f5661ca939
BUG=76996 TEST=none Review URL: http://codereview.chromium.org/6729002 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@79303 0039d316-1c4b-4281-b951-d872f2087c98
45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
// Copyright (c) 2011 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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#ifndef BASE_TASK_QUEUE_H_
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#define BASE_TASK_QUEUE_H_
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#pragma once
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#include <deque>
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#include "base/base_api.h"
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#include "base/task.h"
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// A TaskQueue is a queue of tasks waiting to be run. To run the tasks, call
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// the Run method. A task queue is itself a Task so that it can be placed in a
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// message loop or another task queue.
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class BASE_API TaskQueue : public Task {
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public:
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TaskQueue();
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~TaskQueue();
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// Push the specified task onto the queue. When the queue is run, the tasks
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// will be run in the order they are pushed.
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//
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// This method takes ownership of |task| and will delete task after it is run
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// (or when the TaskQueue is destroyed, if we never got a chance to run it).
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void Push(Task* task);
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// Remove all tasks from the queue. The tasks are deleted.
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void Clear();
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// Returns true if this queue contains no tasks.
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bool IsEmpty() const;
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// Run all the tasks in the queue. New tasks pushed onto the queue during
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// a run will be run next time |Run| is called.
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virtual void Run();
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private:
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// The list of tasks we are waiting to run.
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std::deque<Task*> queue_;
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};
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#endif // BASE_TASK_QUEUE_H_
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