63 lines
2.1 KiB
Java
63 lines
2.1 KiB
Java
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package org.thoughtcrime.securesms.providers;
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import android.content.ContentUris;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.graphics.Bitmap.CompressFormat;
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import android.net.Uri;
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import org.thoughtcrime.securesms.crypto.DecryptingPartInputStream;
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import org.thoughtcrime.securesms.crypto.EncryptingPartOutputStream;
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import org.thoughtcrime.securesms.crypto.MasterSecret;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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public class CaptureProvider {
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private static final String TAG = CaptureProvider.class.getSimpleName();
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private static final String URI_STRING = "content://org.thoughtcrime.securesms/capture";
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public static final Uri CONTENT_URI = Uri.parse(URI_STRING);
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public static final String AUTHORITY = "org.thoughtcrime.securesms";
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public static final String EXPECTED_PATH = "capture/#";
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private static volatile CaptureProvider instance;
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public static CaptureProvider getInstance(Context context) {
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if (instance == null) {
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synchronized (CaptureProvider.class) {
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if (instance == null) {
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instance = new CaptureProvider(context);
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}
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}
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}
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return instance;
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}
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private final Context context;
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private CaptureProvider(Context context) {
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this.context = context.getApplicationContext();
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}
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public Uri create(MasterSecret masterSecret, Bitmap bitmap) throws IOException {
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long id = System.currentTimeMillis();
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OutputStream output = new EncryptingPartOutputStream(getFile(id), masterSecret);
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bitmap.compress(CompressFormat.JPEG, 100, output);
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output.close();
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return ContentUris.withAppendedId(CONTENT_URI, id);
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}
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public boolean delete(Uri uri) {
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return getFile(ContentUris.parseId(uri)).delete();
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}
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public InputStream getStream(MasterSecret masterSecret, long id) throws IOException {
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return new DecryptingPartInputStream(getFile(id), masterSecret);
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}
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private File getFile(long id) {
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return new File(context.getDir("captures", Context.MODE_PRIVATE), id + ".capture");
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}
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}
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