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Unified Diff: ui/cc/cc/CCTimeSource.h

Issue 10701016: Initial import attempt, just to play with. Many things disabled/removed (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 8 years, 6 months ago
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Index: ui/cc/cc/CCTimeSource.h
diff --git a/ui/cc/cc/CCTimeSource.h b/ui/cc/cc/CCTimeSource.h
new file mode 100644
index 0000000000000000000000000000000000000000..dccb470a6383e304db116a5b9df91de56068e085
--- /dev/null
+++ b/ui/cc/cc/CCTimeSource.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2011 Google Inc. 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 INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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.
+ */
+
+#ifndef CCTimeSource_h
+#define CCTimeSource_h
+
+#include <wtf/RefCounted.h>
+
+namespace WebCore {
+
+class CCThread;
+
+class CCTimeSourceClient {
+public:
+ virtual void onTimerTick() = 0;
+
+protected:
+ virtual ~CCTimeSourceClient() { }
+};
+
+// An generic interface for getting a reliably-ticking timesource of
+// a specified rate.
+//
+// Be sure to call setActive(false) before releasing your reference to the
+// timer, or it will keep on ticking!
+class CCTimeSource : public RefCounted<CCTimeSource> {
+public:
+ virtual ~CCTimeSource() { }
+ virtual void setClient(CCTimeSourceClient*) = 0;
+ virtual void setActive(bool) = 0;
+ virtual bool active() const = 0;
+};
+
+}
+#endif // CCSmoothedTimer_h
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