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
41 namespace WebCore {
42 class Frame;
43 class FramelessScrollView;
44 class KeyboardEvent;
45 class Page;
46 class PlatformKeyboardEvent;
47 class Range;
48 class Widget;
49 }
50
51 namespace blink {
52 class WebGestureEvent;
53 class WebKeyboardEvent;
54 class WebMouseEvent;
55 class WebMouseWheelEvent;
56 class WebRange;
57 struct WebRect;
58 class WebTouchEvent;
59
60 class WebPopupMenuImpl : public WebPopupMenu,
61 public WebCore::FramelessScrollViewClient,
62 public RefCounted<WebPopupMenuImpl> {
63 WTF_MAKE_FAST_ALLOCATED;
64 public:
65 // WebWidget functions:
66 virtual void close() OVERRIDE;
size()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;
isAcceleratedCompositingActive()88 virtual bool isAcceleratedCompositingActive() const OVERRIDE { return false; }
isPopupMenu()89 virtual bool isPopupMenu() const OVERRIDE { return true; }
90
91 // WebPopupMenuImpl
92 void initialize(WebCore::FramelessScrollView* widget, const WebRect& bounds);
93
client()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
toWebPopupMenuImpl(WebWidget * widget)137 inline WebPopupMenuImpl* toWebPopupMenuImpl(WebWidget* widget)
138 {
139 ASSERT_WITH_SECURITY_IMPLICATION(!widget || widget->isPopupMenu());
140 return static_cast<WebPopupMenuImpl*>(widget);
141 }
142
toWebPopupMenuImpl(WebCore::FramelessScrollViewClient * client)143 inline 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