1 files changed, 89 insertions, 0 deletions
diff --git a/media/java/android/mtp/MtpStorage.java b/media/java/android/mtp/MtpStorage.java
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+++ b/media/java/android/mtp/MtpStorage.java
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+/*
+ * Copyright (C) 2011 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.
+ */
+
+package android.mtp;
+
+/**
+ * This class represents a storage unit on an MTP device.
+ * Used only for MTP support in USB responder mode.
+ * MtpStorageInfo is used in MTP host mode
+ *
+ * @hide
+ */
+public class MtpStorage {
+
+    private final int mStorageId;
+    private final String mPath;
+    private final String mDescription;
+    private final long mReserveSpace;
+
+    public MtpStorage(int id, String path, String description, long reserveSpace) {
+        mStorageId = id;
+        mPath = path;
+        mDescription = description;
+        mReserveSpace = reserveSpace;
+    }
+
+    /**
+     * Returns the storage ID for the storage unit
+     *
+     * @return the storage ID
+     */
+    public final int getStorageId() {
+        return mStorageId;
+    }
+
+    /**
+     * Generates a storage ID for storage of given index.
+     * Index 0 is for primary external storage
+     *
+     * @return the storage ID
+     */
+    public static int getStorageId(int index) {
+        // storage ID is 0x00010001 for primary storage,
+        // then 0x00020001, 0x00030001, etc. for secondary storages
+        return ((index + 1) << 16) + 1;
+    }
+
+   /**
+     * Returns the file path for the storage unit's storage in the file system
+     *
+     * @return the storage file path
+     */
+    public final String getPath() {
+        return mPath;
+    }
+
+   /**
+     * Returns the description string for the storage unit
+     *
+     * @return the storage unit description
+     */
+    public final String getDescription() {
+        return mDescription;
+    }
+
+   /**
+     * Returns the amount of space to reserve on the storage file system.
+     * This can be set to a non-zero value to prevent MTP from filling up the entire storage.
+     *
+     * @return the storage unit description
+     */
+    public final long getReserveSpace() {
+        return mReserveSpace;
+    }
+
+}