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Doug Zongker211aebc2011-10-28 15:13:10 -07001/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <errno.h>
18#include <fcntl.h>
19#include <linux/input.h>
20#include <pthread.h>
21#include <stdarg.h>
22#include <stdio.h>
23#include <stdlib.h>
24#include <string.h>
25#include <sys/stat.h>
26#include <sys/time.h>
27#include <sys/types.h>
28#include <time.h>
29#include <unistd.h>
30
31#include "common.h"
Doug Zongkerdaefc1d2011-10-31 09:34:15 -070032#include "device.h"
Doug Zongker32a0a472011-11-01 11:00:20 -070033#include "minui/minui.h"
34#include "screen_ui.h"
35#include "ui.h"
Doug Zongker211aebc2011-10-28 15:13:10 -070036
37#define CHAR_WIDTH 10
38#define CHAR_HEIGHT 18
39
Doug Zongker211aebc2011-10-28 15:13:10 -070040// There's only (at most) one of these objects, and global callbacks
41// (for pthread_create, and the input event system) need to find it,
42// so use a global variable.
43static ScreenRecoveryUI* self = NULL;
44
45// Return the current time as a double (including fractions of a second).
46static double now() {
47 struct timeval tv;
48 gettimeofday(&tv, NULL);
49 return tv.tv_sec + tv.tv_usec / 1000000.0;
50}
51
52ScreenRecoveryUI::ScreenRecoveryUI() :
53 currentIcon(NONE),
54 installingFrame(0),
Doug Zongker5fa8c232012-09-18 12:37:02 -070055 rtl_locale(false),
Doug Zongker211aebc2011-10-28 15:13:10 -070056 progressBarType(EMPTY),
57 progressScopeStart(0),
58 progressScopeSize(0),
59 progress(0),
60 pagesIdentical(false),
61 text_cols(0),
62 text_rows(0),
63 text_col(0),
64 text_row(0),
65 text_top(0),
66 show_text(false),
67 show_text_ever(false),
68 show_menu(false),
69 menu_top(0),
70 menu_items(0),
71 menu_sel(0),
Doug Zongker32a0a472011-11-01 11:00:20 -070072
73 // These values are correct for the default image resources
74 // provided with the android platform. Devices which use
75 // different resources should have a subclass of ScreenRecoveryUI
76 // that overrides Init() to set these values appropriately and
77 // then call the superclass Init().
78 animation_fps(20),
Doug Zongker8347cb22012-10-08 08:38:16 -070079 indeterminate_frames(6),
80 installing_frames(7),
81 install_overlay_offset_x(13),
82 install_overlay_offset_y(190),
Doug Zongker52eeea4f2012-09-04 14:28:25 -070083 overlay_offset_x(-1),
84 overlay_offset_y(-1) {
Doug Zongker211aebc2011-10-28 15:13:10 -070085 pthread_mutex_init(&updateMutex, NULL);
Doug Zongker211aebc2011-10-28 15:13:10 -070086 self = this;
87}
88
89// Draw the given frame over the installation overlay animation. The
90// background is not cleared or draw with the base icon first; we
91// assume that the frame already contains some other frame of the
92// animation. Does nothing if no overlay animation is defined.
93// Should only be called with updateMutex locked.
94void ScreenRecoveryUI::draw_install_overlay_locked(int frame) {
Doug Zongker52eeea4f2012-09-04 14:28:25 -070095 if (installationOverlay == NULL || overlay_offset_x < 0) return;
Doug Zongker211aebc2011-10-28 15:13:10 -070096 gr_surface surface = installationOverlay[frame];
97 int iconWidth = gr_get_width(surface);
98 int iconHeight = gr_get_height(surface);
99 gr_blit(surface, 0, 0, iconWidth, iconHeight,
Doug Zongker02ec6b82012-08-22 17:26:40 -0700100 overlay_offset_x, overlay_offset_y);
Doug Zongker211aebc2011-10-28 15:13:10 -0700101}
102
103// Clear the screen and draw the currently selected background icon (if any).
104// Should only be called with updateMutex locked.
105void ScreenRecoveryUI::draw_background_locked(Icon icon)
106{
107 pagesIdentical = false;
108 gr_color(0, 0, 0, 255);
109 gr_fill(0, 0, gr_fb_width(), gr_fb_height());
110
111 if (icon) {
112 gr_surface surface = backgroundIcon[icon];
Doug Zongker02ec6b82012-08-22 17:26:40 -0700113 gr_surface text_surface = backgroundText[icon];
114
Doug Zongker211aebc2011-10-28 15:13:10 -0700115 int iconWidth = gr_get_width(surface);
116 int iconHeight = gr_get_height(surface);
Doug Zongker02ec6b82012-08-22 17:26:40 -0700117 int textWidth = gr_get_width(text_surface);
118 int textHeight = gr_get_height(text_surface);
119
Doug Zongker211aebc2011-10-28 15:13:10 -0700120 int iconX = (gr_fb_width() - iconWidth) / 2;
Doug Zongker02ec6b82012-08-22 17:26:40 -0700121 int iconY = (gr_fb_height() - (iconHeight+textHeight+40)) / 2;
122
123 int textX = (gr_fb_width() - textWidth) / 2;
124 int textY = ((gr_fb_height() - (iconHeight+textHeight+40)) / 2) + iconHeight + 40;
125
Doug Zongker211aebc2011-10-28 15:13:10 -0700126 gr_blit(surface, 0, 0, iconWidth, iconHeight, iconX, iconY);
Doug Zongker02ec6b82012-08-22 17:26:40 -0700127 if (icon == INSTALLING_UPDATE || icon == ERASING) {
Doug Zongker211aebc2011-10-28 15:13:10 -0700128 draw_install_overlay_locked(installingFrame);
129 }
Doug Zongker02ec6b82012-08-22 17:26:40 -0700130
131 gr_color(255, 255, 255, 255);
132 gr_texticon(textX, textY, text_surface);
Doug Zongker211aebc2011-10-28 15:13:10 -0700133 }
134}
135
136// Draw the progress bar (if any) on the screen. Does not flip pages.
137// Should only be called with updateMutex locked.
138void ScreenRecoveryUI::draw_progress_locked()
139{
Doug Zongker69f4b672012-04-26 14:37:53 -0700140 if (currentIcon == ERROR) return;
141
Doug Zongker02ec6b82012-08-22 17:26:40 -0700142 if (currentIcon == INSTALLING_UPDATE || currentIcon == ERASING) {
Doug Zongker211aebc2011-10-28 15:13:10 -0700143 draw_install_overlay_locked(installingFrame);
144 }
145
146 if (progressBarType != EMPTY) {
Doug Zongker02ec6b82012-08-22 17:26:40 -0700147 int iconHeight = gr_get_height(backgroundIcon[INSTALLING_UPDATE]);
Doug Zongker211aebc2011-10-28 15:13:10 -0700148 int width = gr_get_width(progressBarEmpty);
149 int height = gr_get_height(progressBarEmpty);
150
151 int dx = (gr_fb_width() - width)/2;
152 int dy = (3*gr_fb_height() + iconHeight - 2*height)/4;
153
154 // Erase behind the progress bar (in case this was a progress-only update)
155 gr_color(0, 0, 0, 255);
156 gr_fill(dx, dy, width, height);
157
158 if (progressBarType == DETERMINATE) {
159 float p = progressScopeStart + progress * progressScopeSize;
160 int pos = (int) (p * width);
161
Doug Zongker5fa8c232012-09-18 12:37:02 -0700162 if (rtl_locale) {
163 // Fill the progress bar from right to left.
164 if (pos > 0) {
165 gr_blit(progressBarFill, width-pos, 0, pos, height, dx+width-pos, dy);
166 }
167 if (pos < width-1) {
168 gr_blit(progressBarEmpty, 0, 0, width-pos, height, dx, dy);
169 }
170 } else {
171 // Fill the progress bar from left to right.
172 if (pos > 0) {
173 gr_blit(progressBarFill, 0, 0, pos, height, dx, dy);
174 }
175 if (pos < width-1) {
176 gr_blit(progressBarEmpty, pos, 0, width-pos, height, dx+pos, dy);
177 }
Doug Zongker211aebc2011-10-28 15:13:10 -0700178 }
179 }
180
181 if (progressBarType == INDETERMINATE) {
182 static int frame = 0;
183 gr_blit(progressBarIndeterminate[frame], 0, 0, width, height, dx, dy);
Doug Zongker5fa8c232012-09-18 12:37:02 -0700184 // in RTL locales, we run the animation backwards, which
185 // makes the spinner spin the other way.
186 if (rtl_locale) {
187 frame = (frame + indeterminate_frames - 1) % indeterminate_frames;
188 } else {
189 frame = (frame + 1) % indeterminate_frames;
190 }
Doug Zongker211aebc2011-10-28 15:13:10 -0700191 }
192 }
193}
194
195void ScreenRecoveryUI::draw_text_line(int row, const char* t) {
196 if (t[0] != '\0') {
197 gr_text(0, (row+1)*CHAR_HEIGHT-1, t);
198 }
199}
200
201// Redraw everything on the screen. Does not flip pages.
202// Should only be called with updateMutex locked.
203void ScreenRecoveryUI::draw_screen_locked()
204{
205 draw_background_locked(currentIcon);
206 draw_progress_locked();
207
208 if (show_text) {
209 gr_color(0, 0, 0, 160);
210 gr_fill(0, 0, gr_fb_width(), gr_fb_height());
211
212 int i = 0;
213 if (show_menu) {
214 gr_color(64, 96, 255, 255);
215 gr_fill(0, (menu_top+menu_sel) * CHAR_HEIGHT,
216 gr_fb_width(), (menu_top+menu_sel+1)*CHAR_HEIGHT+1);
217
218 for (; i < menu_top + menu_items; ++i) {
219 if (i == menu_top + menu_sel) {
220 gr_color(255, 255, 255, 255);
221 draw_text_line(i, menu[i]);
222 gr_color(64, 96, 255, 255);
223 } else {
224 draw_text_line(i, menu[i]);
225 }
226 }
227 gr_fill(0, i*CHAR_HEIGHT+CHAR_HEIGHT/2-1,
228 gr_fb_width(), i*CHAR_HEIGHT+CHAR_HEIGHT/2+1);
229 ++i;
230 }
231
232 gr_color(255, 255, 0, 255);
233
234 for (; i < text_rows; ++i) {
235 draw_text_line(i, text[(i+text_top) % text_rows]);
236 }
237 }
238}
239
240// Redraw everything on the screen and flip the screen (make it visible).
241// Should only be called with updateMutex locked.
242void ScreenRecoveryUI::update_screen_locked()
243{
244 draw_screen_locked();
245 gr_flip();
246}
247
248// Updates only the progress bar, if possible, otherwise redraws the screen.
249// Should only be called with updateMutex locked.
250void ScreenRecoveryUI::update_progress_locked()
251{
252 if (show_text || !pagesIdentical) {
253 draw_screen_locked(); // Must redraw the whole screen
254 pagesIdentical = true;
255 } else {
256 draw_progress_locked(); // Draw only the progress bar and overlays
257 }
258 gr_flip();
259}
260
261// Keeps the progress bar updated, even when the process is otherwise busy.
Doug Zongker32a0a472011-11-01 11:00:20 -0700262void* ScreenRecoveryUI::progress_thread(void *cookie) {
263 self->progress_loop();
264 return NULL;
265}
266
267void ScreenRecoveryUI::progress_loop() {
268 double interval = 1.0 / animation_fps;
Doug Zongker211aebc2011-10-28 15:13:10 -0700269 for (;;) {
270 double start = now();
Doug Zongker32a0a472011-11-01 11:00:20 -0700271 pthread_mutex_lock(&updateMutex);
Doug Zongker211aebc2011-10-28 15:13:10 -0700272
273 int redraw = 0;
274
275 // update the installation animation, if active
276 // skip this if we have a text overlay (too expensive to update)
Doug Zongker02ec6b82012-08-22 17:26:40 -0700277 if ((currentIcon == INSTALLING_UPDATE || currentIcon == ERASING) &&
278 installing_frames > 0 && !show_text) {
Doug Zongker32a0a472011-11-01 11:00:20 -0700279 installingFrame = (installingFrame + 1) % installing_frames;
Doug Zongker211aebc2011-10-28 15:13:10 -0700280 redraw = 1;
281 }
282
283 // update the progress bar animation, if active
284 // skip this if we have a text overlay (too expensive to update)
Doug Zongker32a0a472011-11-01 11:00:20 -0700285 if (progressBarType == INDETERMINATE && !show_text) {
Doug Zongker211aebc2011-10-28 15:13:10 -0700286 redraw = 1;
287 }
288
289 // move the progress bar forward on timed intervals, if configured
Doug Zongker32a0a472011-11-01 11:00:20 -0700290 int duration = progressScopeDuration;
291 if (progressBarType == DETERMINATE && duration > 0) {
292 double elapsed = now() - progressScopeTime;
Doug Zongker69f4b672012-04-26 14:37:53 -0700293 float p = 1.0 * elapsed / duration;
294 if (p > 1.0) p = 1.0;
295 if (p > progress) {
296 progress = p;
Doug Zongker211aebc2011-10-28 15:13:10 -0700297 redraw = 1;
298 }
299 }
300
Doug Zongker32a0a472011-11-01 11:00:20 -0700301 if (redraw) update_progress_locked();
Doug Zongker211aebc2011-10-28 15:13:10 -0700302
Doug Zongker32a0a472011-11-01 11:00:20 -0700303 pthread_mutex_unlock(&updateMutex);
Doug Zongker211aebc2011-10-28 15:13:10 -0700304 double end = now();
305 // minimum of 20ms delay between frames
306 double delay = interval - (end-start);
307 if (delay < 0.02) delay = 0.02;
308 usleep((long)(delay * 1000000));
309 }
Doug Zongker211aebc2011-10-28 15:13:10 -0700310}
311
312void ScreenRecoveryUI::LoadBitmap(const char* filename, gr_surface* surface) {
313 int result = res_create_surface(filename, surface);
314 if (result < 0) {
315 LOGE("missing bitmap %s\n(Code %d)\n", filename, result);
316 }
317}
318
Doug Zongker02ec6b82012-08-22 17:26:40 -0700319void ScreenRecoveryUI::LoadLocalizedBitmap(const char* filename, gr_surface* surface) {
320 int result = res_create_localized_surface(filename, surface);
321 if (result < 0) {
322 LOGE("missing bitmap %s\n(Code %d)\n", filename, result);
323 }
324}
325
Doug Zongker211aebc2011-10-28 15:13:10 -0700326void ScreenRecoveryUI::Init()
327{
328 gr_init();
Doug Zongker211aebc2011-10-28 15:13:10 -0700329
330 text_col = text_row = 0;
331 text_rows = gr_fb_height() / CHAR_HEIGHT;
332 if (text_rows > kMaxRows) text_rows = kMaxRows;
333 text_top = 1;
334
335 text_cols = gr_fb_width() / CHAR_WIDTH;
336 if (text_cols > kMaxCols - 1) text_cols = kMaxCols - 1;
337
Doug Zongker02ec6b82012-08-22 17:26:40 -0700338 LoadBitmap("icon_installing", &backgroundIcon[INSTALLING_UPDATE]);
339 backgroundIcon[ERASING] = backgroundIcon[INSTALLING_UPDATE];
Doug Zongker211aebc2011-10-28 15:13:10 -0700340 LoadBitmap("icon_error", &backgroundIcon[ERROR]);
Doug Zongker02ec6b82012-08-22 17:26:40 -0700341 backgroundIcon[NO_COMMAND] = backgroundIcon[ERROR];
342
Doug Zongker211aebc2011-10-28 15:13:10 -0700343 LoadBitmap("progress_empty", &progressBarEmpty);
344 LoadBitmap("progress_fill", &progressBarFill);
345
Doug Zongker02ec6b82012-08-22 17:26:40 -0700346 LoadLocalizedBitmap("installing_text", &backgroundText[INSTALLING_UPDATE]);
347 LoadLocalizedBitmap("erasing_text", &backgroundText[ERASING]);
348 LoadLocalizedBitmap("no_command_text", &backgroundText[NO_COMMAND]);
349 LoadLocalizedBitmap("error_text", &backgroundText[ERROR]);
350
Doug Zongker211aebc2011-10-28 15:13:10 -0700351 int i;
352
Doug Zongker32a0a472011-11-01 11:00:20 -0700353 progressBarIndeterminate = (gr_surface*)malloc(indeterminate_frames *
Doug Zongker211aebc2011-10-28 15:13:10 -0700354 sizeof(gr_surface));
Doug Zongker32a0a472011-11-01 11:00:20 -0700355 for (i = 0; i < indeterminate_frames; ++i) {
Doug Zongker211aebc2011-10-28 15:13:10 -0700356 char filename[40];
357 // "indeterminate01.png", "indeterminate02.png", ...
358 sprintf(filename, "indeterminate%02d", i+1);
359 LoadBitmap(filename, progressBarIndeterminate+i);
360 }
361
Doug Zongker32a0a472011-11-01 11:00:20 -0700362 if (installing_frames > 0) {
363 installationOverlay = (gr_surface*)malloc(installing_frames *
Doug Zongker211aebc2011-10-28 15:13:10 -0700364 sizeof(gr_surface));
Doug Zongker32a0a472011-11-01 11:00:20 -0700365 for (i = 0; i < installing_frames; ++i) {
Doug Zongker211aebc2011-10-28 15:13:10 -0700366 char filename[40];
367 // "icon_installing_overlay01.png",
368 // "icon_installing_overlay02.png", ...
369 sprintf(filename, "icon_installing_overlay%02d", i+1);
370 LoadBitmap(filename, installationOverlay+i);
371 }
Doug Zongker211aebc2011-10-28 15:13:10 -0700372 } else {
373 installationOverlay = NULL;
374 }
375
376 pthread_create(&progress_t, NULL, progress_thread, NULL);
Doug Zongker32a0a472011-11-01 11:00:20 -0700377
378 RecoveryUI::Init();
Doug Zongker211aebc2011-10-28 15:13:10 -0700379}
380
Doug Zongker5fa8c232012-09-18 12:37:02 -0700381void ScreenRecoveryUI::SetLocale(const char* locale) {
382 if (locale) {
383 char* lang = strdup(locale);
384 for (char* p = lang; *p; ++p) {
385 if (*p == '_') {
386 *p = '\0';
387 break;
388 }
389 }
390
391 // A bit cheesy: keep an explicit list of supported languages
392 // that are RTL.
393 if (strcmp(lang, "ar") == 0 || // Arabic
394 strcmp(lang, "fa") == 0 || // Persian (Farsi)
395 strcmp(lang, "he") == 0 || // Hebrew (new language code)
Doug Zongkerb66cb692012-09-18 14:52:18 -0700396 strcmp(lang, "iw") == 0 || // Hebrew (old language code)
397 strcmp(lang, "ur") == 0) { // Urdu
Doug Zongker5fa8c232012-09-18 12:37:02 -0700398 rtl_locale = true;
399 }
400 free(lang);
401 }
402}
403
Doug Zongker211aebc2011-10-28 15:13:10 -0700404void ScreenRecoveryUI::SetBackground(Icon icon)
405{
406 pthread_mutex_lock(&updateMutex);
Doug Zongker02ec6b82012-08-22 17:26:40 -0700407
408 // Adjust the offset to account for the positioning of the
409 // base image on the screen.
410 if (backgroundIcon[icon] != NULL) {
411 gr_surface bg = backgroundIcon[icon];
412 gr_surface text = backgroundText[icon];
413 overlay_offset_x = install_overlay_offset_x + (gr_fb_width() - gr_get_width(bg)) / 2;
414 overlay_offset_y = install_overlay_offset_y +
415 (gr_fb_height() - (gr_get_height(bg) + gr_get_height(text) + 40)) / 2;
416 }
417
Doug Zongker52eeea4f2012-09-04 14:28:25 -0700418 currentIcon = icon;
419 update_screen_locked();
420
Doug Zongker211aebc2011-10-28 15:13:10 -0700421 pthread_mutex_unlock(&updateMutex);
422}
423
424void ScreenRecoveryUI::SetProgressType(ProgressType type)
425{
426 pthread_mutex_lock(&updateMutex);
427 if (progressBarType != type) {
428 progressBarType = type;
429 update_progress_locked();
430 }
Doug Zongker69f4b672012-04-26 14:37:53 -0700431 progressScopeStart = 0;
432 progress = 0;
Doug Zongker211aebc2011-10-28 15:13:10 -0700433 pthread_mutex_unlock(&updateMutex);
434}
435
436void ScreenRecoveryUI::ShowProgress(float portion, float seconds)
437{
438 pthread_mutex_lock(&updateMutex);
439 progressBarType = DETERMINATE;
440 progressScopeStart += progressScopeSize;
441 progressScopeSize = portion;
442 progressScopeTime = now();
443 progressScopeDuration = seconds;
444 progress = 0;
445 update_progress_locked();
446 pthread_mutex_unlock(&updateMutex);
447}
448
449void ScreenRecoveryUI::SetProgress(float fraction)
450{
451 pthread_mutex_lock(&updateMutex);
452 if (fraction < 0.0) fraction = 0.0;
453 if (fraction > 1.0) fraction = 1.0;
454 if (progressBarType == DETERMINATE && fraction > progress) {
455 // Skip updates that aren't visibly different.
456 int width = gr_get_width(progressBarIndeterminate[0]);
457 float scale = width * progressScopeSize;
458 if ((int) (progress * scale) != (int) (fraction * scale)) {
459 progress = fraction;
460 update_progress_locked();
461 }
462 }
463 pthread_mutex_unlock(&updateMutex);
464}
465
466void ScreenRecoveryUI::Print(const char *fmt, ...)
467{
468 char buf[256];
469 va_list ap;
470 va_start(ap, fmt);
471 vsnprintf(buf, 256, fmt, ap);
472 va_end(ap);
473
474 fputs(buf, stdout);
475
476 // This can get called before ui_init(), so be careful.
477 pthread_mutex_lock(&updateMutex);
478 if (text_rows > 0 && text_cols > 0) {
479 char *ptr;
480 for (ptr = buf; *ptr != '\0'; ++ptr) {
481 if (*ptr == '\n' || text_col >= text_cols) {
482 text[text_row][text_col] = '\0';
483 text_col = 0;
484 text_row = (text_row + 1) % text_rows;
485 if (text_row == text_top) text_top = (text_top + 1) % text_rows;
486 }
487 if (*ptr != '\n') text[text_row][text_col++] = *ptr;
488 }
489 text[text_row][text_col] = '\0';
490 update_screen_locked();
491 }
492 pthread_mutex_unlock(&updateMutex);
493}
494
495void ScreenRecoveryUI::StartMenu(const char* const * headers, const char* const * items,
496 int initial_selection) {
497 int i;
498 pthread_mutex_lock(&updateMutex);
499 if (text_rows > 0 && text_cols > 0) {
500 for (i = 0; i < text_rows; ++i) {
501 if (headers[i] == NULL) break;
502 strncpy(menu[i], headers[i], text_cols-1);
503 menu[i][text_cols-1] = '\0';
504 }
505 menu_top = i;
506 for (; i < text_rows; ++i) {
507 if (items[i-menu_top] == NULL) break;
508 strncpy(menu[i], items[i-menu_top], text_cols-1);
509 menu[i][text_cols-1] = '\0';
510 }
511 menu_items = i - menu_top;
512 show_menu = 1;
513 menu_sel = initial_selection;
514 update_screen_locked();
515 }
516 pthread_mutex_unlock(&updateMutex);
517}
518
519int ScreenRecoveryUI::SelectMenu(int sel) {
520 int old_sel;
521 pthread_mutex_lock(&updateMutex);
522 if (show_menu > 0) {
523 old_sel = menu_sel;
524 menu_sel = sel;
525 if (menu_sel < 0) menu_sel = 0;
526 if (menu_sel >= menu_items) menu_sel = menu_items-1;
527 sel = menu_sel;
528 if (menu_sel != old_sel) update_screen_locked();
529 }
530 pthread_mutex_unlock(&updateMutex);
531 return sel;
532}
533
534void ScreenRecoveryUI::EndMenu() {
535 int i;
536 pthread_mutex_lock(&updateMutex);
537 if (show_menu > 0 && text_rows > 0 && text_cols > 0) {
538 show_menu = 0;
539 update_screen_locked();
540 }
541 pthread_mutex_unlock(&updateMutex);
542}
543
544bool ScreenRecoveryUI::IsTextVisible()
545{
546 pthread_mutex_lock(&updateMutex);
547 int visible = show_text;
548 pthread_mutex_unlock(&updateMutex);
549 return visible;
550}
551
552bool ScreenRecoveryUI::WasTextEverVisible()
553{
554 pthread_mutex_lock(&updateMutex);
555 int ever_visible = show_text_ever;
556 pthread_mutex_unlock(&updateMutex);
557 return ever_visible;
558}
559
560void ScreenRecoveryUI::ShowText(bool visible)
561{
562 pthread_mutex_lock(&updateMutex);
563 show_text = visible;
564 if (show_text) show_text_ever = 1;
565 update_screen_locked();
566 pthread_mutex_unlock(&updateMutex);
567}