configuration.h revision e1c61d3cc8458ce9a15d8109f728e60f5248939d
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_NONE = 0xffff,
48
49    ACONFIGURATION_KEYBOARD_ANY  = 0x0000,
50    ACONFIGURATION_KEYBOARD_NOKEYS  = 0x0001,
51    ACONFIGURATION_KEYBOARD_QWERTY  = 0x0002,
52    ACONFIGURATION_KEYBOARD_12KEY  = 0x0003,
53
54    ACONFIGURATION_NAVIGATION_ANY  = 0x0000,
55    ACONFIGURATION_NAVIGATION_NONAV  = 0x0001,
56    ACONFIGURATION_NAVIGATION_DPAD  = 0x0002,
57    ACONFIGURATION_NAVIGATION_TRACKBALL  = 0x0003,
58    ACONFIGURATION_NAVIGATION_WHEEL  = 0x0004,
59
60    ACONFIGURATION_KEYSHIDDEN_ANY = 0x0000,
61    ACONFIGURATION_KEYSHIDDEN_NO = 0x0001,
62    ACONFIGURATION_KEYSHIDDEN_YES = 0x0002,
63    ACONFIGURATION_KEYSHIDDEN_SOFT = 0x0003,
64
65    ACONFIGURATION_NAVHIDDEN_ANY = 0x0000,
66    ACONFIGURATION_NAVHIDDEN_NO = 0x0001,
67    ACONFIGURATION_NAVHIDDEN_YES = 0x0002,
68
69    ACONFIGURATION_SCREENSIZE_ANY  = 0x00,
70    ACONFIGURATION_SCREENSIZE_SMALL = 0x01,
71    ACONFIGURATION_SCREENSIZE_NORMAL = 0x02,
72    ACONFIGURATION_SCREENSIZE_LARGE = 0x03,
73    ACONFIGURATION_SCREENSIZE_XLARGE = 0x04,
74
75    ACONFIGURATION_SCREENLONG_ANY = 0x00,
76    ACONFIGURATION_SCREENLONG_NO = 0x1,
77    ACONFIGURATION_SCREENLONG_YES = 0x2,
78
79    ACONFIGURATION_UI_MODE_TYPE_ANY = 0x00,
80    ACONFIGURATION_UI_MODE_TYPE_NORMAL = 0x01,
81    ACONFIGURATION_UI_MODE_TYPE_DESK = 0x02,
82    ACONFIGURATION_UI_MODE_TYPE_CAR = 0x03,
83    ACONFIGURATION_UI_MODE_TYPE_TELEVISION = 0x04,
84    ACONFIGURATION_UI_MODE_TYPE_APPLIANCE = 0x05,
85
86    ACONFIGURATION_UI_MODE_NIGHT_ANY = 0x00,
87    ACONFIGURATION_UI_MODE_NIGHT_NO = 0x1,
88    ACONFIGURATION_UI_MODE_NIGHT_YES = 0x2,
89
90    ACONFIGURATION_SCREEN_WIDTH_DP_ANY = 0x0000,
91
92    ACONFIGURATION_SCREEN_HEIGHT_DP_ANY = 0x0000,
93
94    ACONFIGURATION_SMALLEST_SCREEN_WIDTH_DP_ANY = 0x0000,
95
96    ACONFIGURATION_MCC = 0x0001,
97    ACONFIGURATION_MNC = 0x0002,
98    ACONFIGURATION_LOCALE = 0x0004,
99    ACONFIGURATION_TOUCHSCREEN = 0x0008,
100    ACONFIGURATION_KEYBOARD = 0x0010,
101    ACONFIGURATION_KEYBOARD_HIDDEN = 0x0020,
102    ACONFIGURATION_NAVIGATION = 0x0040,
103    ACONFIGURATION_ORIENTATION = 0x0080,
104    ACONFIGURATION_DENSITY = 0x0100,
105    ACONFIGURATION_SCREEN_SIZE = 0x0200,
106    ACONFIGURATION_VERSION = 0x0400,
107    ACONFIGURATION_SCREEN_LAYOUT = 0x0800,
108    ACONFIGURATION_UI_MODE = 0x1000,
109    ACONFIGURATION_SMALLEST_SCREEN_SIZE = 0x2000,
110};
111
112/**
113 * Create a new AConfiguration, initialized with no values set.
114 */
115AConfiguration* AConfiguration_new();
116
117/**
118 * Free an AConfiguration that was previously created with
119 * AConfiguration_new().
120 */
121void AConfiguration_delete(AConfiguration* config);
122
123/**
124 * Create and return a new AConfiguration based on the current configuration in
125 * use in the given AssetManager.
126 */
127void AConfiguration_fromAssetManager(AConfiguration* out, AAssetManager* am);
128
129/**
130 * Copy the contents of 'src' to 'dest'.
131 */
132void AConfiguration_copy(AConfiguration* dest, AConfiguration* src);
133
134/**
135 * Return the current MCC set in the configuration.  0 if not set.
136 */
137int32_t AConfiguration_getMcc(AConfiguration* config);
138
139/**
140 * Set the current MCC in the configuration.  0 to clear.
141 */
142void AConfiguration_setMcc(AConfiguration* config, int32_t mcc);
143
144/**
145 * Return the current MNC set in the configuration.  0 if not set.
146 */
147int32_t AConfiguration_getMnc(AConfiguration* config);
148
149/**
150 * Set the current MNC in the configuration.  0 to clear.
151 */
152void AConfiguration_setMnc(AConfiguration* config, int32_t mnc);
153
154/**
155 * Return the current language code set in the configuration.  The output will
156 * be filled with an array of two characters.  They are not 0-terminated.  If
157 * a language is not set, they will be 0.
158 */
159void AConfiguration_getLanguage(AConfiguration* config, char* outLanguage);
160
161/**
162 * Set the current language code in the configuration, from the first two
163 * characters in the string.
164 */
165void AConfiguration_setLanguage(AConfiguration* config, const char* language);
166
167/**
168 * Return the current country code set in the configuration.  The output will
169 * be filled with an array of two characters.  They are not 0-terminated.  If
170 * a country is not set, they will be 0.
171 */
172void AConfiguration_getCountry(AConfiguration* config, char* outCountry);
173
174/**
175 * Set the current country code in the configuration, from the first two
176 * characters in the string.
177 */
178void AConfiguration_setCountry(AConfiguration* config, const char* country);
179
180/**
181 * Return the current ACONFIGURATION_ORIENTATION_* set in the configuration.
182 */
183int32_t AConfiguration_getOrientation(AConfiguration* config);
184
185/**
186 * Set the current orientation in the configuration.
187 */
188void AConfiguration_setOrientation(AConfiguration* config, int32_t orientation);
189
190/**
191 * Return the current ACONFIGURATION_TOUCHSCREEN_* set in the configuration.
192 */
193int32_t AConfiguration_getTouchscreen(AConfiguration* config);
194
195/**
196 * Set the current touchscreen in the configuration.
197 */
198void AConfiguration_setTouchscreen(AConfiguration* config, int32_t touchscreen);
199
200/**
201 * Return the current ACONFIGURATION_DENSITY_* set in the configuration.
202 */
203int32_t AConfiguration_getDensity(AConfiguration* config);
204
205/**
206 * Set the current density in the configuration.
207 */
208void AConfiguration_setDensity(AConfiguration* config, int32_t density);
209
210/**
211 * Return the current ACONFIGURATION_KEYBOARD_* set in the configuration.
212 */
213int32_t AConfiguration_getKeyboard(AConfiguration* config);
214
215/**
216 * Set the current keyboard in the configuration.
217 */
218void AConfiguration_setKeyboard(AConfiguration* config, int32_t keyboard);
219
220/**
221 * Return the current ACONFIGURATION_NAVIGATION_* set in the configuration.
222 */
223int32_t AConfiguration_getNavigation(AConfiguration* config);
224
225/**
226 * Set the current navigation in the configuration.
227 */
228void AConfiguration_setNavigation(AConfiguration* config, int32_t navigation);
229
230/**
231 * Return the current ACONFIGURATION_KEYSHIDDEN_* set in the configuration.
232 */
233int32_t AConfiguration_getKeysHidden(AConfiguration* config);
234
235/**
236 * Set the current keys hidden in the configuration.
237 */
238void AConfiguration_setKeysHidden(AConfiguration* config, int32_t keysHidden);
239
240/**
241 * Return the current ACONFIGURATION_NAVHIDDEN_* set in the configuration.
242 */
243int32_t AConfiguration_getNavHidden(AConfiguration* config);
244
245/**
246 * Set the current nav hidden in the configuration.
247 */
248void AConfiguration_setNavHidden(AConfiguration* config, int32_t navHidden);
249
250/**
251 * Return the current SDK (API) version set in the configuration.
252 */
253int32_t AConfiguration_getSdkVersion(AConfiguration* config);
254
255/**
256 * Set the current SDK version in the configuration.
257 */
258void AConfiguration_setSdkVersion(AConfiguration* config, int32_t sdkVersion);
259
260/**
261 * Return the current ACONFIGURATION_SCREENSIZE_* set in the configuration.
262 */
263int32_t AConfiguration_getScreenSize(AConfiguration* config);
264
265/**
266 * Set the current screen size in the configuration.
267 */
268void AConfiguration_setScreenSize(AConfiguration* config, int32_t screenSize);
269
270/**
271 * Return the current ACONFIGURATION_SCREENLONG_* set in the configuration.
272 */
273int32_t AConfiguration_getScreenLong(AConfiguration* config);
274
275/**
276 * Set the current screen long in the configuration.
277 */
278void AConfiguration_setScreenLong(AConfiguration* config, int32_t screenLong);
279
280/**
281 * Return the current ACONFIGURATION_UI_MODE_TYPE_* set in the configuration.
282 */
283int32_t AConfiguration_getUiModeType(AConfiguration* config);
284
285/**
286 * Set the current UI mode type in the configuration.
287 */
288void AConfiguration_setUiModeType(AConfiguration* config, int32_t uiModeType);
289
290/**
291 * Return the current ACONFIGURATION_UI_MODE_NIGHT_* set in the configuration.
292 */
293int32_t AConfiguration_getUiModeNight(AConfiguration* config);
294
295/**
296 * Set the current UI mode night in the configuration.
297 */
298void AConfiguration_setUiModeNight(AConfiguration* config, int32_t uiModeNight);
299
300/**
301 * Return the current configuration screen width in dp units, or
302 * ACONFIGURATION_SCREEN_WIDTH_DP_ANY if not set.
303 */
304int32_t AConfiguration_getScreenWidthDp(AConfiguration* config);
305
306/**
307 * Set the configuration's current screen width in dp units.
308 */
309void AConfiguration_setScreenWidthDp(AConfiguration* config, int32_t value);
310
311/**
312 * Return the current configuration screen height in dp units, or
313 * ACONFIGURATION_SCREEN_HEIGHT_DP_ANY if not set.
314 */
315int32_t AConfiguration_getScreenHeightDp(AConfiguration* config);
316
317/**
318 * Set the configuration's current screen width in dp units.
319 */
320void AConfiguration_setScreenHeightDp(AConfiguration* config, int32_t value);
321
322/**
323 * Return the configuration's smallest screen width in dp units, or
324 * ACONFIGURATION_SMALLEST_SCREEN_WIDTH_DP_ANY if not set.
325 */
326int32_t AConfiguration_getSmallestScreenWidthDp(AConfiguration* config);
327
328/**
329 * Set the configuration's smallest screen width in dp units.
330 */
331void AConfiguration_setSmallestScreenWidthDp(AConfiguration* config, int32_t value);
332
333/**
334 * Perform a diff between two configurations.  Returns a bit mask of
335 * ACONFIGURATION_* constants, each bit set meaning that configuration element
336 * is different between them.
337 */
338int32_t AConfiguration_diff(AConfiguration* config1, AConfiguration* config2);
339
340/**
341 * Determine whether 'base' is a valid configuration for use within the
342 * environment 'requested'.  Returns 0 if there are any values in 'base'
343 * that conflict with 'requested'.  Returns 1 if it does not conflict.
344 */
345int32_t AConfiguration_match(AConfiguration* base, AConfiguration* requested);
346
347/**
348 * Determine whether the configuration in 'test' is better than the existing
349 * configuration in 'base'.  If 'requested' is non-NULL, this decision is based
350 * on the overall configuration given there.  If it is NULL, this decision is
351 * simply based on which configuration is more specific.  Returns non-0 if
352 * 'test' is better than 'base'.
353 *
354 * This assumes you have already filtered the configurations with
355 * AConfiguration_match().
356 */
357int32_t AConfiguration_isBetterThan(AConfiguration* base, AConfiguration* test,
358        AConfiguration* requested);
359
360#ifdef __cplusplus
361};
362#endif
363
364#endif // ANDROID_CONFIGURATION_H
365