ash/system/tray/tray_item_more.cc

   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_item_more.h"
   6
   7 #include "ash/system/tray/fixed_sized_image_view.h"
   8 #include "ash/system/tray/system_tray_item.h"
   9 #include "ash/system/tray/tray_constants.h"
  10 #include "ash/system/tray/tray_views.h"
  11 #include "grit/ash_resources.h"
  12 #include "ui/base/accessibility/accessible_view_state.h"
  13 #include "ui/base/resource/resource_bundle.h"
  14 #include "ui/gfx/image/image.h"
  15 #include "ui/views/controls/image_view.h"
  16 #include "ui/views/controls/label.h"
  17 #include "ui/views/layout/box_layout.h"
  18
  19 namespace ash {
  20 namespace internal {
  21
  22 TrayItemMore::TrayItemMore(SystemTrayItem* owner, bool show_more)
  23     : owner_(owner),
  24       show_more_(show_more),
  25       icon_(NULL),
  26       label_(NULL),
  27       more_(NULL) {
  28   SetLayoutManager(new views::BoxLayout(views::BoxLayout::kHorizontal,
  29       kTrayPopupPaddingHorizontal, 0, kTrayPopupPaddingBetweenItems));
  30
  31   icon_ = new FixedSizedImageView(0, kTrayPopupItemHeight);
  32   AddChildView(icon_);
  33
  34   label_ = new views::Label;
  35   label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
  36   AddChildView(label_);
  37
  38   if (show_more) {
  39     more_ = new views::ImageView;
  40     more_->EnableCanvasFlippingForRTLUI(true);
  41     more_->SetImage(ui::ResourceBundle::GetSharedInstance().GetImageNamed(
  42         IDR_AURA_UBER_TRAY_MORE).ToImageSkia());
  43     AddChildView(more_);
  44   }
  45 }
  46
  47 TrayItemMore::~TrayItemMore() {
  48 }
  49
  50 void TrayItemMore::SetLabel(const string16& label) {
  51   label_->SetText(label);
  52   Layout();
  53   SchedulePaint();
  54 }
  55
  56 void TrayItemMore::SetImage(const gfx::ImageSkia* image_skia) {
  57   icon_->SetImage(image_skia);
  58   SchedulePaint();
  59 }
  60
  61 void TrayItemMore::SetAccessibleName(const string16& name) {
  62   accessible_name_ = name;
  63 }
  64
  65 void TrayItemMore::ReplaceIcon(views::View* view) {
  66   delete icon_;
  67   icon_ = NULL;
  68   AddChildViewAt(view, 0);
  69 }
  70
  71 bool TrayItemMore::PerformAction(const ui::Event& event) {
  72   if (!show_more_)
  73     return false;
  74
  75   owner()->TransitionDetailedView();
  76   return true;
  77 }
  78
  79 void TrayItemMore::Layout() {
  80   // Let the box-layout do the layout first. Then move the '>' arrow to right
  81   // align.
  82   views::View::Layout();
  83
  84   if (!show_more_)
  85     return;
  86
  87   // Make sure the chevron always has the full size.
  88   gfx::Size size = more_->GetPreferredSize();
  89   gfx::Rect bounds(size);
  90   bounds.set_x(width() - size.width() - kTrayPopupPaddingBetweenItems);
  91   bounds.set_y((height() - size.height()) / 2);
  92   more_->SetBoundsRect(bounds);
  93
  94   // Adjust the label's bounds in case it got cut off by |more_|.
  95   if (label_->bounds().Intersects(more_->bounds())) {
  96     gfx::Rect bounds = label_->bounds();
  97     bounds.set_width(more_->x() - kTrayPopupPaddingBetweenItems - label_->x());
  98     label_->SetBoundsRect(bounds);
  99   }
 100 }
 101
 102 void TrayItemMore::GetAccessibleState(ui::AccessibleViewState* state) {
 103   state->role = ui::AccessibilityTypes::ROLE_PUSHBUTTON;
 104   state->name = accessible_name_;
 105 }
 106
 107 }  // namespace internal
 108 }  // namespace ash