Index: Source/core/dom/FrameRequestCallbackCollection.cpp |
diff --git a/Source/core/dom/FrameRequestCallbackCollection.cpp b/Source/core/dom/FrameRequestCallbackCollection.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..413600ab90928fa6f3cfbe6d97f0cd3d6acc1449 |
--- /dev/null |
+++ b/Source/core/dom/FrameRequestCallbackCollection.cpp |
@@ -0,0 +1,85 @@ |
+// Copyright 2015 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "config.h" |
+#include "core/dom/FrameRequestCallbackCollection.h" |
+ |
+#include "core/dom/FrameRequestCallback.h" |
+#include "core/inspector/InspectorInstrumentation.h" |
+#include "core/inspector/InspectorTraceEvents.h" |
+ |
+namespace blink { |
+ |
+FrameRequestCallbackCollection::FrameRequestCallbackCollection(ExecutionContext* context) |
+ : m_context(context) |
+{ |
+} |
+ |
+FrameRequestCallbackCollection::CallbackId FrameRequestCallbackCollection::registerCallback(FrameRequestCallback* callback) |
+{ |
+ FrameRequestCallbackCollection::CallbackId id = ++m_nextCallbackId; |
+ callback->m_cancelled = false; |
+ callback->m_id = id; |
+ m_callbacks.append(callback); |
+ |
+ TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "RequestAnimationFrame", "data", InspectorAnimationFrameEvent::data(m_context, id)); |
+ InspectorInstrumentation::didRequestAnimationFrame(m_context, id); |
+ |
+ return id; |
+} |
+ |
+void FrameRequestCallbackCollection::cancelCallback(CallbackId id) |
+{ |
+ for (size_t i = 0; i < m_callbacks.size(); ++i) { |
+ if (m_callbacks[i]->m_id == id) { |
+ m_callbacks.remove(i); |
+ TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "CancelAnimationFrame", "data", InspectorAnimationFrameEvent::data(m_context, id)); |
+ InspectorInstrumentation::didCancelAnimationFrame(m_context, id); |
+ return; |
+ } |
+ } |
+ for (size_t i = 0; i < m_callbacksToInvoke.size(); ++i) { |
+ if (m_callbacksToInvoke[i]->m_id == id) { |
+ TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "CancelAnimationFrame", "data", InspectorAnimationFrameEvent::data(m_context, id)); |
+ InspectorInstrumentation::didCancelAnimationFrame(m_context, id); |
+ m_callbacksToInvoke[i]->m_cancelled = true; |
+ // will be removed at the end of executeCallbacks() |
+ return; |
+ } |
+ } |
+} |
+ |
+void FrameRequestCallbackCollection::executeCallbacks(double highResNowMs, double highResNowMsLegacy) |
+{ |
+ // First, generate a list of callbacks to consider. Callbacks registered from this point |
+ // on are considered only for the "next" frame, not this one. |
+ ASSERT(m_callbacksToInvoke.isEmpty()); |
+ m_callbacksToInvoke.swap(m_callbacks); |
+ |
+ for (size_t i = 0; i < m_callbacksToInvoke.size(); ++i) { |
+ FrameRequestCallback* callback = m_callbacksToInvoke[i].get(); |
+ if (!callback->m_cancelled) { |
+ TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "FireAnimationFrame", "data", InspectorAnimationFrameEvent::data(m_context, callback->m_id)); |
+ InspectorInstrumentationCookie cookie = InspectorInstrumentation::willFireAnimationFrame(m_context, callback->m_id); |
+ if (callback->m_useLegacyTimeBase) |
+ callback->handleEvent(highResNowMsLegacy); |
+ else |
+ callback->handleEvent(highResNowMs); |
+ InspectorInstrumentation::didFireAnimationFrame(cookie); |
+ TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "UpdateCounters", "data", InspectorUpdateCountersEvent::data()); |
+ } |
+ } |
+ |
+ m_callbacksToInvoke.clear(); |
+} |
+ |
+DEFINE_TRACE(FrameRequestCallbackCollection) |
+{ |
+#if ENABLE(OILPAN) |
+ visitor->trace(m_callbacks); |
+ visitor->trace(m_callbacksToInvoke); |
+#endif |
+} |
+ |
+} // namespace blink |