Add chrome to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 71 insertions, 0 deletions

diff --git a/chrome/common/task_queue.cc b/chrome/common/task_queue.cc
new file mode 100644
index 0000000..133e66a
--- /dev/null
+++ b/chrome/common/task_queue.cc
@@ -0,0 +1,71 @@
+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "chrome/common/stl_util-inl.h"
+
+#include "chrome/common/task_queue.h"
+
+TaskQueue::TaskQueue() {
+}
+
+TaskQueue::~TaskQueue() {
+  // We own all the pointes in |queue_|.  It is our job to delete them.
+  STLDeleteElements(&queue_);
+}
+
+void TaskQueue::Run() {
+  // Nothing to run if our queue is empty.
+  if (queue_.empty())
+    return;
+
+  std::deque<Task*> ready;
+  queue_.swap(ready);
+
+  // Run the tasks that are ready.
+  std::deque<Task*>::const_iterator task;
+  for (task = ready.begin(); task != ready.end(); ++task) {
+    // Run the task and then delete it.
+    (*task)->Run();
+    delete (*task);
+  }
+}
+
+void TaskQueue::Push(Task* task) {
+  // Add the task to the back of the queue.
+  queue_.push_back(task);
+}
+
+void TaskQueue::Clear() {
+  // Delete all the elements in the queue and clear the dead pointers.
+  STLDeleteElements(&queue_);
+}
+
+bool TaskQueue::Empty() const {
+  return queue_.empty();
+}