1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "chrome/browser/chromeos/power/idle_action_warning_dialog_view.h"
6
7#include <algorithm>
8
9#include "ash/shell.h"
10#include "base/location.h"
11#include "chrome/grit/generated_resources.h"
12#include "ui/aura/window_event_dispatcher.h"
13#include "ui/base/l10n/l10n_util.h"
14#include "ui/base/l10n/time_format.h"
15#include "ui/base/ui_base_types.h"
16#include "ui/gfx/size.h"
17#include "ui/gfx/text_constants.h"
18#include "ui/views/border.h"
19#include "ui/views/controls/label.h"
20#include "ui/views/layout/fill_layout.h"
21#include "ui/views/layout/layout_constants.h"
22#include "ui/views/widget/widget.h"
23#include "ui/views/window/dialog_client_view.h"
24
25namespace chromeos {
26
27namespace {
28
29const int kIdleActionWarningContentWidth = 300;
30
31const int kCountdownUpdateIntervalMs = 1000;  // 1 second.
32
33class FixedWidthLabel : public views::Label {
34 public:
35  explicit FixedWidthLabel(int width);
36  virtual ~FixedWidthLabel();
37
38  virtual gfx::Size GetPreferredSize() const OVERRIDE;
39
40 private:
41  int width_;
42
43  DISALLOW_COPY_AND_ASSIGN(FixedWidthLabel);
44};
45
46FixedWidthLabel::FixedWidthLabel(int width) : width_(width) {
47  SetHorizontalAlignment(gfx::ALIGN_LEFT);
48  SetMultiLine(true);
49}
50
51FixedWidthLabel::~FixedWidthLabel() {
52}
53
54gfx::Size FixedWidthLabel::GetPreferredSize() const {
55  return gfx::Size(width_, GetHeightForWidth(width_));
56}
57
58}  // namespace
59
60IdleActionWarningDialogView::IdleActionWarningDialogView(
61    base::TimeTicks idle_action_time)
62    : idle_action_time_(idle_action_time),
63      label_(NULL) {
64  label_ = new FixedWidthLabel(kIdleActionWarningContentWidth);
65  label_->SetBorder(
66      views::Border::CreateEmptyBorder(views::kPanelVertMargin,
67                                       views::kButtonHEdgeMarginNew,
68                                       views::kPanelVertMargin,
69                                       views::kButtonHEdgeMarginNew));
70  AddChildView(label_);
71  SetLayoutManager(new views::FillLayout());
72
73  UpdateLabel();
74
75  views::DialogDelegate::CreateDialogWidget(
76      this, ash::Shell::GetPrimaryRootWindow(), NULL)->Show();
77
78  update_timer_.Start(
79      FROM_HERE,
80      base::TimeDelta::FromMilliseconds(kCountdownUpdateIntervalMs),
81      this,
82      &IdleActionWarningDialogView::UpdateLabel);
83}
84
85void IdleActionWarningDialogView::CloseDialog() {
86  update_timer_.Stop();
87  GetDialogClientView()->CancelWindow();
88}
89
90void IdleActionWarningDialogView::Update(base::TimeTicks idle_action_time) {
91  idle_action_time_ = idle_action_time;
92  UpdateLabel();
93}
94
95ui::ModalType IdleActionWarningDialogView::GetModalType() const {
96  return ui::MODAL_TYPE_SYSTEM;
97}
98
99base::string16 IdleActionWarningDialogView::GetWindowTitle() const {
100  return l10n_util::GetStringUTF16(IDS_IDLE_WARNING_TITLE);
101}
102
103int IdleActionWarningDialogView::GetDialogButtons() const {
104  return ui::DIALOG_BUTTON_NONE;
105}
106
107bool IdleActionWarningDialogView::Cancel() {
108  return !update_timer_.IsRunning();
109}
110
111IdleActionWarningDialogView::~IdleActionWarningDialogView() {
112}
113
114void IdleActionWarningDialogView::UpdateLabel() {
115  const base::TimeDelta time_until_idle_action =
116      std::max(idle_action_time_ - base::TimeTicks::Now(),
117               base::TimeDelta());
118  label_->SetText(l10n_util::GetStringFUTF16(
119      IDS_IDLE_WARNING_LOGOUT_WARNING,
120      ui::TimeFormat::Detailed(ui::TimeFormat::FORMAT_DURATION,
121                               ui::TimeFormat::LENGTH_LONG,
122                               10,
123                               time_until_idle_action)));
124}
125
126}  // namespace chromeos
127