NS_IMETHODIMP
nsContentDLF::CreateInstance(const char* aCommand,
nsIChannel* aChannel,
nsILoadGroup* aLoadGroup,
const char* aContentType,
nsISupports* aContainer,
nsISupports* aExtraInfo,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer)
{
EnsureUAStyleSheet();
// Are we viewing source?
#ifdef MOZ_VIEW_SOURCE
nsCOMPtr<nsIViewSourceChannel> viewSourceChannel = do_QueryInterface(aChannel);
if (viewSourceChannel)
{
aCommand = "view-source";
// The parser freaks out when it sees the content-type that a
// view-source channel normally returns. Get the actual content
// type of the data. If it's known, use it; otherwise use
// text/plain.
nsCAutoString type;
viewSourceChannel->GetOriginalContentType(type);
PRBool knownType = PR_FALSE;
PRInt32 typeIndex;
for (typeIndex = 0; gHTMLTypes[typeIndex] && !knownType; ++typeIndex) {
if (type.Equals(gHTMLTypes[typeIndex]) &&
!type.EqualsLiteral("application/x-view-source")) {
knownType = PR_TRUE;
}
}
for (typeIndex = 0; gXMLTypes[typeIndex] && !knownType; ++typeIndex) {
if (type.Equals(gXMLTypes[typeIndex])) {
knownType = PR_TRUE;
}
}
#ifdef MOZ_SVG
if (NS_SVGEnabled()) {
for (typeIndex = 0; gSVGTypes[typeIndex] && !knownType; ++typeIndex) {
if (type.Equals(gSVGTypes[typeIndex])) {
knownType = PR_TRUE;
}
}
}
#endif // MOZ_SVG
for (typeIndex = 0; gXULTypes[typeIndex] && !knownType; ++typeIndex) {
if (type.Equals(gXULTypes[typeIndex])) {
knownType = PR_TRUE;
}
}
if (knownType) {
viewSourceChannel->SetContentType(type);
} else {
viewSourceChannel->SetContentType(NS_LITERAL_CSTRING("text/plain"));
}
} else if (0 == PL_strcmp("application/x-view-source", aContentType)) {
aChannel->SetContentType(NS_LITERAL_CSTRING("text/plain"));
aContentType = "text/plain";
}
#endif
// Try html
int typeIndex=0;
while(gHTMLTypes[typeIndex]) {
if (0 == PL_strcmp(gHTMLTypes[typeIndex++], aContentType)) {
return CreateDocument(aCommand,
aChannel, aLoadGroup,
aContainer, kHTMLDocumentCID,
aDocListener, aDocViewer);
}
}
// Try XML
typeIndex = 0;
while(gXMLTypes[typeIndex]) {
if (0== PL_strcmp(gXMLTypes[typeIndex++], aContentType)) {
return CreateDocument(aCommand,
aChannel, aLoadGroup,
aContainer, kXMLDocumentCID,
aDocListener, aDocViewer);
}
}
#ifdef MOZ_SVG
if (NS_SVGEnabled()) {
// Try SVG
typeIndex = 0;
while(gSVGTypes[typeIndex]) {
if (!PL_strcmp(gSVGTypes[typeIndex++], aContentType)) {
return CreateDocument(aCommand,
aChannel, aLoadGroup,
aContainer, kSVGDocumentCID,
aDocListener, aDocViewer);
}
}
}
#endif
// Try XUL
typeIndex = 0;
while (gXULTypes[typeIndex]) {
if (0 == PL_strcmp(gXULTypes[typeIndex++], aContentType)) {
return CreateXULDocument(aCommand,
aChannel, aLoadGroup,
aContentType, aContainer,
aExtraInfo, aDocListener, aDocViewer);
}
}
// Try image types
nsCOMPtr<imgILoader> loader(do_GetService("@mozilla.org/image/loader;1"));
PRBool isReg = PR_FALSE;
loader->SupportImageWithMimeType(aContentType, &isReg);
if (isReg) {
return CreateDocument(aCommand,
aChannel, aLoadGroup,
aContainer, kImageDocumentCID,
aDocListener, aDocViewer);
}
nsCOMPtr<nsIPluginHost> ph (do_GetService(kPluginManagerCID));
if(ph && NS_SUCCEEDED(ph->IsPluginEnabledForType(aContentType))) {
return CreateDocument(aCommand,
aChannel, aLoadGroup,
aContainer, kPluginDocumentCID,
aDocListener, aDocViewer);
}
// If we get here, then we weren't able to create anything. Sorry!
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsContentDLF::CreateInstance(const char* aCommand,
nsIChannel* aChannel,
nsILoadGroup* aLoadGroup,
const char* aContentType,
nsISupports* aContainer,
nsISupports* aExtraInfo,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer)
{
#ifdef NS_FUNCTION_TIMER
nsCAutoString channelURL__("N/A");
nsCOMPtr<nsIURI> url__;
if (aChannel && NS_SUCCEEDED(aChannel->GetURI(getter_AddRefs(url__)))) {
url__->GetSpec(channelURL__);
}
NS_TIME_FUNCTION_FMT("%s (line %d) (url: %s)", MOZ_FUNCTION_NAME,
__LINE__, channelURL__.get());
#endif
// Declare "type" here. This is because although the variable itself only
// needs limited scope, we need to use the raw string memory -- as returned
// by "type.get()" farther down in the function.
nsCAutoString type;
// Are we viewing source?
nsCOMPtr<nsIViewSourceChannel> viewSourceChannel = do_QueryInterface(aChannel);
if (viewSourceChannel)
{
aCommand = "view-source";
// The parser freaks out when it sees the content-type that a
// view-source channel normally returns. Get the actual content
// type of the data. If it's known, use it; otherwise use
// text/plain.
viewSourceChannel->GetOriginalContentType(type);
bool knownType = false;
PRInt32 typeIndex;
for (typeIndex = 0; gHTMLTypes[typeIndex] && !knownType; ++typeIndex) {
if (type.Equals(gHTMLTypes[typeIndex]) &&
!type.EqualsLiteral(VIEWSOURCE_CONTENT_TYPE)) {
knownType = PR_TRUE;
}
}
for (typeIndex = 0; gXMLTypes[typeIndex] && !knownType; ++typeIndex) {
if (type.Equals(gXMLTypes[typeIndex])) {
knownType = PR_TRUE;
}
}
for (typeIndex = 0; gSVGTypes[typeIndex] && !knownType; ++typeIndex) {
if (type.Equals(gSVGTypes[typeIndex])) {
knownType = PR_TRUE;
}
}
for (typeIndex = 0; gXULTypes[typeIndex] && !knownType; ++typeIndex) {
if (type.Equals(gXULTypes[typeIndex])) {
knownType = PR_TRUE;
}
}
if (knownType) {
viewSourceChannel->SetContentType(type);
} else if (IsImageContentType(type.get())) {
// If it's an image, we want to display it the same way we normally would.
// Also note the lifetime of "type" allows us to safely use "get()" here.
aContentType = type.get();
} else {
viewSourceChannel->SetContentType(NS_LITERAL_CSTRING(TEXT_PLAIN));
}
} else if (0 == PL_strcmp(VIEWSOURCE_CONTENT_TYPE, aContentType)) {
aChannel->SetContentType(NS_LITERAL_CSTRING(TEXT_PLAIN));
aContentType = TEXT_PLAIN;
}
// Try html
int typeIndex=0;
while(gHTMLTypes[typeIndex]) {
if (0 == PL_strcmp(gHTMLTypes[typeIndex++], aContentType)) {
return CreateDocument(aCommand,
aChannel, aLoadGroup,
aContainer, kHTMLDocumentCID,
aDocListener, aDocViewer);
}
}
// Try XML
typeIndex = 0;
while(gXMLTypes[typeIndex]) {
if (0== PL_strcmp(gXMLTypes[typeIndex++], aContentType)) {
return CreateDocument(aCommand,
aChannel, aLoadGroup,
aContainer, kXMLDocumentCID,
aDocListener, aDocViewer);
}
}
// Try SVG
typeIndex = 0;
while(gSVGTypes[typeIndex]) {
if (!PL_strcmp(gSVGTypes[typeIndex++], aContentType)) {
return CreateDocument(aCommand,
aChannel, aLoadGroup,
aContainer, kSVGDocumentCID,
aDocListener, aDocViewer);
}
}
// Try XUL
typeIndex = 0;
while (gXULTypes[typeIndex]) {
if (0 == PL_strcmp(gXULTypes[typeIndex++], aContentType)) {
if (!MayUseXULXBL(aChannel)) {
return NS_ERROR_REMOTE_XUL;
}
return CreateXULDocument(aCommand,
aChannel, aLoadGroup,
aContentType, aContainer,
aExtraInfo, aDocListener, aDocViewer);
}
}
#ifdef MOZ_MEDIA
if (nsHTMLMediaElement::ShouldHandleMediaType(aContentType)) {
return CreateDocument(aCommand,
aChannel, aLoadGroup,
aContainer, kVideoDocumentCID,
aDocListener, aDocViewer);
}
#endif
// Try image types
if (IsImageContentType(aContentType)) {
return CreateDocument(aCommand,
aChannel, aLoadGroup,
aContainer, kImageDocumentCID,
aDocListener, aDocViewer);
}
nsCOMPtr<nsIPluginHost> pluginHostCOM(do_GetService(MOZ_PLUGIN_HOST_CONTRACTID));
nsPluginHost *pluginHost = static_cast<nsPluginHost*>(pluginHostCOM.get());
if(pluginHost &&
NS_SUCCEEDED(pluginHost->IsPluginEnabledForType(aContentType))) {
return CreateDocument(aCommand,
aChannel, aLoadGroup,
aContainer, kPluginDocumentCID,
aDocListener, aDocViewer);
}
// If we get here, then we weren't able to create anything. Sorry!
return NS_ERROR_FAILURE;
}