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| 1 /* | 1 /* |
| 2 * Copyright (C) 2011 Google Inc. All rights reserved. | 2 * Copyright (C) 2011 Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * | 10 * |
| (...skipping 14 matching lines...) Expand all Loading... |
| 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 */ | 27 */ |
| 28 | 28 |
| 29 #ifndef PageOverlay_h | 29 #ifndef PageOverlay_h |
| 30 #define PageOverlay_h | 30 #define PageOverlay_h |
| 31 | 31 |
| 32 #include "platform/graphics/GraphicsLayer.h" | 32 #include "platform/graphics/GraphicsLayer.h" |
| 33 #include "platform/graphics/GraphicsLayerClient.h" | 33 #include "platform/graphics/GraphicsLayerClient.h" |
| 34 #include "platform/graphics/paint/DisplayItemClient.h" | 34 #include "platform/graphics/paint/DisplayItemClient.h" |
| 35 #include "web/WebExport.h" | |
| 36 #include "wtf/OwnPtr.h" | 35 #include "wtf/OwnPtr.h" |
| 37 #include "wtf/PassOwnPtr.h" | 36 #include "wtf/PassOwnPtr.h" |
| 38 #include "wtf/text/WTFString.h" | 37 #include "wtf/text/WTFString.h" |
| 39 | 38 |
| 40 namespace blink { | 39 namespace blink { |
| 41 | 40 |
| 42 class GraphicsContext; | 41 class GraphicsContext; |
| 43 class WebPageOverlay; | 42 class WebPageOverlay; |
| 44 class WebViewImpl; | 43 class WebViewImpl; |
| 45 | 44 |
| 46 // Manages a layer that is overlaid on a WebView's content. | 45 // Manages a layer that is overlaid on a WebView's content. |
| 47 // Clients can paint by implementing WebPageOverlay. | 46 // Clients can paint by implementing WebPageOverlay. |
| 48 // | 47 // |
| 49 // With Slimming Paint, internal clients can extract a GraphicsContext to add | 48 // With Slimming Paint, internal clients can extract a GraphicsContext to add |
| 50 // to the PaintController owned by the GraphicsLayer | 49 // to the PaintController owned by the GraphicsLayer |
| 51 class WEB_EXPORT PageOverlay : public GraphicsLayerClient, public DisplayItemCli
ent { | 50 class PageOverlay : public GraphicsLayerClient, public DisplayItemClient { |
| 52 public: | 51 public: |
| 53 class Delegate : public GarbageCollectedFinalized<Delegate> { | 52 class Delegate : public GarbageCollectedFinalized<Delegate> { |
| 54 public: | 53 public: |
| 55 DEFINE_INLINE_VIRTUAL_TRACE() { } | 54 DEFINE_INLINE_VIRTUAL_TRACE() { } |
| 56 | 55 |
| 57 // Paints page overlay contents. | 56 // Paints page overlay contents. |
| 58 virtual void paintPageOverlay(const PageOverlay&, GraphicsContext&, cons
t WebSize& webViewSize) const = 0; | 57 virtual void paintPageOverlay(const PageOverlay&, GraphicsContext&, cons
t WebSize& webViewSize) const = 0; |
| 59 virtual ~Delegate() { } | 58 virtual ~Delegate() { } |
| 60 }; | 59 }; |
| 61 | 60 |
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| 81 PageOverlay(WebViewImpl*, PageOverlay::Delegate*); | 80 PageOverlay(WebViewImpl*, PageOverlay::Delegate*); |
| 82 | 81 |
| 83 WebViewImpl* m_viewImpl; | 82 WebViewImpl* m_viewImpl; |
| 84 Persistent<PageOverlay::Delegate> m_delegate; | 83 Persistent<PageOverlay::Delegate> m_delegate; |
| 85 OwnPtr<GraphicsLayer> m_layer; | 84 OwnPtr<GraphicsLayer> m_layer; |
| 86 }; | 85 }; |
| 87 | 86 |
| 88 } // namespace blink | 87 } // namespace blink |
| 89 | 88 |
| 90 #endif // PageOverlay_h | 89 #endif // PageOverlay_h |
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