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1 /*
2  * Copyright (C) 2011 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef RECOVERY_SCREEN_UI_H
18 #define RECOVERY_SCREEN_UI_H
19 
20 #include <pthread.h>
21 
22 #include "ui.h"
23 #include "minui/minui.h"
24 
25 // Implementation of RecoveryUI appropriate for devices with a screen
26 // (shows an icon + a progress bar, text logging, menu, etc.)
27 class ScreenRecoveryUI : public RecoveryUI {
28   public:
29     ScreenRecoveryUI();
30 
31     void Init();
32     void SetLocale(const char* locale);
33 
34     // overall recovery state ("background image")
35     void SetBackground(Icon icon);
36 
37     // progress indicator
38     void SetProgressType(ProgressType type);
39     void ShowProgress(float portion, float seconds);
40     void SetProgress(float fraction);
41 
42     void SetStage(int current, int max);
43 
44     // text log
45     void ShowText(bool visible);
46     bool IsTextVisible();
47     bool WasTextEverVisible();
48 
49     // printing messages
50     void Print(const char* fmt, ...); // __attribute__((format(printf, 1, 2)));
51 
52     // menu display
53     void StartMenu(const char* const * headers, const char* const * items,
54                            int initial_selection);
55     int SelectMenu(int sel);
56     void EndMenu();
57 
58     void Redraw();
59 
60     enum UIElement { HEADER, MENU, MENU_SEL_BG, MENU_SEL_FG, LOG, TEXT_FILL };
61     virtual void SetColor(UIElement e);
62 
63   private:
64     Icon currentIcon;
65     int installingFrame;
66     bool rtl_locale;
67 
68     pthread_mutex_t updateMutex;
69     gr_surface backgroundIcon[5];
70     gr_surface backgroundText[5];
71     gr_surface *installationOverlay;
72     gr_surface *progressBarIndeterminate;
73     gr_surface progressBarEmpty;
74     gr_surface progressBarFill;
75     gr_surface stageMarkerEmpty;
76     gr_surface stageMarkerFill;
77 
78     ProgressType progressBarType;
79 
80     float progressScopeStart, progressScopeSize, progress;
81     double progressScopeTime, progressScopeDuration;
82 
83     // true when both graphics pages are the same (except for the
84     // progress bar)
85     bool pagesIdentical;
86 
87     static const int kMaxCols = 96;
88     static const int kMaxRows = 96;
89 
90     // Log text overlay, displayed when a magic key is pressed
91     char text[kMaxRows][kMaxCols];
92     int text_cols, text_rows;
93     int text_col, text_row, text_top;
94     bool show_text;
95     bool show_text_ever;   // has show_text ever been true?
96 
97     char menu[kMaxRows][kMaxCols];
98     bool show_menu;
99     int menu_top, menu_items, menu_sel;
100 
101     pthread_t progress_t;
102 
103     int animation_fps;
104     int indeterminate_frames;
105     int installing_frames;
106   protected:
107     int install_overlay_offset_x, install_overlay_offset_y;
108   private:
109     int overlay_offset_x, overlay_offset_y;
110 
111     int stage, max_stage;
112 
113     void draw_install_overlay_locked(int frame);
114     void draw_background_locked(Icon icon);
115     void draw_progress_locked();
116     void draw_screen_locked();
117     void update_screen_locked();
118     void update_progress_locked();
119     static void* progress_thread(void* cookie);
120     void progress_loop();
121 
122     void LoadBitmap(const char* filename, gr_surface* surface);
123     void LoadLocalizedBitmap(const char* filename, gr_surface* surface);
124 };
125 
126 #endif  // RECOVERY_UI_H
127