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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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