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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.
#ifndef CHROME_BROWSER_ANDROID_THUMBNAIL_THUMBNAIL_H_
#define CHROME_BROWSER_ANDROID_THUMBNAIL_THUMBNAIL_H_
#include "base/memory/ref_counted.h"
#include "base/time/time.h"
#include "cc/resources/ui_resource_bitmap.h"
#include "cc/resources/ui_resource_client.h"
#include "ui/android/resources/ui_resource_client_android.h"
#include "ui/gfx/geometry/size.h"
namespace base {
class Time;
}
namespace gfx {
class Size;
}
namespace ui {
class UIResourceProvider;
}
typedef int TabId;
class Thumbnail;
class ThumbnailDelegate {
public:
virtual void InvalidateCachedThumbnail(Thumbnail* thumbnail) = 0;
virtual ~ThumbnailDelegate() {}
};
class Thumbnail : public ui::UIResourceClientAndroid {
public:
static scoped_ptr<Thumbnail> Create(
TabId tab_id,
const base::Time& time_stamp,
float scale,
ui::UIResourceProvider* ui_resource_provider,
ThumbnailDelegate* thumbnail_delegate);
virtual ~Thumbnail();
TabId tab_id() const { return tab_id_; }
base::Time time_stamp() const { return time_stamp_; }
float scale() const { return scale_; }
cc::UIResourceId ui_resource_id() const { return ui_resource_id_; }
const gfx::SizeF& scaled_content_size() const { return scaled_content_size_; }
const gfx::SizeF& scaled_data_size() const { return scaled_data_size_; }
void SetBitmap(const SkBitmap& bitmap);
void SetCompressedBitmap(skia::RefPtr<SkPixelRef> compressed_bitmap,
const gfx::Size& content_size);
void CreateUIResource();
// content::UIResourceClient implementation.
virtual cc::UIResourceBitmap GetBitmap(cc::UIResourceId uid,
bool resource_lost) override;
// ui::UIResourceClientAndroid implementation.
virtual void UIResourceIsInvalid() override;
protected:
Thumbnail(TabId tab_id,
const base::Time& time_stamp,
float scale,
ui::UIResourceProvider* ui_resource_provider,
ThumbnailDelegate* thumbnail_delegate);
void ClearUIResourceId();
TabId tab_id_;
base::Time time_stamp_;
float scale_;
gfx::SizeF scaled_content_size_;
gfx::SizeF scaled_data_size_;
cc::UIResourceBitmap bitmap_;
cc::UIResourceId ui_resource_id_;
bool retrieved_;
ui::UIResourceProvider* ui_resource_provider_;
ThumbnailDelegate* thumbnail_delegate_;
DISALLOW_COPY_AND_ASSIGN(Thumbnail);
};
#endif // CHROME_BROWSER_ANDROID_THUMBNAIL_THUMBNAIL_H_
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