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| 1 // Copyright 2014 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/common/system/overview/overview_button_tray.h" | |
| 6 | |
| 7 #include "ash/common/session/session_state_delegate.h" | |
| 8 #include "ash/common/shelf/shelf_constants.h" | |
| 9 #include "ash/common/system/tray/system_tray_delegate.h" | |
| 10 #include "ash/common/system/tray/tray_constants.h" | |
| 11 #include "ash/common/wm/maximize_mode/maximize_mode_controller.h" | |
| 12 #include "ash/common/wm/overview/window_selector_controller.h" | |
| 13 #include "ash/common/wm_shell.h" | |
| 14 #include "ash/resources/vector_icons/vector_icons.h" | |
| 15 #include "ash/strings/grit/ash_strings.h" | |
| 16 #include "ui/base/l10n/l10n_util.h" | |
| 17 #include "ui/gfx/paint_vector_icon.h" | |
| 18 #include "ui/views/border.h" | |
| 19 #include "ui/views/controls/image_view.h" | |
| 20 | |
| 21 namespace ash { | |
| 22 | |
| 23 OverviewButtonTray::OverviewButtonTray(WmShelf* wm_shelf) | |
| 24 : TrayBackgroundView(wm_shelf), icon_(new views::ImageView()) { | |
| 25 SetInkDropMode(InkDropMode::ON); | |
| 26 SetContentsBackground(false); | |
| 27 | |
| 28 icon_->SetImage(CreateVectorIcon(kShelfOverviewIcon, kShelfIconColor)); | |
| 29 SetIconBorderForShelfAlignment(); | |
| 30 tray_container()->AddChildView(icon_); | |
| 31 | |
| 32 // Since OverviewButtonTray is located on the rightmost position of a | |
| 33 // horizontal shelf, no separator is required. | |
| 34 set_separator_visibility(false); | |
| 35 | |
| 36 WmShell::Get()->AddShellObserver(this); | |
| 37 WmShell::Get()->GetSessionStateDelegate()->AddSessionStateObserver(this); | |
| 38 } | |
| 39 | |
| 40 OverviewButtonTray::~OverviewButtonTray() { | |
| 41 WmShell::Get()->RemoveShellObserver(this); | |
| 42 WmShell::Get()->GetSessionStateDelegate()->RemoveSessionStateObserver(this); | |
| 43 } | |
| 44 | |
| 45 void OverviewButtonTray::UpdateAfterLoginStatusChange(LoginStatus status) { | |
| 46 UpdateIconVisibility(); | |
| 47 } | |
| 48 | |
| 49 bool OverviewButtonTray::PerformAction(const ui::Event& event) { | |
| 50 WindowSelectorController* controller = | |
| 51 WmShell::Get()->window_selector_controller(); | |
| 52 // Toggling overview mode will fail if there is no window to show. | |
| 53 bool performed = controller->ToggleOverview(); | |
| 54 WmShell::Get()->RecordUserMetricsAction(UMA_TRAY_OVERVIEW); | |
| 55 return performed; | |
| 56 } | |
| 57 | |
| 58 void OverviewButtonTray::SessionStateChanged( | |
| 59 session_manager::SessionState state) { | |
| 60 UpdateIconVisibility(); | |
| 61 } | |
| 62 | |
| 63 void OverviewButtonTray::OnMaximizeModeStarted() { | |
| 64 UpdateIconVisibility(); | |
| 65 } | |
| 66 | |
| 67 void OverviewButtonTray::OnMaximizeModeEnded() { | |
| 68 UpdateIconVisibility(); | |
| 69 } | |
| 70 | |
| 71 void OverviewButtonTray::OnOverviewModeStarting() { | |
| 72 SetIsActive(true); | |
| 73 } | |
| 74 | |
| 75 void OverviewButtonTray::OnOverviewModeEnded() { | |
| 76 SetIsActive(false); | |
| 77 } | |
| 78 | |
| 79 void OverviewButtonTray::ClickedOutsideBubble() {} | |
| 80 | |
| 81 base::string16 OverviewButtonTray::GetAccessibleNameForTray() { | |
| 82 return l10n_util::GetStringUTF16(IDS_ASH_OVERVIEW_BUTTON_ACCESSIBLE_NAME); | |
| 83 } | |
| 84 | |
| 85 void OverviewButtonTray::HideBubbleWithView( | |
| 86 const views::TrayBubbleView* bubble_view) { | |
| 87 // This class has no bubbles to hide. | |
| 88 } | |
| 89 | |
| 90 void OverviewButtonTray::SetShelfAlignment(ShelfAlignment alignment) { | |
| 91 if (alignment == shelf_alignment()) | |
| 92 return; | |
| 93 | |
| 94 TrayBackgroundView::SetShelfAlignment(alignment); | |
| 95 SetIconBorderForShelfAlignment(); | |
| 96 } | |
| 97 | |
| 98 void OverviewButtonTray::SetIconBorderForShelfAlignment() { | |
| 99 // Pad button size to align with other controls in the system tray. | |
| 100 const gfx::ImageSkia& image = icon_->GetImage(); | |
| 101 const int vertical_padding = (kTrayItemSize - image.height()) / 2; | |
| 102 const int horizontal_padding = (kTrayItemSize - image.width()) / 2; | |
| 103 icon_->SetBorder(views::CreateEmptyBorder( | |
| 104 gfx::Insets(vertical_padding, horizontal_padding))); | |
| 105 } | |
| 106 | |
| 107 void OverviewButtonTray::UpdateIconVisibility() { | |
| 108 // The visibility of the OverviewButtonTray has diverged from | |
| 109 // WindowSelectorController::CanSelect. The visibility of the button should | |
| 110 // not change during transient times in which CanSelect is false. Such as when | |
| 111 // a modal dialog is present. | |
| 112 WmShell* shell = WmShell::Get(); | |
| 113 SessionStateDelegate* session_state_delegate = | |
| 114 shell->GetSessionStateDelegate(); | |
| 115 | |
| 116 SetVisible( | |
| 117 shell->maximize_mode_controller()->IsMaximizeModeWindowManagerEnabled() && | |
| 118 session_state_delegate->IsActiveUserSessionStarted() && | |
| 119 !session_state_delegate->IsScreenLocked() && | |
| 120 session_state_delegate->GetSessionState() == | |
| 121 session_manager::SessionState::ACTIVE && | |
| 122 shell->system_tray_delegate()->GetUserLoginStatus() != | |
| 123 LoginStatus::KIOSK_APP && | |
| 124 shell->system_tray_delegate()->GetUserLoginStatus() != | |
| 125 LoginStatus::ARC_KIOSK_APP); | |
| 126 } | |
| 127 | |
| 128 } // namespace ash | |
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Chromium Code Reviews
Issue 2734653002:
chromeos: Move files in //ash/common to //ash (Closed)
