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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     const char* locale;
     67     bool rtl_locale;
     68 
     69     pthread_mutex_t updateMutex;
     70     gr_surface backgroundIcon[5];
     71     gr_surface backgroundText[5];
     72     gr_surface *installation;
     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 installing_frames;
    105   protected:
    106   private:
    107 
    108     int iconX, iconY;
    109 
    110     int stage, max_stage;
    111 
    112     void draw_background_locked(Icon icon);
    113     void draw_progress_locked();
    114     void draw_screen_locked();
    115     void update_screen_locked();
    116     void update_progress_locked();
    117     static void* progress_thread(void* cookie);
    118     void progress_loop();
    119 
    120     void LoadBitmap(const char* filename, gr_surface* surface);
    121     void LoadBitmapArray(const char* filename, int* frames, gr_surface** surface);
    122     void LoadLocalizedBitmap(const char* filename, gr_surface* surface);
    123 };
    124 
    125 #endif  // RECOVERY_UI_H
    126