The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007 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 "Input" |
| 18 | |
| 19 | #include "jni.h" |
| 20 | #include "JNIHelp.h" |
| 21 | #include <utils/misc.h> |
| 22 | #include <utils/Log.h> |
| 23 | |
| 24 | #include <ui/EventHub.h> |
| 25 | #include <utils/threads.h> |
| 26 | |
| 27 | #include <stdio.h> |
| 28 | |
| 29 | namespace android { |
| 30 | |
| 31 | // ---------------------------------------------------------------------------- |
| 32 | |
| 33 | static struct input_offsets_t |
| 34 | { |
| 35 | jfieldID mMinValue; |
| 36 | jfieldID mMaxValue; |
| 37 | jfieldID mFlat; |
| 38 | jfieldID mFuzz; |
| 39 | |
| 40 | jfieldID mDeviceId; |
| 41 | jfieldID mType; |
| 42 | jfieldID mScancode; |
| 43 | jfieldID mKeycode; |
| 44 | jfieldID mFlags; |
| 45 | jfieldID mValue; |
| 46 | jfieldID mWhen; |
| 47 | } gInputOffsets; |
| 48 | |
| 49 | // ---------------------------------------------------------------------------- |
| 50 | |
| 51 | static Mutex gLock; |
| 52 | static sp<EventHub> gHub; |
| 53 | |
| 54 | static jboolean |
| 55 | android_server_KeyInputQueue_readEvent(JNIEnv* env, jobject clazz, |
| 56 | jobject event) |
| 57 | { |
| 58 | gLock.lock(); |
| 59 | sp<EventHub> hub = gHub; |
| 60 | if (hub == NULL) { |
| 61 | hub = new EventHub; |
| 62 | gHub = hub; |
| 63 | } |
| 64 | gLock.unlock(); |
| 65 | |
| 66 | int32_t deviceId; |
| 67 | int32_t type; |
| 68 | int32_t scancode, keycode; |
| 69 | uint32_t flags; |
| 70 | int32_t value; |
| 71 | nsecs_t when; |
| 72 | bool res = hub->getEvent(&deviceId, &type, &scancode, &keycode, |
| 73 | &flags, &value, &when); |
| 74 | |
| 75 | env->SetIntField(event, gInputOffsets.mDeviceId, (jint)deviceId); |
| 76 | env->SetIntField(event, gInputOffsets.mType, (jint)type); |
| 77 | env->SetIntField(event, gInputOffsets.mScancode, (jint)scancode); |
| 78 | env->SetIntField(event, gInputOffsets.mKeycode, (jint)keycode); |
| 79 | env->SetIntField(event, gInputOffsets.mFlags, (jint)flags); |
| 80 | env->SetIntField(event, gInputOffsets.mValue, value); |
| 81 | env->SetLongField(event, gInputOffsets.mWhen, |
| 82 | (jlong)(nanoseconds_to_milliseconds(when))); |
| 83 | |
| 84 | return res; |
| 85 | } |
| 86 | |
| 87 | static jint |
| 88 | android_server_KeyInputQueue_getDeviceClasses(JNIEnv* env, jobject clazz, |
| 89 | jint deviceId) |
| 90 | { |
| 91 | jint classes = 0; |
| 92 | gLock.lock(); |
| 93 | if (gHub != NULL) classes = gHub->getDeviceClasses(deviceId); |
| 94 | gLock.unlock(); |
| 95 | return classes; |
| 96 | } |
| 97 | |
| 98 | static jstring |
| 99 | android_server_KeyInputQueue_getDeviceName(JNIEnv* env, jobject clazz, |
| 100 | jint deviceId) |
| 101 | { |
| 102 | String8 name; |
| 103 | gLock.lock(); |
| 104 | if (gHub != NULL) name = gHub->getDeviceName(deviceId); |
| 105 | gLock.unlock(); |
| 106 | |
| 107 | if (name.size() > 0) { |
| 108 | return env->NewStringUTF(name.string()); |
| 109 | } |
| 110 | return NULL; |
| 111 | } |
| 112 | |
| 113 | static jboolean |
| 114 | android_server_KeyInputQueue_getAbsoluteInfo(JNIEnv* env, jobject clazz, |
| 115 | jint deviceId, jint axis, |
| 116 | jobject info) |
| 117 | { |
| 118 | int32_t minValue, maxValue, flat, fuzz; |
| 119 | int res = -1; |
| 120 | gLock.lock(); |
| 121 | if (gHub != NULL) { |
| 122 | res = gHub->getAbsoluteInfo(deviceId, axis, |
| 123 | &minValue, &maxValue, &flat, &fuzz); |
| 124 | } |
| 125 | gLock.unlock(); |
| 126 | |
| 127 | if (res < 0) return JNI_FALSE; |
| 128 | |
| 129 | env->SetIntField(info, gInputOffsets.mMinValue, (jint)minValue); |
| 130 | env->SetIntField(info, gInputOffsets.mMaxValue, (jint)maxValue); |
| 131 | env->SetIntField(info, gInputOffsets.mFlat, (jint)flat); |
| 132 | env->SetIntField(info, gInputOffsets.mFuzz, (jint)fuzz); |
| 133 | return JNI_TRUE; |
| 134 | } |
| 135 | |
| 136 | static jint |
| 137 | android_server_KeyInputQueue_getSwitchState(JNIEnv* env, jobject clazz, |
| 138 | jint sw) |
| 139 | { |
| 140 | jint st = -1; |
| 141 | gLock.lock(); |
| 142 | if (gHub != NULL) st = gHub->getSwitchState(sw); |
| 143 | gLock.unlock(); |
| 144 | |
| 145 | return st; |
| 146 | } |
| 147 | |
| 148 | static jint |
| 149 | android_server_KeyInputQueue_getSwitchStateDevice(JNIEnv* env, jobject clazz, |
| 150 | jint deviceId, jint sw) |
| 151 | { |
| 152 | jint st = -1; |
| 153 | gLock.lock(); |
| 154 | if (gHub != NULL) st = gHub->getSwitchState(deviceId, sw); |
| 155 | gLock.unlock(); |
| 156 | |
| 157 | return st; |
| 158 | } |
| 159 | |
| 160 | static jint |
| 161 | android_server_KeyInputQueue_getScancodeState(JNIEnv* env, jobject clazz, |
| 162 | jint sw) |
| 163 | { |
| 164 | jint st = -1; |
| 165 | gLock.lock(); |
| 166 | if (gHub != NULL) st = gHub->getScancodeState(sw); |
| 167 | gLock.unlock(); |
| 168 | |
| 169 | return st; |
| 170 | } |
| 171 | |
| 172 | static jint |
| 173 | android_server_KeyInputQueue_getScancodeStateDevice(JNIEnv* env, jobject clazz, |
| 174 | jint deviceId, jint sw) |
| 175 | { |
| 176 | jint st = -1; |
| 177 | gLock.lock(); |
| 178 | if (gHub != NULL) st = gHub->getScancodeState(deviceId, sw); |
| 179 | gLock.unlock(); |
| 180 | |
| 181 | return st; |
| 182 | } |
| 183 | |
| 184 | static jint |
| 185 | android_server_KeyInputQueue_getKeycodeState(JNIEnv* env, jobject clazz, |
| 186 | jint sw) |
| 187 | { |
| 188 | jint st = -1; |
| 189 | gLock.lock(); |
| 190 | if (gHub != NULL) st = gHub->getKeycodeState(sw); |
| 191 | gLock.unlock(); |
| 192 | |
| 193 | return st; |
| 194 | } |
| 195 | |
| 196 | static jint |
| 197 | android_server_KeyInputQueue_getKeycodeStateDevice(JNIEnv* env, jobject clazz, |
| 198 | jint deviceId, jint sw) |
| 199 | { |
| 200 | jint st = -1; |
| 201 | gLock.lock(); |
| 202 | if (gHub != NULL) st = gHub->getKeycodeState(deviceId, sw); |
| 203 | gLock.unlock(); |
| 204 | |
| 205 | return st; |
| 206 | } |
| 207 | |
| 208 | static jboolean |
| 209 | android_server_KeyInputQueue_hasKeys(JNIEnv* env, jobject clazz, |
| 210 | jintArray keyCodes, jbooleanArray outFlags) |
| 211 | { |
| 212 | jboolean ret = JNI_FALSE; |
| 213 | |
| 214 | int32_t* codes = env->GetIntArrayElements(keyCodes, NULL); |
| 215 | uint8_t* flags = env->GetBooleanArrayElements(outFlags, NULL); |
| 216 | size_t numCodes = env->GetArrayLength(keyCodes); |
| 217 | if (numCodes == env->GetArrayLength(outFlags)) { |
| 218 | gLock.lock(); |
| 219 | if (gHub != NULL) ret = gHub->hasKeys(numCodes, codes, flags); |
| 220 | gLock.unlock(); |
| 221 | } |
| 222 | |
| 223 | env->ReleaseBooleanArrayElements(outFlags, flags, 0); |
| 224 | env->ReleaseIntArrayElements(keyCodes, codes, 0); |
| 225 | return ret; |
| 226 | } |
| 227 | |
| 228 | // ---------------------------------------------------------------------------- |
| 229 | |
| 230 | /* |
| 231 | * JNI registration. |
| 232 | */ |
| 233 | static JNINativeMethod gInputMethods[] = { |
| 234 | /* name, signature, funcPtr */ |
| 235 | { "readEvent", "(Landroid/view/RawInputEvent;)Z", |
| 236 | (void*) android_server_KeyInputQueue_readEvent }, |
| 237 | { "getDeviceClasses", "(I)I", |
| 238 | (void*) android_server_KeyInputQueue_getDeviceClasses }, |
| 239 | { "getDeviceName", "(I)Ljava/lang/String;", |
| 240 | (void*) android_server_KeyInputQueue_getDeviceName }, |
| 241 | { "getAbsoluteInfo", "(IILcom/android/server/InputDevice$AbsoluteInfo;)Z", |
| 242 | (void*) android_server_KeyInputQueue_getAbsoluteInfo }, |
| 243 | { "getSwitchState", "(I)I", |
| 244 | (void*) android_server_KeyInputQueue_getSwitchState }, |
| 245 | { "getSwitchState", "(II)I", |
| 246 | (void*) android_server_KeyInputQueue_getSwitchStateDevice }, |
| 247 | { "getScancodeState", "(I)I", |
| 248 | (void*) android_server_KeyInputQueue_getScancodeState }, |
| 249 | { "getScancodeState", "(II)I", |
| 250 | (void*) android_server_KeyInputQueue_getScancodeStateDevice }, |
| 251 | { "getKeycodeState", "(I)I", |
| 252 | (void*) android_server_KeyInputQueue_getKeycodeState }, |
| 253 | { "getKeycodeState", "(II)I", |
| 254 | (void*) android_server_KeyInputQueue_getKeycodeStateDevice }, |
| 255 | { "hasKeys", "([I[Z)Z", |
| 256 | (void*) android_server_KeyInputQueue_hasKeys }, |
| 257 | }; |
| 258 | |
| 259 | int register_android_server_KeyInputQueue(JNIEnv* env) |
| 260 | { |
| 261 | jclass input = env->FindClass("com/android/server/KeyInputQueue"); |
| 262 | LOG_FATAL_IF(input == NULL, "Unable to find class com/android/server/KeyInputQueue"); |
| 263 | int res = jniRegisterNativeMethods(env, "com/android/server/KeyInputQueue", |
| 264 | gInputMethods, NELEM(gInputMethods)); |
| 265 | |
| 266 | jclass absoluteInfo = env->FindClass("com/android/server/InputDevice$AbsoluteInfo"); |
| 267 | LOG_FATAL_IF(absoluteInfo == NULL, "Unable to find class com/android/server/InputDevice$AbsoluteInfo"); |
| 268 | |
| 269 | gInputOffsets.mMinValue |
| 270 | = env->GetFieldID(absoluteInfo, "minValue", "I"); |
| 271 | LOG_FATAL_IF(gInputOffsets.mMinValue == NULL, "Unable to find InputDevice.AbsoluteInfo.minValue"); |
| 272 | |
| 273 | gInputOffsets.mMaxValue |
| 274 | = env->GetFieldID(absoluteInfo, "maxValue", "I"); |
| 275 | LOG_FATAL_IF(gInputOffsets.mMaxValue == NULL, "Unable to find InputDevice.AbsoluteInfo.maxValue"); |
| 276 | |
| 277 | gInputOffsets.mFlat |
| 278 | = env->GetFieldID(absoluteInfo, "flat", "I"); |
| 279 | LOG_FATAL_IF(gInputOffsets.mFlat == NULL, "Unable to find InputDevice.AbsoluteInfo.flat"); |
| 280 | |
| 281 | gInputOffsets.mFuzz |
| 282 | = env->GetFieldID(absoluteInfo, "fuzz", "I"); |
| 283 | LOG_FATAL_IF(gInputOffsets.mFuzz == NULL, "Unable to find InputDevice.AbsoluteInfo.fuzz"); |
| 284 | |
| 285 | jclass inputEvent = env->FindClass("android/view/RawInputEvent"); |
| 286 | LOG_FATAL_IF(inputEvent == NULL, "Unable to find class android/view/RawInputEvent"); |
| 287 | |
| 288 | gInputOffsets.mDeviceId |
| 289 | = env->GetFieldID(inputEvent, "deviceId", "I"); |
| 290 | LOG_FATAL_IF(gInputOffsets.mDeviceId == NULL, "Unable to find RawInputEvent.deviceId"); |
| 291 | |
| 292 | gInputOffsets.mType |
| 293 | = env->GetFieldID(inputEvent, "type", "I"); |
| 294 | LOG_FATAL_IF(gInputOffsets.mType == NULL, "Unable to find RawInputEvent.type"); |
| 295 | |
| 296 | gInputOffsets.mScancode |
| 297 | = env->GetFieldID(inputEvent, "scancode", "I"); |
| 298 | LOG_FATAL_IF(gInputOffsets.mScancode == NULL, "Unable to find RawInputEvent.scancode"); |
| 299 | |
| 300 | gInputOffsets.mKeycode |
| 301 | = env->GetFieldID(inputEvent, "keycode", "I"); |
| 302 | LOG_FATAL_IF(gInputOffsets.mKeycode == NULL, "Unable to find RawInputEvent.keycode"); |
| 303 | |
| 304 | gInputOffsets.mFlags |
| 305 | = env->GetFieldID(inputEvent, "flags", "I"); |
| 306 | LOG_FATAL_IF(gInputOffsets.mFlags == NULL, "Unable to find RawInputEvent.flags"); |
| 307 | |
| 308 | gInputOffsets.mValue |
| 309 | = env->GetFieldID(inputEvent, "value", "I"); |
| 310 | LOG_FATAL_IF(gInputOffsets.mValue == NULL, "Unable to find RawInputEvent.value"); |
| 311 | |
| 312 | gInputOffsets.mWhen |
| 313 | = env->GetFieldID(inputEvent, "when", "J"); |
| 314 | LOG_FATAL_IF(gInputOffsets.mWhen == NULL, "Unable to find RawInputEvent.when"); |
| 315 | |
| 316 | return res; |
| 317 | } |
| 318 | |
| 319 | }; // namespace android |
| 320 | |