Examples with StorageVolume android.os.storage.StorageVolume used on opensource projects

Example 16 with StorageVolume

use of android.os.storage.StorageVolume in project android_frameworks_base by AOSPA.

the class MountService method getVolumeList.

@Override
public StorageVolume[] getVolumeList(int uid, String packageName, int flags) {
    final int userId = UserHandle.getUserId(uid);
    final boolean forWrite = (flags & StorageManager.FLAG_FOR_WRITE) != 0;
    final boolean realState = (flags & StorageManager.FLAG_REAL_STATE) != 0;
    final boolean includeInvisible = (flags & StorageManager.FLAG_INCLUDE_INVISIBLE) != 0;
    final boolean userKeyUnlocked;
    final boolean storagePermission;
    final long token = Binder.clearCallingIdentity();
    try {
        userKeyUnlocked = isUserKeyUnlocked(userId);
        storagePermission = mMountServiceInternal.hasExternalStorage(uid, packageName);
    } finally {
        Binder.restoreCallingIdentity(token);
    }
    boolean foundPrimary = false;
    final ArrayList<StorageVolume> res = new ArrayList<>();
    synchronized (mLock) {
        for (int i = 0; i < mVolumes.size(); i++) {
            final VolumeInfo vol = mVolumes.valueAt(i);
            switch(vol.getType()) {
                case VolumeInfo.TYPE_PUBLIC:
                case VolumeInfo.TYPE_EMULATED:
                    break;
                default:
                    continue;
            }
            boolean match = false;
            if (forWrite) {
                match = vol.isVisibleForWrite(userId);
            } else {
                match = vol.isVisibleForRead(userId) || (includeInvisible && vol.getPath() != null);
            }
            if (!match)
                continue;
            boolean reportUnmounted = false;
            if ((vol.getType() == VolumeInfo.TYPE_EMULATED) && !userKeyUnlocked) {
                reportUnmounted = true;
            } else if (!storagePermission && !realState) {
                reportUnmounted = true;
            }
            final StorageVolume userVol = vol.buildStorageVolume(mContext, userId, reportUnmounted);
            if (vol.isPrimary()) {
                res.add(0, userVol);
                foundPrimary = true;
            } else {
                res.add(userVol);
            }
        }
    }
    if (!foundPrimary) {
        Log.w(TAG, "No primary storage defined yet; hacking together a stub");
        final boolean primaryPhysical = SystemProperties.getBoolean(StorageManager.PROP_PRIMARY_PHYSICAL, false);
        final String id = "stub_primary";
        final File path = Environment.getLegacyExternalStorageDirectory();
        final String description = mContext.getString(android.R.string.unknownName);
        final boolean primary = true;
        final boolean removable = primaryPhysical;
        final boolean emulated = !primaryPhysical;
        final long mtpReserveSize = 0L;
        final boolean allowMassStorage = false;
        final long maxFileSize = 0L;
        final UserHandle owner = new UserHandle(userId);
        final String uuid = null;
        final String state = Environment.MEDIA_REMOVED;
        res.add(0, new StorageVolume(id, StorageVolume.STORAGE_ID_INVALID, path, description, primary, removable, emulated, mtpReserveSize, allowMassStorage, maxFileSize, owner, uuid, state));
    }
    return res.toArray(new StorageVolume[res.size()]);
}

Example 17 with StorageVolume

use of android.os.storage.StorageVolume in project android_frameworks_base by AOSPA.

the class MountService method onUnlockUser.

private void onUnlockUser(int userId) {
    Slog.d(TAG, "onUnlockUser " + userId);
    // bind mount against.
    try {
        mConnector.execute("volume", "user_started", userId);
    } catch (NativeDaemonConnectorException ignored) {
    }
    // correctly, then synthesize events for any already-mounted volumes.
    synchronized (mVolumes) {
        for (int i = 0; i < mVolumes.size(); i++) {
            final VolumeInfo vol = mVolumes.valueAt(i);
            if (vol.isVisibleForRead(userId) && vol.isMountedReadable()) {
                final StorageVolume userVol = vol.buildStorageVolume(mContext, userId, false);
                mHandler.obtainMessage(H_VOLUME_BROADCAST, userVol).sendToTarget();
                final String envState = VolumeInfo.getEnvironmentForState(vol.getState());
                mCallbacks.notifyStorageStateChanged(userVol.getPath(), envState, envState);
            }
        }
        mSystemUnlockedUsers = ArrayUtils.appendInt(mSystemUnlockedUsers, userId);
    }
}

Example 18 with StorageVolume

use of android.os.storage.StorageVolume in project android_frameworks_base by AOSPA.

the class SharedStorageAgent method onFullBackup.

/**
     * Full backup of the shared-storage filesystem
     */
@Override
public void onFullBackup(FullBackupDataOutput output) throws IOException {
    // "primary" shared storage volume is first in the list.
    if (mVolumes != null) {
        if (DEBUG)
            Slog.i(TAG, "Backing up " + mVolumes.length + " shared volumes");
        // Ignore all apps' getExternalFilesDir() content; it is backed up as part of
        // each app-specific payload.
        ArraySet<String> externalFilesDirFilter = new ArraySet();
        final File externalAndroidRoot = new File(Environment.getExternalStorageDirectory(), Environment.DIRECTORY_ANDROID);
        externalFilesDirFilter.add(externalAndroidRoot.getCanonicalPath());
        for (int i = 0; i < mVolumes.length; i++) {
            StorageVolume v = mVolumes[i];
            // Express the contents of volume N this way in the tar stream:
            //     shared/N/path/to/file
            // The restore will then extract to the given volume
            String domain = FullBackup.SHARED_PREFIX + i;
            fullBackupFileTree(null, domain, v.getPath(), null, /* manifestExcludes */
            externalFilesDirFilter, /* systemExcludes */
            output);
        }
    }
}

Example 19 with StorageVolume

use of android.os.storage.StorageVolume in project android_frameworks_base by ResurrectionRemix.

the class SharedStorageAgent method onFullBackup.

/**
     * Full backup of the shared-storage filesystem
     */
@Override
public void onFullBackup(FullBackupDataOutput output) throws IOException {
    // "primary" shared storage volume is first in the list.
    if (mVolumes != null) {
        if (DEBUG)
            Slog.i(TAG, "Backing up " + mVolumes.length + " shared volumes");
        // Ignore all apps' getExternalFilesDir() content; it is backed up as part of
        // each app-specific payload.
        ArraySet<String> externalFilesDirFilter = new ArraySet();
        final File externalAndroidRoot = new File(Environment.getExternalStorageDirectory(), Environment.DIRECTORY_ANDROID);
        externalFilesDirFilter.add(externalAndroidRoot.getCanonicalPath());
        for (int i = 0; i < mVolumes.length; i++) {
            StorageVolume v = mVolumes[i];
            // Express the contents of volume N this way in the tar stream:
            //     shared/N/path/to/file
            // The restore will then extract to the given volume
            String domain = FullBackup.SHARED_PREFIX + i;
            fullBackupFileTree(null, domain, v.getPath(), null, /* manifestExcludes */
            externalFilesDirFilter, /* systemExcludes */
            output);
        }
    }
}

Example 20 with StorageVolume

use of android.os.storage.StorageVolume in project android_frameworks_base by ResurrectionRemix.

the class OpenExternalDirectoryActivity method onCreate.

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    if (savedInstanceState != null) {
        if (DEBUG)
            Log.d(TAG, "activity.onCreateDialog(): reusing instance");
        return;
    }
    final Intent intent = getIntent();
    if (intent == null) {
        if (DEBUG)
            Log.d(TAG, "missing intent");
        logInvalidScopedAccessRequest(this, SCOPED_DIRECTORY_ACCESS_INVALID_ARGUMENTS);
        setResult(RESULT_CANCELED);
        finish();
        return;
    }
    final Parcelable storageVolume = intent.getParcelableExtra(EXTRA_STORAGE_VOLUME);
    if (!(storageVolume instanceof StorageVolume)) {
        if (DEBUG)
            Log.d(TAG, "extra " + EXTRA_STORAGE_VOLUME + " is not a StorageVolume: " + storageVolume);
        logInvalidScopedAccessRequest(this, SCOPED_DIRECTORY_ACCESS_INVALID_ARGUMENTS);
        setResult(RESULT_CANCELED);
        finish();
        return;
    }
    String directoryName = intent.getStringExtra(EXTRA_DIRECTORY_NAME);
    if (directoryName == null) {
        directoryName = DIRECTORY_ROOT;
    }
    final StorageVolume volume = (StorageVolume) storageVolume;
    if (getScopedAccessPermissionStatus(getApplicationContext(), getCallingPackage(), volume.getUuid(), directoryName) == PERMISSION_NEVER_ASK) {
        logValidScopedAccessRequest(this, directoryName, SCOPED_DIRECTORY_ACCESS_ALREADY_DENIED);
        setResult(RESULT_CANCELED);
        finish();
        return;
    }
    final int userId = UserHandle.myUserId();
    if (!showFragment(this, userId, volume, directoryName)) {
        setResult(RESULT_CANCELED);
        finish();
        return;
    }
}