViewID;
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public:
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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, bool* aSuccess);
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virtual ~RenderFrameParent();
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bool Init(nsFrameLoader* aFrameLoader);
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bool IsInitted();
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void Destroy();
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void BuildDisplayList(nsDisplayListBuilder* aBuilder,
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nsSubDocumentFrame* aFrame,
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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 ContainerLayerParameters& aContainerParameters);
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void OwnerContentChanged(nsIContent* aContent);
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bool HitTest(const nsRect& aRect);
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void GetTextureFactoryIdentifier(TextureFactoryIdentifier* aTextureFactoryIdentifier);
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inline uint64_t GetLayersId() { return mLayersId; }
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void TakeFocusForClickFromTap();
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void EnsureLayersConnected();
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protected:
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void ActorDestroy(ActorDestroyReason why) override;
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virtual bool RecvNotifyCompositorTransaction() override;
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private:
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void TriggerRepaint();
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void DispatchEventForPanZoomController(const InputEvent& aEvent);
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uint64_t GetLayerTreeId() 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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RefPtr<nsFrameLoader> mFrameLoader;
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RefPtr<ContainerLayer> mContainer;
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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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bool mAsyncPanZoomEnabled;
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bool mInitted;
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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, nsSubDocumentFrame* aFrame,
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RenderFrameParent* aRemoteFrame);
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virtual LayerState GetLayerState(nsDisplayListBuilder* aBuilder,
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LayerManager* aManager,
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const ContainerLayerParameters& aParameters) 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 ContainerLayerParameters& aContainerParameters) 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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mozilla::layers::EventRegionsOverride mEventRegionsOverride;
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};
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#endif // mozilla_layout_RenderFrameParent_h
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