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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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41 #include "wtf/PassOwnPtr.h" | 41 #include "wtf/PassOwnPtr.h" |
42 #include "wtf/PassRefPtr.h" | 42 #include "wtf/PassRefPtr.h" |
43 #include "wtf/Vector.h" | 43 #include "wtf/Vector.h" |
44 #include "wtf/text/WTFString.h" | 44 #include "wtf/text/WTFString.h" |
45 | 45 |
46 namespace WebCore { | 46 namespace WebCore { |
47 class Range; | 47 class Range; |
48 } | 48 } |
49 | 49 |
50 namespace blink { | 50 namespace blink { |
51 class WebFrameImpl; | 51 class WebLocalFrameImpl; |
52 | 52 |
53 template <typename T> class WebVector; | 53 template <typename T> class WebVector; |
54 | 54 |
55 class TextFinder { | 55 class TextFinder { |
56 public: | 56 public: |
57 static PassOwnPtr<TextFinder> create(WebFrameImpl& ownerFrame); | 57 static PassOwnPtr<TextFinder> create(WebLocalFrameImpl& ownerFrame); |
58 | 58 |
59 bool find( | 59 bool find( |
60 int identifier, const WebString& searchText, const WebFindOptions&, | 60 int identifier, const WebString& searchText, const WebFindOptions&, |
61 bool wrapWithinFrame, WebRect* selectionRect); | 61 bool wrapWithinFrame, WebRect* selectionRect); |
62 void stopFindingAndClearSelection(); | 62 void stopFindingAndClearSelection(); |
63 void scopeStringMatches( | 63 void scopeStringMatches( |
64 int identifier, const WebString& searchText, const WebFindOptions&, | 64 int identifier, const WebString& searchText, const WebFindOptions&, |
65 bool reset); | 65 bool reset); |
66 void cancelPendingScopingEffort(); | 66 void cancelPendingScopingEffort(); |
67 void increaseMatchCount(int identifier, int count); | 67 void increaseMatchCount(int identifier, int count); |
68 void resetMatchCount(); | 68 void resetMatchCount(); |
69 int findMatchMarkersVersion() const { return m_findMatchMarkersVersion; } | 69 int findMatchMarkersVersion() const { return m_findMatchMarkersVersion; } |
70 WebFloatRect activeFindMatchRect(); | 70 WebFloatRect activeFindMatchRect(); |
71 void findMatchRects(WebVector<WebFloatRect>&); | 71 void findMatchRects(WebVector<WebFloatRect>&); |
72 int selectNearestFindMatch(const WebFloatPoint&, WebRect* selectionRect); | 72 int selectNearestFindMatch(const WebFloatPoint&, WebRect* selectionRect); |
73 | 73 |
74 // Returns which frame has an active match. This function should only be | 74 // Returns which frame has an active match. This function should only be |
75 // called on the main frame, as it is the only frame keeping track. Returned | 75 // called on the main frame, as it is the only frame keeping track. Returned |
76 // value can be 0 if no frame has an active match. | 76 // value can be 0 if no frame has an active match. |
77 WebFrameImpl* activeMatchFrame() const { return m_currentActiveMatchFrame; } | 77 WebLocalFrameImpl* activeMatchFrame() const { return m_currentActiveMatchFra
me; } |
78 | 78 |
79 // Returns the active match in the current frame. Could be a null range if | 79 // Returns the active match in the current frame. Could be a null range if |
80 // the local frame has no active match. | 80 // the local frame has no active match. |
81 WebCore::Range* activeMatch() const { return m_activeMatch.get(); } | 81 WebCore::Range* activeMatch() const { return m_activeMatch.get(); } |
82 | 82 |
83 void flushCurrentScoping(); | 83 void flushCurrentScoping(); |
84 | 84 |
85 void resetActiveMatch() { m_activeMatch = nullptr; } | 85 void resetActiveMatch() { m_activeMatch = nullptr; } |
86 | 86 |
87 int totalMatchCount() const { return m_totalMatchCount; } | 87 int totalMatchCount() const { return m_totalMatchCount; } |
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104 | 104 |
105 FindMatch(PassRefPtrWillBeRawPtr<WebCore::Range>, int ordinal); | 105 FindMatch(PassRefPtrWillBeRawPtr<WebCore::Range>, int ordinal); |
106 | 106 |
107 void trace(WebCore::Visitor*); | 107 void trace(WebCore::Visitor*); |
108 }; | 108 }; |
109 | 109 |
110 private: | 110 private: |
111 class DeferredScopeStringMatches; | 111 class DeferredScopeStringMatches; |
112 friend class DeferredScopeStringMatches; | 112 friend class DeferredScopeStringMatches; |
113 | 113 |
114 explicit TextFinder(WebFrameImpl& ownerFrame); | 114 explicit TextFinder(WebLocalFrameImpl& ownerFrame); |
115 | 115 |
116 // Notifies the delegate about a new selection rect. | 116 // Notifies the delegate about a new selection rect. |
117 void reportFindInPageSelection( | 117 void reportFindInPageSelection( |
118 const WebRect& selectionRect, int activeMatchOrdinal, int identifier); | 118 const WebRect& selectionRect, int activeMatchOrdinal, int identifier); |
119 | 119 |
120 // Clear the find-in-page matches cache forcing rects to be fully | 120 // Clear the find-in-page matches cache forcing rects to be fully |
121 // calculated again next time updateFindMatchRects is called. | 121 // calculated again next time updateFindMatchRects is called. |
122 void clearFindMatchesCache(); | 122 void clearFindMatchesCache(); |
123 | 123 |
124 // Check if the activeMatchFrame still exists in the frame tree. | 124 // Check if the activeMatchFrame still exists in the frame tree. |
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146 // Add a WebKit TextMatch-highlight marker to nodes in a range. | 146 // Add a WebKit TextMatch-highlight marker to nodes in a range. |
147 void addMarker(WebCore::Range*, bool activeMatch); | 147 void addMarker(WebCore::Range*, bool activeMatch); |
148 | 148 |
149 // Sets the markers within a range as active or inactive. | 149 // Sets the markers within a range as active or inactive. |
150 void setMarkerActive(WebCore::Range*, bool active); | 150 void setMarkerActive(WebCore::Range*, bool active); |
151 | 151 |
152 // Returns the ordinal of the first match in the frame specified. This | 152 // Returns the ordinal of the first match in the frame specified. This |
153 // function enumerates the frames, starting with the main frame and up to (b
ut | 153 // function enumerates the frames, starting with the main frame and up to (b
ut |
154 // not including) the frame passed in as a parameter and counts how many | 154 // not including) the frame passed in as a parameter and counts how many |
155 // matches have been found. | 155 // matches have been found. |
156 int ordinalOfFirstMatchForFrame(WebFrameImpl*) const; | 156 int ordinalOfFirstMatchForFrame(WebLocalFrameImpl*) const; |
157 | 157 |
158 // Determines whether the scoping effort is required for a particular frame. | 158 // Determines whether the scoping effort is required for a particular frame. |
159 // It is not necessary if the frame is invisible, for example, or if this | 159 // It is not necessary if the frame is invisible, for example, or if this |
160 // is a repeat search that already returned nothing last time the same prefi
x | 160 // is a repeat search that already returned nothing last time the same prefi
x |
161 // was searched. | 161 // was searched. |
162 bool shouldScopeMatches(const WTF::String& searchText); | 162 bool shouldScopeMatches(const WTF::String& searchText); |
163 | 163 |
164 // Removes the current frame from the global scoping effort and triggers any | 164 // Removes the current frame from the global scoping effort and triggers any |
165 // updates if appropriate. This method does not mark the scoping operation | 165 // updates if appropriate. This method does not mark the scoping operation |
166 // as finished. | 166 // as finished. |
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183 void invalidateIfNecessary(); | 183 void invalidateIfNecessary(); |
184 | 184 |
185 // Sets the markers within a current match range as active or inactive. | 185 // Sets the markers within a current match range as active or inactive. |
186 void setMatchMarkerActive(bool); | 186 void setMatchMarkerActive(bool); |
187 | 187 |
188 void decrementFramesScopingCount(int identifier); | 188 void decrementFramesScopingCount(int identifier); |
189 | 189 |
190 // Returns the ordinal of the first match in the owner frame. | 190 // Returns the ordinal of the first match in the owner frame. |
191 int ordinalOfFirstMatch() const; | 191 int ordinalOfFirstMatch() const; |
192 | 192 |
193 WebFrameImpl& m_ownerFrame; | 193 WebLocalFrameImpl& m_ownerFrame; |
194 | 194 |
195 // A way for the main frame to keep track of which frame has an active | 195 // A way for the main frame to keep track of which frame has an active |
196 // match. Should be 0 for all other frames. | 196 // match. Should be 0 for all other frames. |
197 WebFrameImpl* m_currentActiveMatchFrame; | 197 WebLocalFrameImpl* m_currentActiveMatchFrame; |
198 | 198 |
199 // The range of the active match for the current frame. | 199 // The range of the active match for the current frame. |
200 RefPtrWillBePersistent<WebCore::Range> m_activeMatch; | 200 RefPtrWillBePersistent<WebCore::Range> m_activeMatch; |
201 | 201 |
202 // The index of the active match for the current frame. | 202 // The index of the active match for the current frame. |
203 int m_activeMatchIndexInCurrentFrame; | 203 int m_activeMatchIndexInCurrentFrame; |
204 | 204 |
205 // The scoping effort can time out and we need to keep track of where we | 205 // The scoping effort can time out and we need to keep track of where we |
206 // ended our last search so we can continue from where we left of. | 206 // ended our last search so we can continue from where we left of. |
207 RefPtrWillBePersistent<WebCore::Range> m_resumeScopingFromRange; | 207 RefPtrWillBePersistent<WebCore::Range> m_resumeScopingFromRange; |
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268 | 268 |
269 } // namespace blink | 269 } // namespace blink |
270 | 270 |
271 namespace WTF { | 271 namespace WTF { |
272 template <> struct VectorTraits<blink::TextFinder::FindMatch> : VectorTraitsBase
<blink::TextFinder::FindMatch> { | 272 template <> struct VectorTraits<blink::TextFinder::FindMatch> : VectorTraitsBase
<blink::TextFinder::FindMatch> { |
273 static const bool canInitializeWithMemset = true; | 273 static const bool canInitializeWithMemset = true; |
274 }; | 274 }; |
275 } | 275 } |
276 | 276 |
277 #endif | 277 #endif |
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