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b7c91766da
android_bootable_recovery/ui.c
Doug Zongker be6d4d1052 change the default recovery assets to be in holograph style 
Also remove the weird backwards compatibility thing for animations
with fewer than 10 frames.  Frames are always named "name01.png",
"name02.png", ..., no matter how many there are.

Change-Id: I7af64fdec1bfcdb0464998b735ec8d6c626ffe9d
2011-03-02 10:38:02 -08:00

627 lines
20 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 <errno.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 UI_WAIT_KEY_TIMEOUT_SEC 120
UIParameters ui_parameters = {
6, // indeterminate progress bar frames
20, // fps
7, // installation icon frames (0 == static image)
23, 83, // installation icon overlay offset
};
static pthread_mutex_t gUpdateMutex = PTHREAD_MUTEX_INITIALIZER;
static gr_surface gBackgroundIcon[NUM_BACKGROUND_ICONS];
static gr_surface *gInstallationOverlay;
static gr_surface *gProgressBarIndeterminate;
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" },
{ &gProgressBarEmpty, "progress_empty" },
{ &gProgressBarFill, "progress_fill" },
{ NULL, NULL },
};
static int gCurrentIcon = 0;
static int gInstallingFrame = 0;
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 double 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 int show_text_ever = 0; // has show_text ever been 1?
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];
// Return the current time as a double (including fractions of a second).
static double now() {
struct timeval tv;
gettimeofday(&tv, NULL);
return tv.tv_sec + tv.tv_usec / 1000000.0;
}
// Draw the given frame over the installation overlay animation. The
// background is not cleared or draw with the base icon first; we
// assume that the frame already contains some other frame of the
// animation. Does nothing if no overlay animation is defined.
// Should only be called with gUpdateMutex locked.
static void draw_install_overlay_locked(int frame) {
if (gInstallationOverlay == NULL) return;
gr_surface surface = gInstallationOverlay[frame];
int iconWidth = gr_get_width(surface);
int iconHeight = gr_get_height(surface);
gr_blit(surface, 0, 0, iconWidth, iconHeight,
ui_parameters.install_overlay_offset_x,
ui_parameters.install_overlay_offset_y);
}
// Clear the screen and draw the currently selected background icon (if any).
// Should only be called with gUpdateMutex locked.
static void draw_background_locked(int icon)
{
gPagesIdentical = 0;
gr_color(0, 0, 0, 255);
gr_fill(0, 0, gr_fb_width(), gr_fb_height());
if (icon) {
gr_surface surface = gBackgroundIcon[icon];
int iconWidth = gr_get_width(surface);
int iconHeight = gr_get_height(surface);
int iconX = (gr_fb_width() - iconWidth) / 2;
int iconY = (gr_fb_height() - iconHeight) / 2;
gr_blit(surface, 0, 0, iconWidth, iconHeight, iconX, iconY);
if (icon == BACKGROUND_ICON_INSTALLING) {
draw_install_overlay_locked(gInstallingFrame);
}
}
}
// 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 (gCurrentIcon == BACKGROUND_ICON_INSTALLING) {
draw_install_overlay_locked(gInstallingFrame);
}
if (gProgressBarType != PROGRESSBAR_TYPE_NONE) {
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) % ui_parameters.indeterminate_frames;
}
}
}
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 and overlays
}
gr_flip();
}
// Keeps the progress bar updated, even when the process is otherwise busy.
static void *progress_thread(void *cookie)
{
double interval = 1.0 / ui_parameters.update_fps;
for (;;) {
double start = now();
pthread_mutex_lock(&gUpdateMutex);
int redraw = 0;
// update the installation animation, if active
// skip this if we have a text overlay (too expensive to update)
if (gCurrentIcon == BACKGROUND_ICON_INSTALLING &&
ui_parameters.installing_frames > 0 &&
!show_text) {
gInstallingFrame =
(gInstallingFrame + 1) % ui_parameters.installing_frames;
redraw = 1;
}
// 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) {
redraw = 1;
}
// move the progress bar forward on timed intervals, if configured
int duration = gProgressScopeDuration;
if (gProgressBarType == PROGRESSBAR_TYPE_NORMAL && duration > 0) {
double elapsed = now() - gProgressScopeTime;
float progress = 1.0 * elapsed / duration;
if (progress > 1.0) progress = 1.0;
if (progress > gProgress) {
gProgress = progress;
redraw = 1;
}
}
if (redraw) update_progress_locked();
pthread_mutex_unlock(&gUpdateMutex);
double end = now();
// minimum of 20ms delay between frames
double delay = interval - (end-start);
if (delay < 0.02) delay = 0.02;
usleep((long)(delay * 1000000));
}
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;
if (show_text) show_text_ever = 1;
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) {
LOGE("Missing bitmap %s\n(Code %d)\n", BITMAPS[i].name, result);
}
}
gProgressBarIndeterminate = malloc(ui_parameters.indeterminate_frames *
sizeof(gr_surface));
for (i = 0; i < ui_parameters.indeterminate_frames; ++i) {
char filename[40];
// "indeterminate01.png", "indeterminate02.png", ...
sprintf(filename, "indeterminate%02d", i+1);
int result = res_create_surface(filename, gProgressBarIndeterminate+i);
if (result < 0) {
LOGE("Missing bitmap %s\n(Code %d)\n", filename, result);
}
}
if (ui_parameters.installing_frames > 0) {
gInstallationOverlay = malloc(ui_parameters.installing_frames *
sizeof(gr_surface));
for (i = 0; i < ui_parameters.installing_frames; ++i) {
char filename[40];
// "icon_installing_overlay01.png",
// "icon_installing_overlay02.png", ...
sprintf(filename, "icon_installing_overlay%02d", i+1);
int result = res_create_surface(filename, gInstallationOverlay+i);
if (result < 0) {
LOGE("Missing bitmap %s\n(Code %d)\n", filename, result);
}
}
// Adjust the offset to account for the positioning of the
// base image on the screen.
if (gBackgroundIcon[BACKGROUND_ICON_INSTALLING] != NULL) {
gr_surface bg = gBackgroundIcon[BACKGROUND_ICON_INSTALLING];
ui_parameters.install_overlay_offset_x +=
(gr_fb_width() - gr_get_width(bg)) / 2;
ui_parameters.install_overlay_offset_y +=
(gr_fb_height() - gr_get_height(bg)) / 2;
}
} else {
gInstallationOverlay = 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 = 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 = now();
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;
}
int ui_text_ever_visible()
{
pthread_mutex_lock(&gUpdateMutex);
int ever_visible = show_text_ever;
pthread_mutex_unlock(&gUpdateMutex);
return ever_visible;
}
void ui_show_text(int visible)
{
pthread_mutex_lock(&gUpdateMutex);
show_text = visible;
if (show_text) show_text_ever = 1;
update_screen_locked();
pthread_mutex_unlock(&gUpdateMutex);
}
int ui_wait_key()
{
pthread_mutex_lock(&key_queue_mutex);
struct timeval now;
struct timespec timeout;
gettimeofday(&now, NULL);
timeout.tv_sec = now.tv_sec;
timeout.tv_nsec = now.tv_usec * 1000;
timeout.tv_sec += UI_WAIT_KEY_TIMEOUT_SEC;
int rc = 0;
while (key_queue_len == 0 && rc != ETIMEDOUT) {
rc = pthread_cond_timedwait(&key_queue_cond, &key_queue_mutex,
&timeout);
}
int key = -1;
if (key_queue_len > 0) {
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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