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      1 /*
      2  * Copyright (C) 2010 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 #ifndef ANDROID_CONFIGURATION_H
     18 #define ANDROID_CONFIGURATION_H
     19 
     20 #include <android/asset_manager.h>
     21 
     22 #ifdef __cplusplus
     23 extern "C" {
     24 #endif
     25 
     26 struct AConfiguration;
     27 typedef struct AConfiguration AConfiguration;
     28 
     29 enum {
     30     ACONFIGURATION_ORIENTATION_ANY  = 0x0000,
     31     ACONFIGURATION_ORIENTATION_PORT = 0x0001,
     32     ACONFIGURATION_ORIENTATION_LAND = 0x0002,
     33     ACONFIGURATION_ORIENTATION_SQUARE = 0x0003,
     34 
     35     ACONFIGURATION_TOUCHSCREEN_ANY  = 0x0000,
     36     ACONFIGURATION_TOUCHSCREEN_NOTOUCH  = 0x0001,
     37     ACONFIGURATION_TOUCHSCREEN_STYLUS  = 0x0002,
     38     ACONFIGURATION_TOUCHSCREEN_FINGER  = 0x0003,
     39 
     40     ACONFIGURATION_DENSITY_DEFAULT = 0,
     41     ACONFIGURATION_DENSITY_LOW = 120,
     42     ACONFIGURATION_DENSITY_MEDIUM = 160,
     43     ACONFIGURATION_DENSITY_TV = 213,
     44     ACONFIGURATION_DENSITY_HIGH = 240,
     45     ACONFIGURATION_DENSITY_XHIGH = 320,
     46     ACONFIGURATION_DENSITY_XXHIGH = 480,
     47     ACONFIGURATION_DENSITY_XXXHIGH = 640,
     48     ACONFIGURATION_DENSITY_ANY = 0xfffe,
     49     ACONFIGURATION_DENSITY_NONE = 0xffff,
     50 
     51     ACONFIGURATION_KEYBOARD_ANY  = 0x0000,
     52     ACONFIGURATION_KEYBOARD_NOKEYS  = 0x0001,
     53     ACONFIGURATION_KEYBOARD_QWERTY  = 0x0002,
     54     ACONFIGURATION_KEYBOARD_12KEY  = 0x0003,
     55 
     56     ACONFIGURATION_NAVIGATION_ANY  = 0x0000,
     57     ACONFIGURATION_NAVIGATION_NONAV  = 0x0001,
     58     ACONFIGURATION_NAVIGATION_DPAD  = 0x0002,
     59     ACONFIGURATION_NAVIGATION_TRACKBALL  = 0x0003,
     60     ACONFIGURATION_NAVIGATION_WHEEL  = 0x0004,
     61 
     62     ACONFIGURATION_KEYSHIDDEN_ANY = 0x0000,
     63     ACONFIGURATION_KEYSHIDDEN_NO = 0x0001,
     64     ACONFIGURATION_KEYSHIDDEN_YES = 0x0002,
     65     ACONFIGURATION_KEYSHIDDEN_SOFT = 0x0003,
     66 
     67     ACONFIGURATION_NAVHIDDEN_ANY = 0x0000,
     68     ACONFIGURATION_NAVHIDDEN_NO = 0x0001,
     69     ACONFIGURATION_NAVHIDDEN_YES = 0x0002,
     70 
     71     ACONFIGURATION_SCREENSIZE_ANY  = 0x00,
     72     ACONFIGURATION_SCREENSIZE_SMALL = 0x01,
     73     ACONFIGURATION_SCREENSIZE_NORMAL = 0x02,
     74     ACONFIGURATION_SCREENSIZE_LARGE = 0x03,
     75     ACONFIGURATION_SCREENSIZE_XLARGE = 0x04,
     76 
     77     ACONFIGURATION_SCREENLONG_ANY = 0x00,
     78     ACONFIGURATION_SCREENLONG_NO = 0x1,
     79     ACONFIGURATION_SCREENLONG_YES = 0x2,
     80 
     81     ACONFIGURATION_UI_MODE_TYPE_ANY = 0x00,
     82     ACONFIGURATION_UI_MODE_TYPE_NORMAL = 0x01,
     83     ACONFIGURATION_UI_MODE_TYPE_DESK = 0x02,
     84     ACONFIGURATION_UI_MODE_TYPE_CAR = 0x03,
     85     ACONFIGURATION_UI_MODE_TYPE_TELEVISION = 0x04,
     86     ACONFIGURATION_UI_MODE_TYPE_APPLIANCE = 0x05,
     87     ACONFIGURATION_UI_MODE_TYPE_WATCH = 0x06,
     88 
     89     ACONFIGURATION_UI_MODE_NIGHT_ANY = 0x00,
     90     ACONFIGURATION_UI_MODE_NIGHT_NO = 0x1,
     91     ACONFIGURATION_UI_MODE_NIGHT_YES = 0x2,
     92 
     93     ACONFIGURATION_SCREEN_WIDTH_DP_ANY = 0x0000,
     94 
     95     ACONFIGURATION_SCREEN_HEIGHT_DP_ANY = 0x0000,
     96 
     97     ACONFIGURATION_SMALLEST_SCREEN_WIDTH_DP_ANY = 0x0000,
     98 
     99     ACONFIGURATION_LAYOUTDIR_ANY  = 0x00,
    100     ACONFIGURATION_LAYOUTDIR_LTR  = 0x01,
    101     ACONFIGURATION_LAYOUTDIR_RTL  = 0x02,
    102 
    103     ACONFIGURATION_MCC = 0x0001,
    104     ACONFIGURATION_MNC = 0x0002,
    105     ACONFIGURATION_LOCALE = 0x0004,
    106     ACONFIGURATION_TOUCHSCREEN = 0x0008,
    107     ACONFIGURATION_KEYBOARD = 0x0010,
    108     ACONFIGURATION_KEYBOARD_HIDDEN = 0x0020,
    109     ACONFIGURATION_NAVIGATION = 0x0040,
    110     ACONFIGURATION_ORIENTATION = 0x0080,
    111     ACONFIGURATION_DENSITY = 0x0100,
    112     ACONFIGURATION_SCREEN_SIZE = 0x0200,
    113     ACONFIGURATION_VERSION = 0x0400,
    114     ACONFIGURATION_SCREEN_LAYOUT = 0x0800,
    115     ACONFIGURATION_UI_MODE = 0x1000,
    116     ACONFIGURATION_SMALLEST_SCREEN_SIZE = 0x2000,
    117     ACONFIGURATION_LAYOUTDIR = 0x4000,
    118 
    119     ACONFIGURATION_MNC_ZERO = 0xffff,
    120 };
    121 
    122 /**
    123  * Create a new AConfiguration, initialized with no values set.
    124  */
    125 AConfiguration* AConfiguration_new();
    126 
    127 /**
    128  * Free an AConfiguration that was previously created with
    129  * AConfiguration_new().
    130  */
    131 void AConfiguration_delete(AConfiguration* config);
    132 
    133 /**
    134  * Create and return a new AConfiguration based on the current configuration in
    135  * use in the given AssetManager.
    136  */
    137 void AConfiguration_fromAssetManager(AConfiguration* out, AAssetManager* am);
    138 
    139 /**
    140  * Copy the contents of 'src' to 'dest'.
    141  */
    142 void AConfiguration_copy(AConfiguration* dest, AConfiguration* src);
    143 
    144 /**
    145  * Return the current MCC set in the configuration.  0 if not set.
    146  */
    147 int32_t AConfiguration_getMcc(AConfiguration* config);
    148 
    149 /**
    150  * Set the current MCC in the configuration.  0 to clear.
    151  */
    152 void AConfiguration_setMcc(AConfiguration* config, int32_t mcc);
    153 
    154 /**
    155  * Return the current MNC set in the configuration.  0 if not set.
    156  */
    157 int32_t AConfiguration_getMnc(AConfiguration* config);
    158 
    159 /**
    160  * Set the current MNC in the configuration.  0 to clear.
    161  */
    162 void AConfiguration_setMnc(AConfiguration* config, int32_t mnc);
    163 
    164 /**
    165  * Return the current language code set in the configuration.  The output will
    166  * be filled with an array of two characters.  They are not 0-terminated.  If
    167  * a language is not set, they will be 0.
    168  */
    169 void AConfiguration_getLanguage(AConfiguration* config, char* outLanguage);
    170 
    171 /**
    172  * Set the current language code in the configuration, from the first two
    173  * characters in the string.
    174  */
    175 void AConfiguration_setLanguage(AConfiguration* config, const char* language);
    176 
    177 /**
    178  * Return the current country code set in the configuration.  The output will
    179  * be filled with an array of two characters.  They are not 0-terminated.  If
    180  * a country is not set, they will be 0.
    181  */
    182 void AConfiguration_getCountry(AConfiguration* config, char* outCountry);
    183 
    184 /**
    185  * Set the current country code in the configuration, from the first two
    186  * characters in the string.
    187  */
    188 void AConfiguration_setCountry(AConfiguration* config, const char* country);
    189 
    190 /**
    191  * Return the current ACONFIGURATION_ORIENTATION_* set in the configuration.
    192  */
    193 int32_t AConfiguration_getOrientation(AConfiguration* config);
    194 
    195 /**
    196  * Set the current orientation in the configuration.
    197  */
    198 void AConfiguration_setOrientation(AConfiguration* config, int32_t orientation);
    199 
    200 /**
    201  * Return the current ACONFIGURATION_TOUCHSCREEN_* set in the configuration.
    202  */
    203 int32_t AConfiguration_getTouchscreen(AConfiguration* config);
    204 
    205 /**
    206  * Set the current touchscreen in the configuration.
    207  */
    208 void AConfiguration_setTouchscreen(AConfiguration* config, int32_t touchscreen);
    209 
    210 /**
    211  * Return the current ACONFIGURATION_DENSITY_* set in the configuration.
    212  */
    213 int32_t AConfiguration_getDensity(AConfiguration* config);
    214 
    215 /**
    216  * Set the current density in the configuration.
    217  */
    218 void AConfiguration_setDensity(AConfiguration* config, int32_t density);
    219 
    220 /**
    221  * Return the current ACONFIGURATION_KEYBOARD_* set in the configuration.
    222  */
    223 int32_t AConfiguration_getKeyboard(AConfiguration* config);
    224 
    225 /**
    226  * Set the current keyboard in the configuration.
    227  */
    228 void AConfiguration_setKeyboard(AConfiguration* config, int32_t keyboard);
    229 
    230 /**
    231  * Return the current ACONFIGURATION_NAVIGATION_* set in the configuration.
    232  */
    233 int32_t AConfiguration_getNavigation(AConfiguration* config);
    234 
    235 /**
    236  * Set the current navigation in the configuration.
    237  */
    238 void AConfiguration_setNavigation(AConfiguration* config, int32_t navigation);
    239 
    240 /**
    241  * Return the current ACONFIGURATION_KEYSHIDDEN_* set in the configuration.
    242  */
    243 int32_t AConfiguration_getKeysHidden(AConfiguration* config);
    244 
    245 /**
    246  * Set the current keys hidden in the configuration.
    247  */
    248 void AConfiguration_setKeysHidden(AConfiguration* config, int32_t keysHidden);
    249 
    250 /**
    251  * Return the current ACONFIGURATION_NAVHIDDEN_* set in the configuration.
    252  */
    253 int32_t AConfiguration_getNavHidden(AConfiguration* config);
    254 
    255 /**
    256  * Set the current nav hidden in the configuration.
    257  */
    258 void AConfiguration_setNavHidden(AConfiguration* config, int32_t navHidden);
    259 
    260 /**
    261  * Return the current SDK (API) version set in the configuration.
    262  */
    263 int32_t AConfiguration_getSdkVersion(AConfiguration* config);
    264 
    265 /**
    266  * Set the current SDK version in the configuration.
    267  */
    268 void AConfiguration_setSdkVersion(AConfiguration* config, int32_t sdkVersion);
    269 
    270 /**
    271  * Return the current ACONFIGURATION_SCREENSIZE_* set in the configuration.
    272  */
    273 int32_t AConfiguration_getScreenSize(AConfiguration* config);
    274 
    275 /**
    276  * Set the current screen size in the configuration.
    277  */
    278 void AConfiguration_setScreenSize(AConfiguration* config, int32_t screenSize);
    279 
    280 /**
    281  * Return the current ACONFIGURATION_SCREENLONG_* set in the configuration.
    282  */
    283 int32_t AConfiguration_getScreenLong(AConfiguration* config);
    284 
    285 /**
    286  * Set the current screen long in the configuration.
    287  */
    288 void AConfiguration_setScreenLong(AConfiguration* config, int32_t screenLong);
    289 
    290 /**
    291  * Return the current ACONFIGURATION_UI_MODE_TYPE_* set in the configuration.
    292  */
    293 int32_t AConfiguration_getUiModeType(AConfiguration* config);
    294 
    295 /**
    296  * Set the current UI mode type in the configuration.
    297  */
    298 void AConfiguration_setUiModeType(AConfiguration* config, int32_t uiModeType);
    299 
    300 /**
    301  * Return the current ACONFIGURATION_UI_MODE_NIGHT_* set in the configuration.
    302  */
    303 int32_t AConfiguration_getUiModeNight(AConfiguration* config);
    304 
    305 /**
    306  * Set the current UI mode night in the configuration.
    307  */
    308 void AConfiguration_setUiModeNight(AConfiguration* config, int32_t uiModeNight);
    309 
    310 /**
    311  * Return the current configuration screen width in dp units, or
    312  * ACONFIGURATION_SCREEN_WIDTH_DP_ANY if not set.
    313  */
    314 int32_t AConfiguration_getScreenWidthDp(AConfiguration* config);
    315 
    316 /**
    317  * Set the configuration's current screen width in dp units.
    318  */
    319 void AConfiguration_setScreenWidthDp(AConfiguration* config, int32_t value);
    320 
    321 /**
    322  * Return the current configuration screen height in dp units, or
    323  * ACONFIGURATION_SCREEN_HEIGHT_DP_ANY if not set.
    324  */
    325 int32_t AConfiguration_getScreenHeightDp(AConfiguration* config);
    326 
    327 /**
    328  * Set the configuration's current screen width in dp units.
    329  */
    330 void AConfiguration_setScreenHeightDp(AConfiguration* config, int32_t value);
    331 
    332 /**
    333  * Return the configuration's smallest screen width in dp units, or
    334  * ACONFIGURATION_SMALLEST_SCREEN_WIDTH_DP_ANY if not set.
    335  */
    336 int32_t AConfiguration_getSmallestScreenWidthDp(AConfiguration* config);
    337 
    338 /**
    339  * Set the configuration's smallest screen width in dp units.
    340  */
    341 void AConfiguration_setSmallestScreenWidthDp(AConfiguration* config, int32_t value);
    342 
    343 /**
    344  * Return the configuration's layout direction, or
    345  * ACONFIGURATION_LAYOUTDIR_ANY if not set.
    346  */
    347 int32_t AConfiguration_getLayoutDirection(AConfiguration* config);
    348 
    349 /**
    350  * Set the configuration's layout direction.
    351  */
    352 void AConfiguration_setLayoutDirection(AConfiguration* config, int32_t value);
    353 
    354 /**
    355  * Perform a diff between two configurations.  Returns a bit mask of
    356  * ACONFIGURATION_* constants, each bit set meaning that configuration element
    357  * is different between them.
    358  */
    359 int32_t AConfiguration_diff(AConfiguration* config1, AConfiguration* config2);
    360 
    361 /**
    362  * Determine whether 'base' is a valid configuration for use within the
    363  * environment 'requested'.  Returns 0 if there are any values in 'base'
    364  * that conflict with 'requested'.  Returns 1 if it does not conflict.
    365  */
    366 int32_t AConfiguration_match(AConfiguration* base, AConfiguration* requested);
    367 
    368 /**
    369  * Determine whether the configuration in 'test' is better than the existing
    370  * configuration in 'base'.  If 'requested' is non-NULL, this decision is based
    371  * on the overall configuration given there.  If it is NULL, this decision is
    372  * simply based on which configuration is more specific.  Returns non-0 if
    373  * 'test' is better than 'base'.
    374  *
    375  * This assumes you have already filtered the configurations with
    376  * AConfiguration_match().
    377  */
    378 int32_t AConfiguration_isBetterThan(AConfiguration* base, AConfiguration* test,
    379         AConfiguration* requested);
    380 
    381 #ifdef __cplusplus
    382 };
    383 #endif
    384 
    385 #endif // ANDROID_CONFIGURATION_H
    386