The Tor Browser / file comparison
comparison: gfx/layers/basic/BasicContainerLayer.h
gfx/layers/basic/BasicContainerLayer.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:213a35153e0c |
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| 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_BASICCONTAINERLAYER_H | |
| 7 #define GFX_BASICCONTAINERLAYER_H | |
| 8 | |
| 9 #include "BasicImplData.h" // for BasicImplData | |
| 10 #include "BasicLayers.h" // for BasicLayerManager | |
| 11 #include "Layers.h" // for Layer, ContainerLayer | |
| 12 #include "nsDebug.h" // for NS_ASSERTION | |
| 13 #include "nsISupportsImpl.h" // for MOZ_COUNT_CTOR | |
| 14 #include "nsISupportsUtils.h" // for NS_ADDREF, NS_RELEASE | |
| 15 struct nsIntRect; | |
| 16 | |
| 17 namespace mozilla { | |
| 18 namespace layers { | |
| 19 | |
| 20 class BasicContainerLayer : public ContainerLayer, public BasicImplData { | |
| 21 public: | |
| 22 BasicContainerLayer(BasicLayerManager* aManager) : | |
| 23 ContainerLayer(aManager, | |
| 24 static_cast<BasicImplData*>(MOZ_THIS_IN_INITIALIZER_LIST())) | |
| 25 { | |
| 26 MOZ_COUNT_CTOR(BasicContainerLayer); | |
| 27 mSupportsComponentAlphaChildren = true; | |
| 28 } | |
| 29 virtual ~BasicContainerLayer(); | |
| 30 | |
| 31 virtual void SetVisibleRegion(const nsIntRegion& aRegion) | |
| 32 { | |
| 33 NS_ASSERTION(BasicManager()->InConstruction(), | |
| 34 "Can only set properties in construction phase"); | |
| 35 ContainerLayer::SetVisibleRegion(aRegion); | |
| 36 } | |
| 37 virtual bool InsertAfter(Layer* aChild, Layer* aAfter) | |
| 38 { | |
| 39 if (!BasicManager()->InConstruction()) { | |
| 40 NS_ERROR("Can only set properties in construction phase"); | |
| 41 return false; | |
| 42 } | |
| 43 return ContainerLayer::InsertAfter(aChild, aAfter); | |
| 44 } | |
| 45 | |
| 46 virtual bool RemoveChild(Layer* aChild) | |
| 47 { | |
| 48 if (!BasicManager()->InConstruction()) { | |
| 49 NS_ERROR("Can only set properties in construction phase"); | |
| 50 return false; | |
| 51 } | |
| 52 return ContainerLayer::RemoveChild(aChild); | |
| 53 } | |
| 54 | |
| 55 virtual bool RepositionChild(Layer* aChild, Layer* aAfter) | |
| 56 { | |
| 57 if (!BasicManager()->InConstruction()) { | |
| 58 NS_ERROR("Can only set properties in construction phase"); | |
| 59 return false; | |
| 60 } | |
| 61 return ContainerLayer::RepositionChild(aChild, aAfter); | |
| 62 } | |
| 63 | |
| 64 virtual void ComputeEffectiveTransforms(const gfx::Matrix4x4& aTransformToSurface); | |
| 65 | |
| 66 /** | |
| 67 * Returns true when: | |
| 68 * a) no (non-hidden) childrens' visible areas overlap in | |
| 69 * (aInRect intersected with this layer's visible region). | |
| 70 * b) the (non-hidden) childrens' visible areas cover | |
| 71 * (aInRect intersected with this layer's visible region). | |
| 72 * c) this layer and all (non-hidden) children have transforms that are translations | |
| 73 * by integers. | |
| 74 * aInRect is in the root coordinate system. | |
| 75 * Child layers with opacity do not contribute to the covered area in check b). | |
| 76 * This method can be conservative; it's OK to return false under any | |
| 77 * circumstances. | |
| 78 */ | |
| 79 bool ChildrenPartitionVisibleRegion(const nsIntRect& aInRect); | |
| 80 | |
| 81 void ForceIntermediateSurface() { mUseIntermediateSurface = true; } | |
| 82 | |
| 83 void SetSupportsComponentAlphaChildren(bool aSupports) { mSupportsComponentAlphaChildren = aSupports; } | |
| 84 | |
| 85 virtual void Validate(LayerManager::DrawThebesLayerCallback aCallback, | |
| 86 void* aCallbackData) MOZ_OVERRIDE; | |
| 87 | |
| 88 protected: | |
| 89 BasicLayerManager* BasicManager() | |
| 90 { | |
| 91 return static_cast<BasicLayerManager*>(mManager); | |
| 92 } | |
| 93 }; | |
| 94 } | |
| 95 } | |
| 96 | |
| 97 #endif |
