Examples with MtpObjectInfo android.mtp.MtpObjectInfo used on opensource projects

Example 1 with MtpObjectInfo

use of android.mtp.MtpObjectInfo in project android_frameworks_base by ParanoidAndroid.

the class MtpClient method getObjectList.

/**
     * Retrieves a list of {@link android.mtp.MtpObjectInfo} for all objects
     * on the MTP or PTP device with the given USB device name and given storage ID
     * and/or object handle.
     * If the object handle is zero, then all objects in the root of the storage unit
     * will be returned. Otherwise, all immediate children of the object will be returned.
     * If the storage ID is also zero, then all objects on all storage units will be returned.
     *
     * @param deviceName the name of the USB device
     * @param storageId the ID of the storage unit to query, or zero for all
     * @param objectHandle the handle of the parent object to query, or zero for the storage root
     * @return the list of MtpObjectInfo
     */
public List<MtpObjectInfo> getObjectList(String deviceName, int storageId, int objectHandle) {
    MtpDevice device = getDevice(deviceName);
    if (device == null) {
        return null;
    }
    if (objectHandle == 0) {
        // all objects in root of storage
        objectHandle = 0xFFFFFFFF;
    }
    int[] handles = device.getObjectHandles(storageId, 0, objectHandle);
    if (handles == null) {
        return null;
    }
    int length = handles.length;
    ArrayList<MtpObjectInfo> objectList = new ArrayList<MtpObjectInfo>(length);
    for (int i = 0; i < length; i++) {
        MtpObjectInfo info = device.getObjectInfo(handles[i]);
        if (info == null) {
            Log.w(TAG, "getObjectInfo failed");
        } else {
            objectList.add(info);
        }
    }
    return objectList;
}

Example 2 with MtpObjectInfo

use of android.mtp.MtpObjectInfo in project android_frameworks_base by ParanoidAndroid.

the class ObjectViewer method onResume.

@Override
protected void onResume() {
    super.onResume();
    MtpObjectInfo info = mClient.getObjectInfo(mDeviceName, mObjectID);
    if (info != null) {
        TextView view = (TextView) findViewById(R.id.name);
        mFileName = info.getName();
        view.setText(mFileName);
        view = (TextView) findViewById(R.id.format);
        view.setText(Integer.toHexString(info.getFormat()).toUpperCase());
        view = (TextView) findViewById(R.id.size);
        view.setText(Long.toString(info.getCompressedSize()));
        view = (TextView) findViewById(R.id.thumb_width);
        view.setText(Long.toString(info.getThumbPixWidth()));
        view = (TextView) findViewById(R.id.thumb_height);
        view.setText(Long.toString(info.getThumbPixHeight()));
        view = (TextView) findViewById(R.id.thumb_size);
        view.setText(Long.toString(info.getThumbCompressedSize()));
        view = (TextView) findViewById(R.id.width);
        view.setText(Long.toString(info.getImagePixWidth()));
        view = (TextView) findViewById(R.id.height);
        view.setText(Long.toString(info.getImagePixHeight()));
        view = (TextView) findViewById(R.id.depth);
        view.setText(Long.toString(info.getImagePixDepth()));
        view = (TextView) findViewById(R.id.sequence);
        view.setText(Long.toString(info.getSequenceNumber()));
        view = (TextView) findViewById(R.id.created);
        Date date = new Date(info.getDateCreated() * 1000);
        view.setText(date.toString());
        view = (TextView) findViewById(R.id.modified);
        date = new Date(info.getDateModified() * 1000);
        view.setText(date.toString());
        view = (TextView) findViewById(R.id.keywords);
        view.setText(info.getKeywords());
        int thumbFormat = info.getThumbFormat();
        if (thumbFormat == MtpConstants.FORMAT_EXIF_JPEG || thumbFormat == MtpConstants.FORMAT_JFIF) {
            byte[] thumbnail = mClient.getThumbnail(mDeviceName, info.getObjectHandle());
            if (thumbnail != null) {
                Bitmap bitmap = BitmapFactory.decodeByteArray(thumbnail, 0, thumbnail.length);
                if (bitmap != null) {
                    ImageView thumbView = (ImageView) findViewById(R.id.thumbnail);
                    thumbView.setImageBitmap(bitmap);
                }
            }
        }
    }
}

Example 3 with MtpObjectInfo

use of android.mtp.MtpObjectInfo in project platform_frameworks_base by android.

the class ObjectViewer method onResume.

@Override
protected void onResume() {
    super.onResume();
    MtpObjectInfo info = mClient.getObjectInfo(mDeviceName, mObjectID);
    if (info != null) {
        TextView view = (TextView) findViewById(R.id.name);
        mFileName = info.getName();
        view.setText(mFileName);
        view = (TextView) findViewById(R.id.format);
        view.setText(Integer.toHexString(info.getFormat()).toUpperCase(Locale.ROOT));
        view = (TextView) findViewById(R.id.size);
        view.setText(Long.toString(info.getCompressedSize()));
        view = (TextView) findViewById(R.id.thumb_width);
        view.setText(Long.toString(info.getThumbPixWidth()));
        view = (TextView) findViewById(R.id.thumb_height);
        view.setText(Long.toString(info.getThumbPixHeight()));
        view = (TextView) findViewById(R.id.thumb_size);
        view.setText(Long.toString(info.getThumbCompressedSize()));
        view = (TextView) findViewById(R.id.width);
        view.setText(Long.toString(info.getImagePixWidth()));
        view = (TextView) findViewById(R.id.height);
        view.setText(Long.toString(info.getImagePixHeight()));
        view = (TextView) findViewById(R.id.depth);
        view.setText(Long.toString(info.getImagePixDepth()));
        view = (TextView) findViewById(R.id.sequence);
        view.setText(Long.toString(info.getSequenceNumber()));
        view = (TextView) findViewById(R.id.created);
        Date date = new Date(info.getDateCreated() * 1000);
        view.setText(date.toString());
        view = (TextView) findViewById(R.id.modified);
        date = new Date(info.getDateModified() * 1000);
        view.setText(date.toString());
        view = (TextView) findViewById(R.id.keywords);
        view.setText(info.getKeywords());
        int thumbFormat = info.getThumbFormat();
        if (thumbFormat == MtpConstants.FORMAT_EXIF_JPEG || thumbFormat == MtpConstants.FORMAT_JFIF) {
            byte[] thumbnail = mClient.getThumbnail(mDeviceName, info.getObjectHandle());
            if (thumbnail != null) {
                Bitmap bitmap = BitmapFactory.decodeByteArray(thumbnail, 0, thumbnail.length);
                if (bitmap != null) {
                    ImageView thumbView = (ImageView) findViewById(R.id.thumbnail);
                    thumbView.setImageBitmap(bitmap);
                }
            }
        }
    }
}

Example 4 with MtpObjectInfo

use of android.mtp.MtpObjectInfo in project platform_frameworks_base by android.

the class MtpFileWriter method flush.

void flush(MtpManager manager, MtpDatabase database, int[] operationsSupported) throws IOException, ErrnoException {
    // Skip unnecessary flush.
    if (!mDirty) {
        return;
    }
    // Get the placeholder object info.
    final Identifier identifier = database.createIdentifier(mDocumentId);
    final MtpObjectInfo placeholderObjectInfo = manager.getObjectInfo(identifier.mDeviceId, identifier.mObjectHandle);
    // Delete the target object info if it already exists (as a placeholder).
    manager.deleteDocument(identifier.mDeviceId, identifier.mObjectHandle);
    // Create the target object info with a correct file size and upload the file.
    final long size = Os.lseek(mCacheFd.getFileDescriptor(), 0, OsConstants.SEEK_END);
    final MtpObjectInfo targetObjectInfo = new MtpObjectInfo.Builder(placeholderObjectInfo).setCompressedSize(size).build();
    Os.lseek(mCacheFd.getFileDescriptor(), 0, OsConstants.SEEK_SET);
    final int newObjectHandle = manager.createDocument(identifier.mDeviceId, targetObjectInfo, mCacheFd);
    final MtpObjectInfo newObjectInfo = manager.getObjectInfo(identifier.mDeviceId, newObjectHandle);
    final Identifier parentIdentifier = database.getParentIdentifier(identifier.mDocumentId);
    database.updateObject(identifier.mDocumentId, identifier.mDeviceId, parentIdentifier.mDocumentId, operationsSupported, newObjectInfo, size);
    mDirty = false;
}

Example 5 with MtpObjectInfo

use of android.mtp.MtpObjectInfo in project platform_frameworks_base by android.

the class TestMtpManager method createDocument.

@Override
int createDocument(int deviceId, MtpObjectInfo objectInfo, ParcelFileDescriptor source) throws IOException {
    final String key = pack(deviceId, CREATED_DOCUMENT_HANDLE);
    if (mObjectInfos.containsKey(key)) {
        throw new IOException();
    }
    final MtpObjectInfo newInfo = new MtpObjectInfo.Builder(objectInfo).setObjectHandle(CREATED_DOCUMENT_HANDLE).build();
    mObjectInfos.put(key, newInfo);
    if (objectInfo.getFormat() != 0x3001) {
        try (final ParcelFileDescriptor.AutoCloseInputStream inputStream = new ParcelFileDescriptor.AutoCloseInputStream(source)) {
            final byte[] buffer = new byte[objectInfo.getCompressedSize()];
            if (inputStream.read(buffer, 0, objectInfo.getCompressedSize()) != objectInfo.getCompressedSize()) {
                throw new IOException();
            }
            mImportFileBytes.put(pack(deviceId, CREATED_DOCUMENT_HANDLE), buffer);
        }
    }
    return CREATED_DOCUMENT_HANDLE;
}