chrome/browser/chromeos/power/idle_action_warning_dialog_view.cc

   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/geometry/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
  25 namespace chromeos {
  26
  27 namespace {
  28
  29 const int kIdleActionWarningContentWidth = 300;
  30
  31 const int kCountdownUpdateIntervalMs = 1000;  // 1 second.
  32
  33 class FixedWidthLabel : public views::Label {
  34  public:
  35   explicit FixedWidthLabel(int width);
  36   ~FixedWidthLabel() override;
  37
  38   gfx::Size GetPreferredSize() const override;
  39
  40  private:
  41   int width_;
  42
  43   DISALLOW_COPY_AND_ASSIGN(FixedWidthLabel);
  44 };
  45
  46 FixedWidthLabel::FixedWidthLabel(int width) : width_(width) {
  47   SetHorizontalAlignment(gfx::ALIGN_LEFT);
  48   SetMultiLine(true);
  49 }
  50
  51 FixedWidthLabel::~FixedWidthLabel() {
  52 }
  53
  54 gfx::Size FixedWidthLabel::GetPreferredSize() const {
  55   return gfx::Size(width_, GetHeightForWidth(width_));
  56 }
  57
  58 }  // namespace
  59
  60 IdleActionWarningDialogView::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
  85 void IdleActionWarningDialogView::CloseDialog() {
  86   update_timer_.Stop();
  87   GetDialogClientView()->CancelWindow();
  88 }
  89
  90 void IdleActionWarningDialogView::Update(base::TimeTicks idle_action_time) {
  91   idle_action_time_ = idle_action_time;
  92   UpdateLabel();
  93 }
  94
  95 ui::ModalType IdleActionWarningDialogView::GetModalType() const {
  96   return ui::MODAL_TYPE_SYSTEM;
  97 }
  98
  99 base::string16 IdleActionWarningDialogView::GetWindowTitle() const {
 100   return l10n_util::GetStringUTF16(IDS_IDLE_WARNING_TITLE);
 101 }
 102
 103 int IdleActionWarningDialogView::GetDialogButtons() const {
 104   return ui::DIALOG_BUTTON_NONE;
 105 }
 106
 107 bool IdleActionWarningDialogView::Cancel() {
 108   return !update_timer_.IsRunning();
 109 }
 110
 111 IdleActionWarningDialogView::~IdleActionWarningDialogView() {
 112 }
 113
 114 void 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