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      1 // Copyright (c) 2012 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 "ash/system/tray/tray_notification_view.h"
      6 
      7 #include "ash/system/tray/system_tray_item.h"
      8 #include "ash/system/tray/tray_constants.h"
      9 #include "grit/ash_strings.h"
     10 #include "grit/ui_resources.h"
     11 #include "ui/base/resource/resource_bundle.h"
     12 #include "ui/gfx/image/image_skia.h"
     13 #include "ui/views/background.h"
     14 #include "ui/views/controls/button/image_button.h"
     15 #include "ui/views/controls/image_view.h"
     16 #include "ui/views/layout/grid_layout.h"
     17 
     18 namespace ash {
     19 
     20 TrayNotificationView::TrayNotificationView(SystemTrayItem* owner, int icon_id)
     21     : owner_(owner),
     22       icon_id_(icon_id),
     23       icon_(NULL),
     24       autoclose_delay_(0) {
     25 }
     26 
     27 TrayNotificationView::~TrayNotificationView() {
     28 }
     29 
     30 void TrayNotificationView::InitView(views::View* contents) {
     31   set_background(views::Background::CreateSolidBackground(kBackgroundColor));
     32 
     33   views::GridLayout* layout = new views::GridLayout(this);
     34   SetLayoutManager(layout);
     35 
     36   views::ImageButton* close_button = new views::ImageButton(this);
     37   close_button->SetImage(views::CustomButton::STATE_NORMAL,
     38                          ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
     39                              IDR_MESSAGE_CLOSE));
     40   close_button->SetImageAlignment(views::ImageButton::ALIGN_CENTER,
     41                                   views::ImageButton::ALIGN_MIDDLE);
     42 
     43   icon_ = new views::ImageView;
     44   if (icon_id_ != 0) {
     45     icon_->SetImage(
     46         ResourceBundle::GetSharedInstance().GetImageSkiaNamed(icon_id_));
     47   }
     48 
     49   views::ColumnSet* columns = layout->AddColumnSet(0);
     50 
     51   columns->AddPaddingColumn(0, kTrayPopupPaddingHorizontal / 2);
     52 
     53   // Icon
     54   columns->AddColumn(views::GridLayout::CENTER, views::GridLayout::CENTER,
     55                      0, /* resize percent */
     56                      views::GridLayout::FIXED,
     57                      kNotificationIconWidth, kNotificationIconWidth);
     58 
     59   columns->AddPaddingColumn(0, kTrayPopupPaddingHorizontal / 2);
     60 
     61   // Contents
     62   columns->AddColumn(views::GridLayout::FILL, views::GridLayout::FILL,
     63                      100, /* resize percent */
     64                      views::GridLayout::FIXED,
     65                      kTrayNotificationContentsWidth,
     66                      kTrayNotificationContentsWidth);
     67 
     68   columns->AddPaddingColumn(0, kTrayPopupPaddingHorizontal / 2);
     69 
     70   // Close button
     71   columns->AddColumn(views::GridLayout::CENTER, views::GridLayout::LEADING,
     72                      0, /* resize percent */
     73                      views::GridLayout::FIXED,
     74                      kNotificationButtonWidth, kNotificationButtonWidth);
     75 
     76   // Layout rows
     77   layout->AddPaddingRow(0, kTrayPopupPaddingBetweenItems);
     78   layout->StartRow(0, 0);
     79   layout->AddView(icon_);
     80   layout->AddView(contents);
     81   layout->AddView(close_button);
     82   layout->AddPaddingRow(0, kTrayPopupPaddingBetweenItems);
     83 }
     84 
     85 void TrayNotificationView::SetIconImage(const gfx::ImageSkia& image) {
     86   icon_->SetImage(image);
     87   SchedulePaint();
     88 }
     89 
     90 const gfx::ImageSkia& TrayNotificationView::GetIconImage() const {
     91   return icon_->GetImage();
     92 }
     93 
     94 void TrayNotificationView::UpdateView(views::View* new_contents) {
     95   RemoveAllChildViews(true);
     96   InitView(new_contents);
     97   Layout();
     98   PreferredSizeChanged();
     99   SchedulePaint();
    100 }
    101 
    102 void TrayNotificationView::UpdateViewAndImage(views::View* new_contents,
    103                                               const gfx::ImageSkia& image) {
    104   RemoveAllChildViews(true);
    105   InitView(new_contents);
    106   icon_->SetImage(image);
    107   Layout();
    108   PreferredSizeChanged();
    109   SchedulePaint();
    110 }
    111 
    112 void TrayNotificationView::StartAutoCloseTimer(int seconds) {
    113   autoclose_.Stop();
    114   autoclose_delay_ = seconds;
    115   if (autoclose_delay_) {
    116     autoclose_.Start(FROM_HERE,
    117                      base::TimeDelta::FromSeconds(autoclose_delay_),
    118                      this, &TrayNotificationView::HandleClose);
    119   }
    120 }
    121 
    122 void TrayNotificationView::StopAutoCloseTimer() {
    123   autoclose_.Stop();
    124 }
    125 
    126 void TrayNotificationView::RestartAutoCloseTimer() {
    127   if (autoclose_delay_)
    128     StartAutoCloseTimer(autoclose_delay_);
    129 }
    130 
    131 void TrayNotificationView::ButtonPressed(views::Button* sender,
    132                                          const ui::Event& event) {
    133   HandleClose();
    134 }
    135 
    136 bool TrayNotificationView::OnMousePressed(const ui::MouseEvent& event) {
    137   HandleClickAction();
    138   return true;
    139 }
    140 
    141 void TrayNotificationView::OnGestureEvent(ui::GestureEvent* event) {
    142   SlideOutView::OnGestureEvent(event);
    143   if (event->handled())
    144     return;
    145   if (event->type() != ui::ET_GESTURE_TAP)
    146     return;
    147   HandleClickAction();
    148   event->SetHandled();
    149 }
    150 
    151 void TrayNotificationView::OnClose() {
    152 }
    153 
    154 void TrayNotificationView::OnClickAction() {
    155 }
    156 
    157 void TrayNotificationView::OnSlideOut() {
    158   owner_->HideNotificationView();
    159 }
    160 
    161 void TrayNotificationView::HandleClose() {
    162   OnClose();
    163   owner_->HideNotificationView();
    164 }
    165 
    166 void TrayNotificationView::HandleClickAction() {
    167   HandleClose();
    168   OnClickAction();
    169 }
    170 
    171 }  // namespace ash
    172