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
35namespace WebCore {
36    class Frame;
37    class IntRect;
38}
39
40namespace WebKit {
41
42class WebPage;
43
44class FindController : private PageOverlay::Client {
45    WTF_MAKE_NONCOPYABLE(FindController);
46
47public:
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
57private:
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
68private:
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