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Side by Side Diff: third_party/WebKit/Source/web/TextFinder.h

Issue 2389633002: reflow comments in web/ (Closed)
Patch Set: . Created 4 years, 2 months ago
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1 /* 1 /*
2 * Copyright (C) 2009 Google Inc. All rights reserved. 2 * Copyright (C) 2009 Google Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are 5 * modification, are permitted provided that the following conditions are
6 * met: 6 * met:
7 * 7 *
8 * * Redistributions of source code must retain the above copyright 8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above 10 * * Redistributions in binary form must reproduce the above
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89 89
90 // Cancels any outstanding requests for scoping string matches on the frame. 90 // Cancels any outstanding requests for scoping string matches on the frame.
91 void cancelPendingScopingEffort(); 91 void cancelPendingScopingEffort();
92 92
93 // This function is called to reset the total number of matches found during 93 // This function is called to reset the total number of matches found during
94 // the scoping effort. 94 // the scoping effort.
95 void resetMatchCount(); 95 void resetMatchCount();
96 96
97 // Return the index in the find-in-page cache of the match closest to the 97 // Return the index in the find-in-page cache of the match closest to the
98 // provided point in find-in-page coordinates, or -1 in case of error. 98 // provided point in find-in-page coordinates, or -1 in case of error.
99 // The squared distance to the closest match is returned in the |distanceSquar ed| parameter. 99 // The squared distance to the closest match is returned in the
100 // |distanceSquared| parameter.
100 int nearestFindMatch(const FloatPoint&, float* distanceSquared); 101 int nearestFindMatch(const FloatPoint&, float* distanceSquared);
101 102
102 // Returns whether this frame has the active match. 103 // Returns whether this frame has the active match.
103 bool activeMatchFrame() const { return m_currentActiveMatchFrame; } 104 bool activeMatchFrame() const { return m_currentActiveMatchFrame; }
104 105
105 // Returns the active match in the current frame. Could be a null range if 106 // Returns the active match in the current frame. Could be a null range if
106 // the local frame has no active match. 107 // the local frame has no active match.
107 Range* activeMatch() const { return m_activeMatch.get(); } 108 Range* activeMatch() const { return m_activeMatch.get(); }
108 109
109 void flushCurrentScoping(); 110 void flushCurrentScoping();
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157 // match index returned by nearestFindMatch. Returns the ordinal of the new 158 // match index returned by nearestFindMatch. Returns the ordinal of the new
158 // selected match or -1 in case of error. Also provides the bounding box of 159 // selected match or -1 in case of error. Also provides the bounding box of
159 // the marker in window coordinates if selectionRect is not null. 160 // the marker in window coordinates if selectionRect is not null.
160 int selectFindMatch(unsigned index, WebRect* selectionRect); 161 int selectFindMatch(unsigned index, WebRect* selectionRect);
161 162
162 // Compute and cache the rects for FindMatches if required. 163 // Compute and cache the rects for FindMatches if required.
163 // Rects are automatically invalidated in case of content size changes, 164 // Rects are automatically invalidated in case of content size changes,
164 // propagating the invalidation to child frames. 165 // propagating the invalidation to child frames.
165 void updateFindMatchRects(); 166 void updateFindMatchRects();
166 167
167 // Sets the markers within a range as active or inactive. Returns true if at l east 168 // Sets the markers within a range as active or inactive. Returns true if at
168 // one such marker found. 169 // least one such marker found.
169 bool setMarkerActive(Range*, bool active); 170 bool setMarkerActive(Range*, bool active);
170 171
171 // Removes all markers. 172 // Removes all markers.
172 void unmarkAllTextMatches(); 173 void unmarkAllTextMatches();
173 174
174 // Determines whether the scoping effort is required for a particular frame. 175 // Determines whether the scoping effort is required for a particular frame.
175 // It is not necessary if the frame is invisible, for example, or if this 176 // It is not necessary if the frame is invisible, for example, or if this
176 // is a repeat search that already returned nothing last time the same prefix 177 // is a repeat search that already returned nothing last time the same prefix
177 // was searched. 178 // was searched.
178 bool shouldScopeMatches(const WTF::String& searchText, const WebFindOptions&); 179 bool shouldScopeMatches(const WTF::String& searchText, const WebFindOptions&);
179 180
180 // Removes the current frame from the global scoping effort and triggers any 181 // Removes the current frame from the global scoping effort and triggers any
181 // updates if appropriate. This method does not mark the scoping operation 182 // updates if appropriate. This method does not mark the scoping operation
182 // as finished. 183 // as finished.
183 void flushCurrentScopingEffort(int identifier); 184 void flushCurrentScopingEffort(int identifier);
184 185
185 // Finishes the current scoping effort and triggers any updates if appropriate . 186 // Finishes the current scoping effort and triggers any updates if
187 // appropriate.
186 void finishCurrentScopingEffort(int identifier); 188 void finishCurrentScopingEffort(int identifier);
187 189
188 // Queue up a deferred call to scopeStringMatches. 190 // Queue up a deferred call to scopeStringMatches.
189 void scopeStringMatchesSoon(int identifier, 191 void scopeStringMatchesSoon(int identifier,
190 const WebString& searchText, 192 const WebString& searchText,
191 const WebFindOptions&, 193 const WebFindOptions&,
192 bool reset); 194 bool reset);
193 195
194 // Called by a DeferredScopeStringMatches instance. 196 // Called by a DeferredScopeStringMatches instance.
195 void callScopeStringMatches(DeferredScopeStringMatches*, 197 void callScopeStringMatches(DeferredScopeStringMatches*,
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225 Member<Range> m_resumeScopingFromRange; 227 Member<Range> m_resumeScopingFromRange;
226 228
227 // Keeps track of the last string this frame searched for. This is used for 229 // Keeps track of the last string this frame searched for. This is used for
228 // short-circuiting searches in the following scenarios: When a frame has 230 // short-circuiting searches in the following scenarios: When a frame has
229 // been searched and returned 0 results, we don't need to search that frame 231 // been searched and returned 0 results, we don't need to search that frame
230 // again if the user is just adding to the search (making it more specific). 232 // again if the user is just adding to the search (making it more specific).
231 WTF::String m_lastSearchString; 233 WTF::String m_lastSearchString;
232 234
233 // Keeps track of how many matches this frame has found so far, so that we 235 // Keeps track of how many matches this frame has found so far, so that we
234 // don't lose count between scoping efforts, and is also used (in conjunction 236 // don't lose count between scoping efforts, and is also used (in conjunction
235 // with m_lastSearchString) to figure out if we need to search the frame again . 237 // with m_lastSearchString) to figure out if we need to search the frame
238 // again.
236 int m_lastMatchCount; 239 int m_lastMatchCount;
237 240
238 // This variable keeps a cumulative total of matches found so far in this 241 // This variable keeps a cumulative total of matches found so far in this
239 // frame, and is only incremented by calling IncreaseMatchCount. 242 // frame, and is only incremented by calling IncreaseMatchCount.
240 int m_totalMatchCount; 243 int m_totalMatchCount;
241 244
242 // Keeps track of whether the frame is currently scoping (being searched for m atches). 245 // Keeps track of whether the frame is currently scoping (being searched for
246 // matches).
243 bool m_frameScoping; 247 bool m_frameScoping;
244 248
245 // Identifier of the latest find-in-page request. Required to be stored in 249 // Identifier of the latest find-in-page request. Required to be stored in
246 // the frame in order to reply if required in case the frame is detached. 250 // the frame in order to reply if required in case the frame is detached.
247 int m_findRequestIdentifier; 251 int m_findRequestIdentifier;
248 252
249 // Keeps track of when the scoping effort should next invalidate the scrollbar 253 // Keeps track of when the scoping effort should next invalidate the scrollbar
250 // and the frame area. 254 // and the frame area.
251 int m_nextInvalidateAfter; 255 int m_nextInvalidateAfter;
252 256
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279 // Determines if the rects in the find-in-page matches cache of this frame 283 // Determines if the rects in the find-in-page matches cache of this frame
280 // are invalid and should be recomputed. 284 // are invalid and should be recomputed.
281 bool m_findMatchRectsAreValid; 285 bool m_findMatchRectsAreValid;
282 }; 286 };
283 287
284 } // namespace blink 288 } // namespace blink
285 289
286 WTF_ALLOW_INIT_WITH_MEM_FUNCTIONS(blink::TextFinder::FindMatch); 290 WTF_ALLOW_INIT_WITH_MEM_FUNCTIONS(blink::TextFinder::FindMatch);
287 291
288 #endif // TextFinder_h 292 #endif // TextFinder_h
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