Add JingleThreadWrapper.

JingleThreadWrapper wraps chromium thread with a talk_base::Thread interface.

BUG=None
TEST=Unittests

Review URL: http://codereview.chromium.org/6747017

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@79576 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 155 insertions, 0 deletions

diff --git a/jingle/glue/thread_wrapper.cc b/jingle/glue/thread_wrapper.cc
new file mode 100644
index 0000000..f4551de
--- /dev/null
+++ b/jingle/glue/thread_wrapper.cc
@@ -0,0 +1,155 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "jingle/glue/thread_wrapper.h"
+
+namespace jingle_glue {
+
+JingleThreadWrapper::JingleThreadWrapper(MessageLoop* message_loop)
+    : message_loop_(message_loop) {
+  DCHECK_EQ(message_loop_, MessageLoop::current());
+
+  talk_base::ThreadManager::SetCurrent(this);
+  message_loop_->AddDestructionObserver(this);
+}
+
+JingleThreadWrapper::~JingleThreadWrapper() {
+}
+
+void JingleThreadWrapper::WillDestroyCurrentMessageLoop() {
+  talk_base::ThreadManager::SetCurrent(NULL);
+  message_loop_->RemoveDestructionObserver(this);
+  delete this;
+}
+
+void JingleThreadWrapper::Post(
+    talk_base::MessageHandler* handler, uint32 message_id,
+    talk_base::MessageData* data, bool time_sensitive) {
+  PostTaskInternal(0, handler, message_id, data);
+}
+
+void JingleThreadWrapper::PostDelayed(
+    int delay_ms, talk_base::MessageHandler* handler,
+    uint32 message_id, talk_base::MessageData* data) {
+  PostTaskInternal(delay_ms, handler, message_id, data);
+}
+
+void JingleThreadWrapper::Clear(talk_base::MessageHandler* handler, uint32 id,
+                                talk_base::MessageList* removed) {
+  base::AutoLock auto_lock(lock_);
+
+  for (MessagesQueue::iterator it = messages_.begin();
+       it != messages_.end();) {
+    if (it->second.Match(handler, id)) {
+      if (removed) {
+        removed->push_back(it->second);
+      } else {
+        delete it->second.pdata;
+      }
+      MessagesQueue::iterator next = it;
+      ++next;
+      messages_.erase(it);
+      it = next;
+    } else {
+      ++it;
+    }
+  }
+}
+
+void JingleThreadWrapper::PostTaskInternal(
+    int delay_ms, talk_base::MessageHandler* handler,
+    uint32 message_id, talk_base::MessageData* data) {
+  int task_id;
+  talk_base::Message message;
+  message.phandler = handler;
+  message.message_id = message_id;
+  message.pdata = data;
+  {
+    base::AutoLock auto_lock(lock_);
+    task_id = ++last_task_id_;
+    messages_.insert(std::pair<int, talk_base::Message>(task_id, message));
+  }
+
+  if (delay_ms <= 0) {
+    message_loop_->PostTask(FROM_HERE, NewRunnableMethod(
+        this, &JingleThreadWrapper::RunTask, task_id));
+  } else {
+    message_loop_->PostDelayedTask(
+        FROM_HERE,
+        NewRunnableMethod(this, &JingleThreadWrapper::RunTask, task_id),
+        delay_ms);
+  }
+}
+
+void JingleThreadWrapper::RunTask(int task_id) {
+  bool have_message = false;
+  talk_base::Message message;
+  {
+    base::AutoLock auto_lock(lock_);
+    MessagesQueue::iterator it = messages_.find(task_id);
+    if (it != messages_.end()) {
+      have_message = true;
+      message = it->second;
+      messages_.erase(it);
+    }
+  }
+
+  if (have_message) {
+    message.phandler->OnMessage(&message);
+    delete message.pdata;
+  }
+}
+
+// All methods below are marked as not reached. See comments in the
+// header for more details.
+void JingleThreadWrapper::Quit() {
+  NOTREACHED();
+}
+
+bool JingleThreadWrapper::IsQuitting() {
+  NOTREACHED();
+  return false;
+}
+
+void JingleThreadWrapper::Restart() {
+  NOTREACHED();
+}
+
+bool JingleThreadWrapper::Get(talk_base::Message*, int, bool) {
+  NOTREACHED();
+  return false;
+}
+
+bool JingleThreadWrapper::Peek(talk_base::Message*, int) {
+  NOTREACHED();
+  return false;
+}
+
+void JingleThreadWrapper::PostAt(uint32, talk_base::MessageHandler*,
+                                 uint32, talk_base::MessageData*) {
+  NOTREACHED();
+}
+
+void JingleThreadWrapper::Dispatch(talk_base::Message* msg) {
+  NOTREACHED();
+}
+
+void JingleThreadWrapper::ReceiveSends() {
+  NOTREACHED();
+}
+
+int JingleThreadWrapper::GetDelay() {
+  NOTREACHED();
+  return 0;
+}
+
+void JingleThreadWrapper::Stop() {
+  NOTREACHED();
+}
+
+void JingleThreadWrapper::Run() {
+  NOTREACHED();
+}
+
+}  // namespace jingle_glue