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124 lines
3.4 KiB
C++
124 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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 GFX_CLIENTTHEBESLAYER_H
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#define GFX_CLIENTTHEBESLAYER_H
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#include "ClientLayerManager.h" // for ClientLayerManager, etc
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#include "Layers.h" // for ThebesLayer, etc
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#include "RotatedBuffer.h" // for RotatedContentBuffer, etc
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#include "mozilla/Attributes.h" // for MOZ_OVERRIDE
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#include "mozilla/RefPtr.h" // for RefPtr
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#include "mozilla/layers/ContentClient.h" // for ContentClient
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#include "mozilla/mozalloc.h" // for operator delete
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#include "nsDebug.h" // for NS_ASSERTION
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#include "nsISupportsImpl.h" // for MOZ_COUNT_CTOR, etc
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#include "nsRegion.h" // for nsIntRegion
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#include "mozilla/layers/PLayerTransaction.h" // for ThebesLayerAttributes
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class gfxContext;
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namespace mozilla {
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namespace layers {
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class CompositableClient;
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class ShadowableLayer;
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class SpecificLayerAttributes;
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class ClientThebesLayer : public ThebesLayer,
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public ClientLayer {
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public:
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typedef RotatedContentBuffer::PaintState PaintState;
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typedef RotatedContentBuffer::ContentType ContentType;
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ClientThebesLayer(ClientLayerManager* aLayerManager) :
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ThebesLayer(aLayerManager,
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static_cast<ClientLayer*>(MOZ_THIS_IN_INITIALIZER_LIST())),
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mContentClient(nullptr)
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{
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MOZ_COUNT_CTOR(ClientThebesLayer);
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}
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virtual ~ClientThebesLayer()
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{
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if (mContentClient) {
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mContentClient->OnDetach();
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mContentClient = nullptr;
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}
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MOZ_COUNT_DTOR(ClientThebesLayer);
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}
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virtual void SetVisibleRegion(const nsIntRegion& aRegion)
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{
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NS_ASSERTION(ClientManager()->InConstruction(),
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"Can only set properties in construction phase");
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ThebesLayer::SetVisibleRegion(aRegion);
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}
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virtual void InvalidateRegion(const nsIntRegion& aRegion)
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{
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NS_ASSERTION(ClientManager()->InConstruction(),
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"Can only set properties in construction phase");
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mInvalidRegion.Or(mInvalidRegion, aRegion);
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mValidRegion.Sub(mValidRegion, mInvalidRegion);
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}
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virtual void RenderLayer();
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virtual void ClearCachedResources()
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{
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if (mContentClient) {
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mContentClient->Clear();
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}
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mValidRegion.SetEmpty();
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DestroyBackBuffer();
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}
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virtual void FillSpecificAttributes(SpecificLayerAttributes& aAttrs)
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{
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aAttrs = ThebesLayerAttributes(GetValidRegion());
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}
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ClientLayerManager* ClientManager()
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{
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return static_cast<ClientLayerManager*>(mManager);
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}
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virtual Layer* AsLayer() { return this; }
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virtual ShadowableLayer* AsShadowableLayer() { return this; }
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virtual CompositableClient* GetCompositableClient() MOZ_OVERRIDE
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{
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return mContentClient;
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}
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virtual void Disconnect()
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{
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mContentClient = nullptr;
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ClientLayer::Disconnect();
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}
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protected:
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void
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PaintBuffer(gfxContext* aContext,
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const nsIntRegion& aRegionToDraw,
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const nsIntRegion& aExtendedRegionToDraw,
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const nsIntRegion& aRegionToInvalidate,
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bool aDidSelfCopy,
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DrawRegionClip aClip);
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void PaintThebes();
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void DestroyBackBuffer()
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{
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mContentClient = nullptr;
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}
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RefPtr<ContentClient> mContentClient;
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};
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}
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}
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#endif
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