1 /*
2 * Copyright (C) 2011 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 "LatinIME: jni"
18
19 #include "jni_common.h"
20
21 #include "com_android_inputmethod_keyboard_ProximityInfo.h"
22 #include "com_android_inputmethod_latin_BinaryDictionary.h"
23 #include "com_android_inputmethod_latin_DicTraverseSession.h"
24 #include "defines.h"
25
26 /*
27 * Returns the JNI version on success, -1 on failure.
28 */
JNI_OnLoad(JavaVM * vm,void * reserved)29 jint JNI_OnLoad(JavaVM *vm, void *reserved) {
30 JNIEnv *env = 0;
31
32 if (vm->GetEnv(reinterpret_cast<void **>(&env), JNI_VERSION_1_6) != JNI_OK) {
33 AKLOGE("ERROR: GetEnv failed");
34 return -1;
35 }
36 ASSERT(env);
37 if (!env) {
38 AKLOGE("ERROR: JNIEnv is invalid");
39 return -1;
40 }
41 if (!latinime::register_BinaryDictionary(env)) {
42 AKLOGE("ERROR: BinaryDictionary native registration failed");
43 return -1;
44 }
45 if (!latinime::register_DicTraverseSession(env)) {
46 AKLOGE("ERROR: DicTraverseSession native registration failed");
47 return -1;
48 }
49 if (!latinime::register_ProximityInfo(env)) {
50 AKLOGE("ERROR: ProximityInfo native registration failed");
51 return -1;
52 }
53 /* success -- return valid version number */
54 return JNI_VERSION_1_6;
55 }
56
57 namespace latinime {
registerNativeMethods(JNIEnv * env,const char * className,JNINativeMethod * methods,int numMethods)58 int registerNativeMethods(JNIEnv *env, const char *className, JNINativeMethod *methods,
59 int numMethods) {
60 jclass clazz = env->FindClass(className);
61 if (!clazz) {
62 AKLOGE("Native registration unable to find class '%s'", className);
63 return JNI_FALSE;
64 }
65 if (env->RegisterNatives(clazz, methods, numMethods) < 0) {
66 AKLOGE("RegisterNatives failed for '%s'", className);
67 env->DeleteLocalRef(clazz);
68 return JNI_FALSE;
69 }
70 env->DeleteLocalRef(clazz);
71 return JNI_TRUE;
72 }
73 } // namespace latinime
74