// CAPPFIX_WEB_HTML5: Request Animation Frame
void ScriptedAnimationController::serviceScriptedAnimations(DOMTimeStamp time)
{
if (!m_callbacks.size() || m_suspendCount)
return;
// First, generate a list of callbacks to consider. Callbacks registered from this point
// on are considered only for the "next" frame, not this one.
CallbackList callbacks(m_callbacks);
// Invoking callbacks may detach elements from our document, which clears the document's
// reference to us, so take a defensive reference.
RefPtr<ScriptedAnimationController> protector(this);
for (size_t i = 0; i < callbacks.size(); ++i) {
RequestAnimationFrameCallback* callback = callbacks[i].get();
if (!callback->m_firedOrCancelled) {
callback->m_firedOrCancelled = true;
callback->handleEvent(time);
}
}
// Remove any callbacks we fired from the list of pending callbacks.
for (size_t i = 0; i < m_callbacks.size();) {
if (m_callbacks[i]->m_firedOrCancelled)
m_callbacks.remove(i);
else
++i;
}
if (m_callbacks.size())
scheduleAnimation();
}
void ScriptedAnimationController::serviceScriptedAnimations(DOMTimeStamp time)
{
if (!m_callbacks.size() || m_suspendCount)
return;
// We want to run the callback for all elements in the document that have registered
// for a callback and that are visible. Running the callbacks can cause new callbacks
// to be registered, existing callbacks to be cancelled, and elements to gain or lose
// visibility so this code has to iterate carefully.
// FIXME: Currently, this code doesn't do any visibility tests beyond checking display:
// First, generate a list of callbacks to consider. Callbacks registered from this point
// on are considered only for the "next" frame, not this one.
CallbackList callbacks(m_callbacks);
// Firing the callback may cause the visibility of other elements to change. To avoid
// missing any callbacks, we keep iterating through the list of candiate callbacks and firing
// them until nothing new becomes visible.
bool firedCallback;
// Invoking callbacks may detach elements from our document, which clear's the document's
// reference to us, so take a defensive reference.
RefPtr<ScriptedAnimationController> protector(this);
do {
firedCallback = false;
// A previous iteration may have detached this Document from the DOM tree.
// If so, then we do not need to process any more callbacks.
if (!m_document)
continue;
// A previous iteration may have invalidated style (or layout). Update styles for each iteration
// for now since all we check is the existence of a renderer.
m_document->updateStyleIfNeeded();
for (size_t i = 0; i < callbacks.size(); ++i) {
RequestAnimationFrameCallback* callback = callbacks[i].get();
if (!callback->m_firedOrCancelled && (!callback->m_element || callback->m_element->renderer())) {
callback->m_firedOrCancelled = true;
InspectorInstrumentationCookie cookie = InspectorInstrumentation::willFireAnimationFrame(m_document, callback->m_id);
callback->handleEvent(time);
InspectorInstrumentation::didFireAnimationFrame(cookie);
firedCallback = true;
callbacks.remove(i);
break;
}
}
} while (firedCallback);
// Remove any callbacks we fired from the list of pending callbacks.
for (size_t i = 0; i < m_callbacks.size();) {
if (m_callbacks[i]->m_firedOrCancelled)
m_callbacks.remove(i);
else
++i;
}
if (m_callbacks.size())
scheduleAnimation();
}
void ScriptedAnimationController::resume()
{
// It would be nice to put an ASSERT(m_suspendCount > 0) here, but in WK1 resume() can be called
// even when suspend hasn't (if a tab was created in the background).
if (m_suspendCount > 0)
--m_suspendCount;
if (!m_suspendCount && m_callbacks.size())
scheduleAnimation();
}
ScriptedAnimationController::CallbackId ScriptedAnimationController::registerCallback(PassRefPtr<RequestAnimationFrameCallback> callback, Element* animationElement)
{
ScriptedAnimationController::CallbackId id = m_nextCallbackId++;
callback->m_firedOrCancelled = false;
callback->m_id = id;
callback->m_element = animationElement;
m_callbacks.append(callback);
if (!m_suspendCount)
scheduleAnimation();
return id;
}
void DisplayRefreshMonitorManager::windowScreenDidChange(PlatformDisplayID displayID, DisplayRefreshMonitorClient& client)
{
if (client.hasDisplayID() && client.displayID() == displayID)
return;
unregisterClient(client);
client.setDisplayID(displayID);
registerClient(client);
if (client.isScheduled())
scheduleAnimation(client);
}
void SVGImageChromeClient::resumeAnimation()
{
bool havePendingAnimation = m_timelineState == SuspendedWithAnimationPending;
m_timelineState = Running;
// If an animation frame was pending/requested while animations were
// suspended, schedule a new animation frame.
if (!havePendingAnimation)
return;
scheduleAnimation(nullptr);
}
ScriptedAnimationController::CallbackId ScriptedAnimationController::registerCallback(PassRefPtr<RequestAnimationFrameCallback> callback)
{
// CAPPFIX_WEB_HTML5: Request Animation Frame
ScriptedAnimationController::CallbackId id = m_nextCallbackId++;
callback->m_firedOrCancelled = false;
callback->m_id = id;
m_callbacks.append(callback);
if (!m_suspendCount)
scheduleAnimation();
return id;
// CAPPFIX_WEB_HTML5_END
}
void ScriptedAnimationController::serviceScriptedAnimations(DOMTimeStamp time)
{
if (!m_callbacks.size() || m_suspendCount)
return;
// We want to run the callback for all elements in the document that have registered
// for a callback and that are visible. Running the callbacks can cause new callbacks
// to be registered, existing callbacks to be cancelled, and elements to gain or lose
// visibility so this code has to iterate carefully.
// FIXME: Currently, this code doesn't do any visibility tests beyond checking display:
// First, generate a list of callbacks to consider. Callbacks registered from this point
// on are considered only for the "next" frame, not this one.
CallbackList callbacks(m_callbacks);
// Firing the callback may cause the visibility of other elements to change. To avoid
// missing any callbacks, we keep iterating through the list of candiate callbacks and firing
// them until nothing new becomes visible.
bool firedCallback;
do {
firedCallback = false;
// A previous iteration may have invalidated style (or layout). Update styles for each iteration
// for now since all we check is the existence of a renderer.
m_document->updateStyleIfNeeded();
for (size_t i = 0; i < callbacks.size(); ++i) {
RequestAnimationFrameCallback* callback = callbacks[i].get();
if (!callback->m_firedOrCancelled && (!callback->m_element || callback->m_element->renderer())) {
callback->m_firedOrCancelled = true;
callback->handleEvent(time);
firedCallback = true;
callbacks.remove(i);
break;
}
}
} while (firedCallback);
// Remove any callbacks we fired from the list of pending callbacks.
for (size_t i = 0; i < m_callbacks.size();) {
if (m_callbacks[i]->m_firedOrCancelled)
m_callbacks.remove(i);
else
++i;
}
if (m_callbacks.size())
scheduleAnimation(); //SAMSUNG CHANGES HTML5 REQUEST ANIMATION
}
void ScriptedAnimationController::resume()
{
--m_suspendCount;
if (!m_suspendCount && m_callbacks.size())
scheduleAnimation();
}
