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> |
Ruben Brunk | 87eac99 | 2013-09-09 17:44:59 -0700 | [diff] [blame] | 22 | #include <android_runtime/Log.h> |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 23 | #include <utils/Log.h> |
Jeff Brown | 9d3b1a4 | 2013-07-01 19:07:15 -0700 | [diff] [blame] | 24 | #include <input/Input.h> |
Michael Wright | 337d9d2 | 2014-04-22 15:03:48 -0700 | [diff] [blame] | 25 | #include <ScopedUtfChars.h> |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 26 | #include "android_view_KeyEvent.h" |
| 27 | |
Andreas Gampe | 987f79f | 2014-11-18 17:29:46 -0800 | [diff] [blame] | 28 | #include "core_jni_helpers.h" |
| 29 | |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 30 | namespace android { |
| 31 | |
| 32 | // ---------------------------------------------------------------------------- |
| 33 | |
| 34 | static struct { |
| 35 | jclass clazz; |
| 36 | |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 37 | jmethodID obtain; |
| 38 | jmethodID recycle; |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 39 | |
Jeff Brown | c5ed591 | 2010-07-14 18:48:53 -0700 | [diff] [blame] | 40 | jfieldID mDeviceId; |
| 41 | jfieldID mSource; |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 42 | jfieldID mMetaState; |
| 43 | jfieldID mAction; |
| 44 | jfieldID mKeyCode; |
| 45 | jfieldID mScanCode; |
| 46 | jfieldID mRepeatCount; |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 47 | jfieldID mFlags; |
| 48 | jfieldID mDownTime; |
| 49 | jfieldID mEventTime; |
| 50 | jfieldID mCharacters; |
| 51 | } gKeyEventClassInfo; |
| 52 | |
| 53 | // ---------------------------------------------------------------------------- |
| 54 | |
| 55 | jobject android_view_KeyEvent_fromNative(JNIEnv* env, const KeyEvent* event) { |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 56 | jobject eventObj = env->CallStaticObjectMethod(gKeyEventClassInfo.clazz, |
| 57 | gKeyEventClassInfo.obtain, |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 58 | nanoseconds_to_milliseconds(event->getDownTime()), |
| 59 | nanoseconds_to_milliseconds(event->getEventTime()), |
| 60 | event->getAction(), |
| 61 | event->getKeyCode(), |
| 62 | event->getRepeatCount(), |
| 63 | event->getMetaState(), |
| 64 | event->getDeviceId(), |
| 65 | event->getScanCode(), |
Jeff Brown | c5ed591 | 2010-07-14 18:48:53 -0700 | [diff] [blame] | 66 | event->getFlags(), |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 67 | event->getSource(), |
| 68 | NULL); |
| 69 | if (env->ExceptionCheck()) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 70 | ALOGE("An exception occurred while obtaining a key event."); |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 71 | LOGE_EX(env); |
| 72 | env->ExceptionClear(); |
| 73 | return NULL; |
| 74 | } |
| 75 | return eventObj; |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 76 | } |
| 77 | |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 78 | status_t android_view_KeyEvent_toNative(JNIEnv* env, jobject eventObj, |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 79 | KeyEvent* event) { |
Jeff Brown | c5ed591 | 2010-07-14 18:48:53 -0700 | [diff] [blame] | 80 | jint deviceId = env->GetIntField(eventObj, gKeyEventClassInfo.mDeviceId); |
| 81 | jint source = env->GetIntField(eventObj, gKeyEventClassInfo.mSource); |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 82 | jint metaState = env->GetIntField(eventObj, gKeyEventClassInfo.mMetaState); |
| 83 | jint action = env->GetIntField(eventObj, gKeyEventClassInfo.mAction); |
| 84 | jint keyCode = env->GetIntField(eventObj, gKeyEventClassInfo.mKeyCode); |
| 85 | jint scanCode = env->GetIntField(eventObj, gKeyEventClassInfo.mScanCode); |
| 86 | jint repeatCount = env->GetIntField(eventObj, gKeyEventClassInfo.mRepeatCount); |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 87 | jint flags = env->GetIntField(eventObj, gKeyEventClassInfo.mFlags); |
| 88 | jlong downTime = env->GetLongField(eventObj, gKeyEventClassInfo.mDownTime); |
| 89 | jlong eventTime = env->GetLongField(eventObj, gKeyEventClassInfo.mEventTime); |
| 90 | |
Jeff Brown | c5ed591 | 2010-07-14 18:48:53 -0700 | [diff] [blame] | 91 | event->initialize(deviceId, source, action, flags, keyCode, scanCode, metaState, repeatCount, |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 92 | milliseconds_to_nanoseconds(downTime), |
| 93 | milliseconds_to_nanoseconds(eventTime)); |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 94 | return OK; |
| 95 | } |
| 96 | |
| 97 | status_t android_view_KeyEvent_recycle(JNIEnv* env, jobject eventObj) { |
| 98 | env->CallVoidMethod(eventObj, gKeyEventClassInfo.recycle); |
| 99 | if (env->ExceptionCheck()) { |
Steve Block | 8564c8d | 2012-01-05 23:22:43 +0000 | [diff] [blame] | 100 | ALOGW("An exception occurred while recycling a key event."); |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 101 | LOGW_EX(env); |
| 102 | env->ExceptionClear(); |
| 103 | return UNKNOWN_ERROR; |
| 104 | } |
| 105 | return OK; |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 106 | } |
| 107 | |
Michael Wright | 337d9d2 | 2014-04-22 15:03:48 -0700 | [diff] [blame] | 108 | static jstring android_view_KeyEvent_nativeKeyCodeToString(JNIEnv* env, jobject clazz, |
| 109 | jint keyCode) { |
| 110 | return env->NewStringUTF(KeyEvent::getLabel(keyCode)); |
Dianne Hackborn | 3c80a4a | 2010-06-29 19:20:40 -0700 | [diff] [blame] | 111 | } |
| 112 | |
Michael Wright | 337d9d2 | 2014-04-22 15:03:48 -0700 | [diff] [blame] | 113 | static jint android_view_KeyEvent_nativeKeyCodeFromString(JNIEnv* env, jobject clazz, |
| 114 | jstring label) { |
| 115 | ScopedUtfChars keyLabel(env, label); |
| 116 | return KeyEvent::getKeyCodeFromLabel(keyLabel.c_str()); |
Dianne Hackborn | 3c80a4a | 2010-06-29 19:20:40 -0700 | [diff] [blame] | 117 | } |
| 118 | |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 119 | |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 120 | // ---------------------------------------------------------------------------- |
| 121 | |
Dianne Hackborn | 3c80a4a | 2010-06-29 19:20:40 -0700 | [diff] [blame] | 122 | static const JNINativeMethod g_methods[] = { |
Michael Wright | 337d9d2 | 2014-04-22 15:03:48 -0700 | [diff] [blame] | 123 | { "nativeKeyCodeToString", "(I)Ljava/lang/String;", |
| 124 | (void*)android_view_KeyEvent_nativeKeyCodeToString}, |
| 125 | { "nativeKeyCodeFromString", "(Ljava/lang/String;)I", |
| 126 | (void*)android_view_KeyEvent_nativeKeyCodeFromString}, |
Dianne Hackborn | 3c80a4a | 2010-06-29 19:20:40 -0700 | [diff] [blame] | 127 | }; |
| 128 | |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 129 | int register_android_view_KeyEvent(JNIEnv* env) { |
Andreas Gampe | 987f79f | 2014-11-18 17:29:46 -0800 | [diff] [blame] | 130 | jclass clazz = FindClassOrDie(env, "android/view/KeyEvent"); |
| 131 | gKeyEventClassInfo.clazz = MakeGlobalRefOrDie(env, clazz); |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 132 | |
Andreas Gampe | 987f79f | 2014-11-18 17:29:46 -0800 | [diff] [blame] | 133 | gKeyEventClassInfo.obtain = GetStaticMethodIDOrDie(env, gKeyEventClassInfo.clazz, |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 134 | "obtain", "(JJIIIIIIIILjava/lang/String;)Landroid/view/KeyEvent;"); |
Andreas Gampe | 987f79f | 2014-11-18 17:29:46 -0800 | [diff] [blame] | 135 | gKeyEventClassInfo.recycle = GetMethodIDOrDie(env, gKeyEventClassInfo.clazz, |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 136 | "recycle", "()V"); |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 137 | |
Andreas Gampe | 987f79f | 2014-11-18 17:29:46 -0800 | [diff] [blame] | 138 | gKeyEventClassInfo.mDeviceId = GetFieldIDOrDie(env, gKeyEventClassInfo.clazz, "mDeviceId", "I"); |
| 139 | gKeyEventClassInfo.mSource = GetFieldIDOrDie(env, gKeyEventClassInfo.clazz, "mSource", "I"); |
| 140 | gKeyEventClassInfo.mMetaState = GetFieldIDOrDie(env, gKeyEventClassInfo.clazz, "mMetaState", |
| 141 | "I"); |
| 142 | gKeyEventClassInfo.mAction = GetFieldIDOrDie(env, gKeyEventClassInfo.clazz, "mAction", "I"); |
| 143 | gKeyEventClassInfo.mKeyCode = GetFieldIDOrDie(env, gKeyEventClassInfo.clazz, "mKeyCode", "I"); |
| 144 | gKeyEventClassInfo.mScanCode = GetFieldIDOrDie(env, gKeyEventClassInfo.clazz, "mScanCode", "I"); |
| 145 | gKeyEventClassInfo.mRepeatCount = GetFieldIDOrDie(env, gKeyEventClassInfo.clazz, "mRepeatCount", |
| 146 | "I"); |
| 147 | gKeyEventClassInfo.mFlags = GetFieldIDOrDie(env, gKeyEventClassInfo.clazz, "mFlags", "I"); |
| 148 | gKeyEventClassInfo.mDownTime = GetFieldIDOrDie(env, gKeyEventClassInfo.clazz, "mDownTime", "J"); |
| 149 | gKeyEventClassInfo.mEventTime = GetFieldIDOrDie(env, gKeyEventClassInfo.clazz, "mEventTime", |
| 150 | "J"); |
| 151 | gKeyEventClassInfo.mCharacters = GetFieldIDOrDie(env, gKeyEventClassInfo.clazz, "mCharacters", |
| 152 | "Ljava/lang/String;"); |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 153 | |
Andreas Gampe | 987f79f | 2014-11-18 17:29:46 -0800 | [diff] [blame] | 154 | return RegisterMethodsOrDie(env, "android/view/KeyEvent", g_methods, NELEM(g_methods)); |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 155 | } |
| 156 | |
| 157 | } // namespace android |