1 /*
2 * Copyright 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 #define LOG_TAG "Configuration"
18
19 #include <utils/Log.h>
20 #include "utils/misc.h"
21
22 #include "jni.h"
23 #include <android_runtime/android_content_res_Configuration.h>
24 #include "android_runtime/AndroidRuntime.h"
25
26 namespace android {
27
28 static struct {
29 jfieldID mcc;
30 jfieldID mnc;
31 jfieldID locale;
32 jfieldID screenLayout;
33 jfieldID touchscreen;
34 jfieldID keyboard;
35 jfieldID keyboardHidden;
36 jfieldID hardKeyboardHidden;
37 jfieldID navigation;
38 jfieldID navigationHidden;
39 jfieldID orientation;
40 jfieldID uiMode;
41 jfieldID screenWidthDp;
42 jfieldID screenHeightDp;
43 jfieldID smallestScreenWidthDp;
44 } gConfigurationClassInfo;
45
android_Configuration_getFromJava(JNIEnv * env,jobject clazz,struct AConfiguration * out)46 void android_Configuration_getFromJava(
47 JNIEnv* env, jobject clazz, struct AConfiguration* out) {
48 out->mcc = env->GetIntField(clazz, gConfigurationClassInfo.mcc);
49 out->mnc = env->GetIntField(clazz, gConfigurationClassInfo.mnc);
50 out->screenLayout = env->GetIntField(clazz, gConfigurationClassInfo.screenLayout);
51 out->touchscreen = env->GetIntField(clazz, gConfigurationClassInfo.touchscreen);
52 out->keyboard = env->GetIntField(clazz, gConfigurationClassInfo.keyboard);
53 out->navigation = env->GetIntField(clazz, gConfigurationClassInfo.navigation);
54
55 out->inputFlags = env->GetIntField(clazz, gConfigurationClassInfo.keyboardHidden);
56 int hardKeyboardHidden = env->GetIntField(clazz, gConfigurationClassInfo.hardKeyboardHidden);
57 if (out->inputFlags == ACONFIGURATION_KEYSHIDDEN_NO
58 && hardKeyboardHidden == 2) {
59 out->inputFlags = ACONFIGURATION_KEYSHIDDEN_SOFT;
60 }
61 out->inputFlags |= env->GetIntField(clazz, gConfigurationClassInfo.navigationHidden)
62 << ResTable_config::SHIFT_NAVHIDDEN;
63
64 out->orientation = env->GetIntField(clazz, gConfigurationClassInfo.orientation);
65 out->uiMode = env->GetIntField(clazz, gConfigurationClassInfo.uiMode);
66
67 out->screenWidthDp = env->GetIntField(clazz, gConfigurationClassInfo.screenWidthDp);
68 out->screenHeightDp = env->GetIntField(clazz, gConfigurationClassInfo.screenHeightDp);
69 out->smallestScreenWidthDp = env->GetIntField(clazz,
70 gConfigurationClassInfo.smallestScreenWidthDp);
71 }
72
73 #define FIND_CLASS(var, className) \
74 var = env->FindClass(className); \
75 LOG_FATAL_IF(! var, "Unable to find class " className);
76
77 #define GET_FIELD_ID(var, clazz, fieldName, fieldDescriptor) \
78 var = env->GetFieldID(clazz, fieldName, fieldDescriptor); \
79 LOG_FATAL_IF(! var, "Unable to find field " fieldName);
80
register_android_content_res_Configuration(JNIEnv * env)81 int register_android_content_res_Configuration(JNIEnv* env)
82 {
83 jclass clazz;
84 FIND_CLASS(clazz, "android/content/res/Configuration");
85
86 GET_FIELD_ID(gConfigurationClassInfo.mcc, clazz,
87 "mcc", "I");
88 GET_FIELD_ID(gConfigurationClassInfo.mnc, clazz,
89 "mnc", "I");
90 GET_FIELD_ID(gConfigurationClassInfo.locale, clazz,
91 "locale", "Ljava/util/Locale;");
92 GET_FIELD_ID(gConfigurationClassInfo.screenLayout, clazz,
93 "screenLayout", "I");
94 GET_FIELD_ID(gConfigurationClassInfo.touchscreen, clazz,
95 "touchscreen", "I");
96 GET_FIELD_ID(gConfigurationClassInfo.keyboard, clazz,
97 "keyboard", "I");
98 GET_FIELD_ID(gConfigurationClassInfo.keyboardHidden, clazz,
99 "keyboardHidden", "I");
100 GET_FIELD_ID(gConfigurationClassInfo.hardKeyboardHidden, clazz,
101 "hardKeyboardHidden", "I");
102 GET_FIELD_ID(gConfigurationClassInfo.navigation, clazz,
103 "navigation", "I");
104 GET_FIELD_ID(gConfigurationClassInfo.navigationHidden, clazz,
105 "navigationHidden", "I");
106 GET_FIELD_ID(gConfigurationClassInfo.orientation, clazz,
107 "orientation", "I");
108 GET_FIELD_ID(gConfigurationClassInfo.uiMode, clazz,
109 "uiMode", "I");
110 GET_FIELD_ID(gConfigurationClassInfo.screenWidthDp, clazz,
111 "screenWidthDp", "I");
112 GET_FIELD_ID(gConfigurationClassInfo.screenHeightDp, clazz,
113 "screenHeightDp", "I");
114 GET_FIELD_ID(gConfigurationClassInfo.smallestScreenWidthDp, clazz,
115 "smallestScreenWidthDp", "I");
116
117 return 0;
118 }
119
120 }; // namespace android
121