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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 PDF_PROGRESS_CONTROL_H_
#define PDF_PROGRESS_CONTROL_H_
#include <string>
#include <vector>
#include "pdf/control.h"
#include "pdf/fading_control.h"
#include "ppapi/cpp/image_data.h"
namespace chrome_pdf {
class ProgressControl : public FadingControl {
public:
static const double kCompleted;
enum ProgressEventIds {
EVENT_ID_PROGRESS_COMPLETED,
};
ProgressControl();
virtual ~ProgressControl();
virtual bool CreateProgressControl(uint32 id,
bool visible,
Control::Owner* delegate,
double progress,
float device_scale,
const std::vector<pp::ImageData>& images,
const pp::ImageData& background,
const std::string& text);
void Reconfigure(const pp::ImageData& background,
const std::vector<pp::ImageData>& images,
float device_scale);
static void CalculateLayout(pp::Instance* instance,
const std::vector<pp::ImageData>& images,
const pp::ImageData& background,
const std::string& text,
float device_scale,
pp::Size* ctrl_size,
pp::Rect* image_rc,
pp::Rect* text_rc);
// Control interface.
virtual void Paint(pp::ImageData* image_data, const pp::Rect& rc);
// ProgressControl interface
// Set progress indicator in percents from 0% to 100%.
virtual void SetProgress(double progress);
private:
void PrepareBackground();
void AdjustBackground();
size_t GetImageIngex() const;
double progress_;
float device_scale_;
std::vector<pp::ImageData> images_;
pp::ImageData background_;
pp::ImageData ctrl_background_;
std::string text_;
pp::Rect image_rc_;
pp::Rect text_rc_;
};
} // namespace chrome_pdf
#endif // PDF_PROGRESS_CONTROL_H_
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