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Diffstat (limited to 'WebCore/platform/gtk/SharedTimerGtk.cpp')
-rw-r--r-- | WebCore/platform/gtk/SharedTimerGtk.cpp | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/WebCore/platform/gtk/SharedTimerGtk.cpp b/WebCore/platform/gtk/SharedTimerGtk.cpp new file mode 100644 index 0000000..e0a5b60 --- /dev/null +++ b/WebCore/platform/gtk/SharedTimerGtk.cpp @@ -0,0 +1,83 @@ +/* + * Copyright (C) 2006 Apple Computer, Inc. All rights reserved. + * Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com + * All rights reserved. + * + * 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. + * + * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. OR + * CONTRIBUTORS 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. + */ + +#include "config.h" +#include "SharedTimer.h" + +#include "SystemTime.h" +#include <wtf/Assertions.h> +#include <glib.h> + +namespace WebCore { + +static guint sharedTimer; +static void (*sharedTimerFiredFunction)(); + +void setSharedTimerFiredFunction(void (*f)()) +{ + sharedTimerFiredFunction = f; +} + +static gboolean timeout_cb(gpointer) +{ + if (sharedTimerFiredFunction) + sharedTimerFiredFunction(); + return FALSE; +} + +void setSharedTimerFireTime(double fireTime) +{ + ASSERT(sharedTimerFiredFunction); + + double interval = fireTime - currentTime(); + guint intervalInMS; + if (interval < 0) + intervalInMS = 0; + else { + interval *= 1000; + intervalInMS = (guint)interval; + } + + stopSharedTimer(); + if (intervalInMS == 0) + sharedTimer = g_idle_add(timeout_cb, NULL); + else + sharedTimer = g_timeout_add_full(G_PRIORITY_DEFAULT, intervalInMS, timeout_cb, NULL, NULL); +} + +void stopSharedTimer() +{ + gboolean s = FALSE; + if (sharedTimer == 0) + return; + + s = g_source_remove(sharedTimer); + ASSERT(s); + sharedTimer = 0; +} + +} |