webengine/osswebengine/WebKit/win/WebFrame.h
changeset 0 dd21522fd290
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     1 /*
       
     2  * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.
       
     3  *
       
     4  * Redistribution and use in source and binary forms, with or without
       
     5  * modification, are permitted provided that the following conditions
       
     6  * are met:
       
     7  * 1. Redistributions of source code must retain the above copyright
       
     8  *    notice, this list of conditions and the following disclaimer.
       
     9  * 2. Redistributions in binary form must reproduce the above copyright
       
    10  *    notice, this list of conditions and the following disclaimer in the
       
    11  *    documentation and/or other materials provided with the distribution.
       
    12  *
       
    13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
       
    14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
       
    15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
       
    16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
       
    17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
       
    18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
       
    19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
       
    20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
       
    21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
       
    22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
       
    23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
       
    24  */
       
    25 
       
    26 #ifndef WebFrame_H
       
    27 #define WebFrame_H
       
    28 
       
    29 #include "DOMCore.h"
       
    30 #include "IWebFormDelegate.h"
       
    31 #include "IWebFrame.h"
       
    32 #include "IWebFramePrivate.h"
       
    33 #include "WebDataSource.h"
       
    34 
       
    35 #pragma warning(push, 0)
       
    36 #include <WebCore/FrameLoaderClient.h>
       
    37 #include <WebCore/FrameWin.h>
       
    38 #include <WebCore/KURL.h>
       
    39 #include <WebCore/PlatformString.h>
       
    40 #include <WebCore/ResourceHandleClient.h>
       
    41 #pragma warning(pop)
       
    42 
       
    43 #include <WTF/RefPtr.h>
       
    44 #include <WTF/HashMap.h>
       
    45 
       
    46 namespace WebCore {
       
    47     class AuthenticationChallenge;
       
    48     class DocumentLoader;
       
    49     class Element;
       
    50     class Frame;
       
    51     class HTMLFrameOwnerElement;
       
    52     class IntRect;
       
    53     class Page;
       
    54     class ResourceError;
       
    55     class SharedBuffer;
       
    56 }
       
    57 
       
    58 typedef const struct OpaqueJSContext* JSContextRef;
       
    59 typedef struct OpaqueJSValue* JSObjectRef;
       
    60 
       
    61 class WebFrame;
       
    62 class WebFramePolicyListener;
       
    63 class WebHistory;
       
    64 class WebView;
       
    65 
       
    66 interface IWebHistoryItemPrivate;
       
    67 
       
    68 WebFrame* kit(WebCore::Frame*);
       
    69 WebCore::Frame* core(WebFrame*);
       
    70 
       
    71 extern const GUID IID_WebFrame;
       
    72 
       
    73 class WebFrame : public IWebFrame, IWebFramePrivate
       
    74     , public WebCore::FrameLoaderClient
       
    75 {
       
    76 public:
       
    77     static WebFrame* createInstance();
       
    78 protected:
       
    79     WebFrame();
       
    80     ~WebFrame();
       
    81 
       
    82 public:
       
    83     // IUnknown
       
    84     virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void** ppvObject);
       
    85     virtual ULONG STDMETHODCALLTYPE AddRef(void);
       
    86     virtual ULONG STDMETHODCALLTYPE Release(void);
       
    87 
       
    88     //IWebFrame
       
    89     virtual HRESULT STDMETHODCALLTYPE name( 
       
    90         /* [retval][out] */ BSTR *frameName);
       
    91     
       
    92     virtual HRESULT STDMETHODCALLTYPE webView( 
       
    93         /* [retval][out] */ IWebView **view);
       
    94 
       
    95     virtual HRESULT STDMETHODCALLTYPE frameView(
       
    96         /* [retval][out] */ IWebFrameView **view);
       
    97 
       
    98     virtual HRESULT STDMETHODCALLTYPE DOMDocument( 
       
    99         /* [retval][out] */ IDOMDocument** document);
       
   100     
       
   101     virtual HRESULT STDMETHODCALLTYPE frameElement( 
       
   102         /* [retval][out] */ IDOMHTMLElement **frameElement);
       
   103     
       
   104     virtual HRESULT STDMETHODCALLTYPE loadRequest( 
       
   105         /* [in] */ IWebURLRequest *request);
       
   106     
       
   107     virtual HRESULT STDMETHODCALLTYPE loadData( 
       
   108         /* [in] */ IStream *data,
       
   109         /* [in] */ BSTR mimeType,
       
   110         /* [in] */ BSTR textEncodingName,
       
   111         /* [in] */ BSTR url);
       
   112     
       
   113     virtual HRESULT STDMETHODCALLTYPE loadHTMLString( 
       
   114         /* [in] */ BSTR string,
       
   115         /* [in] */ BSTR baseURL);
       
   116     
       
   117     virtual HRESULT STDMETHODCALLTYPE loadAlternateHTMLString( 
       
   118         /* [in] */ BSTR str,
       
   119         /* [in] */ BSTR baseURL,
       
   120         /* [in] */ BSTR unreachableURL);
       
   121     
       
   122     virtual HRESULT STDMETHODCALLTYPE loadArchive( 
       
   123         /* [in] */ IWebArchive *archive);
       
   124     
       
   125     virtual HRESULT STDMETHODCALLTYPE dataSource( 
       
   126         /* [retval][out] */ IWebDataSource **source);
       
   127     
       
   128     virtual HRESULT STDMETHODCALLTYPE provisionalDataSource( 
       
   129         /* [retval][out] */ IWebDataSource **source);
       
   130     
       
   131     virtual HRESULT STDMETHODCALLTYPE stopLoading( void);
       
   132     
       
   133     virtual HRESULT STDMETHODCALLTYPE reload( void);
       
   134     
       
   135     virtual HRESULT STDMETHODCALLTYPE findFrameNamed( 
       
   136         /* [in] */ BSTR name,
       
   137         /* [retval][out] */ IWebFrame **frame);
       
   138     
       
   139     virtual HRESULT STDMETHODCALLTYPE parentFrame( 
       
   140         /* [retval][out] */ IWebFrame **frame);
       
   141     
       
   142     virtual HRESULT STDMETHODCALLTYPE childFrames( 
       
   143         /* [retval][out] */ IEnumVARIANT **enumFrames);
       
   144 
       
   145     virtual HRESULT STDMETHODCALLTYPE currentForm( 
       
   146         /* [retval][out] */ IDOMElement **formElement);
       
   147 
       
   148     // IWebFramePrivate
       
   149     virtual HRESULT STDMETHODCALLTYPE renderTreeAsExternalRepresentation(
       
   150         /* [retval][out] */ BSTR *result);
       
   151 
       
   152     virtual HRESULT STDMETHODCALLTYPE scrollOffset(
       
   153         /* [retval][out] */ SIZE* offset);
       
   154 
       
   155     virtual HRESULT STDMETHODCALLTYPE layout();
       
   156 
       
   157     virtual HRESULT STDMETHODCALLTYPE firstLayoutDone(
       
   158         /* [retval][out] */ BOOL* result);
       
   159 
       
   160     virtual HRESULT STDMETHODCALLTYPE loadType( 
       
   161         /* [retval][out] */ WebFrameLoadType* type);
       
   162 
       
   163     virtual HRESULT STDMETHODCALLTYPE setInPrintingMode( 
       
   164         /* [in] */ BOOL value,
       
   165         /* [in] */ HDC printDC);
       
   166         
       
   167     virtual HRESULT STDMETHODCALLTYPE getPrintedPageCount( 
       
   168         /* [in] */ HDC printDC,
       
   169         /* [retval][out] */ UINT *pageCount);
       
   170     
       
   171     virtual HRESULT STDMETHODCALLTYPE spoolPages( 
       
   172         /* [in] */ HDC printDC,
       
   173         /* [in] */ UINT startPage,
       
   174         /* [in] */ UINT endPage,
       
   175         /* [retval][out] */ void* ctx);
       
   176 
       
   177     virtual HRESULT STDMETHODCALLTYPE isFrameSet( 
       
   178         /* [retval][out] */ BOOL* result);
       
   179 
       
   180     virtual HRESULT STDMETHODCALLTYPE string( 
       
   181         /* [retval][out] */ BSTR* result);
       
   182 
       
   183     virtual HRESULT STDMETHODCALLTYPE size( 
       
   184         /* [retval][out] */ SIZE *size);
       
   185 
       
   186     virtual HRESULT STDMETHODCALLTYPE hasScrollBars( 
       
   187         /* [retval][out] */ BOOL *result);
       
   188     
       
   189     virtual HRESULT STDMETHODCALLTYPE contentBounds( 
       
   190         /* [retval][out] */ RECT *result);
       
   191     
       
   192     virtual HRESULT STDMETHODCALLTYPE frameBounds( 
       
   193         /* [retval][out] */ RECT *result);
       
   194 
       
   195     virtual HRESULT STDMETHODCALLTYPE isDescendantOfFrame( 
       
   196         /* [in] */ IWebFrame *ancestor,
       
   197         /* [retval][out] */ BOOL *result);
       
   198 
       
   199     virtual HRESULT STDMETHODCALLTYPE setAllowsScrolling(
       
   200         /* [in] */ BOOL flag);
       
   201 
       
   202     virtual HRESULT STDMETHODCALLTYPE allowsScrolling(
       
   203         /* [retval][out] */ BOOL *flag);
       
   204 
       
   205 
       
   206     // FrameWinClient
       
   207     virtual void ref();
       
   208     virtual void deref();
       
   209 
       
   210     virtual PassRefPtr<WebCore::Frame> createFrame(const WebCore::KURL&, const WebCore::String& name, WebCore::HTMLFrameOwnerElement*, const WebCore::String& referrer);
       
   211     virtual void openURL(const WebCore::String& URL, const WebCore::Event* triggeringEvent, bool newWindow, bool lockHistory);
       
   212     virtual void windowScriptObjectAvailable(JSContextRef context, JSObjectRef windowObject);
       
   213     
       
   214     // FrameLoaderClient
       
   215     virtual void frameLoaderDestroyed();
       
   216     virtual bool hasWebView() const;
       
   217     virtual bool hasFrameView() const;
       
   218     virtual bool privateBrowsingEnabled() const;
       
   219     virtual void makeDocumentView();
       
   220     virtual void makeRepresentation(WebCore::DocumentLoader*);
       
   221     virtual void forceLayout();
       
   222     virtual void forceLayoutForNonHTML();
       
   223     virtual void setCopiesOnScroll();
       
   224     virtual void detachedFromParent1();
       
   225     virtual void detachedFromParent2();
       
   226     virtual void detachedFromParent3();
       
   227     virtual void detachedFromParent4();
       
   228     virtual void loadedFromCachedPage();
       
   229     virtual void dispatchDidHandleOnloadEvents();
       
   230     virtual void dispatchDidReceiveServerRedirectForProvisionalLoad();
       
   231     virtual void dispatchDidCancelClientRedirect();
       
   232     virtual void dispatchWillPerformClientRedirect(const WebCore::KURL&, double interval, double fireDate);
       
   233     virtual void dispatchDidChangeLocationWithinPage();
       
   234     virtual void dispatchWillClose();
       
   235     virtual void dispatchDidReceiveIcon();
       
   236     virtual void dispatchDidStartProvisionalLoad();
       
   237     virtual void dispatchDidReceiveTitle(const WebCore::String& title);
       
   238     virtual void dispatchDidCommitLoad();
       
   239     virtual void dispatchDidFinishDocumentLoad();
       
   240     virtual void dispatchDidFinishLoad();
       
   241     virtual void dispatchDidFirstLayout();
       
   242     virtual void dispatchShow();
       
   243     virtual void cancelPolicyCheck();
       
   244     virtual void dispatchWillSubmitForm(WebCore::FramePolicyFunction, PassRefPtr<WebCore::FormState>);
       
   245     virtual void dispatchDidLoadMainResource(WebCore::DocumentLoader*);
       
   246     virtual void revertToProvisionalState(WebCore::DocumentLoader*);
       
   247     virtual void clearUnarchivingState(WebCore::DocumentLoader*);
       
   248     virtual void setMainFrameDocumentReady(bool);
       
   249     virtual void willChangeTitle(WebCore::DocumentLoader*);
       
   250     virtual void didChangeTitle(WebCore::DocumentLoader*);
       
   251     virtual void finishedLoading(WebCore::DocumentLoader*);
       
   252     virtual void finalSetupForReplace(WebCore::DocumentLoader*);
       
   253     virtual void setDefersLoading(bool);
       
   254     virtual bool isArchiveLoadPending(WebCore::ResourceLoader*) const;
       
   255     virtual void cancelPendingArchiveLoad(WebCore::ResourceLoader*);
       
   256     virtual void clearArchivedResources();
       
   257     virtual bool canHandleRequest(const WebCore::ResourceRequest&) const;
       
   258     virtual bool canShowMIMEType(const WebCore::String& MIMEType) const;
       
   259     virtual bool representationExistsForURLScheme(const WebCore::String& URLScheme) const;
       
   260     virtual WebCore::String generatedMIMETypeForURLScheme(const WebCore::String& URLScheme) const;
       
   261     virtual void frameLoadCompleted();
       
   262     virtual void restoreViewState();
       
   263     virtual void provisionalLoadStarted();
       
   264     virtual bool shouldTreatURLAsSameAsCurrent(const WebCore::KURL&) const;
       
   265     virtual void addHistoryItemForFragmentScroll();
       
   266     virtual void didFinishLoad();
       
   267     virtual void prepareForDataSourceReplacement();
       
   268     virtual void setTitle(const WebCore::String& title, const WebCore::KURL&);
       
   269     virtual WebCore::String userAgent(const WebCore::KURL&);
       
   270     virtual void setDocumentViewFromCachedPage(WebCore::CachedPage *);
       
   271     virtual void updateGlobalHistoryForStandardLoad(const WebCore::KURL &);
       
   272     virtual void updateGlobalHistoryForReload(const WebCore::KURL &);
       
   273     virtual bool shouldGoToHistoryItem(WebCore::HistoryItem *) const;
       
   274     virtual void saveViewStateToItem(WebCore::HistoryItem *);
       
   275     virtual void saveDocumentViewToCachedPage(WebCore::CachedPage *);
       
   276     virtual bool canCachePage(void) const;
       
   277     virtual PassRefPtr<WebCore::DocumentLoader> createDocumentLoader(const WebCore::ResourceRequest&, const WebCore::SubstituteData&);
       
   278     virtual void setMainDocumentError(WebCore::DocumentLoader*, const WebCore::ResourceError&);
       
   279     virtual WebCore::ResourceError cancelledError(const WebCore::ResourceRequest&);
       
   280     virtual WebCore::ResourceError blockedError(const WebCore::ResourceRequest&);
       
   281     virtual WebCore::ResourceError cannotShowURLError(const WebCore::ResourceRequest&);
       
   282     virtual WebCore::ResourceError interruptForPolicyChangeError(const WebCore::ResourceRequest&);
       
   283     virtual WebCore::ResourceError cannotShowMIMETypeError(const WebCore::ResourceResponse&);
       
   284     virtual WebCore::ResourceError fileDoesNotExistError(const WebCore::ResourceResponse&);
       
   285     virtual bool shouldFallBack(const WebCore::ResourceError&);
       
   286     virtual void committedLoad(WebCore::DocumentLoader*, const char*, int);
       
   287     virtual void dispatchDecidePolicyForMIMEType(WebCore::FramePolicyFunction, const WebCore::String& MIMEType, const WebCore::ResourceRequest&);
       
   288     virtual void dispatchDecidePolicyForNewWindowAction(WebCore::FramePolicyFunction, const WebCore::NavigationAction&, const WebCore::ResourceRequest&, const WebCore::String& frameName);
       
   289     virtual void dispatchDecidePolicyForNavigationAction(WebCore::FramePolicyFunction, const WebCore::NavigationAction&, const WebCore::ResourceRequest&);
       
   290     virtual void dispatchUnableToImplementPolicy(const WebCore::ResourceError&);
       
   291     virtual bool willUseArchive(WebCore::ResourceLoader*, const WebCore::ResourceRequest&, const WebCore::KURL& originalURL) const;
       
   292     virtual void download(WebCore::ResourceHandle*, const WebCore::ResourceRequest&, const WebCore::ResourceRequest&, const WebCore::ResourceResponse&);
       
   293 
       
   294     virtual void assignIdentifierToInitialRequest(unsigned long identifier, WebCore::DocumentLoader*, const WebCore::ResourceRequest&);
       
   295     virtual void dispatchWillSendRequest(WebCore::DocumentLoader*, unsigned long identifier, WebCore::ResourceRequest&, const WebCore::ResourceResponse& redirectResponse);
       
   296     virtual void dispatchDidReceiveResponse(WebCore::DocumentLoader*, unsigned long identifier, const WebCore::ResourceResponse&);
       
   297     virtual void dispatchDidReceiveContentLength(WebCore::DocumentLoader*, unsigned long identifier, int lengthReceived);
       
   298     virtual void dispatchDidFinishLoading(WebCore::DocumentLoader*, unsigned long identifier);
       
   299     virtual void dispatchDidFailLoading(WebCore::DocumentLoader*, unsigned long identifier, const WebCore::ResourceError&);
       
   300     virtual bool dispatchDidLoadResourceFromMemoryCache(WebCore::DocumentLoader*, const WebCore::ResourceRequest&, const WebCore::ResourceResponse&, int length);
       
   301     virtual void dispatchDidFailProvisionalLoad(const WebCore::ResourceError&);
       
   302     virtual void dispatchDidFailLoad(const WebCore::ResourceError&);
       
   303     virtual WebCore::Frame* dispatchCreatePage();
       
   304     virtual void startDownload(const WebCore::ResourceRequest&);
       
   305     virtual void dispatchDidReceiveAuthenticationChallenge(WebCore::DocumentLoader*, unsigned long identifier, const WebCore::AuthenticationChallenge&);
       
   306     virtual void dispatchDidCancelAuthenticationChallenge(WebCore::DocumentLoader*, unsigned long identifier, const WebCore::AuthenticationChallenge&);
       
   307 
       
   308     virtual void postProgressStartedNotification();
       
   309     virtual void postProgressEstimateChangedNotification();
       
   310     virtual void postProgressFinishedNotification();
       
   311 
       
   312     virtual PassRefPtr<WebCore::Frame> createFrame(const WebCore::KURL& url, const WebCore::String& name, WebCore::HTMLFrameOwnerElement* ownerElement,
       
   313                                const WebCore::String& referrer, bool allowsScrolling, int marginWidth, int marginHeight);
       
   314     virtual WebCore::Widget* createPlugin(const WebCore::IntSize&, WebCore::Element*, const WebCore::KURL&, const Vector<WebCore::String>&, const Vector<WebCore::String>&, const WebCore::String&, bool loadManually);
       
   315     virtual void redirectDataToPlugin(WebCore::Widget* pluginWidget);
       
   316         
       
   317     virtual WebCore::Widget* createJavaAppletWidget(const WebCore::IntSize&, WebCore::Element*, const WebCore::KURL& baseURL, const Vector<WebCore::String>& paramNames, const Vector<WebCore::String>& paramValues);
       
   318 
       
   319     virtual WebCore::ObjectContentType objectContentType(const WebCore::KURL& url, const WebCore::String& mimeType);
       
   320     virtual WebCore::String overrideMediaType() const;
       
   321 
       
   322     virtual void windowObjectCleared() const;
       
   323     virtual void didPerformFirstNavigation() const;
       
   324     
       
   325     virtual void registerForIconNotification(bool listen);
       
   326 
       
   327     // WebFrame
       
   328     void initWithWebFrameView(IWebFrameView*, IWebView*, WebCore::Page*, WebCore::HTMLFrameOwnerElement*);
       
   329     WebCore::Frame* impl();
       
   330     void invalidate();
       
   331     void receivedData(const char*, int, const WebCore::String&);
       
   332     void unmarkAllMisspellings();
       
   333     void unmarkAllBadGrammar();
       
   334 
       
   335     // WebFrame (matching WebCoreFrameBridge)
       
   336     void setTextSizeMultiplier(float multiplier);
       
   337     HRESULT inViewSourceMode(BOOL *flag);
       
   338     HRESULT setInViewSourceMode(BOOL flag);
       
   339     HRESULT elementWithName(BSTR name, IDOMElement* form, IDOMElement** element);
       
   340     HRESULT formForElement(IDOMElement* element, IDOMElement** form);
       
   341     HRESULT elementDoesAutoComplete(IDOMElement* element, bool* result);
       
   342     HRESULT controlsInForm(IDOMElement* form, IDOMElement** controls, int* cControls);
       
   343     HRESULT elementIsPassword(IDOMElement* element, bool* result);
       
   344     HRESULT searchForLabelsBeforeElement(const BSTR* labels, int cLabels, IDOMElement* beforeElement, BSTR* result);
       
   345     HRESULT matchLabelsAgainstElement(const BSTR* labels, int cLabels, IDOMElement* againstElement, BSTR* result);
       
   346     HRESULT canProvideDocumentSource(bool* result);
       
   347     WebHistory* webHistory();
       
   348 
       
   349     COMPtr<WebFramePolicyListener> setUpPolicyListener(WebCore::FramePolicyFunction function);
       
   350     void receivedPolicyDecision(WebCore::PolicyAction);
       
   351 
       
   352     WebCore::KURL url() const;
       
   353 protected:
       
   354     void loadHTMLString(BSTR string, BSTR baseURL, BSTR unreachableURL);
       
   355     void loadData(PassRefPtr<WebCore::SharedBuffer>, BSTR mimeType, BSTR textEncodingName, BSTR baseURL, BSTR failingURL);
       
   356     void loadURLIntoChild(const WebCore::KURL&, const WebCore::String& referrer, WebFrame* childFrame);
       
   357     const Vector<WebCore::IntRect>& computePageRects(HDC printDC);
       
   358     void setPrinting(bool printing, float minPageWidth, float maxPageWidth, bool adjustViewSize);
       
   359     void headerAndFooterHeights(float*, float*);
       
   360     WebCore::IntRect printerMarginRect(HDC);
       
   361 
       
   362 protected:
       
   363     ULONG               m_refCount;
       
   364     class WebFramePrivate;
       
   365     WebFramePrivate*    d;
       
   366     bool                m_quickRedirectComing;
       
   367     WebCore::KURL       m_originalRequestURL;
       
   368     bool                m_inPrintingMode;
       
   369     Vector<WebCore::IntRect> m_pageRects;
       
   370     int m_pageHeight;   // height of the page adjusted by margins
       
   371 };
       
   372 
       
   373 #endif