The Tor Browser / file comparison
comparison: gfx/layers/client/ClientThebesLayer.h
gfx/layers/client/ClientThebesLayer.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:72a3bf0d5f9d |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef GFX_CLIENTTHEBESLAYER_H | |
| 7 #define GFX_CLIENTTHEBESLAYER_H | |
| 8 | |
| 9 #include "ClientLayerManager.h" // for ClientLayerManager, etc | |
| 10 #include "Layers.h" // for ThebesLayer, etc | |
| 11 #include "RotatedBuffer.h" // for RotatedContentBuffer, etc | |
| 12 #include "mozilla/Attributes.h" // for MOZ_OVERRIDE | |
| 13 #include "mozilla/RefPtr.h" // for RefPtr | |
| 14 #include "mozilla/layers/ContentClient.h" // for ContentClient | |
| 15 #include "mozilla/mozalloc.h" // for operator delete | |
| 16 #include "nsDebug.h" // for NS_ASSERTION | |
| 17 #include "nsISupportsImpl.h" // for MOZ_COUNT_CTOR, etc | |
| 18 #include "nsRegion.h" // for nsIntRegion | |
| 19 #include "mozilla/layers/PLayerTransaction.h" // for ThebesLayerAttributes | |
| 20 | |
| 21 class gfxContext; | |
| 22 | |
| 23 namespace mozilla { | |
| 24 namespace layers { | |
| 25 | |
| 26 class CompositableClient; | |
| 27 class ShadowableLayer; | |
| 28 class SpecificLayerAttributes; | |
| 29 | |
| 30 class ClientThebesLayer : public ThebesLayer, | |
| 31 public ClientLayer { | |
| 32 public: | |
| 33 typedef RotatedContentBuffer::PaintState PaintState; | |
| 34 typedef RotatedContentBuffer::ContentType ContentType; | |
| 35 | |
| 36 ClientThebesLayer(ClientLayerManager* aLayerManager) : | |
| 37 ThebesLayer(aLayerManager, | |
| 38 static_cast<ClientLayer*>(MOZ_THIS_IN_INITIALIZER_LIST())), | |
| 39 mContentClient(nullptr) | |
| 40 { | |
| 41 MOZ_COUNT_CTOR(ClientThebesLayer); | |
| 42 } | |
| 43 virtual ~ClientThebesLayer() | |
| 44 { | |
| 45 if (mContentClient) { | |
| 46 mContentClient->OnDetach(); | |
| 47 mContentClient = nullptr; | |
| 48 } | |
| 49 MOZ_COUNT_DTOR(ClientThebesLayer); | |
| 50 } | |
| 51 | |
| 52 virtual void SetVisibleRegion(const nsIntRegion& aRegion) | |
| 53 { | |
| 54 NS_ASSERTION(ClientManager()->InConstruction(), | |
| 55 "Can only set properties in construction phase"); | |
| 56 ThebesLayer::SetVisibleRegion(aRegion); | |
| 57 } | |
| 58 virtual void InvalidateRegion(const nsIntRegion& aRegion) | |
| 59 { | |
| 60 NS_ASSERTION(ClientManager()->InConstruction(), | |
| 61 "Can only set properties in construction phase"); | |
| 62 mInvalidRegion.Or(mInvalidRegion, aRegion); | |
| 63 mInvalidRegion.SimplifyOutward(20); | |
| 64 mValidRegion.Sub(mValidRegion, mInvalidRegion); | |
| 65 } | |
| 66 | |
| 67 virtual void RenderLayer(); | |
| 68 | |
| 69 virtual void ClearCachedResources() | |
| 70 { | |
| 71 if (mContentClient) { | |
| 72 mContentClient->Clear(); | |
| 73 } | |
| 74 mValidRegion.SetEmpty(); | |
| 75 DestroyBackBuffer(); | |
| 76 } | |
| 77 | |
| 78 virtual void FillSpecificAttributes(SpecificLayerAttributes& aAttrs) | |
| 79 { | |
| 80 aAttrs = ThebesLayerAttributes(GetValidRegion()); | |
| 81 } | |
| 82 | |
| 83 ClientLayerManager* ClientManager() | |
| 84 { | |
| 85 return static_cast<ClientLayerManager*>(mManager); | |
| 86 } | |
| 87 | |
| 88 virtual Layer* AsLayer() { return this; } | |
| 89 virtual ShadowableLayer* AsShadowableLayer() { return this; } | |
| 90 | |
| 91 virtual CompositableClient* GetCompositableClient() MOZ_OVERRIDE | |
| 92 { | |
| 93 return mContentClient; | |
| 94 } | |
| 95 | |
| 96 virtual void Disconnect() | |
| 97 { | |
| 98 mContentClient = nullptr; | |
| 99 ClientLayer::Disconnect(); | |
| 100 } | |
| 101 | |
| 102 protected: | |
| 103 void PaintThebes(); | |
| 104 | |
| 105 void DestroyBackBuffer() | |
| 106 { | |
| 107 mContentClient = nullptr; | |
| 108 } | |
| 109 | |
| 110 RefPtr<ContentClient> mContentClient; | |
| 111 }; | |
| 112 | |
| 113 } | |
| 114 } | |
| 115 | |
| 116 #endif |
