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      1 /*
      2  * libjingle
      3  * Copyright 2004--2005, Google Inc.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are met:
      7  *
      8  *  1. Redistributions of source code must retain the above copyright notice,
      9  *     this list of conditions and the following disclaimer.
     10  *  2. Redistributions in binary form must reproduce the above copyright notice,
     11  *     this list of conditions and the following disclaimer in the documentation
     12  *     and/or other materials provided with the distribution.
     13  *  3. The name of the author may not be used to endorse or promote products
     14  *     derived from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
     19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #ifndef TALK_EXAMPLES_CALL_CONSOLE_H_
     29 #define TALK_EXAMPLES_CALL_CONSOLE_H_
     30 
     31 #include <cstdio>
     32 
     33 #include "talk/base/thread.h"
     34 #include "talk/base/messagequeue.h"
     35 #include "talk/base/scoped_ptr.h"
     36 
     37 class CallClient;
     38 
     39 class Console : public talk_base::MessageHandler {
     40  public:
     41   Console(talk_base::Thread *thread, CallClient *client);
     42   ~Console();
     43 
     44   // Starts reading lines from the console and giving them to the CallClient.
     45   void Start();
     46   // Stops reading lines. Cannot be restarted.
     47   void Stop();
     48 
     49   virtual void OnMessage(talk_base::Message *msg);
     50 
     51   void SetPrompt(const char *prompt) {
     52     prompt_ = prompt ? std::string(prompt) : std::string("call");
     53   }
     54 
     55   void SetPrompting(bool prompting) {
     56     prompting_ = prompting;
     57     if (prompting)
     58       printf("\n(%s) ", prompt_.c_str());
     59   }
     60 
     61   bool prompting() { return prompting_; }
     62 
     63   void Print(const char* str);
     64   void Print(const std::string& str);
     65   void Printf(const char* format, ...);
     66 
     67   static void SetEcho(bool on);
     68 
     69  private:
     70   enum {
     71     MSG_START,
     72     MSG_INPUT,
     73   };
     74 
     75   void RunConsole();
     76   void ParseLine(std::string &str);
     77 
     78   CallClient *client_;
     79   talk_base::Thread *client_thread_;
     80   talk_base::scoped_ptr<talk_base::Thread> console_thread_;
     81   std::string prompt_;
     82   bool prompting_;
     83 };
     84 
     85 #endif // TALK_EXAMPLES_CALL_CONSOLE_H_
     86