void
MediaDocument::BecomeInteractive()
{
// Even though our readyState code isn't really reliable, here we pretend
// that it is and conclude that we are restoring from the b/f cache if
// GetReadyStateEnum() == nsIDocument::READYSTATE_COMPLETE.
if (GetReadyStateEnum() != nsIDocument::READYSTATE_COMPLETE) {
MOZ_ASSERT(GetReadyStateEnum() == nsIDocument::READYSTATE_LOADING,
"Bad readyState");
SetReadyStateInternal(nsIDocument::READYSTATE_INTERACTIVE);
}
}
void
VideoDocument::SetScriptGlobalObject(nsIScriptGlobalObject* aScriptGlobalObject)
{
// Set the script global object on the superclass before doing
// anything that might require it....
MediaDocument::SetScriptGlobalObject(aScriptGlobalObject);
if (aScriptGlobalObject) {
if (!GetRootElement()) {
// Create synthetic document
#ifdef DEBUG
nsresult rv =
#endif
CreateSyntheticVideoDocument();
NS_ASSERTION(NS_SUCCEEDED(rv), "failed to create synthetic video document");
}
if (!nsContentUtils::IsChildOfSameType(this) &&
GetReadyStateEnum() != nsIDocument::READYSTATE_COMPLETE) {
LinkStylesheet(NS_LITERAL_STRING("resource://gre/res/TopLevelVideoDocument.css"));
LinkStylesheet(NS_LITERAL_STRING("chrome://global/skin/media/TopLevelVideoDocument.css"));
LinkScript(NS_LITERAL_STRING("chrome://global/content/TopLevelVideoDocument.js"));
}
BecomeInteractive();
}
}
void
MediaDocument::InitialSetupDone()
{
MOZ_ASSERT(GetReadyStateEnum() == nsIDocument::READYSTATE_LOADING,
"Bad readyState: we should still be doing our initial load");
mDidInitialDocumentSetup = true;
nsContentUtils::AddScriptRunner(
new nsDocElementCreatedNotificationRunner(this));
SetReadyStateInternal(nsIDocument::READYSTATE_INTERACTIVE);
}
void
VideoDocument::SetScriptGlobalObject(nsIScriptGlobalObject* aScriptGlobalObject)
{
// Set the script global object on the superclass before doing
// anything that might require it....
MediaDocument::SetScriptGlobalObject(aScriptGlobalObject);
if (aScriptGlobalObject) {
if (!nsContentUtils::IsChildOfSameType(this) &&
GetReadyStateEnum() != nsIDocument::READYSTATE_COMPLETE) {
LinkStylesheet(NS_LITERAL_STRING("resource://gre/res/TopLevelVideoDocument.css"));
LinkStylesheet(NS_LITERAL_STRING("chrome://global/skin/media/TopLevelVideoDocument.css"));
}
BecomeInteractive();
}
}
void
ImageDocument::SetScriptGlobalObject(nsIScriptGlobalObject* aScriptGlobalObject)
{
// If the script global object is changing, we need to unhook our event
// listeners on the window.
nsCOMPtr<EventTarget> target;
if (mScriptGlobalObject &&
aScriptGlobalObject != mScriptGlobalObject) {
target = do_QueryInterface(mScriptGlobalObject);
target->RemoveEventListener(NS_LITERAL_STRING("resize"), this, false);
target->RemoveEventListener(NS_LITERAL_STRING("keypress"), this,
false);
}
// Set the script global object on the superclass before doing
// anything that might require it....
MediaDocument::SetScriptGlobalObject(aScriptGlobalObject);
if (aScriptGlobalObject) {
if (!GetRootElement()) {
// Create synthetic document
#ifdef DEBUG
nsresult rv =
#endif
CreateSyntheticDocument();
NS_ASSERTION(NS_SUCCEEDED(rv), "failed to create synthetic document");
target = do_QueryInterface(mImageContent);
target->AddEventListener(NS_LITERAL_STRING("load"), this, false);
target->AddEventListener(NS_LITERAL_STRING("click"), this, false);
}
target = do_QueryInterface(aScriptGlobalObject);
target->AddEventListener(NS_LITERAL_STRING("resize"), this, false);
target->AddEventListener(NS_LITERAL_STRING("keypress"), this, false);
if (GetReadyStateEnum() != nsIDocument::READYSTATE_COMPLETE) {
LinkStylesheet(NS_LITERAL_STRING("resource://gre/res/ImageDocument.css"));
if (!nsContentUtils::IsChildOfSameType(this)) {
LinkStylesheet(NS_LITERAL_STRING("resource://gre/res/TopLevelImageDocument.css"));
LinkStylesheet(NS_LITERAL_STRING("chrome://global/skin/media/TopLevelImageDocument.css"));
}
}
BecomeInteractive();
}
}
void
MediaDocument::BecomeInteractive()
{
// In principle, if we knew the readyState code to work, we could infer
// restoration from GetReadyStateEnum() == nsIDocument::READYSTATE_COMPLETE.
bool restoring = false;
nsPIDOMWindow* window = GetWindow();
if (window) {
nsIDocShell* docShell = window->GetDocShell();
if (docShell) {
docShell->GetRestoringDocument(&restoring);
}
}
if (!restoring) {
MOZ_ASSERT(GetReadyStateEnum() == nsIDocument::READYSTATE_LOADING,
"Bad readyState");
SetReadyStateInternal(nsIDocument::READYSTATE_INTERACTIVE);
}
}
NS_IMETHODIMP
nsXMLDocument::Load(const nsAString& aUrl, bool *aReturn)
{
bool hasHadScriptObject = true;
nsIScriptGlobalObject* scriptObject =
GetScriptHandlingObject(hasHadScriptObject);
NS_ENSURE_STATE(scriptObject || !hasHadScriptObject);
ReportUseOfDeprecatedMethod(this, "UseOfDOM3LoadMethodWarning");
NS_ENSURE_ARG_POINTER(aReturn);
*aReturn = false;
nsCOMPtr<nsIDocument> callingDoc =
do_QueryInterface(nsContentUtils::GetDocumentFromContext());
nsIURI *baseURI = mDocumentURI;
nsAutoCString charset;
if (callingDoc) {
baseURI = callingDoc->GetDocBaseURI();
charset = callingDoc->GetDocumentCharacterSet();
}
// Create a new URI
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_NewURI(getter_AddRefs(uri), aUrl, charset.get(), baseURI);
if (NS_FAILED(rv)) {
return rv;
}
// Check to see whether the current document is allowed to load this URI.
// It's important to use the current document's principal for this check so
// that we don't end up in a case where code with elevated privileges is
// calling us and changing the principal of this document.
// Enforce same-origin even for chrome loaders to avoid someone accidentally
// using a document that content has a reference to and turn that into a
// chrome document.
nsCOMPtr<nsIPrincipal> principal = NodePrincipal();
if (!nsContentUtils::IsSystemPrincipal(principal)) {
rv = principal->CheckMayLoad(uri, false, false);
NS_ENSURE_SUCCESS(rv, rv);
int16_t shouldLoad = nsIContentPolicy::ACCEPT;
rv = NS_CheckContentLoadPolicy(nsIContentPolicy::TYPE_XMLHTTPREQUEST,
uri,
principal,
callingDoc ? callingDoc.get() :
static_cast<nsIDocument*>(this),
NS_LITERAL_CSTRING("application/xml"),
nullptr,
&shouldLoad,
nsContentUtils::GetContentPolicy(),
nsContentUtils::GetSecurityManager());
NS_ENSURE_SUCCESS(rv, rv);
if (NS_CP_REJECTED(shouldLoad)) {
return NS_ERROR_CONTENT_BLOCKED;
}
} else {
// We're called from chrome, check to make sure the URI we're
// about to load is also chrome.
bool isChrome = false;
if (NS_FAILED(uri->SchemeIs("chrome", &isChrome)) || !isChrome) {
nsAutoCString spec;
if (mDocumentURI)
mDocumentURI->GetSpec(spec);
nsAutoString error;
error.AssignLiteral("Cross site loading using document.load is no "
"longer supported. Use XMLHttpRequest instead.");
nsCOMPtr<nsIScriptError> errorObject =
do_CreateInstance(NS_SCRIPTERROR_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
rv = errorObject->InitWithWindowID(error,
NS_ConvertUTF8toUTF16(spec),
EmptyString(),
0, 0, nsIScriptError::warningFlag,
"DOM",
callingDoc ?
callingDoc->InnerWindowID() :
this->InnerWindowID());
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIConsoleService> consoleService =
do_GetService(NS_CONSOLESERVICE_CONTRACTID);
if (consoleService) {
consoleService->LogMessage(errorObject);
}
return NS_ERROR_DOM_SECURITY_ERR;
}
}
// Partial Reset, need to restore principal for security reasons and
// event listener manager so that load listeners etc. will
// remain. This should be done before the security check is done to
// ensure that the document is reset even if the new document can't
// be loaded. Note that we need to hold a strong ref to |principal|
// here, because ResetToURI will null out our node principal before
// setting the new one.
nsRefPtr<nsEventListenerManager> elm(mListenerManager);
mListenerManager = nullptr;
// When we are called from JS we can find the load group for the page,
// and add ourselves to it. This way any pending requests
// will be automatically aborted if the user leaves the page.
nsCOMPtr<nsILoadGroup> loadGroup;
if (callingDoc) {
loadGroup = callingDoc->GetDocumentLoadGroup();
}
ResetToURI(uri, loadGroup, principal);
mListenerManager = elm;
// Create a channel
nsCOMPtr<nsIInterfaceRequestor> req = nsContentUtils::GetSameOriginChecker();
NS_ENSURE_TRUE(req, NS_ERROR_OUT_OF_MEMORY);
nsCOMPtr<nsIChannel> channel;
// nsIRequest::LOAD_BACKGROUND prevents throbber from becoming active,
// which in turn keeps STOP button from becoming active
rv = NS_NewChannel(getter_AddRefs(channel), uri, nullptr, loadGroup, req,
nsIRequest::LOAD_BACKGROUND);
if (NS_FAILED(rv)) {
return rv;
}
// StartDocumentLoad asserts that readyState is uninitialized, so
// uninitialize it. SetReadyStateInternal make this transition invisible to
// Web content. But before doing that, assert that the current readyState
// is complete as it should be after the call to ResetToURI() above.
MOZ_ASSERT(GetReadyStateEnum() == nsIDocument::READYSTATE_COMPLETE,
"Bad readyState");
SetReadyStateInternal(nsIDocument::READYSTATE_UNINITIALIZED);
// Prepare for loading the XML document "into oneself"
nsCOMPtr<nsIStreamListener> listener;
if (NS_FAILED(rv = StartDocumentLoad(kLoadAsData, channel,
loadGroup, nullptr,
getter_AddRefs(listener),
false))) {
NS_ERROR("nsXMLDocument::Load: Failed to start the document load.");
return rv;
}
// After this point, if we error out of this method we should clear
// mChannelIsPending.
// Start an asynchronous read of the XML document
rv = channel->AsyncOpen(listener, nullptr);
if (NS_FAILED(rv)) {
mChannelIsPending = false;
return rv;
}
if (!mAsync) {
nsCOMPtr<nsIThread> thread = do_GetCurrentThread();
nsAutoSyncOperation sync(this);
mLoopingForSyncLoad = true;
while (mLoopingForSyncLoad) {
if (!NS_ProcessNextEvent(thread))
break;
}
// We set return to true unless there was a parsing error
nsCOMPtr<nsIDOMNode> node = do_QueryInterface(GetRootElement());
if (node) {
nsAutoString name, ns;
if (NS_SUCCEEDED(node->GetLocalName(name)) &&
name.EqualsLiteral("parsererror") &&
NS_SUCCEEDED(node->GetNamespaceURI(ns)) &&
ns.EqualsLiteral("http://www.mozilla.org/newlayout/xml/parsererror.xml")) {
//return is already false
} else {
*aReturn = true;
}
}
} else {
*aReturn = true;
}
return NS_OK;
}
