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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef WEBKIT_GLUE_WEBFRAMELOADERCLIENT_IMPL_H__
#define WEBKIT_GLUE_WEBFRAMELOADERCLIENT_IMPL_H__
#include <set>
#include "base/compiler_specific.h"
MSVC_PUSH_WARNING_LEVEL(0);
#include "FrameLoaderClient.h"
MSVC_POP_WARNING();
#include "build/build_config.h"
#include "googleurl/src/gurl.h"
#include "webkit/glue/webview_delegate.h"
#include "webkit/glue/window_open_disposition.h"
namespace WebCore {
class Frame;
class HTMLFormElement;
class Widget;
}
class Alt404PageResourceFetcher;
class WebFrameImpl;
class WebPluginContainer;
class WebFrameLoaderClient : public WebCore::FrameLoaderClient {
public:
WebFrameLoaderClient(WebFrameImpl* webframe);
virtual ~WebFrameLoaderClient();
WebFrameImpl* webframe() const { return webframe_; }
// WebCore::FrameLoaderClient ----------------------------------------------
virtual void frameLoaderDestroyed();
// Notifies the WebView delegate that the JS window object has been cleared,
// giving it a chance to bind native objects to the window before script
// parsing begins.
virtual void windowObjectCleared();
virtual bool hasWebView() const; // mainly for assertions
virtual bool hasFrameView() const; // ditto
virtual void makeRepresentation(WebCore::DocumentLoader*);
virtual void forceLayout();
virtual void forceLayoutForNonHTML();
virtual void setCopiesOnScroll();
virtual void detachedFromParent2();
virtual void detachedFromParent3();
virtual void assignIdentifierToInitialRequest(unsigned long identifier, WebCore::DocumentLoader*, const WebCore::ResourceRequest&);
virtual void dispatchWillSendRequest(WebCore::DocumentLoader*, unsigned long identifier, WebCore::ResourceRequest&, const WebCore::ResourceResponse& redirectResponse);
virtual void dispatchDidReceiveAuthenticationChallenge(WebCore::DocumentLoader*, unsigned long identifier, const WebCore::AuthenticationChallenge&);
virtual void dispatchDidCancelAuthenticationChallenge(WebCore::DocumentLoader*, unsigned long identifier, const WebCore::AuthenticationChallenge&);
virtual void dispatchDidReceiveResponse(WebCore::DocumentLoader*, unsigned long identifier, const WebCore::ResourceResponse&);
virtual void dispatchDidReceiveContentLength(WebCore::DocumentLoader*, unsigned long identifier, int lengthReceived);
virtual void dispatchDidFinishLoading(WebCore::DocumentLoader*, unsigned long identifier);
virtual void dispatchDidFailLoading(WebCore::DocumentLoader*, unsigned long identifier, const WebCore::ResourceError&);
virtual bool dispatchDidLoadResourceFromMemoryCache(WebCore::DocumentLoader*, const WebCore::ResourceRequest&, const WebCore::ResourceResponse&, int length);
virtual void dispatchDidHandleOnloadEvents();
virtual void dispatchDidReceiveServerRedirectForProvisionalLoad();
virtual void dispatchDidCancelClientRedirect();
virtual void dispatchWillPerformClientRedirect(const WebCore::KURL&, double interval, double fireDate);
virtual void dispatchDidChangeLocationWithinPage();
virtual void dispatchWillClose();
virtual void dispatchDidReceiveIcon();
virtual void dispatchDidStartProvisionalLoad();
virtual void dispatchDidReceiveTitle(const WebCore::String& title);
virtual void dispatchDidCommitLoad();
virtual void dispatchDidFailProvisionalLoad(const WebCore::ResourceError&);
virtual void dispatchDidFailLoad(const WebCore::ResourceError&);
virtual void dispatchDidFinishDocumentLoad();
virtual void dispatchDidFinishLoad();
virtual void dispatchDidFirstLayout();
virtual WebCore::Frame* dispatchCreatePage();
virtual void dispatchShow();
virtual void dispatchDecidePolicyForMIMEType(WebCore::FramePolicyFunction function, const WebCore::String& mime_type, const WebCore::ResourceRequest&);
virtual void dispatchDecidePolicyForNewWindowAction(WebCore::FramePolicyFunction function, const WebCore::NavigationAction& action, const WebCore::ResourceRequest& request, PassRefPtr<WebCore::FormState> form_state, const WebCore::String& frame_name);
virtual void dispatchDecidePolicyForNavigationAction(WebCore::FramePolicyFunction function, const WebCore::NavigationAction& action, const WebCore::ResourceRequest& request, PassRefPtr<WebCore::FormState> form_state);
virtual void cancelPolicyCheck();
virtual void dispatchUnableToImplementPolicy(const WebCore::ResourceError&);
virtual void dispatchWillSubmitForm(WebCore::FramePolicyFunction, PassRefPtr<WebCore::FormState>);
virtual void dispatchDidLoadMainResource(WebCore::DocumentLoader*);
virtual void revertToProvisionalState(WebCore::DocumentLoader*);
virtual void setMainDocumentError(WebCore::DocumentLoader*, const WebCore::ResourceError&);
// Maybe these should go into a ProgressTrackerClient some day
virtual void willChangeEstimatedProgress() { }
virtual void didChangeEstimatedProgress() { }
virtual void postProgressStartedNotification();
virtual void postProgressEstimateChangedNotification();
virtual void postProgressFinishedNotification();
virtual void setMainFrameDocumentReady(bool);
virtual void startDownload(const WebCore::ResourceRequest&);
virtual void willChangeTitle(WebCore::DocumentLoader*);
virtual void didChangeTitle(WebCore::DocumentLoader*);
virtual void committedLoad(WebCore::DocumentLoader*, const char*, int);
virtual void finishedLoading(WebCore::DocumentLoader*);
virtual void updateGlobalHistory(const WebCore::KURL&);
virtual bool shouldGoToHistoryItem(WebCore::HistoryItem*) const;
virtual WebCore::ResourceError blockedError(const WebCore::ResourceRequest&);
virtual WebCore::ResourceError cancelledError(const WebCore::ResourceRequest&);
virtual WebCore::ResourceError cannotShowURLError(const WebCore::ResourceRequest&);
virtual WebCore::ResourceError interruptForPolicyChangeError(const WebCore::ResourceRequest&);
virtual WebCore::ResourceError cannotShowMIMETypeError(const WebCore::ResourceResponse&);
virtual WebCore::ResourceError fileDoesNotExistError(const WebCore::ResourceResponse&);
virtual WebCore::ResourceError pluginWillHandleLoadError(const WebCore::ResourceResponse&);
virtual bool shouldFallBack(const WebCore::ResourceError&);
virtual bool canHandleRequest(const WebCore::ResourceRequest&) const;
virtual bool canShowMIMEType(const WebCore::String& MIMEType) const;
virtual bool representationExistsForURLScheme(const WebCore::String& URLScheme) const;
virtual WebCore::String generatedMIMETypeForURLScheme(const WebCore::String& URLScheme) const;
virtual void frameLoadCompleted();
virtual void saveViewStateToItem(WebCore::HistoryItem*);
virtual void restoreViewState();
virtual void provisionalLoadStarted();
virtual void didFinishLoad();
virtual void prepareForDataSourceReplacement();
virtual PassRefPtr<WebCore::DocumentLoader> createDocumentLoader(
const WebCore::ResourceRequest&,
const WebCore::SubstituteData&);
virtual void setTitle(const WebCore::String& title, const WebCore::KURL&);
virtual WebCore::String userAgent(const WebCore::KURL&);
virtual void savePlatformDataToCachedPage(WebCore::CachedPage*);
virtual void transitionToCommittedFromCachedPage(WebCore::CachedPage*);
virtual void transitionToCommittedForNewPage();
virtual bool canCachePage() const;
virtual void download(WebCore::ResourceHandle* handle,
const WebCore::ResourceRequest& request,
const WebCore::ResourceRequest& initialRequest,
const WebCore::ResourceResponse& response);
virtual PassRefPtr<WebCore::Frame> createFrame(
const WebCore::KURL& url,
const WebCore::String& name,
WebCore::HTMLFrameOwnerElement* ownerElement,
const WebCore::String& referrer,
bool allowsScrolling, int marginWidth,
int marginHeight);
virtual WebCore::Widget* createPlugin(const WebCore::IntSize&,
WebCore::Element*,
const WebCore::KURL&,
const WTF::Vector<WebCore::String>&,
const WTF::Vector<WebCore::String>&,
const WebCore::String&,
bool loadManually);
virtual void redirectDataToPlugin(WebCore::Widget* pluginWidget);
virtual WebCore::Widget* createJavaAppletWidget(const WebCore::IntSize&,
WebCore::Element*, const WebCore::KURL& baseURL,
const WTF::Vector<WebCore::String>& paramNames,
const WTF::Vector<WebCore::String>& paramValues);
virtual WebCore::ObjectContentType objectContentType(const WebCore::KURL& url,
const WebCore::String& mimeType);
virtual WebCore::String overrideMediaType() const;
virtual void didPerformFirstNavigation() const;
virtual void registerForIconNotification(bool listen = true);
// Callback function for download of alternate 404 pages. If the server is
// down or we take more than 1s to download the page, html will be an empty
// string.
void Alt404PageFinished(WebCore::DocumentLoader* loader,
const std::string& html);
private:
void makeDocumentView();
// Given a NavigationAction, determine the associated window opening
// disposition. For example, a middle click means "open in background tab".
static bool ActionSpecifiesDisposition(
const WebCore::NavigationAction& action,
WindowOpenDisposition* disposition);
// Returns a valid GURL if we have an alt 404 server URL.
GURL GetAlt404PageUrl(WebCore::DocumentLoader* loader);
// Returns NavigationGestureAuto if the last load was not user initiated,
// otherwise returns NavigationGestureUnknown.
NavigationGesture NavigationGestureForLastLoad();
// Registers the text input fields in the passed form for autofill, with the
// exclusion of any field whose name is contained in |excluded_fields|.
void RegisterAutofillListeners(WebCore::HTMLFormElement* form,
const std::set<std::wstring>& excluded_fields);
// The WebFrame that owns this object and manages its lifetime. Therefore,
// the web frame object is guaranteed to exist.
WebFrameImpl* webframe_;
// Resource fetcher for downloading an alternate 404 page.
scoped_ptr<Alt404PageResourceFetcher> alt_404_page_fetcher_;
bool postpone_loading_data_;
std::string postponed_data_;
// True if makeRepresentation was called. We don't actually have a concept
// of a "representation", but we need to know when we're expected to have one.
// See finishedLoading().
bool has_representation_;
// Used to help track client redirects. When a provisional load starts, it
// has no redirects in its chain. But in the case of client redirects, we want
// to add that initial load as a redirect. When we get a new provisional load
// and the dest URL matches that load, we know that it was the result of a
// previous client redirect and the source should be added as a redirect.
// Both should be empty if unused.
GURL expected_client_redirect_src_;
GURL expected_client_redirect_dest_;
// Contains a pointer to the plugin widget.
WebPluginContainer* plugin_widget_;
// Indicates if we need to send over the initial notification to the plugin
// which specifies that the plugin should be ready to accept data.
bool sent_initial_response_to_plugin_;
// The disposition to use for the next call to dispatchCreatePage.
WindowOpenDisposition next_window_open_disposition_;
};
#endif // #ifndef WEBKIT_GLUE_WEBFRAMELOADERCLIENT_IMPL_H__
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