PawletOS/android_bootable_recovery
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refactor ui functions into a class

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Move all the functions in ui.c to be members of a ScreenRecoveryUI
class, which is a subclass of an abstract RecoveryUI class.  Recovery
then creates a global singleton instance of this class and then invoke
the methods to drive the UI.  We use this to allow substitution of a
different RecoveryUI implementation for devices with radically
different form factors (eg, that don't have a screen).

Change-Id: I76bdd34eca506149f4cc07685df6a4890473f3d9
This commit is contained in:
Doug Zongker
2011-10-28 15:13:10 -07:00
parent 0890a0ce8e
commit 211aebc4e0
7 changed files with 434 additions and 322 deletions
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recovery.cpp
+51 -44
View File
@@ -39,6 +39,7 @@
#include "roots.h"
#include "recovery_ui.h"
#include "ui.h"
#include "screen_ui.h"
static const struct option OPTIONS[] = {
{ "send_intent", required_argument, NULL, 's' },
@@ -62,6 +63,8 @@ static const char *SIDELOAD_TEMP_DIR = "/tmp/sideload";
extern UIParameters ui_parameters; // from ui.c
RecoveryUI* ui = NULL;
/*
* The recovery tool communicates with the main system through /cache files.
* /cache/recovery/command - INPUT - command line for tool, one arg per line
@@ -291,9 +294,9 @@ finish_recovery(const char *send_intent) {
static int
erase_volume(const char *volume) {
ui_set_background(BACKGROUND_ICON_INSTALLING);
ui_show_indeterminate_progress();
ui_print("Formatting %s...\n", volume);
ui->SetBackground(RecoveryUI::INSTALLING);
ui->SetProgressType(RecoveryUI::INDETERMINATE);
ui->Print("Formatting %s...\n", volume);
ensure_path_unmounted(volume);
@@ -425,22 +428,22 @@ get_menu_selection(const char* const * headers, const char* const * items,
int menu_only, int initial_selection) {
// throw away keys pressed previously, so user doesn't
// accidentally trigger menu items.
ui_clear_key_queue();
ui->FlushKeys();
ui_start_menu(headers, items, initial_selection);
ui->StartMenu(headers, items, initial_selection);
int selected = initial_selection;
int chosen_item = -1;
while (chosen_item < 0) {
int key = ui_wait_key();
int visible = ui_text_visible();
int key = ui->WaitKey();
int visible = ui->IsTextVisible();
if (key == -1) { // ui_wait_key() timed out
if (ui_text_ever_visible()) {
if (ui->WasTextEverVisible()) {
continue;
} else {
LOGI("timed out waiting for key input; rebooting.\n");
ui_end_menu();
ui->EndMenu();
return ITEM_REBOOT;
}
}
@@ -451,11 +454,11 @@ get_menu_selection(const char* const * headers, const char* const * items,
switch (action) {
case HIGHLIGHT_UP:
--selected;
selected = ui_menu_select(selected);
selected = ui->SelectMenu(selected);
break;
case HIGHLIGHT_DOWN:
++selected;
selected = ui_menu_select(selected);
selected = ui->SelectMenu(selected);
break;
case SELECT_ITEM:
chosen_item = selected;
@@ -468,7 +471,7 @@ get_menu_selection(const char* const * headers, const char* const * items,
}
}
ui_end_menu();
ui->EndMenu();
return chosen_item;
}
@@ -577,7 +580,7 @@ update_directory(const char* path, const char* unmount_when_done,
strlcat(new_path, "/", PATH_MAX);
strlcat(new_path, item, PATH_MAX);
ui_print("\n-- Install %s ...\n", path);
ui->Print("\n-- Install %s ...\n", path);
set_sdcard_update_bootloader_message();
char* copy = copy_sideloaded_package(new_path);
if (unmount_when_done != NULL) {
@@ -636,11 +639,11 @@ wipe_data(int confirm) {
}
}
ui_print("\n-- Wiping data...\n");
ui->Print("\n-- Wiping data...\n");
device_wipe_data();
erase_volume("/data");
erase_volume("/cache");
ui_print("Data wipe complete.\n");
ui->Print("Data wipe complete.\n");
}
static void
@@ -649,7 +652,7 @@ prompt_and_wait() {
for (;;) {
finish_recovery(NULL);
ui_reset_progress();
ui->SetProgressType(RecoveryUI::EMPTY);
int chosen_item = get_menu_selection(headers, MENU_ITEMS, 0, 0);
@@ -665,35 +668,35 @@ prompt_and_wait() {
return;
case ITEM_WIPE_DATA:
wipe_data(ui_text_visible());
if (!ui_text_visible()) return;
wipe_data(ui->IsTextVisible());
if (!ui->IsTextVisible()) return;
break;
case ITEM_WIPE_CACHE:
ui_print("\n-- Wiping cache...\n");
ui->Print("\n-- Wiping cache...\n");
erase_volume("/cache");
ui_print("Cache wipe complete.\n");
if (!ui_text_visible()) return;
ui->Print("Cache wipe complete.\n");
if (!ui->IsTextVisible()) return;
break;
case ITEM_APPLY_SDCARD:
status = update_directory(SDCARD_ROOT, SDCARD_ROOT, &wipe_cache);
if (status == INSTALL_SUCCESS && wipe_cache) {
ui_print("\n-- Wiping cache (at package request)...\n");
ui->Print("\n-- Wiping cache (at package request)...\n");
if (erase_volume("/cache")) {
ui_print("Cache wipe failed.\n");
ui->Print("Cache wipe failed.\n");
} else {
ui_print("Cache wipe complete.\n");
ui->Print("Cache wipe complete.\n");
}
}
if (status >= 0) {
if (status != INSTALL_SUCCESS) {
ui_set_background(BACKGROUND_ICON_ERROR);
ui_print("Installation aborted.\n");
} else if (!ui_text_visible()) {
ui->SetBackground(RecoveryUI::ERROR);
ui->Print("Installation aborted.\n");
} else if (!ui->IsTextVisible()) {
return; // reboot if logs aren't visible
} else {
ui_print("\nInstall from sdcard complete.\n");
ui->Print("\nInstall from sdcard complete.\n");
}
}
break;
@@ -701,21 +704,21 @@ prompt_and_wait() {
// Don't unmount cache at the end of this.
status = update_directory(CACHE_ROOT, NULL, &wipe_cache);
if (status == INSTALL_SUCCESS && wipe_cache) {
ui_print("\n-- Wiping cache (at package request)...\n");
ui->Print("\n-- Wiping cache (at package request)...\n");
if (erase_volume("/cache")) {
ui_print("Cache wipe failed.\n");
ui->Print("Cache wipe failed.\n");
} else {
ui_print("Cache wipe complete.\n");
ui->Print("Cache wipe complete.\n");
}
}
if (status >= 0) {
if (status != INSTALL_SUCCESS) {
ui_set_background(BACKGROUND_ICON_ERROR);
ui_print("Installation aborted.\n");
} else if (!ui_text_visible()) {
ui->SetBackground(RecoveryUI::ERROR);
ui->Print("Installation aborted.\n");
} else if (!ui->IsTextVisible()) {
return; // reboot if logs aren't visible
} else {
ui_print("\nInstall from cache complete.\n");
ui->Print("\nInstall from cache complete.\n");
}
}
break;
@@ -738,9 +741,13 @@ main(int argc, char **argv) {
freopen(TEMPORARY_LOG_FILE, "a", stderr); setbuf(stderr, NULL);
printf("Starting recovery on %s", ctime(&start));
// TODO: device_* should be a C++ class; init should return the
// appropriate UI for the device.
device_ui_init(&ui_parameters);
ui_init();
ui_set_background(BACKGROUND_ICON_INSTALLING);
ui = new ScreenRecoveryUI();
ui->Init();
ui->SetBackground(RecoveryUI::INSTALLING);
load_volume_table();
get_args(&argc, &argv);
@@ -757,7 +764,7 @@ main(int argc, char **argv) {
case 'u': update_package = optarg; break;
case 'w': wipe_data = wipe_cache = 1; break;
case 'c': wipe_cache = 1; break;
case 't': ui_show_text(1); break;
case 't': ui->ShowText(true); break;
case '?':
LOGE("Invalid command argument\n");
continue;
@@ -800,27 +807,27 @@ main(int argc, char **argv) {
LOGE("Cache wipe (requested by package) failed.");
}
}
if (status != INSTALL_SUCCESS) ui_print("Installation aborted.\n");
if (status != INSTALL_SUCCESS) ui->Print("Installation aborted.\n");
} else if (wipe_data) {
if (device_wipe_data()) status = INSTALL_ERROR;
if (erase_volume("/data")) status = INSTALL_ERROR;
if (wipe_cache && erase_volume("/cache")) status = INSTALL_ERROR;
if (status != INSTALL_SUCCESS) ui_print("Data wipe failed.\n");
if (status != INSTALL_SUCCESS) ui->Print("Data wipe failed.\n");
} else if (wipe_cache) {
if (wipe_cache && erase_volume("/cache")) status = INSTALL_ERROR;
if (status != INSTALL_SUCCESS) ui_print("Cache wipe failed.\n");
if (status != INSTALL_SUCCESS) ui->Print("Cache wipe failed.\n");
} else {
status = INSTALL_ERROR; // No command specified
}
if (status != INSTALL_SUCCESS) ui_set_background(BACKGROUND_ICON_ERROR);
if (status != INSTALL_SUCCESS || ui_text_visible()) {
if (status != INSTALL_SUCCESS) ui->SetBackground(RecoveryUI::ERROR);
if (status != INSTALL_SUCCESS || ui->IsTextVisible()) {
prompt_and_wait();
}
// Otherwise, get ready to boot the main system...
finish_recovery(send_intent);
ui_print("Rebooting...\n");
ui->Print("Rebooting...\n");
android_reboot(ANDROID_RB_RESTART, 0, 0);
return EXIT_SUCCESS;
}