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Diffstat (limited to '')
| -rw-r--r-- | ui.c | 542 |
1 files changed, 0 insertions, 542 deletions
@@ -1,542 +0,0 @@ -/* - * 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" - -#define MAX_COLS 64 -#define MAX_ROWS 32 - -#define CHAR_WIDTH 10 -#define CHAR_HEIGHT 18 - -#define PROGRESSBAR_INDETERMINATE_STATES 6 -#define PROGRESSBAR_INDETERMINATE_FPS 15 - -enum { LEFT_SIDE, CENTER_TILE, RIGHT_SIDE, NUM_SIDES }; - -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[NUM_SIDES]; -static gr_surface gProgressBarFill[NUM_SIDES]; - -static const struct { gr_surface* surface; const char *name; } BITMAPS[] = { - { &gBackgroundIcon[BACKGROUND_ICON_UNPACKING], "icon_unpacking" }, - { &gBackgroundIcon[BACKGROUND_ICON_INSTALLING], "icon_installing" }, - { &gBackgroundIcon[BACKGROUND_ICON_ERROR], "icon_error" }, - { &gBackgroundIcon[BACKGROUND_ICON_FIRMWARE_INSTALLING], - "icon_firmware_install" }, - { &gBackgroundIcon[BACKGROUND_ICON_FIRMWARE_ERROR], - "icon_firmware_error" }, - { &gProgressBarIndeterminate[0], "indeterminate1" }, - { &gProgressBarIndeterminate[1], "indeterminate2" }, - { &gProgressBarIndeterminate[2], "indeterminate3" }, - { &gProgressBarIndeterminate[3], "indeterminate4" }, - { &gProgressBarIndeterminate[4], "indeterminate5" }, - { &gProgressBarIndeterminate[5], "indeterminate6" }, - { &gProgressBarEmpty[LEFT_SIDE], "progress_bar_empty_left_round" }, - { &gProgressBarEmpty[CENTER_TILE], "progress_bar_empty" }, - { &gProgressBarEmpty[RIGHT_SIDE], "progress_bar_empty_right_round" }, - { &gProgressBarFill[LEFT_SIDE], "progress_bar_left_round" }, - { &gProgressBarFill[CENTER_TILE], "progress_bar_fill" }, - { &gProgressBarFill[RIGHT_SIDE], "progress_bar_right_round" }, - { 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(gProgressBarIndeterminate[0]); - int height = gr_get_height(gProgressBarIndeterminate[0]); - - 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); - - gr_surface s = (pos ? gProgressBarFill : gProgressBarEmpty)[LEFT_SIDE]; - gr_blit(s, 0, 0, gr_get_width(s), gr_get_height(s), dx, dy); - - int x = gr_get_width(s); - while (x + (int) gr_get_width(gProgressBarEmpty[RIGHT_SIDE]) < width) { - s = (pos > x ? gProgressBarFill : gProgressBarEmpty)[CENTER_TILE]; - gr_blit(s, 0, 0, gr_get_width(s), gr_get_height(s), dx + x, dy); - x += gr_get_width(s); - } - - s = (pos > x ? gProgressBarFill : gProgressBarEmpty)[RIGHT_SIDE]; - gr_blit(s, 0, 0, gr_get_width(s), gr_get_height(s), dx + x, 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); - - // 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) || - (key_pressed[KEY_HOME] && ev.code == KEY_END && ev.value > 0)) { - pthread_mutex_lock(&gUpdateMutex); - show_text = !show_text; - update_screen_locked(); - pthread_mutex_unlock(&gUpdateMutex); - } - - // Green+Menu+Red: reboot immediately - if (ev.code == KEY_DREAM_RED && - key_pressed[KEY_DREAM_MENU] && - key_pressed[KEY_DREAM_GREEN]) { - 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); - *BITMAPS[i].surface = NULL; - } - } - - pthread_t t; - pthread_create(&t, NULL, progress_thread, NULL); - pthread_create(&t, NULL, input_thread, NULL); -} - -char *ui_copy_image(int icon, int *width, int *height, int *bpp) { - pthread_mutex_lock(&gUpdateMutex); - draw_background_locked(gBackgroundIcon[icon]); - *width = gr_fb_width(); - *height = gr_fb_height(); - *bpp = sizeof(gr_pixel) * 8; - int size = *width * *height * sizeof(gr_pixel); - char *ret = malloc(size); - if (ret == NULL) { - LOGE("Can't allocate %d bytes for image\n", size); - } else { - memcpy(ret, gr_fb_data(), size); - } - pthread_mutex_unlock(&gUpdateMutex); - return ret; -} - -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, stderr); - - // 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 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); - int visible = show_text; - pthread_mutex_unlock(&gUpdateMutex); - return visible; -} - -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); -} |