1 /* 2 * Copyright (C) 2010 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 INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef FindController_h 27 #define FindController_h 28 29 #include "PageOverlay.h" 30 #include "WebFindOptions.h" 31 #include <wtf/Forward.h> 32 #include <wtf/Noncopyable.h> 33 #include <wtf/Vector.h> 34 35 namespace WebCore { 36 class Frame; 37 class IntRect; 38 } 39 40 namespace WebKit { 41 42 class WebPage; 43 44 class FindController : private PageOverlay::Client { 45 WTF_MAKE_NONCOPYABLE(FindController); 46 47 public: 48 explicit FindController(WebPage*); 49 virtual ~FindController(); 50 51 void findString(const String&, FindOptions, unsigned maxMatchCount); 52 void hideFindUI(); 53 void countStringMatches(const String&, FindOptions, unsigned maxMatchCount); 54 55 void hideFindIndicator(); 56 57 private: 58 // PageOverlay::Client. 59 virtual void pageOverlayDestroyed(PageOverlay*); 60 virtual void willMoveToWebPage(PageOverlay*, WebPage*); 61 virtual void didMoveToWebPage(PageOverlay*, WebPage*); 62 virtual bool mouseEvent(PageOverlay*, const WebMouseEvent&); 63 virtual void drawRect(PageOverlay*, WebCore::GraphicsContext&, const WebCore::IntRect& dirtyRect); 64 65 Vector<WebCore::IntRect> rectsForTextMatches(); 66 bool updateFindIndicator(WebCore::Frame* selectedFrame, bool isShowingOverlay); 67 68 private: 69 WebPage* m_webPage; 70 PageOverlay* m_findPageOverlay; 71 72 // Whether the UI process is showing the find indicator. Note that this can be true even if 73 // the find indicator isn't showing, but it will never be false when it is showing. 74 bool m_isShowingFindIndicator; 75 }; 76 77 } // namespace WebKit 78 79 #endif // FindController_h 80