blob: fbdd95348afb54b27499b5e616a03a02a22d0da8 [file] [log] [blame]
// 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/common/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/wm_shelf_util.h"
#include "ash/common/system/tray/system_tray_delegate.h"
#include "ash/common/system/tray/tray_constants.h"
#include "ash/common/system/tray/tray_utils.h"
#include "ash/common/wm/maximize_mode/maximize_mode_controller.h"
#include "ash/common/wm/overview/window_selector_controller.h"
#include "ash/common/wm_shell.h"
#include "ash/public/cpp/shelf_types.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(WmShelf* wm_shelf)
: TrayBackgroundView(wm_shelf), icon_(nullptr) {
icon_ = new views::ImageView();
if (MaterialDesignController::IsShelfMaterial()) {
SetInkDropMode(InkDropMode::ON);
SetContentsBackground(false);
gfx::ImageSkia image_md =
CreateVectorIcon(gfx::VectorIconId::SHELF_OVERVIEW, kShelfIconColor);
icon_->SetImage(image_md);
} else {
SetContentsBackground(true);
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();
// Toggling overview mode will fail if there is no window to show.
bool performed = controller->ToggleOverview();
WmShell::Get()->RecordUserMetricsAction(UMA_TRAY_OVERVIEW);
return performed;
}
void OverviewButtonTray::SessionStateChanged(
session_manager::SessionState state) {
UpdateIconVisibility();
}
void OverviewButtonTray::OnMaximizeModeStarted() {
UpdateIconVisibility();
}
void OverviewButtonTray::OnMaximizeModeEnded() {
UpdateIconVisibility();
}
void OverviewButtonTray::OnOverviewModeStarting() {
SetIsActive(true);
}
void OverviewButtonTray::OnOverviewModeEnded() {
SetIsActive(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() {
gfx::Insets insets;
if (ash::MaterialDesignController::IsShelfMaterial()) {
// Pad button size to align with other controls in the system tray.
const gfx::ImageSkia image = icon_->GetImage();
const int vertical_padding = (kTrayItemSize - image.height()) / 2;
const int horizontal_padding = (kTrayItemSize - image.width()) / 2;
insets = gfx::Insets(vertical_padding, horizontal_padding);
} else {
insets = IsHorizontalAlignment(shelf_alignment())
? gfx::Insets(kHorizontalShelfVerticalPadding,
kHorizontalShelfHorizontalPadding)
: gfx::Insets(kVerticalShelfVerticalPadding,
kVerticalShelfHorizontalPadding);
}
icon_->SetBorder(views::CreateEmptyBorder(insets));
}
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.
WmShell* shell = WmShell::Get();
SessionStateDelegate* session_state_delegate =
shell->GetSessionStateDelegate();
SetVisible(
shell->maximize_mode_controller()->IsMaximizeModeWindowManagerEnabled() &&
session_state_delegate->IsActiveUserSessionStarted() &&
!session_state_delegate->IsScreenLocked() &&
session_state_delegate->GetSessionState() ==
session_manager::SessionState::ACTIVE &&
shell->system_tray_delegate()->GetUserLoginStatus() !=
LoginStatus::KIOSK_APP);
}
} // namespace ash