configuration.h revision 8df483c1fdb4926fb16a584f0342a0492aab63ac
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
23extern "C" {
24#endif
25
26struct AConfiguration;
27typedef struct AConfiguration AConfiguration;
28
29enum {
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_NONE = 0xffff,
49
50    ACONFIGURATION_KEYBOARD_ANY  = 0x0000,
51    ACONFIGURATION_KEYBOARD_NOKEYS  = 0x0001,
52    ACONFIGURATION_KEYBOARD_QWERTY  = 0x0002,
53    ACONFIGURATION_KEYBOARD_12KEY  = 0x0003,
54
55    ACONFIGURATION_NAVIGATION_ANY  = 0x0000,
56    ACONFIGURATION_NAVIGATION_NONAV  = 0x0001,
57    ACONFIGURATION_NAVIGATION_DPAD  = 0x0002,
58    ACONFIGURATION_NAVIGATION_TRACKBALL  = 0x0003,
59    ACONFIGURATION_NAVIGATION_WHEEL  = 0x0004,
60
61    ACONFIGURATION_KEYSHIDDEN_ANY = 0x0000,
62    ACONFIGURATION_KEYSHIDDEN_NO = 0x0001,
63    ACONFIGURATION_KEYSHIDDEN_YES = 0x0002,
64    ACONFIGURATION_KEYSHIDDEN_SOFT = 0x0003,
65
66    ACONFIGURATION_NAVHIDDEN_ANY = 0x0000,
67    ACONFIGURATION_NAVHIDDEN_NO = 0x0001,
68    ACONFIGURATION_NAVHIDDEN_YES = 0x0002,
69
70    ACONFIGURATION_SCREENSIZE_ANY  = 0x00,
71    ACONFIGURATION_SCREENSIZE_SMALL = 0x01,
72    ACONFIGURATION_SCREENSIZE_NORMAL = 0x02,
73    ACONFIGURATION_SCREENSIZE_LARGE = 0x03,
74    ACONFIGURATION_SCREENSIZE_XLARGE = 0x04,
75
76    ACONFIGURATION_SCREENLONG_ANY = 0x00,
77    ACONFIGURATION_SCREENLONG_NO = 0x1,
78    ACONFIGURATION_SCREENLONG_YES = 0x2,
79
80    ACONFIGURATION_UI_MODE_TYPE_ANY = 0x00,
81    ACONFIGURATION_UI_MODE_TYPE_NORMAL = 0x01,
82    ACONFIGURATION_UI_MODE_TYPE_DESK = 0x02,
83    ACONFIGURATION_UI_MODE_TYPE_CAR = 0x03,
84    ACONFIGURATION_UI_MODE_TYPE_TELEVISION = 0x04,
85    ACONFIGURATION_UI_MODE_TYPE_APPLIANCE = 0x05,
86
87    ACONFIGURATION_UI_MODE_NIGHT_ANY = 0x00,
88    ACONFIGURATION_UI_MODE_NIGHT_NO = 0x1,
89    ACONFIGURATION_UI_MODE_NIGHT_YES = 0x2,
90
91    ACONFIGURATION_SCREEN_WIDTH_DP_ANY = 0x0000,
92
93    ACONFIGURATION_SCREEN_HEIGHT_DP_ANY = 0x0000,
94
95    ACONFIGURATION_SMALLEST_SCREEN_WIDTH_DP_ANY = 0x0000,
96
97    ACONFIGURATION_LAYOUTDIR_ANY  = 0x00,
98    ACONFIGURATION_LAYOUTDIR_LTR  = 0x01,
99    ACONFIGURATION_LAYOUTDIR_RTL  = 0x02,
100
101    ACONFIGURATION_MCC = 0x0001,
102    ACONFIGURATION_MNC = 0x0002,
103    ACONFIGURATION_LOCALE = 0x0004,
104    ACONFIGURATION_TOUCHSCREEN = 0x0008,
105    ACONFIGURATION_KEYBOARD = 0x0010,
106    ACONFIGURATION_KEYBOARD_HIDDEN = 0x0020,
107    ACONFIGURATION_NAVIGATION = 0x0040,
108    ACONFIGURATION_ORIENTATION = 0x0080,
109    ACONFIGURATION_DENSITY = 0x0100,
110    ACONFIGURATION_SCREEN_SIZE = 0x0200,
111    ACONFIGURATION_VERSION = 0x0400,
112    ACONFIGURATION_SCREEN_LAYOUT = 0x0800,
113    ACONFIGURATION_UI_MODE = 0x1000,
114    ACONFIGURATION_SMALLEST_SCREEN_SIZE = 0x2000,
115    ACONFIGURATION_LAYOUTDIR = 0x4000,
116
117    ACONFIGURATION_MNC_ZERO = 0xffff,
118};
119
120/**
121 * Create a new AConfiguration, initialized with no values set.
122 */
123AConfiguration* AConfiguration_new();
124
125/**
126 * Free an AConfiguration that was previously created with
127 * AConfiguration_new().
128 */
129void AConfiguration_delete(AConfiguration* config);
130
131/**
132 * Create and return a new AConfiguration based on the current configuration in
133 * use in the given AssetManager.
134 */
135void AConfiguration_fromAssetManager(AConfiguration* out, AAssetManager* am);
136
137/**
138 * Copy the contents of 'src' to 'dest'.
139 */
140void AConfiguration_copy(AConfiguration* dest, AConfiguration* src);
141
142/**
143 * Return the current MCC set in the configuration.  0 if not set.
144 */
145int32_t AConfiguration_getMcc(AConfiguration* config);
146
147/**
148 * Set the current MCC in the configuration.  0 to clear.
149 */
150void AConfiguration_setMcc(AConfiguration* config, int32_t mcc);
151
152/**
153 * Return the current MNC set in the configuration.  0 if not set.
154 */
155int32_t AConfiguration_getMnc(AConfiguration* config);
156
157/**
158 * Set the current MNC in the configuration.  0 to clear.
159 */
160void AConfiguration_setMnc(AConfiguration* config, int32_t mnc);
161
162/**
163 * Return the current language code set in the configuration.  The output will
164 * be filled with an array of two characters.  They are not 0-terminated.  If
165 * a language is not set, they will be 0.
166 */
167void AConfiguration_getLanguage(AConfiguration* config, char* outLanguage);
168
169/**
170 * Set the current language code in the configuration, from the first two
171 * characters in the string.
172 */
173void AConfiguration_setLanguage(AConfiguration* config, const char* language);
174
175/**
176 * Return the current country code set in the configuration.  The output will
177 * be filled with an array of two characters.  They are not 0-terminated.  If
178 * a country is not set, they will be 0.
179 */
180void AConfiguration_getCountry(AConfiguration* config, char* outCountry);
181
182/**
183 * Set the current country code in the configuration, from the first two
184 * characters in the string.
185 */
186void AConfiguration_setCountry(AConfiguration* config, const char* country);
187
188/**
189 * Return the current ACONFIGURATION_ORIENTATION_* set in the configuration.
190 */
191int32_t AConfiguration_getOrientation(AConfiguration* config);
192
193/**
194 * Set the current orientation in the configuration.
195 */
196void AConfiguration_setOrientation(AConfiguration* config, int32_t orientation);
197
198/**
199 * Return the current ACONFIGURATION_TOUCHSCREEN_* set in the configuration.
200 */
201int32_t AConfiguration_getTouchscreen(AConfiguration* config);
202
203/**
204 * Set the current touchscreen in the configuration.
205 */
206void AConfiguration_setTouchscreen(AConfiguration* config, int32_t touchscreen);
207
208/**
209 * Return the current ACONFIGURATION_DENSITY_* set in the configuration.
210 */
211int32_t AConfiguration_getDensity(AConfiguration* config);
212
213/**
214 * Set the current density in the configuration.
215 */
216void AConfiguration_setDensity(AConfiguration* config, int32_t density);
217
218/**
219 * Return the current ACONFIGURATION_KEYBOARD_* set in the configuration.
220 */
221int32_t AConfiguration_getKeyboard(AConfiguration* config);
222
223/**
224 * Set the current keyboard in the configuration.
225 */
226void AConfiguration_setKeyboard(AConfiguration* config, int32_t keyboard);
227
228/**
229 * Return the current ACONFIGURATION_NAVIGATION_* set in the configuration.
230 */
231int32_t AConfiguration_getNavigation(AConfiguration* config);
232
233/**
234 * Set the current navigation in the configuration.
235 */
236void AConfiguration_setNavigation(AConfiguration* config, int32_t navigation);
237
238/**
239 * Return the current ACONFIGURATION_KEYSHIDDEN_* set in the configuration.
240 */
241int32_t AConfiguration_getKeysHidden(AConfiguration* config);
242
243/**
244 * Set the current keys hidden in the configuration.
245 */
246void AConfiguration_setKeysHidden(AConfiguration* config, int32_t keysHidden);
247
248/**
249 * Return the current ACONFIGURATION_NAVHIDDEN_* set in the configuration.
250 */
251int32_t AConfiguration_getNavHidden(AConfiguration* config);
252
253/**
254 * Set the current nav hidden in the configuration.
255 */
256void AConfiguration_setNavHidden(AConfiguration* config, int32_t navHidden);
257
258/**
259 * Return the current SDK (API) version set in the configuration.
260 */
261int32_t AConfiguration_getSdkVersion(AConfiguration* config);
262
263/**
264 * Set the current SDK version in the configuration.
265 */
266void AConfiguration_setSdkVersion(AConfiguration* config, int32_t sdkVersion);
267
268/**
269 * Return the current ACONFIGURATION_SCREENSIZE_* set in the configuration.
270 */
271int32_t AConfiguration_getScreenSize(AConfiguration* config);
272
273/**
274 * Set the current screen size in the configuration.
275 */
276void AConfiguration_setScreenSize(AConfiguration* config, int32_t screenSize);
277
278/**
279 * Return the current ACONFIGURATION_SCREENLONG_* set in the configuration.
280 */
281int32_t AConfiguration_getScreenLong(AConfiguration* config);
282
283/**
284 * Set the current screen long in the configuration.
285 */
286void AConfiguration_setScreenLong(AConfiguration* config, int32_t screenLong);
287
288/**
289 * Return the current ACONFIGURATION_UI_MODE_TYPE_* set in the configuration.
290 */
291int32_t AConfiguration_getUiModeType(AConfiguration* config);
292
293/**
294 * Set the current UI mode type in the configuration.
295 */
296void AConfiguration_setUiModeType(AConfiguration* config, int32_t uiModeType);
297
298/**
299 * Return the current ACONFIGURATION_UI_MODE_NIGHT_* set in the configuration.
300 */
301int32_t AConfiguration_getUiModeNight(AConfiguration* config);
302
303/**
304 * Set the current UI mode night in the configuration.
305 */
306void AConfiguration_setUiModeNight(AConfiguration* config, int32_t uiModeNight);
307
308/**
309 * Return the current configuration screen width in dp units, or
310 * ACONFIGURATION_SCREEN_WIDTH_DP_ANY if not set.
311 */
312int32_t AConfiguration_getScreenWidthDp(AConfiguration* config);
313
314/**
315 * Set the configuration's current screen width in dp units.
316 */
317void AConfiguration_setScreenWidthDp(AConfiguration* config, int32_t value);
318
319/**
320 * Return the current configuration screen height in dp units, or
321 * ACONFIGURATION_SCREEN_HEIGHT_DP_ANY if not set.
322 */
323int32_t AConfiguration_getScreenHeightDp(AConfiguration* config);
324
325/**
326 * Set the configuration's current screen width in dp units.
327 */
328void AConfiguration_setScreenHeightDp(AConfiguration* config, int32_t value);
329
330/**
331 * Return the configuration's smallest screen width in dp units, or
332 * ACONFIGURATION_SMALLEST_SCREEN_WIDTH_DP_ANY if not set.
333 */
334int32_t AConfiguration_getSmallestScreenWidthDp(AConfiguration* config);
335
336/**
337 * Set the configuration's smallest screen width in dp units.
338 */
339void AConfiguration_setSmallestScreenWidthDp(AConfiguration* config, int32_t value);
340
341/**
342 * Return the configuration's layout direction, or
343 * ACONFIGURATION_LAYOUTDIR_ANY if not set.
344 */
345int32_t AConfiguration_getLayoutDirection(AConfiguration* config);
346
347/**
348 * Set the configuration's layout direction.
349 */
350void AConfiguration_setLayoutDirection(AConfiguration* config, int32_t value);
351
352/**
353 * Perform a diff between two configurations.  Returns a bit mask of
354 * ACONFIGURATION_* constants, each bit set meaning that configuration element
355 * is different between them.
356 */
357int32_t AConfiguration_diff(AConfiguration* config1, AConfiguration* config2);
358
359/**
360 * Determine whether 'base' is a valid configuration for use within the
361 * environment 'requested'.  Returns 0 if there are any values in 'base'
362 * that conflict with 'requested'.  Returns 1 if it does not conflict.
363 */
364int32_t AConfiguration_match(AConfiguration* base, AConfiguration* requested);
365
366/**
367 * Determine whether the configuration in 'test' is better than the existing
368 * configuration in 'base'.  If 'requested' is non-NULL, this decision is based
369 * on the overall configuration given there.  If it is NULL, this decision is
370 * simply based on which configuration is more specific.  Returns non-0 if
371 * 'test' is better than 'base'.
372 *
373 * This assumes you have already filtered the configurations with
374 * AConfiguration_match().
375 */
376int32_t AConfiguration_isBetterThan(AConfiguration* base, AConfiguration* test,
377        AConfiguration* requested);
378
379#ifdef __cplusplus
380};
381#endif
382
383#endif // ANDROID_CONFIGURATION_H
384