apps/gui/usb_screen.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 Björn Stenberg
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #include <stdio.h>
  23 #include <stdbool.h>
  24 #include "action.h"
  25 #include "font.h"
  26 #ifdef HAVE_REMOTE_LCD
  27 #include "lcd-remote.h"
  28 #endif
  29 #include "lang.h"
  30 #include "usb.h"
  31 #if defined(HAVE_USBSTACK)
  32 #include "usb_core.h"
  33 #ifdef USB_ENABLE_HID
  34 #include "usb_keymaps.h"
  35 #endif
  36 #endif
  37 #include "settings.h"
  38 #include "led.h"
  39 #include "appevents.h"
  40 #include "usb_screen.h"
  41
  42 #ifdef HAVE_LCD_BITMAP
  43 #include "bitmaps/usblogo.h"
  44 #include "skin_engine/skin_fonts.h"
  45 #endif
  46
  47 #ifdef HAVE_REMOTE_LCD
  48 #include "bitmaps/remote_usblogo.h"
  49 #endif
  50
  51 #if (CONFIG_STORAGE & STORAGE_MMC)
  52 #include "ata_mmc.h"
  53 #endif
  54
  55 #ifdef USB_ENABLE_HID
  56 int usb_keypad_mode;
  57 static bool usb_hid;
  58 #endif
  59
  60 #ifndef SIMULATOR
  61
  62 static int handle_usb_events(void)
  63 {
  64 #if (CONFIG_STORAGE & STORAGE_MMC)
  65     int next_update=0;
  66 #endif /* STORAGE_MMC */
  67
  68     /* Don't return until we get SYS_USB_DISCONNECTED or SYS_TIMEOUT */
  69     while(1)
  70     {
  71         int button;
  72 #ifdef USB_ENABLE_HID
  73         if (usb_hid)
  74         {
  75             button = get_hid_usb_action();
  76
  77             /* On mode change, we need to refresh the screen */
  78             if (button == ACTION_USB_HID_MODE_SWITCH_NEXT ||
  79                     button == ACTION_USB_HID_MODE_SWITCH_PREV)
  80             {
  81                 break;
  82             }
  83         }
  84         else
  85 #endif
  86         {
  87             button = button_get_w_tmo(HZ/2);
  88             /* hid emits the event in get_action */
  89             send_event(GUI_EVENT_ACTIONUPDATE, NULL);
  90         }
  91
  92         switch(button)
  93         {
  94             case SYS_USB_DISCONNECTED:
  95                 usb_acknowledge(SYS_USB_DISCONNECTED_ACK);
  96                 return 1;
  97             case SYS_CHARGER_DISCONNECTED:
  98                 /*reset rockbox battery runtime*/
  99                 global_status.runtime = 0;
 100                 break;
 101             case SYS_TIMEOUT:
 102                 break;
 103         }
 104
 105 #if (CONFIG_STORAGE & STORAGE_MMC) /* USB-MMC bridge can report activity */
 106         if(TIME_AFTER(current_tick,next_update))
 107         {
 108             if(usb_inserted()) {
 109                 led(mmc_usb_active(HZ));
 110             }
 111             next_update=current_tick+HZ/2;
 112         }
 113 #endif /* STORAGE_MMC */
 114     }
 115
 116     return 0;
 117 }
 118 #endif /* SIMULATOR */
 119
 120 #define MODE_NAME_LEN 32
 121
 122 struct usb_screen_vps_t
 123 {
 124     struct viewport parent;
 125 #ifdef HAVE_LCD_BITMAP
 126     struct viewport logo;
 127 #ifdef USB_ENABLE_HID
 128     struct viewport title;
 129 #endif
 130 #endif
 131 };
 132
 133 #ifdef HAVE_LCD_BITMAP
 134 static void usb_screen_fix_viewports(struct screen *screen,
 135         struct usb_screen_vps_t *usb_screen_vps)
 136 {
 137     bool disable = true;
 138     int logo_width, logo_height;
 139     struct viewport *parent = &usb_screen_vps->parent;
 140     struct viewport *logo = &usb_screen_vps->logo;
 141
 142 #ifdef HAVE_REMOTE_LCD
 143     if (screen->screen_type == SCREEN_REMOTE)
 144     {
 145         logo_width = BMPWIDTH_remote_usblogo;
 146         logo_height = BMPHEIGHT_remote_usblogo;
 147     }
 148     else
 149 #endif
 150     {
 151         logo_width = BMPWIDTH_usblogo;
 152         logo_height = BMPHEIGHT_usblogo;
 153     }
 154
 155     viewport_set_defaults(parent, screen->screen_type);
 156     disable = (parent->width < logo_width || parent->height < logo_height);
 157     viewportmanager_theme_enable(screen->screen_type, !disable, parent);
 158     screen->clear_display();
 159     screen->stop_scroll();
 160
 161     *logo = *parent;
 162     logo->x = parent->x + parent->width - logo_width;
 163     logo->y = parent->y + (parent->height - logo_height) / 2;
 164     logo->width = logo_width;
 165     logo->height = logo_height;
 166
 167 #ifdef USB_ENABLE_HID
 168     if (usb_hid)
 169     {
 170         struct viewport *title = &usb_screen_vps->title;
 171         int char_height = font_get(parent->font)->height;
 172         *title = *parent;
 173         title->y = logo->y + logo->height + char_height;
 174         title->height = char_height;
 175         /* try to fit logo and title to parent */
 176         if (parent->y + parent->height < title->y + title->height)
 177         {
 178             logo->y = parent->y;
 179             title->y = parent->y + logo->height;
 180         }
 181     }
 182 #endif
 183 }
 184 #endif
 185
 186 static void usb_screens_draw(struct usb_screen_vps_t *usb_screen_vps_ar)
 187 {
 188     int i;
 189     FOR_NB_SCREENS(i)
 190     {
 191         struct screen *screen = &screens[i];
 192
 193         struct usb_screen_vps_t *usb_screen_vps = &usb_screen_vps_ar[i];
 194         struct viewport *parent = &usb_screen_vps->parent;
 195 #ifdef HAVE_LCD_BITMAP
 196         struct viewport *logo = &usb_screen_vps->logo;
 197 #endif
 198
 199         screen->set_viewport(parent);
 200         screen->clear_viewport();
 201         screen->backlight_on();
 202
 203 #ifdef HAVE_LCD_BITMAP
 204         screen->set_viewport(logo);
 205 #ifdef HAVE_REMOTE_LCD
 206         if (i == SCREEN_REMOTE)
 207         {
 208             screen->bitmap(remote_usblogo, 0, 0, logo->width,
 209                 logo->height);
 210         }
 211         else
 212 #endif
 213         {
 214             screen->transparent_bitmap(usblogo, 0, 0, logo->width,
 215                 logo->height);
 216 #ifdef USB_ENABLE_HID
 217             if (usb_hid)
 218             {
 219                 char modestring[100];
 220                 screen->set_viewport(&usb_screen_vps->title);
 221                 usb_screen_vps->title.flags |= VP_FLAG_ALIGN_CENTER;
 222                 snprintf(modestring, sizeof(modestring), "%s: %s",
 223                         str(LANG_USB_KEYPAD_MODE),
 224                         str(keypad_mode_name_get()));
 225                 screen->puts_scroll(0, 0, modestring);
 226             }
 227 #endif /* USB_ENABLE_HID */
 228         }
 229         screen->set_viewport(parent);
 230
 231 #else /* HAVE_LCD_BITMAP */
 232         screen->double_height(false);
 233         screen->puts_scroll(0, 0, "[USB Mode]");
 234         status_set_param(false);
 235         status_set_audio(false);
 236         status_set_usb(true);
 237 #endif /* HAVE_LCD_BITMAP */
 238
 239         screen->set_viewport(NULL);
 240         screen->update_viewport();
 241     }
 242 }
 243
 244 void gui_usb_screen_run(void)
 245 {
 246     int i;
 247     struct usb_screen_vps_t usb_screen_vps_ar[NB_SCREENS];
 248 #if defined HAVE_TOUCHSCREEN
 249     enum touchscreen_mode old_mode = touchscreen_get_mode();
 250
 251     /* TODO: Paint buttons on screens OR switch to point mode and use
 252      * touchscreen as a touchpad to move the host's mouse cursor */
 253     touchscreen_set_mode(TOUCHSCREEN_BUTTON);
 254 #endif
 255
 256 #ifndef SIMULATOR
 257     usb_acknowledge(SYS_USB_CONNECTED_ACK);
 258 #endif
 259
 260 #ifdef USB_ENABLE_HID
 261     usb_hid = global_settings.usb_hid;
 262     usb_keypad_mode = global_settings.usb_keypad_mode;
 263 #endif
 264
 265     /* The font system leaves the .fnt fd's open, so we need for force close them all */
 266 #ifdef HAVE_LCD_BITMAP
 267     font_reset(NULL);
 268 #ifdef HAVE_REMOTE_LCD
 269     font_load_remoteui(NULL);
 270 #endif
 271     skin_font_init(); /* unload all the skin fonts */
 272 #endif
 273     FOR_NB_SCREENS(i)
 274     {
 275         struct screen *screen = &screens[i];
 276
 277         screen->set_viewport(NULL);
 278 #ifdef HAVE_LCD_CHARCELLS
 279         /* Quick fix. Viewports should really be enabled proper for charcell */
 280         viewport_set_defaults(&usb_screen_vps_ar[i].parent, i);
 281 #else
 282         usb_screen_fix_viewports(screen, &usb_screen_vps_ar[i]);
 283 #endif
 284     }
 285
 286     while (1)
 287     {
 288         usb_screens_draw(usb_screen_vps_ar);
 289 #ifdef SIMULATOR
 290         if (button_get_w_tmo(HZ/2))
 291             break;
 292         send_event(GUI_EVENT_ACTIONUPDATE, NULL);
 293 #else
 294         if (handle_usb_events())
 295             break;
 296 #endif /* SIMULATOR */
 297     }
 298
 299     FOR_NB_SCREENS(i)
 300     {
 301         const struct viewport* vp = NULL;
 302
 303 #if defined(HAVE_LCD_BITMAP) && defined(USB_ENABLE_HID)
 304         vp = usb_hid ? &usb_screen_vps_ar[i].title : NULL;
 305 #elif !defined(HAVE_LCD_BITMAP)
 306         vp = &usb_screen_vps_ar[i].parent;
 307 #endif
 308         if (vp)
 309             screens[i].scroll_stop(vp);
 310     }
 311 #ifdef USB_ENABLE_HID
 312     if (global_settings.usb_keypad_mode != usb_keypad_mode)
 313     {
 314         global_settings.usb_keypad_mode = usb_keypad_mode;
 315         settings_save();
 316     }
 317 #endif
 318
 319 #ifdef HAVE_TOUCHSCREEN
 320     touchscreen_set_mode(old_mode);
 321 #endif
 322
 323 #ifdef HAVE_LCD_CHARCELLS
 324     status_set_usb(false);
 325 #endif /* HAVE_LCD_CHARCELLS */
 326 #ifdef HAVE_LCD_BITMAP
 327     /* Not pretty, reload all settings so fonts are loaded again correctly */
 328     settings_apply(true);
 329     settings_apply_skins();
 330 #endif
 331
 332     FOR_NB_SCREENS(i)
 333     {
 334         screens[i].backlight_on();
 335         viewportmanager_theme_undo(i, false);
 336     }
 337
 338 }
 339