android/android_bootable_recovery
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android_bootable_recovery/ui.c
Doug Zongker 8a8e6cc33c (cherry-pick) EMMC support in applypatch 
Let applypatch read and write EMMC partitions as well as MTD ones.
This enables incremental updates that include boot image changes, as
well as OTA of new recovery partitions.

Change-Id: Ib1861219c7ca66dff29ad02d6a0a14e5f03eb4d8
2010-09-15 11:12:11 -07:00

516 lines
16 KiB
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/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <linux/input.h>
#include <pthread.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/reboot.h>
#include <sys/time.h>
#include <time.h>
#include <unistd.h>
#include "common.h"
#include "minui/minui.h"
#include "recovery_ui.h"
#define MAX_COLS 96
#define MAX_ROWS 32
#define CHAR_WIDTH 10
#define CHAR_HEIGHT 18
#define PROGRESSBAR_INDETERMINATE_STATES 6
#define PROGRESSBAR_INDETERMINATE_FPS 15
static pthread_mutex_t gUpdateMutex = PTHREAD_MUTEX_INITIALIZER;
static gr_surface gBackgroundIcon[NUM_BACKGROUND_ICONS];
static gr_surface gProgressBarIndeterminate[PROGRESSBAR_INDETERMINATE_STATES];
static gr_surface gProgressBarEmpty;
static gr_surface gProgressBarFill;
static const struct { gr_surface* surface; const char *name; } BITMAPS[] = {
{ &gBackgroundIcon[BACKGROUND_ICON_INSTALLING], "icon_installing" },
{ &gBackgroundIcon[BACKGROUND_ICON_ERROR], "icon_error" },
{ &gProgressBarIndeterminate[0], "indeterminate1" },
{ &gProgressBarIndeterminate[1], "indeterminate2" },
{ &gProgressBarIndeterminate[2], "indeterminate3" },
{ &gProgressBarIndeterminate[3], "indeterminate4" },
{ &gProgressBarIndeterminate[4], "indeterminate5" },
{ &gProgressBarIndeterminate[5], "indeterminate6" },
{ &gProgressBarEmpty, "progress_empty" },
{ &gProgressBarFill, "progress_fill" },
{ NULL, NULL },
};
static gr_surface gCurrentIcon = NULL;
static enum ProgressBarType {
PROGRESSBAR_TYPE_NONE,
PROGRESSBAR_TYPE_INDETERMINATE,
PROGRESSBAR_TYPE_NORMAL,
} gProgressBarType = PROGRESSBAR_TYPE_NONE;
// Progress bar scope of current operation
static float gProgressScopeStart = 0, gProgressScopeSize = 0, gProgress = 0;
static time_t gProgressScopeTime, gProgressScopeDuration;
// Set to 1 when both graphics pages are the same (except for the progress bar)
static int gPagesIdentical = 0;
// Log text overlay, displayed when a magic key is pressed
static char text[MAX_ROWS][MAX_COLS];
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;
static int key_queue[256], key_queue_len = 0;
static volatile char key_pressed[KEY_MAX + 1];
// Clear the screen and draw the currently selected background icon (if any).
// Should only be called with gUpdateMutex locked.
static void draw_background_locked(gr_surface icon)
{
gPagesIdentical = 0;
gr_color(0, 0, 0, 255);
gr_fill(0, 0, gr_fb_width(), gr_fb_height());
if (icon) {
int iconWidth = gr_get_width(icon);
int iconHeight = gr_get_height(icon);
int iconX = (gr_fb_width() - iconWidth) / 2;
int iconY = (gr_fb_height() - iconHeight) / 2;
gr_blit(icon, 0, 0, iconWidth, iconHeight, iconX, iconY);
}
}
// Draw the progress bar (if any) on the screen. Does not flip pages.
// Should only be called with gUpdateMutex locked.
static void draw_progress_locked()
{
if (gProgressBarType == PROGRESSBAR_TYPE_NONE) return;
int iconHeight = gr_get_height(gBackgroundIcon[BACKGROUND_ICON_INSTALLING]);
int width = gr_get_width(gProgressBarEmpty);
int height = gr_get_height(gProgressBarEmpty);
int dx = (gr_fb_width() - width)/2;
int dy = (3*gr_fb_height() + iconHeight - 2*height)/4;
// Erase behind the progress bar (in case this was a progress-only update)
gr_color(0, 0, 0, 255);
gr_fill(dx, dy, width, height);
if (gProgressBarType == PROGRESSBAR_TYPE_NORMAL) {
float progress = gProgressScopeStart + gProgress * gProgressScopeSize;
int pos = (int) (progress * width);
if (pos > 0) {
gr_blit(gProgressBarFill, 0, 0, pos, height, dx, dy);
}
if (pos < width-1) {
gr_blit(gProgressBarEmpty, pos, 0, width-pos, height, dx+pos, dy);
}
}
if (gProgressBarType == PROGRESSBAR_TYPE_INDETERMINATE) {
static int frame = 0;
gr_blit(gProgressBarIndeterminate[frame], 0, 0, width, height, dx, dy);
frame = (frame + 1) % PROGRESSBAR_INDETERMINATE_STATES;
}
}
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)
{
draw_background_locked(gCurrentIcon);
draw_progress_locked();
if (show_text) {
gr_color(0, 0, 0, 160);
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);
for (; i < text_rows; ++i) {
draw_text_line(i, text[(i+text_top) % text_rows]);
}
}
}
// Redraw everything on the screen and flip the screen (make it visible).
// Should only be called with gUpdateMutex locked.
static void update_screen_locked(void)
{
draw_screen_locked();
gr_flip();
}
// Updates only the progress bar, if possible, otherwise redraws the screen.
// Should only be called with gUpdateMutex locked.
static void update_progress_locked(void)
{
if (show_text || !gPagesIdentical) {
draw_screen_locked(); // Must redraw the whole screen
gPagesIdentical = 1;
} else {
draw_progress_locked(); // Draw only the progress bar
}
gr_flip();
}
// Keeps the progress bar updated, even when the process is otherwise busy.
static void *progress_thread(void *cookie)
{
for (;;) {
usleep(1000000 / PROGRESSBAR_INDETERMINATE_FPS);
pthread_mutex_lock(&gUpdateMutex);
// update the progress bar animation, if active
// skip this if we have a text overlay (too expensive to update)
if (gProgressBarType == PROGRESSBAR_TYPE_INDETERMINATE && !show_text) {
update_progress_locked();
}
// move the progress bar forward on timed intervals, if configured
int duration = gProgressScopeDuration;
if (gProgressBarType == PROGRESSBAR_TYPE_NORMAL && duration > 0) {
int elapsed = time(NULL) - gProgressScopeTime;
float progress = 1.0 * elapsed / duration;
if (progress > 1.0) progress = 1.0;
if (progress > gProgress) {
gProgress = progress;
update_progress_locked();
}
}
pthread_mutex_unlock(&gUpdateMutex);
}
return NULL;
}
// 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);
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);
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;
pthread_cond_signal(&key_queue_cond);
}
pthread_mutex_unlock(&key_queue_mutex);
if (ev.value > 0 && device_toggle_display(key_pressed, ev.code)) {
pthread_mutex_lock(&gUpdateMutex);
show_text = !show_text;
update_screen_locked();
pthread_mutex_unlock(&gUpdateMutex);
}
if (ev.value > 0 && device_reboot_now(key_pressed, ev.code)) {
reboot(RB_AUTOBOOT);
}
}
return NULL;
}
void ui_init(void)
{
gr_init();
ev_init();
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;
int i;
for (i = 0; BITMAPS[i].name != NULL; ++i) {
int result = res_create_surface(BITMAPS[i].name, BITMAPS[i].surface);
if (result < 0) {
if (result == -2) {
LOGI("Bitmap %s missing header\n", BITMAPS[i].name);
} else {
LOGE("Missing bitmap %s\n(Code %d)\n", BITMAPS[i].name, result);
}
*BITMAPS[i].surface = NULL;
}
}
pthread_t t;
pthread_create(&t, NULL, progress_thread, NULL);
pthread_create(&t, NULL, input_thread, NULL);
}
void ui_set_background(int icon)
{
pthread_mutex_lock(&gUpdateMutex);
gCurrentIcon = gBackgroundIcon[icon];
update_screen_locked();
pthread_mutex_unlock(&gUpdateMutex);
}
void ui_show_indeterminate_progress()
{
pthread_mutex_lock(&gUpdateMutex);
if (gProgressBarType != PROGRESSBAR_TYPE_INDETERMINATE) {
gProgressBarType = PROGRESSBAR_TYPE_INDETERMINATE;
update_progress_locked();
}
pthread_mutex_unlock(&gUpdateMutex);
}
void ui_show_progress(float portion, int seconds)
{
pthread_mutex_lock(&gUpdateMutex);
gProgressBarType = PROGRESSBAR_TYPE_NORMAL;
gProgressScopeStart += gProgressScopeSize;
gProgressScopeSize = portion;
gProgressScopeTime = time(NULL);
gProgressScopeDuration = seconds;
gProgress = 0;
update_progress_locked();
pthread_mutex_unlock(&gUpdateMutex);
}
void ui_set_progress(float fraction)
{
pthread_mutex_lock(&gUpdateMutex);
if (fraction < 0.0) fraction = 0.0;
if (fraction > 1.0) fraction = 1.0;
if (gProgressBarType == PROGRESSBAR_TYPE_NORMAL && fraction > gProgress) {
// Skip updates that aren't visibly different.
int width = gr_get_width(gProgressBarIndeterminate[0]);
float scale = width * gProgressScopeSize;
if ((int) (gProgress * scale) != (int) (fraction * scale)) {
gProgress = fraction;
update_progress_locked();
}
}
pthread_mutex_unlock(&gUpdateMutex);
}
void ui_reset_progress()
{
pthread_mutex_lock(&gUpdateMutex);
gProgressBarType = PROGRESSBAR_TYPE_NONE;
gProgressScopeStart = gProgressScopeSize = 0;
gProgressScopeTime = gProgressScopeDuration = 0;
gProgress = 0;
update_screen_locked();
pthread_mutex_unlock(&gUpdateMutex);
}
void ui_print(const char *fmt, ...)
{
char buf[256];
va_list ap;
va_start(ap, fmt);
vsnprintf(buf, 256, fmt, ap);
va_end(ap);
fputs(buf, stdout);
// This can get called before ui_init(), so be careful.
pthread_mutex_lock(&gUpdateMutex);
if (text_rows > 0 && text_cols > 0) {
char *ptr;
for (ptr = buf; *ptr != '\0'; ++ptr) {
if (*ptr == '\n' || text_col >= text_cols) {
text[text_row][text_col] = '\0';
text_col = 0;
text_row = (text_row + 1) % text_rows;
if (text_row == text_top) text_top = (text_top + 1) % text_rows;
}
if (*ptr != '\n') text[text_row][text_col++] = *ptr;
}
text[text_row][text_col] = '\0';
update_screen_locked();
}
pthread_mutex_unlock(&gUpdateMutex);
}
void ui_start_menu(char** headers, char** items, int initial_selection) {
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 = initial_selection;
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);
int visible = show_text;
pthread_mutex_unlock(&gUpdateMutex);
return visible;
}
void ui_show_text(int visible)
{
pthread_mutex_lock(&gUpdateMutex);
show_text = visible;
update_screen_locked();
pthread_mutex_unlock(&gUpdateMutex);
}
int ui_wait_key()
{
pthread_mutex_lock(&key_queue_mutex);
while (key_queue_len == 0) {
pthread_cond_wait(&key_queue_cond, &key_queue_mutex);
}
int key = key_queue[0];
memcpy(&key_queue[0], &key_queue[1], sizeof(int) * --key_queue_len);
pthread_mutex_unlock(&key_queue_mutex);
return key;
}
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);
}
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