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 USE(GLIB)
32#include <glib.h>
33#endif
34
35namespace Inspector {
36
37#if USE(CF) && !OS(WINDOWS)
38CFStringRef EventLoop::remoteInspectorRunLoopMode()
39{
40 return CFSTR("com.apple.JavaScriptCore.remote-inspector-runloop-mode");
41}
42#endif
43
44void EventLoop::cycle()
45{
46#if OS(WINDOWS)
47 MSG msg;
48 if (!GetMessage(&msg, 0, 0, 0)) {
49 m_ended = true;
50 return;
51 }
52 TranslateMessage(&msg);
53 DispatchMessage(&msg);
54#elif PLATFORM(WATCHOS)
55 // FIXME: <rdar://problem/25972777>. In order for auto-attach to work, we need to
56 // run in the default run loop mode otherwise we do not receive the XPC messages
57 // necessary to setup the relay connection and negotiate an auto-attach debugger.
58 CFTimeInterval timeInterval = 0.05;
59 CFRunLoopRunInMode(kCFRunLoopDefaultMode, timeInterval, true);
60#elif USE(CF)
61 // Run the RunLoop in a custom run loop mode to prevent default observers
62 // to run and potentially evaluate JavaScript in this context while we are
63 // nested. Only the debugger should control things until we continue.
64 // FIXME: This is not a perfect solution, as background threads are not
65 // paused and can still access and evalute script in the JSContext.
66 CFTimeInterval timeInterval = 0.05;
67 CFRunLoopRunInMode(remoteInspectorRunLoopMode(), timeInterval, true);
68#elif USE(GLIB)
69 g_main_context_iteration(NULL, FALSE);
70#endif
71}
72
73} // namespace Inspector
74