src/appcore-rotation.c

   1 /*
   2  *  app-core
   3  *
   4  * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact: Jayoun Lee <airjany@samsung.com>, Sewook Park <sewook7.park@samsung.com>, Jaeho Lee <jaeho81.lee@samsung.com>
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  * http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  *
  20  */
  21
  22
  23 #include <errno.h>
  24 #include <stdlib.h>
  25 #include <unistd.h>
  26
  27 #include <sensor_internal.h>
  28 #include <vconf.h>
  29 #include <Ecore.h>
  30 #include "appcore-internal.h"
  31
  32 #ifdef X11
  33 #include <Ecore_X.h>
  34 #include <X11/Xlib.h>
  35
  36 /*Fixme: to be added for wayland works*/
  37 #define _MAKE_ATOM(a, s)                              \
  38    do {                                               \
  39         a = ecore_x_atom_get(s);                      \
  40         if (!a)                                       \
  41           _ERR("##s creation failed.\n");             \
  42    } while(0)
  43
  44 #define STR_ATOM_ROTATION_LOCK                "_E_ROTATION_LOCK"
  45
  46 static Ecore_X_Atom ATOM_ROTATION_LOCK = 0;
  47 static Ecore_X_Window root;
  48 #endif
  49
  50 struct rot_s {
  51         int handle;
  52         int (*callback) (void *event_info, enum appcore_rm, void *);
  53         enum appcore_rm mode;
  54         int lock;
  55         void *cbdata;
  56         int cb_set;
  57         int sf_started;
  58
  59         struct ui_wm_rotate* wm_rotate;
  60 };
  61 static struct rot_s rot;
  62
  63 struct rot_evt {
  64         enum accelerometer_rotate_state re;
  65         enum appcore_rm rm;
  66 };
  67
  68 static struct rot_evt re_to_rm[] = {
  69         {
  70          ROTATION_EVENT_0,
  71           APPCORE_RM_PORTRAIT_NORMAL,
  72         },
  73         {
  74          ROTATION_EVENT_90,
  75          APPCORE_RM_LANDSCAPE_NORMAL,
  76         },
  77         {
  78          ROTATION_EVENT_180,
  79          APPCORE_RM_PORTRAIT_REVERSE,
  80         },
  81         {
  82          ROTATION_EVENT_270,
  83          APPCORE_RM_LANDSCAPE_REVERSE,
  84         },
  85 };
  86
  87 static enum appcore_rm __get_mode(int event_data)
  88 {
  89         int i;
  90         enum appcore_rm m;
  91
  92         m = APPCORE_RM_UNKNOWN;
  93
  94         for (i = 0; i < sizeof(re_to_rm) / sizeof(re_to_rm[0]); i++) {
  95                 if (re_to_rm[i].re == event_data) {
  96                         m = re_to_rm[i].rm;
  97                         break;
  98                 }
  99         }
 100
 101         return m;
 102 }
 103
 104 static void __changed_cb(unsigned int event_type, sensor_event_data_t *event,
 105                        void *data)
 106 {
 107         int *cb_event_data;
 108         enum appcore_rm m;
 109         int ret;
 110
 111         if (rot.lock)
 112                 return;
 113
 114         if (event_type != ACCELEROMETER_EVENT_ROTATION_CHECK) {
 115                 errno = EINVAL;
 116                 return;
 117         }
 118
 119         cb_event_data = (int *)(event->event_data);
 120
 121         m = __get_mode(*cb_event_data);
 122
 123         _DBG("[APP %d] Rotation: %d -> %d", getpid(), rot.mode, m);
 124
 125         if (rot.callback) {
 126                 if (rot.cb_set && rot.mode != m) {
 127                         _DBG("[APP %d] Rotation: %d -> %d", getpid(), rot.mode, m);
 128                         rot.callback((void *)&m, m, data);
 129                         rot.mode = m;
 130                 }
 131         }
 132 }
 133
 134 static void __lock_cb(keynode_t *node, void *data)
 135 {
 136         int r;
 137         enum appcore_rm m;
 138         int ret;
 139
 140         rot.lock = !vconf_keynode_get_bool(node);
 141
 142         if (rot.lock) {
 143                 m = APPCORE_RM_PORTRAIT_NORMAL;
 144                 if (rot.mode != m) {
 145                         rot.callback((void *)&m, m, data);
 146                         rot.mode = m;
 147                 }
 148                 _DBG("[APP %d] Rotation locked", getpid());
 149                 return;
 150         }
 151
 152         _DBG("[APP %d] Rotation unlocked", getpid());
 153         if (rot.callback) {
 154                 if (rot.cb_set) {
 155                         r = appcore_get_rotation_state(&m);
 156                         _DBG("[APP %d] Rotmode prev %d -> curr %d", getpid(),
 157                              rot.mode, m);
 158                         if (!r && rot.mode != m) {
 159                                 rot.callback((void *)&m, m, data);
 160                                 rot.mode = m;
 161                         }
 162                 }
 163         }
 164 }
 165
 166 static void __add_rotlock(void *data)
 167 {
 168         int r;
 169         int lock;
 170
 171         lock = 0;
 172         r = vconf_get_bool(VCONFKEY_SETAPPL_AUTO_ROTATE_SCREEN_BOOL, &lock);
 173         if (r) {
 174                 _DBG("[APP %d] Rotation vconf get bool failed", getpid());
 175         }
 176
 177         rot.lock = !lock;
 178
 179         vconf_notify_key_changed(VCONFKEY_SETAPPL_AUTO_ROTATE_SCREEN_BOOL, __lock_cb,
 180                                  data);
 181 }
 182
 183 static void __del_rotlock(void)
 184 {
 185         vconf_ignore_key_changed(VCONFKEY_SETAPPL_AUTO_ROTATE_SCREEN_BOOL, __lock_cb);
 186         rot.lock = 0;
 187 }
 188
 189 EXPORT_API int appcore_set_rotation_cb(int (*cb) (void *evnet_info, enum appcore_rm, void *),
 190                                        void *data)
 191 {
 192         if (rot.wm_rotate) {
 193                 return rot.wm_rotate->set_rotation_cb(cb, data);
 194         }
 195         else {
 196                 int r;
 197                 int handle;
 198
 199                 if (cb == NULL) {
 200                         errno = EINVAL;
 201                         return -1;
 202                 }
 203
 204                 if (rot.callback != NULL) {
 205                         errno = EALREADY;
 206                         return -1;
 207                 }
 208
 209                 handle = sf_connect(ACCELEROMETER_SENSOR);
 210                 if (handle < 0) {
 211                         _ERR("sf_connect failed: %d", handle);
 212                         return -1;
 213                 }
 214
 215                 r = sf_register_event(handle, ACCELEROMETER_EVENT_ROTATION_CHECK,
 216                                       NULL, __changed_cb, data);
 217                 if (r < 0) {
 218                         _ERR("sf_register_event failed: %d", r);
 219                         sf_disconnect(handle);
 220                         return -1;
 221                 }
 222
 223                 rot.cb_set = 1;
 224                 rot.callback = cb;
 225                 rot.cbdata = data;
 226
 227                 r = sf_start(handle, 0);
 228                 if (r < 0) {
 229                         _ERR("sf_start failed: %d", r);
 230                         r = sf_unregister_event(handle, ACCELEROMETER_EVENT_ROTATION_CHECK);
 231                         if (r < 0) {
 232                                 _ERR("sf_unregister_event failed: %d", r);
 233                         }
 234                         rot.callback = NULL;
 235                         rot.cbdata = NULL;
 236                         rot.cb_set = 0;
 237                         rot.sf_started = 0;
 238                         sf_disconnect(handle);
 239                         return -1;
 240                 }
 241                 rot.sf_started = 1;
 242
 243                 rot.handle = handle;
 244                 __add_rotlock(data);
 245
 246 #ifdef X11
 247                 _MAKE_ATOM(ATOM_ROTATION_LOCK, STR_ATOM_ROTATION_LOCK );
 248                 root =  ecore_x_window_root_first_get();
 249                 XSelectInput(ecore_x_display_get(), root, PropertyChangeMask);
 250 #endif
 251         }
 252         return 0;
 253 }
 254
 255 EXPORT_API int appcore_unset_rotation_cb(void)
 256 {
 257         if (rot.wm_rotate) {
 258                 return rot.wm_rotate->unset_rotation_cb();
 259         }
 260         else {
 261                 int r;
 262
 263                 _retv_if(rot.callback == NULL, 0);
 264
 265                 __del_rotlock();
 266
 267                 if (rot.cb_set) {
 268                         r = sf_unregister_event(rot.handle,
 269                                                 ACCELEROMETER_EVENT_ROTATION_CHECK);
 270                         if (r < 0) {
 271                                 _ERR("sf_unregister_event failed: %d", r);
 272                                 return -1;
 273                         }
 274                         rot.cb_set = 0;
 275                 }
 276                 rot.callback = NULL;
 277                 rot.cbdata = NULL;
 278
 279                 if (rot.sf_started == 1) {
 280                         r = sf_stop(rot.handle);
 281                         if (r < 0) {
 282                                 _ERR("sf_stop failed: %d", r);
 283                                 return -1;
 284                         }
 285                         rot.sf_started = 0;
 286                 }
 287
 288                 r = sf_disconnect(rot.handle);
 289                 if (r < 0) {
 290                         _ERR("sf_disconnect failed: %d", r);
 291                         return -1;
 292                 }
 293                 rot.handle = -1;
 294         }
 295         return 0;
 296 }
 297
 298 EXPORT_API int appcore_get_rotation_state(enum appcore_rm *curr)
 299 {
 300         if (rot.wm_rotate) {
 301                 return rot.wm_rotate->get_rotation_state(curr);
 302         }
 303         else {
 304                 int r;
 305                 unsigned long event;
 306
 307                 if (curr == NULL) {
 308                         errno = EINVAL;
 309                         return -1;
 310                 }
 311
 312                 r = sf_check_rotation(&event);
 313                 if (r < 0) {
 314                         _ERR("sf_check_rotation failed: %d", r);
 315                         *curr = APPCORE_RM_UNKNOWN;
 316                         return -1;
 317                 }
 318
 319                 *curr = __get_mode(event);
 320         }
 321         return 0;
 322 }
 323
 324 EXPORT_API int appcore_pause_rotation_cb(void)
 325 {
 326         if (rot.wm_rotate) {
 327                 return rot.wm_rotate->pause_rotation_cb();
 328         }
 329         else {
 330                 int r;
 331
 332                 _retv_if(rot.callback == NULL, 0);
 333                 _DBG("[APP %d] appcore_pause_rotation_cb is called", getpid());
 334
 335                 __del_rotlock();
 336
 337                 if (rot.cb_set) {
 338                         r = sf_unregister_event(rot.handle,
 339                                                 ACCELEROMETER_EVENT_ROTATION_CHECK);
 340                         if (r < 0) {
 341                                 _ERR("sf_unregister_event in appcore_internal_sf_stop failed: %d", r);
 342                                 return -1;
 343                         }
 344                         rot.cb_set = 0;
 345                 }
 346
 347                 if (rot.sf_started == 1) {
 348                         r = sf_stop(rot.handle);
 349                         if (r < 0) {
 350                                 _ERR("sf_stop in appcore_internal_sf_stop failed: %d",
 351                                      r);
 352                                 return -1;
 353                         }
 354                         rot.sf_started = 0;
 355                 }
 356         }
 357
 358         return 0;
 359 }
 360
 361 EXPORT_API int appcore_resume_rotation_cb(void)
 362 {
 363         if (rot.wm_rotate) {
 364                 return rot.wm_rotate->resume_rotation_cb();
 365         }
 366         else {
 367                 int r,ret;
 368                 enum appcore_rm m;
 369
 370                 _retv_if(rot.callback == NULL, 0);
 371                 _DBG("[APP %d] appcore_resume_rotation_cb is called", getpid());
 372
 373                 if (rot.cb_set == 0) {
 374                         r = sf_register_event(rot.handle,
 375                                               ACCELEROMETER_EVENT_ROTATION_CHECK, NULL,
 376                                               __changed_cb, rot.cbdata);
 377                         if (r < 0) {
 378                                 _ERR("sf_register_event in appcore_internal_sf_start failed: %d", r);
 379                                 return -1;
 380                         }
 381                         rot.cb_set = 1;
 382                 }
 383
 384                 if (rot.sf_started == 0) {
 385                         r = sf_start(rot.handle, 0);
 386                         if (r < 0) {
 387                                 _ERR("sf_start in appcore_internal_sf_start failed: %d",
 388                                      r);
 389                                 ret = sf_unregister_event(rot.handle,
 390                                                     ACCELEROMETER_EVENT_ROTATION_CHECK);
 391                                 if (ret < 0)
 392                                         _ERR("sf_unregister_event failed: %d", ret);
 393                                 rot.cb_set = 0;
 394                                 return -1;
 395                         }
 396                         rot.sf_started = 1;
 397                 }
 398
 399                 __add_rotlock(rot.cbdata);
 400
 401                 r = appcore_get_rotation_state(&m);
 402                 _DBG("[APP %d] Rotmode prev %d -> curr %d", getpid(), rot.mode, m);
 403                 if (!r && rot.mode != m && rot.lock == 0) {
 404                         rot.callback((void *)&m, m, rot.cbdata);
 405                         rot.mode = m;
 406                 }
 407         }
 408         return 0;
 409 }
 410
 411 EXPORT_API int appcore_set_wm_rotation(struct ui_wm_rotate* wm_rotate)
 412 {
 413         if (!wm_rotate) return -1;
 414
 415         if (rot.callback) {
 416                 wm_rotate->set_rotation_cb(rot.callback, rot.cbdata);
 417                 appcore_unset_rotation_cb();
 418         }
 419         rot.wm_rotate = wm_rotate;
 420         _DBG("[APP %d] Support wm rotate:%p", getpid(), wm_rotate);
 421         return 0;
 422 }