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ui_touch.c
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ui_touch.c
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/*
* Copyright (C) 2007 The Android Open Source Project
* Copyright (C) 2014 The CyanogenMod 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"
#include "voldclient/voldclient.h"
extern int __system(const char *command);
extern int volumes_changed();
#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 24
#define MENU_MAX_COLS 64
#define MENU_MAX_ROWS 250
#define MENU_ITEM_HEADER " > "
#define MENU_ITEM_HEADER_LENGTH strlen(MENU_ITEM_HEADER)
#define MIN_LOG_ROWS 3
#define CHAR_WIDTH BOARD_RECOVERY_CHAR_WIDTH
#define CHAR_HEIGHT BOARD_RECOVERY_CHAR_HEIGHT
// Delay in seconds to refresh clock and USB plugged volumes
#define REFRESH_TIME_USB_INTERVAL 5
#define UI_WAIT_KEY_TIMEOUT_SEC 3600
#define UI_KEY_REPEAT_INTERVAL 80
#define UI_KEY_WAIT_REPEAT 400
#define UI_MIN_PROG_DELTA_MS 200
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 int ui_has_initialized = 0;
static int ui_log_stdout = 1;
static int boardEnableKeyRepeat = 0;
static int boardRepeatableKeys[64];
static int 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_CID], "icon_cid" },
{ &gBackgroundIcon[BACKGROUND_ICON_FIRMWARE_INSTALLING], "icon_firmware_install" },
{ &gBackgroundIcon[BACKGROUND_ICON_FIRMWARE_ERROR], "icon_firmware_error" },
{ &gProgressBarEmpty, "progress_empty" },
{ &gProgressBarFill, "progress_fill" },
{ &gBackground, "stitch" },
{ NULL, NULL },
};
static int gCurrentIcon = 0;
static int gInstallingFrame = 0;
//semi touch code
typedef struct {
int x;
int y;
} point;
typedef struct {
int fd; // Initialize to -1
int touch_calibrated;
int slot_current;
int tracking_id;
int saw_pos_x; // Did this sequence have an ABS_MT_POSITION_X?
int saw_pos_y; // Did this sequence have an ABS_MT_POSITION_Y?
int saw_mt_report; // Did this sequence have an SYN_MT_REPORT?
int saw_mt_tracking_id;
int slide_right;
int slide_left;
point touch_min;
point touch_max;
point touch_pos; // Current touch coordinates
point touch_start; // Coordinates of touch start
point touch_track; // Last tracked coordinates
} input_device;
static int diff_x = 0;
static int diff_y = 0;
static int min_x_swipe_px = 100;
static int min_y_swipe_px = 80;
static int virtualkey_pressed = 0;
static int virtualkey_h = 0;
static int virtualkey_w = 0;
static int get_batt_stats(void) {
int level = -1;
int i = 0;
char value[4];
FILE * fd;
const char *BATT_FILES[] = {
#ifdef CUSTOM_BATT_FILE
CUSTOM_BATT_FILE,
#endif
"/sys/class/power_supply/battery/capacity",
"/sys/devices/platform/android-battery/power_supply/android-battery/capacity",
NULL
};
while (BATT_FILES[i]) {
if ((fd = fopen(BATT_FILES[i], "r"))) {
fgets(value, 4, fd);
fclose(fd);
level = atoi(value);
break;
}
i++;
}
if (level > 100)
level = 100;
if (level < 0)
level = 0;
return level;
}
static void set_min_swipe_lengths() {
char value[PROPERTY_VALUE_MAX];
property_get("ro.sf.lcd_density", value, "0");
int screen_density = atoi(value);
if(screen_density > 160) {
min_x_swipe_px = (int)(0.5 * screen_density); // Roughly 0.5in
min_y_swipe_px = (int)(0.5 * screen_density); // Roughly 0.5in
} else {
min_x_swipe_px = gr_fb_width()/4;
min_y_swipe_px = 3*BOARD_RECOVERY_CHAR_HEIGHT;
}
fprintf(stdout, "min_x_swipe_px=%d,min_y_swipe_px=%d\n", min_x_swipe_px, min_y_swipe_px);
}
static void reset_touch(input_device *dev) {
diff_x = 0;
diff_y = 0;
dev->touch_start.x = 0;
dev->touch_start.y = 0;
dev->touch_pos.x = 0;
dev->touch_pos.y = 0;
dev->slot_current = 0;
dev->slide_right = 0;
dev->slide_left = 0;
ui_clear_key_queue();
}
static int calibrate_touch(input_device *dev) {
struct input_absinfo info;
dev->tracking_id = -1;
dev->touch_start.x = 0;
dev->touch_start.y = 0;
dev->touch_pos.x = 0;
dev->touch_pos.y = 0;
dev->slot_current = 0;
dev->slide_right = 0;
dev->slide_left = 0;
dev->saw_pos_x = 0;
dev->saw_pos_y = 0;
dev->saw_mt_tracking_id = 0;
dev->saw_mt_report = 0;
memset(&info, 0, sizeof(info));
if (ioctl(dev->fd, EVIOCGABS(ABS_MT_POSITION_X), &info) == 0) {
dev->touch_min.x = info.minimum;
dev->touch_max.x = info.maximum;
}
memset(&info, 0, sizeof(info));
if (ioctl(dev->fd, EVIOCGABS(ABS_MT_POSITION_Y), &info) == 0) {
dev->touch_min.y = info.minimum;
dev->touch_max.y = info.maximum;
}
if (dev->touch_min.x == dev->touch_max.x
|| dev->touch_min.y == dev->touch_max.y)
return 0; // Probably not a touch device
LOGI("calibrate_touch: %d\n", dev->fd);
return 1; // Success
}
#ifdef USE_VIRTUAL_KEY
static gr_surface gVirtualKeys; // surface for our virtual key buttons
static void ui_get_virtualkey_size() {
if (virtualkey_h == 0) {
int result = res_create_surface("virtual_keys", &gVirtualKeys);
if (result == 0) {
gr_surface surface = gVirtualKeys;
virtualkey_h = gr_get_height(surface);
virtualkey_w = gr_get_width(surface);
LOGI("virtualkey size: %dx%d\n", virtualkey_w, virtualkey_h);
}
}
}
static int ui_get_virtualkey_pressed(input_device *dev) {
int key_code = 0;
if (gCurrentIcon == BACKGROUND_ICON_INSTALLING)
return key_code;
if (dev->touch_pos.y >= (gr_fb_height() - virtualkey_h) && dev->touch_pos.x > 0) {
int start_draw = 0;
int end_draw = 0;
int keywidth = virtualkey_w / 4;
int keyoffset = (gr_fb_width() - virtualkey_w) / 2;
if (dev->touch_pos.x < (keywidth + keyoffset + 1)) {
key_code = KEY_VOLUMEDOWN;
start_draw = keyoffset;
end_draw = keywidth + keyoffset;
} else if (dev->touch_pos.x < ((keywidth * 2) + keyoffset + 1)) {
key_code = KEY_VOLUMEUP;
start_draw = keywidth + keyoffset + 1;
end_draw = (keywidth * 2) + keyoffset;
} else if (dev->touch_pos.x < ((keywidth * 3) + keyoffset + 1)) {
key_code = KEY_BACK;
start_draw = (keywidth * 2) + keyoffset + 1;
end_draw = (keywidth * 3) + keyoffset;
} else if (dev->touch_pos.x < ((keywidth * 4) + keyoffset + 1)) {
key_code = KEY_ENTER;
start_draw = (keywidth * 3) + keyoffset + 1;
end_draw = (keywidth * 4) + keyoffset;
} else
return key_code;
pthread_mutex_lock(&gUpdateMutex);
gr_color(200, 200, 200, 255);
gr_fill(start_draw, gr_fb_height()-virtualkey_h+2, end_draw, gr_fb_height());
gr_flip();
pthread_mutex_unlock(&gUpdateMutex);
virtualkey_pressed = 1;
}
return key_code;
}
#endif
static struct timeval lastprogupd = (struct timeval) {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 = 0.0;
static float gProgressScopeSize = 0.0;
static float gProgress = 0.0;
static double gProgressScopeTime;
static double 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;
static int text_rows = 0;
static int text_col = 0;
static int text_row = 0;
static int text_top = 0;
static int show_text = 0;
static int show_text_ever = 0; // i.e. has show_text ever been 1?
static char menu[MENU_MAX_ROWS][MENU_MAX_COLS];
static int menuTextColor[4] = {MENU_TEXT_COLOR};
static int show_menu = 0;
static int menu_top = 0;
static int menu_items = 0;
static int menu_sel = 0;
static int menu_show_start = 0; // line at which menu display starts
static int max_menu_rows;
static unsigned cur_rainbow_color = 0;
static int gRainbowMode = 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 unsigned long key_last_repeat[KEY_MAX + 1];
static unsigned long key_press_time[KEY_MAX + 1];
static volatile char key_pressed[KEY_MAX + 1];
// Prototypes for static functions that are used before defined
static void update_screen_locked(void);
static int ui_wait_key_with_repeat();
static void ui_rainbow_mode();
// Current time
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;
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);
}
}
}
static void ui_increment_frame() {
if (!ui_has_initialized) return;
gInstallingFrame =
(gInstallingFrame + 1) % ui_parameters.installing_frames;
}
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);
}
// Draw the progress bar (if any) on the screen; does not flip pages
// Should only be called with gUpdateMutex locked and if ui_has_initialized is true
static void draw_progress_locked() {
if (gCurrentIcon == BACKGROUND_ICON_INSTALLING) {
// update the installation animation, if active
if (ui_parameters.installing_frames > 0)
ui_increment_frame();
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;
}
}
gettimeofday(&lastprogupd, NULL);
}
#ifdef USE_VIRTUAL_KEY
// 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;
//virtualkey_w = gr_get_width(surface);
//virtualkey_h = gr_get_height(surface);
int iconX = (gr_fb_width() - virtualkey_w) / 2;
int iconY = (gr_fb_height() - virtualkey_h);
if (virtualkey_pressed) {
//clear virtual key area alpha.
//gr_color(0, 0, 0, 255);
//gr_fill(0, iconY, gr_fb_width(), gr_fb_height());
//draw virtual key area background.
gr_blit(gBackground, 0, 0, virtualkey_w, virtualkey_h, 0, iconY);
}
//draw virtual key.
gr_blit(gVirtualKeys, 0, 0, virtualkey_w, virtualkey_h, iconX, iconY);
}
#endif
#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') {
//if (ui_get_rainbow_mode()) ui_rainbow_mode();
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, 0);
}
}
void ui_setMenuTextColor(int r, int g, int b, int a) {
menuTextColor[0] = r;
menuTextColor[1] = g;
menuTextColor[2] = b;
menuTextColor[3] = a;
}
// 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) {
int total_rows = (gr_fb_height() - virtualkey_h) / CHAR_HEIGHT;
int i = 0;
int j = 0;
int row = 0; // current row that we are drawing on
if (show_menu) {
int batt_level = 0;
char batt_text[40];
batt_level = get_batt_stats();
/*struct tm *current;
time_t now;
now = time(NULL); // add 2 hours
current = localtime(&now);
sprintf(batt_text, "[%d%% %02D:%02D]", batt_level, current->tm_hour, current->tm_min);
if (now == NULL)*/
sprintf(batt_text, " [%d%%]", batt_level);
gr_color(menuTextColor[0], menuTextColor[1], menuTextColor[2], menuTextColor[3]);
//gr_color(0, 255, 0, 255);
if (batt_level < 21)
gr_color(255, 0, 0, 255);
draw_text_line(0, batt_text, RIGHT_ALIGN);
gr_color(menuTextColor[0], menuTextColor[1], menuTextColor[2], menuTextColor[3]);
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(menuTextColor[0], menuTextColor[1], menuTextColor[2], menuTextColor[3]);
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(menuTextColor[0], menuTextColor[1], menuTextColor[2], menuTextColor[3]);
} else {
gr_color(menuTextColor[0], menuTextColor[1], menuTextColor[2], menuTextColor[3]);
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);
}
}
#ifdef USE_VIRTUAL_KEY
draw_virtualkeys_locked();
#endif
}
// 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;
// set minimum delay between progress updates if we have a text overlay
// exception: gProgressScopeDuration != 0: to keep zip installer refresh behavior
struct timeval curtime;
gettimeofday(&curtime, NULL);
long delta_ms = delta_milliseconds(lastprogupd, curtime);
if (show_text && gProgressScopeDuration == 0 && lastprogupd.tv_sec > 0
&& delta_ms < UI_MIN_PROG_DELTA_MS) {
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 progress bar animation, if active
// update the spinning cube animation, even if no progress bar
if (gProgressBarType == PROGRESSBAR_TYPE_INDETERMINATE ||
gCurrentIcon == BACKGROUND_ICON_INSTALLING) {
redraw = 1;
}
// move the progress bar forward on timed intervals, if configured
int duration = gProgressScopeDuration;
if (gProgressBarType == PROGRESSBAR_TYPE_NORMAL) {
if (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;
}
static void handle_release(input_device *dev, struct input_event *ev) {
if (dev->touch_pos.y < (gr_fb_height() - virtualkey_h)) {
if(dev->slide_right == 1) {
ev->type = EV_KEY;
ev->code = KEY_ENTER;
ev->value = 2;
vibrate(VIBRATOR_TIME_MS);
} else if(dev->slide_left == 1) {
ev->type = EV_KEY;
ev->code = KEY_BACK;
ev->value = 2;
vibrate(VIBRATOR_TIME_MS);
}
}
#ifdef USE_VIRTUAL_KEY
else {
ev->type = EV_KEY;
ev->code=ui_get_virtualkey_pressed(dev);
ev->value = 2;
vibrate(VIBRATOR_TIME_MS);
}
//clear button pressed down effect.
if (virtualkey_pressed == 1 && ui_handle_key(ev->code, 1) == NO_ACTION) {
pthread_mutex_lock(&gUpdateMutex);
draw_virtualkeys_locked();
gr_flip();
pthread_mutex_unlock(&gUpdateMutex);
virtualkey_pressed = 0;
}
#endif
reset_touch(dev);
}
static int rel_sum = 0;
static int input_callback(int fd, short revents, void *data) {
struct input_event ev;
int ret;
int fake_key = 0;
ret = ev_get_input(fd, revents, &ev);
if (ret)
return -1;
input_device dev;
dev.fd = fd;
if(!dev.touch_calibrated)
dev.touch_calibrated = calibrate_touch(&dev);
if (ev.type == EV_SYN) {
if (ev.code == SYN_MT_REPORT) {
dev.saw_mt_report = 1;
if (!dev.saw_mt_tracking_id) {
if (dev.saw_pos_x && dev.saw_pos_y) {
dev.saw_pos_x = 0;
dev.saw_pos_y = 0;
} else
handle_release(&dev, &ev);
}
}
} 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 if (ev.type == EV_ABS) {
switch(ev.code){
case ABS_MT_SLOT:
dev.slot_current = ev.value;
break;
case ABS_MT_TRACKING_ID:
dev.saw_mt_tracking_id = 1;
dev.tracking_id = ev.value;
if (dev.tracking_id == -1 && dev.slot_current == 0)
handle_release(&dev, &ev);
break;
case ABS_MT_POSITION_X:
dev.saw_pos_x = 1;
if (dev.slot_current != 0) break;
if(dev.touch_start.x == 0)
dev.touch_start.x = dev.touch_pos.x;
float touch_rel = (float)ev.value / ((float)dev.touch_max.x - (float)dev.touch_min.x);
dev.touch_pos.x = touch_rel * gr_fb_width();
if (dev.touch_start.x == 0) break; //first touch.
diff_x += dev.touch_pos.x - dev.touch_start.x;
if (abs(diff_x) > abs(diff_y) && dev.touch_pos.y < (gr_fb_height() - virtualkey_h)) {
if(diff_x > min_x_swipe_px) {
dev.slide_right = 1;
} else if (diff_x < -min_x_swipe_px) {
dev.slide_left = 1;
}
}
break;
case ABS_MT_POSITION_Y:
dev.saw_pos_y = 1;
if (dev.slot_current != 0) break;
if(dev.touch_start.y == 0)
dev.touch_start.y = dev.touch_pos.y;
touch_rel = (float)ev.value / ((float)dev.touch_max.y - (float)dev.touch_min.y);
dev.touch_pos.y = touch_rel * gr_fb_height();
#ifdef USE_VIRTUAL_KEY
ui_get_virtualkey_pressed(&dev);
#endif
if (dev.touch_start.y == 0) break; //first touch.
diff_y += dev.touch_pos.y - dev.touch_start.y;
if (abs(diff_y) >= abs(diff_x) && dev.touch_pos.y < (gr_fb_height() - virtualkey_h)) {
if (diff_y > min_y_swipe_px) {
ev.type = EV_KEY;
ev.code = KEY_VOLUMEDOWN;
ev.value = 2;
reset_touch(&dev);
} else if (diff_y < -min_y_swipe_px) {
ev.type = EV_KEY;
ev.code = KEY_VOLUMEUP;
ev.value = 2;
reset_touch(&dev);
}
}
break;
default:
break;
}
} else if (ev.type == EV_KEY) {
if (dev.saw_mt_report && dev.saw_mt_tracking_id && ev.code == BTN_TOUCH && ev.value == 0)
handle_release(&dev, &ev);
} else {
rel_sum = 0;
}
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_reboot_now(key_pressed, ev.code)) {
reboot_main_system(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();
set_min_swipe_lengths();
#ifdef USE_VIRTUAL_KEY
ui_get_virtualkey_size();
#endif
ev_init(input_callback, NULL);
text_col = text_row = 0;
text_rows = (gr_fb_height() - virtualkey_h) / 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_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() {
if (!ui_has_initialized)
return;
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) {
if (!ui_has_initialized)
return;
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) {
if (!ui_has_initialized)
return;
pthread_mutex_lock(&gUpdateMutex);