git.maemo.org Git - navit-package/blob - navit/graphics/android/graphics_android.c

   1 /**
   2  * Navit, a modular navigation system.
   3  * Copyright (C) 2005-2008 Navit Team
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * version 2 as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the
  16  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA  02110-1301, USA.
  18  */
  19
  20 #include <glib.h>
  21 #include <unistd.h>
  22 #include "config.h"
  23 #include "window.h"
  24 #include "point.h"
  25 #include "graphics.h"
  26 #include "color.h"
  27 #include "plugin.h"
  28 #include "event.h"
  29 #include "debug.h"
  30 #include "callback.h"
  31 #include "android.h"
  32
  33 int dummy;
  34
  35 struct graphics_priv {
  36         jclass NavitGraphicsClass;
  37         jmethodID NavitGraphics_draw_polyline, NavitGraphics_draw_polygon, NavitGraphics_draw_rectangle, NavitGraphics_draw_circle, NavitGraphics_draw_text, NavitGraphics_draw_image, NavitGraphics_draw_mode, NavitGraphics_draw_drag, NavitGraphics_overlay_disable, NavitGraphics_overlay_resize, NavitGraphics_SetCamera;
  38
  39         jclass PaintClass;
  40         jmethodID Paint_init,Paint_setStrokeWidth,Paint_setARGB;
  41
  42         jobject NavitGraphics;
  43         jobject Paint;
  44
  45         jclass BitmapFactoryClass;
  46         jmethodID BitmapFactory_decodeFile, BitmapFactory_decodeResource;
  47
  48         jclass BitmapClass;
  49         jmethodID Bitmap_getHeight, Bitmap_getWidth;
  50
  51         jclass ContextClass;
  52         jmethodID Context_getResources;
  53
  54         jclass ResourcesClass;
  55         jobject Resources;
  56         jmethodID Resources_getIdentifier;
  57
  58         struct callback_list *cbl;
  59         struct window win;
  60 };
  61
  62 struct graphics_font_priv {
  63         int size;
  64 };
  65
  66 struct graphics_gc_priv {
  67         struct graphics_priv *gra;
  68         int linewidth;
  69         enum draw_mode_num mode;
  70         int a,r,g,b;
  71 };
  72
  73 struct graphics_image_priv {
  74         jobject Bitmap;
  75 };
  76
  77 static int
  78 find_class_global(char *name, jclass *ret)
  79 {
  80         *ret=(*jnienv)->FindClass(jnienv, name);
  81         if (! *ret) {
  82                 dbg(0,"Failed to get Class %s\n",name);
  83                 return 0;
  84         }
  85         (*jnienv)->NewGlobalRef(jnienv, *ret);
  86         return 1;
  87 }
  88
  89 static int
  90 find_method(jclass class, char *name, char *args, jmethodID *ret)
  91 {
  92         *ret = (*jnienv)->GetMethodID(jnienv, class, name, args);
  93         if (*ret == NULL) {
  94                 dbg(0,"Failed to get Method %s with signature %s\n",name,args);
  95                 return 0;
  96         }
  97         return 1;
  98 }
  99
 100 static int
 101 find_static_method(jclass class, char *name, char *args, jmethodID *ret)
 102 {
 103         *ret = (*jnienv)->GetStaticMethodID(jnienv, class, name, args);
 104         if (*ret == NULL) {
 105                 dbg(0,"Failed to get static Method %s with signature %s\n",name,args);
 106                 return 0;
 107         }
 108         return 1;
 109 }
 110
 111 static void
 112 graphics_destroy(struct graphics_priv *gr)
 113 {
 114 }
 115
 116 static void font_destroy(struct graphics_font_priv *font)
 117 {
 118         g_free(font);
 119 }
 120
 121 static struct graphics_font_methods font_methods = {
 122         font_destroy
 123 };
 124
 125 static struct graphics_font_priv *font_new(struct graphics_priv *gr, struct graphics_font_methods *meth, char *font,  int size, int flags)
 126 {
 127         struct graphics_font_priv *ret=g_new0(struct graphics_font_priv, 1);
 128         *meth=font_methods;
 129
 130         ret->size=size;
 131         return ret;
 132 }
 133
 134 static void
 135 gc_destroy(struct graphics_gc_priv *gc)
 136 {
 137         g_free(gc);
 138 }
 139
 140 static void
 141 gc_set_linewidth(struct graphics_gc_priv *gc, int w)
 142 {
 143     gc->linewidth = w;
 144 }
 145
 146 static void
 147 gc_set_dashes(struct graphics_gc_priv *gc, int w, int offset, unsigned char *dash_list, int n)
 148 {
 149 }
 150
 151 static void
 152 gc_set_foreground(struct graphics_gc_priv *gc, struct color *c)
 153 {
 154     gc->r = c->r >> 8;
 155     gc->g = c->g >> 8;
 156     gc->b = c->b >> 8;
 157     gc->a = c->a >> 8;
 158 }
 159
 160 static void
 161 gc_set_background(struct graphics_gc_priv *gc, struct color *c)
 162 {
 163 }
 164
 165 static struct graphics_gc_methods gc_methods = {
 166         gc_destroy,
 167         gc_set_linewidth,
 168         gc_set_dashes,
 169         gc_set_foreground,
 170         gc_set_background
 171 };
 172
 173 static struct graphics_gc_priv *gc_new(struct graphics_priv *gr, struct graphics_gc_methods *meth)
 174 {
 175         struct graphics_gc_priv *ret=g_new0(struct graphics_gc_priv, 1);
 176         *meth=gc_methods;
 177
 178         ret->gra = gr;
 179         ret->a = ret->r = ret->g = ret->b = 255;
 180         ret->linewidth=1;
 181         return ret;
 182 }
 183
 184 static void image_destroy(struct graphics_image_priv *img)
 185 {
 186     // unused?
 187 }
 188
 189 static struct graphics_image_methods image_methods = {
 190         image_destroy
 191 };
 192
 193
 194 static struct graphics_image_priv *
 195 image_new(struct graphics_priv *gra, struct graphics_image_methods *meth, char *path, int *w, int *h, struct point *hot, int rotation)
 196 {
 197         struct graphics_image_priv *ret=g_new0(struct graphics_image_priv, 1);
 198         jstring string;
 199         int id;
 200
 201         dbg(1,"enter %s\n",path);
 202         *meth=image_methods;
 203         if (!strncmp(path,"res/drawable/",13)) {
 204                 jstring a=(*jnienv)->NewStringUTF(jnienv, "drawable");
 205                 jstring b=(*jnienv)->NewStringUTF(jnienv, "org.navitproject.navit");
 206                 char *path_noext=g_strdup(path+13);
 207                 char *pos=strrchr(path_noext, '.');
 208                 if (pos)
 209                         *pos='\0';
 210                 dbg(1,"path_noext=%s\n",path_noext);
 211                 string = (*jnienv)->NewStringUTF(jnienv, path_noext);
 212                 g_free(path_noext);
 213                 id=(*jnienv)->CallIntMethod(jnienv, gra->Resources, gra->Resources_getIdentifier, string, a, b);
 214                 dbg(1,"id=%d\n",id);
 215                 if (id)
 216                         ret->Bitmap=(*jnienv)->CallStaticObjectMethod(jnienv, gra->BitmapFactoryClass, gra->BitmapFactory_decodeResource, gra->Resources, id);
 217                 (*jnienv)->DeleteLocalRef(jnienv, b);
 218                 (*jnienv)->DeleteLocalRef(jnienv, a);
 219         } else {
 220                 string = (*jnienv)->NewStringUTF(jnienv, path);
 221                 ret->Bitmap=(*jnienv)->CallStaticObjectMethod(jnienv, gra->BitmapFactoryClass, gra->BitmapFactory_decodeFile, string);
 222         }
 223         dbg(1,"result=%p\n",ret->Bitmap);
 224         if (ret->Bitmap) {
 225                 (*jnienv)->NewGlobalRef(jnienv, ret->Bitmap);
 226                 (*jnienv)->DeleteLocalRef(jnienv, ret->Bitmap);
 227                 *w=(*jnienv)->CallIntMethod(jnienv, ret->Bitmap, gra->Bitmap_getWidth);
 228                 *h=(*jnienv)->CallIntMethod(jnienv, ret->Bitmap, gra->Bitmap_getHeight);
 229                 dbg(1,"w=%d h=%d for %s\n",*w,*h,path);
 230                 hot->x=*w/2;
 231                 hot->y=*h/2;
 232         } else {
 233                 g_free(ret);
 234                 ret=NULL;
 235                 dbg(0,"Failed to open %s\n",path);
 236         }
 237         (*jnienv)->DeleteLocalRef(jnienv, string);
 238
 239         return ret;
 240 }
 241
 242 static void initPaint(struct graphics_priv *gra, struct graphics_gc_priv *gc)
 243 {
 244     float wf = gc->linewidth;
 245     (*jnienv)->CallVoidMethod(jnienv, gc->gra->Paint, gra->Paint_setStrokeWidth, wf);
 246     (*jnienv)->CallVoidMethod(jnienv, gc->gra->Paint, gra->Paint_setARGB, gc->a, gc->r, gc->g, gc->b);
 247 }
 248
 249 static void
 250 draw_lines(struct graphics_priv *gra, struct graphics_gc_priv *gc, struct point *p, int count)
 251 {
 252         jint pc[count*2];
 253         int i;
 254         jintArray points;
 255         if (count <= 0)
 256                 return;
 257         points = (*jnienv)->NewIntArray(jnienv,count*2);
 258         for (i = 0 ; i < count ; i++) {
 259                 pc[i*2]=p[i].x;
 260                 pc[i*2+1]=p[i].y;
 261         }
 262         initPaint(gra, gc);
 263         (*jnienv)->SetIntArrayRegion(jnienv, points, 0, count*2, pc);
 264         (*jnienv)->CallVoidMethod(jnienv, gra->NavitGraphics, gra->NavitGraphics_draw_polyline, gc->gra->Paint, points);
 265         (*jnienv)->DeleteLocalRef(jnienv, points);
 266 }
 267
 268 static void
 269 draw_polygon(struct graphics_priv *gra, struct graphics_gc_priv *gc, struct point *p, int count)
 270 {
 271         jint pc[count*2];
 272         int i;
 273         jintArray points;
 274         if (count <= 0)
 275                 return;
 276         points = (*jnienv)->NewIntArray(jnienv,count*2);
 277         for (i = 0 ; i < count ; i++) {
 278                 pc[i*2]=p[i].x;
 279                 pc[i*2+1]=p[i].y;
 280         }
 281         initPaint(gra, gc);
 282         (*jnienv)->SetIntArrayRegion(jnienv, points, 0, count*2, pc);
 283         (*jnienv)->CallVoidMethod(jnienv, gra->NavitGraphics, gra->NavitGraphics_draw_polygon, gc->gra->Paint, points);
 284         (*jnienv)->DeleteLocalRef(jnienv, points);
 285 }
 286
 287 static void
 288 draw_rectangle(struct graphics_priv *gra, struct graphics_gc_priv *gc, struct point *p, int w, int h)
 289 {
 290         initPaint(gra, gc);
 291         (*jnienv)->CallVoidMethod(jnienv, gra->NavitGraphics, gra->NavitGraphics_draw_rectangle, gc->gra->Paint, p->x, p->y, w, h);
 292 }
 293
 294 static void
 295 draw_circle(struct graphics_priv *gra, struct graphics_gc_priv *gc, struct point *p, int r)
 296 {
 297         initPaint(gra, gc);
 298         (*jnienv)->CallVoidMethod(jnienv, gra->NavitGraphics, gra->NavitGraphics_draw_circle, gc->gra->Paint, p->x, p->y, r);
 299 }
 300
 301
 302 static void
 303 draw_text(struct graphics_priv *gra, struct graphics_gc_priv *fg, struct graphics_gc_priv *bg, struct graphics_font_priv *font, char *text, struct point *p, int dx, int dy)
 304 {
 305         dbg(1,"enter %s\n", text);
 306         initPaint(gra, fg);
 307         jstring string = (*jnienv)->NewStringUTF(jnienv, text);
 308         (*jnienv)->CallVoidMethod(jnienv, gra->NavitGraphics, gra->NavitGraphics_draw_text, fg->gra->Paint, p->x, p->y, string, font->size, dx, dy);
 309         (*jnienv)->DeleteLocalRef(jnienv, string);
 310 }
 311
 312 static void
 313 draw_image(struct graphics_priv *gra, struct graphics_gc_priv *fg, struct point *p, struct graphics_image_priv *img)
 314 {
 315         dbg(1,"enter %p\n",img);
 316         initPaint(gra, fg);
 317         (*jnienv)->CallVoidMethod(jnienv, gra->NavitGraphics, gra->NavitGraphics_draw_image, fg->gra->Paint, p->x, p->y, img->Bitmap);
 318
 319 }
 320
 321 static void
 322 draw_image_warp(struct graphics_priv *gr, struct graphics_gc_priv *fg, struct point *p, int count, char *data)
 323 {
 324 }
 325
 326 static void
 327 draw_restore(struct graphics_priv *gr, struct point *p, int w, int h)
 328 {
 329 }
 330
 331 static void draw_drag(struct graphics_priv *gra, struct point *p)
 332 {
 333         (*jnienv)->CallVoidMethod(jnienv, gra->NavitGraphics, gra->NavitGraphics_draw_drag, p ? p->x : 0, p ? p->y : 0);
 334 }
 335
 336 static void
 337 background_gc(struct graphics_priv *gr, struct graphics_gc_priv *gc)
 338 {
 339 }
 340
 341 static void
 342 draw_mode(struct graphics_priv *gra, enum draw_mode_num mode)
 343 {
 344         (*jnienv)->CallVoidMethod(jnienv, gra->NavitGraphics, gra->NavitGraphics_draw_mode, (int)mode);
 345 }
 346
 347 static struct graphics_priv * overlay_new(struct graphics_priv *gr, struct graphics_methods *meth, struct point *p, int w, int h, int alpha, int wraparound);
 348
 349 static void *
 350 get_data(struct graphics_priv *this, char *type)
 351 {
 352         if (strcmp(type,"window"))
 353                 return NULL;
 354         return &this->win;
 355 }
 356
 357 static void image_free(struct graphics_priv *gr, struct graphics_image_priv *priv)
 358 {
 359     (*jnienv)->DeleteGlobalRef(jnienv, priv->Bitmap);
 360     g_free(priv);
 361 }
 362
 363 static void get_text_bbox(struct graphics_priv *gr, struct graphics_font_priv *font, char *text, int dx, int dy, struct point *ret, int estimate)
 364 {
 365         int len = g_utf8_strlen(text, -1);
 366         int xMin = 0;
 367         int yMin = 0;
 368         int yMax = 13*font->size/256;
 369         int xMax = 9*font->size*len/256;
 370
 371         ret[0].x = xMin;
 372         ret[0].y = -yMin;
 373         ret[1].x = xMin;
 374         ret[1].y = -yMax;
 375         ret[2].x = xMax;
 376         ret[2].y = -yMax;
 377         ret[3].x = xMax;
 378         ret[3].y = -yMin;
 379 }
 380
 381 static void overlay_disable(struct graphics_priv *gra, int disable)
 382 {
 383         (*jnienv)->CallVoidMethod(jnienv, gra->NavitGraphics, gra->NavitGraphics_overlay_disable, disable);
 384 }
 385
 386 static void overlay_resize(struct graphics_priv *gra, struct point *pnt, int w, int h, int alpha, int wraparound)
 387 {
 388         (*jnienv)->CallVoidMethod(jnienv, gra->NavitGraphics, gra->NavitGraphics_overlay_resize, pnt ? pnt->x:0 , pnt ? pnt->y:0, w, h, alpha, wraparound);
 389 }
 390
 391 static int
 392 set_attr(struct graphics_priv *gra, struct attr *attr)
 393 {
 394         switch (attr->type) {
 395         case attr_use_camera:
 396                 (*jnienv)->CallVoidMethod(jnienv, gra->NavitGraphics, gra->NavitGraphics_SetCamera, attr->u.num);
 397                 return 1;
 398         default:
 399                 return 0;
 400         }
 401 }
 402
 403 static struct graphics_methods graphics_methods = {
 404         graphics_destroy,
 405         draw_mode,
 406         draw_lines,
 407         draw_polygon,
 408         draw_rectangle,
 409         draw_circle,
 410         draw_text,
 411         draw_image,
 412         draw_image_warp,
 413         draw_restore,
 414         draw_drag,
 415         font_new,
 416         gc_new,
 417         background_gc,
 418         overlay_new,
 419         image_new,
 420         get_data,
 421         image_free,
 422         get_text_bbox,
 423         overlay_disable,
 424         overlay_resize,
 425         set_attr,
 426 };
 427
 428 static void
 429 resize_callback(struct graphics_priv *gra, int w, int h)
 430 {
 431         dbg(0,"w=%d h=%d ok\n",w,h);
 432          callback_list_call_attr_2(gra->cbl, attr_resize, (void *)w, (void *)h);
 433 }
 434
 435 static void
 436 motion_callback(struct graphics_priv *gra, int x, int y)
 437 {
 438         struct point p;
 439         p.x=x;
 440         p.y=y;
 441         callback_list_call_attr_1(gra->cbl, attr_motion, (void *)&p);
 442 }
 443
 444 static void
 445 keypress_callback(struct graphics_priv *gra, char *s)
 446 {
 447         dbg(0,"enter %s\n",s);
 448         callback_list_call_attr_1(gra->cbl, attr_keypress, s);
 449 }
 450
 451 static void
 452 button_callback(struct graphics_priv *gra, int pressed, int button, int x, int y)
 453 {
 454         struct point p;
 455         p.x=x;
 456         p.y=y;
 457         callback_list_call_attr_3(gra->cbl, attr_button, (void *)pressed, (void *)button, (void *)&p);
 458 }
 459
 460
 461 static int
 462 set_activity(jobject graphics)
 463 {
 464         jclass ActivityClass;
 465         jmethodID cid;
 466
 467         ActivityClass = (*jnienv)->GetObjectClass(jnienv, android_activity);
 468         dbg(0,"at 5\n");
 469         if (ActivityClass == NULL) {
 470                 dbg(0,"no activity class found\n");
 471                 return 0;
 472         }
 473         dbg(0,"at 6\n");
 474         cid = (*jnienv)->GetMethodID(jnienv, ActivityClass, "setContentView", "(Landroid/view/View;)V");
 475         if (cid == NULL) {
 476                 dbg(0,"no setContentView method found\n");
 477                 return 0;
 478         }
 479         dbg(0,"at 7\n");
 480         (*jnienv)->CallVoidMethod(jnienv, android_activity, cid, graphics);
 481         dbg(0,"at 8\n");
 482         return 1;
 483 }
 484
 485 static int
 486 graphics_android_init(struct graphics_priv *ret, struct graphics_priv *parent, struct point *pnt, int w, int h, int alpha, int wraparound, int use_camera)
 487 {
 488         struct callback *cb;
 489         jmethodID cid;
 490
 491         dbg(0,"at 2 jnienv=%p\n",jnienv);
 492         if (!find_class_global("android/graphics/Paint", &ret->PaintClass))
 493                 return 0;
 494         if (!find_method(ret->PaintClass, "<init>", "()V", &ret->Paint_init))
 495                 return 0;
 496         if (!find_method(ret->PaintClass, "setARGB", "(IIII)V", &ret->Paint_setARGB))
 497                 return 0;
 498         if (!find_method(ret->PaintClass, "setStrokeWidth", "(F)V", &ret->Paint_setStrokeWidth))
 499                 return 0;
 500
 501         if (!find_class_global("android/graphics/BitmapFactory", &ret->BitmapFactoryClass))
 502                 return 0;
 503         if (!find_static_method(ret->BitmapFactoryClass, "decodeFile", "(Ljava/lang/String;)Landroid/graphics/Bitmap;", &ret->BitmapFactory_decodeFile))
 504                 return 0;
 505         if (!find_static_method(ret->BitmapFactoryClass, "decodeResource", "(Landroid/content/res/Resources;I)Landroid/graphics/Bitmap;", &ret->BitmapFactory_decodeResource))
 506                 return 0;
 507
 508         if (!find_class_global("android/graphics/Bitmap", &ret->BitmapClass))
 509                 return 0;
 510         if (!find_method(ret->BitmapClass, "getHeight", "()I", &ret->Bitmap_getHeight))
 511                 return 0;
 512         if (!find_method(ret->BitmapClass, "getWidth", "()I", &ret->Bitmap_getWidth))
 513                 return 0;
 514
 515         if (!find_class_global("android/content/Context", &ret->ContextClass))
 516                 return 0;
 517         if (!find_method(ret->ContextClass, "getResources", "()Landroid/content/res/Resources;", &ret->Context_getResources))
 518                 return 0;
 519
 520
 521         ret->Resources=(*jnienv)->CallObjectMethod(jnienv, android_activity, ret->Context_getResources);
 522         if (ret->Resources)
 523                 (*jnienv)->NewGlobalRef(jnienv, ret->Resources);
 524         if (!find_class_global("android/content/res/Resources", &ret->ResourcesClass))
 525                 return 0;
 526         if (!find_method(ret->ResourcesClass, "getIdentifier", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)I", &ret->Resources_getIdentifier))
 527                 return 0;
 528
 529         if (!find_class_global("org/navitproject/navit/NavitGraphics", &ret->NavitGraphicsClass))
 530                 return 0;
 531         dbg(0,"at 3\n");
 532         cid = (*jnienv)->GetMethodID(jnienv, ret->NavitGraphicsClass, "<init>", "(Landroid/app/Activity;Lorg/navitproject/navit/NavitGraphics;IIIIIII)V");
 533         if (cid == NULL) {
 534                 dbg(0,"no method found\n");
 535                 return 0; /* exception thrown */
 536         }
 537         dbg(0,"at 4 android_activity=%p\n",android_activity);
 538         ret->NavitGraphics=(*jnienv)->NewObject(jnienv, ret->NavitGraphicsClass, cid, android_activity, parent ? parent->NavitGraphics : NULL, pnt ? pnt->x:0 , pnt ? pnt->y:0, w, h, alpha, wraparound, use_camera);
 539         dbg(0,"result=%p\n",ret->NavitGraphics);
 540         if (ret->NavitGraphics)
 541                 (*jnienv)->NewGlobalRef(jnienv, ret->NavitGraphics);
 542
 543         /* Create a single global Paint, otherwise android will quickly run out
 544          * of global refs.*/
 545         ret->Paint=(*jnienv)->NewObject(jnienv, ret->PaintClass, ret->Paint_init);
 546         dbg(0,"result=%p\n",ret->Paint);
 547         if (ret->Paint)
 548                 (*jnienv)->NewGlobalRef(jnienv, ret->Paint);
 549
 550         cid = (*jnienv)->GetMethodID(jnienv, ret->NavitGraphicsClass, "setSizeChangedCallback", "(I)V");
 551         if (cid == NULL) {
 552                 dbg(0,"no SetResizeCallback method found\n");
 553                 return 0; /* exception thrown */
 554         }
 555         cb=callback_new_1(callback_cast(resize_callback), ret);
 556         (*jnienv)->CallVoidMethod(jnienv, ret->NavitGraphics, cid, (int)cb);
 557
 558         cid = (*jnienv)->GetMethodID(jnienv, ret->NavitGraphicsClass, "setButtonCallback", "(I)V");
 559         if (cid == NULL) {
 560                 dbg(0,"no SetButtonCallback method found\n");
 561                 return 0; /* exception thrown */
 562         }
 563         cb=callback_new_1(callback_cast(button_callback), ret);
 564         (*jnienv)->CallVoidMethod(jnienv, ret->NavitGraphics, cid, (int)cb);
 565
 566         cid = (*jnienv)->GetMethodID(jnienv, ret->NavitGraphicsClass, "setMotionCallback", "(I)V");
 567         if (cid == NULL) {
 568                 dbg(0,"no SetMotionCallback method found\n");
 569                 return 0; /* exception thrown */
 570         }
 571         cb=callback_new_1(callback_cast(motion_callback), ret);
 572         (*jnienv)->CallVoidMethod(jnienv, ret->NavitGraphics, cid, (int)cb);
 573
 574         cid = (*jnienv)->GetMethodID(jnienv, ret->NavitGraphicsClass, "setKeypressCallback", "(I)V");
 575         if (cid == NULL) {
 576                 dbg(0,"no SetKeypressCallback method found\n");
 577                 return 0; /* exception thrown */
 578         }
 579         cb=callback_new_1(callback_cast(keypress_callback), ret);
 580         (*jnienv)->CallVoidMethod(jnienv, ret->NavitGraphics, cid, (int)cb);
 581
 582         if (!find_method(ret->NavitGraphicsClass, "draw_polyline", "(Landroid/graphics/Paint;[I)V", &ret->NavitGraphics_draw_polyline))
 583                 return 0;
 584         if (!find_method(ret->NavitGraphicsClass, "draw_polygon", "(Landroid/graphics/Paint;[I)V", &ret->NavitGraphics_draw_polygon))
 585                 return 0;
 586         if (!find_method(ret->NavitGraphicsClass, "draw_rectangle", "(Landroid/graphics/Paint;IIII)V", &ret->NavitGraphics_draw_rectangle))
 587                 return 0;
 588         if (!find_method(ret->NavitGraphicsClass, "draw_circle", "(Landroid/graphics/Paint;III)V", &ret->NavitGraphics_draw_circle))
 589                 return 0;
 590         if (!find_method(ret->NavitGraphicsClass, "draw_text", "(Landroid/graphics/Paint;IILjava/lang/String;III)V", &ret->NavitGraphics_draw_text))
 591                 return 0;
 592         if (!find_method(ret->NavitGraphicsClass, "draw_image", "(Landroid/graphics/Paint;IILandroid/graphics/Bitmap;)V", &ret->NavitGraphics_draw_image))
 593                 return 0;
 594         if (!find_method(ret->NavitGraphicsClass, "draw_mode", "(I)V", &ret->NavitGraphics_draw_mode))
 595                 return 0;
 596         if (!find_method(ret->NavitGraphicsClass, "draw_drag", "(II)V", &ret->NavitGraphics_draw_drag))
 597                 return 0;
 598         if (!find_method(ret->NavitGraphicsClass, "overlay_disable", "(I)V", &ret->NavitGraphics_overlay_disable))
 599                 return 0;
 600         if (!find_method(ret->NavitGraphicsClass, "overlay_resize", "(IIIIII)V", &ret->NavitGraphics_overlay_resize))
 601                 return 0;
 602         if (!find_method(ret->NavitGraphicsClass, "SetCamera", "(I)V", &ret->NavitGraphics_SetCamera))
 603                 return 0;
 604 #if 0
 605         set_activity(ret->NavitGraphics);
 606 #endif
 607         return 1;
 608 }
 609
 610 static int
 611 graphics_android_fullscreen(struct window *win, int on)
 612 {
 613         return 1;
 614 }
 615
 616 static jclass NavitClass;
 617 static jmethodID Navit_disableSuspend, Navit_exit;
 618
 619 static void
 620 graphics_android_disable_suspend(struct window *win)
 621 {
 622         dbg(1,"enter\n");
 623         (*jnienv)->CallVoidMethod(jnienv, android_activity, Navit_disableSuspend);
 624 }
 625
 626
 627
 628 static struct graphics_priv *
 629 graphics_android_new(struct navit *nav, struct graphics_methods *meth, struct attr **attrs, struct callback_list *cbl)
 630 {
 631         struct graphics_priv *ret;
 632         struct attr *attr;
 633         int use_camera=0;
 634         if (!event_request_system("android","graphics_android"))
 635                 return NULL;
 636         ret=g_new0(struct graphics_priv, 1);
 637
 638         ret->cbl=cbl;
 639         *meth=graphics_methods;
 640         ret->win.priv=ret;
 641         ret->win.fullscreen=graphics_android_fullscreen;
 642         ret->win.disable_suspend=graphics_android_disable_suspend;
 643         if ((attr=attr_search(attrs, NULL, attr_use_camera))) {
 644                 use_camera=attr->u.num;
 645         }
 646         if (graphics_android_init(ret, NULL, NULL, 0, 0, 0, 0, use_camera)) {
 647                 dbg(0,"returning %p\n",ret);
 648                 return ret;
 649         } else {
 650                 g_free(ret);
 651                 return NULL;
 652         }
 653 }
 654
 655 static struct graphics_priv *
 656 overlay_new(struct graphics_priv *gr, struct graphics_methods *meth, struct point *p, int w, int h, int alpha, int wraparound)
 657 {
 658         struct graphics_priv *ret=g_new0(struct graphics_priv, 1);
 659         *meth=graphics_methods;
 660         if (graphics_android_init(ret, gr, p, w, h, alpha, wraparound, 0)) {
 661                 dbg(0,"returning %p\n",ret);
 662                 return ret;
 663         } else {
 664                 g_free(ret);
 665                 return NULL;
 666         }
 667 }
 668
 669
 670 static void
 671 event_android_main_loop_run(void)
 672 {
 673         dbg(0,"enter\n");
 674 }
 675
 676 static void event_android_main_loop_quit(void)
 677 {
 678         dbg(0,"enter\n");
 679         (*jnienv)->CallVoidMethod(jnienv, android_activity, Navit_exit);
 680 }
 681
 682
 683 static jclass NavitTimeoutClass;
 684 static jmethodID NavitTimeout_init;
 685 static jmethodID NavitTimeout_remove;
 686
 687 static jclass NavitIdleClass;
 688 static jmethodID NavitIdle_init;
 689 static jmethodID NavitIdle_remove;
 690
 691 static jclass NavitWatchClass;
 692 static jmethodID NavitWatch_init;
 693 static jmethodID NavitWatch_remove;
 694
 695 static struct event_watch *
 696 event_android_add_watch(void *h, enum event_watch_cond cond, struct callback *cb)
 697 {
 698         jobject ret;
 699         ret=(*jnienv)->NewObject(jnienv, NavitWatchClass, NavitWatch_init, (int) h, (int) cond, (int)cb);
 700         dbg(0,"result for %p,%d,%p=%p\n",h,cond,cb,ret);
 701         if (ret)
 702                 (*jnienv)->NewGlobalRef(jnienv, ret);
 703         return (struct event_watch *)ret;
 704 }
 705
 706 static void
 707 event_android_remove_watch(struct event_watch *ev)
 708 {
 709         dbg(0,"enter %p\n",ev);
 710         if (ev) {
 711                 jobject obj=(jobject )ev;
 712                 (*jnienv)->CallVoidMethod(jnienv, obj, NavitWatch_remove);
 713                 (*jnienv)->DeleteGlobalRef(jnienv, obj);
 714         }
 715 }
 716
 717 static struct event_timeout *
 718 event_android_add_timeout(int timeout, int multi, struct callback *cb)
 719 {
 720         jobject ret;
 721         ret=(*jnienv)->NewObject(jnienv, NavitTimeoutClass, NavitTimeout_init, timeout, multi, (int)cb);
 722         dbg(1,"result for %d,%d,%p=%p\n",timeout,multi,cb,ret);
 723         if (ret)
 724                 (*jnienv)->NewGlobalRef(jnienv, ret);
 725         return (struct event_timeout *)ret;
 726 }
 727
 728 static void
 729 event_android_remove_timeout(struct event_timeout *to)
 730 {
 731         dbg(1,"enter %p\n",to);
 732         if (to) {
 733                 jobject obj=(jobject )to;
 734                 (*jnienv)->CallVoidMethod(jnienv, obj, NavitTimeout_remove);
 735                 (*jnienv)->DeleteGlobalRef(jnienv, obj);
 736         }
 737 }
 738
 739
 740 static struct event_idle *
 741 event_android_add_idle(int priority, struct callback *cb)
 742 {
 743 #if 0
 744         jobject ret;
 745         dbg(1,"enter\n");
 746         ret=(*jnienv)->NewObject(jnienv, NavitIdleClass, NavitIdle_init, (int)cb);
 747         dbg(1,"result for %p=%p\n",cb,ret);
 748         if (ret)
 749                 (*jnienv)->NewGlobalRef(jnienv, ret);
 750         return (struct event_idle *)ret;
 751 #endif
 752         return (struct event_idle *)event_android_add_timeout(1, 1, cb);
 753 }
 754
 755 static void
 756 event_android_remove_idle(struct event_idle *ev)
 757 {
 758 #if 0
 759         dbg(1,"enter %p\n",ev);
 760         if (ev) {
 761                 jobject obj=(jobject )ev;
 762                 (*jnienv)->CallVoidMethod(jnienv, obj, NavitIdle_remove);
 763                 (*jnienv)->DeleteGlobalRef(jnienv, obj);
 764         }
 765 #endif
 766         event_android_remove_timeout((struct event_timeout *)ev);
 767 }
 768
 769 static void
 770 event_android_call_callback(struct callback_list *cb)
 771 {
 772         dbg(0,"enter\n");
 773 }
 774
 775 static struct event_methods event_android_methods = {
 776         event_android_main_loop_run,
 777         event_android_main_loop_quit,
 778         event_android_add_watch,
 779         event_android_remove_watch,
 780         event_android_add_timeout,
 781         event_android_remove_timeout,
 782         event_android_add_idle,
 783         event_android_remove_idle,
 784         event_android_call_callback,
 785 };
 786
 787 static struct event_priv *
 788 event_android_new(struct event_methods *meth)
 789 {
 790         dbg(0,"enter\n");
 791         if (!find_class_global("org/navitproject/navit/NavitTimeout", &NavitTimeoutClass))
 792                 return NULL;
 793         NavitTimeout_init = (*jnienv)->GetMethodID(jnienv, NavitTimeoutClass, "<init>", "(IZI)V");
 794         if (NavitTimeout_init == NULL)
 795                 return NULL;
 796         NavitTimeout_remove = (*jnienv)->GetMethodID(jnienv, NavitTimeoutClass, "remove", "()V");
 797         if (NavitTimeout_remove == NULL)
 798                 return NULL;
 799 #if 0
 800         if (!find_class_global("org/navitproject/navit/NavitIdle", &NavitIdleClass))
 801                 return NULL;
 802         NavitIdle_init = (*jnienv)->GetMethodID(jnienv, NavitIdleClass, "<init>", "(I)V");
 803         if (NavitIdle_init == NULL)
 804                 return NULL;
 805         NavitIdle_remove = (*jnienv)->GetMethodID(jnienv, NavitIdleClass, "remove", "()V");
 806         if (NavitIdle_remove == NULL)
 807                 return NULL;
 808 #endif
 809
 810         if (!find_class_global("org/navitproject/navit/NavitWatch", &NavitWatchClass))
 811                 return NULL;
 812         NavitWatch_init = (*jnienv)->GetMethodID(jnienv, NavitWatchClass, "<init>", "(III)V");
 813         if (NavitWatch_init == NULL)
 814                 return NULL;
 815         NavitWatch_remove = (*jnienv)->GetMethodID(jnienv, NavitWatchClass, "remove", "()V");
 816         if (NavitWatch_remove == NULL)
 817                 return NULL;
 818
 819         if (!find_class_global("org/navitproject/navit/Navit", &NavitClass))
 820                 return NULL;
 821         Navit_disableSuspend = (*jnienv)->GetMethodID(jnienv, NavitClass, "disableSuspend", "()V");
 822         if (Navit_disableSuspend == NULL)
 823                 return NULL;
 824         Navit_exit = (*jnienv)->GetMethodID(jnienv, NavitClass, "exit", "()V");
 825         if (Navit_exit == NULL)
 826                 return NULL;
 827         dbg(0,"ok\n");
 828         *meth=event_android_methods;
 829         return NULL;
 830 }
 831
 832
 833 void
 834 plugin_init(void)
 835 {
 836         dbg(0,"enter\n");
 837         plugin_register_graphics_type("android", graphics_android_new);
 838         plugin_register_event_type("android", event_android_new);
 839 }