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      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 #include "core_jni_helpers.h"
     27 
     28 namespace android {
     29 
     30 static struct {
     31     jfieldID mcc;
     32     jfieldID mnc;
     33     jfieldID locale;
     34     jfieldID screenLayout;
     35     jfieldID touchscreen;
     36     jfieldID keyboard;
     37     jfieldID keyboardHidden;
     38     jfieldID hardKeyboardHidden;
     39     jfieldID navigation;
     40     jfieldID navigationHidden;
     41     jfieldID orientation;
     42     jfieldID uiMode;
     43     jfieldID screenWidthDp;
     44     jfieldID screenHeightDp;
     45     jfieldID smallestScreenWidthDp;
     46 } gConfigurationClassInfo;
     47 
     48 void android_Configuration_getFromJava(
     49         JNIEnv* env, jobject clazz, struct AConfiguration* out) {
     50     out->mcc = env->GetIntField(clazz, gConfigurationClassInfo.mcc);
     51     out->mnc = env->GetIntField(clazz, gConfigurationClassInfo.mnc);
     52     out->screenLayout = env->GetIntField(clazz, gConfigurationClassInfo.screenLayout);
     53     out->touchscreen = env->GetIntField(clazz, gConfigurationClassInfo.touchscreen);
     54     out->keyboard = env->GetIntField(clazz, gConfigurationClassInfo.keyboard);
     55     out->navigation = env->GetIntField(clazz, gConfigurationClassInfo.navigation);
     56 
     57     out->inputFlags = env->GetIntField(clazz, gConfigurationClassInfo.keyboardHidden);
     58     int hardKeyboardHidden = env->GetIntField(clazz, gConfigurationClassInfo.hardKeyboardHidden);
     59     if (out->inputFlags == ACONFIGURATION_KEYSHIDDEN_NO
     60             && hardKeyboardHidden == 2) {
     61         out->inputFlags = ACONFIGURATION_KEYSHIDDEN_SOFT;
     62     }
     63     out->inputFlags |= env->GetIntField(clazz, gConfigurationClassInfo.navigationHidden)
     64             << ResTable_config::SHIFT_NAVHIDDEN;
     65 
     66     out->orientation = env->GetIntField(clazz, gConfigurationClassInfo.orientation);
     67     out->uiMode = env->GetIntField(clazz, gConfigurationClassInfo.uiMode);
     68 
     69     out->screenWidthDp = env->GetIntField(clazz, gConfigurationClassInfo.screenWidthDp);
     70     out->screenHeightDp = env->GetIntField(clazz, gConfigurationClassInfo.screenHeightDp);
     71     out->smallestScreenWidthDp = env->GetIntField(clazz,
     72             gConfigurationClassInfo.smallestScreenWidthDp);
     73 }
     74 
     75 int register_android_content_res_Configuration(JNIEnv* env)
     76 {
     77     jclass clazz = FindClassOrDie(env, "android/content/res/Configuration");
     78 
     79     gConfigurationClassInfo.mcc = GetFieldIDOrDie(env, clazz, "mcc", "I");
     80     gConfigurationClassInfo.mnc = GetFieldIDOrDie(env, clazz, "mnc", "I");
     81     gConfigurationClassInfo.locale = GetFieldIDOrDie(env, clazz, "locale", "Ljava/util/Locale;");
     82     gConfigurationClassInfo.screenLayout = GetFieldIDOrDie(env, clazz, "screenLayout", "I");
     83     gConfigurationClassInfo.touchscreen = GetFieldIDOrDie(env, clazz, "touchscreen", "I");
     84     gConfigurationClassInfo.keyboard = GetFieldIDOrDie(env, clazz, "keyboard", "I");
     85     gConfigurationClassInfo.keyboardHidden = GetFieldIDOrDie(env, clazz, "keyboardHidden", "I");
     86     gConfigurationClassInfo.hardKeyboardHidden = GetFieldIDOrDie(env, clazz, "hardKeyboardHidden",
     87                                                                  "I");
     88     gConfigurationClassInfo.navigation = GetFieldIDOrDie(env, clazz, "navigation", "I");
     89     gConfigurationClassInfo.navigationHidden = GetFieldIDOrDie(env, clazz, "navigationHidden", "I");
     90     gConfigurationClassInfo.orientation = GetFieldIDOrDie(env, clazz, "orientation", "I");
     91     gConfigurationClassInfo.uiMode = GetFieldIDOrDie(env, clazz, "uiMode", "I");
     92     gConfigurationClassInfo.screenWidthDp = GetFieldIDOrDie(env, clazz, "screenWidthDp", "I");
     93     gConfigurationClassInfo.screenHeightDp = GetFieldIDOrDie(env, clazz, "screenHeightDp", "I");
     94     gConfigurationClassInfo.smallestScreenWidthDp = GetFieldIDOrDie(env, clazz,
     95                                                                     "smallestScreenWidthDp", "I");
     96 
     97     return 0;
     98 }
     99 
    100 }; // namespace android
    101