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