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      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 "ui/message_center/views/message_center_button_bar.h"
      6 
      7 #include "grit/ui_resources.h"
      8 #include "grit/ui_strings.h"
      9 #include "ui/base/l10n/l10n_util.h"
     10 #include "ui/base/models/simple_menu_model.h"
     11 #include "ui/base/resource/resource_bundle.h"
     12 #include "ui/gfx/canvas.h"
     13 #include "ui/gfx/text_constants.h"
     14 #include "ui/message_center/message_center.h"
     15 #include "ui/message_center/message_center_style.h"
     16 #include "ui/message_center/notifier_settings.h"
     17 #include "ui/message_center/views/message_center_view.h"
     18 #include "ui/views/controls/button/button.h"
     19 #include "ui/views/controls/button/image_button.h"
     20 #include "ui/views/controls/button/label_button.h"
     21 #include "ui/views/controls/button/menu_button.h"
     22 #include "ui/views/controls/button/menu_button_listener.h"
     23 #include "ui/views/controls/label.h"
     24 #include "ui/views/controls/menu/menu_runner.h"
     25 #include "ui/views/layout/box_layout.h"
     26 #include "ui/views/layout/grid_layout.h"
     27 #include "ui/views/painter.h"
     28 
     29 namespace message_center {
     30 
     31 namespace {
     32 const int kButtonSize = 40;
     33 const int kChevronWidth = 8;
     34 const int kFooterTopMargin = 6;
     35 const int kFooterBottomMargin = 3;
     36 const int kFooterLeftMargin = 20;
     37 const int kFooterRightMargin = 14;
     38 }  // namespace
     39 
     40 // NotificationCenterButton ////////////////////////////////////////////////////
     41 ////////////////////////////////////////////////////////////////////////////////
     42 class NotificationCenterButton : public views::ToggleImageButton {
     43  public:
     44   NotificationCenterButton(views::ButtonListener* listener,
     45                            int normal_id,
     46                            int hover_id,
     47                            int pressed_id,
     48                            int text_id);
     49   void set_size(gfx::Size size) { size_ = size; }
     50 
     51  protected:
     52   // Overridden from views::View:
     53   virtual gfx::Size GetPreferredSize() OVERRIDE;
     54 
     55  private:
     56   gfx::Size size_;
     57 
     58   DISALLOW_COPY_AND_ASSIGN(NotificationCenterButton);
     59 };
     60 
     61 NotificationCenterButton::NotificationCenterButton(
     62     views::ButtonListener* listener,
     63     int normal_id,
     64     int hover_id,
     65     int pressed_id,
     66     int text_id)
     67     : views::ToggleImageButton(listener), size_(kButtonSize, kButtonSize) {
     68   ui::ResourceBundle& resource_bundle = ui::ResourceBundle::GetSharedInstance();
     69   SetImage(STATE_NORMAL, resource_bundle.GetImageSkiaNamed(normal_id));
     70   SetImage(STATE_HOVERED, resource_bundle.GetImageSkiaNamed(hover_id));
     71   SetImage(STATE_PRESSED, resource_bundle.GetImageSkiaNamed(pressed_id));
     72   SetImageAlignment(views::ImageButton::ALIGN_CENTER,
     73                     views::ImageButton::ALIGN_MIDDLE);
     74   if (text_id)
     75     SetTooltipText(resource_bundle.GetLocalizedString(text_id));
     76 
     77   SetFocusable(true);
     78   set_request_focus_on_press(false);
     79 
     80   SetFocusPainter(views::Painter::CreateSolidFocusPainter(
     81       kFocusBorderColor,
     82       gfx::Insets(1, 2, 2, 2)));
     83 }
     84 
     85 gfx::Size NotificationCenterButton::GetPreferredSize() { return size_; }
     86 
     87 // MessageCenterButtonBar /////////////////////////////////////////////////////
     88 ///////////////////////////////////////////////////////////////////////////////
     89 MessageCenterButtonBar::MessageCenterButtonBar(
     90     MessageCenterView* message_center_view,
     91     MessageCenter* message_center,
     92     NotifierSettingsProvider* notifier_settings_provider,
     93     bool settings_initially_visible)
     94     : message_center_view_(message_center_view),
     95       message_center_(message_center),
     96       title_arrow_(NULL),
     97       notification_label_(NULL),
     98       button_container_(NULL),
     99       close_all_button_(NULL),
    100       settings_button_(NULL),
    101       quiet_mode_button_(NULL) {
    102   if (get_use_acceleration_when_possible())
    103     SetPaintToLayer(true);
    104   set_background(
    105       views::Background::CreateSolidBackground(kMessageCenterBackgroundColor));
    106 
    107   ui::ResourceBundle& resource_bundle = ui::ResourceBundle::GetSharedInstance();
    108 
    109   title_arrow_ = new NotificationCenterButton(this,
    110                                               IDR_NOTIFICATION_ARROW,
    111                                               IDR_NOTIFICATION_ARROW_HOVER,
    112                                               IDR_NOTIFICATION_ARROW_PRESSED,
    113                                               0);
    114   title_arrow_->set_size(gfx::Size(kChevronWidth, kButtonSize));
    115 
    116   // Keyboardists can use the gear button to switch modes.
    117   title_arrow_->SetFocusable(false);
    118   AddChildView(title_arrow_);
    119 
    120   gfx::Font notification_label_font =
    121       ResourceBundle::GetSharedInstance().GetFont(ResourceBundle::BaseFont);
    122   notification_label_ = new views::Label(
    123       l10n_util::GetStringUTF16(IDS_MESSAGE_CENTER_FOOTER_TITLE),
    124       notification_label_font);
    125   notification_label_->SetAutoColorReadabilityEnabled(false);
    126   notification_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
    127   notification_label_->SetEnabledColor(kRegularTextColor);
    128   AddChildView(notification_label_);
    129 
    130   button_container_ = new views::View;
    131   button_container_->SetLayoutManager(
    132       new views::BoxLayout(views::BoxLayout::kHorizontal, 0, 0, 0));
    133   quiet_mode_button_ = new NotificationCenterButton(
    134       this,
    135       IDR_NOTIFICATION_DO_NOT_DISTURB,
    136       IDR_NOTIFICATION_DO_NOT_DISTURB_HOVER,
    137       IDR_NOTIFICATION_DO_NOT_DISTURB_PRESSED,
    138       IDS_MESSAGE_CENTER_QUIET_MODE_BUTTON_TOOLTIP);
    139   quiet_mode_button_->SetToggledImage(
    140       views::Button::STATE_NORMAL,
    141       resource_bundle.GetImageSkiaNamed(
    142           IDR_NOTIFICATION_DO_NOT_DISTURB_PRESSED));
    143   quiet_mode_button_->SetToggledImage(
    144       views::Button::STATE_HOVERED,
    145       resource_bundle.GetImageSkiaNamed(
    146           IDR_NOTIFICATION_DO_NOT_DISTURB_PRESSED));
    147   quiet_mode_button_->SetToggledImage(
    148       views::Button::STATE_PRESSED,
    149       resource_bundle.GetImageSkiaNamed(
    150           IDR_NOTIFICATION_DO_NOT_DISTURB_PRESSED));
    151   quiet_mode_button_->SetToggled(message_center->IsQuietMode());
    152   button_container_->AddChildView(quiet_mode_button_);
    153 
    154   close_all_button_ =
    155       new NotificationCenterButton(this,
    156                                    IDR_NOTIFICATION_CLEAR_ALL,
    157                                    IDR_NOTIFICATION_CLEAR_ALL_HOVER,
    158                                    IDR_NOTIFICATION_CLEAR_ALL_PRESSED,
    159                                    IDS_MESSAGE_CENTER_CLEAR_ALL);
    160   close_all_button_->SetImage(
    161       views::Button::STATE_DISABLED,
    162       resource_bundle.GetImageSkiaNamed(IDR_NOTIFICATION_CLEAR_ALL_DISABLED));
    163   button_container_->AddChildView(close_all_button_);
    164 
    165   settings_button_ =
    166       new NotificationCenterButton(this,
    167                                    IDR_NOTIFICATION_SETTINGS,
    168                                    IDR_NOTIFICATION_SETTINGS_HOVER,
    169                                    IDR_NOTIFICATION_SETTINGS_PRESSED,
    170                                    IDS_MESSAGE_CENTER_SETTINGS_BUTTON_LABEL);
    171   button_container_->AddChildView(settings_button_);
    172 
    173   SetCloseAllButtonEnabled(!settings_initially_visible);
    174   SetBackArrowVisible(settings_initially_visible);
    175   ViewVisibilityChanged();
    176 }
    177 
    178 void MessageCenterButtonBar::ViewVisibilityChanged() {
    179   gfx::ImageSkia* settings_image =
    180       ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
    181           IDR_NOTIFICATION_SETTINGS);
    182   int image_margin = std::max(0, (kButtonSize - settings_image->width()) / 2);
    183   views::GridLayout* layout = new views::GridLayout(this);
    184   SetLayoutManager(layout);
    185   layout->SetInsets(kFooterTopMargin,
    186                     kFooterLeftMargin,
    187                     kFooterBottomMargin,
    188                     std::max(0, kFooterRightMargin - image_margin));
    189   views::ColumnSet* column = layout->AddColumnSet(0);
    190   if (title_arrow_->visible()) {
    191     // Column for the left-arrow used to back out of settings.
    192     column->AddColumn(views::GridLayout::LEADING,
    193                       views::GridLayout::CENTER,
    194                       0.0f,
    195                       views::GridLayout::USE_PREF,
    196                       0,
    197                       0);
    198 
    199     column->AddPaddingColumn(0.0f, 10);
    200   }
    201 
    202   // Column for the label "Notifications".
    203   column->AddColumn(views::GridLayout::LEADING,
    204                     views::GridLayout::CENTER,
    205                     0.0f,
    206                     views::GridLayout::USE_PREF,
    207                     0,
    208                     0);
    209 
    210   // Fills in the remaining space between "Notifications" and buttons.
    211   column->AddPaddingColumn(1.0f, image_margin);
    212 
    213   // The button area column.
    214   column->AddColumn(views::GridLayout::LEADING,
    215                     views::GridLayout::CENTER,
    216                     0.0f,
    217                     views::GridLayout::USE_PREF,
    218                     0,
    219                     0);
    220 
    221   layout->StartRow(0, 0);
    222   if (title_arrow_->visible())
    223     layout->AddView(title_arrow_);
    224   layout->AddView(notification_label_);
    225   layout->AddView(button_container_);
    226 }
    227 
    228 MessageCenterButtonBar::~MessageCenterButtonBar() {}
    229 
    230 void MessageCenterButtonBar::SetAllButtonsEnabled(bool enabled) {
    231   if (close_all_button_)
    232     close_all_button_->SetEnabled(enabled);
    233   settings_button_->SetEnabled(enabled);
    234   quiet_mode_button_->SetEnabled(enabled);
    235 }
    236 
    237 void MessageCenterButtonBar::SetCloseAllButtonEnabled(bool enabled) {
    238   if (close_all_button_)
    239     close_all_button_->SetEnabled(enabled);
    240 }
    241 
    242 void MessageCenterButtonBar::SetBackArrowVisible(bool visible) {
    243   if (title_arrow_)
    244     title_arrow_->SetVisible(visible);
    245   ViewVisibilityChanged();
    246   Layout();
    247 }
    248 
    249 void MessageCenterButtonBar::ChildVisibilityChanged(views::View* child) {
    250   InvalidateLayout();
    251 }
    252 
    253 void MessageCenterButtonBar::ButtonPressed(views::Button* sender,
    254                                            const ui::Event& event) {
    255   if (sender == close_all_button_) {
    256     message_center_view()->ClearAllNotifications();
    257   } else if (sender == settings_button_ || sender == title_arrow_) {
    258     MessageCenterView* center_view = message_center_view();
    259     center_view->SetSettingsVisible(!center_view->settings_visible());
    260   } else if (sender == quiet_mode_button_) {
    261     if (message_center()->IsQuietMode())
    262       message_center()->SetQuietMode(false);
    263     else
    264       message_center()->EnterQuietModeWithExpire(base::TimeDelta::FromDays(1));
    265     quiet_mode_button_->SetToggled(message_center()->IsQuietMode());
    266   } else {
    267     NOTREACHED();
    268   }
    269 }
    270 
    271 }  // namespace message_center
    272