summaryrefslogtreecommitdiffstats
path: root/Source/WebKit2/UIProcess/win/WebPopupMenuProxyWin.h
blob: d1dc4661fcd0e43867b5bd5fb353d75e72832f10 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
/*
 * Copyright (C) 2010 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef WebPopupMenuProxyWin_h
#define WebPopupMenuProxyWin_h

#include "PlatformPopupMenuData.h"
#include "WebPopupItem.h"
#include "WebPopupMenuProxy.h"
#include <WebCore/Scrollbar.h>
#include <WebCore/ScrollableArea.h>

typedef struct HWND__* HWND;
typedef struct HDC__* HDC;
typedef struct HBITMAP__* HBITMAP;

namespace WebKit {

class WebView;

class WebPopupMenuProxyWin : public WebPopupMenuProxy, private WebCore::ScrollableArea  {
public:
    static PassRefPtr<WebPopupMenuProxyWin> create(WebView* webView, WebPopupMenuProxy::Client* client)
    {
        return adoptRef(new WebPopupMenuProxyWin(webView, client));
    }
    ~WebPopupMenuProxyWin();

    virtual void showPopupMenu(const WebCore::IntRect&, const Vector<WebPopupItem>&, const PlatformPopupMenuData&, int32_t selectedIndex);
    virtual void hidePopupMenu();

    void hide() { hidePopupMenu(); }

private:
    WebPopupMenuProxyWin(WebView*, WebPopupMenuProxy::Client*);

    WebCore::Scrollbar* scrollbar() const { return m_scrollbar.get(); }

    // ScrollableArea
    virtual int scrollSize(WebCore::ScrollbarOrientation) const;
    virtual int scrollPosition(WebCore::Scrollbar*) const;
    virtual void setScrollOffset(const WebCore::IntPoint&);
    virtual void invalidateScrollbarRect(WebCore::Scrollbar*, const WebCore::IntRect&);
    virtual bool isActive() const { return true; }
    virtual bool scrollbarCornerPresent() const { return false; }
    virtual WebCore::Scrollbar* verticalScrollbar() const { return m_scrollbar.get(); }

    // NOTE: This should only be called by the overriden setScrollOffset from ScrollableArea.
    void scrollTo(int offset);

    static bool registerWindowClass();
    static LRESULT CALLBACK WebPopupMenuProxyWndProc(HWND, UINT, WPARAM, LPARAM);
    LRESULT wndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);

    // Message pump messages.
    LRESULT onMouseActivate(HWND, UINT message, WPARAM, LPARAM, bool& handled);
    LRESULT onSize(HWND, UINT message, WPARAM, LPARAM, bool& handled);
    LRESULT onKeyDown(HWND, UINT message, WPARAM, LPARAM, bool& handled);
    LRESULT onChar(HWND, UINT message, WPARAM, LPARAM, bool& handled);
    LRESULT onMouseMove(HWND, UINT message, WPARAM, LPARAM, bool& handled);
    LRESULT onLButtonDown(HWND, UINT message, WPARAM, LPARAM, bool& handled);
    LRESULT onLButtonUp(HWND, UINT message, WPARAM, LPARAM, bool& handled);
    LRESULT onMouseWheel(HWND, UINT message, WPARAM, LPARAM, bool& handled);
    LRESULT onPaint(HWND, UINT message, WPARAM, LPARAM, bool& handled);
    LRESULT onPrintClient(HWND, UINT message, WPARAM, LPARAM, bool& handled);

    void calculatePositionAndSize(const WebCore::IntRect&);
    WebCore::IntRect clientRect() const;
    void invalidateItem(int index);

    int itemHeight() const { return m_itemHeight; }
    const WebCore::IntRect& windowRect() const { return m_windowRect; }
    int wheelDelta() const { return m_wheelDelta; }
    void setWasClicked(bool b = true) { m_wasClicked = b; }
    bool wasClicked() const { return m_wasClicked; }
    void setScrollOffset(int offset) { m_scrollOffset = offset; }
    int scrollOffset() const { return m_scrollOffset; }
    bool scrollbarCapturingMouse() const { return m_scrollbarCapturingMouse; }
    void setScrollbarCapturingMouse(bool b) { m_scrollbarCapturingMouse = b; }


    bool up(unsigned lines = 1);
    bool down(unsigned lines = 1);

    void paint(const WebCore::IntRect& damageRect, HDC = 0);
    int visibleItems() const;
    int listIndexAtPoint(const WebCore::IntPoint&) const;
    bool setFocusedIndex(int index, bool hotTracking = false);
    int focusedIndex() const;
    void focusFirst();
    void focusLast();
    bool scrollToRevealSelection();
    void incrementWheelDelta(int delta);
    void reduceWheelDelta(int delta);

    WebView* m_webView;
    Vector<WebPopupItem> m_items;
    PlatformPopupMenuData m_data;
    int m_newSelectedIndex;

    RefPtr<WebCore::Scrollbar> m_scrollbar;
    HWND m_popup;
    HDC m_DC;
    HBITMAP m_bmp;
    WebCore::IntRect m_windowRect;

    int m_itemHeight;
    int m_scrollOffset;
    int m_wheelDelta;
    int m_focusedIndex;
    bool m_wasClicked;
    bool m_scrollbarCapturingMouse;
    bool m_showPopup;
};

} // namespace WebKit

#endif // WebPopupMenuProxyWin_h