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1 /* | 1 /* |
2 * Copyright (C) 2010 Google Inc. All rights reserved. | 2 * Copyright (C) 2010 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 * * Redistributions of source code must retain the above copyright | 8 * * 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 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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33 #include "bindings/core/v8/DOMDataStore.h" | 33 #include "bindings/core/v8/DOMDataStore.h" |
34 #include "bindings/core/v8/DOMWrapperWorld.h" | 34 #include "bindings/core/v8/DOMWrapperWorld.h" |
35 #include "bindings/core/v8/ExceptionState.h" | 35 #include "bindings/core/v8/ExceptionState.h" |
36 #include "bindings/core/v8/ScriptState.h" | 36 #include "bindings/core/v8/ScriptState.h" |
37 #include "bindings/core/v8/ScriptValueSerializer.h" | 37 #include "bindings/core/v8/ScriptValueSerializer.h" |
38 #include "bindings/core/v8/SerializedScriptValueFactory.h" | 38 #include "bindings/core/v8/SerializedScriptValueFactory.h" |
39 #include "bindings/core/v8/Transferables.h" | 39 #include "bindings/core/v8/Transferables.h" |
40 #include "bindings/core/v8/V8ArrayBuffer.h" | 40 #include "bindings/core/v8/V8ArrayBuffer.h" |
41 #include "bindings/core/v8/V8ImageBitmap.h" | 41 #include "bindings/core/v8/V8ImageBitmap.h" |
42 #include "bindings/core/v8/V8MessagePort.h" | 42 #include "bindings/core/v8/V8MessagePort.h" |
| 43 #include "bindings/core/v8/V8OffscreenCanvas.h" |
43 #include "bindings/core/v8/V8SharedArrayBuffer.h" | 44 #include "bindings/core/v8/V8SharedArrayBuffer.h" |
44 #include "core/dom/DOMArrayBuffer.h" | 45 #include "core/dom/DOMArrayBuffer.h" |
45 #include "core/dom/DOMSharedArrayBuffer.h" | 46 #include "core/dom/DOMSharedArrayBuffer.h" |
46 #include "core/dom/ExceptionCode.h" | 47 #include "core/dom/ExceptionCode.h" |
47 #include "core/dom/MessagePort.h" | 48 #include "core/dom/MessagePort.h" |
48 #include "core/frame/ImageBitmap.h" | 49 #include "core/frame/ImageBitmap.h" |
49 #include "platform/SharedBuffer.h" | 50 #include "platform/SharedBuffer.h" |
50 #include "platform/blob/BlobData.h" | 51 #include "platform/blob/BlobData.h" |
51 #include "platform/heap/Handle.h" | 52 #include "platform/heap/Handle.h" |
52 #include "wtf/Assertions.h" | 53 #include "wtf/Assertions.h" |
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133 HeapHashSet<Member<ImageBitmap>> visited; | 134 HeapHashSet<Member<ImageBitmap>> visited; |
134 for (size_t i = 0; i < imageBitmaps.size(); ++i) { | 135 for (size_t i = 0; i < imageBitmaps.size(); ++i) { |
135 if (visited.contains(imageBitmaps[i])) | 136 if (visited.contains(imageBitmaps[i])) |
136 continue; | 137 continue; |
137 visited.add(imageBitmaps[i]); | 138 visited.add(imageBitmaps[i]); |
138 contents->append(imageBitmaps[i]->transfer()); | 139 contents->append(imageBitmaps[i]->transfer()); |
139 } | 140 } |
140 m_imageBitmapContentsArray = contents.release(); | 141 m_imageBitmapContentsArray = contents.release(); |
141 } | 142 } |
142 | 143 |
| 144 void SerializedScriptValue::transferOffscreenCanvas(v8::Isolate* isolate, const
OffscreenCanvasArray& offscreenCanvases, ExceptionState& exceptionState) |
| 145 { |
| 146 if (!offscreenCanvases.size()) |
| 147 return; |
| 148 |
| 149 HeapHashSet<Member<OffscreenCanvas>> visited; |
| 150 for (size_t i = 0; i < offscreenCanvases.size(); i++) { |
| 151 if (visited.contains(offscreenCanvases[i].get())) |
| 152 continue; |
| 153 if (offscreenCanvases[i]->isNeutered()) { |
| 154 exceptionState.throwDOMException(DataCloneError, "OffscreenCanvas at
index " + String::number(i) + " is already neutered."); |
| 155 return; |
| 156 } |
| 157 if (offscreenCanvases[i]->renderingContext()) { |
| 158 exceptionState.throwDOMException(DataCloneError, "OffscreenCanvas at
index " + String::number(i) + " has an associated context."); |
| 159 return; |
| 160 } |
| 161 visited.add(offscreenCanvases[i].get()); |
| 162 offscreenCanvases[i].get()->setNeutered(); |
| 163 } |
| 164 } |
143 | 165 |
144 void SerializedScriptValue::transferArrayBuffers(v8::Isolate* isolate, const Arr
ayBufferArray& arrayBuffers, ExceptionState& exceptionState) | 166 void SerializedScriptValue::transferArrayBuffers(v8::Isolate* isolate, const Arr
ayBufferArray& arrayBuffers, ExceptionState& exceptionState) |
145 { | 167 { |
146 if (!arrayBuffers.size()) | 168 if (!arrayBuffers.size()) |
147 return; | 169 return; |
148 | 170 |
149 for (size_t i = 0; i < arrayBuffers.size(); ++i) { | 171 for (size_t i = 0; i < arrayBuffers.size(); ++i) { |
150 if (arrayBuffers[i]->isNeutered()) { | 172 if (arrayBuffers[i]->isNeutered()) { |
151 exceptionState.throwDOMException(DataCloneError, "ArrayBuffer at ind
ex " + String::number(i) + " is already neutered."); | 173 exceptionState.throwDOMException(DataCloneError, "ArrayBuffer at ind
ex " + String::number(i) + " is already neutered."); |
152 return; | 174 return; |
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259 return false; | 281 return false; |
260 } | 282 } |
261 transferables.arrayBuffers.append(sharedArrayBuffer); | 283 transferables.arrayBuffers.append(sharedArrayBuffer); |
262 } else if (V8ImageBitmap::hasInstance(transferableObject, isolate)) { | 284 } else if (V8ImageBitmap::hasInstance(transferableObject, isolate)) { |
263 ImageBitmap* imageBitmap = V8ImageBitmap::toImpl(v8::Local<v8::Objec
t>::Cast(transferableObject)); | 285 ImageBitmap* imageBitmap = V8ImageBitmap::toImpl(v8::Local<v8::Objec
t>::Cast(transferableObject)); |
264 if (transferables.imageBitmaps.contains(imageBitmap)) { | 286 if (transferables.imageBitmaps.contains(imageBitmap)) { |
265 exceptionState.throwDOMException(DataCloneError, "ImageBitmap at
index " + String::number(i) + " is a duplicate of an earlier ImageBitmap."); | 287 exceptionState.throwDOMException(DataCloneError, "ImageBitmap at
index " + String::number(i) + " is a duplicate of an earlier ImageBitmap."); |
266 return false; | 288 return false; |
267 } | 289 } |
268 transferables.imageBitmaps.append(imageBitmap); | 290 transferables.imageBitmaps.append(imageBitmap); |
| 291 } else if (V8OffscreenCanvas::hasInstance(transferableObject, isolate))
{ |
| 292 OffscreenCanvas* offscreenCanvas = V8OffscreenCanvas::toImpl(v8::Loc
al<v8::Object>::Cast(transferableObject)); |
| 293 if (transferables.offscreenCanvases.contains(offscreenCanvas)) { |
| 294 exceptionState.throwDOMException(DataCloneError, "OffscreenCanva
s at index " + String::number(i) + " is a duplicate of an earlier OffscreenCanva
s."); |
| 295 return false; |
| 296 } |
| 297 transferables.offscreenCanvases.append(offscreenCanvas); |
269 } else { | 298 } else { |
270 exceptionState.throwTypeError("Value at index " + String::number(i)
+ " does not have a transferable type."); | 299 exceptionState.throwTypeError("Value at index " + String::number(i)
+ " does not have a transferable type."); |
271 return false; | 300 return false; |
272 } | 301 } |
273 } | 302 } |
274 return true; | 303 return true; |
275 } | 304 } |
276 | 305 |
277 void SerializedScriptValue::registerMemoryAllocatedWithCurrentScriptContext() | 306 void SerializedScriptValue::registerMemoryAllocatedWithCurrentScriptContext() |
278 { | 307 { |
279 if (m_externallyAllocatedMemory) | 308 if (m_externallyAllocatedMemory) |
280 return; | 309 return; |
281 m_externallyAllocatedMemory = static_cast<intptr_t>(m_data.length()); | 310 m_externallyAllocatedMemory = static_cast<intptr_t>(m_data.length()); |
282 v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(m_externall
yAllocatedMemory); | 311 v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(m_externall
yAllocatedMemory); |
283 } | 312 } |
284 | 313 |
285 bool SerializedScriptValue::containsTransferableArrayBuffer() const | 314 bool SerializedScriptValue::containsTransferableArrayBuffer() const |
286 { | 315 { |
287 return m_arrayBufferContentsArray && !m_arrayBufferContentsArray->isEmpty(); | 316 return m_arrayBufferContentsArray && !m_arrayBufferContentsArray->isEmpty(); |
288 } | 317 } |
289 | 318 |
290 } // namespace blink | 319 } // namespace blink |
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