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      1 /*
      2  * Copyright (c) 2011 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef PageScriptDebugServer_h
     32 #define PageScriptDebugServer_h
     33 
     34 #if ENABLE(JAVASCRIPT_DEBUGGER)
     35 
     36 #include "ScriptDebugServer.h"
     37 #include <wtf/Forward.h>
     38 
     39 namespace WebCore {
     40 
     41 class Page;
     42 
     43 class PageScriptDebugServer : public ScriptDebugServer {
     44     WTF_MAKE_NONCOPYABLE(PageScriptDebugServer);
     45 public:
     46     static PageScriptDebugServer& shared();
     47 
     48     void addListener(ScriptDebugListener*, Page*);
     49     void removeListener(ScriptDebugListener*, Page*);
     50 
     51     // v8-specific methods.
     52     void setEnabled(bool value) { m_enabled = value; }
     53 
     54     class ClientMessageLoop {
     55     public:
     56         virtual ~ClientMessageLoop() { }
     57         virtual void run(Page*) = 0;
     58         virtual void quitNow() = 0;
     59     };
     60     void setClientMessageLoop(PassOwnPtr<ClientMessageLoop>);
     61 
     62 private:
     63     PageScriptDebugServer();
     64     virtual ~PageScriptDebugServer() { }
     65 
     66     virtual ScriptDebugListener* getDebugListenerForContext(v8::Handle<v8::Context>);
     67     virtual void runMessageLoopOnPause(v8::Handle<v8::Context>);
     68     virtual void quitMessageLoopOnPause();
     69 
     70     typedef HashMap<Page*, ScriptDebugListener*> ListenersMap;
     71     ListenersMap m_listenersMap;
     72     OwnPtr<ClientMessageLoop> m_clientMessageLoop;
     73     Page* m_pausedPage;
     74     bool m_enabled;
     75 };
     76 
     77 } // namespace WebCore
     78 
     79 #endif // ENABLE(JAVASCRIPT_DEBUGGER)
     80 
     81 #endif // PageScriptDebugServer_h
     82