Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 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 "KeyEvent-JNI" |
| 18 | |
| 19 | #include "JNIHelp.h" |
| 20 | |
| 21 | #include <android_runtime/AndroidRuntime.h> |
| 22 | #include <utils/Log.h> |
| 23 | #include <ui/Input.h> |
| 24 | #include "android_view_KeyEvent.h" |
| 25 | |
| 26 | namespace android { |
| 27 | |
| 28 | // ---------------------------------------------------------------------------- |
| 29 | |
| 30 | static struct { |
| 31 | jclass clazz; |
| 32 | |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 33 | jmethodID obtain; |
| 34 | jmethodID recycle; |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 35 | |
Jeff Brown | c5ed591 | 2010-07-14 18:48:53 -0700 | [diff] [blame] | 36 | jfieldID mDeviceId; |
| 37 | jfieldID mSource; |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 38 | jfieldID mMetaState; |
| 39 | jfieldID mAction; |
| 40 | jfieldID mKeyCode; |
| 41 | jfieldID mScanCode; |
| 42 | jfieldID mRepeatCount; |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 43 | jfieldID mFlags; |
| 44 | jfieldID mDownTime; |
| 45 | jfieldID mEventTime; |
| 46 | jfieldID mCharacters; |
| 47 | } gKeyEventClassInfo; |
| 48 | |
| 49 | // ---------------------------------------------------------------------------- |
| 50 | |
| 51 | jobject android_view_KeyEvent_fromNative(JNIEnv* env, const KeyEvent* event) { |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 52 | jobject eventObj = env->CallStaticObjectMethod(gKeyEventClassInfo.clazz, |
| 53 | gKeyEventClassInfo.obtain, |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 54 | nanoseconds_to_milliseconds(event->getDownTime()), |
| 55 | nanoseconds_to_milliseconds(event->getEventTime()), |
| 56 | event->getAction(), |
| 57 | event->getKeyCode(), |
| 58 | event->getRepeatCount(), |
| 59 | event->getMetaState(), |
| 60 | event->getDeviceId(), |
| 61 | event->getScanCode(), |
Jeff Brown | c5ed591 | 2010-07-14 18:48:53 -0700 | [diff] [blame] | 62 | event->getFlags(), |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 63 | event->getSource(), |
| 64 | NULL); |
| 65 | if (env->ExceptionCheck()) { |
| 66 | LOGE("An exception occurred while obtaining a key event."); |
| 67 | LOGE_EX(env); |
| 68 | env->ExceptionClear(); |
| 69 | return NULL; |
| 70 | } |
| 71 | return eventObj; |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 72 | } |
| 73 | |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 74 | status_t android_view_KeyEvent_toNative(JNIEnv* env, jobject eventObj, |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 75 | KeyEvent* event) { |
Jeff Brown | c5ed591 | 2010-07-14 18:48:53 -0700 | [diff] [blame] | 76 | jint deviceId = env->GetIntField(eventObj, gKeyEventClassInfo.mDeviceId); |
| 77 | jint source = env->GetIntField(eventObj, gKeyEventClassInfo.mSource); |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 78 | jint metaState = env->GetIntField(eventObj, gKeyEventClassInfo.mMetaState); |
| 79 | jint action = env->GetIntField(eventObj, gKeyEventClassInfo.mAction); |
| 80 | jint keyCode = env->GetIntField(eventObj, gKeyEventClassInfo.mKeyCode); |
| 81 | jint scanCode = env->GetIntField(eventObj, gKeyEventClassInfo.mScanCode); |
| 82 | jint repeatCount = env->GetIntField(eventObj, gKeyEventClassInfo.mRepeatCount); |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 83 | jint flags = env->GetIntField(eventObj, gKeyEventClassInfo.mFlags); |
| 84 | jlong downTime = env->GetLongField(eventObj, gKeyEventClassInfo.mDownTime); |
| 85 | jlong eventTime = env->GetLongField(eventObj, gKeyEventClassInfo.mEventTime); |
| 86 | |
Jeff Brown | c5ed591 | 2010-07-14 18:48:53 -0700 | [diff] [blame] | 87 | event->initialize(deviceId, source, action, flags, keyCode, scanCode, metaState, repeatCount, |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 88 | milliseconds_to_nanoseconds(downTime), |
| 89 | milliseconds_to_nanoseconds(eventTime)); |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 90 | return OK; |
| 91 | } |
| 92 | |
| 93 | status_t android_view_KeyEvent_recycle(JNIEnv* env, jobject eventObj) { |
| 94 | env->CallVoidMethod(eventObj, gKeyEventClassInfo.recycle); |
| 95 | if (env->ExceptionCheck()) { |
| 96 | LOGW("An exception occurred while recycling a key event."); |
| 97 | LOGW_EX(env); |
| 98 | env->ExceptionClear(); |
| 99 | return UNKNOWN_ERROR; |
| 100 | } |
| 101 | return OK; |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 102 | } |
| 103 | |
Dianne Hackborn | 3c80a4a | 2010-06-29 19:20:40 -0700 | [diff] [blame] | 104 | static jboolean native_isSystemKey(JNIEnv* env, jobject clazz, jint keyCode) { |
| 105 | return KeyEvent::isSystemKey(keyCode); |
| 106 | } |
| 107 | |
| 108 | static jboolean native_hasDefaultAction(JNIEnv* env, jobject clazz, jint keyCode) { |
| 109 | return KeyEvent::hasDefaultAction(keyCode); |
| 110 | } |
| 111 | |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 112 | |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 113 | // ---------------------------------------------------------------------------- |
| 114 | |
Dianne Hackborn | 3c80a4a | 2010-06-29 19:20:40 -0700 | [diff] [blame] | 115 | static const JNINativeMethod g_methods[] = { |
| 116 | { "native_isSystemKey", "(I)Z", (void*)native_isSystemKey }, |
| 117 | { "native_hasDefaultAction", "(I)Z", (void*)native_hasDefaultAction }, |
| 118 | }; |
| 119 | |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 120 | #define FIND_CLASS(var, className) \ |
| 121 | var = env->FindClass(className); \ |
| 122 | LOG_FATAL_IF(! var, "Unable to find class " className); \ |
| 123 | var = jclass(env->NewGlobalRef(var)); |
| 124 | |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 125 | #define GET_STATIC_METHOD_ID(var, clazz, methodName, fieldDescriptor) \ |
| 126 | var = env->GetStaticMethodID(clazz, methodName, fieldDescriptor); \ |
| 127 | LOG_FATAL_IF(! var, "Unable to find static method" methodName); |
| 128 | |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 129 | #define GET_METHOD_ID(var, clazz, methodName, fieldDescriptor) \ |
| 130 | var = env->GetMethodID(clazz, methodName, fieldDescriptor); \ |
| 131 | LOG_FATAL_IF(! var, "Unable to find method" methodName); |
| 132 | |
| 133 | #define GET_FIELD_ID(var, clazz, fieldName, fieldDescriptor) \ |
| 134 | var = env->GetFieldID(clazz, fieldName, fieldDescriptor); \ |
| 135 | LOG_FATAL_IF(! var, "Unable to find field " fieldName); |
| 136 | |
| 137 | int register_android_view_KeyEvent(JNIEnv* env) { |
Jeff Brown | c5ed591 | 2010-07-14 18:48:53 -0700 | [diff] [blame] | 138 | FIND_CLASS(gKeyEventClassInfo.clazz, "android/view/KeyEvent"); |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 139 | |
| 140 | GET_STATIC_METHOD_ID(gKeyEventClassInfo.obtain, gKeyEventClassInfo.clazz, |
| 141 | "obtain", "(JJIIIIIIIILjava/lang/String;)Landroid/view/KeyEvent;"); |
| 142 | GET_METHOD_ID(gKeyEventClassInfo.recycle, gKeyEventClassInfo.clazz, |
| 143 | "recycle", "()V"); |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 144 | |
Jeff Brown | c5ed591 | 2010-07-14 18:48:53 -0700 | [diff] [blame] | 145 | GET_FIELD_ID(gKeyEventClassInfo.mDeviceId, gKeyEventClassInfo.clazz, |
| 146 | "mDeviceId", "I"); |
| 147 | GET_FIELD_ID(gKeyEventClassInfo.mSource, gKeyEventClassInfo.clazz, |
| 148 | "mSource", "I"); |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 149 | GET_FIELD_ID(gKeyEventClassInfo.mMetaState, gKeyEventClassInfo.clazz, |
| 150 | "mMetaState", "I"); |
| 151 | GET_FIELD_ID(gKeyEventClassInfo.mAction, gKeyEventClassInfo.clazz, |
| 152 | "mAction", "I"); |
| 153 | GET_FIELD_ID(gKeyEventClassInfo.mKeyCode, gKeyEventClassInfo.clazz, |
| 154 | "mKeyCode", "I"); |
| 155 | GET_FIELD_ID(gKeyEventClassInfo.mScanCode, gKeyEventClassInfo.clazz, |
| 156 | "mScanCode", "I"); |
| 157 | GET_FIELD_ID(gKeyEventClassInfo.mRepeatCount, gKeyEventClassInfo.clazz, |
| 158 | "mRepeatCount", "I"); |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 159 | GET_FIELD_ID(gKeyEventClassInfo.mFlags, gKeyEventClassInfo.clazz, |
| 160 | "mFlags", "I"); |
| 161 | GET_FIELD_ID(gKeyEventClassInfo.mDownTime, gKeyEventClassInfo.clazz, |
| 162 | "mDownTime", "J"); |
| 163 | GET_FIELD_ID(gKeyEventClassInfo.mEventTime, gKeyEventClassInfo.clazz, |
| 164 | "mEventTime", "J"); |
| 165 | GET_FIELD_ID(gKeyEventClassInfo.mCharacters, gKeyEventClassInfo.clazz, |
| 166 | "mCharacters", "Ljava/lang/String;"); |
| 167 | |
Dianne Hackborn | 3c80a4a | 2010-06-29 19:20:40 -0700 | [diff] [blame] | 168 | return AndroidRuntime::registerNativeMethods( |
Jeff Brown | c5ed591 | 2010-07-14 18:48:53 -0700 | [diff] [blame] | 169 | env, "android/view/KeyEvent", g_methods, NELEM(g_methods)); |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 170 | } |
| 171 | |
| 172 | } // namespace android |