Move input library code from frameworks/base.
Change-Id: I4983db61b53e28479fc90d9211fafff68f7f49a6
diff --git a/include/input/InputDevice.h b/include/input/InputDevice.h
new file mode 100644
index 0000000..4672ad4
--- /dev/null
+++ b/include/input/InputDevice.h
@@ -0,0 +1,156 @@
+/*
+ * 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.
+ */
+
+#ifndef _LIBINPUT_INPUT_DEVICE_H
+#define _LIBINPUT_INPUT_DEVICE_H
+
+#include <input/Input.h>
+#include <input/KeyCharacterMap.h>
+
+namespace android {
+
+/*
+ * Identifies a device.
+ */
+struct InputDeviceIdentifier {
+ inline InputDeviceIdentifier() :
+ bus(0), vendor(0), product(0), version(0) {
+ }
+
+ // Information provided by the kernel.
+ String8 name;
+ String8 location;
+ String8 uniqueId;
+ uint16_t bus;
+ uint16_t vendor;
+ uint16_t product;
+ uint16_t version;
+
+ // A composite input device descriptor string that uniquely identifies the device
+ // even across reboots or reconnections. The value of this field is used by
+ // upper layers of the input system to associate settings with individual devices.
+ // It is hashed from whatever kernel provided information is available.
+ // Ideally, the way this value is computed should not change between Android releases
+ // because that would invalidate persistent settings that rely on it.
+ String8 descriptor;
+};
+
+/*
+ * Describes the characteristics and capabilities of an input device.
+ */
+class InputDeviceInfo {
+public:
+ InputDeviceInfo();
+ InputDeviceInfo(const InputDeviceInfo& other);
+ ~InputDeviceInfo();
+
+ struct MotionRange {
+ int32_t axis;
+ uint32_t source;
+ float min;
+ float max;
+ float flat;
+ float fuzz;
+ float resolution;
+ };
+
+ void initialize(int32_t id, int32_t generation, const InputDeviceIdentifier& identifier,
+ const String8& alias, bool isExternal);
+
+ inline int32_t getId() const { return mId; }
+ inline int32_t getGeneration() const { return mGeneration; }
+ inline const InputDeviceIdentifier& getIdentifier() const { return mIdentifier; }
+ inline const String8& getAlias() const { return mAlias; }
+ inline const String8& getDisplayName() const {
+ return mAlias.isEmpty() ? mIdentifier.name : mAlias;
+ }
+ inline bool isExternal() const { return mIsExternal; }
+ inline uint32_t getSources() const { return mSources; }
+
+ const MotionRange* getMotionRange(int32_t axis, uint32_t source) const;
+
+ void addSource(uint32_t source);
+ void addMotionRange(int32_t axis, uint32_t source,
+ float min, float max, float flat, float fuzz, float resolution);
+ void addMotionRange(const MotionRange& range);
+
+ inline void setKeyboardType(int32_t keyboardType) { mKeyboardType = keyboardType; }
+ inline int32_t getKeyboardType() const { return mKeyboardType; }
+
+ inline void setKeyCharacterMap(const sp<KeyCharacterMap>& value) {
+ mKeyCharacterMap = value;
+ }
+
+ inline sp<KeyCharacterMap> getKeyCharacterMap() const {
+ return mKeyCharacterMap;
+ }
+
+ inline void setVibrator(bool hasVibrator) { mHasVibrator = hasVibrator; }
+ inline bool hasVibrator() const { return mHasVibrator; }
+
+ inline const Vector<MotionRange>& getMotionRanges() const {
+ return mMotionRanges;
+ }
+
+private:
+ int32_t mId;
+ int32_t mGeneration;
+ InputDeviceIdentifier mIdentifier;
+ String8 mAlias;
+ bool mIsExternal;
+ uint32_t mSources;
+ int32_t mKeyboardType;
+ sp<KeyCharacterMap> mKeyCharacterMap;
+ bool mHasVibrator;
+
+ Vector<MotionRange> mMotionRanges;
+};
+
+/* Types of input device configuration files. */
+enum InputDeviceConfigurationFileType {
+ INPUT_DEVICE_CONFIGURATION_FILE_TYPE_CONFIGURATION = 0, /* .idc file */
+ INPUT_DEVICE_CONFIGURATION_FILE_TYPE_KEY_LAYOUT = 1, /* .kl file */
+ INPUT_DEVICE_CONFIGURATION_FILE_TYPE_KEY_CHARACTER_MAP = 2, /* .kcm file */
+};
+
+/*
+ * Gets the path of an input device configuration file, if one is available.
+ * Considers both system provided and user installed configuration files.
+ *
+ * The device identifier is used to construct several default configuration file
+ * names to try based on the device name, vendor, product, and version.
+ *
+ * Returns an empty string if not found.
+ */
+extern String8 getInputDeviceConfigurationFilePathByDeviceIdentifier(
+ const InputDeviceIdentifier& deviceIdentifier,
+ InputDeviceConfigurationFileType type);
+
+/*
+ * Gets the path of an input device configuration file, if one is available.
+ * Considers both system provided and user installed configuration files.
+ *
+ * The name is case-sensitive and is used to construct the filename to resolve.
+ * All characters except 'a'-'z', 'A'-'Z', '0'-'9', '-', and '_' are replaced by underscores.
+ *
+ * Returns an empty string if not found.
+ */
+extern String8 getInputDeviceConfigurationFilePathByName(
+ const String8& name, InputDeviceConfigurationFileType type);
+
+} // namespace android
+
+#endif // _LIBINPUT_INPUT_DEVICE_H