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      1 /*
      2  * Copyright (C) 2009 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 #include <unistd.h>
     18 #include <linux/input.h>
     19 
     20 #include "recovery_ui.h"
     21 #include "common.h"
     22 
     23 char* MENU_HEADERS[] = { "Use trackball to highlight;",
     24                          "click to select.",
     25                          "",
     26                          NULL };
     27 
     28 char* MENU_ITEMS[] = { "reboot system now [Home+Back]",
     29                        "apply sdcard:update.zip [Alt+S]",
     30                        "wipe data/factory reset [Alt+W]",
     31                        "wipe cache partition",
     32                        NULL };
     33 
     34 void recover_firmware_update_log();
     35 
     36 int device_recovery_start() {
     37     recover_firmware_update_log();
     38     return 0;
     39 }
     40 
     41 int device_toggle_display(volatile char* key_pressed, int key_code) {
     42     // home+end, or alt+L (either alt key)
     43     return (key_pressed[KEY_HOME] && key_code == KEY_END) ||
     44             ((key_pressed[KEY_LEFTALT] || key_pressed[KEY_RIGHTALT]) &&
     45              key_code == KEY_L);
     46 }
     47 
     48 int device_reboot_now(volatile char* key_pressed, int key_code) {
     49     return key_pressed[KEY_MENU] &&   // menu
     50            key_pressed[KEY_SEND] &&   // green
     51            key_code == KEY_END;       // red
     52 }
     53 
     54 int device_handle_key(int key, int visible) {
     55     int alt = ui_key_pressed(KEY_LEFTALT) || ui_key_pressed(KEY_RIGHTALT);
     56 
     57     if (key == KEY_BACK && ui_key_pressed(KEY_HOME)) {
     58         // Wait for the keys to be released, to avoid triggering
     59         // special boot modes (like coming back into recovery!).
     60         while (ui_key_pressed(KEY_BACK) ||
     61                ui_key_pressed(KEY_HOME)) {
     62             usleep(1000);
     63         }
     64         return ITEM_REBOOT;
     65     } else if (alt && key == KEY_W) {
     66         return ITEM_WIPE_DATA;
     67     } else if (alt && key == KEY_S) {
     68         return ITEM_APPLY_SDCARD;
     69     } else if (visible) {
     70         switch (key) {
     71             case KEY_DOWN:
     72             case KEY_VOLUMEDOWN:
     73                 return HIGHLIGHT_DOWN;
     74 
     75             case KEY_UP:
     76             case KEY_VOLUMEUP:
     77                 return HIGHLIGHT_UP;
     78 
     79             case BTN_MOUSE:
     80             case KEY_ENTER:
     81                 return SELECT_ITEM;
     82         }
     83     }
     84 
     85     return NO_ACTION;
     86 }
     87 
     88 int device_perform_action(int which) {
     89     return which;
     90 }
     91 
     92 int device_wipe_data() {
     93     return 0;
     94 }
     95