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| 1 /* | 1 /* |
| 2 * Copyright (C) 2013 Google Inc. All Rights Reserved. | 2 * Copyright (C) 2013 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 | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
| 8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
| 10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
| (...skipping 28 matching lines...) Expand all Loading... |
| 39 : m_context(context), | 39 : m_context(context), |
| 40 m_pendingTasksTimer(this, &MainThreadTaskRunner::pendingTasksTimerFired), | 40 m_pendingTasksTimer(this, &MainThreadTaskRunner::pendingTasksTimerFired), |
| 41 m_suspended(false), | 41 m_suspended(false), |
| 42 m_weakFactory(this), | 42 m_weakFactory(this), |
| 43 // Bind a WeakPtr now to avoid data races creating a WeakPtr inside | 43 // Bind a WeakPtr now to avoid data races creating a WeakPtr inside |
| 44 // postTask. | 44 // postTask. |
| 45 m_weakPtr(m_weakFactory.createWeakPtr()) {} | 45 m_weakPtr(m_weakFactory.createWeakPtr()) {} |
| 46 | 46 |
| 47 MainThreadTaskRunner::~MainThreadTaskRunner() {} | 47 MainThreadTaskRunner::~MainThreadTaskRunner() {} |
| 48 | 48 |
| 49 void MainThreadTaskRunner::postTaskInternal( | |
| 50 const WebTraceLocation& location, | |
| 51 std::unique_ptr<ExecutionContextTask> task, | |
| 52 bool isInspectorTask, | |
| 53 bool instrumenting) { | |
| 54 Platform::current()->mainThread()->getWebTaskRunner()->postTask( | |
| 55 location, | |
| 56 crossThreadBind(&MainThreadTaskRunner::perform, m_weakPtr, | |
| 57 passed(std::move(task)), isInspectorTask, instrumenting)); | |
| 58 } | |
| 59 | |
| 60 void MainThreadTaskRunner::postTask(const WebTraceLocation& location, | 49 void MainThreadTaskRunner::postTask(const WebTraceLocation& location, |
| 61 std::unique_ptr<ExecutionContextTask> task, | 50 std::unique_ptr<ExecutionContextTask> task, |
| 62 const String& taskNameForInstrumentation) { | 51 const String& taskNameForInstrumentation) { |
| 63 if (!taskNameForInstrumentation.isEmpty()) | 52 if (!taskNameForInstrumentation.isEmpty()) |
| 64 InspectorInstrumentation::asyncTaskScheduled( | 53 InspectorInstrumentation::asyncTaskScheduled( |
| 65 m_context, taskNameForInstrumentation, task.get()); | 54 m_context, taskNameForInstrumentation, task.get()); |
| 66 const bool instrumenting = !taskNameForInstrumentation.isEmpty(); | 55 const bool instrumenting = !taskNameForInstrumentation.isEmpty(); |
| 67 postTaskInternal(location, std::move(task), false, instrumenting); | 56 Platform::current()->mainThread()->getWebTaskRunner()->postTask( |
| 68 } | 57 location, crossThreadBind(&MainThreadTaskRunner::perform, m_weakPtr, |
| 69 | 58 passed(std::move(task)), instrumenting)); |
| 70 void MainThreadTaskRunner::postInspectorTask( | |
| 71 const WebTraceLocation& location, | |
| 72 std::unique_ptr<ExecutionContextTask> task) { | |
| 73 postTaskInternal(location, std::move(task), true, false); | |
| 74 } | 59 } |
| 75 | 60 |
| 76 void MainThreadTaskRunner::perform(std::unique_ptr<ExecutionContextTask> task, | 61 void MainThreadTaskRunner::perform(std::unique_ptr<ExecutionContextTask> task, |
| 77 bool isInspectorTask, | |
| 78 bool instrumenting) { | 62 bool instrumenting) { |
| 79 // If the owner m_context is about to be swept then it | 63 // If the owner m_context is about to be swept then it |
| 80 // is no longer safe to access. | 64 // is no longer safe to access. |
| 81 if (ThreadHeap::willObjectBeLazilySwept(m_context.get())) | 65 if (ThreadHeap::willObjectBeLazilySwept(m_context.get())) |
| 82 return; | 66 return; |
| 83 | 67 |
| 84 if (!isInspectorTask && | 68 if (m_context->tasksNeedSuspension() || !m_pendingTasks.isEmpty()) { |
| 85 (m_context->tasksNeedSuspension() || !m_pendingTasks.isEmpty())) { | |
| 86 m_pendingTasks.append(make_pair(std::move(task), instrumenting)); | 69 m_pendingTasks.append(make_pair(std::move(task), instrumenting)); |
| 87 return; | 70 return; |
| 88 } | 71 } |
| 89 | 72 |
| 90 InspectorInstrumentation::AsyncTask asyncTask(m_context, task.get(), | 73 InspectorInstrumentation::AsyncTask asyncTask(m_context, task.get(), |
| 91 !isInspectorTask); | 74 instrumenting); |
| 92 task->performTask(m_context); | 75 task->performTask(m_context); |
| 93 } | 76 } |
| 94 | 77 |
| 95 void MainThreadTaskRunner::suspend() { | 78 void MainThreadTaskRunner::suspend() { |
| 96 DCHECK(!m_suspended); | 79 DCHECK(!m_suspended); |
| 97 m_pendingTasksTimer.stop(); | 80 m_pendingTasksTimer.stop(); |
| 98 m_suspended = true; | 81 m_suspended = true; |
| 99 } | 82 } |
| 100 | 83 |
| 101 void MainThreadTaskRunner::resume() { | 84 void MainThreadTaskRunner::resume() { |
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| 117 std::move(m_pendingTasks[0].first); | 100 std::move(m_pendingTasks[0].first); |
| 118 const bool instrumenting = m_pendingTasks[0].second; | 101 const bool instrumenting = m_pendingTasks[0].second; |
| 119 m_pendingTasks.remove(0); | 102 m_pendingTasks.remove(0); |
| 120 InspectorInstrumentation::AsyncTask asyncTask(m_context, task.get(), | 103 InspectorInstrumentation::AsyncTask asyncTask(m_context, task.get(), |
| 121 instrumenting); | 104 instrumenting); |
| 122 task->performTask(m_context); | 105 task->performTask(m_context); |
| 123 } | 106 } |
| 124 } | 107 } |
| 125 | 108 |
| 126 } // namespace blink | 109 } // namespace blink |
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