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| 1 /* | |
| 2 * Copyright (C) 2009 Google 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 are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #ifndef TextFinder_h | |
| 32 #define TextFinder_h | |
| 33 | |
| 34 #include "WebFrame.h" | |
| 35 | |
| 36 #include "FrameLoaderClientImpl.h" | |
| 37 #include "core/frame/Frame.h" | |
| 38 #include "core/frame/FrameDestructionObserver.h" | |
| 39 #include "platform/geometry/FloatRect.h" | |
| 40 #include "public/platform/WebFileSystemType.h" | |
| 41 #include "wtf/Compiler.h" | |
| 42 #include "wtf/OwnPtr.h" | |
| 43 #include "wtf/RefCounted.h" | |
| 44 #include "wtf/text/WTFString.h" | |
| 45 | |
| 46 namespace WebCore { | |
| 47 class GraphicsContext; | |
| 48 class HTMLInputElement; | |
| 49 class HistoryItem; | |
| 50 class IntSize; | |
| 51 class KURL; | |
| 52 class Node; | |
| 53 class Range; | |
| 54 class SubstituteData; | |
| 55 struct FrameLoadRequest; | |
| 56 struct WindowFeatures; | |
| 57 } | |
| 58 | |
| 59 namespace blink { | |
| 60 class ChromePrintContext; | |
| 61 class WebDataSourceImpl; | |
| 62 class WebInputElement; | |
| 63 class WebFrameClient; | |
| 64 class WebPerformance; | |
| 65 class WebPluginContainerImpl; | |
| 66 class WebView; | |
| 67 class WebViewImpl; | |
| 68 struct WebPrintParams; | |
| 69 | |
| 70 template <typename T> class WebVector; | |
| 71 | |
| 72 // Implementation of WebFrame, note that this is a reference counted object. | |
| 73 class WebFrameImpl | |
| 74 : public WebFrame | |
| 75 , public RefCounted<WebFrameImpl> | |
| 76 , public WebCore::FrameDestructionObserver { | |
| 77 public: | |
| 78 // WebFrame methods: | |
| 79 virtual void close(); | |
| 80 virtual WebString uniqueName() const; | |
| 81 virtual WebString assignedName() const; | |
| 82 virtual void setName(const WebString&); | |
| 83 virtual long long embedderIdentifier() const; | |
| 84 virtual WebVector<WebIconURL> iconURLs(int iconTypesMask) const; | |
| 85 virtual WebSize scrollOffset() const; | |
| 86 virtual void setScrollOffset(const WebSize&); | |
| 87 virtual WebSize minimumScrollOffset() const; | |
| 88 virtual WebSize maximumScrollOffset() const; | |
| 89 virtual WebSize contentsSize() const; | |
| 90 virtual bool hasVisibleContent() const; | |
| 91 virtual WebRect visibleContentRect() const; | |
| 92 virtual bool hasHorizontalScrollbar() const; | |
| 93 virtual bool hasVerticalScrollbar() const; | |
| 94 virtual WebView* view() const; | |
| 95 virtual WebFrame* opener() const; | |
| 96 virtual void setOpener(const WebFrame*); | |
| 97 virtual WebFrame* parent() const; | |
| 98 virtual WebFrame* top() const; | |
| 99 virtual WebFrame* firstChild() const; | |
| 100 virtual WebFrame* lastChild() const; | |
| 101 virtual WebFrame* nextSibling() const; | |
| 102 virtual WebFrame* previousSibling() const; | |
| 103 virtual WebFrame* traverseNext(bool wrap) const; | |
| 104 virtual WebFrame* traversePrevious(bool wrap) const; | |
| 105 virtual WebFrame* findChildByName(const WebString&) const; | |
| 106 virtual WebFrame* findChildByExpression(const WebString&) const; | |
| 107 virtual WebDocument document() const; | |
| 108 virtual WebPerformance performance() const; | |
| 109 virtual NPObject* windowObject() const; | |
| 110 virtual void bindToWindowObject(const WebString& name, NPObject*); | |
| 111 virtual void bindToWindowObject(const WebString& name, NPObject*, void*); | |
| 112 virtual void executeScript(const WebScriptSource&); | |
| 113 virtual void executeScriptInIsolatedWorld( | |
| 114 int worldID, const WebScriptSource* sources, unsigned numSources, | |
| 115 int extensionGroup); | |
| 116 virtual void setIsolatedWorldSecurityOrigin(int worldID, const WebSecurityOr
igin&); | |
| 117 virtual void setIsolatedWorldContentSecurityPolicy(int worldID, const WebStr
ing&); | |
| 118 virtual void addMessageToConsole(const WebConsoleMessage&); | |
| 119 virtual void collectGarbage(); | |
| 120 virtual bool checkIfRunInsecureContent(const WebURL&) const; | |
| 121 virtual v8::Handle<v8::Value> executeScriptAndReturnValue( | |
| 122 const WebScriptSource&); | |
| 123 virtual void executeScriptInIsolatedWorld( | |
| 124 int worldID, const WebScriptSource* sourcesIn, unsigned numSources, | |
| 125 int extensionGroup, WebVector<v8::Local<v8::Value> >* results); | |
| 126 virtual v8::Handle<v8::Value> callFunctionEvenIfScriptDisabled( | |
| 127 v8::Handle<v8::Function>, | |
| 128 v8::Handle<v8::Object>, | |
| 129 int argc, | |
| 130 v8::Handle<v8::Value> argv[]); | |
| 131 virtual v8::Local<v8::Context> mainWorldScriptContext() const; | |
| 132 virtual v8::Handle<v8::Value> createFileSystem(WebFileSystemType, | |
| 133 const WebString& name, | |
| 134 const WebString& path); | |
| 135 virtual v8::Handle<v8::Value> createSerializableFileSystem(WebFileSystemType
, | |
| 136 const WebString& name, | |
| 137 const WebString& path); | |
| 138 virtual v8::Handle<v8::Value> createFileEntry(WebFileSystemType, | |
| 139 const WebString& fileSystemName, | |
| 140 const WebString& fileSystemPath, | |
| 141 const WebString& filePath, | |
| 142 bool isDirectory); | |
| 143 virtual void reload(bool ignoreCache); | |
| 144 virtual void reloadWithOverrideURL(const WebURL& overrideUrl, bool ignoreCac
he); | |
| 145 virtual void loadRequest(const WebURLRequest&); | |
| 146 virtual void loadHistoryItem(const WebHistoryItem&); | |
| 147 virtual void loadData( | |
| 148 const WebData&, const WebString& mimeType, const WebString& textEncoding
, | |
| 149 const WebURL& baseURL, const WebURL& unreachableURL, bool replace); | |
| 150 virtual void loadHTMLString( | |
| 151 const WebData& html, const WebURL& baseURL, const WebURL& unreachableURL
, | |
| 152 bool replace); | |
| 153 virtual bool isLoading() const; | |
| 154 virtual void stopLoading(); | |
| 155 virtual WebDataSource* provisionalDataSource() const; | |
| 156 virtual WebDataSource* dataSource() const; | |
| 157 virtual WebHistoryItem previousHistoryItem() const; | |
| 158 virtual WebHistoryItem currentHistoryItem() const; | |
| 159 virtual void enableViewSourceMode(bool enable); | |
| 160 virtual bool isViewSourceModeEnabled() const; | |
| 161 virtual void setReferrerForRequest(WebURLRequest&, const WebURL& referrer); | |
| 162 virtual void dispatchWillSendRequest(WebURLRequest&); | |
| 163 virtual WebURLLoader* createAssociatedURLLoader(const WebURLLoaderOptions&); | |
| 164 virtual unsigned unloadListenerCount() const; | |
| 165 virtual void replaceSelection(const WebString&); | |
| 166 virtual void insertText(const WebString&); | |
| 167 virtual void setMarkedText(const WebString&, unsigned location, unsigned len
gth); | |
| 168 virtual void unmarkText(); | |
| 169 virtual bool hasMarkedText() const; | |
| 170 virtual WebRange markedRange() const; | |
| 171 virtual bool firstRectForCharacterRange(unsigned location, unsigned length,
WebRect&) const; | |
| 172 virtual size_t characterIndexForPoint(const WebPoint&) const; | |
| 173 virtual bool executeCommand(const WebString&, const WebNode& = WebNode()); | |
| 174 virtual bool executeCommand(const WebString&, const WebString& value, const
WebNode& = WebNode()); | |
| 175 virtual bool isCommandEnabled(const WebString&) const; | |
| 176 virtual void enableContinuousSpellChecking(bool); | |
| 177 virtual bool isContinuousSpellCheckingEnabled() const; | |
| 178 virtual void requestTextChecking(const WebElement&); | |
| 179 virtual void replaceMisspelledRange(const WebString&); | |
| 180 virtual void removeSpellingMarkers(); | |
| 181 virtual bool hasSelection() const; | |
| 182 virtual WebRange selectionRange() const; | |
| 183 virtual WebString selectionAsText() const; | |
| 184 virtual WebString selectionAsMarkup() const; | |
| 185 virtual bool selectWordAroundCaret(); | |
| 186 virtual void selectRange(const WebPoint& base, const WebPoint& extent); | |
| 187 virtual void selectRange(const WebRange&); | |
| 188 virtual void moveCaretSelectionTowardsWindowPoint(const WebPoint&); | |
| 189 virtual void moveRangeSelection(const WebPoint& base, const WebPoint& extent
); | |
| 190 virtual void moveCaretSelection(const WebPoint&); | |
| 191 virtual void setCaretVisible(bool); | |
| 192 virtual int printBegin(const WebPrintParams&, const WebNode& constrainToNode
); | |
| 193 virtual float printPage(int pageToPrint, WebCanvas*); | |
| 194 virtual float getPrintPageShrink(int page); | |
| 195 virtual void printEnd(); | |
| 196 virtual bool isPrintScalingDisabledForPlugin(const WebNode&); | |
| 197 virtual bool hasCustomPageSizeStyle(int pageIndex); | |
| 198 virtual bool isPageBoxVisible(int pageIndex); | |
| 199 virtual void pageSizeAndMarginsInPixels(int pageIndex, | |
| 200 WebSize& pageSize, | |
| 201 int& marginTop, | |
| 202 int& marginRight, | |
| 203 int& marginBottom, | |
| 204 int& marginLeft); | |
| 205 virtual WebString pageProperty(const WebString& propertyName, int pageIndex)
; | |
| 206 virtual void printPagesWithBoundaries(WebCanvas*, const WebSize&); | |
| 207 virtual bool find( | |
| 208 int identifier, const WebString& searchText, const WebFindOptions&, | |
| 209 bool wrapWithinFrame, WebRect* selectionRect); | |
| 210 virtual void stopFinding(bool clearSelection); | |
| 211 virtual void scopeStringMatches( | |
| 212 int identifier, const WebString& searchText, const WebFindOptions&, | |
| 213 bool reset); | |
| 214 virtual void cancelPendingScopingEffort(); | |
| 215 virtual void increaseMatchCount(int count, int identifier); | |
| 216 virtual void resetMatchCount(); | |
| 217 virtual int findMatchMarkersVersion() const; | |
| 218 virtual WebFloatRect activeFindMatchRect(); | |
| 219 virtual void findMatchRects(WebVector<WebFloatRect>&); | |
| 220 virtual int selectNearestFindMatch(const WebFloatPoint&, WebRect* selectionR
ect); | |
| 221 | |
| 222 virtual void sendOrientationChangeEvent(int orientation); | |
| 223 | |
| 224 virtual void dispatchMessageEventWithOriginCheck( | |
| 225 const WebSecurityOrigin& intendedTargetOrigin, | |
| 226 const WebDOMEvent&); | |
| 227 | |
| 228 virtual WebString contentAsText(size_t maxChars) const; | |
| 229 virtual WebString contentAsMarkup() const; | |
| 230 virtual WebString renderTreeAsText(RenderAsTextControls toShow = RenderAsTex
tNormal) const; | |
| 231 virtual WebString markerTextForListItem(const WebElement&) const; | |
| 232 virtual WebRect selectionBoundsRect() const; | |
| 233 | |
| 234 virtual bool selectionStartHasSpellingMarkerFor(int from, int length) const; | |
| 235 virtual WebString layerTreeAsText(bool showDebugInfo = false) const; | |
| 236 | |
| 237 // WebCore::FrameDestructionObserver methods. | |
| 238 virtual void willDetachPage(); | |
| 239 | |
| 240 static WebFrameImpl* create(WebFrameClient*); | |
| 241 // FIXME: Move the embedderIdentifier concept fully to the embedder and | |
| 242 // remove this factory method. | |
| 243 static WebFrameImpl* create(WebFrameClient*, long long embedderIdentifier); | |
| 244 virtual ~WebFrameImpl(); | |
| 245 | |
| 246 // Called by the WebViewImpl to initialize the main frame for the page. | |
| 247 void initializeAsMainFrame(WebCore::Page*); | |
| 248 | |
| 249 PassRefPtr<WebCore::Frame> createChildFrame( | |
| 250 const WebCore::FrameLoadRequest&, WebCore::HTMLFrameOwnerElement*); | |
| 251 | |
| 252 void didChangeContentsSize(const WebCore::IntSize&); | |
| 253 | |
| 254 void createFrameView(); | |
| 255 | |
| 256 static WebFrameImpl* fromFrame(WebCore::Frame* frame); | |
| 257 static WebFrameImpl* fromFrameOwnerElement(WebCore::Element* element); | |
| 258 | |
| 259 // If the frame hosts a PluginDocument, this method returns the WebPluginCon
tainerImpl | |
| 260 // that hosts the plugin. | |
| 261 static WebPluginContainerImpl* pluginContainerFromFrame(WebCore::Frame*); | |
| 262 | |
| 263 // If the frame hosts a PluginDocument, this method returns the WebPluginCon
tainerImpl | |
| 264 // that hosts the plugin. If the provided node is a plugin, then it runs its | |
| 265 // WebPluginContainerImpl. | |
| 266 static WebPluginContainerImpl* pluginContainerFromNode(WebCore::Frame*, cons
t WebNode&); | |
| 267 | |
| 268 WebViewImpl* viewImpl() const; | |
| 269 | |
| 270 WebCore::FrameView* frameView() const { return frame() ? frame()->view() : 0
; } | |
| 271 | |
| 272 // Getters for the impls corresponding to Get(Provisional)DataSource. They | |
| 273 // may return 0 if there is no corresponding data source. | |
| 274 WebDataSourceImpl* dataSourceImpl() const; | |
| 275 WebDataSourceImpl* provisionalDataSourceImpl() const; | |
| 276 | |
| 277 // Returns which frame has an active match. This function should only be | |
| 278 // called on the main frame, as it is the only frame keeping track. Returned | |
| 279 // value can be 0 if no frame has an active match. | |
| 280 WebFrameImpl* activeMatchFrame() const { return m_currentActiveMatchFrame; } | |
| 281 | |
| 282 // Returns the active match in the current frame. Could be a null range if | |
| 283 // the local frame has no active match. | |
| 284 WebCore::Range* activeMatch() const { return m_activeMatch.get(); } | |
| 285 | |
| 286 // When a Find operation ends, we want to set the selection to what was acti
ve | |
| 287 // and set focus to the first focusable node we find (starting with the firs
t | |
| 288 // node in the matched range and going up the inheritance chain). If we find | |
| 289 // nothing to focus we focus the first focusable node in the range. This | |
| 290 // allows us to set focus to a link (when we find text inside a link), which | |
| 291 // allows us to navigate by pressing Enter after closing the Find box. | |
| 292 void setFindEndstateFocusAndSelection(); | |
| 293 | |
| 294 void didFail(const WebCore::ResourceError&, bool wasProvisional); | |
| 295 | |
| 296 // Sets whether the WebFrameImpl allows its document to be scrolled. | |
| 297 // If the parameter is true, allow the document to be scrolled. | |
| 298 // Otherwise, disallow scrolling. | |
| 299 void setCanHaveScrollbars(bool); | |
| 300 | |
| 301 WebFrameClient* client() const { return m_client; } | |
| 302 void setClient(WebFrameClient* client) { m_client = client; } | |
| 303 | |
| 304 void setInputEventsTransformForEmulation(const WebCore::IntSize&, float); | |
| 305 | |
| 306 static void selectWordAroundPosition(WebCore::Frame*, WebCore::VisiblePositi
on); | |
| 307 | |
| 308 private: | |
| 309 class DeferredScopeStringMatches; | |
| 310 friend class DeferredScopeStringMatches; | |
| 311 friend class FrameLoaderClientImpl; | |
| 312 | |
| 313 struct FindMatch { | |
| 314 RefPtr<WebCore::Range> m_range; | |
| 315 | |
| 316 // 1-based index within this frame. | |
| 317 int m_ordinal; | |
| 318 | |
| 319 // In find-in-page coordinates. | |
| 320 // Lazily calculated by updateFindMatchRects. | |
| 321 WebCore::FloatRect m_rect; | |
| 322 | |
| 323 FindMatch(PassRefPtr<WebCore::Range>, int ordinal); | |
| 324 }; | |
| 325 | |
| 326 // A bit mask specifying area of the frame to invalidate. | |
| 327 enum AreaToInvalidate { | |
| 328 InvalidateNothing, | |
| 329 InvalidateContentArea, | |
| 330 InvalidateScrollbar, // Vertical scrollbar only. | |
| 331 InvalidateAll // Both content area and the scrollbar. | |
| 332 }; | |
| 333 | |
| 334 WebFrameImpl(WebFrameClient*, long long frame_identifier); | |
| 335 | |
| 336 // Sets the local WebCore frame and registers destruction observers. | |
| 337 void setWebCoreFrame(WebCore::Frame*); | |
| 338 | |
| 339 // Notifies the delegate about a new selection rect. | |
| 340 void reportFindInPageSelection( | |
| 341 const WebRect& selectionRect, int activeMatchOrdinal, int identifier); | |
| 342 | |
| 343 // Clear the find-in-page matches cache forcing rects to be fully | |
| 344 // calculated again next time updateFindMatchRects is called. | |
| 345 void clearFindMatchesCache(); | |
| 346 | |
| 347 // Check if the activeMatchFrame still exists in the frame tree. | |
| 348 bool isActiveMatchFrameValid() const; | |
| 349 | |
| 350 // Return the index in the find-in-page cache of the match closest to the | |
| 351 // provided point in find-in-page coordinates, or -1 in case of error. | |
| 352 // The squared distance to the closest match is returned in the distanceSqua
red parameter. | |
| 353 int nearestFindMatch(const WebCore::FloatPoint&, float& distanceSquared); | |
| 354 | |
| 355 // Select a find-in-page match marker in the current frame using a cache | |
| 356 // match index returned by nearestFindMatch. Returns the ordinal of the new | |
| 357 // selected match or -1 in case of error. Also provides the bounding box of | |
| 358 // the marker in window coordinates if selectionRect is not null. | |
| 359 int selectFindMatch(unsigned index, WebRect* selectionRect); | |
| 360 | |
| 361 // Compute and cache the rects for FindMatches if required. | |
| 362 // Rects are automatically invalidated in case of content size changes, | |
| 363 // propagating the invalidation to child frames. | |
| 364 void updateFindMatchRects(); | |
| 365 | |
| 366 // Append the find-in-page match rects of the current frame to the provided
vector. | |
| 367 void appendFindMatchRects(Vector<WebFloatRect>& frameRects); | |
| 368 | |
| 369 // Invalidates a certain area within the frame. | |
| 370 void invalidateArea(AreaToInvalidate); | |
| 371 | |
| 372 // Add a WebKit TextMatch-highlight marker to nodes in a range. | |
| 373 void addMarker(WebCore::Range*, bool activeMatch); | |
| 374 | |
| 375 // Sets the markers within a range as active or inactive. | |
| 376 void setMarkerActive(WebCore::Range*, bool active); | |
| 377 | |
| 378 // Returns the ordinal of the first match in the frame specified. This | |
| 379 // function enumerates the frames, starting with the main frame and up to (b
ut | |
| 380 // not including) the frame passed in as a parameter and counts how many | |
| 381 // matches have been found. | |
| 382 int ordinalOfFirstMatchForFrame(WebFrameImpl*) const; | |
| 383 | |
| 384 // Determines whether the scoping effort is required for a particular frame. | |
| 385 // It is not necessary if the frame is invisible, for example, or if this | |
| 386 // is a repeat search that already returned nothing last time the same prefi
x | |
| 387 // was searched. | |
| 388 bool shouldScopeMatches(const WTF::String& searchText); | |
| 389 | |
| 390 // Removes the current frame from the global scoping effort and triggers any | |
| 391 // updates if appropriate. This method does not mark the scoping operation | |
| 392 // as finished. | |
| 393 void flushCurrentScopingEffort(int identifier); | |
| 394 | |
| 395 // Finishes the current scoping effort and triggers any updates if appropria
te. | |
| 396 void finishCurrentScopingEffort(int identifier); | |
| 397 | |
| 398 // Queue up a deferred call to scopeStringMatches. | |
| 399 void scopeStringMatchesSoon( | |
| 400 int identifier, const WebString& searchText, const WebFindOptions&, | |
| 401 bool reset); | |
| 402 | |
| 403 // Called by a DeferredScopeStringMatches instance. | |
| 404 void callScopeStringMatches( | |
| 405 DeferredScopeStringMatches*, int identifier, const WebString& searchText
, | |
| 406 const WebFindOptions&, bool reset); | |
| 407 | |
| 408 // Determines whether to invalidate the content area and scrollbar. | |
| 409 void invalidateIfNecessary(); | |
| 410 | |
| 411 void loadJavaScriptURL(const WebCore::KURL&); | |
| 412 | |
| 413 // Returns a hit-tested VisiblePosition for the given point | |
| 414 WebCore::VisiblePosition visiblePositionForWindowPoint(const WebPoint&); | |
| 415 | |
| 416 class WebFrameInit : public WebCore::FrameInit { | |
| 417 public: | |
| 418 static PassRefPtr<WebFrameInit> create(WebFrameImpl* webFrameImpl, int64
_t frameID) | |
| 419 { | |
| 420 return adoptRef(new WebFrameInit(webFrameImpl, frameID)); | |
| 421 } | |
| 422 | |
| 423 private: | |
| 424 WebFrameInit(WebFrameImpl* webFrameImpl, int64_t frameID) | |
| 425 : WebCore::FrameInit(frameID) | |
| 426 , m_frameLoaderClientImpl(webFrameImpl) | |
| 427 { | |
| 428 setFrameLoaderClient(&m_frameLoaderClientImpl); | |
| 429 } | |
| 430 | |
| 431 FrameLoaderClientImpl m_frameLoaderClientImpl; | |
| 432 }; | |
| 433 RefPtr<WebFrameInit> m_frameInit; | |
| 434 | |
| 435 WebFrameClient* m_client; | |
| 436 | |
| 437 // A way for the main frame to keep track of which frame has an active | |
| 438 // match. Should be 0 for all other frames. | |
| 439 WebFrameImpl* m_currentActiveMatchFrame; | |
| 440 | |
| 441 // The range of the active match for the current frame. | |
| 442 RefPtr<WebCore::Range> m_activeMatch; | |
| 443 | |
| 444 // The index of the active match for the current frame. | |
| 445 int m_activeMatchIndexInCurrentFrame; | |
| 446 | |
| 447 // This flag is used by the scoping effort to determine if we need to figure | |
| 448 // out which rectangle is the active match. Once we find the active | |
| 449 // rectangle we clear this flag. | |
| 450 bool m_locatingActiveRect; | |
| 451 | |
| 452 // The scoping effort can time out and we need to keep track of where we | |
| 453 // ended our last search so we can continue from where we left of. | |
| 454 RefPtr<WebCore::Range> m_resumeScopingFromRange; | |
| 455 | |
| 456 // Keeps track of the last string this frame searched for. This is used for | |
| 457 // short-circuiting searches in the following scenarios: When a frame has | |
| 458 // been searched and returned 0 results, we don't need to search that frame | |
| 459 // again if the user is just adding to the search (making it more specific). | |
| 460 WTF::String m_lastSearchString; | |
| 461 | |
| 462 // Keeps track of how many matches this frame has found so far, so that we | |
| 463 // don't loose count between scoping efforts, and is also used (in conjuncti
on | |
| 464 // with m_lastSearchString) to figure out if we need to search the frame aga
in. | |
| 465 int m_lastMatchCount; | |
| 466 | |
| 467 // This variable keeps a cumulative total of matches found so far for ALL th
e | |
| 468 // frames on the page, and is only incremented by calling IncreaseMatchCount | |
| 469 // (on the main frame only). It should be -1 for all other frames. | |
| 470 int m_totalMatchCount; | |
| 471 | |
| 472 // This variable keeps a cumulative total of how many frames are currently | |
| 473 // scoping, and is incremented/decremented on the main frame only. | |
| 474 // It should be -1 for all other frames. | |
| 475 int m_framesScopingCount; | |
| 476 | |
| 477 // Identifier of the latest find-in-page request. Required to be stored in | |
| 478 // the frame in order to reply if required in case the frame is detached. | |
| 479 int m_findRequestIdentifier; | |
| 480 | |
| 481 // Keeps track of whether there is an scoping effort ongoing in the frame. | |
| 482 bool m_scopingInProgress; | |
| 483 | |
| 484 // Keeps track of whether the last find request completed its scoping effort | |
| 485 // without finding any matches in this frame. | |
| 486 bool m_lastFindRequestCompletedWithNoMatches; | |
| 487 | |
| 488 // Keeps track of when the scoping effort should next invalidate the scrollb
ar | |
| 489 // and the frame area. | |
| 490 int m_nextInvalidateAfter; | |
| 491 | |
| 492 // A list of all of the pending calls to scopeStringMatches. | |
| 493 Vector<DeferredScopeStringMatches*> m_deferredScopingWork; | |
| 494 | |
| 495 // Version number incremented on the main frame only whenever the document | |
| 496 // find-in-page match markers change. It should be 0 for all other frames. | |
| 497 int m_findMatchMarkersVersion; | |
| 498 | |
| 499 // Local cache of the find match markers currently displayed for this frame. | |
| 500 Vector<FindMatch> m_findMatchesCache; | |
| 501 | |
| 502 // Determines if the rects in the find-in-page matches cache of this frame | |
| 503 // are invalid and should be recomputed. | |
| 504 bool m_findMatchRectsAreValid; | |
| 505 | |
| 506 // Contents size when find-in-page match rects were last computed for this | |
| 507 // frame's cache. | |
| 508 WebCore::IntSize m_contentsSizeForCurrentFindMatchRects; | |
| 509 | |
| 510 // Valid between calls to BeginPrint() and EndPrint(). Containts the print | |
| 511 // information. Is used by PrintPage(). | |
| 512 OwnPtr<ChromePrintContext> m_printContext; | |
| 513 | |
| 514 // Stores the additional input events offset and scale when device metrics e
mulation is enabled. | |
| 515 WebCore::IntSize m_inputEventsOffsetForEmulation; | |
| 516 float m_inputEventsScaleFactorForEmulation; | |
| 517 }; | |
| 518 | |
| 519 inline WebFrameImpl* toWebFrameImpl(WebFrame* webFrame) | |
| 520 { | |
| 521 return static_cast<WebFrameImpl*>(webFrame); | |
| 522 } | |
| 523 | |
| 524 inline const WebFrameImpl* toWebFrameImpl(const WebFrame* webFrame) | |
| 525 { | |
| 526 return static_cast<const WebFrameImpl*>(webFrame); | |
| 527 } | |
| 528 | |
| 529 // This will catch anyone doing an unnecessary cast. | |
| 530 void toWebFrameImpl(const WebFrameImpl*); | |
| 531 | |
| 532 } // namespace blink | |
| 533 | |
| 534 #endif // TextFinder_h | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 112083002:
Remove copy of WebFrameImpl* named TextFinder. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk