blob: 64fe5c3042755615425e14b7fdb8ed19fcb29ccd (
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
147
148
149
150
|
// 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 "ash/display/display_error_dialog.h"
#include "ash/screen_ash.h"
#include "ash/shell.h"
#include "grit/ash_strings.h"
#include "ui/aura/root_window.h"
#include "ui/aura/window.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/ui_base_types.h"
#include "ui/gfx/display.h"
#include "ui/gfx/screen.h"
#include "ui/views/border.h"
#include "ui/views/controls/label.h"
#include "ui/views/widget/widget.h"
namespace ash {
namespace internal {
namespace {
// The width of the area to show the error message.
const int kDialogMessageWidthPixel = 300;
// The margin width from the error message to the edge of the dialog.
const int kDialogMessageMarginWidthPixel = 5;
} // namespace
// static
DisplayErrorDialog* DisplayErrorDialog::ShowDialog(
chromeos::OutputState new_state) {
gfx::Screen* screen = Shell::GetScreen();
const gfx::Display& target_display =
(screen->GetNumDisplays() > 1) ?
ScreenAsh::GetSecondaryDisplay() : screen->GetPrimaryDisplay();
DisplayErrorDialog* dialog = new DisplayErrorDialog(new_state);
views::Widget* widget = new views::Widget;
views::Widget::InitParams params(views::Widget::InitParams::TYPE_WINDOW);
params.delegate = dialog;
// Makes |widget| belong to the target display. Size and location are
// fixed by CenterWindow() below.
params.bounds = target_display.bounds();
DisplayController* display_controller =
Shell::GetInstance()->display_controller();
params.context =
display_controller->GetRootWindowForDisplayId(target_display.id());
params.keep_on_top = true;
widget->Init(params);
widget->GetNativeView()->SetName("DisplayErrorDialog");
widget->CenterWindow(widget->GetRootView()->GetPreferredSize());
widget->Show();
return dialog;
}
void DisplayErrorDialog::UpdateMessageForState(
chromeos::OutputState new_state) {
int message_id = -1;
switch (new_state) {
case chromeos::STATE_DUAL_MIRROR:
message_id = IDS_ASH_DISPLAY_FAILURE_ON_MIRRORING;
break;
case chromeos::STATE_DUAL_EXTENDED:
message_id = IDS_ASH_DISPLAY_FAILURE_ON_EXTENDED;
break;
default:
// The error dialog would appear only for mirroring or extended.
// It's quite unlikely to happen with other status (single-display /
// invalid / unknown status), but set an unknown error message
// instead of NOTREACHED() just in case for safety.
LOG(ERROR) << "Unexpected failure for new state: " << new_state;
message_id = IDS_ASH_DISPLAY_FAILURE_UNKNOWN;
break;
}
label_->SetText(l10n_util::GetStringUTF16(message_id));
label_->SizeToFit(kDialogMessageWidthPixel);
Layout();
SchedulePaint();
}
DisplayErrorDialog::DisplayErrorDialog(chromeos::OutputState new_state) {
Shell::GetInstance()->display_controller()->AddObserver(this);
label_ = new views::Label();
AddChildView(label_);
label_->SetMultiLine(true);
label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
label_->set_border(views::Border::CreateEmptyBorder(
kDialogMessageMarginWidthPixel,
kDialogMessageMarginWidthPixel,
kDialogMessageMarginWidthPixel,
kDialogMessageMarginWidthPixel));
UpdateMessageForState(new_state);
}
DisplayErrorDialog::~DisplayErrorDialog() {
Shell::GetInstance()->display_controller()->RemoveObserver(this);
}
int DisplayErrorDialog::GetDialogButtons() const {
return ui::DIALOG_BUTTON_OK;
}
ui::ModalType DisplayErrorDialog::GetModalType() const {
return ui::MODAL_TYPE_NONE;
}
gfx::Size DisplayErrorDialog::GetPreferredSize() {
return label_->GetPreferredSize();
}
void DisplayErrorDialog::OnDisplayConfigurationChanging() {
GetWidget()->Close();
}
DisplayErrorObserver::DisplayErrorObserver()
: dialog_(NULL) {
}
DisplayErrorObserver::~DisplayErrorObserver() {
DCHECK(!dialog_);
}
void DisplayErrorObserver::OnDisplayModeChangeFailed(
chromeos::OutputState new_state) {
if (dialog_) {
DCHECK(dialog_->GetWidget());
dialog_->UpdateMessageForState(new_state);
dialog_->GetWidget()->StackAtTop();
dialog_->GetWidget()->Activate();
} else {
dialog_ = DisplayErrorDialog::ShowDialog(new_state);
dialog_->GetWidget()->AddObserver(this);
}
}
void DisplayErrorObserver::OnWidgetClosing(views::Widget* widget) {
DCHECK(dialog_);
DCHECK_EQ(dialog_->GetWidget(), widget);
widget->RemoveObserver(this);
dialog_ = NULL;
}
} // namespace internal
} // namespace ash
|
