| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ash/system/overview/overview_button_tray.h" |
| |
| #include "ash/shelf/shelf_types.h" |
| #include "ash/shell.h" |
| #include "ash/system/tray/system_tray_delegate.h" |
| #include "ash/system/tray/tray_utils.h" |
| #include "ash/wm/maximize_mode/maximize_mode_controller.h" |
| #include "ash/wm/overview/window_selector_controller.h" |
| #include "grit/ash_resources.h" |
| #include "grit/ash_strings.h" |
| #include "ui/base/l10n/l10n_util.h" |
| #include "ui/base/resource/resource_bundle.h" |
| #include "ui/views/border.h" |
| #include "ui/views/controls/image_view.h" |
| |
| namespace { |
| |
| // Predefined padding for the icon used in this tray. These are to be set to the |
| // border of the icon, depending on the current shelf_alignment() |
| const int kHorizontalShelfHorizontalPadding = 8; |
| const int kHorizontalShelfVerticalPadding = 4; |
| const int kVerticalShelfHorizontalPadding = 2; |
| const int kVerticalShelfVerticalPadding = 5; |
| |
| } // namespace |
| |
| namespace ash { |
| |
| OverviewButtonTray::OverviewButtonTray(StatusAreaWidget* status_area_widget) |
| : TrayBackgroundView(status_area_widget), icon_(NULL) { |
| SetContentsBackground(); |
| |
| ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance(); |
| icon_ = new views::ImageView(); |
| icon_->SetImage( |
| bundle.GetImageNamed(IDR_AURA_UBER_TRAY_OVERVIEW_MODE).ToImageSkia()); |
| SetIconBorderForShelfAlignment(); |
| tray_container()->AddChildView(icon_); |
| |
| Shell::GetInstance()->AddShellObserver(this); |
| } |
| |
| OverviewButtonTray::~OverviewButtonTray() { |
| Shell::GetInstance()->RemoveShellObserver(this); |
| } |
| |
| void OverviewButtonTray::UpdateAfterLoginStatusChange( |
| user::LoginStatus status) { |
| UpdateIconVisibility(); |
| } |
| |
| bool OverviewButtonTray::PerformAction(const ui::Event& event) { |
| Shell::GetInstance()->window_selector_controller()->ToggleOverview(); |
| return true; |
| } |
| |
| void OverviewButtonTray::OnMaximizeModeStarted() { |
| UpdateIconVisibility(); |
| } |
| |
| void OverviewButtonTray::OnMaximizeModeEnded() { |
| UpdateIconVisibility(); |
| } |
| |
| bool OverviewButtonTray::ClickedOutsideBubble() { |
| // This class has no bubbles dismiss, but acknowledge that the message was |
| // handled. |
| return true; |
| } |
| |
| base::string16 OverviewButtonTray::GetAccessibleNameForTray() { |
| return l10n_util::GetStringUTF16(IDS_ASH_OVERVIEW_BUTTON_ACCESSIBLE_NAME); |
| } |
| |
| void OverviewButtonTray::HideBubbleWithView( |
| const views::TrayBubbleView* bubble_view) { |
| // This class has no bubbles to hide. |
| } |
| |
| void OverviewButtonTray::SetShelfAlignment(ShelfAlignment alignment) { |
| if (alignment == shelf_alignment()) |
| return; |
| |
| TrayBackgroundView::SetShelfAlignment(alignment); |
| SetIconBorderForShelfAlignment(); |
| } |
| |
| void OverviewButtonTray::SetIconBorderForShelfAlignment() { |
| if (shelf_alignment() == SHELF_ALIGNMENT_BOTTOM || |
| shelf_alignment() == SHELF_ALIGNMENT_TOP) { |
| icon_->SetBorder(views::Border::CreateEmptyBorder( |
| kHorizontalShelfVerticalPadding, |
| kHorizontalShelfHorizontalPadding, |
| kHorizontalShelfVerticalPadding, |
| kHorizontalShelfHorizontalPadding)); |
| } else { |
| icon_->SetBorder(views::Border::CreateEmptyBorder( |
| kVerticalShelfVerticalPadding, |
| kVerticalShelfHorizontalPadding, |
| kVerticalShelfVerticalPadding, |
| kVerticalShelfHorizontalPadding)); |
| } |
| } |
| |
| void OverviewButtonTray::UpdateIconVisibility() { |
| SetVisible(Shell::GetInstance()->maximize_mode_controller()-> |
| IsMaximizeModeWindowManagerEnabled() && |
| Shell::GetInstance()->window_selector_controller()->CanSelect()); |
| } |
| |
| } // namespace ash |