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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 #include "core/html/canvas/CanvasAsyncBlobCreator.h" | 5 #include "core/html/canvas/CanvasAsyncBlobCreator.h" |
6 | 6 |
7 #include "core/fileapi/Blob.h" | 7 #include "core/fileapi/Blob.h" |
8 #include "platform/ThreadSafeFunctional.h" | 8 #include "platform/ThreadSafeFunctional.h" |
9 #include "platform/graphics/ImageBuffer.h" | 9 #include "platform/graphics/ImageBuffer.h" |
10 #include "platform/image-encoders/JPEGImageEncoder.h" | 10 #include "platform/image-encoders/JPEGImageEncoder.h" |
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249 } | 249 } |
250 | 250 |
251 this->signalAlternativeCodePathFinishedForTesting(); | 251 this->signalAlternativeCodePathFinishedForTesting(); |
252 } | 252 } |
253 | 253 |
254 void CanvasAsyncBlobCreator::createBlobAndInvokeCallback() | 254 void CanvasAsyncBlobCreator::createBlobAndInvokeCallback() |
255 { | 255 { |
256 ASSERT(isMainThread()); | 256 ASSERT(isMainThread()); |
257 Blob* resultBlob = Blob::create(m_encodedImage->data(), m_encodedImage->size (), convertMimeTypeEnumToString(m_mimeType)); | 257 Blob* resultBlob = Blob::create(m_encodedImage->data(), m_encodedImage->size (), convertMimeTypeEnumToString(m_mimeType)); |
258 Platform::current()->mainThread()->getWebTaskRunner()->postTask(BLINK_FROM_H ERE, bind(&BlobCallback::handleEvent, m_callback, resultBlob)); | 258 Platform::current()->mainThread()->getWebTaskRunner()->postTask(BLINK_FROM_H ERE, bind(&BlobCallback::handleEvent, m_callback, resultBlob)); |
259 // Since toBlob is done, timeout events are no longer needed. So we clear | |
sof
2016/06/13 06:15:26
This CL may have introduced some leaks
https://b
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260 // non-GC members to allow teardown of CanvasAsyncBlobCreator. | |
261 m_data.clear(); | |
262 m_callback.clear(); | |
263 } | 259 } |
264 | 260 |
265 void CanvasAsyncBlobCreator::createNullAndInvokeCallback() | 261 void CanvasAsyncBlobCreator::createNullAndInvokeCallback() |
266 { | 262 { |
267 ASSERT(isMainThread()); | 263 ASSERT(isMainThread()); |
268 Platform::current()->mainThread()->getWebTaskRunner()->postTask(BLINK_FROM_H ERE, bind(&BlobCallback::handleEvent, m_callback, nullptr)); | 264 Platform::current()->mainThread()->getWebTaskRunner()->postTask(BLINK_FROM_H ERE, bind(&BlobCallback::handleEvent, m_callback, nullptr)); |
269 // Since toBlob is done (failed), timeout events are no longer needed. So we | |
270 // clear non-GC members to allow teardown of CanvasAsyncBlobCreator. | |
271 m_data.clear(); | |
272 m_callback.clear(); | |
273 } | 265 } |
274 | 266 |
275 void CanvasAsyncBlobCreator::encodeImageOnEncoderThread(double quality) | 267 void CanvasAsyncBlobCreator::encodeImageOnEncoderThread(double quality) |
276 { | 268 { |
277 ASSERT(!isMainThread()); | 269 ASSERT(!isMainThread()); |
278 ASSERT(m_mimeType == MimeTypeWebp); | 270 ASSERT(m_mimeType == MimeTypeWebp); |
279 | 271 |
280 if (!ImageDataBuffer(m_size, m_data->data()).encodeImage("image/webp", quali ty, m_encodedImage.get())) { | 272 if (!ImageDataBuffer(m_size, m_data->data()).encodeImage("image/webp", quali ty, m_encodedImage.get())) { |
281 Platform::current()->mainThread()->getWebTaskRunner()->postTask(BLINK_FR OM_HERE, threadSafeBind(&BlobCallback::handleEvent, wrapCrossThreadPersistent(m_ callback.get()), nullptr)); | 273 Platform::current()->mainThread()->getWebTaskRunner()->postTask(BLINK_FR OM_HERE, threadSafeBind(&BlobCallback::handleEvent, wrapCrossThreadPersistent(m_ callback.get()), nullptr)); |
282 return; | 274 return; |
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361 } | 353 } |
362 } | 354 } |
363 | 355 |
364 void CanvasAsyncBlobCreator::postDelayedTaskToMainThread(const WebTraceLocation& location, std::unique_ptr<SameThreadClosure> task, double delayMs) | 356 void CanvasAsyncBlobCreator::postDelayedTaskToMainThread(const WebTraceLocation& location, std::unique_ptr<SameThreadClosure> task, double delayMs) |
365 { | 357 { |
366 DCHECK(isMainThread()); | 358 DCHECK(isMainThread()); |
367 Platform::current()->mainThread()->getWebTaskRunner()->postDelayedTask(locat ion, std::move(task), delayMs); | 359 Platform::current()->mainThread()->getWebTaskRunner()->postDelayedTask(locat ion, std::move(task), delayMs); |
368 } | 360 } |
369 | 361 |
370 } // namespace blink | 362 } // namespace blink |
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