ash/system/chromeos/label_tray_view.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/chromeos/label_tray_view.h"
   6
   7 #include "ash/system/tray/hover_highlight_view.h"
   8 #include "ash/system/tray/tray_constants.h"
   9 #include "ash/system/tray/view_click_listener.h"
  10 #include "ui/base/resource/resource_bundle.h"
  11 #include "ui/gfx/font.h"
  12 #include "ui/views/border.h"
  13 #include "ui/views/controls/label.h"
  14 #include "ui/views/layout/fill_layout.h"
  15
  16 namespace ash {
  17
  18 LabelTrayView::LabelTrayView(ViewClickListener* click_listener,
  19                              int icon_resource_id)
  20     : click_listener_(click_listener),
  21       icon_resource_id_(icon_resource_id) {
  22   SetLayoutManager(new views::FillLayout());
  23   SetVisible(false);
  24 }
  25
  26 LabelTrayView::~LabelTrayView() {
  27 }
  28
  29 void LabelTrayView::SetMessage(const base::string16& message) {
  30   if (message_ == message)
  31     return;
  32
  33   message_ = message;
  34   RemoveAllChildViews(true);
  35   if (!message_.empty()) {
  36     AddChildView(CreateChildView(message_));
  37     SetVisible(true);
  38   } else {
  39     SetVisible(false);
  40   }
  41 }
  42
  43 views::View* LabelTrayView::CreateChildView(
  44     const base::string16& message) const {
  45   HoverHighlightView* child = new HoverHighlightView(click_listener_);
  46   if (icon_resource_id_) {
  47     ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
  48     const gfx::ImageSkia* icon = rb.GetImageSkiaNamed(icon_resource_id_);
  49     child->AddIconAndLabel(*icon, message, false /* highlight */);
  50     child->SetBorder(views::Border::CreateEmptyBorder(
  51         0, kTrayPopupPaddingHorizontal, 0, kTrayPopupPaddingHorizontal));
  52     child->text_label()->SetMultiLine(true);
  53     child->text_label()->SizeToFit(kTrayNotificationContentsWidth);
  54   } else {
  55     child->AddLabel(message, gfx::ALIGN_LEFT, false /* highlight */);
  56     child->text_label()->SetMultiLine(true);
  57     child->text_label()->SizeToFit(kTrayNotificationContentsWidth +
  58                                    kNotificationIconWidth);
  59   }
  60   child->text_label()->SetAllowCharacterBreak(true);
  61   child->SetExpandable(true);
  62   child->SetVisible(true);
  63   return child;
  64 }
  65
  66 }  // namespace ash