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// Copyright (c) 2013 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_TOOLBAR_WRENCH_ICON_PAINTER_H_
#define CHROME_BROWSER_UI_TOOLBAR_WRENCH_ICON_PAINTER_H_
#include "base/compiler_specific.h"
#include "base/gtest_prod_util.h"
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/ui/global_error/global_error.h"
#include "chrome/browser/upgrade_detector.h"
#include "ui/gfx/animation/animation_delegate.h"
#include "ui/gfx/image/image_skia.h"
namespace gfx {
class Canvas;
class MultiAnimation;
class Rect;
}
namespace ui {
class ThemeProvider;
}
// This class is used to draw the wrench icon. It can signify severity levels
// by changing the wrench icon to different colors.
class WrenchIconPainter : gfx::AnimationDelegate {
public:
enum BezelType {
BEZEL_NONE,
BEZEL_HOVER,
BEZEL_PRESSED,
};
enum Severity {
SEVERITY_NONE,
SEVERITY_LOW,
SEVERITY_MEDIUM,
SEVERITY_HIGH,
};
class Delegate {
public:
virtual void ScheduleWrenchIconPaint() = 0;
protected:
virtual ~Delegate() {}
};
// Map an upgrade level to a severity level.
static Severity SeverityFromUpgradeLevel(
UpgradeDetector::UpgradeNotificationAnnoyanceLevel level);
// Checks if the wrench icon should be animated for the given upgrade level.
static bool ShouldAnimateUpgradeLevel(
UpgradeDetector::UpgradeNotificationAnnoyanceLevel level);
// Get the severity level for global errors.
static Severity GlobalErrorSeverity();
explicit WrenchIconPainter(Delegate* delegate);
virtual ~WrenchIconPainter();
// If |severity| is not |SEVERITY_NONE| then the wrench icon is colored to
// match the severity level.
void SetSeverity(Severity severity, bool animate);
// A badge drawn on the top left.
void set_badge(const gfx::ImageSkia& badge) { badge_ = badge; }
void Paint(gfx::Canvas* canvas,
ui::ThemeProvider* theme_provider,
const gfx::Rect& rect,
BezelType bezel_type);
private:
FRIEND_TEST_ALL_PREFIXES(WrenchIconPainterTest, PaintCallback);
// AnimationDelegate:
virtual void AnimationProgressed(const gfx::Animation* animation) OVERRIDE;
// Gets the image ID used to draw bars for the current severity level.
int GetCurrentSeverityImageID() const;
Delegate* delegate_;
Severity severity_;
gfx::ImageSkia badge_;
scoped_ptr<gfx::MultiAnimation> animation_;
DISALLOW_COPY_AND_ASSIGN(WrenchIconPainter);
};
#endif // CHROME_BROWSER_UI_TOOLBAR_WRENCH_ICON_PAINTER_H_
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