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/*
* libjingle
* Copyright 2004--2013, Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 TALK_EXAMPLES_CHAT_CONSOLETASK_H_
#define TALK_EXAMPLES_CHAT_CONSOLETASK_H_
#include <cstdio>
#include "talk/base/thread.h"
#include "talk/base/sigslot.h"
namespace buzz {
//
// Provides properly threaded console I/O.
//
class ConsoleTask : public talk_base::MessageHandler {
public:
// Arguments:
// thread The main application thread. Input messages get posted through
// this.
explicit ConsoleTask(talk_base::Thread *thread);
// Shuts down the thread associated with this task.
~ConsoleTask();
// Slot for text inputs handler.
sigslot::signal1<const std::string&> TextInputHandler;
// Starts reading lines from the console and passes them to the
// TextInputHandler.
void Start();
// Stops reading lines and shuts down the thread. Cannot be restarted.
void Stop();
// Thread messages (especialy text-input messages) come in through here.
virtual void OnMessage(talk_base::Message *msg);
// printf() style output to the console.
void Print(const char* format, ...);
// Turns on/off the echo of input characters on the console.
// Arguments:
// on If true turns echo on, off otherwise.
static void SetEcho(bool on);
private:
/** Message IDs (for OnMessage()). */
enum {
MSG_START,
MSG_INPUT,
};
// Starts up polling for console input
void RunConsole();
// The main application thread
talk_base::Thread *client_thread_;
// The tread associated with this console object
talk_base::scoped_ptr<talk_base::Thread> console_thread_;
};
} // namespace buzz
#endif // TALK_EXAMPLES_CHAT_CONSOLETASK_H_
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