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_ 73
