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 "WebPopupMenu.h"
35#include "platform/scroll/FramelessScrollViewClient.h"
36#include "public/platform/WebPoint.h"
37#include "public/platform/WebSize.h"
38#include "wtf/OwnPtr.h"
39#include "wtf/RefCounted.h"
40
41namespace WebCore {
42class Frame;
43class FramelessScrollView;
44class KeyboardEvent;
45class Page;
46class PlatformKeyboardEvent;
47class Range;
48class Widget;
49}
50
51namespace blink {
52class WebGestureEvent;
53class WebKeyboardEvent;
54class WebMouseEvent;
55class WebMouseWheelEvent;
56class WebRange;
57struct WebRect;
58class WebTouchEvent;
59
60class WebPopupMenuImpl : public WebPopupMenu,
61                         public WebCore::FramelessScrollViewClient,
62                         public RefCounted<WebPopupMenuImpl> {
63    WTF_MAKE_FAST_ALLOCATED;
64public:
65    // WebWidget functions:
66    virtual void close() OVERRIDE;
67    virtual WebSize size() OVERRIDE { return m_size; }
68    virtual void willStartLiveResize() OVERRIDE;
69    virtual void resize(const WebSize&) OVERRIDE;
70    virtual void willEndLiveResize() OVERRIDE;
71    virtual void animate(double frameBeginTime) OVERRIDE;
72    virtual void layout() OVERRIDE;
73    virtual void paint(WebCanvas*, const WebRect&, PaintOptions = ReadbackFromCompositorIfAvailable) OVERRIDE;
74    virtual void themeChanged() OVERRIDE;
75    virtual bool handleInputEvent(const WebInputEvent&) OVERRIDE;
76    virtual void mouseCaptureLost() OVERRIDE;
77    virtual void setFocus(bool enable) OVERRIDE;
78    virtual bool setComposition(
79        const WebString& text,
80        const WebVector<WebCompositionUnderline>& underlines,
81        int selectionStart, int selectionEnd) OVERRIDE;
82    virtual bool confirmComposition() OVERRIDE;
83    virtual bool confirmComposition(ConfirmCompositionBehavior selectionBehavior) OVERRIDE;
84    virtual bool confirmComposition(const WebString& text) OVERRIDE;
85    virtual bool compositionRange(size_t* location, size_t* length) OVERRIDE;
86    virtual bool caretOrSelectionRange(size_t* location, size_t* length) OVERRIDE;
87    virtual void setTextDirection(WebTextDirection) OVERRIDE;
88    virtual bool isAcceleratedCompositingActive() const OVERRIDE { return false; }
89    virtual bool isPopupMenu() const OVERRIDE { return true; }
90
91    // WebPopupMenuImpl
92    void initialize(WebCore::FramelessScrollView* widget, const WebRect& bounds);
93
94    WebWidgetClient* client() { return m_client; }
95
96    void handleMouseMove(const WebMouseEvent&);
97    void handleMouseLeave(const WebMouseEvent&);
98    void handleMouseDown(const WebMouseEvent&);
99    void handleMouseUp(const WebMouseEvent&);
100    void handleMouseDoubleClick(const WebMouseEvent&);
101    void handleMouseWheel(const WebMouseWheelEvent&);
102    bool handleGestureEvent(const WebGestureEvent&);
103    bool handleTouchEvent(const WebTouchEvent&);
104    bool handleKeyEvent(const WebKeyboardEvent&);
105
106   protected:
107    friend class WebPopupMenu; // For WebPopupMenu::create.
108    friend class WTF::RefCounted<WebPopupMenuImpl>;
109
110    WebPopupMenuImpl(WebWidgetClient*);
111    ~WebPopupMenuImpl();
112
113    // WebCore::HostWindow methods:
114    virtual void invalidateContentsAndRootView(const WebCore::IntRect&) OVERRIDE;
115    virtual void invalidateContentsForSlowScroll(const WebCore::IntRect&) OVERRIDE;
116    virtual void scheduleAnimation() OVERRIDE;
117    virtual void scroll(
118        const WebCore::IntSize& scrollDelta, const WebCore::IntRect& scrollRect,
119        const WebCore::IntRect& clipRect) OVERRIDE;
120    virtual WebCore::IntPoint screenToRootView(const WebCore::IntPoint&) const OVERRIDE;
121    virtual WebCore::IntRect rootViewToScreen(const WebCore::IntRect&) const OVERRIDE;
122    virtual WebScreenInfo screenInfo() const OVERRIDE;
123
124    // WebCore::FramelessScrollViewClient methods:
125    virtual void popupClosed(WebCore::FramelessScrollView*) OVERRIDE;
126
127    WebWidgetClient* m_client;
128    WebSize m_size;
129
130    WebPoint m_lastMousePosition;
131
132    // This is a non-owning ref. The popup will notify us via popupClosed()
133    // before it is destroyed.
134    WebCore::FramelessScrollView* m_widget;
135};
136
137inline WebPopupMenuImpl* toWebPopupMenuImpl(WebWidget* widget)
138{
139    ASSERT_WITH_SECURITY_IMPLICATION(!widget || widget->isPopupMenu());
140    return static_cast<WebPopupMenuImpl*>(widget);
141}
142
143inline WebPopupMenuImpl* toWebPopupMenuImpl(WebCore::FramelessScrollViewClient* client)
144{
145    // WebPopupMenuImpl is the only implementation of FramelessScrollViewClient,
146    // so no need for further checking.
147    return static_cast<WebPopupMenuImpl*>(client);
148}
149
150} // namespace blink
151
152#endif
153