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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
/*
* Copyright (c) 2011, Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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 PopupContainer_h
#define PopupContainer_h
#include "platform/PopupMenuStyle.h"
#include "platform/geometry/FloatQuad.h"
#include "platform/heap/Handle.h"
#include "web/PopupListBox.h"
namespace blink {
class ChromeClient;
class FrameView;
class PopupContainerClient;
class PopupMenuClient;
struct WebPopupMenuInfo;
// This class wraps a PopupListBox. It positions the popup, paints the border
// around it, and forwards input events.
// FIXME(skobes): This class can probably be combined with PopupListBox.
class PopupContainer final : public Widget {
public:
static PassRefPtrWillBeRawPtr<PopupContainer> create(PopupMenuClient*, bool deviceSupportsTouch);
// Whether a key event should be sent to this popup.
bool isInterestedInEventForKey(int keyCode);
// Widget
virtual void paint(GraphicsContext*, const IntRect&) override;
virtual void hide() override;
virtual HostWindow* hostWindow() const override;
virtual void invalidateRect(const IntRect&) override;
virtual IntPoint convertChildToSelf(const Widget* child, const IntPoint&) const override;
virtual IntPoint convertSelfToChild(const Widget* child, const IntPoint&) const override;
// PopupContainer methods
bool handleMouseDownEvent(const PlatformMouseEvent&);
bool handleMouseMoveEvent(const PlatformMouseEvent&);
bool handleMouseReleaseEvent(const PlatformMouseEvent&);
bool handleWheelEvent(const PlatformWheelEvent&);
bool handleKeyEvent(const PlatformKeyboardEvent&);
bool handleTouchEvent(const PlatformTouchEvent&);
bool handleGestureEvent(const PlatformGestureEvent&);
PopupContainerClient* client() const { return m_client; }
void setClient(PopupContainerClient* client) { m_client = client; }
// Show the popup
void showPopup(FrameView*);
// Show the popup in the specified rect for the specified frame.
// Note: this code was somehow arbitrarily factored-out of the Popup class
// so WebViewImpl can create a PopupContainer. This method is used for
// displaying auto complete popup menus on Mac Chromium, and for all
// popups on other platforms.
void showInRect(const FloatQuad& controlPosition, const IntSize& controlSize, FrameView*, int index);
// Hides the popup.
void hidePopup();
// The popup was hidden.
void notifyPopupHidden();
PopupListBox* listBox() const { return m_listBox.get(); }
bool isRTL() const;
// Gets the index of the item that the user is currently moused-over or
// has selected with the keyboard up/down arrows.
int selectedIndex() const;
// Refresh the popup values from the PopupMenuClient.
IntRect refresh(const IntRect& targetControlRect);
// The menu per-item data.
const Vector<PopupItem*>& popupData() const;
// The height of a row in the menu.
int menuItemHeight() const;
// The size of the font being used.
int menuItemFontSize() const;
// The style of the menu being used.
PopupMenuStyle menuStyle() const;
// While hovering popup menu window, we want to show tool tip message.
String getSelectedItemToolTip();
// This is public for testing.
static IntRect layoutAndCalculateWidgetRectInternal(IntRect widgetRectInScreen, int targetControlHeight, const FloatRect& windowRect, const FloatRect& screen, bool isRTL, const int rtlOffset, const int verticalOffset, const IntSize& transformOffset, PopupContent*, bool& needToResizeView);
void disconnectClient() { m_listBox->disconnectClient(); }
void updateFromElement() { m_listBox->updateFromElement(); }
virtual void trace(Visitor*) override;
private:
friend class WTF::RefCounted<PopupContainer>;
PopupContainer(PopupMenuClient*, bool deviceSupportsTouch);
virtual ~PopupContainer();
// Paint the border.
void paintBorder(GraphicsContext*, const IntRect&);
// Layout and calculate popup widget size and location and returns it as IntRect.
IntRect layoutAndCalculateWidgetRect(int targetControlHeight, const IntSize& transformOffset, const IntPoint& popupInitialCoordinate);
void fitToListBox();
void popupOpened(const IntRect& bounds);
void getPopupMenuInfo(WebPopupMenuInfo*);
// Returns the ChromeClient of the page this popup is associated with.
ChromeClient& chromeClient();
RefPtrWillBeMember<PopupListBox> m_listBox;
RefPtrWillBeMember<FrameView> m_frameView;
// m_controlPosition contains the transformed position of the
// <select>/<input> associated with this popup. m_controlSize is the size
// of the <select>/<input> without transform.
// The popup menu will be positioned as follows:
// LTR : If the popup is positioned down it will align with the bottom left
// of m_controlPosition (p4)
// If the popup is positioned up it will align with the top left of
// m_controlPosition (p1)
// RTL : If the popup is positioned down it will align with the bottom right
// of m_controlPosition (p3)
// If the popup is positioned up it will align with the top right of
// m_controlPosition (p2)
FloatQuad m_controlPosition;
IntSize m_controlSize;
// Whether the popup is currently open.
bool m_popupOpen;
PopupContainerClient* m_client;
};
} // namespace blink
#endif
|
