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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 OffscreenCanvas_h | 5 #ifndef OffscreenCanvas_h |
6 #define OffscreenCanvas_h | 6 #define OffscreenCanvas_h |
7 | 7 |
8 #include "bindings/core/v8/ScriptPromise.h" | 8 #include "bindings/core/v8/ScriptPromise.h" |
9 #include "bindings/core/v8/ScriptState.h" | 9 #include "bindings/core/v8/ScriptState.h" |
10 #include "bindings/core/v8/ScriptWrappable.h" | 10 #include "bindings/core/v8/ScriptWrappable.h" |
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68 static void registerRenderingContextFactory( | 68 static void registerRenderingContextFactory( |
69 std::unique_ptr<CanvasRenderingContextFactory>); | 69 std::unique_ptr<CanvasRenderingContextFactory>); |
70 | 70 |
71 bool originClean() const; | 71 bool originClean() const; |
72 void setOriginTainted() { m_originClean = false; } | 72 void setOriginTainted() { m_originClean = false; } |
73 // TODO(crbug.com/630356): apply the flag to WebGL context as well | 73 // TODO(crbug.com/630356): apply the flag to WebGL context as well |
74 void setDisableReadingFromCanvasTrue() { m_disableReadingFromCanvas = true; } | 74 void setDisableReadingFromCanvasTrue() { m_disableReadingFromCanvas = true; } |
75 | 75 |
76 OffscreenCanvasFrameDispatcher* getOrCreateFrameDispatcher(); | 76 OffscreenCanvasFrameDispatcher* getOrCreateFrameDispatcher(); |
77 | 77 |
78 void setSurfaceId(uint32_t clientId, | 78 void setFrameSinkId(uint32_t clientId, uint32_t sinkId) { |
79 uint32_t sinkId, | |
80 uint32_t localId, | |
81 uint64_t nonceHigh, | |
82 uint64_t nonceLow) { | |
83 m_clientId = clientId; | 79 m_clientId = clientId; |
84 m_sinkId = sinkId; | 80 m_sinkId = sinkId; |
85 m_localId = localId; | |
86 m_nonceHigh = nonceHigh; | |
87 m_nonceLow = nonceLow; | |
88 } | 81 } |
89 uint32_t clientId() const { return m_clientId; } | 82 uint32_t clientId() const { return m_clientId; } |
90 uint32_t sinkId() const { return m_sinkId; } | 83 uint32_t sinkId() const { return m_sinkId; } |
91 uint32_t localId() const { return m_localId; } | |
92 uint64_t nonceHigh() const { return m_nonceHigh; } | |
93 uint64_t nonceLow() const { return m_nonceLow; } | |
94 | 84 |
95 void setExecutionContext(ExecutionContext* context) { | 85 void setExecutionContext(ExecutionContext* context) { |
96 m_executionContext = context; | 86 m_executionContext = context; |
97 } | 87 } |
98 | 88 |
99 // EventTarget implementation | 89 // EventTarget implementation |
100 const AtomicString& interfaceName() const final { | 90 const AtomicString& interfaceName() const final { |
101 return EventTargetNames::OffscreenCanvas; | 91 return EventTargetNames::OffscreenCanvas; |
102 } | 92 } |
103 ExecutionContext* getExecutionContext() const { | 93 ExecutionContext* getExecutionContext() const { |
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148 | 138 |
149 IntSize m_size; | 139 IntSize m_size; |
150 bool m_isNeutered = false; | 140 bool m_isNeutered = false; |
151 | 141 |
152 bool m_originClean; | 142 bool m_originClean; |
153 bool m_disableReadingFromCanvas = false; | 143 bool m_disableReadingFromCanvas = false; |
154 | 144 |
155 bool isPaintable() const; | 145 bool isPaintable() const; |
156 | 146 |
157 std::unique_ptr<OffscreenCanvasFrameDispatcher> m_frameDispatcher; | 147 std::unique_ptr<OffscreenCanvasFrameDispatcher> m_frameDispatcher; |
158 // cc::SurfaceId is broken into three integer components as this can be used | 148 // cc::FrameSinkId is broken into two integer components as this can be used |
159 // in transfer of OffscreenCanvas across threads | 149 // in transfer of OffscreenCanvas across threads |
160 // If this object is not created via | 150 // If this object is not created via |
161 // HTMLCanvasElement.transferControlToOffscreen(), | 151 // HTMLCanvasElement.transferControlToOffscreen(), |
162 // then the following members would remain as initialized zero values. | 152 // then the following members would remain as initialized zero values. |
163 uint32_t m_clientId = 0; | 153 uint32_t m_clientId = 0; |
164 uint32_t m_sinkId = 0; | 154 uint32_t m_sinkId = 0; |
165 uint32_t m_localId = 0; | |
166 uint64_t m_nonceHigh = 0; | |
167 uint64_t m_nonceLow = 0; | |
168 }; | 155 }; |
169 | 156 |
170 } // namespace blink | 157 } // namespace blink |
171 | 158 |
172 #endif // OffscreenCanvas_h | 159 #endif // OffscreenCanvas_h |
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