144 lines
5.5 KiB
C++
144 lines
5.5 KiB
C++
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/*
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* Copyright (C) 2010 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 "KeyEvent-JNI"
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#include "JNIHelp.h"
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#include <android_runtime/AndroidRuntime.h>
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#include <utils/Log.h>
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#include <ui/Input.h>
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#include "android_view_KeyEvent.h"
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namespace android {
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// ----------------------------------------------------------------------------
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static struct {
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jclass clazz;
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jmethodID ctor;
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jfieldID mDeviceId;
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jfieldID mSource;
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jfieldID mMetaState;
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jfieldID mAction;
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jfieldID mKeyCode;
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jfieldID mScanCode;
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jfieldID mRepeatCount;
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jfieldID mFlags;
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jfieldID mDownTime;
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jfieldID mEventTime;
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jfieldID mCharacters;
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} gKeyEventClassInfo;
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// ----------------------------------------------------------------------------
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jobject android_view_KeyEvent_fromNative(JNIEnv* env, const KeyEvent* event) {
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return env->NewObject(gKeyEventClassInfo.clazz, gKeyEventClassInfo.ctor,
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nanoseconds_to_milliseconds(event->getDownTime()),
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nanoseconds_to_milliseconds(event->getEventTime()),
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event->getAction(),
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event->getKeyCode(),
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event->getRepeatCount(),
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event->getMetaState(),
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event->getDeviceId(),
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event->getScanCode(),
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event->getFlags(),
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event->getSource());
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}
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void android_view_KeyEvent_toNative(JNIEnv* env, jobject eventObj,
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KeyEvent* event) {
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jint deviceId = env->GetIntField(eventObj, gKeyEventClassInfo.mDeviceId);
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jint source = env->GetIntField(eventObj, gKeyEventClassInfo.mSource);
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jint metaState = env->GetIntField(eventObj, gKeyEventClassInfo.mMetaState);
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jint action = env->GetIntField(eventObj, gKeyEventClassInfo.mAction);
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jint keyCode = env->GetIntField(eventObj, gKeyEventClassInfo.mKeyCode);
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jint scanCode = env->GetIntField(eventObj, gKeyEventClassInfo.mScanCode);
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jint repeatCount = env->GetIntField(eventObj, gKeyEventClassInfo.mRepeatCount);
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jint flags = env->GetIntField(eventObj, gKeyEventClassInfo.mFlags);
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jlong downTime = env->GetLongField(eventObj, gKeyEventClassInfo.mDownTime);
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jlong eventTime = env->GetLongField(eventObj, gKeyEventClassInfo.mEventTime);
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event->initialize(deviceId, source, action, flags, keyCode, scanCode, metaState, repeatCount,
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milliseconds_to_nanoseconds(downTime),
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milliseconds_to_nanoseconds(eventTime));
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}
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static jboolean native_isSystemKey(JNIEnv* env, jobject clazz, jint keyCode) {
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return KeyEvent::isSystemKey(keyCode);
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}
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static jboolean native_hasDefaultAction(JNIEnv* env, jobject clazz, jint keyCode) {
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return KeyEvent::hasDefaultAction(keyCode);
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}
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// ----------------------------------------------------------------------------
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static const JNINativeMethod g_methods[] = {
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{ "native_isSystemKey", "(I)Z", (void*)native_isSystemKey },
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{ "native_hasDefaultAction", "(I)Z", (void*)native_hasDefaultAction },
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};
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#define FIND_CLASS(var, className) \
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var = env->FindClass(className); \
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LOG_FATAL_IF(! var, "Unable to find class " className); \
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var = jclass(env->NewGlobalRef(var));
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#define GET_METHOD_ID(var, clazz, methodName, fieldDescriptor) \
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var = env->GetMethodID(clazz, methodName, fieldDescriptor); \
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LOG_FATAL_IF(! var, "Unable to find method" methodName);
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#define GET_FIELD_ID(var, clazz, fieldName, fieldDescriptor) \
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var = env->GetFieldID(clazz, fieldName, fieldDescriptor); \
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LOG_FATAL_IF(! var, "Unable to find field " fieldName);
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int register_android_view_KeyEvent(JNIEnv* env) {
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FIND_CLASS(gKeyEventClassInfo.clazz, "android/view/KeyEvent");
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GET_METHOD_ID(gKeyEventClassInfo.ctor, gKeyEventClassInfo.clazz,
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"<init>", "(JJIIIIIIII)V");
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GET_FIELD_ID(gKeyEventClassInfo.mDeviceId, gKeyEventClassInfo.clazz,
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"mDeviceId", "I");
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GET_FIELD_ID(gKeyEventClassInfo.mSource, gKeyEventClassInfo.clazz,
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"mSource", "I");
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GET_FIELD_ID(gKeyEventClassInfo.mMetaState, gKeyEventClassInfo.clazz,
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"mMetaState", "I");
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GET_FIELD_ID(gKeyEventClassInfo.mAction, gKeyEventClassInfo.clazz,
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"mAction", "I");
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GET_FIELD_ID(gKeyEventClassInfo.mKeyCode, gKeyEventClassInfo.clazz,
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"mKeyCode", "I");
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GET_FIELD_ID(gKeyEventClassInfo.mScanCode, gKeyEventClassInfo.clazz,
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"mScanCode", "I");
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GET_FIELD_ID(gKeyEventClassInfo.mRepeatCount, gKeyEventClassInfo.clazz,
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"mRepeatCount", "I");
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GET_FIELD_ID(gKeyEventClassInfo.mFlags, gKeyEventClassInfo.clazz,
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"mFlags", "I");
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GET_FIELD_ID(gKeyEventClassInfo.mDownTime, gKeyEventClassInfo.clazz,
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"mDownTime", "J");
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GET_FIELD_ID(gKeyEventClassInfo.mEventTime, gKeyEventClassInfo.clazz,
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"mEventTime", "J");
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GET_FIELD_ID(gKeyEventClassInfo.mCharacters, gKeyEventClassInfo.clazz,
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"mCharacters", "Ljava/lang/String;");
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return AndroidRuntime::registerNativeMethods(
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env, "android/view/KeyEvent", g_methods, NELEM(g_methods));
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}
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} // namespace android
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