1 /*
2  * Copyright (C) 2014 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_WEAR_UI_H
18 #define RECOVERY_WEAR_UI_H
19 
20 #include "screen_ui.h"
21 
22 #include <string>
23 
24 class WearRecoveryUI : public ScreenRecoveryUI {
25   public:
26     WearRecoveryUI();
27 
28     bool Init(const std::string& locale) override;
29 
30     void SetStage(int current, int max) override;
31 
32     // printing messages
33     void Print(const char* fmt, ...) override;
34     void PrintOnScreenOnly(const char* fmt, ...) override __printflike(2, 3);
35     void ShowFile(const char* filename) override;
36     void ShowFile(FILE* fp) override;
37 
38     // menu display
39     void StartMenu(const char* const * headers, const char* const * items,
40                    int initial_selection) override;
41     int SelectMenu(int sel) override;
42 
43   protected:
44     // progress bar vertical position, it's centered horizontally
45     int progress_bar_y;
46 
47     // outer of window
48     int outer_height, outer_width;
49 
50     // Unusable rows when displaying the recovery menu, including the lines
51     // for headers (Android Recovery, build id and etc) and the bottom lines
52     // that may otherwise go out of the screen.
53     int menu_unusable_rows;
54 
55     int GetProgressBaseline() override;
56 
57     bool InitTextParams() override;
58 
59     void update_progress_locked() override;
60 
61     void PrintV(const char*, bool, va_list) override;
62 
63   private:
64     GRSurface* backgroundIcon[5];
65 
66     static const int kMaxCols = 96;
67     static const int kMaxRows = 96;
68 
69     // Number of text rows seen on screen
70     int visible_text_rows;
71 
72     const char* const* menu_headers_;
73     int menu_start, menu_end;
74 
75     pthread_t progress_t;
76 
77     void draw_background_locked() override;
78     void draw_screen_locked() override;
79     void draw_progress_locked();
80 
81     void PutChar(char);
82     void ClearText();
83 };
84 
85 #endif  // RECOVERY_WEAR_UI_H
86