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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "BrowsingContextWebProgress.h"
namespace mozilla {
namespace dom {
NS_IMPL_ADDREF(BrowsingContextWebProgress)
NS_IMPL_RELEASE(BrowsingContextWebProgress)
NS_INTERFACE_MAP_BEGIN(BrowsingContextWebProgress)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIWebProgress)
NS_INTERFACE_MAP_ENTRY(nsIWebProgress)
NS_INTERFACE_MAP_ENTRY(nsIWebProgressListener)
NS_INTERFACE_MAP_END
NS_IMETHODIMP BrowsingContextWebProgress::AddProgressListener(
nsIWebProgressListener* aListener, uint32_t aNotifyMask) {
nsWeakPtr listener = do_GetWeakReference(aListener);
if (!listener) {
return NS_ERROR_INVALID_ARG;
}
if (mListenerInfoList.Contains(listener)) {
// The listener is already registered!
return NS_ERROR_FAILURE;
}
mListenerInfoList.AppendElement(ListenerInfo(listener, aNotifyMask));
return NS_OK;
}
NS_IMETHODIMP BrowsingContextWebProgress::RemoveProgressListener(
nsIWebProgressListener* aListener) {
nsWeakPtr listener = do_GetWeakReference(aListener);
if (!listener) {
return NS_ERROR_INVALID_ARG;
}
return mListenerInfoList.RemoveElement(listener) ? NS_OK : NS_ERROR_FAILURE;
}
NS_IMETHODIMP BrowsingContextWebProgress::GetDOMWindow(
mozIDOMWindowProxy** aDOMWindow) {
return NS_ERROR_NOT_AVAILABLE;
}
NS_IMETHODIMP BrowsingContextWebProgress::GetIsTopLevel(bool* aIsTopLevel) {
*aIsTopLevel = true;
return NS_OK;
}
NS_IMETHODIMP BrowsingContextWebProgress::GetIsLoadingDocument(
bool* aIsLoadingDocument) {
*aIsLoadingDocument = false;
return NS_OK;
}
NS_IMETHODIMP BrowsingContextWebProgress::GetLoadType(uint32_t* aLoadType) {
*aLoadType = 0;
return NS_OK;
}
NS_IMETHODIMP BrowsingContextWebProgress::GetTarget(nsIEventTarget** aTarget) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP BrowsingContextWebProgress::SetTarget(nsIEventTarget* aTarget) {
return NS_ERROR_NOT_IMPLEMENTED;
}
void BrowsingContextWebProgress::UpdateAndNotifyListeners(
uint32_t aFlag,
const std::function<void(nsIWebProgressListener*)>& aCallback) {
RefPtr<BrowsingContextWebProgress> kungFuDeathGrip = this;
ListenerArray::ForwardIterator iter(mListenerInfoList);
while (iter.HasMore()) {
ListenerInfo& info = iter.GetNext();
if (!(info.mNotifyMask & aFlag)) {
continue;
}
nsCOMPtr<nsIWebProgressListener> listener =
do_QueryReferent(info.mWeakListener);
if (!listener) {
mListenerInfoList.RemoveElement(info);
continue;
}
aCallback(listener);
}
mListenerInfoList.Compact();
}
////////////////////////////////////////////////////////////////////////////////
// nsIWebProgressListener
NS_IMETHODIMP
BrowsingContextWebProgress::OnStateChange(nsIWebProgress* aWebProgress,
nsIRequest* aRequest,
uint32_t aStateFlags,
nsresult aStatus) {
const uint32_t startDocumentFlags =
nsIWebProgressListener::STATE_START |
nsIWebProgressListener::STATE_IS_DOCUMENT |
nsIWebProgressListener::STATE_IS_REQUEST |
nsIWebProgressListener::STATE_IS_WINDOW |
nsIWebProgressListener::STATE_IS_NETWORK;
bool isTopLevel = false;
nsresult rv = aWebProgress->GetIsTopLevel(&isTopLevel);
NS_ENSURE_SUCCESS(rv, rv);
bool isTopLevelStartDocumentEvent =
(aStateFlags & startDocumentFlags) == startDocumentFlags && isTopLevel;
// If we receive a matching STATE_START for a top-level document event,
// and we are currently not suspending this event, start suspending all
// further matching STATE_START events after this one.
if (isTopLevelStartDocumentEvent && !mSuspendOnStateStartChangeEvents) {
mSuspendOnStateStartChangeEvents = true;
} else if (mSuspendOnStateStartChangeEvents) {
// If we are currently suspending matching STATE_START events, check if this
// is a corresponding STATE_STOP event.
const uint32_t stopWindowFlags = nsIWebProgressListener::STATE_STOP |
nsIWebProgressListener::STATE_IS_WINDOW;
bool isTopLevelStopWindowEvent =
(aStateFlags & stopWindowFlags) == stopWindowFlags && isTopLevel;
if (isTopLevelStopWindowEvent) {
// If this is a STATE_STOP event corresponding to the initial STATE_START
// event, stop suspending matching STATE_START events.
mSuspendOnStateStartChangeEvents = false;
} else if (isTopLevelStartDocumentEvent) {
// We have received a matching STATE_START event at least twice, but
// haven't received the corresponding STATE_STOP event for the first one.
// Don't let this event through. This is probably a duplicate event from
// the new BrowserParent due to a process switch.
return NS_OK;
}
// Allow all other progress events that don't match top-level start document
// flags.
}
UpdateAndNotifyListeners(
((aStateFlags >> 16) & nsIWebProgress::NOTIFY_STATE_ALL),
[&](nsIWebProgressListener* listener) {
listener->OnStateChange(aWebProgress, aRequest, aStateFlags, aStatus);
});
return NS_OK;
}
NS_IMETHODIMP
BrowsingContextWebProgress::OnProgressChange(nsIWebProgress* aWebProgress,
nsIRequest* aRequest,
int32_t aCurSelfProgress,
int32_t aMaxSelfProgress,
int32_t aCurTotalProgress,
int32_t aMaxTotalProgress) {
UpdateAndNotifyListeners(
nsIWebProgress::NOTIFY_PROGRESS, [&](nsIWebProgressListener* listener) {
listener->OnProgressChange(aWebProgress, aRequest, aCurSelfProgress,
aMaxSelfProgress, aCurTotalProgress,
aMaxTotalProgress);
});
return NS_OK;
}
NS_IMETHODIMP
BrowsingContextWebProgress::OnLocationChange(nsIWebProgress* aWebProgress,
nsIRequest* aRequest,
nsIURI* aLocation,
uint32_t aFlags) {
UpdateAndNotifyListeners(
nsIWebProgress::NOTIFY_LOCATION, [&](nsIWebProgressListener* listener) {
listener->OnLocationChange(aWebProgress, aRequest, aLocation, aFlags);
});
return NS_OK;
}
NS_IMETHODIMP
BrowsingContextWebProgress::OnStatusChange(nsIWebProgress* aWebProgress,
nsIRequest* aRequest,
nsresult aStatus,
const char16_t* aMessage) {
UpdateAndNotifyListeners(
nsIWebProgress::NOTIFY_STATUS, [&](nsIWebProgressListener* listener) {
listener->OnStatusChange(aWebProgress, aRequest, aStatus, aMessage);
});
return NS_OK;
}
NS_IMETHODIMP
BrowsingContextWebProgress::OnSecurityChange(nsIWebProgress* aWebProgress,
nsIRequest* aRequest,
uint32_t aState) {
UpdateAndNotifyListeners(
nsIWebProgress::NOTIFY_SECURITY, [&](nsIWebProgressListener* listener) {
listener->OnSecurityChange(aWebProgress, aRequest, aState);
});
return NS_OK;
}
NS_IMETHODIMP
BrowsingContextWebProgress::OnContentBlockingEvent(nsIWebProgress* aWebProgress,
nsIRequest* aRequest,
uint32_t aEvent) {
UpdateAndNotifyListeners(nsIWebProgress::NOTIFY_CONTENT_BLOCKING,
[&](nsIWebProgressListener* listener) {
listener->OnContentBlockingEvent(aWebProgress,
aRequest, aEvent);
});
return NS_OK;
}
} // namespace dom
} // namespace mozilla
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