1 files changed, 50 insertions, 1 deletions
diff --git a/include/ui/Input.h b/include/ui/Input.h
index 8c6018b..27f65bc 100644
--- a/include/ui/Input.h
+++ b/include/ui/Input.h
@@ -76,7 +76,7 @@ namespace android {
  */
 enum {
     /* These flags originate in RawEvents and are generally set in the key map.
-     * See also labels for policy flags in KeycodeLabels.h. */
+     * NOTE: If you edit these flags, also edit labels in KeycodeLabels.h. */
 
     POLICY_FLAG_WAKE = 0x00000001,
     POLICY_FLAG_WAKE_DROPPED = 0x00000002,
@@ -87,6 +87,7 @@ enum {
     POLICY_FLAG_MENU = 0x00000040,
     POLICY_FLAG_LAUNCHER = 0x00000080,
     POLICY_FLAG_VIRTUAL = 0x00000100,
+    POLICY_FLAG_FUNCTION = 0x00000200,
 
     POLICY_FLAG_RAW_MASK = 0x0000ffff,
 
@@ -496,6 +497,54 @@ private:
     KeyedVector<int32_t, MotionRange> mMotionRanges;
 };
 
+/*
+ * Identifies a device.
+ */
+struct InputDeviceIdentifier {
+    inline InputDeviceIdentifier() :
+            bus(0), vendor(0), product(0), version(0) {
+    }
+
+    String8 name;
+    String8 location;
+    String8 uniqueId;
+    uint16_t bus;
+    uint16_t vendor;
+    uint16_t product;
+    uint16_t version;
+};
+
+/* 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