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// Copyright (c) 2011 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.
#ifndef UI_AURA_SHELL_LAUNCHER_TABBED_LAUNCHER_BUTTON_H_
#define UI_AURA_SHELL_LAUNCHER_TABBED_LAUNCHER_BUTTON_H_
#pragma once
#include "base/memory/scoped_ptr.h"
#include "base/timer.h"
#include "ui/aura_shell/launcher/launcher_types.h"
#include "ui/base/animation/animation_delegate.h"
#include "ui/views/controls/button/image_button.h"
#include "ui/views/controls/glow_hover_controller.h"
namespace ui {
class MultiAnimation;
}
namespace aura_shell {
namespace internal {
class LauncherButtonHost;
// Button used for items on the launcher corresponding to tabbed windows.
class TabbedLauncherButton : public views::ImageButton {
public:
TabbedLauncherButton(views::ButtonListener* listener,
LauncherButtonHost* host);
virtual ~TabbedLauncherButton();
// Notification that the images are about to change. Kicks off an animation.
void PrepareForImageChange();
// Sets the images to display for this entry.
void SetImages(const LauncherTabbedImages& images);
protected:
// View overrides:
virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
virtual bool OnMousePressed(const views::MouseEvent& event) OVERRIDE;
virtual void OnMouseReleased(const views::MouseEvent& event) OVERRIDE;
virtual void OnMouseCaptureLost() OVERRIDE;
virtual bool OnMouseDragged(const views::MouseEvent& event) OVERRIDE;
virtual void OnMouseEntered(const views::MouseEvent& event) OVERRIDE;
virtual void OnMouseMoved(const views::MouseEvent& event) OVERRIDE;
virtual void OnMouseExited(const views::MouseEvent& event) OVERRIDE;
private:
// Used as the delegate for |animation_|. TabbedLauncherButton doesn't
// directly implement AnimationDelegate as one of it's superclasses already
// does.
class AnimationDelegateImpl : public ui::AnimationDelegate {
public:
explicit AnimationDelegateImpl(TabbedLauncherButton* host);
virtual ~AnimationDelegateImpl();
// ui::AnimationDelegateImpl overrides:
virtual void AnimationEnded(const ui::Animation* animation) OVERRIDE;
virtual void AnimationProgressed(const ui::Animation* animation) OVERRIDE;
private:
TabbedLauncherButton* host_;
DISALLOW_COPY_AND_ASSIGN(AnimationDelegateImpl);
};
struct ImageSet {
SkBitmap* normal_image;
SkBitmap* pushed_image;
SkBitmap* hot_image;
};
// Creates an ImageSet using the specified image ids. Caller owns the returned
// value.
static ImageSet* CreateImageSet(int normal_id, int pushed_id, int hot_id);
LauncherTabbedImages images_;
LauncherButtonHost* host_;
// Delegate of |animation_|.
AnimationDelegateImpl animation_delegate_;
// Used to animate image.
scoped_ptr<ui::MultiAnimation> animation_;
// Should |images_| be shown? This is set to false soon after
// PrepareForImageChange() is invoked without a following call to SetImages().
bool show_image_;
// Background images. Which one is chosen depends upon how many images are
// provided.
static ImageSet* bg_image_1_;
static ImageSet* bg_image_2_;
static ImageSet* bg_image_3_;
views::GlowHoverController hover_controller_;
DISALLOW_COPY_AND_ASSIGN(TabbedLauncherButton);
};
} // namespace internal
} // namespace aura_shell
#endif // UI_AURA_SHELL_LAUNCHER_TABBED_LAUNCHER_BUTTON_H_
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