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| 1 /* | |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Neither the name of Google Inc. nor the names of its | |
| 11 * contributors may be used to endorse or promote products derived from | |
| 12 * this software without specific prior written permission. | |
| 13 * | |
| 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 15 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 17 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 18 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 25 */ | |
| 26 | |
| 27 #ifndef MainThreadTaskRunner_h | |
| 28 #define MainThreadTaskRunner_h | |
| 29 | |
| 30 #include "core/CoreExport.h" | |
| 31 #include "platform/heap/Handle.h" | |
| 32 #include "public/platform/WebTraceLocation.h" | |
| 33 #include "wtf/Allocator.h" | |
| 34 #include "wtf/Noncopyable.h" | |
| 35 #include "wtf/PtrUtil.h" | |
| 36 #include "wtf/WeakPtr.h" | |
| 37 #include "wtf/text/WTFString.h" | |
| 38 #include <memory> | |
| 39 | |
| 40 namespace blink { | |
| 41 | |
| 42 class ExecutionContext; | |
| 43 class ExecutionContextTask; | |
| 44 | |
| 45 class CORE_EXPORT MainThreadTaskRunner final { | |
| 46 USING_FAST_MALLOC(MainThreadTaskRunner); | |
| 47 WTF_MAKE_NONCOPYABLE(MainThreadTaskRunner); | |
| 48 | |
| 49 public: | |
| 50 static std::unique_ptr<MainThreadTaskRunner> create(ExecutionContext*); | |
| 51 | |
| 52 ~MainThreadTaskRunner(); | |
| 53 | |
| 54 DECLARE_TRACE(); | |
| 55 | |
| 56 // Executes the task on context's thread asynchronously. | |
| 57 void postTask(const WebTraceLocation&, | |
| 58 std::unique_ptr<ExecutionContextTask>, | |
| 59 const String& taskNameForInstrumentation = emptyString()); | |
| 60 | |
| 61 void perform(std::unique_ptr<ExecutionContextTask>, | |
| 62 bool instrumenting); | |
| 63 | |
| 64 private: | |
| 65 explicit MainThreadTaskRunner(ExecutionContext*); | |
| 66 | |
| 67 // Untraced back reference to the owner Document; | |
| 68 // this object has identical lifetime to it. | |
| 69 UntracedMember<ExecutionContext> m_context; | |
| 70 WeakPtrFactory<MainThreadTaskRunner> m_weakFactory; | |
| 71 WeakPtr<MainThreadTaskRunner> m_weakPtr; | |
| 72 }; | |
| 73 | |
| 74 inline std::unique_ptr<MainThreadTaskRunner> MainThreadTaskRunner::create( | |
| 75 ExecutionContext* context) { | |
| 76 return wrapUnique(new MainThreadTaskRunner(context)); | |
| 77 } | |
| 78 | |
| 79 } // namespace blink | |
| 80 | |
| 81 #endif | |
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Chromium Code Reviews
Issue 2543723005:
Remove MainThreadTaskRunner (Closed)
