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