inspector/EventLoop.cpp

   1 /*
   2  * Copyright (C) 2011 Apple 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
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #include "config.h"
  27 #include "EventLoop.h"
  28
  29 #if OS(WINDOWS)
  30 #include <windows.h>
  31 #elif PLATFORM(EFL)
  32 #include <Ecore.h>
  33 #elif PLATFORM(GTK)
  34 #include <glib.h>
  35 #endif
  36
  37 namespace Inspector {
  38
  39 #if USE(CF) && !OS(WINDOWS)
  40 CFStringRef EventLoop::remoteInspectorRunLoopMode()
  41 {
  42     return CFSTR("com.apple.JavaScriptCore.remote-inspector-runloop-mode");
  43 }
  44 #endif
  45
  46 void EventLoop::cycle()
  47 {
  48 #if OS(WINDOWS)
  49     MSG msg;
  50     if (!GetMessage(&msg, 0, 0, 0)) {
  51         m_ended = true;
  52         return;
  53     }
  54     TranslateMessage(&msg);
  55     DispatchMessage(&msg);
  56 #elif USE(CF)
  57     // Run the RunLoop in a custom run loop mode to prevent default observers
  58     // to run and potentially evaluate JavaScript in this context while we are
  59     // nested. Only the debugger should control things until we continue.
  60     // FIXME: This is not a perfect solution, as background threads are not
  61     // paused and can still access and evalute script in the JSContext.
  62     CFTimeInterval timeInterval = 0.05;
  63     CFRunLoopRunInMode(remoteInspectorRunLoopMode(), timeInterval, true);
  64 #elif PLATFORM(EFL)
  65     ecore_main_loop_iterate();
  66 #elif PLATFORM(GTK)
  67     g_main_context_iteration(NULL, FALSE);
  68 #endif
  69 }
  70
  71 } // namespace Inspector