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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "config.h" |
| 6 #include "core/dom/FrameRequestCallbackCollection.h" |
| 7 |
| 8 #include "core/dom/FrameRequestCallback.h" |
| 9 #include "core/inspector/InspectorInstrumentation.h" |
| 10 #include "core/inspector/InspectorTraceEvents.h" |
| 11 |
| 12 namespace blink { |
| 13 |
| 14 FrameRequestCallbackCollection::FrameRequestCallbackCollection(ExecutionContext*
context) |
| 15 : m_context(context) |
| 16 { |
| 17 } |
| 18 |
| 19 FrameRequestCallbackCollection::CallbackId FrameRequestCallbackCollection::regis
terCallback(FrameRequestCallback* callback) |
| 20 { |
| 21 FrameRequestCallbackCollection::CallbackId id = ++m_nextCallbackId; |
| 22 callback->m_cancelled = false; |
| 23 callback->m_id = id; |
| 24 m_callbacks.append(callback); |
| 25 |
| 26 TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "Reques
tAnimationFrame", "data", InspectorAnimationFrameEvent::data(m_context, id)); |
| 27 InspectorInstrumentation::didRequestAnimationFrame(m_context, id); |
| 28 |
| 29 return id; |
| 30 } |
| 31 |
| 32 void FrameRequestCallbackCollection::cancelCallback(CallbackId id) |
| 33 { |
| 34 for (size_t i = 0; i < m_callbacks.size(); ++i) { |
| 35 if (m_callbacks[i]->m_id == id) { |
| 36 m_callbacks.remove(i); |
| 37 TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"),
"CancelAnimationFrame", "data", InspectorAnimationFrameEvent::data(m_context, i
d)); |
| 38 InspectorInstrumentation::didCancelAnimationFrame(m_context, id); |
| 39 return; |
| 40 } |
| 41 } |
| 42 for (size_t i = 0; i < m_callbacksToInvoke.size(); ++i) { |
| 43 if (m_callbacksToInvoke[i]->m_id == id) { |
| 44 TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"),
"CancelAnimationFrame", "data", InspectorAnimationFrameEvent::data(m_context, i
d)); |
| 45 InspectorInstrumentation::didCancelAnimationFrame(m_context, id); |
| 46 m_callbacksToInvoke[i]->m_cancelled = true; |
| 47 // will be removed at the end of executeCallbacks() |
| 48 return; |
| 49 } |
| 50 } |
| 51 } |
| 52 |
| 53 void FrameRequestCallbackCollection::executeCallbacks(double highResNowMs, doubl
e highResNowMsLegacy) |
| 54 { |
| 55 // First, generate a list of callbacks to consider. Callbacks registered fr
om this point |
| 56 // on are considered only for the "next" frame, not this one. |
| 57 ASSERT(m_callbacksToInvoke.isEmpty()); |
| 58 m_callbacksToInvoke.swap(m_callbacks); |
| 59 |
| 60 for (size_t i = 0; i < m_callbacksToInvoke.size(); ++i) { |
| 61 FrameRequestCallback* callback = m_callbacksToInvoke[i].get(); |
| 62 if (!callback->m_cancelled) { |
| 63 TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "FireAn
imationFrame", "data", InspectorAnimationFrameEvent::data(m_context, callback->m
_id)); |
| 64 InspectorInstrumentationCookie cookie = InspectorInstrumentation::wi
llFireAnimationFrame(m_context, callback->m_id); |
| 65 if (callback->m_useLegacyTimeBase) |
| 66 callback->handleEvent(highResNowMsLegacy); |
| 67 else |
| 68 callback->handleEvent(highResNowMs); |
| 69 InspectorInstrumentation::didFireAnimationFrame(cookie); |
| 70 TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"),
"UpdateCounters", "data", InspectorUpdateCountersEvent::data()); |
| 71 } |
| 72 } |
| 73 |
| 74 m_callbacksToInvoke.clear(); |
| 75 } |
| 76 |
| 77 DEFINE_TRACE(FrameRequestCallbackCollection) |
| 78 { |
| 79 #if ENABLE(OILPAN) |
| 80 visitor->trace(m_callbacks); |
| 81 visitor->trace(m_callbacksToInvoke); |
| 82 #endif |
| 83 } |
| 84 |
| 85 } // namespace blink |
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