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 | |
Steven Moreland | 2279b25 | 2017-07-19 09:50:45 -0700 | [diff] [blame] | 19 | #include <nativehelper/JNIHelp.h> |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 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> |
Steven Moreland | 2279b25 | 2017-07-19 09:50:45 -0700 | [diff] [blame] | 25 | #include <nativehelper/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; |
Siarhei Vishniakou | 91fa08f | 2018-06-08 22:49:30 +0100 | [diff] [blame] | 42 | jfieldID mDisplayId; |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 43 | jfieldID mMetaState; |
| 44 | jfieldID mAction; |
| 45 | jfieldID mKeyCode; |
| 46 | jfieldID mScanCode; |
| 47 | jfieldID mRepeatCount; |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 48 | jfieldID mFlags; |
| 49 | jfieldID mDownTime; |
| 50 | jfieldID mEventTime; |
| 51 | jfieldID mCharacters; |
| 52 | } gKeyEventClassInfo; |
| 53 | |
| 54 | // ---------------------------------------------------------------------------- |
| 55 | |
| 56 | jobject android_view_KeyEvent_fromNative(JNIEnv* env, const KeyEvent* event) { |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 57 | jobject eventObj = env->CallStaticObjectMethod(gKeyEventClassInfo.clazz, |
| 58 | gKeyEventClassInfo.obtain, |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 59 | nanoseconds_to_milliseconds(event->getDownTime()), |
| 60 | nanoseconds_to_milliseconds(event->getEventTime()), |
| 61 | event->getAction(), |
| 62 | event->getKeyCode(), |
| 63 | event->getRepeatCount(), |
| 64 | event->getMetaState(), |
| 65 | event->getDeviceId(), |
| 66 | event->getScanCode(), |
Jeff Brown | c5ed591 | 2010-07-14 18:48:53 -0700 | [diff] [blame] | 67 | event->getFlags(), |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 68 | event->getSource(), |
Siarhei Vishniakou | 91fa08f | 2018-06-08 22:49:30 +0100 | [diff] [blame] | 69 | event->getDisplayId(), |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 70 | NULL); |
| 71 | if (env->ExceptionCheck()) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 72 | ALOGE("An exception occurred while obtaining a key event."); |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 73 | LOGE_EX(env); |
| 74 | env->ExceptionClear(); |
| 75 | return NULL; |
| 76 | } |
| 77 | return eventObj; |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 78 | } |
| 79 | |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 80 | status_t android_view_KeyEvent_toNative(JNIEnv* env, jobject eventObj, |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 81 | KeyEvent* event) { |
Jeff Brown | c5ed591 | 2010-07-14 18:48:53 -0700 | [diff] [blame] | 82 | jint deviceId = env->GetIntField(eventObj, gKeyEventClassInfo.mDeviceId); |
| 83 | jint source = env->GetIntField(eventObj, gKeyEventClassInfo.mSource); |
Siarhei Vishniakou | 91fa08f | 2018-06-08 22:49:30 +0100 | [diff] [blame] | 84 | jint displayId = env->GetIntField(eventObj, gKeyEventClassInfo.mDisplayId); |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 85 | jint metaState = env->GetIntField(eventObj, gKeyEventClassInfo.mMetaState); |
| 86 | jint action = env->GetIntField(eventObj, gKeyEventClassInfo.mAction); |
| 87 | jint keyCode = env->GetIntField(eventObj, gKeyEventClassInfo.mKeyCode); |
| 88 | jint scanCode = env->GetIntField(eventObj, gKeyEventClassInfo.mScanCode); |
| 89 | jint repeatCount = env->GetIntField(eventObj, gKeyEventClassInfo.mRepeatCount); |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 90 | jint flags = env->GetIntField(eventObj, gKeyEventClassInfo.mFlags); |
| 91 | jlong downTime = env->GetLongField(eventObj, gKeyEventClassInfo.mDownTime); |
| 92 | jlong eventTime = env->GetLongField(eventObj, gKeyEventClassInfo.mEventTime); |
| 93 | |
Siarhei Vishniakou | 91fa08f | 2018-06-08 22:49:30 +0100 | [diff] [blame] | 94 | event->initialize(deviceId, source, displayId, action, flags, keyCode, scanCode, metaState, |
| 95 | repeatCount, |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 96 | milliseconds_to_nanoseconds(downTime), |
| 97 | milliseconds_to_nanoseconds(eventTime)); |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 98 | return OK; |
| 99 | } |
| 100 | |
| 101 | status_t android_view_KeyEvent_recycle(JNIEnv* env, jobject eventObj) { |
| 102 | env->CallVoidMethod(eventObj, gKeyEventClassInfo.recycle); |
| 103 | if (env->ExceptionCheck()) { |
Steve Block | 8564c8d | 2012-01-05 23:22:43 +0000 | [diff] [blame] | 104 | ALOGW("An exception occurred while recycling a key event."); |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 105 | LOGW_EX(env); |
| 106 | env->ExceptionClear(); |
| 107 | return UNKNOWN_ERROR; |
| 108 | } |
| 109 | return OK; |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 110 | } |
| 111 | |
Michael Wright | 337d9d2 | 2014-04-22 15:03:48 -0700 | [diff] [blame] | 112 | static jstring android_view_KeyEvent_nativeKeyCodeToString(JNIEnv* env, jobject clazz, |
| 113 | jint keyCode) { |
| 114 | return env->NewStringUTF(KeyEvent::getLabel(keyCode)); |
Dianne Hackborn | 3c80a4a | 2010-06-29 19:20:40 -0700 | [diff] [blame] | 115 | } |
| 116 | |
Michael Wright | 337d9d2 | 2014-04-22 15:03:48 -0700 | [diff] [blame] | 117 | static jint android_view_KeyEvent_nativeKeyCodeFromString(JNIEnv* env, jobject clazz, |
| 118 | jstring label) { |
| 119 | ScopedUtfChars keyLabel(env, label); |
| 120 | return KeyEvent::getKeyCodeFromLabel(keyLabel.c_str()); |
Dianne Hackborn | 3c80a4a | 2010-06-29 19:20:40 -0700 | [diff] [blame] | 121 | } |
| 122 | |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 123 | |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 124 | // ---------------------------------------------------------------------------- |
| 125 | |
Dianne Hackborn | 3c80a4a | 2010-06-29 19:20:40 -0700 | [diff] [blame] | 126 | static const JNINativeMethod g_methods[] = { |
Michael Wright | 337d9d2 | 2014-04-22 15:03:48 -0700 | [diff] [blame] | 127 | { "nativeKeyCodeToString", "(I)Ljava/lang/String;", |
| 128 | (void*)android_view_KeyEvent_nativeKeyCodeToString}, |
| 129 | { "nativeKeyCodeFromString", "(Ljava/lang/String;)I", |
| 130 | (void*)android_view_KeyEvent_nativeKeyCodeFromString}, |
Dianne Hackborn | 3c80a4a | 2010-06-29 19:20:40 -0700 | [diff] [blame] | 131 | }; |
| 132 | |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 133 | int register_android_view_KeyEvent(JNIEnv* env) { |
Andreas Gampe | 987f79f | 2014-11-18 17:29:46 -0800 | [diff] [blame] | 134 | jclass clazz = FindClassOrDie(env, "android/view/KeyEvent"); |
| 135 | gKeyEventClassInfo.clazz = MakeGlobalRefOrDie(env, clazz); |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 136 | |
Andreas Gampe | 987f79f | 2014-11-18 17:29:46 -0800 | [diff] [blame] | 137 | gKeyEventClassInfo.obtain = GetStaticMethodIDOrDie(env, gKeyEventClassInfo.clazz, |
Siarhei Vishniakou | 91fa08f | 2018-06-08 22:49:30 +0100 | [diff] [blame] | 138 | "obtain", "(JJIIIIIIIIILjava/lang/String;)Landroid/view/KeyEvent;"); |
Andreas Gampe | 987f79f | 2014-11-18 17:29:46 -0800 | [diff] [blame] | 139 | gKeyEventClassInfo.recycle = GetMethodIDOrDie(env, gKeyEventClassInfo.clazz, |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 140 | "recycle", "()V"); |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 141 | |
Andreas Gampe | 987f79f | 2014-11-18 17:29:46 -0800 | [diff] [blame] | 142 | gKeyEventClassInfo.mDeviceId = GetFieldIDOrDie(env, gKeyEventClassInfo.clazz, "mDeviceId", "I"); |
| 143 | gKeyEventClassInfo.mSource = GetFieldIDOrDie(env, gKeyEventClassInfo.clazz, "mSource", "I"); |
Siarhei Vishniakou | 91fa08f | 2018-06-08 22:49:30 +0100 | [diff] [blame] | 144 | gKeyEventClassInfo.mDisplayId = GetFieldIDOrDie(env, gKeyEventClassInfo.clazz, "mDisplayId", |
| 145 | "I"); |
Andreas Gampe | 987f79f | 2014-11-18 17:29:46 -0800 | [diff] [blame] | 146 | gKeyEventClassInfo.mMetaState = GetFieldIDOrDie(env, gKeyEventClassInfo.clazz, "mMetaState", |
| 147 | "I"); |
| 148 | gKeyEventClassInfo.mAction = GetFieldIDOrDie(env, gKeyEventClassInfo.clazz, "mAction", "I"); |
| 149 | gKeyEventClassInfo.mKeyCode = GetFieldIDOrDie(env, gKeyEventClassInfo.clazz, "mKeyCode", "I"); |
| 150 | gKeyEventClassInfo.mScanCode = GetFieldIDOrDie(env, gKeyEventClassInfo.clazz, "mScanCode", "I"); |
| 151 | gKeyEventClassInfo.mRepeatCount = GetFieldIDOrDie(env, gKeyEventClassInfo.clazz, "mRepeatCount", |
| 152 | "I"); |
| 153 | gKeyEventClassInfo.mFlags = GetFieldIDOrDie(env, gKeyEventClassInfo.clazz, "mFlags", "I"); |
| 154 | gKeyEventClassInfo.mDownTime = GetFieldIDOrDie(env, gKeyEventClassInfo.clazz, "mDownTime", "J"); |
| 155 | gKeyEventClassInfo.mEventTime = GetFieldIDOrDie(env, gKeyEventClassInfo.clazz, "mEventTime", |
| 156 | "J"); |
| 157 | gKeyEventClassInfo.mCharacters = GetFieldIDOrDie(env, gKeyEventClassInfo.clazz, "mCharacters", |
| 158 | "Ljava/lang/String;"); |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 159 | |
Andreas Gampe | 987f79f | 2014-11-18 17:29:46 -0800 | [diff] [blame] | 160 | return RegisterMethodsOrDie(env, "android/view/KeyEvent", g_methods, NELEM(g_methods)); |
Jeff Brown | 46b9ac0 | 2010-04-22 18:58:52 -0700 | [diff] [blame] | 161 | } |
| 162 | |
| 163 | } // namespace android |