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The Android Open Source Project 2009-02-10 15:43:56 -08:00
parent 928d471ef2
commit 8b7334b3c2
4 changed files with 253 additions and 47 deletions
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12
common.h
View file

@ -26,12 +26,24 @@ void ui_init();
int ui_wait_key(); // waits for a key/button press, returns the code
int ui_key_pressed(int key); // returns >0 if the code is currently pressed
int ui_text_visible(); // returns >0 if text log is currently visible
void ui_clear_key_queue();
// Write a message to the on-screen log shown with Alt-L (also to stderr).
// The screen is small, and users may need to report these messages to support,
// so keep the output short and not too cryptic.
void ui_print(const char *fmt, ...);
// Display some header text followed by a menu of items, which appears
// at the top of the screen (in place of any scrolling ui_print()
// output, if necessary).
void ui_start_menu(char** headers, char** items);
// Set the menu highlight to the given index, and return it (capped to
// the range [0..numitems).
int ui_menu_select(int sel);
// End menu mode, resetting the text overlay so that ui_print()
// statements will be displayed.
void ui_end_menu();
// Set the icon (normally the only thing visible besides the progress bar).
enum {
BACKGROUND_ICON_NONE,

49
minui/graphics.c
View file

@ -43,6 +43,7 @@ static GRFont *gr_font = 0;
static GGLContext *gr_context = 0;
static GGLSurface gr_font_texture;
static GGLSurface gr_framebuffer[2];
static GGLSurface gr_mem_surface;
static unsigned gr_active_fb = 0;
static int gr_fb_fd = -1;
@ -55,7 +56,7 @@ static int get_framebuffer(GGLSurface *fb)
int fd;
struct fb_fix_screeninfo fi;
void *bits;
fd = open("/dev/graphics/fb0", O_RDWR);
if (fd < 0) {
perror("cannot open fb0");
@ -87,9 +88,9 @@ static int get_framebuffer(GGLSurface *fb)
fb->stride = vi.xres;
fb->data = bits;
fb->format = GGL_PIXEL_FORMAT_RGB_565;
fb++;
fb->version = sizeof(*fb);
fb->width = vi.xres;
fb->height = vi.yres;
@ -100,6 +101,15 @@ static int get_framebuffer(GGLSurface *fb)
return fd;
}
static void get_memory_surface(GGLSurface* ms) {
ms->version = sizeof(*ms);
ms->width = vi.xres;
ms->height = vi.yres;
ms->stride = vi.xres;
ms->data = malloc(vi.xres * vi.yres * 2);
ms->format = GGL_PIXEL_FORMAT_RGB_565;
}
static void set_active_framebuffer(unsigned n)
{
if (n > 1) return;
@ -113,14 +123,16 @@ static void set_active_framebuffer(unsigned n)
void gr_flip(void)
{
GGLContext *gl = gr_context;
/* currently active buffer becomes the backbuffer */
gl->colorBuffer(gl, gr_framebuffer + gr_active_fb);
/* swap front and back buffers */
/* swap front and back buffers */
gr_active_fb = (gr_active_fb + 1) & 1;
/* inform the display driver */
/* copy data from the in-memory surface to the buffer we're about
* to make active. */
memcpy(gr_framebuffer[gr_active_fb].data, gr_mem_surface.data,
vi.xres * vi.yres * 2);
/* inform the display driver */
set_active_framebuffer(gr_active_fb);
}
@ -147,13 +159,13 @@ int gr_text(int x, int y, const char *s)
unsigned off;
y -= font->ascent;
gl->bindTexture(gl, &font->texture);
gl->texEnvi(gl, GGL_TEXTURE_ENV, GGL_TEXTURE_ENV_MODE, GGL_REPLACE);
gl->texGeni(gl, GGL_S, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
gl->texGeni(gl, GGL_T, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
gl->enable(gl, GGL_TEXTURE_2D);
while((off = *s++)) {
off -= 32;
if (off < 96) {
@ -209,10 +221,10 @@ static void gr_init_font(void)
unsigned char *in, data;
gr_font = calloc(sizeof(*gr_font), 1);
ftex = &gr_font->texture;
ftex = &gr_font->texture;
bits = malloc(font.width * font.height);
ftex->version = sizeof(*ftex);
ftex->width = font.width;
ftex->height = font.height;
@ -225,7 +237,7 @@ static void gr_init_font(void)
memset(bits, (data & 0x80) ? 255 : 0, data & 0x7f);
bits += (data & 0x7f);
}
gr_font->cwidth = font.cwidth;
gr_font->cheight = font.cheight;
gr_font->ascent = font.cheight - 2;
@ -254,13 +266,16 @@ int gr_init(void)
return -1;
}
get_memory_surface(&gr_mem_surface);
fprintf(stderr, "framebuffer: fd %d (%d x %d)\n",
gr_fb_fd, gr_framebuffer[0].width, gr_framebuffer[0].height);
/* start with 0 as front (displayed) and 1 as back (drawing) */
gr_active_fb = 0;
set_active_framebuffer(0);
gl->colorBuffer(gl, gr_framebuffer + 1);
gl->colorBuffer(gl, &gr_mem_surface);
gl->activeTexture(gl, 0);
gl->enable(gl, GGL_BLEND);
@ -273,7 +288,9 @@ void gr_exit(void)
{
close(gr_fb_fd);
gr_fb_fd = -1;
free(gr_mem_surface.data);
ioctl(gr_vt_fd, KDSETMODE, (void*) KD_TEXT);
close(gr_vt_fd);
gr_vt_fd = -1;
@ -291,5 +308,5 @@ int gr_fb_height(void)
gr_pixel *gr_fb_data(void)
{
return (unsigned short *) gr_framebuffer[1 - gr_active_fb].data;
return (unsigned short *) gr_mem_surface.data;
}

99
recovery.c
View file

@ -291,17 +291,32 @@ erase_root(const char *root)
static void
prompt_and_wait()
{
ui_print("\n"
"Home+Back - reboot system now\n"
"Alt+L - toggle log text display\n"
"Alt+S - apply sdcard:update.zip\n"
"Alt+W - wipe data/factory reset\n");
char* headers[] = { "Android system recovery utility",
"",
"Use trackball to highlight;",
"click to select.",
"",
NULL };
// these constants correspond to elements of the items[] list.
#define ITEM_REBOOT 0
#define ITEM_APPLY_SDCARD 1
#define ITEM_WIPE_DATA 2
char* items[] = { "reboot system now [Home+Back]",
"apply sdcard:update.zip [Alt+S]",
"wipe data/factory reset [Alt+W]",
NULL };
ui_start_menu(headers, items);
int selected = 0;
int chosen_item = -1;
finish_recovery(NULL);
ui_reset_progress();
for (;;) {
finish_recovery(NULL);
ui_reset_progress();
int key = ui_wait_key();
int alt = ui_key_pressed(KEY_LEFTALT) || ui_key_pressed(KEY_RIGHTALT);
int visible = ui_text_visible();
if (key == KEY_DREAM_BACK && ui_key_pressed(KEY_DREAM_HOME)) {
// Wait for the keys to be released, to avoid triggering
@ -310,23 +325,64 @@ prompt_and_wait()
ui_key_pressed(KEY_DREAM_HOME)) {
usleep(1000);
}
break;
chosen_item = ITEM_REBOOT;
} else if (alt && key == KEY_W) {
ui_print("\n");
erase_root("DATA:");
erase_root("CACHE:");
ui_print("Data wipe complete.\n");
if (!ui_text_visible()) break;
chosen_item = ITEM_WIPE_DATA;
} else if (alt && key == KEY_S) {
ui_print("\nInstalling from sdcard...\n");
int status = install_package(SDCARD_PACKAGE_FILE);
if (status != INSTALL_SUCCESS) {
ui_set_background(BACKGROUND_ICON_ERROR);
ui_print("Installation aborted.\n");
} else if (!ui_text_visible()) {
break; // reboot if logs aren't visible
chosen_item = ITEM_APPLY_SDCARD;
} else if ((key == KEY_DOWN || key == KEY_VOLUMEDOWN) && visible) {
++selected;
selected = ui_menu_select(selected);
} else if ((key == KEY_UP || key == KEY_VOLUMEUP) && visible) {
--selected;
selected = ui_menu_select(selected);
} else if (key == BTN_MOUSE && visible) {
chosen_item = selected;
}
if (chosen_item >= 0) {
// turn off the menu, letting ui_print() to scroll output
// on the screen.
ui_end_menu();
switch (chosen_item) {
case ITEM_REBOOT:
return;
case ITEM_WIPE_DATA:
ui_print("\n-- Wiping data...\n");
erase_root("DATA:");
erase_root("CACHE:");
ui_print("Data wipe complete.\n");
if (!ui_text_visible()) return;
break;
case ITEM_APPLY_SDCARD:
ui_print("\n-- Install from sdcard...\n");
int status = install_package(SDCARD_PACKAGE_FILE);
if (status != INSTALL_SUCCESS) {
ui_set_background(BACKGROUND_ICON_ERROR);
ui_print("Installation aborted.\n");
} else if (!ui_text_visible()) {
return; // reboot if logs aren't visible
} else {
ui_print("Install from sdcard complete.\n");
}
break;
}
ui_print("\nPress Home+Back to reboot\n");
// if we didn't return from this function to reboot, show
// the menu again.
ui_start_menu(headers, 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();
}
}
}
@ -348,7 +404,6 @@ main(int argc, char **argv)
fprintf(stderr, "Starting recovery on %s", ctime(&start));
ui_init();
ui_print("Android system recovery utility\n");
get_args(&argc, &argv);
int previous_runs = 0;

140
ui.c
View file

@ -89,6 +89,10 @@ static int text_cols = 0, text_rows = 0;
static int text_col = 0, text_row = 0, text_top = 0;
static int show_text = 0;
static char menu[MAX_ROWS][MAX_COLS];
static int show_menu = 0;
static int menu_top = 0, menu_items = 0, menu_sel = 0;
// Key event input queue
static pthread_mutex_t key_queue_mutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_cond_t key_queue_cond = PTHREAD_COND_INITIALIZER;
@ -154,6 +158,12 @@ static void draw_progress_locked()
}
}
static void draw_text_line(int row, const char* t) {
if (t[0] != '\0') {
gr_text(0, (row+1)*CHAR_HEIGHT-1, t);
}
}
// Redraw everything on the screen. Does not flip pages.
// Should only be called with gUpdateMutex locked.
static void draw_screen_locked(void)
@ -163,13 +173,32 @@ static void draw_screen_locked(void)
if (show_text) {
gr_color(0, 0, 0, 160);
gr_fill(0, 0, gr_fb_width(), text_rows * CHAR_HEIGHT);
gr_fill(0, 0, gr_fb_width(), gr_fb_height());
int i = 0;
if (show_menu) {
gr_color(64, 96, 255, 255);
gr_fill(0, (menu_top+menu_sel) * CHAR_HEIGHT,
gr_fb_width(), (menu_top+menu_sel+1)*CHAR_HEIGHT+1);
for (; i < menu_top + menu_items; ++i) {
if (i == menu_top + menu_sel) {
gr_color(255, 255, 255, 255);
draw_text_line(i, menu[i]);
gr_color(64, 96, 255, 255);
} else {
draw_text_line(i, menu[i]);
}
}
gr_fill(0, i*CHAR_HEIGHT+CHAR_HEIGHT/2-1,
gr_fb_width(), i*CHAR_HEIGHT+CHAR_HEIGHT/2+1);
++i;
}
gr_color(255, 255, 0, 255);
int i;
for (i = 0; i < text_rows; ++i) {
const char* line = text[(i + text_top) % text_rows];
if (line[0] != '\0') gr_text(0, (i + 1) * CHAR_HEIGHT - 1, line);
for (; i < text_rows; ++i) {
draw_text_line(i, text[(i+text_top) % text_rows]);
}
}
}
@ -228,13 +257,50 @@ static void *progress_thread(void *cookie)
// Reads input events, handles special hot keys, and adds to the key queue.
static void *input_thread(void *cookie)
{
int rel_sum = 0;
int fake_key = 0;
for (;;) {
// wait for the next key event
struct input_event ev;
do { ev_get(&ev, 0); } while (ev.type != EV_KEY || ev.code > KEY_MAX);
do {
ev_get(&ev, 0);
if (ev.type == EV_SYN) {
continue;
} else if (ev.type == EV_REL) {
if (ev.code == REL_Y) {
// accumulate the up or down motion reported by
// the trackball. When it exceeds a threshold
// (positive or negative), fake an up/down
// key event.
rel_sum += ev.value;
if (rel_sum > 3) {
fake_key = 1;
ev.type = EV_KEY;
ev.code = KEY_DOWN;
ev.value = 1;
rel_sum = 0;
} else if (rel_sum < -3) {
fake_key = 1;
ev.type = EV_KEY;
ev.code = KEY_UP;
ev.value = 1;
rel_sum = 0;
}
}
} else {
rel_sum = 0;
}
} while (ev.type != EV_KEY || ev.code > KEY_MAX);
pthread_mutex_lock(&key_queue_mutex);
key_pressed[ev.code] = ev.value;
if (!fake_key) {
// our "fake" keys only report a key-down event (no
// key-up), so don't record them in the key_pressed
// table.
key_pressed[ev.code] = ev.value;
}
fake_key = 0;
const int queue_max = sizeof(key_queue) / sizeof(key_queue[0]);
if (ev.value > 0 && key_queue_len < queue_max) {
key_queue[key_queue_len++] = ev.code;
@ -242,9 +308,10 @@ static void *input_thread(void *cookie)
}
pthread_mutex_unlock(&key_queue_mutex);
// Alt+L: toggle log display
// Alt+L or Home+End: toggle log display
int alt = key_pressed[KEY_LEFTALT] || key_pressed[KEY_RIGHTALT];
if (alt && ev.code == KEY_L && ev.value > 0) {
if ((alt && ev.code == KEY_L && ev.value > 0) ||
(key_pressed[KEY_HOME] && ev.code == KEY_END && ev.value > 0)) {
pthread_mutex_lock(&gUpdateMutex);
show_text = !show_text;
update_screen_locked();
@ -269,6 +336,7 @@ void ui_init(void)
text_col = text_row = 0;
text_rows = gr_fb_height() / CHAR_HEIGHT;
if (text_rows > MAX_ROWS) text_rows = MAX_ROWS;
text_top = 1;
text_cols = gr_fb_width() / CHAR_WIDTH;
if (text_cols > MAX_COLS - 1) text_cols = MAX_COLS - 1;
@ -392,6 +460,54 @@ void ui_print(const char *fmt, ...)
pthread_mutex_unlock(&gUpdateMutex);
}
void ui_start_menu(char** headers, char** items) {
int i;
pthread_mutex_lock(&gUpdateMutex);
if (text_rows > 0 && text_cols > 0) {
for (i = 0; i < text_rows; ++i) {
if (headers[i] == NULL) break;
strncpy(menu[i], headers[i], text_cols-1);
menu[i][text_cols-1] = '\0';
}
menu_top = i;
for (; i < text_rows; ++i) {
if (items[i-menu_top] == NULL) break;
strncpy(menu[i], items[i-menu_top], text_cols-1);
menu[i][text_cols-1] = '\0';
}
menu_items = i - menu_top;
show_menu = 1;
menu_sel = 0;
update_screen_locked();
}
pthread_mutex_unlock(&gUpdateMutex);
}
int ui_menu_select(int sel) {
int old_sel;
pthread_mutex_lock(&gUpdateMutex);
if (show_menu > 0) {
old_sel = menu_sel;
menu_sel = sel;
if (menu_sel < 0) menu_sel = 0;
if (menu_sel >= menu_items) menu_sel = menu_items-1;
sel = menu_sel;
if (menu_sel != old_sel) update_screen_locked();
}
pthread_mutex_unlock(&gUpdateMutex);
return sel;
}
void ui_end_menu() {
int i;
pthread_mutex_lock(&gUpdateMutex);
if (show_menu > 0 && text_rows > 0 && text_cols > 0) {
show_menu = 0;
update_screen_locked();
}
pthread_mutex_unlock(&gUpdateMutex);
}
int ui_text_visible()
{
pthread_mutex_lock(&gUpdateMutex);
@ -418,3 +534,9 @@ int ui_key_pressed(int key)
// This is a volatile static array, don't bother locking
return key_pressed[key];
}
void ui_clear_key_queue() {
pthread_mutex_lock(&key_queue_mutex);
key_queue_len = 0;
pthread_mutex_unlock(&key_queue_mutex);
}