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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 VIEWS_CONTROLS_PROGRESS_BAR_H_
#define VIEWS_CONTROLS_PROGRESS_BAR_H_
#pragma once
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "views/view.h"
namespace views {
// Progress bar is a control that indicates progress visually.
class VIEWS_EXPORT ProgressBar : public View {
public:
// The value range defaults to [0.0, 1.0].
ProgressBar();
virtual ~ProgressBar();
double current_value() const { return current_value_; }
// Sets the inclusive range of values to be displayed. Values outside of the
// range will be capped when displayed.
void SetDisplayRange(double min_display_value, double max_display_value);
// Sets the current value. Values outside of the range [min_display_value_,
// max_display_value_] will be stored unmodified and capped for display.
void SetValue(double value);
// Sets the tooltip text. Default behavior for a progress bar is to show no
// tooltip on mouse hover. Calling this lets you set a custom tooltip. To
// revert to default behavior, call this with an empty string.
void SetTooltipText(const string16& tooltip_text);
// Overridden from View:
virtual bool GetTooltipText(const gfx::Point& p,
string16* tooltip) const OVERRIDE;
virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
private:
static const char kViewClassName[];
// Overridden from View:
virtual gfx::Size GetPreferredSize() OVERRIDE;
virtual std::string GetClassName() const OVERRIDE;
virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
// Inclusive range used when displaying values.
double min_display_value_;
double max_display_value_;
// Current value. May be outside of [min_display_value_, max_display_value_].
double current_value_;
// Tooltip text.
string16 tooltip_text_;
DISALLOW_COPY_AND_ASSIGN(ProgressBar);
};
} // namespace views
#endif // VIEWS_CONTROLS_PROGRESS_BAR_H_
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