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// 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/tray_utils.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(
internal::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_);
SetVisible(Shell::GetInstance()->IsMaximizeModeWindowManagerEnabled());
Shell::GetInstance()->AddShellObserver(this);
}
OverviewButtonTray::~OverviewButtonTray() {
Shell::GetInstance()->RemoveShellObserver(this);
}
bool OverviewButtonTray::PerformAction(const ui::Event& event) {
Shell::GetInstance()->window_selector_controller()->ToggleOverview();
return true;
}
void OverviewButtonTray::OnMaximizeModeStarted() {
SetVisible(true);
}
void OverviewButtonTray::OnMaximizeModeEnded() {
SetVisible(false);
}
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));
}
}
} // namespace ash
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