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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef PDF_PROGRESS_CONTROL_H_ | |
| 6 #define PDF_PROGRESS_CONTROL_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 #include <vector> | |
| 10 | |
| 11 #include "pdf/control.h" | |
| 12 #include "pdf/fading_control.h" | |
| 13 #include "ppapi/cpp/image_data.h" | |
| 14 | |
| 15 namespace chrome_pdf { | |
| 16 | |
| 17 class ProgressControl : public FadingControl { | |
| 18 public: | |
| 19 static const double kCompleted; | |
| 20 | |
| 21 enum ProgressEventIds { | |
| 22 EVENT_ID_PROGRESS_COMPLETED, | |
| 23 }; | |
| 24 | |
| 25 ProgressControl(); | |
| 26 virtual ~ProgressControl(); | |
| 27 virtual bool CreateProgressControl(uint32 id, | |
| 28 bool visible, | |
| 29 Control::Owner* delegate, | |
| 30 double progress, | |
| 31 float device_scale, | |
| 32 const std::vector<pp::ImageData>& images, | |
| 33 const pp::ImageData& background, | |
| 34 const std::string& text); | |
| 35 void Reconfigure(const pp::ImageData& background, | |
| 36 const std::vector<pp::ImageData>& images, | |
| 37 float device_scale); | |
| 38 | |
| 39 static void CalculateLayout(pp::Instance* instance, | |
| 40 const std::vector<pp::ImageData>& images, | |
| 41 const pp::ImageData& background, | |
| 42 const std::string& text, | |
| 43 float device_scale, | |
| 44 pp::Size* ctrl_size, | |
| 45 pp::Rect* image_rc, | |
| 46 pp::Rect* text_rc); | |
| 47 | |
| 48 // Control interface. | |
| 49 virtual void Paint(pp::ImageData* image_data, const pp::Rect& rc); | |
| 50 | |
| 51 // ProgressControl interface | |
| 52 // Set progress indicator in percents from 0% to 100%. | |
| 53 virtual void SetProgress(double progress); | |
| 54 | |
| 55 private: | |
| 56 void PrepareBackground(); | |
| 57 void AdjustBackground(); | |
| 58 size_t GetImageIngex() const; | |
| 59 | |
| 60 double progress_; | |
| 61 float device_scale_; | |
| 62 std::vector<pp::ImageData> images_; | |
| 63 pp::ImageData background_; | |
| 64 pp::ImageData ctrl_background_; | |
| 65 std::string text_; | |
| 66 pp::Rect image_rc_; | |
| 67 pp::Rect text_rc_; | |
| 68 }; | |
| 69 | |
| 70 } // namespace chrome_pdf | |
| 71 | |
| 72 #endif // PDF_PROGRESS_CONTROL_H_ | |
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