gfx/layers/composite/ColorLayerComposite.h

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1 /* -*- Mode: C++; tab-width: 20; 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_ColorLayerComposite_H
7 #define GFX_ColorLayerComposite_H
8
9 #include "Layers.h" // for ColorLayer, etc
10 #include "mozilla/Attributes.h" // for MOZ_OVERRIDE
11 #include "mozilla/layers/LayerManagerComposite.h" // for LayerComposite, etc
12 #include "nsISupportsImpl.h" // for MOZ_COUNT_CTOR, etc
13
14 struct nsIntPoint;
15 struct nsIntRect;
16
17 namespace mozilla {
18 namespace layers {
19
20 class CompositableHost;
21
22 class ColorLayerComposite : public ColorLayer,
23 public LayerComposite
24 {
25 public:
26 ColorLayerComposite(LayerManagerComposite *aManager)
27 : ColorLayer(aManager, nullptr)
28 , LayerComposite(aManager)
29 {
30 MOZ_COUNT_CTOR(ColorLayerComposite);
31 mImplData = static_cast<LayerComposite*>(this);
32 }
33 ~ColorLayerComposite()
34 {
35 MOZ_COUNT_DTOR(ColorLayerComposite);
36 Destroy();
37 }
38
39 // LayerComposite Implementation
40 virtual Layer* GetLayer() MOZ_OVERRIDE { return this; }
41
42 virtual void Destroy() MOZ_OVERRIDE { mDestroyed = true; }
43
44 virtual void RenderLayer(const nsIntRect& aClipRect) MOZ_OVERRIDE;
45 virtual void CleanupResources() MOZ_OVERRIDE {};
46
47 CompositableHost* GetCompositableHost() MOZ_OVERRIDE { return nullptr; }
48
49 virtual LayerComposite* AsLayerComposite() MOZ_OVERRIDE { return this; }
50
51 virtual const char* Name() const MOZ_OVERRIDE { return "ColorLayerComposite"; }
52 };
53
54 } /* layers */
55 } /* mozilla */
56 #endif /* GFX_ColorLayerComposite_H */

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