void ResourceLoader::cancel(const ResourceError& error)
{
// If the load has already completed - succeeded, failed, or previously cancelled - do nothing.
if (m_reachedTerminalState)
return;
ResourceError nonNullError = error.isNull() ? cancelledError() : error;
// willCancel() and didFailToLoad() both call out to clients that might do
// something causing the last reference to this object to go away.
RefPtr<ResourceLoader> protector(this);
// If we re-enter cancel() from inside willCancel(), we want to pick up from where we left
// off without re-running willCancel()
if (!m_calledWillCancel) {
m_calledWillCancel = true;
willCancel(nonNullError);
}
// If we re-enter cancel() from inside didFailToLoad(), we want to pick up from where we
// left off without redoing any of this work.
if (!m_cancelled) {
m_cancelled = true;
if (FormData* data = m_request.httpBody())
data->removeGeneratedFilesIfNeeded();
if (m_handle)
m_handle->clearAuthentication();
m_documentLoader->cancelPendingSubstituteLoad(this);
if (m_handle) {
m_handle->cancel();
m_handle = 0;
}
if (m_options.sendLoadCallbacks == SendCallbacks && m_identifier && !m_notifiedLoadComplete) {
ActionLogScope log_scope(
String::format("cancel_fail:%s",
m_request.url().lastPathComponent().ascii().data()).ascii().data());
frameLoader()->notifier()->didFailToLoad(this, nonNullError);
}
}
// If cancel() completed from within the call to willCancel() or didFailToLoad(),
// we don't want to redo didCancel() or releasesResources().
if (m_reachedTerminalState)
return;
didCancel(nonNullError);
releaseResources();
}
void ResourceLoader::cancel(const ResourceError& error)
{
// If the load has already completed - succeeded, failed, or previously cancelled - do nothing.
if (m_reachedTerminalState)
return;
ResourceError nonNullError = error.isNull() ? cancelledError() : error;
// willCancel() and didFailToLoad() both call out to clients that might do
// something causing the last reference to this object to go away.
Ref<ResourceLoader> protect(*this);
// If we re-enter cancel() from inside willCancel(), we want to pick up from where we left
// off without re-running willCancel()
if (m_cancellationStatus == NotCancelled) {
m_cancellationStatus = CalledWillCancel;
willCancel(nonNullError);
}
// If we re-enter cancel() from inside didFailToLoad(), we want to pick up from where we
// left off without redoing any of this work.
if (m_cancellationStatus == CalledWillCancel) {
m_cancellationStatus = Cancelled;
if (m_handle)
m_handle->clearAuthentication();
m_documentLoader->cancelPendingSubstituteLoad(this);
if (m_handle) {
m_handle->cancel();
m_handle = 0;
}
cleanupForError(nonNullError);
}
// If cancel() completed from within the call to willCancel() or didFailToLoad(),
// we don't want to redo didCancel() or releasesResources().
if (m_reachedTerminalState)
return;
didCancel(nonNullError);
if (m_cancellationStatus == FinishedCancel)
return;
m_cancellationStatus = FinishedCancel;
releaseResources();
}
