blob: 596c76fc0b5d019d9ff41244adab77e7bafbbda5 [file] [log] [blame]
// Copyright (c) 2012 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 <memory>
#include "ash/ash_export.h"
#include "base/macros.h"
#include "ui/gfx/animation/animation_delegate.h"
#include "ui/views/controls/label.h"
#include "ui/views/view.h"
namespace gfx {
class SlideAnimation;
namespace views {
class ImageView;
namespace ash {
class Shelf;
// Label view which can be given a different data from the visible label.
// IME icons like "US" (US keyboard) or "あ(Google Japanese Input)" are
// rendered as a label, but reading such text literally will not always be
// understandable.
class IconizedLabel : public views::Label {
void SetCustomAccessibleName(const base::string16& name) {
custom_accessible_name_ = name;
// views::Label:
void GetAccessibleNodeData(ui::AXNodeData* node_data) override;
base::string16 custom_accessible_name_;
// Base-class for items in the tray. It makes sure the widget is updated
// correctly when the visibility/size of the tray item changes. It also adds
// animation when showing/hiding the item in the tray.
class ASH_EXPORT TrayItemView : public views::View,
public gfx::AnimationDelegate {
explicit TrayItemView(Shelf* shelf);
~TrayItemView() override;
// Convenience function for creating a child Label or ImageView.
// Only one of the two should be called.
void CreateLabel();
void CreateImageView();
IconizedLabel* label() const { return label_; }
views::ImageView* image_view() const { return image_view_; }
// Overridden from views::View.
void SetVisible(bool visible) override;
gfx::Size CalculatePreferredSize() const override;
int GetHeightForWidth(int width) const override;
// The default animation duration is 200ms. But each view can customize this.
virtual int GetAnimationDurationMS();
// Returns whether the shelf is horizontal.
bool IsHorizontalAlignment() const;
// Overridden from views::View.
void ChildPreferredSizeChanged(View* child) override;
// Overridden from gfx::AnimationDelegate.
void AnimationProgressed(const gfx::Animation* animation) override;
void AnimationEnded(const gfx::Animation* animation) override;
void AnimationCanceled(const gfx::Animation* animation) override;
Shelf* const shelf_;
std::unique_ptr<gfx::SlideAnimation> animation_;
// Only one of |label_| and |image_view_| should be non-null.
IconizedLabel* label_;
views::ImageView* image_view_;
} // namespace ash