| // 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/common/material_design/material_design_controller.h" |
| #include "ash/common/session/session_state_delegate.h" |
| #include "ash/common/shelf/shelf_constants.h" |
| #include "ash/common/shelf/shelf_types.h" |
| #include "ash/common/shelf/wm_shelf_util.h" |
| #include "ash/common/system/tray/system_tray_delegate.h" |
| #include "ash/common/system/tray/tray_utils.h" |
| #include "ash/common/wm/overview/window_selector_controller.h" |
| #include "ash/common/wm_shell.h" |
| #include "ash/shelf/shelf_util.h" |
| #include "ash/shell.h" |
| #include "ash/wm/maximize_mode/maximize_mode_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/gfx/paint_vector_icon.h" |
| #include "ui/gfx/vector_icons_public.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(); |
| |
| icon_ = new views::ImageView(); |
| if (MaterialDesignController::IsShelfMaterial()) { |
| gfx::ImageSkia image_md = |
| CreateVectorIcon(gfx::VectorIconId::SHELF_OVERVIEW, kShelfIconColor); |
| icon_->SetImage(image_md); |
| } else { |
| gfx::ImageSkia* image_non_md = |
| ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed( |
| IDR_AURA_UBER_TRAY_OVERVIEW_MODE); |
| icon_->SetImage(image_non_md); |
| } |
| SetIconBorderForShelfAlignment(); |
| tray_container()->AddChildView(icon_); |
| |
| WmShell::Get()->AddShellObserver(this); |
| WmShell::Get()->GetSessionStateDelegate()->AddSessionStateObserver(this); |
| } |
| |
| OverviewButtonTray::~OverviewButtonTray() { |
| WmShell::Get()->RemoveShellObserver(this); |
| WmShell::Get()->GetSessionStateDelegate()->RemoveSessionStateObserver(this); |
| } |
| |
| void OverviewButtonTray::UpdateAfterLoginStatusChange(LoginStatus status) { |
| UpdateIconVisibility(); |
| } |
| |
| bool OverviewButtonTray::PerformAction(const ui::Event& event) { |
| WindowSelectorController* controller = |
| WmShell::Get()->window_selector_controller(); |
| controller->ToggleOverview(); |
| SetDrawBackgroundAsActive(controller->IsSelecting()); |
| WmShell::Get()->RecordUserMetricsAction(UMA_TRAY_OVERVIEW); |
| return true; |
| } |
| |
| void OverviewButtonTray::SessionStateChanged( |
| SessionStateDelegate::SessionState state) { |
| UpdateIconVisibility(); |
| } |
| |
| void OverviewButtonTray::OnMaximizeModeStarted() { |
| UpdateIconVisibility(); |
| } |
| |
| void OverviewButtonTray::OnMaximizeModeEnded() { |
| UpdateIconVisibility(); |
| } |
| |
| void OverviewButtonTray::OnOverviewModeEnded() { |
| SetDrawBackgroundAsActive(false); |
| } |
| |
| void OverviewButtonTray::ClickedOutsideBubble() {} |
| |
| 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 (IsHorizontalAlignment(shelf_alignment())) { |
| icon_->SetBorder(views::Border::CreateEmptyBorder( |
| kHorizontalShelfVerticalPadding, |
| kHorizontalShelfHorizontalPadding, |
| kHorizontalShelfVerticalPadding, |
| kHorizontalShelfHorizontalPadding)); |
| } else { |
| icon_->SetBorder(views::Border::CreateEmptyBorder( |
| kVerticalShelfVerticalPadding, |
| kVerticalShelfHorizontalPadding, |
| kVerticalShelfVerticalPadding, |
| kVerticalShelfHorizontalPadding)); |
| } |
| } |
| |
| void OverviewButtonTray::UpdateIconVisibility() { |
| // The visibility of the OverviewButtonTray has diverge from |
| // WindowSelectorController::CanSelect. The visibility of the button should |
| // not change during transient times in which CanSelect is false. Such as when |
| // a modal dialog is present. |
| Shell* shell = Shell::GetInstance(); |
| SessionStateDelegate* session_state_delegate = |
| WmShell::Get()->GetSessionStateDelegate(); |
| |
| SetVisible( |
| shell->maximize_mode_controller()->IsMaximizeModeWindowManagerEnabled() && |
| session_state_delegate->IsActiveUserSessionStarted() && |
| !session_state_delegate->IsScreenLocked() && |
| session_state_delegate->GetSessionState() == |
| SessionStateDelegate::SESSION_STATE_ACTIVE && |
| WmShell::Get()->system_tray_delegate()->GetUserLoginStatus() != |
| LoginStatus::KIOSK_APP); |
| } |
| |
| } // namespace ash |