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authorThe Android Open Source Project <initial-contribution@android.com>2009-03-04 03:28:14 +0100
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-04 03:28:14 +0100
commitffb48f64fec674c6dd923eb8b1eb3f743e05a8ba (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /ui.c
parentauto import from //depot/cupcake/@132589 (diff)
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Diffstat (limited to '')
-rw-r--r--ui.c542
1 files changed, 0 insertions, 542 deletions
diff --git a/ui.c b/ui.c
deleted file mode 100644
index 5d06561c5..000000000
--- a/ui.c
+++ /dev/null
@@ -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);
-}