Java ImageMessage類代碼示例

import org.matrix.androidsdk.rest.model.ImageMessage; //導入依賴的package包/類
/**
 * @return the imageMessages list
 */
private ArrayList<SlidableImageInfo> listImageMessages() {
    ArrayList<SlidableImageInfo> res = new ArrayList<SlidableImageInfo>();

    for(int position = 0; position < mAdapter.getCount(); position++) {
        MessageRow row = mAdapter.getItem(position);
        Message message = JsonUtils.toMessage(row.getEvent().content);

        if (Message.MSGTYPE_IMAGE.equals(message.msgtype)) {
            ImageMessage imageMessage = (ImageMessage)message;

            SlidableImageInfo info = new SlidableImageInfo();

            info.mImageUrl = imageMessage.url;
            info.mRotationAngle = imageMessage.getRotation();
            info.mOrientation = imageMessage.getOrientation();
            info.mMimeType = imageMessage.getMimeType();
            info.midentifier = row.getEvent().eventId;
            res.add(info);
        }
    }

    return res;
}
 

import org.matrix.androidsdk.rest.model.ImageMessage; //導入依賴的package包/類
/**
 * Returns the mediaMessage position in listMediaMessages.
 *
 * @param mediaMessagesList the media messages list
 * @param mediaMessage      the imageMessage
 * @return the imageMessage position. -1 if not found.
 */
int getMediaMessagePosition(ArrayList<SlidableMediaInfo> mediaMessagesList, Message mediaMessage) {
    String url = null;

    if (mediaMessage instanceof ImageMessage) {
        url = ((ImageMessage) mediaMessage).getUrl();
    } else if (mediaMessage instanceof VideoMessage) {
        url = ((VideoMessage) mediaMessage).getUrl();
    }

    // sanity check
    if (null == url) {
        return -1;
    }

    for (int index = 0; index < mediaMessagesList.size(); index++) {
        if (mediaMessagesList.get(index).mMediaUrl.equals(url)) {
            return index;
        }
    }

    return -1;
}
 

import org.matrix.androidsdk.rest.model.ImageMessage; //導入依賴的package包/類
/**
 * Fills the imageMessage imageInfo.
 *
 * @param context      Application context for the content resolver.
 * @param imageMessage The imageMessage to fill.
 * @param thumbUri     The thumbnail uri
 * @param mimeType     The image mimeType
 */
public static void fillThumbnailInfo(Context context, ImageMessage imageMessage, Uri thumbUri, String mimeType) {
    ImageInfo imageInfo = getImageInfo(context, null, thumbUri, mimeType);

    if (null != imageInfo) {
        if (null == imageMessage.info) {
            imageMessage.info = new ImageInfo();
        }

        imageMessage.info.thumbnailInfo = new ThumbnailInfo();
        imageMessage.info.thumbnailInfo.w = imageInfo.w;
        imageMessage.info.thumbnailInfo.h = imageInfo.h;
        imageMessage.info.thumbnailInfo.size = imageInfo.size;
        imageMessage.info.thumbnailInfo.mimetype = imageInfo.mimetype;
    }
}
 

import org.matrix.androidsdk.rest.model.ImageMessage; //導入依賴的package包/類
/**
 * Returns the imageMessages position in listImageMessages.
 * @param listImageMessages the messages list.
 * @param imageMessage the imageMessage
 * @return the imageMessage position. -1 if not found.
 */
private int getImageMessagePosition(ArrayList<SlidableImageInfo> listImageMessages, ImageMessage imageMessage) {
    for(int index = 0; index < listImageMessages.size(); index++) {
        if (listImageMessages.get(index).mImageUrl.equals(imageMessage.url)) {
            return index;
        }
    }

    return -1;
}
 

import org.matrix.androidsdk.rest.model.ImageMessage; //導入依賴的package包/類
public static ImageMessage toImageMessage(JsonElement jsonObject) {
    try {
        return gson.fromJson(jsonObject, ImageMessage.class);
    } catch (Exception e) {
        Log.e(LOG_TAG, "## toImageMessage failed " + e.getMessage());
    }

    return new ImageMessage();
}
 

import org.matrix.androidsdk.rest.model.ImageMessage; //導入依賴的package包/類
/**
 * Build an image message from a RoomMediaMessage.
 *
 * @param roomMediaMessage the roomMediaMessage
 * @return the image message
 */
private Message buildImageMessage(RoomMediaMessage roomMediaMessage) {
    try {
        String mimeType = roomMediaMessage.getMimeType(mContext);
        final MXMediasCache mediasCache = mDataHandler.getMediasCache();

        String mediaUrl = getMediaUrl(roomMediaMessage);

        // compute the thumbnail
        Bitmap thumbnailBitmap = roomMediaMessage.getFullScreenImageKindThumbnail(mContext);

        if (null == thumbnailBitmap) {
            thumbnailBitmap = getMediasPickerThumbnail(roomMediaMessage);
        }

        if (null == thumbnailBitmap) {
            Pair<Integer, Integer> thumbnailSize = roomMediaMessage.getThumnailSize();
            thumbnailBitmap = ResourceUtils.createThumbnailBitmap(mContext, roomMediaMessage.getUri(), thumbnailSize.first, thumbnailSize.second);
        }

        if (null == thumbnailBitmap) {
            thumbnailBitmap = roomMediaMessage.getMiniKindImageThumbnail(mContext);
        }

        String thumbnailURL = null;

        if (null != thumbnailBitmap) {
            thumbnailURL = mediasCache.saveBitmap(thumbnailBitmap, null);
        }

        // get the exif rotation angle
        final int rotationAngle = ImageUtils.getRotationAngleForBitmap(mContext, Uri.parse(mediaUrl));

        if (0 != rotationAngle) {
            // always apply the rotation to the image
            ImageUtils.rotateImage(mContext, thumbnailURL, rotationAngle, mediasCache);
        }

        ImageMessage imageMessage = new ImageMessage();
        imageMessage.url = mediaUrl;
        imageMessage.body = roomMediaMessage.getFileName(mContext);

        if (TextUtils.isEmpty(imageMessage.body)) {
            imageMessage.body = "Image";
        }

        Uri imageUri = Uri.parse(mediaUrl);

        if (null == imageMessage.info) {
            Room.fillImageInfo(mContext, imageMessage, imageUri, mimeType);
        }

        if ((null != thumbnailURL) && (null != imageMessage.info) && (null == imageMessage.info.thumbnailInfo)) {
            Uri thumbUri = Uri.parse(thumbnailURL);
            Room.fillThumbnailInfo(mContext, imageMessage, thumbUri, "image/jpeg");
            imageMessage.info.thumbnailUrl = thumbnailURL;
        }

        return imageMessage;
    } catch (Exception e) {
        Log.e(LOG_TAG, "## buildImageMessage() failed " + e.getMessage());
    }

    return null;
}
 

import org.matrix.androidsdk.rest.model.ImageMessage; //導入依賴的package包/類
/**
 * Fills the imageMessage imageInfo.
 *
 * @param context      Application context for the content resolver.
 * @param imageMessage The imageMessage to fill.
 * @param imageUri     The full size image uri.
 * @param mimeType     The image mimeType
 */
public static void fillImageInfo(Context context, ImageMessage imageMessage, Uri imageUri, String mimeType) {
    imageMessage.info = getImageInfo(context, imageMessage.info, imageUri, mimeType);
}