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-rw-r--r--Source/WebKit/android/smoke/MessageThread.h108
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diff --git a/Source/WebKit/android/smoke/MessageThread.h b/Source/WebKit/android/smoke/MessageThread.h
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--- a/Source/WebKit/android/smoke/MessageThread.h
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-/*
- * Copyright 2010, The Android Open Source Project
- *
- * 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.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``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.
- */
-
-#ifndef MessageThread_h
-#define MessageThread_h
-
-#include <list>
-
-#include "MessageTypes.h"
-
-#include <utils/threads.h>
-
-using std::list;
-
-namespace android {
-
-class MessageQueue {
-public:
- MessageQueue() {}
-
- // Return true if the queue has messages with the given object and member
- // function. If member is null, return true if the message has the same
- // object.
- template <class T>
- bool hasMessages(T* object, void (T::*member)(void));
-
- // Remove all messages with the given object and member function. If
- // member is null, remove all messages with the given object.
- template <class T>
- void remove(T* object, void (T::*member)(void));
-
- // Post a new message to the queue.
- void post(Message* closure);
-
- // Post a new message at the front of the queue.
- void postAtFront(Message* closure);
-
- // Obtain the next message. Blocks until either a new message arrives or
- // we reach the time of the next message.
- Message* next();
-
-private:
- bool hasMessages(const Message& message);
- void remove(const Message& message);
-
- list<Message*> m_messages;
- Mutex m_mutex;
- Condition m_condition;
-};
-
-template <class T>
-bool MessageQueue::hasMessages(T* object, void (T::*member)(void)) {
- MemberFunctionMessage<T, void> message(object, member);
- return hasMessages(message);
-}
-
-template <class T>
-void MessageQueue::remove(T* object, void (T::*member)(void)) {
- MemberFunctionMessage<T, void> message(object, member);
- remove(message);
-}
-
-class MessageThread : public Thread {
-public:
- MessageQueue& queue() { return m_queue; }
-
-private:
- MessageThread() : Thread(true /* canCallJava */) {}
-
- virtual bool threadLoop();
-
- MessageQueue m_queue;
- // Used for thread initialization
- Mutex m_mutex;
- Condition m_condition;
-
- friend MessageThread* messageThread();
-};
-
-// Get (possibly creating) the global MessageThread object used to pass
-// messages to WebCore.
-MessageThread* messageThread();
-
-} // namespace android
-
-#endif // MessageThread_h