1 /* 2 * Copyright (C) 2006, 2007, 2011 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 "WebFrameLoaderClient.h" 30 31 #include "WebKit.h" 32 #include "WebDataSource.h" 33 34 #include "AccessibleDocument.h" 35 36 #include <WebCore/FrameWin.h> 37 #include <WebCore/GraphicsContext.h> 38 #include <WebCore/KURL.h> 39 #include <WebCore/PlatformString.h> 40 #include <WebCore/ResourceHandleClient.h> 41 42 #include <WTF/RefPtr.h> 43 #include <WTF/HashMap.h> 44 #include <WTF/OwnPtr.h> 45 46 namespace WebCore { 47 class AuthenticationChallenge; 48 class DocumentLoader; 49 class Element; 50 class Frame; 51 class GraphicsContext; 52 class HTMLFrameOwnerElement; 53 class IntRect; 54 class Page; 55 class ResourceError; 56 class SharedBuffer; 57 } 58 59 typedef const struct OpaqueJSContext* JSContextRef; 60 typedef struct OpaqueJSValue* JSObjectRef; 61 62 #if USE(CG) 63 typedef struct CGContext PlatformGraphicsContext; 64 #elif USE(CAIRO) 65 namespace WebCore { 66 class PlatformContextCairo; 67 } 68 typedef class WebCore::PlatformContextCairo PlatformGraphicsContext; 69 #endif 70 71 class WebFrame; 72 class WebFramePolicyListener; 73 class WebHistory; 74 class WebView; 75 76 interface IWebHistoryItemPrivate; 77 78 WebFrame* kit(WebCore::Frame*); 79 WebCore::Frame* core(WebFrame*); 80 81 class DECLSPEC_UUID("{A3676398-4485-4a9d-87DC-CB5A40E6351D}") WebFrame : public IWebFrame, IWebFramePrivate, IWebDocumentText 82 , public WebFrameLoaderClient 83 { 84 public: 85 static WebFrame* createInstance(); 86 protected: 87 WebFrame(); 88 ~WebFrame(); 89 90 public: 91 // IUnknown 92 virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void** ppvObject); 93 virtual ULONG STDMETHODCALLTYPE AddRef(void); 94 virtual ULONG STDMETHODCALLTYPE Release(void); 95 96 //IWebFrame 97 virtual HRESULT STDMETHODCALLTYPE name( 98 /* [retval][out] */ BSTR *frameName); 99 100 virtual HRESULT STDMETHODCALLTYPE webView( 101 /* [retval][out] */ IWebView **view); 102 103 virtual HRESULT STDMETHODCALLTYPE frameView( 104 /* [retval][out] */ IWebFrameView **view); 105 106 virtual HRESULT STDMETHODCALLTYPE DOMDocument( 107 /* [retval][out] */ IDOMDocument** document); 108 109 virtual HRESULT STDMETHODCALLTYPE frameElement( 110 /* [retval][out] */ IDOMHTMLElement **frameElement); 111 112 virtual HRESULT STDMETHODCALLTYPE loadRequest( 113 /* [in] */ IWebURLRequest *request); 114 115 virtual HRESULT STDMETHODCALLTYPE loadData( 116 /* [in] */ IStream *data, 117 /* [in] */ BSTR mimeType, 118 /* [in] */ BSTR textEncodingName, 119 /* [in] */ BSTR url); 120 121 virtual HRESULT STDMETHODCALLTYPE loadHTMLString( 122 /* [in] */ BSTR string, 123 /* [in] */ BSTR baseURL); 124 125 virtual HRESULT STDMETHODCALLTYPE loadAlternateHTMLString( 126 /* [in] */ BSTR str, 127 /* [in] */ BSTR baseURL, 128 /* [in] */ BSTR unreachableURL); 129 130 virtual HRESULT STDMETHODCALLTYPE loadArchive( 131 /* [in] */ IWebArchive *archive); 132 133 virtual HRESULT STDMETHODCALLTYPE dataSource( 134 /* [retval][out] */ IWebDataSource **source); 135 136 virtual HRESULT STDMETHODCALLTYPE provisionalDataSource( 137 /* [retval][out] */ IWebDataSource **source); 138 139 virtual HRESULT STDMETHODCALLTYPE stopLoading( void); 140 141 virtual HRESULT STDMETHODCALLTYPE reload( void); 142 143 virtual HRESULT STDMETHODCALLTYPE findFrameNamed( 144 /* [in] */ BSTR name, 145 /* [retval][out] */ IWebFrame **frame); 146 147 virtual HRESULT STDMETHODCALLTYPE parentFrame( 148 /* [retval][out] */ IWebFrame **frame); 149 150 virtual HRESULT STDMETHODCALLTYPE childFrames( 151 /* [retval][out] */ IEnumVARIANT **enumFrames); 152 153 virtual HRESULT STDMETHODCALLTYPE currentForm( 154 /* [retval][out] */ IDOMElement **formElement); 155 156 virtual /* [local] */ JSGlobalContextRef STDMETHODCALLTYPE globalContext(); 157 158 // IWebFramePrivate 159 virtual HRESULT STDMETHODCALLTYPE unused1(BSTR*) { return E_NOTIMPL; } 160 virtual HRESULT STDMETHODCALLTYPE renderTreeAsExternalRepresentation(BOOL forPrinting, BSTR *result); 161 162 virtual HRESULT STDMETHODCALLTYPE counterValueForElementById( 163 /* [in] */ BSTR id, 164 /* [retval][out] */ BSTR *result); 165 166 virtual HRESULT STDMETHODCALLTYPE pageNumberForElementById( 167 /* [in] */ BSTR id, 168 /* [in] */ float pageWidthInPixels, 169 /* [in] */ float pageHeightInPixels, 170 /* [retval][out] */ int* result); 171 172 virtual HRESULT STDMETHODCALLTYPE numberOfPages( 173 /* [in] */ float pageWidthInPixels, 174 /* [in] */ float pageHeightInPixels, 175 /* [retval][out] */ int* result); 176 177 virtual HRESULT STDMETHODCALLTYPE scrollOffset( 178 /* [retval][out] */ SIZE* offset); 179 180 virtual HRESULT STDMETHODCALLTYPE layout(); 181 182 virtual HRESULT STDMETHODCALLTYPE firstLayoutDone( 183 /* [retval][out] */ BOOL* result); 184 185 virtual HRESULT STDMETHODCALLTYPE loadType( 186 /* [retval][out] */ WebFrameLoadType* type); 187 188 virtual HRESULT STDMETHODCALLTYPE pendingFrameUnloadEventCount( 189 /* [retval][out] */ UINT* result); 190 191 virtual HRESULT STDMETHODCALLTYPE unused2(); 192 193 virtual HRESULT STDMETHODCALLTYPE setInPrintingMode( 194 /* [in] */ BOOL value, 195 /* [in] */ HDC printDC); 196 197 virtual HRESULT STDMETHODCALLTYPE getPrintedPageCount( 198 /* [in] */ HDC printDC, 199 /* [retval][out] */ UINT *pageCount); 200 201 virtual HRESULT STDMETHODCALLTYPE spoolPages( 202 /* [in] */ HDC printDC, 203 /* [in] */ UINT startPage, 204 /* [in] */ UINT endPage, 205 /* [retval][out] */ void* ctx); 206 207 virtual HRESULT STDMETHODCALLTYPE isFrameSet( 208 /* [retval][out] */ BOOL* result); 209 210 virtual HRESULT STDMETHODCALLTYPE string( 211 /* [retval][out] */ BSTR* result); 212 213 virtual HRESULT STDMETHODCALLTYPE size( 214 /* [retval][out] */ SIZE *size); 215 216 virtual HRESULT STDMETHODCALLTYPE hasScrollBars( 217 /* [retval][out] */ BOOL *result); 218 219 virtual HRESULT STDMETHODCALLTYPE contentBounds( 220 /* [retval][out] */ RECT *result); 221 222 virtual HRESULT STDMETHODCALLTYPE frameBounds( 223 /* [retval][out] */ RECT *result); 224 225 virtual HRESULT STDMETHODCALLTYPE isDescendantOfFrame( 226 /* [in] */ IWebFrame *ancestor, 227 /* [retval][out] */ BOOL *result); 228 229 virtual HRESULT STDMETHODCALLTYPE setAllowsScrolling( 230 /* [in] */ BOOL flag); 231 232 virtual HRESULT STDMETHODCALLTYPE allowsScrolling( 233 /* [retval][out] */ BOOL *flag); 234 235 virtual HRESULT STDMETHODCALLTYPE setIsDisconnected( 236 /* [in] */ BOOL flag); 237 238 virtual HRESULT STDMETHODCALLTYPE setExcludeFromTextSearch( 239 /* [in] */ BOOL flag); 240 241 virtual HRESULT STDMETHODCALLTYPE reloadFromOrigin(); 242 243 virtual HRESULT STDMETHODCALLTYPE paintDocumentRectToContext( 244 /* [in] */ RECT rect, 245 /* [in] */ OLE_HANDLE deviceContext); 246 247 virtual HRESULT STDMETHODCALLTYPE paintScrollViewRectToContextAtPoint( 248 /* [in] */ RECT rect, 249 /* [in] */ POINT pt, 250 /* [in] */ OLE_HANDLE deviceContext); 251 252 virtual HRESULT STDMETHODCALLTYPE elementDoesAutoComplete( 253 /* [in] */ IDOMElement* element, 254 /* [retval][out] */ BOOL* result); 255 256 virtual HRESULT STDMETHODCALLTYPE pauseAnimation(BSTR animationName, IDOMNode*, double secondsFromNow, BOOL* animationWasRunning); 257 virtual HRESULT STDMETHODCALLTYPE pauseTransition(BSTR propertyName, IDOMNode*, double secondsFromNow, BOOL* transitionWasRunning); 258 virtual HRESULT STDMETHODCALLTYPE pauseSVGAnimation(BSTR elementId, IDOMNode*, double secondsFromNow, BOOL* animationWasRunning); 259 virtual HRESULT STDMETHODCALLTYPE numberOfActiveAnimations(UINT*); 260 virtual HRESULT STDMETHODCALLTYPE suspendAnimations(); 261 virtual HRESULT STDMETHODCALLTYPE resumeAnimations(); 262 virtual HRESULT STDMETHODCALLTYPE loadPlainTextString(BSTR string, BSTR url); 263 264 virtual HRESULT STDMETHODCALLTYPE isDisplayingStandaloneImage(BOOL*); 265 266 virtual HRESULT STDMETHODCALLTYPE allowsFollowingLink( 267 /* [in] */ BSTR url, 268 /* [retval][out] */ BOOL* result); 269 270 virtual HRESULT STDMETHODCALLTYPE stringByEvaluatingJavaScriptInScriptWorld(IWebScriptWorld*, JSObjectRef globalObjectRef, BSTR script, BSTR* evaluationResult); 271 virtual JSGlobalContextRef STDMETHODCALLTYPE globalContextForScriptWorld(IWebScriptWorld*); 272 273 virtual HRESULT STDMETHODCALLTYPE visibleContentRect(RECT*); 274 275 virtual HRESULT STDMETHODCALLTYPE layerTreeAsText(BSTR*); 276 277 virtual HRESULT STDMETHODCALLTYPE hasSpellingMarker( 278 /* [in] */ UINT from, 279 /* [in] */ UINT length, 280 /* [retval][out] */ BOOL *result); 281 282 virtual HRESULT STDMETHODCALLTYPE clearOpener(); 283 284 // IWebDocumentText 285 virtual HRESULT STDMETHODCALLTYPE supportsTextEncoding( 286 /* [retval][out] */ BOOL* result); 287 288 virtual HRESULT STDMETHODCALLTYPE selectedString( 289 /* [retval][out] */ BSTR* result); 290 291 virtual HRESULT STDMETHODCALLTYPE selectAll(); 292 293 virtual HRESULT STDMETHODCALLTYPE deselectAll(); 294 295 // FrameLoaderClient 296 virtual void frameLoaderDestroyed(); 297 virtual void makeRepresentation(WebCore::DocumentLoader*); 298 virtual void forceLayoutForNonHTML(); 299 virtual void setCopiesOnScroll(); 300 virtual void detachedFromParent2(); 301 virtual void detachedFromParent3(); 302 virtual void cancelPolicyCheck(); 303 virtual void dispatchWillSendSubmitEvent(WebCore::HTMLFormElement*) { } 304 virtual void dispatchWillSubmitForm(WebCore::FramePolicyFunction, PassRefPtr<WebCore::FormState>); 305 virtual void revertToProvisionalState(WebCore::DocumentLoader*); 306 virtual void setMainFrameDocumentReady(bool); 307 virtual void willChangeTitle(WebCore::DocumentLoader*); 308 virtual void didChangeTitle(WebCore::DocumentLoader*); 309 virtual void didChangeIcons(WebCore::DocumentLoader*); 310 virtual bool canHandleRequest(const WebCore::ResourceRequest&) const; 311 virtual bool canShowMIMEType(const WTF::String& MIMEType) const; 312 virtual bool canShowMIMETypeAsHTML(const WTF::String& MIMEType) const; 313 virtual bool representationExistsForURLScheme(const WTF::String& URLScheme) const; 314 virtual WTF::String generatedMIMETypeForURLScheme(const WTF::String& URLScheme) const; 315 virtual void frameLoadCompleted(); 316 virtual void restoreViewState(); 317 virtual void provisionalLoadStarted(); 318 virtual bool shouldTreatURLAsSameAsCurrent(const WebCore::KURL&) const; 319 virtual void addHistoryItemForFragmentScroll(); 320 virtual void didFinishLoad(); 321 virtual void prepareForDataSourceReplacement(); 322 virtual WTF::String userAgent(const WebCore::KURL&); 323 virtual void saveViewStateToItem(WebCore::HistoryItem *); 324 virtual WebCore::ResourceError cancelledError(const WebCore::ResourceRequest&); 325 virtual WebCore::ResourceError blockedError(const WebCore::ResourceRequest&); 326 virtual WebCore::ResourceError cannotShowURLError(const WebCore::ResourceRequest&); 327 virtual WebCore::ResourceError interruptForPolicyChangeError(const WebCore::ResourceRequest&); 328 virtual WebCore::ResourceError cannotShowMIMETypeError(const WebCore::ResourceResponse&); 329 virtual WebCore::ResourceError fileDoesNotExistError(const WebCore::ResourceResponse&); 330 virtual WebCore::ResourceError pluginWillHandleLoadError(const WebCore::ResourceResponse&); 331 virtual bool shouldFallBack(const WebCore::ResourceError&); 332 virtual void dispatchDecidePolicyForResponse(WebCore::FramePolicyFunction, const WebCore::ResourceResponse&, const WebCore::ResourceRequest&); 333 virtual void dispatchDecidePolicyForNewWindowAction(WebCore::FramePolicyFunction, const WebCore::NavigationAction&, const WebCore::ResourceRequest&, PassRefPtr<WebCore::FormState>, const WTF::String& frameName); 334 virtual void dispatchDecidePolicyForNavigationAction(WebCore::FramePolicyFunction, const WebCore::NavigationAction&, const WebCore::ResourceRequest&, PassRefPtr<WebCore::FormState>); 335 virtual void dispatchUnableToImplementPolicy(const WebCore::ResourceError&); 336 virtual void download(WebCore::ResourceHandle*, const WebCore::ResourceRequest&, const WebCore::ResourceRequest&, const WebCore::ResourceResponse&); 337 338 virtual bool dispatchDidLoadResourceFromMemoryCache(WebCore::DocumentLoader*, const WebCore::ResourceRequest&, const WebCore::ResourceResponse&, int length); 339 virtual void dispatchDidFailProvisionalLoad(const WebCore::ResourceError&); 340 virtual void dispatchDidFailLoad(const WebCore::ResourceError&); 341 virtual void startDownload(const WebCore::ResourceRequest&); 342 343 virtual PassRefPtr<WebCore::Widget> createJavaAppletWidget(const WebCore::IntSize&, WebCore::HTMLAppletElement*, const WebCore::KURL& baseURL, const Vector<WTF::String>& paramNames, const Vector<WTF::String>& paramValues); 344 345 virtual WebCore::ObjectContentType objectContentType(const WebCore::KURL&, const WTF::String& mimeType, bool shouldPreferPlugInsForImages); 346 virtual WTF::String overrideMediaType() const; 347 348 virtual void dispatchDidClearWindowObjectInWorld(WebCore::DOMWrapperWorld*); 349 virtual void documentElementAvailable(); 350 virtual void didPerformFirstNavigation() const; 351 352 virtual void registerForIconNotification(bool listen); 353 354 virtual PassRefPtr<WebCore::FrameNetworkingContext> createNetworkingContext(); 355 356 // WebFrame 357 PassRefPtr<WebCore::Frame> init(IWebView*, WebCore::Page*, WebCore::HTMLFrameOwnerElement*); 358 WebCore::Frame* impl(); 359 void invalidate(); 360 void unmarkAllMisspellings(); 361 void unmarkAllBadGrammar(); 362 363 void updateBackground(); 364 365 // WebFrame (matching WebCoreFrameBridge) 366 HRESULT inViewSourceMode(BOOL *flag); 367 HRESULT setInViewSourceMode(BOOL flag); 368 HRESULT elementWithName(BSTR name, IDOMElement* form, IDOMElement** element); 369 HRESULT formForElement(IDOMElement* element, IDOMElement** form); 370 HRESULT controlsInForm(IDOMElement* form, IDOMElement** controls, int* cControls); 371 HRESULT elementIsPassword(IDOMElement* element, bool* result); 372 HRESULT searchForLabelsBeforeElement(const BSTR* labels, unsigned cLabels, IDOMElement* beforeElement, unsigned* resultDistance, BOOL* resultIsInCellAbove, BSTR* result); 373 HRESULT matchLabelsAgainstElement(const BSTR* labels, int cLabels, IDOMElement* againstElement, BSTR* result); 374 HRESULT canProvideDocumentSource(bool* result); 375 376 COMPtr<WebFramePolicyListener> setUpPolicyListener(WebCore::FramePolicyFunction function); 377 void receivedPolicyDecision(WebCore::PolicyAction); 378 379 WebCore::KURL url() const; 380 381 WebView* webView() const; 382 void setWebView(WebView*); 383 384 COMPtr<IAccessible> accessible() const; 385 386 protected: 387 void loadHTMLString(BSTR string, BSTR baseURL, BSTR unreachableURL); 388 void loadData(PassRefPtr<WebCore::SharedBuffer>, BSTR mimeType, BSTR textEncodingName, BSTR baseURL, BSTR failingURL); 389 const Vector<WebCore::IntRect>& computePageRects(HDC printDC); 390 void setPrinting(bool printing, float minPageWidth, float maxPageWidth, float minPageHeight, bool adjustViewSize); 391 void headerAndFooterHeights(float*, float*); 392 WebCore::IntRect printerMarginRect(HDC); 393 void spoolPage (PlatformGraphicsContext* pctx, WebCore::GraphicsContext* spoolCtx, HDC printDC, IWebUIDelegate*, float headerHeight, float footerHeight, UINT page, UINT pageCount); 394 void drawHeader(PlatformGraphicsContext* pctx, IWebUIDelegate*, const WebCore::IntRect& pageRect, float headerHeight); 395 void drawFooter(PlatformGraphicsContext* pctx, IWebUIDelegate*, const WebCore::IntRect& pageRect, UINT page, UINT pageCount, float headerHeight, float footerHeight); 396 397 protected: 398 ULONG m_refCount; 399 class WebFramePrivate; 400 WebFramePrivate* d; 401 bool m_quickRedirectComing; 402 WebCore::KURL m_originalRequestURL; 403 bool m_inPrintingMode; 404 Vector<WebCore::IntRect> m_pageRects; 405 int m_pageHeight; // height of the page adjusted by margins 406 mutable COMPtr<AccessibleDocument> m_accessible; 407 }; 408 409 #endif 410
