configuration.h revision 6303d06ece8597e7508663b699e614e4ce0d8f9e
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
118/**
119 * Create a new AConfiguration, initialized with no values set.
120 */
121AConfiguration* AConfiguration_new();
122
123/**
124 * Free an AConfiguration that was previously created with
125 * AConfiguration_new().
126 */
127void AConfiguration_delete(AConfiguration* config);
128
129/**
130 * Create and return a new AConfiguration based on the current configuration in
131 * use in the given AssetManager.
132 */
133void AConfiguration_fromAssetManager(AConfiguration* out, AAssetManager* am);
134
135/**
136 * Copy the contents of 'src' to 'dest'.
137 */
138void AConfiguration_copy(AConfiguration* dest, AConfiguration* src);
139
140/**
141 * Return the current MCC set in the configuration.  0 if not set.
142 */
143int32_t AConfiguration_getMcc(AConfiguration* config);
144
145/**
146 * Set the current MCC in the configuration.  0 to clear.
147 */
148void AConfiguration_setMcc(AConfiguration* config, int32_t mcc);
149
150/**
151 * Return the current MNC set in the configuration.  0 if not set.
152 */
153int32_t AConfiguration_getMnc(AConfiguration* config);
154
155/**
156 * Set the current MNC in the configuration.  0 to clear.
157 */
158void AConfiguration_setMnc(AConfiguration* config, int32_t mnc);
159
160/**
161 * Return the current language code set in the configuration.  The output will
162 * be filled with an array of two characters.  They are not 0-terminated.  If
163 * a language is not set, they will be 0.
164 */
165void AConfiguration_getLanguage(AConfiguration* config, char* outLanguage);
166
167/**
168 * Set the current language code in the configuration, from the first two
169 * characters in the string.
170 */
171void AConfiguration_setLanguage(AConfiguration* config, const char* language);
172
173/**
174 * Return the current country code set in the configuration.  The output will
175 * be filled with an array of two characters.  They are not 0-terminated.  If
176 * a country is not set, they will be 0.
177 */
178void AConfiguration_getCountry(AConfiguration* config, char* outCountry);
179
180/**
181 * Set the current country code in the configuration, from the first two
182 * characters in the string.
183 */
184void AConfiguration_setCountry(AConfiguration* config, const char* country);
185
186/**
187 * Return the current ACONFIGURATION_ORIENTATION_* set in the configuration.
188 */
189int32_t AConfiguration_getOrientation(AConfiguration* config);
190
191/**
192 * Set the current orientation in the configuration.
193 */
194void AConfiguration_setOrientation(AConfiguration* config, int32_t orientation);
195
196/**
197 * Return the current ACONFIGURATION_TOUCHSCREEN_* set in the configuration.
198 */
199int32_t AConfiguration_getTouchscreen(AConfiguration* config);
200
201/**
202 * Set the current touchscreen in the configuration.
203 */
204void AConfiguration_setTouchscreen(AConfiguration* config, int32_t touchscreen);
205
206/**
207 * Return the current ACONFIGURATION_DENSITY_* set in the configuration.
208 */
209int32_t AConfiguration_getDensity(AConfiguration* config);
210
211/**
212 * Set the current density in the configuration.
213 */
214void AConfiguration_setDensity(AConfiguration* config, int32_t density);
215
216/**
217 * Return the current ACONFIGURATION_KEYBOARD_* set in the configuration.
218 */
219int32_t AConfiguration_getKeyboard(AConfiguration* config);
220
221/**
222 * Set the current keyboard in the configuration.
223 */
224void AConfiguration_setKeyboard(AConfiguration* config, int32_t keyboard);
225
226/**
227 * Return the current ACONFIGURATION_NAVIGATION_* set in the configuration.
228 */
229int32_t AConfiguration_getNavigation(AConfiguration* config);
230
231/**
232 * Set the current navigation in the configuration.
233 */
234void AConfiguration_setNavigation(AConfiguration* config, int32_t navigation);
235
236/**
237 * Return the current ACONFIGURATION_KEYSHIDDEN_* set in the configuration.
238 */
239int32_t AConfiguration_getKeysHidden(AConfiguration* config);
240
241/**
242 * Set the current keys hidden in the configuration.
243 */
244void AConfiguration_setKeysHidden(AConfiguration* config, int32_t keysHidden);
245
246/**
247 * Return the current ACONFIGURATION_NAVHIDDEN_* set in the configuration.
248 */
249int32_t AConfiguration_getNavHidden(AConfiguration* config);
250
251/**
252 * Set the current nav hidden in the configuration.
253 */
254void AConfiguration_setNavHidden(AConfiguration* config, int32_t navHidden);
255
256/**
257 * Return the current SDK (API) version set in the configuration.
258 */
259int32_t AConfiguration_getSdkVersion(AConfiguration* config);
260
261/**
262 * Set the current SDK version in the configuration.
263 */
264void AConfiguration_setSdkVersion(AConfiguration* config, int32_t sdkVersion);
265
266/**
267 * Return the current ACONFIGURATION_SCREENSIZE_* set in the configuration.
268 */
269int32_t AConfiguration_getScreenSize(AConfiguration* config);
270
271/**
272 * Set the current screen size in the configuration.
273 */
274void AConfiguration_setScreenSize(AConfiguration* config, int32_t screenSize);
275
276/**
277 * Return the current ACONFIGURATION_SCREENLONG_* set in the configuration.
278 */
279int32_t AConfiguration_getScreenLong(AConfiguration* config);
280
281/**
282 * Set the current screen long in the configuration.
283 */
284void AConfiguration_setScreenLong(AConfiguration* config, int32_t screenLong);
285
286/**
287 * Return the current ACONFIGURATION_UI_MODE_TYPE_* set in the configuration.
288 */
289int32_t AConfiguration_getUiModeType(AConfiguration* config);
290
291/**
292 * Set the current UI mode type in the configuration.
293 */
294void AConfiguration_setUiModeType(AConfiguration* config, int32_t uiModeType);
295
296/**
297 * Return the current ACONFIGURATION_UI_MODE_NIGHT_* set in the configuration.
298 */
299int32_t AConfiguration_getUiModeNight(AConfiguration* config);
300
301/**
302 * Set the current UI mode night in the configuration.
303 */
304void AConfiguration_setUiModeNight(AConfiguration* config, int32_t uiModeNight);
305
306/**
307 * Return the current configuration screen width in dp units, or
308 * ACONFIGURATION_SCREEN_WIDTH_DP_ANY if not set.
309 */
310int32_t AConfiguration_getScreenWidthDp(AConfiguration* config);
311
312/**
313 * Set the configuration's current screen width in dp units.
314 */
315void AConfiguration_setScreenWidthDp(AConfiguration* config, int32_t value);
316
317/**
318 * Return the current configuration screen height in dp units, or
319 * ACONFIGURATION_SCREEN_HEIGHT_DP_ANY if not set.
320 */
321int32_t AConfiguration_getScreenHeightDp(AConfiguration* config);
322
323/**
324 * Set the configuration's current screen width in dp units.
325 */
326void AConfiguration_setScreenHeightDp(AConfiguration* config, int32_t value);
327
328/**
329 * Return the configuration's smallest screen width in dp units, or
330 * ACONFIGURATION_SMALLEST_SCREEN_WIDTH_DP_ANY if not set.
331 */
332int32_t AConfiguration_getSmallestScreenWidthDp(AConfiguration* config);
333
334/**
335 * Set the configuration's smallest screen width in dp units.
336 */
337void AConfiguration_setSmallestScreenWidthDp(AConfiguration* config, int32_t value);
338
339/**
340 * Return the configuration's layout direction, or
341 * ACONFIGURATION_LAYOUTDIR_ANY if not set.
342 */
343int32_t AConfiguration_getLayoutDirection(AConfiguration* config);
344
345/**
346 * Set the configuration's layout direction.
347 */
348void AConfiguration_setLayoutDirection(AConfiguration* config, int32_t value);
349
350/**
351 * Perform a diff between two configurations.  Returns a bit mask of
352 * ACONFIGURATION_* constants, each bit set meaning that configuration element
353 * is different between them.
354 */
355int32_t AConfiguration_diff(AConfiguration* config1, AConfiguration* config2);
356
357/**
358 * Determine whether 'base' is a valid configuration for use within the
359 * environment 'requested'.  Returns 0 if there are any values in 'base'
360 * that conflict with 'requested'.  Returns 1 if it does not conflict.
361 */
362int32_t AConfiguration_match(AConfiguration* base, AConfiguration* requested);
363
364/**
365 * Determine whether the configuration in 'test' is better than the existing
366 * configuration in 'base'.  If 'requested' is non-NULL, this decision is based
367 * on the overall configuration given there.  If it is NULL, this decision is
368 * simply based on which configuration is more specific.  Returns non-0 if
369 * 'test' is better than 'base'.
370 *
371 * This assumes you have already filtered the configurations with
372 * AConfiguration_match().
373 */
374int32_t AConfiguration_isBetterThan(AConfiguration* base, AConfiguration* test,
375        AConfiguration* requested);
376
377#ifdef __cplusplus
378};
379#endif
380
381#endif // ANDROID_CONFIGURATION_H
382