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am f93d8166: confirm before wiping user data in recovery

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Merge commit 'f93d8166ef4c06f6ad71293ffa8a4ce469df4fa5' into eclair-plus-aosp

* commit 'f93d8166ef4c06f6ad71293ffa8a4ce469df4fa5':
  confirm before wiping user data in recovery
This commit is contained in:
Doug Zongker 2009-09-22 18:28:19 -07:00 committed by Android Git Automerger
commit 8f8bc4cb48
1 changed files with 104 additions and 66 deletions
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108
recovery.c
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@ -279,34 +279,40 @@ erase_root(const char *root)
return format_root_device(root);
}
static void
prompt_and_wait()
{
static char**
prepend_title(char** headers) {
char* title[] = { "Android system recovery <"
EXPAND(RECOVERY_API_VERSION) "e>",
"",
NULL };
// count the number of lines in our title, plus the
// product-provided headers.
// caller-provided headers.
int count = 0;
char** p;
for (p = title; *p; ++p, ++count);
for (p = MENU_HEADERS; *p; ++p, ++count);
for (p = headers; *p; ++p, ++count);
char** headers = malloc((count+1) * sizeof(char*));
char** h = headers;
char** new_headers = malloc((count+1) * sizeof(char*));
char** h = new_headers;
for (p = title; *p; ++p, ++h) *h = *p;
for (p = MENU_HEADERS; *p; ++p, ++h) *h = *p;
for (p = headers; *p; ++p, ++h) *h = *p;
*h = NULL;
ui_start_menu(headers, MENU_ITEMS);
return new_headers;
}
static int
get_menu_selection(char** headers, char** items, int menu_only) {
// throw away keys pressed previously, so user doesn't
// accidentally trigger menu items.
ui_clear_key_queue();
ui_start_menu(headers, items);
int selected = 0;
int chosen_item = -1;
finish_recovery(NULL);
ui_reset_progress();
for (;;) {
while (chosen_item < 0) {
int key = ui_wait_key();
int visible = ui_text_visible();
@ -328,14 +334,64 @@ prompt_and_wait()
case NO_ACTION:
break;
}
} else {
} else if (!menu_only) {
chosen_item = action;
}
}
if (chosen_item >= 0) {
// turn off the menu, letting ui_print() to scroll output
// on the screen.
ui_end_menu();
return chosen_item;
}
static void
wipe_data(int confirm) {
if (confirm) {
static char** title_headers = NULL;
if (title_headers == NULL) {
char* headers[] = { "Confirm wipe of all user data?",
" THIS CAN NOT BE UNDONE.",
"",
NULL };
title_headers = prepend_title(headers);
}
char* items[] = { " No",
" No",
" No",
" No",
" No",
" No",
" No",
" Yes -- delete all user data", // [7]
" No",
" No",
" No",
NULL };
int chosen_item = get_menu_selection(title_headers, items, 1);
if (chosen_item != 7) {
return;
}
}
ui_print("\n-- Wiping data...\n");
device_wipe_data();
erase_root("DATA:");
erase_root("CACHE:");
ui_print("Data wipe complete.\n");
}
static void
prompt_and_wait()
{
char** headers = prepend_title(MENU_HEADERS);
for (;;) {
finish_recovery(NULL);
ui_reset_progress();
int chosen_item = get_menu_selection(headers, MENU_ITEMS, 0);
// device-specific code may take some action here. It may
// return one of the core actions handled in the switch
@ -347,11 +403,7 @@ prompt_and_wait()
return;
case ITEM_WIPE_DATA:
ui_print("\n-- Wiping data...\n");
device_wipe_data();
erase_root("DATA:");
erase_root("CACHE:");
ui_print("Data wipe complete.\n");
wipe_data(ui_text_visible());
if (!ui_text_visible()) return;
break;
@ -381,20 +433,6 @@ prompt_and_wait()
}
break;
}
// if we didn't return from this function to reboot, show
// the menu again.
ui_start_menu(headers, MENU_ITEMS);
selected = 0;
chosen_item = -1;
finish_recovery(NULL);
ui_reset_progress();
// throw away keys pressed while the command was running,
// so user doesn't accidentally trigger menu items.
ui_clear_key_queue();
}
}
}