2 files changed, 45 insertions, 6 deletions

diff --git a/src/3rdparty/webkit/WebKit/qt/WebCoreSupport/FrameLoaderClientQt.cpp b/src/3rdparty/webkit/WebKit/qt/WebCoreSupport/FrameLoaderClientQt.cpp
index 0c636f6d45..67d974c01a 100644
--- a/src/3rdparty/webkit/WebKit/qt/WebCoreSupport/FrameLoaderClientQt.cpp
+++ b/src/3rdparty/webkit/WebKit/qt/WebCoreSupport/FrameLoaderClientQt.cpp
@@ -702,8 +702,10 @@ void FrameLoaderClientQt::committedLoad(WebCore::DocumentLoader* loader, const c
 
 WebCore::ResourceError FrameLoaderClientQt::cancelledError(const WebCore::ResourceRequest& request)
 {
-    return ResourceError("Error", -999, request.url().prettyURL(),
+    ResourceError error = ResourceError("QtNetwork", QNetworkReply::OperationCanceledError, request.url().prettyURL(),
             QCoreApplication::translate("QWebFrame", "Request cancelled", 0, QCoreApplication::UnicodeUTF8));
+    error.setIsCancellation(true);
+    return error;
 }
 
 // copied from WebKit/Misc/WebKitErrors[Private].h
@@ -719,32 +721,32 @@ enum {
 
 WebCore::ResourceError FrameLoaderClientQt::blockedError(const WebCore::ResourceRequest& request)
 {
-    return ResourceError("Error", WebKitErrorCannotUseRestrictedPort, request.url().prettyURL(),
+    return ResourceError("WebKit", WebKitErrorCannotUseRestrictedPort, request.url().prettyURL(),
             QCoreApplication::translate("QWebFrame", "Request blocked", 0, QCoreApplication::UnicodeUTF8));
 }
 
 
 WebCore::ResourceError FrameLoaderClientQt::cannotShowURLError(const WebCore::ResourceRequest& request)
 {
-    return ResourceError("Error", WebKitErrorCannotShowURL, request.url().string(),
+    return ResourceError("WebKit", WebKitErrorCannotShowURL, request.url().string(),
             QCoreApplication::translate("QWebFrame", "Cannot show URL", 0, QCoreApplication::UnicodeUTF8));
 }
 
 WebCore::ResourceError FrameLoaderClientQt::interruptForPolicyChangeError(const WebCore::ResourceRequest& request)
 {
-    return ResourceError("Error", WebKitErrorFrameLoadInterruptedByPolicyChange, request.url().string(),
+    return ResourceError("WebKit", WebKitErrorFrameLoadInterruptedByPolicyChange, request.url().string(),
             QCoreApplication::translate("QWebFrame", "Frame load interrupted by policy change", 0, QCoreApplication::UnicodeUTF8));
 }
 
 WebCore::ResourceError FrameLoaderClientQt::cannotShowMIMETypeError(const WebCore::ResourceResponse& response)
 {
-    return ResourceError("Error", WebKitErrorCannotShowMIMEType, response.url().string(),
+    return ResourceError("WebKit", WebKitErrorCannotShowMIMEType, response.url().string(),
             QCoreApplication::translate("QWebFrame", "Cannot show mimetype", 0, QCoreApplication::UnicodeUTF8));
 }
 
 WebCore::ResourceError FrameLoaderClientQt::fileDoesNotExistError(const WebCore::ResourceResponse& response)
 {
-    return ResourceError("Error", -998 /* ### */, response.url().string(),
+    return ResourceError("QtNetwork", QNetworkReply::ContentNotFoundError, response.url().string(),
             QCoreApplication::translate("QWebFrame", "File does not exist", 0, QCoreApplication::UnicodeUTF8));
 }
 
@@ -860,12 +862,46 @@ void FrameLoaderClientQt::dispatchDidLoadResourceByXMLHttpRequest(unsigned long,
     notImplemented();
 }
 
+void FrameLoaderClientQt::callErrorPageExtension(const WebCore::ResourceError& error)
+{
+    QWebPage* page = m_webFrame->page();
+    if (page->supportsExtension(QWebPage::ErrorPageExtension)) {
+        QWebPage::ErrorPageExtensionOption option;
+
+        if (error.domain() == "QtNetwork")
+            option.domain = QWebPage::QtNetwork;
+        else if (error.domain() == "HTTP")
+            option.domain = QWebPage::Http;
+        else if (error.domain() == "WebKit")
+            option.domain = QWebPage::WebKit;
+        else
+            return;
+
+        option.error = error.errorCode();
+        option.errorString = error.localizedDescription();
+
+        QWebPage::ErrorPageExtensionReturn output;
+        if (!page->extension(QWebPage::ErrorPageExtension, &option, &output))
+            return;
+
+        KURL baseUrl(output.baseUrl);
+        KURL failingUrl(QUrl(error.failingURL()));
+
+        WebCore::ResourceRequest request(baseUrl);
+        WTF::RefPtr<WebCore::SharedBuffer> buffer = WebCore::SharedBuffer::create(output.content.constData(), output.content.length());
+        WebCore::SubstituteData substituteData(buffer, output.contentType, output.encoding, failingUrl);
+        m_frame->loader()->load(request, substituteData, false);
+    }
+}
+
 void FrameLoaderClientQt::dispatchDidFailProvisionalLoad(const WebCore::ResourceError& error)
 {
     if (dumpFrameLoaderCallbacks)
         printf("%s - didFailProvisionalLoadWithError\n", qPrintable(drtDescriptionSuitableForTestResult(m_frame)));
 
     m_loadError = error;
+    if (!error.isNull() && !error.isCancellation())
+        callErrorPageExtension(error);
 }
 
 void FrameLoaderClientQt::dispatchDidFailLoad(const WebCore::ResourceError& error)
@@ -874,6 +910,8 @@ void FrameLoaderClientQt::dispatchDidFailLoad(const WebCore::ResourceError& erro
         printf("%s - didFailLoadWithError\n", qPrintable(drtDescriptionSuitableForTestResult(m_frame)));
 
     m_loadError = error;
+    if (!error.isNull() && !error.isCancellation())
+        callErrorPageExtension(error);
 }
 
 WebCore::Frame* FrameLoaderClientQt::dispatchCreatePage()
diff --git a/src/3rdparty/webkit/WebKit/qt/WebCoreSupport/FrameLoaderClientQt.h b/src/3rdparty/webkit/WebKit/qt/WebCoreSupport/FrameLoaderClientQt.h
index 8a7e428fd2..66c4252866 100644
--- a/src/3rdparty/webkit/WebKit/qt/WebCoreSupport/FrameLoaderClientQt.h
+++ b/src/3rdparty/webkit/WebKit/qt/WebCoreSupport/FrameLoaderClientQt.h
@@ -59,6 +59,7 @@ namespace WebCore {
 
         friend class ::QWebFrame;
         void callPolicyFunction(FramePolicyFunction function, PolicyAction action);
+        void callErrorPageExtension(const ResourceError&);
     signals:
         void loadStarted();
         void loadProgress(int d);