blob: 6dea62c6560fb09aba67c2227ea428a7936d386f (
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
141
142
143
144
145
146
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/views/controls/menu/menu_host.h"
#include "base/debug/trace_event.h"
#include "ui/gfx/path.h"
#include "ui/native_theme/native_theme.h"
#include "ui/views/controls/menu/menu_controller.h"
#include "ui/views/controls/menu/menu_host_root_view.h"
#include "ui/views/controls/menu/menu_item_view.h"
#include "ui/views/controls/menu/menu_scroll_view_container.h"
#include "ui/views/controls/menu/submenu_view.h"
#include "ui/views/round_rect_painter.h"
#include "ui/views/widget/native_widget_private.h"
#include "ui/views/widget/widget.h"
#if defined(USE_AURA)
#include "ui/views/corewm/shadow_types.h"
#endif
namespace views {
////////////////////////////////////////////////////////////////////////////////
// MenuHost, public:
MenuHost::MenuHost(SubmenuView* submenu)
: submenu_(submenu),
destroying_(false),
ignore_capture_lost_(false) {
}
MenuHost::~MenuHost() {
}
void MenuHost::InitMenuHost(Widget* parent,
const gfx::Rect& bounds,
View* contents_view,
bool do_capture) {
TRACE_EVENT0("views", "MenuHost::InitMenuHost");
Widget::InitParams params(Widget::InitParams::TYPE_MENU);
const MenuController* menu_controller =
submenu_->GetMenuItem()->GetMenuController();
const MenuConfig& menu_config = submenu_->GetMenuItem()->GetMenuConfig();
bool rounded_border = menu_controller && menu_config.corner_radius > 0;
bool bubble_border = submenu_->GetScrollViewContainer() &&
submenu_->GetScrollViewContainer()->HasBubbleBorder();
params.has_dropshadow = !bubble_border;
params.opacity = (bubble_border || rounded_border) ?
Widget::InitParams::TRANSLUCENT_WINDOW :
Widget::InitParams::OPAQUE_WINDOW;
params.parent = parent ? parent->GetNativeView() : NULL;
params.bounds = bounds;
Init(params);
#if defined(USE_AURA)
if (bubble_border)
SetShadowType(GetNativeView(), views::corewm::SHADOW_TYPE_NONE);
#endif
SetContentsView(contents_view);
if (bubble_border || rounded_border)
SetOpacity(0);
ShowMenuHost(do_capture);
}
bool MenuHost::IsMenuHostVisible() {
return IsVisible();
}
void MenuHost::ShowMenuHost(bool do_capture) {
// Doing a capture may make us get capture lost. Ignore it while we're in the
// process of showing.
ignore_capture_lost_ = true;
Show();
if (do_capture)
native_widget_private()->SetCapture();
ignore_capture_lost_ = false;
}
void MenuHost::HideMenuHost() {
ignore_capture_lost_ = true;
ReleaseMenuHostCapture();
Hide();
ignore_capture_lost_ = false;
}
void MenuHost::DestroyMenuHost() {
HideMenuHost();
destroying_ = true;
static_cast<MenuHostRootView*>(GetRootView())->ClearSubmenu();
Close();
}
void MenuHost::SetMenuHostBounds(const gfx::Rect& bounds) {
SetBounds(bounds);
}
void MenuHost::ReleaseMenuHostCapture() {
if (native_widget_private()->HasCapture())
native_widget_private()->ReleaseCapture();
}
////////////////////////////////////////////////////////////////////////////////
// MenuHost, Widget overrides:
internal::RootView* MenuHost::CreateRootView() {
return new MenuHostRootView(this, submenu_);
}
bool MenuHost::ShouldReleaseCaptureOnMouseReleased() const {
return false;
}
void MenuHost::OnMouseCaptureLost() {
if (destroying_ || ignore_capture_lost_)
return;
MenuController* menu_controller =
submenu_->GetMenuItem()->GetMenuController();
if (menu_controller && !menu_controller->drag_in_progress())
menu_controller->CancelAll();
Widget::OnMouseCaptureLost();
}
void MenuHost::OnNativeWidgetDestroyed() {
if (!destroying_) {
// We weren't explicitly told to destroy ourselves, which means the menu was
// deleted out from under us (the window we're parented to was closed). Tell
// the SubmenuView to drop references to us.
submenu_->MenuHostDestroyed();
}
Widget::OnNativeWidgetDestroyed();
}
void MenuHost::OnOwnerClosing() {
if (destroying_)
return;
MenuController* menu_controller =
submenu_->GetMenuItem()->GetMenuController();
if (menu_controller && !menu_controller->drag_in_progress())
menu_controller->CancelAll();
}
} // namespace views
|
