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Forked from xiaolu/events.c
Created October 6, 2013 17:29
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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 <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <dirent.h>
#include <sys/poll.h>
#include <linux/input.h>
#include "minui.h"
#include "cutils/log.h"
#define MAX_DEVICES 16
#define MAX_MISC_FDS 16
#define BITS_PER_LONG (sizeof(unsigned long) * 8)
#define BITS_TO_LONGS(x) (((x) + BITS_PER_LONG - 1) / BITS_PER_LONG)
#define test_bit(bit, array) \
((array)[(bit)/BITS_PER_LONG] & (1 << ((bit) % BITS_PER_LONG)))
struct fd_info {
ev_callback cb;
void *data;
};
static struct pollfd ev_fds[MAX_DEVICES + MAX_MISC_FDS];
static struct fd_info ev_fdinfo[MAX_DEVICES + MAX_MISC_FDS];
static unsigned ev_count = 0;
static unsigned ev_dev_count = 0;
static unsigned ev_misc_count = 0;
#define VIBRATOR_TIMEOUT_FILE "/sys/class/timed_output/vibrator/enable"
#define VIBRATOR_TIME_MS 50
int vibrate(int timeout_ms) {
char str[20];
int fd;
int ret;
fd = open(VIBRATOR_TIMEOUT_FILE, O_WRONLY);
if(fd < 0)
return -1;
ret = snprintf(str, sizeof(str), "%d", timeout_ms);
ret = write(fd, str, ret);
close(fd);
if (ret < 0)
return -1;
return 0;
}
int ev_init(ev_callback input_cb, void *data)
{
DIR *dir;
struct dirent *de;
int fd;
dir = opendir("/dev/input");
if(dir != 0) {
while((de = readdir(dir))) {
unsigned long ev_bits[BITS_TO_LONGS(EV_MAX)];
// fprintf(stderr,"/dev/input/%s\n", de->d_name);
if(strncmp(de->d_name,"event",5)) continue;
fd = openat(dirfd(dir), de->d_name, O_RDONLY);
if(fd < 0) continue;
/* read the evbits of the input device */
if (ioctl(fd, EVIOCGBIT(0, sizeof(ev_bits)), ev_bits) < 0) {
close(fd);
continue;
}
/* TODO: add ability to specify event masks. For now, just assume
* that only EV_KEY and EV_REL event types are ever needed. */
if (!test_bit(EV_KEY, ev_bits) && !test_bit(EV_REL, ev_bits) && !test_bit(EV_ABS, ev_bits)) {
close(fd);
continue;
}
ev_fds[ev_count].fd = fd;
ev_fds[ev_count].events = POLLIN;
ev_fdinfo[ev_count].cb = input_cb;
ev_fdinfo[ev_count].data = data;
ev_count++;
ev_dev_count++;
if(ev_dev_count == MAX_DEVICES) break;
}
}
return 0;
}
int ev_add_fd(int fd, ev_callback cb, void *data)
{
if (ev_misc_count == MAX_MISC_FDS || cb == NULL)
return -1;
ev_fds[ev_count].fd = fd;
ev_fds[ev_count].events = POLLIN;
ev_fdinfo[ev_count].cb = cb;
ev_fdinfo[ev_count].data = data;
ev_count++;
ev_misc_count++;
return 0;
}
void ev_exit(void)
{
while (ev_count > 0) {
close(ev_fds[--ev_count].fd);
}
ev_misc_count = 0;
ev_dev_count = 0;
}
int ev_wait(int timeout)
{
int r;
r = poll(ev_fds, ev_count, timeout);
if (r <= 0)
return -1;
return 0;
}
void ev_dispatch(void)
{
unsigned n;
int ret;
for (n = 0; n < ev_count; n++) {
ev_callback cb = ev_fdinfo[n].cb;
if (cb && (ev_fds[n].revents & ev_fds[n].events))
cb(ev_fds[n].fd, ev_fds[n].revents, ev_fdinfo[n].data);
}
}
int ev_get_input(int fd, short revents, struct input_event *ev)
{
int r;
if (revents & POLLIN) {
r = read(fd, ev, sizeof(*ev));
if (r == sizeof(*ev))
return 0;
}
return -1;
}
int ev_sync_key_state(ev_set_key_callback set_key_cb, void *data)
{
unsigned long key_bits[BITS_TO_LONGS(KEY_MAX)];
unsigned long ev_bits[BITS_TO_LONGS(EV_MAX)];
unsigned i;
int ret;
for (i = 0; i < ev_dev_count; i++) {
int code;
memset(key_bits, 0, sizeof(key_bits));
memset(ev_bits, 0, sizeof(ev_bits));
ret = ioctl(ev_fds[i].fd, EVIOCGBIT(0, sizeof(ev_bits)), ev_bits);
if (ret < 0 || !test_bit(EV_KEY, ev_bits))
continue;
ret = ioctl(ev_fds[i].fd, EVIOCGKEY(sizeof(key_bits)), key_bits);
if (ret < 0)
continue;
for (code = 0; code <= KEY_MAX; code++) {
if (test_bit(code, key_bits))
set_key_cb(code, 1, data);
}
}
return 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 <errno.h>
#include <fcntl.h>
#include <linux/input.h>
#include <pthread.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <time.h>
#include <unistd.h>
#include "common.h"
#include <cutils/android_reboot.h>
#include <cutils/properties.h>
#include "minui/minui.h"
#include "recovery_ui.h"
extern int __system(const char *command);
#if defined(BOARD_HAS_NO_SELECT_BUTTON) || defined(BOARD_TOUCH_RECOVERY)
static int gShowBackButton = 1;
#else
static int gShowBackButton = 0;
#endif
#define MAX_COLS 96
#define MAX_ROWS 50
#define MENU_MAX_COLS 64
#define MENU_MAX_ROWS 250
#define MIN_LOG_ROWS 3
#define CHAR_WIDTH BOARD_RECOVERY_CHAR_WIDTH
#define CHAR_HEIGHT (BOARD_RECOVERY_CHAR_HEIGHT+10)
#define UI_WAIT_KEY_TIMEOUT_SEC 3600
#define UI_KEY_REPEAT_INTERVAL 80
#define UI_KEY_WAIT_REPEAT 400
UIParameters ui_parameters = {
6, // indeterminate progress bar frames
20, // fps
7, // installation icon frames (0 == static image)
13, 190, // 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 gr_surface gBackground;
static gr_surface gVirtualKeys; // surface for our virtual key buttons
static int ui_has_initialized = 0;
static int ui_log_stdout = 1;
static int boardEnableKeyRepeat = 0;
static int boardRepeatableKeys[64], boardNumRepeatableKeys = 0;
static const struct { gr_surface* surface; const char *name; } BITMAPS[] = {
{ &gBackgroundIcon[BACKGROUND_ICON_INSTALLING], "icon_installing" },
{ &gBackgroundIcon[BACKGROUND_ICON_ERROR], "icon_error" },
{ &gBackgroundIcon[BACKGROUND_ICON_CLOCKWORK], "icon_clockwork" },
{ &gBackgroundIcon[BACKGROUND_ICON_FIRMWARE_INSTALLING], "icon_firmware_install" },
{ &gBackgroundIcon[BACKGROUND_ICON_FIRMWARE_ERROR], "icon_firmware_error" },
{ &gProgressBarEmpty, "progress_empty" },
{ &gProgressBarFill, "progress_fill" },
{ &gBackground, "stitch" },
{ &gVirtualKeys, "virtual_keys" },
{ 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[MENU_MAX_ROWS][MENU_MAX_COLS];
static int show_menu = 0;
static int menu_top = 0, menu_items = 0, menu_sel = 0;
static int menu_show_start = 0; // this is line which menu display is starting at
static int max_menu_rows;
// 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 unsigned long key_last_repeat[KEY_MAX + 1], key_press_time[KEY_MAX + 1];
static volatile char key_pressed[KEY_MAX + 1];
static void update_screen_locked(void);
// 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());
{
int bw = gr_get_width(gBackground);
int bh = gr_get_height(gBackground);
int bx = 0;
int by = 0;
for (by = 0; by < gr_fb_height(); by += bh) {
for (bx = 0; bx < gr_fb_width(); bx += bw) {
gr_blit(gBackground, 0, 0, bw, bh, bx, by);
}
}
}
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;
}
}
}
// Draw the virtual keys on the screen. Does not flip pages.
// Should only be called with gUpdateMutex locked.
static void draw_virtualkeys_locked()
{
gr_surface surface = gVirtualKeys;
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);
gr_blit(surface, 0, 0, iconWidth, iconHeight, iconX, iconY);
}
#define LEFT_ALIGN 0
#define CENTER_ALIGN 1
#define RIGHT_ALIGN 2
static void draw_text_line(int row, const char* t, int align) {
int col = 0;
if (t[0] != '\0') {
int length = strnlen(t, MENU_MAX_COLS) * CHAR_WIDTH;
switch(align)
{
case LEFT_ALIGN:
col = 1;
break;
case CENTER_ALIGN:
col = ((gr_fb_width() - length) / 2);
break;
case RIGHT_ALIGN:
col = gr_fb_width() - length - 1;
break;
}
//gr_text(col, (row+1)*CHAR_HEIGHT-1, t);
gr_text(col, (row+1)*CHAR_HEIGHT-(CHAR_HEIGHT-BOARD_RECOVERY_CHAR_HEIGHT)/2-1, t);
}
}
//#define MENU_TEXT_COLOR 66, 157, 208, 255
//#define NORMAL_TEXT_COLOR 34, 117, 175, 255
#define MENU_TEXT_COLOR 0, 191, 255, 255
#define NORMAL_TEXT_COLOR 200, 200, 200, 255
#define HEADER_TEXT_COLOR NORMAL_TEXT_COLOR
// Redraw everything on the screen. Does not flip pages.
// Should only be called with gUpdateMutex locked.
static void draw_screen_locked(void)
{
if (!ui_has_initialized) return;
draw_background_locked(gCurrentIcon);
draw_progress_locked();
if (show_text) {
// don't "disable" the background anymore with this...
// gr_color(0, 0, 0, 160);
// gr_fill(0, 0, gr_fb_width(), gr_fb_height());
gr_surface surface = gVirtualKeys;
int total_rows = (gr_fb_height() / CHAR_HEIGHT) - (gr_get_height(surface) / CHAR_HEIGHT);
int i = 0;
int j = 0;
int row = 0; // current row that we are drawing on
if (show_menu) {
gr_color(MENU_TEXT_COLOR);
int batt_level = 0;
batt_level = get_batt_stats();
if (batt_level < 21) {
gr_color(255, 0, 0, 255);
}
/*
struct tm *current;
time_t now;
now = time(NULL); // add 2 hours
current = localtime(&now);
*/
char batt_text[40];
//sprintf(batt_text, "[%d%% %02D:%02D]", batt_level, current->tm_hour, current->tm_min);
//if (now == NULL) { // just in case
sprintf(batt_text, "[%d%%]", batt_level);
//}
gr_color(MENU_TEXT_COLOR);
draw_text_line(0, batt_text, RIGHT_ALIGN);
gr_fill(0, (menu_top + menu_sel - menu_show_start) * CHAR_HEIGHT,
gr_fb_width(), (menu_top + menu_sel - menu_show_start + 1)*CHAR_HEIGHT+1);
gr_color(HEADER_TEXT_COLOR);
for (i = 0; i < menu_top; ++i) {
draw_text_line(i, menu[i], LEFT_ALIGN);
row++;
}
if (menu_items - menu_show_start + menu_top >= max_menu_rows)
j = max_menu_rows - menu_top;
else
j = menu_items - menu_show_start;
gr_color(MENU_TEXT_COLOR);
for (i = menu_show_start + menu_top; i < (menu_show_start + menu_top + j); ++i) {
if (i == menu_top + menu_sel) {
gr_color(255, 255, 255, 255);
draw_text_line(i - menu_show_start , menu[i], LEFT_ALIGN);
gr_color(MENU_TEXT_COLOR);
} else {
gr_color(MENU_TEXT_COLOR);
draw_text_line(i - menu_show_start, menu[i], LEFT_ALIGN);
}
row++;
if (row >= max_menu_rows)
break;
}
gr_fill(0, row*CHAR_HEIGHT+CHAR_HEIGHT/2-1,
gr_fb_width(), row*CHAR_HEIGHT+CHAR_HEIGHT/2+1);
}
gr_color(NORMAL_TEXT_COLOR);
int cur_row = text_row;
int available_rows = total_rows - row - 1;
int start_row = row + 1;
if (available_rows < MAX_ROWS)
cur_row = (cur_row + (MAX_ROWS - available_rows)) % MAX_ROWS;
else
start_row = total_rows - MAX_ROWS;
int r;
for (r = 0; r < (available_rows < MAX_ROWS ? available_rows : MAX_ROWS); r++) {
draw_text_line(start_row + r, text[(cur_row + r) % MAX_ROWS], LEFT_ALIGN);
}
}
draw_virtualkeys_locked(); //added to draw the virtual keys
}
// 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)
{
if (!ui_has_initialized) return;
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 (!ui_has_initialized) return;
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;
}
//kanged this vibrate stuff from teamwin (thanks guys!)
#define VIBRATOR_TIME_MS 20
static int rel_sum = 0;
static int in_touch = 0; //1 = in a touch
static int slide_right = 0;
static int slide_left = 0;
static int touch_x = 0;
static int touch_y = 0;
static int old_x = 0;
static int old_y = 0;
static int diff_x = 0;
static int diff_y = 0;
static void reset_gestures() {
diff_x = 0;
diff_y = 0;
old_x = 0;
old_y = 0;
touch_x = 0;
touch_y = 0;
}
static int input_callback(int fd, short revents, void *data)
{
struct input_event ev;
int ret;
int fake_key = 0;
gr_surface surface = gVirtualKeys;
ret = ev_get_input(fd, revents, &ev);
if (ret)
return -1;
if (ev.type == EV_SYN) {
return 0;
} 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;
}
int abs[6] = {0};
int k;
ioctl(fd, EVIOCGABS(ABS_MT_POSITION_X), abs);
/*for (k = 0; k < 6; k++)
if ((k < 3) || abs[k])
printf(" %s %6d\n", absval[k], abs[k]);*/
int max_x_touch = abs[2];
ioctl(fd, EVIOCGABS(ABS_MT_POSITION_Y), abs);
/*for (k = 0; k < 6; k++)
if ((k < 6) || abs[k])
printf(" %s %6d\n", absval[k], abs[k]);*/
int max_y_touch = abs[2];
//printf("x and y bounds: %i x %i\n", max_x_touch, max_y_touch);
//start touch code
//printf("ev.type: %x, ev.code: %x, ev.value: %i\n", ev.type, ev.code, ev.value);
if(ev.type == EV_ABS && ev.code == ABS_MT_TRACKING_ID) {
if(in_touch == 0) {
in_touch = 1; //starting to track touch...
reset_gestures();
} else {
//finger lifted! lets run with this
ev.type = EV_KEY; //touch panel support!!!
int keywidth = gr_get_width(surface) / 4;
int keyoffset = (gr_fb_width() - gr_get_width(surface)) / 2;
if (touch_y > (gr_fb_height() - gr_get_height(surface)) && touch_x > 0) {
//they lifted in the touch panel region
if (touch_x < (keywidth + keyoffset)) {
//down button
//ui_print("Pressed down key");
ev.code = KEY_VOLUMEDOWN;
reset_gestures();
} else if (touch_x < ((keywidth * 2) + keyoffset)) {
//up button
//ui_print("Pressed up key");
ev.code = KEY_VOLUMEUP;
reset_gestures();
} else if (touch_x < ((keywidth * 3) + keyoffset)) {
//back button
//ui_print("Pressed back key");
ev.code = KEY_BACK;
reset_gestures();
} else {
//enter key
//ui_print("Pressed enter key");
ev.code = KEY_POWER;
reset_gestures();
}
vibrate(VIBRATOR_TIME_MS);
}
if (slide_right == 1) {
ev.code = KEY_POWER;
slide_right = 0;
} else if (slide_left == 1) {
ev.code = KEY_BACK;
slide_left = 0;
}
ev.value = 1;
in_touch = 0;
reset_gestures();
}
} else if(ev.type == EV_ABS && ev.code == ABS_MT_POSITION_X) {
old_x = touch_x;
float touch_x_rel = (float)ev.value / (float)max_x_touch;
//printf("rel: %f\n", touch_x_rel);
touch_x = touch_x_rel * gr_fb_width();
//printf("Touch X is: %i\n", touch_x);
if(old_x != 0) diff_x += touch_x - old_x;
//printf("X diff is: %i\n", diff_x);
if(touch_y < (gr_fb_height() - gr_get_height(surface))) {
if(diff_x > (gr_fb_width() / 4)) {
slide_right = 1;
reset_gestures();
} else if(diff_x < ((gr_fb_width() / 4) * -1)) {
slide_left = 1;
reset_gestures();
}
} else {
input_buttons();
//reset_gestures();
}
} else if(ev.type == EV_ABS && ev.code == ABS_MT_POSITION_Y) {
old_y = touch_y;
float touch_y_rel = (float)ev.value / (float)max_y_touch;
//printf("rel: %f\n", touch_y_rel);
touch_y = touch_y_rel * gr_fb_height();
//printf("Touch Y is: %i\n", touch_y);
//printf("Old Y is: %i\n", old_y);
if(old_y != 0) diff_y += touch_y - old_y;
//printf("Diff is: %i\n", diff_y);
if(touch_y < (gr_fb_height() - gr_get_height(surface))) {
if (diff_y > 60) {
ev.code = KEY_VOLUMEDOWN;
ev.type = EV_KEY;
reset_gestures();
} else if (diff_y < -60) {
ev.code = KEY_VOLUMEUP;
ev.type = EV_KEY;
reset_gestures();
}
} else {
input_buttons();
//reset_gestures();
}
}
if (ev.type != EV_KEY || ev.code > KEY_MAX)
return 0;
if (ev.value == 2) {
boardEnableKeyRepeat = 0;
}
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;
}
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;
if (boardEnableKeyRepeat) {
struct timeval now;
gettimeofday(&now, NULL);
key_press_time[ev.code] = (now.tv_sec * 1000) + (now.tv_usec / 1000);
key_last_repeat[ev.code] = 0;
}
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)) {
android_reboot(ANDROID_RB_RESTART, 0, 0);
}
return 0;
}
// Reads input events, handles special hot keys, and adds to the key queue.
static void *input_thread(void *cookie)
{
for (;;) {
if (!ev_wait(-1))
ev_dispatch();
}
return NULL;
}
void ui_init(void)
{
ui_has_initialized = 1;
gr_init();
ev_init(input_callback, NULL);
gr_surface surface = gVirtualKeys;
text_col = text_row = 0;
text_rows = gr_fb_height() / CHAR_HEIGHT;
max_menu_rows = text_rows - MIN_LOG_ROWS;
if (max_menu_rows > MENU_MAX_ROWS)
max_menu_rows = MENU_MAX_ROWS;
if (text_rows > MAX_ROWS) text_rows = MAX_ROWS;
text_rows = text_rows - (gr_get_height(surface) / CHAR_HEIGHT) - 1;
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;
}
char enable_key_repeat[PROPERTY_VALUE_MAX];
property_get("ro.cwm.enable_key_repeat", enable_key_repeat, "");
if (!strcmp(enable_key_repeat, "true") || !strcmp(enable_key_repeat, "1")) {
boardEnableKeyRepeat = 1;
char key_list[PROPERTY_VALUE_MAX];
property_get("ro.cwm.repeatable_keys", key_list, "");
if (strlen(key_list) == 0) {
boardRepeatableKeys[boardNumRepeatableKeys++] = KEY_UP;
boardRepeatableKeys[boardNumRepeatableKeys++] = KEY_DOWN;
boardRepeatableKeys[boardNumRepeatableKeys++] = KEY_VOLUMEUP;
boardRepeatableKeys[boardNumRepeatableKeys++] = KEY_VOLUMEDOWN;
} else {
char *pch = strtok(key_list, ",");
while (pch != NULL) {
boardRepeatableKeys[boardNumRepeatableKeys++] = atoi(pch);
pch = strtok(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(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 = 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);
}
static long delta_milliseconds(struct timeval from, struct timeval to) {
long delta_sec = (to.tv_sec - from.tv_sec)*1000;
long delta_usec = (to.tv_usec - from.tv_usec)/1000;
return (delta_sec + delta_usec);
}
static struct timeval lastupdate = (struct timeval) {0};
static int ui_nice = 0;
static int ui_niced = 0;
void ui_set_nice(int enabled) {
ui_nice = enabled;
}
#define NICE_INTERVAL 100
int ui_was_niced() {
return ui_niced;
}
int ui_get_text_cols() {
return text_cols;
}
void ui_print(const char *fmt, ...)
{
char buf[256];
va_list ap;
va_start(ap, fmt);
vsnprintf(buf, 256, fmt, ap);
va_end(ap);
if (ui_log_stdout)
fputs(buf, stdout);
// if we are running 'ui nice' mode, we do not want to force a screen update
// for this line if not necessary.
ui_niced = 0;
if (ui_nice) {
struct timeval curtime;
gettimeofday(&curtime, NULL);
long ms = delta_milliseconds(lastupdate, curtime);
if (ms < NICE_INTERVAL && ms >= 0) {
ui_niced = 1;
return;
}
}
// This can get called before ui_init(), so be careful.
pthread_mutex_lock(&gUpdateMutex);
gettimeofday(&lastupdate, NULL);
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_printlogtail(int nb_lines) {
char * log_data;
char tmp[PATH_MAX];
FILE * f;
int line=0;
//don't log output to recovery.log
ui_log_stdout=0;
sprintf(tmp, "tail -n %d /tmp/recovery.log > /tmp/tail.log", nb_lines);
__system(tmp);
f = fopen("/tmp/tail.log", "rb");
if (f != NULL) {
while (line < nb_lines) {
log_data = fgets(tmp, PATH_MAX, f);
if (log_data == NULL) break;
ui_print("%s", tmp);
line++;
}
fclose(f);
}
ui_log_stdout=1;
}
#define MENU_ITEM_HEADER " > "
#define MENU_ITEM_HEADER_LENGTH strlen(MENU_ITEM_HEADER)
int 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';
//strncpy(menu[i], headers[i], MAX_COLS-1);
//menu[i][MAX_COLS-1] = '\0';
}
menu_top = i;
for (; i < MENU_MAX_ROWS; ++i) {
if (items[i-menu_top] == NULL) break;
strcpy(menu[i], MENU_ITEM_HEADER);
strncpy(menu[i] + MENU_ITEM_HEADER_LENGTH, items[i-menu_top], MENU_MAX_COLS - 1 - MENU_ITEM_HEADER_LENGTH);
menu[i][MENU_MAX_COLS-1] = '\0';
}
if (gShowBackButton && !ui_root_menu) {
strcpy(menu[i], " < Go Back");
++i;
}
menu_items = i - menu_top;
show_menu = 1;
menu_sel = menu_show_start = initial_selection;
update_screen_locked();
}
pthread_mutex_unlock(&gUpdateMutex);
if (gShowBackButton && !ui_root_menu) {
return menu_items - 1;
}
return menu_items;
}
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 = menu_items + menu_sel;
if (menu_sel >= menu_items) menu_sel = menu_sel - menu_items;
if (menu_sel < menu_show_start && menu_show_start > 0) {
menu_show_start = menu_sel;
}
if (menu_sel - menu_show_start + menu_top >= max_menu_rows) {
menu_show_start = menu_sel + menu_top - max_menu_rows + 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);
}
// Return true if USB is connected.
static int usb_connected() {
int fd = open("/sys/class/android_usb/android0/state", O_RDONLY);
if (fd < 0) {
printf("failed to open /sys/class/android_usb/android0/state: %s\n",
strerror(errno));
return 0;
}
char buf;
/* USB is connected if android_usb state is CONNECTED or CONFIGURED */
int connected = (read(fd, &buf, 1) == 1) && (buf == 'C');
if (close(fd) < 0) {
printf("failed to close /sys/class/android_usb/android0/state: %s\n",
strerror(errno));
}
return connected;
}
void ui_cancel_wait_key() {
pthread_mutex_lock(&key_queue_mutex);
key_queue[key_queue_len] = -2;
key_queue_len++;
pthread_cond_signal(&key_queue_cond);
pthread_mutex_unlock(&key_queue_mutex);
}
int ui_wait_key()
{
if (boardEnableKeyRepeat) return ui_wait_key_with_repeat();
pthread_mutex_lock(&key_queue_mutex);
// Time out after UI_WAIT_KEY_TIMEOUT_SEC, unless a USB cable is
// plugged in.
do {
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);
}
} while (usb_connected() && key_queue_len == 0);
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;
}
// util for ui_wait_key_with_repeat
int key_can_repeat(int key)
{
int k = 0;
for (;k < boardNumRepeatableKeys; ++k) {
if (boardRepeatableKeys[k] == key) {
break;
}
}
if (k < boardNumRepeatableKeys) return 1;
return 0;
}
int ui_wait_key_with_repeat()
{
int key = -1;
// Loop to wait for more keys.
do {
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;
pthread_mutex_lock(&key_queue_mutex);
while (key_queue_len == 0 && rc != ETIMEDOUT) {
rc = pthread_cond_timedwait(&key_queue_cond, &key_queue_mutex,
&timeout);
}
pthread_mutex_unlock(&key_queue_mutex);
if (rc == ETIMEDOUT && !usb_connected()) {
return -1;
}
// Loop to wait wait for more keys, or repeated keys to be ready.
while (1) {
unsigned long now_msec;
gettimeofday(&now, NULL);
now_msec = (now.tv_sec * 1000) + (now.tv_usec / 1000);
pthread_mutex_lock(&key_queue_mutex);
// Replacement for the while conditional, so we don't have to lock the entire
// loop, because that prevents the input system from touching the variables while
// the loop is running which causes problems.
if (key_queue_len == 0) {
pthread_mutex_unlock(&key_queue_mutex);
break;
}
key = key_queue[0];
memcpy(&key_queue[0], &key_queue[1], sizeof(int) * --key_queue_len);
// sanity check the returned key.
if (key < 0) {
pthread_mutex_unlock(&key_queue_mutex);
return key;
}
// Check for already released keys and drop them if they've repeated.
if (!key_pressed[key] && key_last_repeat[key] > 0) {
pthread_mutex_unlock(&key_queue_mutex);
continue;
}
if (key_can_repeat(key)) {
// Re-add the key if a repeat is expected, since we just popped it. The
// if below will determine when the key is actually repeated (returned)
// in the mean time, the key will be passed through the queue over and
// over and re-evaluated each time.
if (key_pressed[key]) {
key_queue[key_queue_len] = key;
key_queue_len++;
}
if ((now_msec > key_press_time[key] + UI_KEY_WAIT_REPEAT && now_msec > key_last_repeat[key] + UI_KEY_REPEAT_INTERVAL) ||
key_last_repeat[key] == 0) {
key_last_repeat[key] = now_msec;
} else {
// Not ready
pthread_mutex_unlock(&key_queue_mutex);
continue;
}
}
pthread_mutex_unlock(&key_queue_mutex);
return key;
}
} while (1);
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);
}
void ui_set_log_stdout(int enabled) {
ui_log_stdout = enabled;
}
int ui_should_log_stdout()
{
return ui_log_stdout;
}
void ui_set_show_text(int value) {
show_text = value;
}
void ui_set_showing_back_button(int showBackButton) {
gShowBackButton = showBackButton;
}
int ui_get_showing_back_button() {
return gShowBackButton;
}
int ui_is_showing_back_button() {
return gShowBackButton && !ui_root_menu;
}
int ui_get_selected_item() {
return menu_sel;
}
int ui_handle_key(int key, int visible) {
return device_handle_key(key, visible);
}
void ui_delete_line() {
pthread_mutex_lock(&gUpdateMutex);
text[text_row][0] = '\0';
text_row = (text_row - 1 + text_rows) % text_rows;
text_col = 0;
pthread_mutex_unlock(&gUpdateMutex);
}
void ui_increment_frame() {
gInstallingFrame =
(gInstallingFrame + 1) % ui_parameters.installing_frames;
}
int input_buttons()
{
int final_code = 0;
int start_draw = 0;
int end_draw = 0;
gr_surface surface = gVirtualKeys;
int keywidth = gr_get_width(surface) / 4;
int keyoffset = (gr_fb_width() - gr_get_width(surface)) / 2;
if (touch_x < (keywidth + keyoffset + 1)) {
//down button
final_code = KEY_VOLUMEDOWN;
start_draw = keyoffset;
end_draw = keywidth + keyoffset;
} else if (touch_x < ((keywidth * 2) + keyoffset + 1)) {
//up button
final_code = KEY_VOLUMEUP;
start_draw = keywidth + keyoffset + 1;
end_draw = (keywidth * 2) + keyoffset;
} else if (touch_x < ((keywidth * 3) + keyoffset + 1)) {
//back button
final_code = KEY_BACK;
start_draw = (keywidth * 2) + keyoffset + 1;
end_draw = (keywidth * 3) + keyoffset;
} else if (touch_x < ((keywidth * 4) + keyoffset + 1)) {
//enter key
final_code = KEY_POWER;
start_draw = (keywidth * 3) + keyoffset + 1;
end_draw = (keywidth * 4) + keyoffset;
}
if (touch_y > (gr_fb_height() - gr_get_height(surface)) && touch_x > 0) {
pthread_mutex_lock(&gUpdateMutex);
gr_color(0, 0, 0, 255); // clear old touch points
gr_fill(0, gr_fb_height()-gr_get_height(surface)-2, start_draw-1, gr_fb_height()-gr_get_height(surface));
gr_fill(end_draw+1, gr_fb_height()-gr_get_height(surface)-2, gr_fb_width(), gr_fb_height()-gr_get_height(surface));
gr_color(MENU_TEXT_COLOR);
gr_fill(start_draw, gr_fb_height()-gr_get_height(surface)-2, end_draw, gr_fb_height()-gr_get_height(surface));
gr_flip();
pthread_mutex_unlock(&gUpdateMutex);
}
if (in_touch == 1) {
return final_code;
} else {
return 0;
}
}
int get_batt_stats(void)
{
static int level = -1;
char value[4];
FILE * capacity;
if ( capacity = fopen("/sys/class/power_supply/battery/capacity","r") ) {
fgets(value, 4, capacity);
fclose(capacity);
} else if ( capacity = fopen("/sys/devices/platform/android-battery/power_supply/android-battery/capacity","r") ) {
fgets(value, 4, capacity);
fclose(capacity);
}
level = atoi(value);
if (level > 100)
level = 100;
if (level < 0)
level = 0;
return level;
}
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