15912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown/* 25912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown * Copyright (C) 2012 The Android Open Source Project 35912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown * 45912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown * Licensed under the Apache License, Version 2.0 (the "License"); 55912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown * you may not use this file except in compliance with the License. 65912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown * You may obtain a copy of the License at 75912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown * 85912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown * http://www.apache.org/licenses/LICENSE-2.0 95912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown * 105912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown * Unless required by applicable law or agreed to in writing, software 115912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown * distributed under the License is distributed on an "AS IS" BASIS, 125912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 135912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown * See the License for the specific language governing permissions and 145912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown * limitations under the License. 155912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown */ 165912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 175912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown#define LOG_TAG "InputDevice" 185912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 195912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown#include <stdlib.h> 205912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown#include <unistd.h> 215912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown#include <ctype.h> 225912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 235912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown#include <input/InputDevice.h> 245912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 255912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brownnamespace android { 265912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 275912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brownstatic const char* CONFIGURATION_FILE_DIR[] = { 285912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown "idc/", 295912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown "keylayout/", 305912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown "keychars/", 315912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown}; 325912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 335912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brownstatic const char* CONFIGURATION_FILE_EXTENSION[] = { 345912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown ".idc", 355912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown ".kl", 365912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown ".kcm", 375912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown}; 385912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 395912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brownstatic bool isValidNameChar(char ch) { 405912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown return isascii(ch) && (isdigit(ch) || isalpha(ch) || ch == '-' || ch == '_'); 415912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown} 425912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 435912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brownstatic void appendInputDeviceConfigurationFileRelativePath(String8& path, 445912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown const String8& name, InputDeviceConfigurationFileType type) { 455912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown path.append(CONFIGURATION_FILE_DIR[type]); 465912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown for (size_t i = 0; i < name.length(); i++) { 475912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown char ch = name[i]; 485912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown if (!isValidNameChar(ch)) { 495912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown ch = '_'; 505912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown } 515912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown path.append(&ch, 1); 525912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown } 535912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown path.append(CONFIGURATION_FILE_EXTENSION[type]); 545912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown} 555912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 565912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff BrownString8 getInputDeviceConfigurationFilePathByDeviceIdentifier( 575912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown const InputDeviceIdentifier& deviceIdentifier, 585912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown InputDeviceConfigurationFileType type) { 595912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown if (deviceIdentifier.vendor !=0 && deviceIdentifier.product != 0) { 605912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown if (deviceIdentifier.version != 0) { 615912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown // Try vendor product version. 625912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown String8 versionPath(getInputDeviceConfigurationFilePathByName( 635912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown String8::format("Vendor_%04x_Product_%04x_Version_%04x", 645912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown deviceIdentifier.vendor, deviceIdentifier.product, 655912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown deviceIdentifier.version), 665912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown type)); 675912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown if (!versionPath.isEmpty()) { 685912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown return versionPath; 695912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown } 705912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown } 715912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 725912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown // Try vendor product. 735912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown String8 productPath(getInputDeviceConfigurationFilePathByName( 745912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown String8::format("Vendor_%04x_Product_%04x", 755912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown deviceIdentifier.vendor, deviceIdentifier.product), 765912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown type)); 775912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown if (!productPath.isEmpty()) { 785912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown return productPath; 795912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown } 805912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown } 815912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 825912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown // Try device name. 835912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown return getInputDeviceConfigurationFilePathByName(deviceIdentifier.name, type); 845912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown} 855912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 865912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff BrownString8 getInputDeviceConfigurationFilePathByName( 875912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown const String8& name, InputDeviceConfigurationFileType type) { 885912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown // Search system repository. 895912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown String8 path; 905912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown path.setTo(getenv("ANDROID_ROOT")); 915912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown path.append("/usr/"); 925912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown appendInputDeviceConfigurationFileRelativePath(path, name, type); 935912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown#if DEBUG_PROBE 945912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown ALOGD("Probing for system provided input device configuration file: path='%s'", path.string()); 955912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown#endif 965912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown if (!access(path.string(), R_OK)) { 975912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown#if DEBUG_PROBE 985912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown ALOGD("Found"); 995912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown#endif 1005912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown return path; 1015912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown } 1025912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 1035912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown // Search user repository. 1045912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown // TODO Should only look here if not in safe mode. 1055912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown path.setTo(getenv("ANDROID_DATA")); 1065912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown path.append("/system/devices/"); 1075912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown appendInputDeviceConfigurationFileRelativePath(path, name, type); 1085912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown#if DEBUG_PROBE 1095912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown ALOGD("Probing for system user input device configuration file: path='%s'", path.string()); 1105912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown#endif 1115912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown if (!access(path.string(), R_OK)) { 1125912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown#if DEBUG_PROBE 1135912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown ALOGD("Found"); 1145912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown#endif 1155912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown return path; 1165912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown } 1175912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 1185912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown // Not found. 1195912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown#if DEBUG_PROBE 1205912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown ALOGD("Probe failed to find input device configuration file: name='%s', type=%d", 1215912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown name.string(), type); 1225912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown#endif 1235912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown return String8(); 1245912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown} 1255912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 1265912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 1275912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown// --- InputDeviceInfo --- 1285912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 1295912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff BrownInputDeviceInfo::InputDeviceInfo() { 130063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn initialize(-1, 0, -1, InputDeviceIdentifier(), String8(), false, false); 1315912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown} 1325912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 1335912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff BrownInputDeviceInfo::InputDeviceInfo(const InputDeviceInfo& other) : 1340415d63b1adf15f6546fea902c66f8bd508afbfcMichael Wright mId(other.mId), mGeneration(other.mGeneration), mControllerNumber(other.mControllerNumber), 1350415d63b1adf15f6546fea902c66f8bd508afbfcMichael Wright mIdentifier(other.mIdentifier), mAlias(other.mAlias), mIsExternal(other.mIsExternal), 136063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn mHasMic(other.mHasMic), mSources(other.mSources), 137063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn mKeyboardType(other.mKeyboardType), mKeyCharacterMap(other.mKeyCharacterMap), 138063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn mHasVibrator(other.mHasVibrator), mHasButtonUnderPad(other.mHasButtonUnderPad), 139063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn mMotionRanges(other.mMotionRanges) { 1405912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown} 1415912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 1425912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff BrownInputDeviceInfo::~InputDeviceInfo() { 1435912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown} 1445912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 1450415d63b1adf15f6546fea902c66f8bd508afbfcMichael Wrightvoid InputDeviceInfo::initialize(int32_t id, int32_t generation, int32_t controllerNumber, 146063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn const InputDeviceIdentifier& identifier, const String8& alias, bool isExternal, 147063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn bool hasMic) { 1485912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown mId = id; 1495912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown mGeneration = generation; 1500415d63b1adf15f6546fea902c66f8bd508afbfcMichael Wright mControllerNumber = controllerNumber; 1515912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown mIdentifier = identifier; 1525912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown mAlias = alias; 1535912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown mIsExternal = isExternal; 154063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn mHasMic = hasMic; 1555912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown mSources = 0; 1565912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown mKeyboardType = AINPUT_KEYBOARD_TYPE_NONE; 1575912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown mHasVibrator = false; 158931fd6dee7891e94650353c09956ccf24b4dfff3Michael Wright mHasButtonUnderPad = false; 1595912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown mMotionRanges.clear(); 1605912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown} 1615912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 1625912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brownconst InputDeviceInfo::MotionRange* InputDeviceInfo::getMotionRange( 1635912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown int32_t axis, uint32_t source) const { 1645912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown size_t numRanges = mMotionRanges.size(); 1655912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown for (size_t i = 0; i < numRanges; i++) { 1665912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown const MotionRange& range = mMotionRanges.itemAt(i); 1675912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown if (range.axis == axis && range.source == source) { 1685912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown return ⦥ 1695912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown } 1705912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown } 1715912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown return NULL; 1725912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown} 1735912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 1745912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brownvoid InputDeviceInfo::addSource(uint32_t source) { 1755912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown mSources |= source; 1765912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown} 1775912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 1785912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brownvoid InputDeviceInfo::addMotionRange(int32_t axis, uint32_t source, float min, float max, 1795912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown float flat, float fuzz, float resolution) { 1805912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown MotionRange range = { axis, source, min, max, flat, fuzz, resolution }; 1815912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown mMotionRanges.add(range); 1825912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown} 1835912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 1845912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brownvoid InputDeviceInfo::addMotionRange(const MotionRange& range) { 1855912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown mMotionRanges.add(range); 1865912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown} 1875912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown 1885912f95d26f77d2b6df13e1f2672e48e3f9b871cJeff Brown} // namespace android 189