9989c9bb16
BUG=68682 TEST=compiles Review URL: http://codereview.chromium.org/6189001 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@70771 0039d316-1c4b-4281-b951-d872f2087c98
50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
// Copyright (c) 2010 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/task_queue.h"
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#include "base/logging.h"
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#include "base/stl_util-inl.h"
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TaskQueue::TaskQueue() {
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}
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TaskQueue::~TaskQueue() {
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// We own all the pointes in |queue_|. It is our job to delete them.
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STLDeleteElements(&queue_);
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}
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void TaskQueue::Push(Task* task) {
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DCHECK(task);
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// Add the task to the back of the queue.
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queue_.push_back(task);
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}
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void TaskQueue::Clear() {
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// Delete all the elements in the queue and clear the dead pointers.
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STLDeleteElements(&queue_);
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}
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bool TaskQueue::IsEmpty() const {
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return queue_.empty();
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}
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void TaskQueue::Run() {
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// Nothing to run if our queue is empty.
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if (queue_.empty())
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return;
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std::deque<Task*> ready;
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queue_.swap(ready);
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// Run the tasks that are ready.
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std::deque<Task*>::const_iterator task;
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for (task = ready.begin(); task != ready.end(); ++task) {
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// Run the task and then delete it.
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(*task)->Run();
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delete (*task);
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}
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}
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