delegate uri permission to service when processing files

src/main/java/eu/siacs/conversations/services/XmppConnectionService.java

@@ -670,6 +670,12 @@ public class XmppConnectionService extends Service {
 					Log.d(Config.LOGTAG, "gcm push message arrived in service. extras=" + intent.getExtras());
 					pushedAccountHash = intent.getStringExtra("account");
 					break;
+				case Intent.ACTION_SEND:
+					Uri uri = intent.getData();
+					if (uri != null) {
+						Log.d(Config.LOGTAG, "received uri permission for "+uri.toString());
+					}
+					return START_STICKY;
 			}
 		}
 		synchronized (this) {

src/main/java/eu/siacs/conversations/ui/ConversationActivity.java

@@ -1601,6 +1601,7 @@ public class ConversationActivity extends XmppActivity
 		}
 		final Toast prepareFileToast = Toast.makeText(getApplicationContext(),getText(R.string.preparing_file), Toast.LENGTH_LONG);
 		prepareFileToast.show();
+		delegateUriPermissionsToService(uri);
 		xmppConnectionService.attachFileToConversation(conversation, uri, new UiInformableCallback<Message>() {
 			@Override
 			public void inform(final String text) {
@@ -1654,6 +1655,7 @@ public class ConversationActivity extends XmppActivity
 		}
 		final Toast prepareFileToast = Toast.makeText(getApplicationContext(),getText(R.string.preparing_image), Toast.LENGTH_LONG);
 		prepareFileToast.show();
+		delegateUriPermissionsToService(uri);
 		xmppConnectionService.attachImageToConversation(conversation, uri,
 				new UiCallback<Message>() {
 

src/main/java/eu/siacs/conversations/ui/ConversationFragment.java

@@ -816,7 +816,7 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
 				Toast.makeText(activity, activity.getString(R.string.no_permission_to_access_x, file.getAbsolutePath()), Toast.LENGTH_SHORT).show();
 				return;
 			}
-			shareIntent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
+			shareIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
 			String mime = message.getMimeType();
 			if (mime == null) {
 				mime = "*/*";

src/main/java/eu/siacs/conversations/ui/ShareWithActivity.java

@@ -318,11 +318,15 @@ public class ShareWithActivity extends XmppActivity implements XmppConnectionSer
 					share.multiple = share.uris.size() > 1;
 					replaceToast(getString(share.multiple ? R.string.preparing_images : R.string.preparing_image));
 					for (Iterator<Uri> i = share.uris.iterator(); i.hasNext(); i.remove()) {
+						final Uri uri = i.next();
+						delegateUriPermissionsToService(uri);
 						xmppConnectionService.attachImageToConversation(conversation, i.next(), attachFileCallback);
 					}
 				} else {
 					replaceToast(getString(R.string.preparing_file));
-					xmppConnectionService.attachFileToConversation(conversation, share.uris.get(0), attachFileCallback);
+					final Uri uri = share.uris.get(0);
+					delegateUriPermissionsToService(uri);
+					xmppConnectionService.attachFileToConversation(conversation, uri, attachFileCallback);
 				}
 			};
 			if (account.httpUploadAvailable()

src/main/java/eu/siacs/conversations/ui/XmppActivity.java

@@ -525,6 +525,14 @@ public abstract class XmppActivity extends Activity {
 		startActivity(intent);
 	}
 
+	protected void delegateUriPermissionsToService(Uri uri) {
+		Intent intent = new Intent(this,XmppConnectionService.class);
+		intent.setAction(Intent.ACTION_SEND);
+		intent.setData(uri);
+		intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
+		startService(intent);
+	}
+
 	protected void inviteToConversation(Conversation conversation) {
 		Intent intent = new Intent(getApplicationContext(),
 				ChooseContactActivity.class);