Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 314 insertions, 0 deletions

diff --git a/Source/WebCore/loader/FrameLoaderClient.h b/Source/WebCore/loader/FrameLoaderClient.h
new file mode 100644
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+++ b/Source/WebCore/loader/FrameLoaderClient.h
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+/*
+ * Copyright (C) 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer. 
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution. 
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FrameLoaderClient_h
+#define FrameLoaderClient_h
+
+#include "FrameLoaderTypes.h"
+#include "ScrollTypes.h"
+#include <wtf/Forward.h>
+#include <wtf/Vector.h>
+
+#if PLATFORM(MAC)
+#ifdef __OBJC__ 
+#import <Foundation/Foundation.h>
+typedef id RemoteAXObjectRef;
+#else
+typedef void* RemoteAXObjectRef;
+#endif
+#endif
+
+typedef class _jobject* jobject;
+
+#if PLATFORM(MAC) && !defined(__OBJC__)
+class NSCachedURLResponse;
+class NSView;
+#endif
+
+namespace WebCore {
+
+    class AuthenticationChallenge;
+    class CachedFrame;
+    class Color;
+    class DOMWrapperWorld;
+    class DocumentLoader;
+    class Element;
+    class FormState;
+    class Frame;
+    class FrameLoader;
+    class FrameNetworkingContext;
+    class HistoryItem;
+    class HTMLAppletElement;
+    class HTMLFormElement;
+    class HTMLFrameOwnerElement;
+#if ENABLE(PLUGIN_PROXY_FOR_VIDEO)
+    class HTMLMediaElement;
+#endif
+    class HTMLPlugInElement;
+    class IntSize;
+    class KURL;
+    class NavigationAction;
+    class Page;
+    class ProtectionSpace;
+    class PluginView;
+    class PolicyChecker;
+    class ResourceError;
+    class ResourceHandle;
+    class ResourceLoader;
+    class ResourceRequest;
+    class ResourceResponse;
+    class SecurityOrigin;
+    class SharedBuffer;
+    class SubstituteData;
+    class Widget;
+
+    typedef void (PolicyChecker::*FramePolicyFunction)(PolicyAction);
+
+    class FrameLoaderClient {
+    public:
+        // An inline function cannot be the first non-abstract virtual function declared
+        // in the class as it results in the vtable being generated as a weak symbol.
+        // This hurts performance (in Mac OS X at least, when loadig frameworks), so we
+        // don't want to do it in WebKit.
+        virtual bool hasHTMLView() const;
+
+        virtual ~FrameLoaderClient() { }
+
+        virtual void frameLoaderDestroyed() = 0;
+
+        virtual bool hasWebView() const = 0; // mainly for assertions
+
+        virtual void makeRepresentation(DocumentLoader*) = 0;
+        virtual void forceLayout() = 0;
+        virtual void forceLayoutForNonHTML() = 0;
+
+        virtual void setCopiesOnScroll() = 0;
+
+        virtual void detachedFromParent2() = 0;
+        virtual void detachedFromParent3() = 0;
+
+        virtual void assignIdentifierToInitialRequest(unsigned long identifier, DocumentLoader*, const ResourceRequest&) = 0;
+
+        virtual void dispatchWillSendRequest(DocumentLoader*, unsigned long identifier, ResourceRequest&, const ResourceResponse& redirectResponse) = 0;
+        virtual bool shouldUseCredentialStorage(DocumentLoader*, unsigned long identifier) = 0;
+        virtual void dispatchDidReceiveAuthenticationChallenge(DocumentLoader*, unsigned long identifier, const AuthenticationChallenge&) = 0;
+        virtual void dispatchDidCancelAuthenticationChallenge(DocumentLoader*, unsigned long identifier, const AuthenticationChallenge&) = 0;        
+#if USE(PROTECTION_SPACE_AUTH_CALLBACK)
+        virtual bool canAuthenticateAgainstProtectionSpace(DocumentLoader*, unsigned long identifier, const ProtectionSpace&) = 0;
+#endif
+        virtual void dispatchDidReceiveResponse(DocumentLoader*, unsigned long identifier, const ResourceResponse&) = 0;
+        virtual void dispatchDidReceiveContentLength(DocumentLoader*, unsigned long identifier, int lengthReceived) = 0;
+        virtual void dispatchDidFinishLoading(DocumentLoader*, unsigned long identifier) = 0;
+        virtual void dispatchDidFailLoading(DocumentLoader*, unsigned long identifier, const ResourceError&) = 0;
+        virtual bool dispatchDidLoadResourceFromMemoryCache(DocumentLoader*, const ResourceRequest&, const ResourceResponse&, int length) = 0;
+
+        virtual void dispatchDidHandleOnloadEvents() = 0;
+        virtual void dispatchDidReceiveServerRedirectForProvisionalLoad() = 0;
+        virtual void dispatchDidCancelClientRedirect() = 0;
+        virtual void dispatchWillPerformClientRedirect(const KURL&, double interval, double fireDate) = 0;
+        virtual void dispatchDidNavigateWithinPage() { }
+        virtual void dispatchDidChangeLocationWithinPage() = 0;
+        virtual void dispatchDidPushStateWithinPage() = 0;
+        virtual void dispatchDidReplaceStateWithinPage() = 0;
+        virtual void dispatchDidPopStateWithinPage() = 0;
+        virtual void dispatchWillClose() = 0;
+        virtual void dispatchDidReceiveIcon() = 0;
+        virtual void dispatchDidStartProvisionalLoad() = 0;
+        virtual void dispatchDidReceiveTitle(const String& title) = 0;
+        virtual void dispatchDidChangeIcons() = 0;
+        virtual void dispatchDidCommitLoad() = 0;
+        virtual void dispatchDidFailProvisionalLoad(const ResourceError&) = 0;
+        virtual void dispatchDidFailLoad(const ResourceError&) = 0;
+        virtual void dispatchDidFinishDocumentLoad() = 0;
+        virtual void dispatchDidFinishLoad() = 0;
+        virtual void dispatchDidFirstLayout() = 0;
+        virtual void dispatchDidFirstVisuallyNonEmptyLayout() = 0;
+
+        virtual Frame* dispatchCreatePage(const NavigationAction&) = 0;
+        virtual void dispatchShow() = 0;
+
+        virtual void dispatchDecidePolicyForMIMEType(FramePolicyFunction, const String& MIMEType, const ResourceRequest&) = 0;
+        virtual void dispatchDecidePolicyForNewWindowAction(FramePolicyFunction, const NavigationAction&, const ResourceRequest&, PassRefPtr<FormState>, const String& frameName) = 0;
+        virtual void dispatchDecidePolicyForNavigationAction(FramePolicyFunction, const NavigationAction&, const ResourceRequest&, PassRefPtr<FormState>) = 0;
+        virtual void cancelPolicyCheck() = 0;
+
+        virtual void dispatchUnableToImplementPolicy(const ResourceError&) = 0;
+
+        virtual void dispatchWillSendSubmitEvent(HTMLFormElement*) = 0;
+        virtual void dispatchWillSubmitForm(FramePolicyFunction, PassRefPtr<FormState>) = 0;
+
+        virtual void dispatchDidLoadMainResource(DocumentLoader*) = 0;
+        virtual void revertToProvisionalState(DocumentLoader*) = 0;
+        virtual void setMainDocumentError(DocumentLoader*, const ResourceError&) = 0;
+
+        // Maybe these should go into a ProgressTrackerClient some day
+        virtual void willChangeEstimatedProgress() { }
+        virtual void didChangeEstimatedProgress() { }
+        virtual void postProgressStartedNotification() = 0;
+        virtual void postProgressEstimateChangedNotification() = 0;
+        virtual void postProgressFinishedNotification() = 0;
+        
+        virtual void setMainFrameDocumentReady(bool) = 0;
+
+        virtual void startDownload(const ResourceRequest&) = 0;
+
+        virtual void willChangeTitle(DocumentLoader*) = 0;
+        virtual void didChangeTitle(DocumentLoader*) = 0;
+
+        virtual void committedLoad(DocumentLoader*, const char*, int) = 0;
+        virtual void finishedLoading(DocumentLoader*) = 0;
+        
+        virtual void updateGlobalHistory() = 0;
+        virtual void updateGlobalHistoryRedirectLinks() = 0;
+
+        virtual bool shouldGoToHistoryItem(HistoryItem*) const = 0;
+        virtual void dispatchDidAddBackForwardItem(HistoryItem*) const = 0;
+        virtual void dispatchDidRemoveBackForwardItem(HistoryItem*) const = 0;
+        virtual void dispatchDidChangeBackForwardIndex() const = 0;
+
+        // This frame has displayed inactive content (such as an image) from an
+        // insecure source.  Inactive content cannot spread to other frames.
+        virtual void didDisplayInsecureContent() = 0;
+
+        // The indicated security origin has run active content (such as a
+        // script) from an insecure source.  Note that the insecure content can
+        // spread to other frames in the same origin.
+        virtual void didRunInsecureContent(SecurityOrigin*) = 0;
+
+        virtual ResourceError cancelledError(const ResourceRequest&) = 0;
+        virtual ResourceError blockedError(const ResourceRequest&) = 0;
+        virtual ResourceError cannotShowURLError(const ResourceRequest&) = 0;
+        virtual ResourceError interruptForPolicyChangeError(const ResourceRequest&) = 0;
+
+        virtual ResourceError cannotShowMIMETypeError(const ResourceResponse&) = 0;
+        virtual ResourceError fileDoesNotExistError(const ResourceResponse&) = 0;
+        virtual ResourceError pluginWillHandleLoadError(const ResourceResponse&) = 0;
+
+        virtual bool shouldFallBack(const ResourceError&) = 0;
+
+        virtual bool canHandleRequest(const ResourceRequest&) const = 0;
+        virtual bool canShowMIMEType(const String& MIMEType) const = 0;
+        virtual bool canShowMIMETypeAsHTML(const String& MIMEType) const = 0;
+        virtual bool representationExistsForURLScheme(const String& URLScheme) const = 0;
+        virtual String generatedMIMETypeForURLScheme(const String& URLScheme) const = 0;
+
+        virtual void frameLoadCompleted() = 0;
+        virtual void saveViewStateToItem(HistoryItem*) = 0;
+        virtual void restoreViewState() = 0;
+        virtual void provisionalLoadStarted() = 0;
+        virtual void didFinishLoad() = 0;
+        virtual void prepareForDataSourceReplacement() = 0;
+
+        virtual PassRefPtr<DocumentLoader> createDocumentLoader(const ResourceRequest&, const SubstituteData&) = 0;
+        virtual void setTitle(const String& title, const KURL&) = 0;
+
+        virtual String userAgent(const KURL&) = 0;
+        
+        virtual void savePlatformDataToCachedFrame(CachedFrame*) = 0;
+        virtual void transitionToCommittedFromCachedFrame(CachedFrame*) = 0;
+        virtual void transitionToCommittedForNewPage() = 0;
+
+        virtual void didSaveToPageCache() = 0;
+        virtual void didRestoreFromPageCache() = 0;
+
+        virtual void dispatchDidBecomeFrameset(bool) = 0; // Can change due to navigation or DOM modification.
+
+        virtual bool canCachePage() const = 0;
+        virtual void download(ResourceHandle*, const ResourceRequest&, const ResourceRequest&, const ResourceResponse&) = 0;
+
+        virtual PassRefPtr<Frame> createFrame(const KURL& url, const String& name, HTMLFrameOwnerElement* ownerElement,
+                                   const String& referrer, bool allowsScrolling, int marginWidth, int marginHeight) = 0;
+        virtual void didTransferChildFrameToNewDocument(Page* oldPage) = 0;
+        virtual void transferLoadingResourceFromPage(unsigned long identifier, DocumentLoader*, const ResourceRequest&, Page* oldPage) = 0;
+        virtual PassRefPtr<Widget> createPlugin(const IntSize&, HTMLPlugInElement*, const KURL&, const Vector<String>&, const Vector<String>&, const String&, bool loadManually) = 0;
+        virtual void redirectDataToPlugin(Widget* pluginWidget) = 0;
+
+        virtual PassRefPtr<Widget> createJavaAppletWidget(const IntSize&, HTMLAppletElement*, const KURL& baseURL, const Vector<String>& paramNames, const Vector<String>& paramValues) = 0;
+
+        virtual void dispatchDidFailToStartPlugin(const PluginView*) const { }
+#if ENABLE(PLUGIN_PROXY_FOR_VIDEO)
+        virtual PassRefPtr<Widget> createMediaPlayerProxyPlugin(const IntSize&, HTMLMediaElement*, const KURL&, const Vector<String>&, const Vector<String>&, const String&) = 0;
+        virtual void hideMediaPlayerProxyPlugin(Widget*) = 0;
+        virtual void showMediaPlayerProxyPlugin(Widget*) = 0;
+#endif
+
+        virtual ObjectContentType objectContentType(const KURL& url, const String& mimeType) = 0;
+        virtual String overrideMediaType() const = 0;
+
+        virtual void dispatchDidClearWindowObjectInWorld(DOMWrapperWorld*) = 0;
+        virtual void documentElementAvailable() = 0;
+        virtual void didPerformFirstNavigation() const = 0; // "Navigation" here means a transition from one page to another that ends up in the back/forward list.
+
+#if USE(V8)
+        virtual void didCreateScriptContextForFrame() = 0;
+        virtual void didDestroyScriptContextForFrame() = 0;
+        virtual void didCreateIsolatedScriptContext() = 0;
+        virtual bool allowScriptExtension(const String& extensionName, int extensionGroup) = 0;
+#endif
+
+        virtual void registerForIconNotification(bool listen = true) = 0;
+#ifdef ANDROID_APPLE_TOUCH_ICON
+        virtual void dispatchDidReceiveTouchIconURL(const String& url, bool precomposed) = 0;
+#endif
+        
+#if PLATFORM(MAC)
+        // Allow an accessibility object to retrieve a Frame parent if there's no PlatformWidget.
+        virtual RemoteAXObjectRef accessibilityRemoteObject() = 0;
+#if ENABLE(JAVA_BRIDGE)
+        virtual jobject javaApplet(NSView*) { return 0; }
+#endif
+        virtual NSCachedURLResponse* willCacheResponse(DocumentLoader*, unsigned long identifier, NSCachedURLResponse*) const = 0;
+#endif
+#if USE(CFNETWORK)
+        virtual bool shouldCacheResponse(DocumentLoader*, unsigned long identifier, const ResourceResponse&, const unsigned char* data, unsigned long long length) = 0;
+#endif
+
+        virtual bool shouldUsePluginDocument(const String& /*mimeType*/) const { return false; }
+        virtual bool shouldLoadMediaElementURL(const KURL&) const { return true; }
+
+        virtual void didChangeScrollOffset() { }
+
+        virtual bool allowJavaScript(bool enabledPerSettings) { return enabledPerSettings; }
+        virtual bool allowPlugins(bool enabledPerSettings) { return enabledPerSettings; }
+        virtual bool allowImages(bool enabledPerSettings) { return enabledPerSettings; }
+
+        // This callback notifies the client that the frame was about to run
+        // JavaScript but did not because allowJavaScript returned false. We
+        // have a separate callback here because there are a number of places
+        // that need to know if JavaScript is enabled but are not necessarily
+        // preparing to execute script.
+        virtual void didNotAllowScript() { }
+        // This callback is similar, but for plugins.
+        virtual void didNotAllowPlugins() { }
+
+        virtual PassRefPtr<FrameNetworkingContext> createNetworkingContext() = 0;
+    };
+
+} // namespace WebCore
+
+#endif // FrameLoaderClient_h