1/*
2 * Copyright (C) 2009 Google 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 are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef WebPopupMenuImpl_h
32#define WebPopupMenuImpl_h
33
34#include "FramelessScrollViewClient.h"
35#include "WebPoint.h"
36#include "WebPopupMenu.h"
37#include "WebSize.h"
38#include <wtf/RefCounted.h>
39
40namespace WebCore {
41class Frame;
42class FramelessScrollView;
43class KeyboardEvent;
44class Page;
45class PlatformKeyboardEvent;
46class Range;
47class Widget;
48}
49
50namespace WebKit {
51class WebKeyboardEvent;
52class WebMouseEvent;
53class WebMouseWheelEvent;
54struct WebRect;
55
56class WebPopupMenuImpl : public WebPopupMenu,
57                         public WebCore::FramelessScrollViewClient,
58                         public RefCounted<WebPopupMenuImpl> {
59    WTF_MAKE_FAST_ALLOCATED;
60public:
61    // WebWidget
62    virtual void close();
63    virtual WebSize size() { return m_size; }
64    virtual void resize(const WebSize&);
65    virtual void animate();
66    virtual void layout();
67    virtual void paint(WebCanvas* canvas, const WebRect& rect);
68    virtual void themeChanged();
69    virtual void composite(bool finish);
70    virtual bool handleInputEvent(const WebInputEvent&);
71    virtual void mouseCaptureLost();
72    virtual void setFocus(bool enable);
73    virtual bool setComposition(
74        const WebString& text,
75        const WebVector<WebCompositionUnderline>& underlines,
76        int selectionStart, int selectionEnd);
77    virtual bool confirmComposition();
78    virtual bool confirmComposition(const WebString& text);
79    virtual WebTextInputType textInputType();
80    virtual WebRect caretOrSelectionBounds();
81    virtual bool selectionRange(WebPoint& start, WebPoint& end) const { return false; }
82    virtual void setTextDirection(WebTextDirection direction);
83    virtual bool isAcceleratedCompositingActive() const { return false; }
84
85    // WebPopupMenuImpl
86    void Init(WebCore::FramelessScrollView* widget,
87              const WebRect& bounds);
88
89    WebWidgetClient* client() { return m_client; }
90
91    void MouseMove(const WebMouseEvent&);
92    void MouseLeave(const WebMouseEvent&);
93    void MouseDown(const WebMouseEvent&);
94    void MouseUp(const WebMouseEvent&);
95    void MouseDoubleClick(const WebMouseEvent&);
96    void MouseWheel(const WebMouseWheelEvent&);
97    bool KeyEvent(const WebKeyboardEvent&);
98
99   protected:
100    friend class WebPopupMenu;  // For WebPopupMenu::create
101    friend class WTF::RefCounted<WebPopupMenuImpl>;
102
103    WebPopupMenuImpl(WebWidgetClient* client);
104    ~WebPopupMenuImpl();
105
106    // WebCore::HostWindow methods:
107    virtual void invalidateContents(const WebCore::IntRect&, bool);
108    virtual void invalidateWindow(const WebCore::IntRect&, bool);
109    virtual void invalidateContentsAndWindow(const WebCore::IntRect&, bool);
110    virtual void invalidateContentsForSlowScroll(const WebCore::IntRect&, bool);
111    virtual void scheduleAnimation();
112    virtual void scroll(
113        const WebCore::IntSize& scrollDelta, const WebCore::IntRect& scrollRect,
114        const WebCore::IntRect& clipRect);
115    virtual WebCore::IntPoint screenToWindow(const WebCore::IntPoint&) const;
116    virtual WebCore::IntRect windowToScreen(const WebCore::IntRect&) const;
117    virtual PlatformPageClient platformPageClient() const { return 0; }
118    virtual void scrollRectIntoView(const WebCore::IntRect&, const WebCore::ScrollView*) const;
119    virtual void scrollbarsModeDidChange() const;
120    virtual void setCursor(const WebCore::Cursor&);
121
122    // WebCore::FramelessScrollViewClient methods:
123    virtual void popupClosed(WebCore::FramelessScrollView*);
124
125    WebWidgetClient* m_client;
126    WebSize m_size;
127
128    WebPoint m_lastMousePosition;
129
130    // This is a non-owning ref.  The popup will notify us via popupClosed()
131    // before it is destroyed.
132    WebCore::FramelessScrollView* m_widget;
133};
134
135} // namespace WebKit
136
137#endif
138