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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef OffscreenCanvasPlaceholder_h | 5 #ifndef OffscreenCanvasPlaceholder_h |
6 #define OffscreenCanvasPlaceholder_h | 6 #define OffscreenCanvasPlaceholder_h |
7 | 7 |
8 #include "platform/PlatformExport.h" | 8 #include "platform/PlatformExport.h" |
9 #include "wtf/RefPtr.h" | 9 #include "wtf/RefPtr.h" |
10 #include "wtf/WeakPtr.h" | 10 #include "wtf/WeakPtr.h" |
11 #include <memory> | 11 #include <memory> |
12 | 12 |
13 namespace blink { | 13 namespace blink { |
14 | 14 |
15 class Image; | |
16 class OffscreenCanvasFrameDispatcher; | 15 class OffscreenCanvasFrameDispatcher; |
| 16 class StaticBitmapImage; |
17 class WebTaskRunner; | 17 class WebTaskRunner; |
18 | 18 |
19 class PLATFORM_EXPORT OffscreenCanvasPlaceholder { | 19 class PLATFORM_EXPORT OffscreenCanvasPlaceholder { |
20 public: | 20 public: |
21 ~OffscreenCanvasPlaceholder(); | 21 ~OffscreenCanvasPlaceholder(); |
22 | 22 |
23 void setPlaceholderFrame(RefPtr<Image>, | 23 void setPlaceholderFrame(RefPtr<StaticBitmapImage>, |
24 WeakPtr<OffscreenCanvasFrameDispatcher>, | 24 WeakPtr<OffscreenCanvasFrameDispatcher>, |
25 std::unique_ptr<WebTaskRunner>, | 25 std::unique_ptr<WebTaskRunner>, |
26 unsigned resourceId); | 26 unsigned resourceId); |
27 void releasePlaceholderFrame(); | 27 void releasePlaceholderFrame(); |
28 | 28 |
29 static OffscreenCanvasPlaceholder* getPlaceholderById(unsigned placeholderId); | 29 static OffscreenCanvasPlaceholder* getPlaceholderById(unsigned placeholderId); |
30 | 30 |
31 void registerPlaceholder(unsigned placeholderId); | 31 void registerPlaceholder(unsigned placeholderId); |
32 void unregisterPlaceholder(); | 32 void unregisterPlaceholder(); |
33 const RefPtr<Image>& placeholderFrame() const { return m_placeholderFrame; } | 33 const RefPtr<StaticBitmapImage>& placeholderFrame() const { |
| 34 return m_placeholderFrame; |
| 35 } |
34 | 36 |
35 private: | 37 private: |
36 bool isPlaceholderRegistered() const { | 38 bool isPlaceholderRegistered() const { |
37 return m_placeholderId != kNoPlaceholderId; | 39 return m_placeholderId != kNoPlaceholderId; |
38 } | 40 } |
39 | 41 |
40 RefPtr<Image> m_placeholderFrame; | 42 RefPtr<StaticBitmapImage> m_placeholderFrame; |
41 WeakPtr<OffscreenCanvasFrameDispatcher> m_frameDispatcher; | 43 WeakPtr<OffscreenCanvasFrameDispatcher> m_frameDispatcher; |
42 std::unique_ptr<WebTaskRunner> m_frameDispatcherTaskRunner; | 44 std::unique_ptr<WebTaskRunner> m_frameDispatcherTaskRunner; |
43 unsigned m_placeholderFrameResourceId = 0; | 45 unsigned m_placeholderFrameResourceId = 0; |
44 | 46 |
45 enum { | 47 enum { |
46 kNoPlaceholderId = -1, | 48 kNoPlaceholderId = -1, |
47 }; | 49 }; |
48 int m_placeholderId = kNoPlaceholderId; | 50 int m_placeholderId = kNoPlaceholderId; |
49 }; | 51 }; |
50 | 52 |
51 } // blink | 53 } // blink |
52 | 54 |
53 #endif | 55 #endif |
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