Move input library code from frameworks/base.
Change-Id: I4983db61b53e28479fc90d9211fafff68f7f49a6
diff --git a/libs/input/InputDevice.cpp b/libs/input/InputDevice.cpp
new file mode 100644
index 0000000..77fa49d
--- /dev/null
+++ b/libs/input/InputDevice.cpp
@@ -0,0 +1,184 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "InputDevice"
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <ctype.h>
+
+#include <input/InputDevice.h>
+
+namespace android {
+
+static const char* CONFIGURATION_FILE_DIR[] = {
+ "idc/",
+ "keylayout/",
+ "keychars/",
+};
+
+static const char* CONFIGURATION_FILE_EXTENSION[] = {
+ ".idc",
+ ".kl",
+ ".kcm",
+};
+
+static bool isValidNameChar(char ch) {
+ return isascii(ch) && (isdigit(ch) || isalpha(ch) || ch == '-' || ch == '_');
+}
+
+static void appendInputDeviceConfigurationFileRelativePath(String8& path,
+ const String8& name, InputDeviceConfigurationFileType type) {
+ path.append(CONFIGURATION_FILE_DIR[type]);
+ for (size_t i = 0; i < name.length(); i++) {
+ char ch = name[i];
+ if (!isValidNameChar(ch)) {
+ ch = '_';
+ }
+ path.append(&ch, 1);
+ }
+ path.append(CONFIGURATION_FILE_EXTENSION[type]);
+}
+
+String8 getInputDeviceConfigurationFilePathByDeviceIdentifier(
+ const InputDeviceIdentifier& deviceIdentifier,
+ InputDeviceConfigurationFileType type) {
+ if (deviceIdentifier.vendor !=0 && deviceIdentifier.product != 0) {
+ if (deviceIdentifier.version != 0) {
+ // Try vendor product version.
+ String8 versionPath(getInputDeviceConfigurationFilePathByName(
+ String8::format("Vendor_%04x_Product_%04x_Version_%04x",
+ deviceIdentifier.vendor, deviceIdentifier.product,
+ deviceIdentifier.version),
+ type));
+ if (!versionPath.isEmpty()) {
+ return versionPath;
+ }
+ }
+
+ // Try vendor product.
+ String8 productPath(getInputDeviceConfigurationFilePathByName(
+ String8::format("Vendor_%04x_Product_%04x",
+ deviceIdentifier.vendor, deviceIdentifier.product),
+ type));
+ if (!productPath.isEmpty()) {
+ return productPath;
+ }
+ }
+
+ // Try device name.
+ return getInputDeviceConfigurationFilePathByName(deviceIdentifier.name, type);
+}
+
+String8 getInputDeviceConfigurationFilePathByName(
+ const String8& name, InputDeviceConfigurationFileType type) {
+ // Search system repository.
+ String8 path;
+ path.setTo(getenv("ANDROID_ROOT"));
+ path.append("/usr/");
+ appendInputDeviceConfigurationFileRelativePath(path, name, type);
+#if DEBUG_PROBE
+ ALOGD("Probing for system provided input device configuration file: path='%s'", path.string());
+#endif
+ if (!access(path.string(), R_OK)) {
+#if DEBUG_PROBE
+ ALOGD("Found");
+#endif
+ return path;
+ }
+
+ // Search user repository.
+ // TODO Should only look here if not in safe mode.
+ path.setTo(getenv("ANDROID_DATA"));
+ path.append("/system/devices/");
+ appendInputDeviceConfigurationFileRelativePath(path, name, type);
+#if DEBUG_PROBE
+ ALOGD("Probing for system user input device configuration file: path='%s'", path.string());
+#endif
+ if (!access(path.string(), R_OK)) {
+#if DEBUG_PROBE
+ ALOGD("Found");
+#endif
+ return path;
+ }
+
+ // Not found.
+#if DEBUG_PROBE
+ ALOGD("Probe failed to find input device configuration file: name='%s', type=%d",
+ name.string(), type);
+#endif
+ return String8();
+}
+
+
+// --- InputDeviceInfo ---
+
+InputDeviceInfo::InputDeviceInfo() {
+ initialize(-1, -1, InputDeviceIdentifier(), String8(), false);
+}
+
+InputDeviceInfo::InputDeviceInfo(const InputDeviceInfo& other) :
+ mId(other.mId), mGeneration(other.mGeneration), mIdentifier(other.mIdentifier),
+ mAlias(other.mAlias), mIsExternal(other.mIsExternal), mSources(other.mSources),
+ mKeyboardType(other.mKeyboardType),
+ mKeyCharacterMap(other.mKeyCharacterMap),
+ mHasVibrator(other.mHasVibrator),
+ mMotionRanges(other.mMotionRanges) {
+}
+
+InputDeviceInfo::~InputDeviceInfo() {
+}
+
+void InputDeviceInfo::initialize(int32_t id, int32_t generation,
+ const InputDeviceIdentifier& identifier, const String8& alias, bool isExternal) {
+ mId = id;
+ mGeneration = generation;
+ mIdentifier = identifier;
+ mAlias = alias;
+ mIsExternal = isExternal;
+ mSources = 0;
+ mKeyboardType = AINPUT_KEYBOARD_TYPE_NONE;
+ mHasVibrator = false;
+ mMotionRanges.clear();
+}
+
+const InputDeviceInfo::MotionRange* InputDeviceInfo::getMotionRange(
+ int32_t axis, uint32_t source) const {
+ size_t numRanges = mMotionRanges.size();
+ for (size_t i = 0; i < numRanges; i++) {
+ const MotionRange& range = mMotionRanges.itemAt(i);
+ if (range.axis == axis && range.source == source) {
+ return ⦥
+ }
+ }
+ return NULL;
+}
+
+void InputDeviceInfo::addSource(uint32_t source) {
+ mSources |= source;
+}
+
+void InputDeviceInfo::addMotionRange(int32_t axis, uint32_t source, float min, float max,
+ float flat, float fuzz, float resolution) {
+ MotionRange range = { axis, source, min, max, flat, fuzz, resolution };
+ mMotionRanges.add(range);
+}
+
+void InputDeviceInfo::addMotionRange(const MotionRange& range) {
+ mMotionRanges.add(range);
+}
+
+} // namespace android