void HTMLPlugInImageElement::restartSimilarPlugIns()
{
// Restart any other snapshotted plugins in the page with the same origin. Note that they
// may be in different frames, so traverse from the top of the document.
String plugInOrigin = m_loadedUrl.host();
String mimeType = loadedMimeType();
HTMLPlugInImageElementList pluginsNeedingRestart;
if (!document()->page())
return;
for (Frame* frame = document()->page()->mainFrame(); frame; frame = frame->tree()->traverseNext()) {
if (frame->loader()->subframeLoader()->containsPlugins()) {
if (!frame->document())
continue;
RefPtr<NodeList> plugins = frame->document()->getElementsByTagName(embedTag.localName());
if (plugins)
addPlugInsFromNodeListMatchingPlugInOrigin(pluginsNeedingRestart, plugins, plugInOrigin, mimeType);
plugins = frame->document()->getElementsByTagName(objectTag.localName());
if (plugins)
addPlugInsFromNodeListMatchingPlugInOrigin(pluginsNeedingRestart, plugins, plugInOrigin, mimeType);
}
}
for (size_t i = 0, length = pluginsNeedingRestart.size(); i < length; i++) {
pluginsNeedingRestart[i]->setDisplayState(Playing);
pluginsNeedingRestart[i]->restartSnapshottedPlugIn();
}
}
void HTMLPlugInImageElement::restartSimilarPlugIns()
{
// Restart any other snapshotted plugins in the page with the same origin. Note that they
// may be in different frames, so traverse from the top of the document.
String plugInOrigin = m_loadedUrl.host();
String mimeType = loadedMimeType();
HTMLPlugInImageElementList similarPlugins;
if (!document()->page())
return;
for (Frame* frame = document()->page()->mainFrame(); frame; frame = frame->tree()->traverseNext()) {
if (!frame->loader()->subframeLoader()->containsPlugins())
continue;
if (!frame->document())
continue;
RefPtr<NodeList> plugIns = frame->document()->getElementsByTagName(embedTag.localName());
if (plugIns)
addPlugInsFromNodeListMatchingPlugInOrigin(similarPlugins, plugIns, plugInOrigin, mimeType);
plugIns = frame->document()->getElementsByTagName(objectTag.localName());
if (plugIns)
addPlugInsFromNodeListMatchingPlugInOrigin(similarPlugins, plugIns, plugInOrigin, mimeType);
}
for (size_t i = 0, length = similarPlugins.size(); i < length; ++i) {
HTMLPlugInImageElement* plugInToRestart = similarPlugins[i].get();
if (plugInToRestart->displayState() <= HTMLPlugInElement::DisplayingSnapshot) {
LOG(Plugins, "%p Plug-in looks similar to a restarted plug-in. Restart.", plugInToRestart);
plugInToRestart->setDisplayState(Playing);
plugInToRestart->restartSnapshottedPlugIn();
}
plugInToRestart->m_snapshotDecision = NeverSnapshot;
}
}
void HTMLPlugInImageElement::subframeLoaderWillCreatePlugIn(const KURL& url)
{
LOG(Plugins, "%p Plug-in URL: %s", this, m_url.utf8().data());
LOG(Plugins, " Loaded URL: %s", url.string().utf8().data());
m_loadedUrl = url;
m_plugInWasCreated = false;
m_deferredPromotionToPrimaryPlugIn = false;
if (!document()->page() || !document()->page()->settings()->plugInSnapshottingEnabled()) {
m_snapshotDecision = NeverSnapshot;
return;
}
if (displayState() == Restarting) {
LOG(Plugins, "%p Plug-in is explicitly restarting", this);
m_snapshotDecision = NeverSnapshot;
setDisplayState(Playing);
return;
}
if (displayState() == RestartingWithPendingMouseClick) {
LOG(Plugins, "%p Plug-in is explicitly restarting but also waiting for a click", this);
m_snapshotDecision = NeverSnapshot;
return;
}
if (m_snapshotDecision == NeverSnapshot) {
LOG(Plugins, "%p Plug-in is blessed, allow it to start", this);
return;
}
bool inMainFrame = document()->frame() == document()->page()->mainFrame();
if (document()->isPluginDocument() && inMainFrame) {
LOG(Plugins, "%p Plug-in document in main frame", this);
m_snapshotDecision = NeverSnapshot;
return;
}
if (ScriptController::processingUserGesture()) {
LOG(Plugins, "%p Script is currently processing user gesture, set to play", this);
m_snapshotDecision = NeverSnapshot;
return;
}
if (m_createdDuringUserGesture) {
LOG(Plugins, "%p Plug-in was created when processing user gesture, set to play", this);
m_snapshotDecision = NeverSnapshot;
return;
}
if (documentHadRecentUserGesture(document())) {
LOG(Plugins, "%p Plug-in was created shortly after a user gesture, set to play", this);
m_snapshotDecision = NeverSnapshot;
return;
}
if (document()->page()->settings()->snapshotAllPlugIns()) {
LOG(Plugins, "%p Plug-in forced to snapshot by user preference", this);
m_snapshotDecision = Snapshotted;
setDisplayState(WaitingForSnapshot);
return;
}
if (document()->page()->settings()->autostartOriginPlugInSnapshottingEnabled() && document()->page()->plugInClient() && document()->page()->plugInClient()->shouldAutoStartFromOrigin(document()->page()->mainFrame()->document()->baseURL().host(), url.host(), loadedMimeType())) {
LOG(Plugins, "%p Plug-in from (%s, %s) is marked to auto-start, set to play", this, document()->page()->mainFrame()->document()->baseURL().host().utf8().data(), url.host().utf8().data());
m_snapshotDecision = NeverSnapshot;
return;
}
RenderBox* renderEmbeddedObject = toRenderBox(renderer());
Length styleWidth = renderEmbeddedObject->style()->width();
Length styleHeight = renderEmbeddedObject->style()->height();
LayoutRect contentBoxRect = renderEmbeddedObject->contentBoxRect();
int contentWidth = contentBoxRect.width();
int contentHeight = contentBoxRect.height();
int contentArea = contentWidth * contentHeight;
IntSize visibleViewSize = document()->frame()->view()->visibleSize();
int visibleArea = visibleViewSize.width() * visibleViewSize.height();
if (inMainFrame && styleWidth.isPercent() && (styleWidth.percent() == 100)
&& styleHeight.isPercent() && (styleHeight.percent() == 100)
&& (static_cast<float>(contentArea) / visibleArea > sizingFullPageAreaRatioThreshold)) {
LOG(Plugins, "%p Plug-in is top level full page, set to play", this);
m_snapshotDecision = NeverSnapshot;
return;
}
if (contentWidth <= sizingTinyDimensionThreshold || contentHeight <= sizingTinyDimensionThreshold) {
LOG(Plugins, "%p Plug-in is very small %dx%d, set to play", this, contentWidth, contentHeight);
m_sizeWhenSnapshotted = IntSize(contentBoxRect.width().toInt(), contentBoxRect.height().toInt());
m_snapshotDecision = MaySnapshotWhenResized;
return;
}
if (!document()->page()->plugInClient()) {
LOG(Plugins, "%p There is no plug-in client. Set to wait for snapshot", this);
m_snapshotDecision = NeverSnapshot;
setDisplayState(WaitingForSnapshot);
return;
}
LOG(Plugins, "%p Plug-in from (%s, %s) is not auto-start, sized at %dx%d, set to wait for snapshot", this, document()->page()->mainFrame()->document()->baseURL().host().utf8().data(), url.host().utf8().data(), contentWidth, contentHeight);
m_snapshotDecision = Snapshotted;
setDisplayState(WaitingForSnapshot);
}
void HTMLPlugInImageElement::userDidClickSnapshot(PassRefPtr<MouseEvent> event, bool forwardEvent)
{
if (forwardEvent)
m_pendingClickEventFromSnapshot = event;
String plugInOrigin = m_loadedUrl.host();
if (document()->page() && !SchemeRegistry::shouldTreatURLSchemeAsLocal(document()->page()->mainFrame()->document()->baseURL().protocol()) && document()->page()->settings()->autostartOriginPlugInSnapshottingEnabled())
document()->page()->plugInClient()->didStartFromOrigin(document()->page()->mainFrame()->document()->baseURL().host(), plugInOrigin, loadedMimeType());
LOG(Plugins, "%p User clicked on snapshotted plug-in. Restart.", this);
restartSnapshottedPlugIn();
restartSimilarPlugIns();
}
void HTMLPlugInImageElement::subframeLoaderWillCreatePlugIn(const KURL& url)
{
LOG(Plugins, "%p Plug-in URL: %s", this, m_url.utf8().data());
LOG(Plugins, " Loaded URL: %s", url.string().utf8().data());
m_loadedUrl = url;
if (!document()->page()
|| !document()->page()->settings()->plugInSnapshottingEnabled())
return;
if (displayState() == Restarting) {
setDisplayState(Playing);
LOG(Plugins, "%p Plug-in is explicitly restarting", this);
return;
}
if (displayState() == RestartingWithPendingMouseClick) {
LOG(Plugins, "%p Plug-in is explicitly restarting but also waiting for a click", this);
return;
}
bool inMainFrame = document()->frame() == document()->page()->mainFrame();
if (document()->isPluginDocument() && inMainFrame) {
LOG(Plugins, "%p Plug-in document in main frame", this);
return;
}
if (ScriptController::processingUserGesture()) {
LOG(Plugins, "%p Script is currently processing user gesture, set to play", this);
return;
}
if (m_createdDuringUserGesture) {
LOG(Plugins, "%p Plug-in was created when processing user gesture, set to play", this);
return;
}
double lastKnownUserGestureTimestamp = document()->lastHandledUserGestureTimestamp();
if (!inMainFrame && document()->page()->mainFrame() && document()->page()->mainFrame()->document())
lastKnownUserGestureTimestamp = std::max(lastKnownUserGestureTimestamp, document()->page()->mainFrame()->document()->lastHandledUserGestureTimestamp());
if (currentTime() - lastKnownUserGestureTimestamp < autostartSoonAfterUserGestureThreshold) {
LOG(Plugins, "%p Plug-in was created shortly after a user gesture, set to play", this);
return;
}
RenderBox* renderEmbeddedObject = toRenderBox(renderer());
Length styleWidth = renderEmbeddedObject->style()->width();
Length styleHeight = renderEmbeddedObject->style()->height();
LayoutRect contentBoxRect = renderEmbeddedObject->contentBoxRect();
int contentWidth = contentBoxRect.width();
int contentHeight = contentBoxRect.height();
int contentArea = contentWidth * contentHeight;
IntSize visibleViewSize = document()->frame()->view()->visibleSize();
int visibleArea = visibleViewSize.width() * visibleViewSize.height();
if (inMainFrame && styleWidth.isPercent() && (styleWidth.percent() == 100)
&& styleHeight.isPercent() && (styleHeight.percent() == 100)
&& (static_cast<float>(contentArea) / visibleArea > sizingFullPageAreaRatioThreshold)) {
LOG(Plugins, "%p Plug-in is top level full page, set to play", this);
return;
}
if (contentWidth <= sizingTinyDimensionThreshold || contentHeight <= sizingTinyDimensionThreshold) {
LOG(Plugins, "%p Plug-in is very small %dx%d, set to play", this, contentWidth, contentHeight);
return;
}
if (!document()->page()->plugInClient()) {
setDisplayState(WaitingForSnapshot);
return;
}
if (document()->page()->plugInClient()->shouldAutoStartFromOrigin(document()->page()->mainFrame()->document()->baseURL().host(), url.host(), loadedMimeType())) {
LOG(Plugins, "%p Plug-in from (%s, %s) is marked to auto-start, set to play", this, document()->page()->mainFrame()->document()->baseURL().host().utf8().data(), url.host().utf8().data());
return;
}
LOG(Plugins, "%p Plug-in from (%s, %s) is not auto-start, sized at %dx%d, set to wait for snapshot", this, document()->page()->mainFrame()->document()->baseURL().host().utf8().data(), url.host().utf8().data(), contentWidth, contentHeight);
setDisplayState(WaitingForSnapshot);
}
void HTMLPlugInImageElement::userDidClickSnapshot(PassRefPtr<MouseEvent> event)
{
m_pendingClickEventFromSnapshot = event;
String plugInOrigin = m_loadedUrl.host();
if (document()->page() && !SchemeRegistry::shouldTreatURLSchemeAsLocal(document()->page()->mainFrame()->document()->baseURL().protocol()))
document()->page()->plugInClient()->didStartFromOrigin(document()->page()->mainFrame()->document()->baseURL().host(), plugInOrigin, loadedMimeType());
restartSnapshottedPlugIn();
restartSimilarPlugIns();
}