1/* Copyright (C) 2006-2010 The Android Open Source Project
2**
3** This software is licensed under the terms of the GNU General Public
4** License version 2, as published by the Free Software Foundation, and
5** may be copied, distributed, and modified under those terms.
6**
7** This program is distributed in the hope that it will be useful,
8** but WITHOUT ANY WARRANTY; without even the implied warranty of
9** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10** GNU General Public License for more details.
11*/
12
13#include "android/utils/debug.h"
14#include "android/utils/bufprint.h"
15#include "android/globals.h"
16#include "android/hw-control.h"
17#include "android/qemulator.h"
18#include "android/user-events.h"
19#include "telephony/modem_driver.h"
20
21#define  D(...)  do {  if (VERBOSE_CHECK(init)) dprint(__VA_ARGS__); } while (0)
22static double get_default_scale( AndroidOptions*  opts );
23
24/* QEmulator structure instance. */
25static QEmulator   qemulator[1];
26
27static void handle_key_command( void*  opaque, SkinKeyCommand  command, int  param );
28static void qemulator_refresh(QEmulator* emulator);
29extern void qemu_system_shutdown_request(void);
30
31static void
32qemulator_light_brightness( void* opaque, const char*  light, int  value )
33{
34    QEmulator*  emulator = opaque;
35
36    VERBOSE_PRINT(hw_control,"%s: light='%s' value=%d window=%p", __FUNCTION__, light, value, emulator->window);
37    if ( !strcmp(light, "lcd_backlight") ) {
38        emulator->lcd_brightness = value;
39        if (emulator->window)
40            skin_window_set_lcd_brightness( emulator->window, value );
41        return;
42    }
43}
44
45static void
46qemulator_setup( QEmulator*  emulator )
47{
48    AndroidOptions*  opts = emulator->opts;
49
50    if ( !emulator->window && !opts->no_window ) {
51        SkinLayout*  layout = emulator->layout;
52        double       scale  = get_default_scale(emulator->opts);
53
54        emulator->window = skin_window_create( layout, emulator->win_x, emulator->win_y, scale, 0);
55        if (emulator->window == NULL)
56            return;
57
58        {
59            SkinTrackBall*           ball;
60            SkinTrackBallParameters  params;
61
62            params.diameter   = 30;
63            params.ring       = 2;
64            params.ball_color = 0xffe0e0e0;
65            params.dot_color  = 0xff202020;
66            params.ring_color = 0xff000000;
67
68            ball = skin_trackball_create( &params );
69            emulator->trackball = ball;
70            skin_window_set_trackball( emulator->window, ball );
71
72            emulator->lcd_brightness = 128;  /* 50% */
73            skin_window_set_lcd_brightness( emulator->window, emulator->lcd_brightness );
74        }
75
76        if ( emulator->onion != NULL )
77            skin_window_set_onion( emulator->window,
78                                   emulator->onion,
79                                   emulator->onion_rotation,
80                                   emulator->onion_alpha );
81
82        qemulator_set_title(emulator);
83
84        skin_window_enable_touch ( emulator->window,
85                                   !androidHwConfig_isScreenNoTouch(android_hw));
86        skin_window_enable_dpad  ( emulator->window, android_hw->hw_dPad != 0 );
87        skin_window_enable_qwerty( emulator->window, android_hw->hw_keyboard != 0 );
88        skin_window_enable_trackball( emulator->window, android_hw->hw_trackBall != 0 );
89    }
90
91    /* initialize hardware control support */
92    AndroidHwControlFuncs funcs;
93    funcs.light_brightness = qemulator_light_brightness;
94    android_hw_control_set(emulator, &funcs);
95}
96
97static void
98qemulator_fb_update( void*   _emulator, int  x, int  y, int  w, int  h )
99{
100    QEmulator*  emulator = _emulator;
101
102    if (!emulator->window) {
103        if (emulator->opts->no_window)
104            return;
105        qemulator_setup( emulator );
106    }
107    skin_window_update_display( emulator->window, x, y, w, h );
108}
109
110static void
111qemulator_fb_rotate( void*  _emulator, int  rotation )
112{
113    QEmulator*  emulator = _emulator;
114
115    qemulator_setup( emulator );
116}
117
118static void
119qemulator_fb_poll( void* _emulator )
120{
121    QEmulator* emulator = _emulator;
122    qemulator_refresh(emulator);
123}
124
125QEmulator*
126qemulator_get(void)
127{
128    return qemulator;
129}
130
131int
132qemulator_init( QEmulator*       emulator,
133                AConfig*         aconfig,
134                const char*      basepath,
135                int              x,
136                int              y,
137                AndroidOptions*  opts )
138{
139    emulator->aconfig     = aconfig;
140    emulator->layout_file = skin_file_create_from_aconfig(aconfig, basepath);
141    emulator->layout      = emulator->layout_file->layouts;
142    emulator->keyboard    = skin_keyboard_create(opts->charmap, opts->raw_keys);
143    emulator->window      = NULL;
144    emulator->win_x       = x;
145    emulator->win_y       = y;
146    emulator->opts[0]     = opts[0];
147
148    /* register as a framebuffer clients for all displays defined in the skin file */
149    SKIN_FILE_LOOP_PARTS( emulator->layout_file, part )
150        SkinDisplay*  disp = part->display;
151        if (disp->valid) {
152            qframebuffer_add_client( disp->qfbuff,
153                                     emulator,
154                                     qemulator_fb_update,
155                                     qemulator_fb_rotate,
156                                     qemulator_fb_poll,
157                                     NULL );
158        }
159    SKIN_FILE_LOOP_END_PARTS
160
161    skin_keyboard_enable( emulator->keyboard, 1 );
162    skin_keyboard_on_command( emulator->keyboard, handle_key_command, emulator );
163
164    return 0;
165}
166
167void
168qemulator_done(QEmulator* emulator)
169{
170    if (emulator->window) {
171        skin_window_free(emulator->window);
172        emulator->window = NULL;
173    }
174    if (emulator->trackball) {
175        skin_trackball_destroy(emulator->trackball);
176        emulator->trackball = NULL;
177    }
178    if (emulator->keyboard) {
179        skin_keyboard_free(emulator->keyboard);
180        emulator->keyboard = NULL;
181    }
182    emulator->layout = NULL;
183    if (emulator->layout_file) {
184        skin_file_free(emulator->layout_file);
185        emulator->layout_file = NULL;
186    }
187}
188
189SkinLayout*
190qemulator_get_layout(QEmulator* emulator)
191{
192    return emulator->layout;
193}
194
195QFrameBuffer*
196qemulator_get_first_framebuffer(QEmulator* emulator)
197{
198    /* register as a framebuffer clients for all displays defined in the skin file */
199    SKIN_FILE_LOOP_PARTS( emulator->layout_file, part )
200        SkinDisplay*  disp = part->display;
201        if (disp->valid) {
202            return disp->qfbuff;
203        }
204    SKIN_FILE_LOOP_END_PARTS
205    return NULL;
206}
207
208void
209qemulator_set_title(QEmulator* emulator)
210{
211    char  temp[128], *p=temp, *end=p+sizeof temp;;
212
213    if (emulator->window == NULL)
214        return;
215
216    if (emulator->show_trackball) {
217        SkinKeyBinding  bindings[ SKIN_KEY_COMMAND_MAX_BINDINGS ];
218        int             count;
219
220        count = skin_keyset_get_bindings( android_keyset,
221                                          SKIN_KEY_COMMAND_TOGGLE_TRACKBALL,
222                                          bindings );
223
224        if (count > 0) {
225            int  nn;
226            p = bufprint( p, end, "Press " );
227            for (nn = 0; nn < count; nn++) {
228                if (nn > 0) {
229                    if (nn < count-1)
230                        p = bufprint(p, end, ", ");
231                    else
232                        p = bufprint(p, end, " or ");
233                }
234                p = bufprint(p, end, "%s",
235                             skin_key_symmod_to_str( bindings[nn].sym,
236                                                     bindings[nn].mod ) );
237            }
238            p = bufprint(p, end, " to leave trackball mode. ");
239        }
240    }
241
242    p = bufprint(p, end, "%d:%s",
243                 android_base_port,
244                 avdInfo_getName( android_avdInfo ));
245
246    skin_window_set_title( emulator->window, temp );
247}
248
249/*
250 * Helper routines
251 */
252
253static int
254get_device_dpi( AndroidOptions*  opts )
255{
256    int dpi_device = android_hw->hw_lcd_density;
257
258    if (opts->dpi_device != NULL) {
259        char*  end;
260        dpi_device = strtol( opts->dpi_device, &end, 0 );
261        if (end == NULL || *end != 0 || dpi_device <= 0) {
262            fprintf(stderr, "argument for -dpi-device must be a positive integer. Aborting\n" );
263            exit(1);
264        }
265    }
266    return  dpi_device;
267}
268
269static double
270get_default_scale( AndroidOptions*  opts )
271{
272    int     dpi_device  = get_device_dpi( opts );
273    int     dpi_monitor = -1;
274    double  scale       = 0.0;
275
276    /* possible values for the 'scale' option are
277     *   'auto'        : try to determine the scale automatically
278     *   '<number>dpi' : indicates the host monitor dpi, compute scale accordingly
279     *   '<fraction>'  : use direct scale coefficient
280     */
281
282    if (opts->scale) {
283        if (!strcmp(opts->scale, "auto"))
284        {
285            /* we need to get the host dpi resolution ? */
286            int   xdpi, ydpi;
287
288            if ( SDL_WM_GetMonitorDPI( &xdpi, &ydpi ) < 0 ) {
289                fprintf(stderr, "could not get monitor DPI resolution from system. please use -dpi-monitor to specify one\n" );
290                exit(1);
291            }
292            D( "system reported monitor resolutions: xdpi=%d ydpi=%d\n", xdpi, ydpi);
293            dpi_monitor = (xdpi + ydpi+1)/2;
294        }
295        else
296        {
297            char*   end;
298            scale = strtod( opts->scale, &end );
299
300            if (end && end[0] == 'd' && end[1] == 'p' && end[2] == 'i' && end[3] == 0) {
301                if ( scale < 20 || scale > 1000 ) {
302                    fprintf(stderr, "emulator: ignoring bad -scale argument '%s': %s\n", opts->scale,
303                            "host dpi number must be between 20 and 1000" );
304                    exit(1);
305                }
306                dpi_monitor = scale;
307                scale       = 0.0;
308            }
309            else if (end == NULL || *end != 0) {
310                fprintf(stderr, "emulator: ignoring bad -scale argument '%s': %s\n", opts->scale,
311                        "not a number or the 'auto' keyword" );
312                exit(1);
313            }
314            else if ( scale < 0.1 || scale > 3. ) {
315                fprintf(stderr, "emulator: ignoring bad -window-scale argument '%s': %s\n", opts->scale,
316                        "must be between 0.1 and 3.0" );
317                exit(1);
318            }
319        }
320    }
321
322    if (scale == 0.0 && dpi_monitor > 0)
323        scale = dpi_monitor*1.0/dpi_device;
324
325    return scale;
326}
327
328/* used to respond to a given keyboard command shortcut
329 */
330static void
331handle_key_command( void*  opaque, SkinKeyCommand  command, int  down )
332{
333    static const struct { SkinKeyCommand  cmd; AndroidKeyCode  kcode; }  keycodes[] =
334    {
335        { SKIN_KEY_COMMAND_BUTTON_CALL,        kKeyCodeCall },
336        { SKIN_KEY_COMMAND_BUTTON_HOME,        kKeyCodeHome },
337        { SKIN_KEY_COMMAND_BUTTON_BACK,        kKeyCodeBack },
338        { SKIN_KEY_COMMAND_BUTTON_HANGUP,      kKeyCodeEndCall },
339        { SKIN_KEY_COMMAND_BUTTON_POWER,       kKeyCodePower },
340        { SKIN_KEY_COMMAND_BUTTON_SEARCH,      kKeyCodeSearch },
341        { SKIN_KEY_COMMAND_BUTTON_MENU,        kKeyCodeMenu },
342        { SKIN_KEY_COMMAND_BUTTON_DPAD_UP,     kKeyCodeDpadUp },
343        { SKIN_KEY_COMMAND_BUTTON_DPAD_LEFT,   kKeyCodeDpadLeft },
344        { SKIN_KEY_COMMAND_BUTTON_DPAD_RIGHT,  kKeyCodeDpadRight },
345        { SKIN_KEY_COMMAND_BUTTON_DPAD_DOWN,   kKeyCodeDpadDown },
346        { SKIN_KEY_COMMAND_BUTTON_DPAD_CENTER, kKeyCodeDpadCenter },
347        { SKIN_KEY_COMMAND_BUTTON_VOLUME_UP,   kKeyCodeVolumeUp },
348        { SKIN_KEY_COMMAND_BUTTON_VOLUME_DOWN, kKeyCodeVolumeDown },
349        { SKIN_KEY_COMMAND_BUTTON_CAMERA,      kKeyCodeCamera },
350        { SKIN_KEY_COMMAND_BUTTON_TV,          kKeyCodeTV },
351        { SKIN_KEY_COMMAND_BUTTON_EPG,         kKeyCodeEPG },
352        { SKIN_KEY_COMMAND_BUTTON_DVR,         kKeyCodeDVR },
353        { SKIN_KEY_COMMAND_BUTTON_PREV,        kKeyCodePrevious },
354        { SKIN_KEY_COMMAND_BUTTON_NEXT,        kKeyCodeNext },
355        { SKIN_KEY_COMMAND_BUTTON_PLAY,        kKeyCodePlay },
356        { SKIN_KEY_COMMAND_BUTTON_PAUSE,       kKeyCodePause },
357        { SKIN_KEY_COMMAND_BUTTON_STOP,        kKeyCodeStop },
358        { SKIN_KEY_COMMAND_BUTTON_REWIND,      kKeyCodeRewind },
359        { SKIN_KEY_COMMAND_BUTTON_FFWD,        kKeyCodeFastForward },
360        { SKIN_KEY_COMMAND_BUTTON_BOOKMARKS,   kKeyCodeBookmarks },
361        { SKIN_KEY_COMMAND_BUTTON_WINDOW,      kKeyCodeCycleWindows },
362        { SKIN_KEY_COMMAND_BUTTON_CHANNELUP,   kKeyCodeChannelUp },
363        { SKIN_KEY_COMMAND_BUTTON_CHANNELDOWN, kKeyCodeChannelDown },
364        { SKIN_KEY_COMMAND_NONE, 0 }
365    };
366    int          nn;
367    QEmulator*   emulator = opaque;
368
369
370    for (nn = 0; keycodes[nn].kcode != 0; nn++) {
371        if (command == keycodes[nn].cmd) {
372            unsigned  code = keycodes[nn].kcode;
373            if (down)
374                code |= 0x200;
375            user_event_keycode( code );
376            return;
377        }
378    }
379
380    // for the show-trackball command, handle down events to enable, and
381    // up events to disable
382    if (command == SKIN_KEY_COMMAND_SHOW_TRACKBALL) {
383        emulator->show_trackball = (down != 0);
384        skin_window_show_trackball( emulator->window, emulator->show_trackball );
385        //qemulator_set_title( emulator );
386        return;
387    }
388
389    // only handle down events for the rest
390    if (down == 0)
391        return;
392
393    switch (command)
394    {
395    case SKIN_KEY_COMMAND_TOGGLE_NETWORK:
396        {
397            qemu_net_disable = !qemu_net_disable;
398            if (android_modem) {
399                amodem_set_data_registration(
400                        android_modem,
401                qemu_net_disable ? A_REGISTRATION_UNREGISTERED
402                    : A_REGISTRATION_HOME);
403            }
404            D( "network is now %s", qemu_net_disable ?
405                                    "disconnected" : "connected" );
406        }
407        break;
408
409    case SKIN_KEY_COMMAND_TOGGLE_FULLSCREEN:
410        if (emulator->window) {
411            skin_window_toggle_fullscreen(emulator->window);
412        }
413        break;
414
415    case SKIN_KEY_COMMAND_TOGGLE_TRACKBALL:
416        emulator->show_trackball = !emulator->show_trackball;
417        skin_window_show_trackball( emulator->window, emulator->show_trackball );
418        qemulator_set_title(emulator);
419        break;
420
421    case SKIN_KEY_COMMAND_ONION_ALPHA_UP:
422    case SKIN_KEY_COMMAND_ONION_ALPHA_DOWN:
423        if (emulator->onion)
424        {
425            int  alpha = emulator->onion_alpha;
426
427            if (command == SKIN_KEY_COMMAND_ONION_ALPHA_UP)
428                alpha += 16;
429            else
430                alpha -= 16;
431
432            if (alpha > 256)
433                alpha = 256;
434            else if (alpha < 0)
435                alpha = 0;
436
437            emulator->onion_alpha = alpha;
438            skin_window_set_onion( emulator->window, emulator->onion, emulator->onion_rotation, alpha );
439            skin_window_redraw( emulator->window, NULL );
440            //dprint( "onion alpha set to %d (%.f %%)", alpha, alpha/2.56 );
441        }
442        break;
443
444    case SKIN_KEY_COMMAND_CHANGE_LAYOUT_PREV:
445    case SKIN_KEY_COMMAND_CHANGE_LAYOUT_NEXT:
446        {
447            SkinLayout*  layout = NULL;
448
449            if (command == SKIN_KEY_COMMAND_CHANGE_LAYOUT_NEXT) {
450                layout = emulator->layout->next;
451                if (layout == NULL)
452                    layout = emulator->layout_file->layouts;
453            }
454            else if (command == SKIN_KEY_COMMAND_CHANGE_LAYOUT_PREV) {
455                layout = emulator->layout_file->layouts;
456                while (layout->next && layout->next != emulator->layout)
457                    layout = layout->next;
458            }
459            if (layout != NULL) {
460                SkinRotation  rotation;
461
462                emulator->layout = layout;
463                skin_window_reset( emulator->window, layout );
464
465                rotation = skin_layout_get_dpad_rotation( layout );
466
467                if (emulator->keyboard)
468                    skin_keyboard_set_rotation( emulator->keyboard, rotation );
469
470                if (emulator->trackball) {
471                    skin_trackball_set_rotation( emulator->trackball, rotation );
472                    skin_window_set_trackball( emulator->window, emulator->trackball );
473                    skin_window_show_trackball( emulator->window, emulator->show_trackball );
474                }
475
476                skin_window_set_lcd_brightness( emulator->window, emulator->lcd_brightness );
477
478                qframebuffer_invalidate_all();
479                qframebuffer_check_updates();
480            }
481        }
482        break;
483
484    default:
485        /* XXX: TODO ? */
486        ;
487    }
488}
489
490/* called periodically to poll for user input events */
491static void qemulator_refresh(QEmulator* emulator)
492{
493    SDL_Event      ev;
494    SkinWindow*    window   = emulator->window;
495    SkinKeyboard*  keyboard = emulator->keyboard;
496
497   /* this will eventually call sdl_update if the content of the VGA framebuffer
498    * has changed */
499    qframebuffer_check_updates();
500
501    if (window == NULL)
502        return;
503
504    while(SDL_PollEvent(&ev)){
505        switch(ev.type){
506        case SDL_VIDEOEXPOSE:
507            skin_window_redraw( window, NULL );
508            break;
509
510        case SDL_KEYDOWN:
511#ifdef _WIN32
512            /* special code to deal with Alt-F4 properly */
513            if (ev.key.keysym.sym == SDLK_F4 &&
514                ev.key.keysym.mod & KMOD_ALT) {
515              goto CleanExit;
516            }
517#endif
518#ifdef __APPLE__
519            /* special code to deal with Command-Q properly */
520            if (ev.key.keysym.sym == SDLK_q &&
521                ev.key.keysym.mod & KMOD_META) {
522              goto CleanExit;
523            }
524#endif
525            skin_keyboard_process_event( keyboard, &ev, 1 );
526            break;
527
528        case SDL_KEYUP:
529            skin_keyboard_process_event( keyboard, &ev, 0 );
530            break;
531
532        case SDL_MOUSEMOTION:
533            skin_window_process_event( window, &ev );
534            break;
535
536        case SDL_MOUSEBUTTONDOWN:
537        case SDL_MOUSEBUTTONUP:
538            {
539                int  down = (ev.type == SDL_MOUSEBUTTONDOWN);
540                if (ev.button.button == 4)
541                {
542                    /* scroll-wheel simulates DPad up */
543                    AndroidKeyCode  kcode;
544
545                    kcode = // qemulator_rotate_keycode(kKeyCodeDpadUp);
546                        android_keycode_rotate(kKeyCodeDpadUp,
547                            skin_layout_get_dpad_rotation(qemulator_get_layout(qemulator_get())));
548                    user_event_key( kcode, down );
549                }
550                else if (ev.button.button == 5)
551                {
552                    /* scroll-wheel simulates DPad down */
553                    AndroidKeyCode  kcode;
554
555                    kcode = // qemulator_rotate_keycode(kKeyCodeDpadDown);
556                        android_keycode_rotate(kKeyCodeDpadDown,
557                            skin_layout_get_dpad_rotation(qemulator_get_layout(qemulator_get())));
558                    user_event_key( kcode, down );
559                }
560                else if (ev.button.button == SDL_BUTTON_LEFT) {
561                    skin_window_process_event( window, &ev );
562                }
563#if 0
564                else {
565                fprintf(stderr, "... mouse button %s: button=%d state=%04x x=%d y=%d\n",
566                                down ? "down" : "up  ",
567                                ev.button.button, ev.button.state, ev.button.x, ev.button.y);
568                }
569#endif
570            }
571            break;
572
573        case SDL_QUIT:
574#if defined _WIN32 || defined __APPLE__
575        CleanExit:
576#endif
577            /* only save emulator config through clean exit */
578            qemulator_done(qemulator_get());
579            qemu_system_shutdown_request();
580            return;
581        }
582    }
583
584    skin_keyboard_flush( keyboard );
585}
586
587/*
588 * android/console.c helper routines.
589 */
590
591SkinKeyboard*
592android_emulator_get_keyboard(void)
593{
594    return qemulator->keyboard;
595}
596
597void
598android_emulator_set_window_scale(double  scale, int  is_dpi)
599{
600    QEmulator*  emulator = qemulator;
601
602    if (is_dpi)
603        scale /= get_device_dpi( emulator->opts );
604
605    if (emulator->window)
606        skin_window_set_scale( emulator->window, scale );
607}
608
609
610void
611android_emulator_set_base_port( int  port )
612{
613    /* Base port is already set in the emulator's core. */
614    qemulator_set_title(qemulator);
615}
616