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// 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.
#ifndef CHROME_BROWSER_UI_EXTENSIONS_ICON_WITH_BADGE_IMAGE_SOURCE_H_
#define CHROME_BROWSER_UI_EXTENSIONS_ICON_WITH_BADGE_IMAGE_SOURCE_H_
#include <string>
#include "base/macros.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/gfx/image/canvas_image_source.h"
#include "ui/gfx/image/image.h"
namespace gfx {
class Size;
}
// CanvasImageSource for creating extension icon with a badge.
class IconWithBadgeImageSource : public gfx::CanvasImageSource {
public:
// The data representing a badge to be painted over the base image.
struct Badge {
Badge(const std::string& text,
SkColor text_color,
SkColor background_color);
~Badge();
std::string text;
SkColor text_color;
SkColor background_color;
private:
DISALLOW_COPY_AND_ASSIGN(Badge);
};
explicit IconWithBadgeImageSource(const gfx::Size& size);
~IconWithBadgeImageSource() override;
void SetIcon(const gfx::Image& icon);
void SetBadge(scoped_ptr<Badge> badge);
void set_grayscale(bool grayscale) { grayscale_ = grayscale; }
void set_paint_page_action_decoration(bool should_paint) {
paint_page_action_decoration_ = should_paint;
}
void set_paint_blocked_actions_decoration(bool should_paint) {
paint_blocked_actions_decoration_ = should_paint;
}
bool grayscale() const { return grayscale_; }
bool paint_page_action_decoration() const {
return paint_page_action_decoration_;
}
bool paint_blocked_actions_decoration() const {
return paint_blocked_actions_decoration_;
}
private:
// gfx::CanvasImageSource:
void Draw(gfx::Canvas* canvas) override;
// Paints |badge_|, if any, on |canvas|.
void PaintBadge(gfx::Canvas* canvas);
// Paints a decoration over the base icon to indicate that the action wants to
// run.
void PaintPageActionDecoration(gfx::Canvas* canvas);
// Paints a decoration over the base icon to indicate that the extension has
// a blocked action that wants to run.
void PaintBlockedActionDecoration(gfx::Canvas* canvas);
// The base icon to draw.
gfx::Image icon_;
// An optional badge to draw over the base icon.
scoped_ptr<Badge> badge_;
// Whether or not the icon should be grayscaled (e.g., to show it is
// disabled).
bool grayscale_;
// Whether or not to paint a decoration over the base icon to indicate the
// represented action wants to run.
bool paint_page_action_decoration_;
// Whether or not to paint a decoration to indicate that the extension has
// had actions blocked.
bool paint_blocked_actions_decoration_;
DISALLOW_COPY_AND_ASSIGN(IconWithBadgeImageSource);
};
#endif // CHROME_BROWSER_UI_EXTENSIONS_ICON_WITH_BADGE_IMAGE_SOURCE_H_
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