OLD | NEW |
1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 "bindings/core/v8/ScriptStreamer.h" | 5 #include "bindings/core/v8/ScriptStreamer.h" |
6 | 6 |
7 #include <memory> | 7 #include <memory> |
8 #include "bindings/core/v8/ScriptStreamerThread.h" | 8 #include "bindings/core/v8/ScriptStreamerThread.h" |
9 #include "bindings/core/v8/V8ScriptRunner.h" | 9 #include "bindings/core/v8/V8ScriptRunner.h" |
10 #include "core/dom/Document.h" | 10 #include "core/dom/Document.h" |
(...skipping 235 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
246 DCHECK(streamer->resource()); | 246 DCHECK(streamer->resource()); |
247 | 247 |
248 if (!streamer->resource()->response().cacheStorageCacheName().isNull()) { | 248 if (!streamer->resource()->response().cacheStorageCacheName().isNull()) { |
249 streamer->suppressStreaming(); | 249 streamer->suppressStreaming(); |
250 cancel(); | 250 cancel(); |
251 return; | 251 return; |
252 } | 252 } |
253 | 253 |
254 CachedMetadataHandler* cacheHandler = streamer->resource()->cacheHandler(); | 254 CachedMetadataHandler* cacheHandler = streamer->resource()->cacheHandler(); |
255 RefPtr<CachedMetadata> codeCache( | 255 RefPtr<CachedMetadata> codeCache( |
256 cacheHandler | 256 cacheHandler ? cacheHandler->cachedMetadata( |
257 ? cacheHandler->cachedMetadata( | 257 V8ScriptRunner::tagForCodeCache(cacheHandler)) |
258 V8ScriptRunner::tagForCodeCache(cacheHandler)) | 258 : nullptr); |
259 : nullptr); | |
260 if (codeCache.get()) { | 259 if (codeCache.get()) { |
261 // The resource has a code cache, so it's unnecessary to stream and | 260 // The resource has a code cache, so it's unnecessary to stream and |
262 // parse the code. Cancel the streaming and resume the non-streaming | 261 // parse the code. Cancel the streaming and resume the non-streaming |
263 // code path. | 262 // code path. |
264 streamer->suppressStreaming(); | 263 streamer->suppressStreaming(); |
265 cancel(); | 264 cancel(); |
266 return; | 265 return; |
267 } | 266 } |
268 | 267 |
269 if (!m_resourceBuffer) { | 268 if (!m_resourceBuffer) { |
(...skipping 96 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
366 void ScriptStreamer::streamingCompleteOnBackgroundThread() { | 365 void ScriptStreamer::streamingCompleteOnBackgroundThread() { |
367 DCHECK(!isMainThread()); | 366 DCHECK(!isMainThread()); |
368 { | 367 { |
369 MutexLocker locker(m_mutex); | 368 MutexLocker locker(m_mutex); |
370 m_parsingFinished = true; | 369 m_parsingFinished = true; |
371 } | 370 } |
372 | 371 |
373 // notifyFinished might already be called, or it might be called in the | 372 // notifyFinished might already be called, or it might be called in the |
374 // future (if the parsing finishes earlier because of a parse error). | 373 // future (if the parsing finishes earlier because of a parse error). |
375 m_loadingTaskRunner->postTask( | 374 m_loadingTaskRunner->postTask( |
376 BLINK_FROM_HERE, crossThreadBind(&ScriptStreamer::streamingComplete, | 375 BLINK_FROM_HERE, |
377 wrapCrossThreadPersistent(this))); | 376 crossThreadBind(&ScriptStreamer::streamingComplete, |
| 377 wrapCrossThreadPersistent(this))); |
378 | 378 |
379 // The task might delete ScriptStreamer, so it's not safe to do anything | 379 // The task might delete ScriptStreamer, so it's not safe to do anything |
380 // after posting it. Note that there's no way to guarantee that this | 380 // after posting it. Note that there's no way to guarantee that this |
381 // function has returned before the task is ran - however, we should not | 381 // function has returned before the task is ran - however, we should not |
382 // access the "this" object after posting the task. (Especially, we should | 382 // access the "this" object after posting the task. (Especially, we should |
383 // not be holding the mutex at this point.) | 383 // not be holding the mutex at this point.) |
384 } | 384 } |
385 | 385 |
386 void ScriptStreamer::cancel() { | 386 void ScriptStreamer::cancel() { |
387 DCHECK(isMainThread()); | 387 DCHECK(isMainThread()); |
(...skipping 235 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
623 // needed. This makes PendingScript notify the ScriptStreamer when it is | 623 // needed. This makes PendingScript notify the ScriptStreamer when it is |
624 // destroyed. | 624 // destroyed. |
625 script->setStreamer(ScriptStreamer::create(script, scriptType, scriptState, | 625 script->setStreamer(ScriptStreamer::create(script, scriptType, scriptState, |
626 compileOption, | 626 compileOption, |
627 std::move(loadingTaskRunner))); | 627 std::move(loadingTaskRunner))); |
628 | 628 |
629 return true; | 629 return true; |
630 } | 630 } |
631 | 631 |
632 } // namespace blink | 632 } // namespace blink |
OLD | NEW |