3b60dacb4e
According to description in frameworks/base/core/res/res/xml/storage_list.xml, "mtpReserve: (integer) number of megabytes of storage MTP should reserve for free storage". Mtpstorage class use it directly and doesn't change it to correct size in megabyes. Mtp initor can not get correct storage information from android. Change-Id: Icf59eb1eb478e67ea5990be96a9decb41aa55504 Signed-off-by: Bo Huang <bo.b.huang@intel.com> Signed-off-by: Jack Ren<jack.ren@intel.com> Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
114 lines
3.1 KiB
Java
114 lines
3.1 KiB
Java
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.mtp;
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import android.content.Context;
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import android.os.storage.StorageVolume;
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/**
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* This class represents a storage unit on an MTP device.
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* Used only for MTP support in USB responder mode.
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* MtpStorageInfo is used in MTP host mode
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*
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* @hide
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*/
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public class MtpStorage {
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private final int mStorageId;
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private final String mPath;
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private final String mDescription;
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private final long mReserveSpace;
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private final boolean mRemovable;
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private final long mMaxFileSize;
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public MtpStorage(StorageVolume volume, Context context) {
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mStorageId = volume.getStorageId();
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mPath = volume.getPath();
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mDescription = context.getResources().getString(volume.getDescriptionId());
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mReserveSpace = volume.getMtpReserveSpace() * 1024 * 1024;
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mRemovable = volume.isRemovable();
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mMaxFileSize = volume.getMaxFileSize();
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}
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/**
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* Returns the storage ID for the storage unit
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*
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* @return the storage ID
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*/
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public final int getStorageId() {
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return mStorageId;
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}
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/**
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* Generates a storage ID for storage of given index.
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* Index 0 is for primary external storage
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*
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* @return the storage ID
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*/
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public static int getStorageId(int index) {
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// storage ID is 0x00010001 for primary storage,
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// then 0x00020001, 0x00030001, etc. for secondary storages
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return ((index + 1) << 16) + 1;
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}
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/**
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* Returns the file path for the storage unit's storage in the file system
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*
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* @return the storage file path
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*/
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public final String getPath() {
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return mPath;
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}
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/**
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* Returns the description string for the storage unit
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*
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* @return the storage unit description
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*/
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public final String getDescription() {
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return mDescription;
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}
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/**
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* Returns the amount of space to reserve on the storage file system.
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* This can be set to a non-zero value to prevent MTP from filling up the entire storage.
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*
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* @return reserved space in bytes.
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*/
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public final long getReserveSpace() {
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return mReserveSpace;
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}
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/**
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* Returns true if the storage is removable.
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*
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* @return is removable
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*/
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public final boolean isRemovable() {
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return mRemovable;
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}
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/**
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* Returns maximum file size for the storage, or zero if it is unbounded.
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*
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* @return maximum file size
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*/
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public long getMaxFileSize() {
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return mMaxFileSize;
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}
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}
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