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/*
**
** Copyright 2011, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#define LOG_TAG "LatinIME: jni: ProximityInfo"
#include "com_android_inputmethod_keyboard_ProximityInfo.h"
#include "jni.h"
#include "proximity_info.h"
#include <assert.h>
#include <errno.h>
#include <stdio.h>
// ----------------------------------------------------------------------------
namespace latinime {
//
// helper function to throw an exception
//
static void throwException(JNIEnv *env, const char* ex, const char* fmt, int data) {
if (jclass cls = env->FindClass(ex)) {
char msg[1000];
snprintf(msg, sizeof(msg), fmt, data);
env->ThrowNew(cls, msg);
env->DeleteLocalRef(cls);
}
}
static jint latinime_Keyboard_setProximityInfo(JNIEnv *env, jobject object,
jint maxProximityCharsSize, jint displayWidth, jint displayHeight, jint gridWidth,
jint gridHeight, jintArray proximityCharsArray) {
jint* proximityChars = env->GetIntArrayElements(proximityCharsArray, NULL);
ProximityInfo *proximityInfo = new ProximityInfo(maxProximityCharsSize, displayWidth,
displayHeight, gridWidth, gridHeight, (const uint32_t *)proximityChars);
env->ReleaseIntArrayElements(proximityCharsArray, proximityChars, 0);
return (jint)proximityInfo;
}
static void latinime_Keyboard_release(JNIEnv *env, jobject object, jint proximityInfo) {
ProximityInfo *pi = (ProximityInfo*)proximityInfo;
if (!pi) return;
delete pi;
}
// ----------------------------------------------------------------------------
static JNINativeMethod sKeyboardMethods[] = {
{"setProximityInfoNative", "(IIIII[I)I", (void*)latinime_Keyboard_setProximityInfo},
{"releaseProximityInfoNative", "(I)V", (void*)latinime_Keyboard_release}
};
static int registerNativeMethods(JNIEnv* env, const char* className, JNINativeMethod* gMethods,
int numMethods) {
jclass clazz;
clazz = env->FindClass(className);
if (clazz == NULL) {
LOGE("Native registration unable to find class '%s'", className);
return JNI_FALSE;
}
if (env->RegisterNatives(clazz, gMethods, numMethods) < 0) {
LOGE("RegisterNatives failed for '%s'", className);
return JNI_FALSE;
}
return JNI_TRUE;
}
int register_ProximityInfo(JNIEnv *env) {
const char* const kClassPathName = "com/android/inputmethod/keyboard/ProximityInfo";
return registerNativeMethods(env, kClassPathName, sKeyboardMethods,
sizeof(sKeyboardMethods) / sizeof(sKeyboardMethods[0]));
}
}; // namespace latinime
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