allow user to set MAM preferences

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

@@ -3024,6 +3024,33 @@ public class XmppConnectionService extends Service implements OnPhoneContactsLoa
 		}
 	}
 
+	public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
+		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
+		request.addChild("prefs","urn:xmpp:mam:0");
+		sendIqPacket(account, request, new OnIqPacketReceived() {
+			@Override
+			public void onIqPacketReceived(Account account, IqPacket packet) {
+				Element prefs = packet.findChild("prefs","urn:xmpp:mam:0");
+				if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
+					callback.onPreferencesFetched(prefs);
+				} else {
+					callback.onPreferencesFetchFailed();
+				}
+			}
+		});
+	}
+
+	public interface OnMamPreferencesFetched {
+		void onPreferencesFetched(Element prefs);
+		void onPreferencesFetchFailed();
+	}
+
+	public void pushMamPreferences(Account account, Element prefs) {
+		IqPacket set = new IqPacket(IqPacket.TYPE.SET);
+		set.addChild(prefs);
+		sendIqPacket(account, set, null);
+	}
+
 	public interface OnAccountCreated {
 		void onAccountCreated(Account account);
 

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

@@ -32,7 +32,10 @@ import android.widget.TableLayout;
 import android.widget.TextView;
 import android.widget.Toast;
 
+import java.util.Arrays;
+import java.util.List;
 import java.util.Set;
+import java.util.concurrent.atomic.AtomicInteger;
 
 import eu.siacs.conversations.Config;
 import eu.siacs.conversations.R;
@@ -44,6 +47,7 @@ import eu.siacs.conversations.services.XmppConnectionService.OnAccountUpdate;
 import eu.siacs.conversations.ui.adapter.KnownHostsAdapter;
 import eu.siacs.conversations.utils.CryptoHelper;
 import eu.siacs.conversations.utils.UIHelper;
+import eu.siacs.conversations.xml.Element;
 import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
 import eu.siacs.conversations.xmpp.XmppConnection.Features;
 import eu.siacs.conversations.xmpp.forms.Data;
@@ -52,7 +56,7 @@ import eu.siacs.conversations.xmpp.jid.Jid;
 import eu.siacs.conversations.xmpp.pep.Avatar;
 
 public class EditAccountActivity extends XmppActivity implements OnAccountUpdate,
-		OnKeyStatusUpdated, OnCaptchaRequested, KeyChainAliasCallback, XmppConnectionService.OnShowErrorToast {
+		OnKeyStatusUpdated, OnCaptchaRequested, KeyChainAliasCallback, XmppConnectionService.OnShowErrorToast, XmppConnectionService.OnMamPreferencesFetched {
 
 	private AutoCompleteTextView mAccountJid;
 	private EditText mPassword;
@@ -218,6 +222,7 @@ public class EditAccountActivity extends XmppActivity implements OnAccountUpdate
 			finish();
 		}
 	};
+	private Toast mFetchingMamPrefsToast;
 
 	public void refreshUiReal() {
 		invalidateOptionsMenu();
@@ -465,6 +470,7 @@ public class EditAccountActivity extends XmppActivity implements OnAccountUpdate
 		final MenuItem changePassword = menu.findItem(R.id.action_change_password_on_server);
 		final MenuItem clearDevices = menu.findItem(R.id.action_clear_devices);
 		final MenuItem renewCertificate = menu.findItem(R.id.action_renew_certificate);
+		final MenuItem mamPrefs = menu.findItem(R.id.action_mam_prefs);
 
 		renewCertificate.setVisible(mAccount != null && mAccount.getPrivateKeyAlias() != null);
 
@@ -475,6 +481,7 @@ public class EditAccountActivity extends XmppActivity implements OnAccountUpdate
 			if (!mAccount.getXmppConnection().getFeatures().register()) {
 				changePassword.setVisible(false);
 			}
+			mamPrefs.setVisible(mAccount.getXmppConnection().getFeatures().mam());
 			Set<Integer> otherDevices = mAccount.getAxolotlService().getOwnDeviceIds();
 			if (otherDevices == null || otherDevices.isEmpty()) {
 				clearDevices.setVisible(false);
@@ -485,6 +492,7 @@ public class EditAccountActivity extends XmppActivity implements OnAccountUpdate
 			showMoreInfo.setVisible(false);
 			changePassword.setVisible(false);
 			clearDevices.setVisible(false);
+			mamPrefs.setVisible(false);
 		}
 		return true;
 	}
@@ -568,6 +576,9 @@ public class EditAccountActivity extends XmppActivity implements OnAccountUpdate
 				changePasswordIntent.putExtra(EXTRA_ACCOUNT, mAccount.getJid().toString());
 				startActivity(changePasswordIntent);
 				break;
+			case R.id.action_mam_prefs:
+				editMamPrefs();
+				break;
 			case R.id.action_clear_devices:
 				showWipePepDialog();
 				break;
@@ -799,6 +810,12 @@ public class EditAccountActivity extends XmppActivity implements OnAccountUpdate
 		builder.create().show();
 	}
 
+	private void editMamPrefs() {
+		this.mFetchingMamPrefsToast = Toast.makeText(this, R.string.fetching_mam_prefs, Toast.LENGTH_LONG);
+		this.mFetchingMamPrefsToast.show();
+		xmppConnectionService.fetchMamPreferences(mAccount, this);
+	}
+
 	@Override
 	public void onKeyStatusUpdated(AxolotlService.FetchStatus report) {
 		refreshUi();
@@ -878,4 +895,49 @@ public class EditAccountActivity extends XmppActivity implements OnAccountUpdate
 			}
 		});
 	}
+
+	@Override
+	public void onPreferencesFetched(final Element prefs) {
+		runOnUiThread(new Runnable() {
+			@Override
+			public void run() {
+				if (mFetchingMamPrefsToast != null) {
+					mFetchingMamPrefsToast.cancel();
+				}
+				AlertDialog.Builder builder = new Builder(EditAccountActivity.this);
+				builder.setTitle(R.string.mam_prefs);
+				String defaultAttr = prefs.getAttribute("default");
+				final List<String> defaults = Arrays.asList("never", "roster", "always");
+				final AtomicInteger choice = new AtomicInteger(Math.max(0,defaults.indexOf(defaultAttr)));
+				builder.setSingleChoiceItems(R.array.mam_prefs, choice.get(), new DialogInterface.OnClickListener() {
+					@Override
+					public void onClick(DialogInterface dialog, int which) {
+						choice.set(which);
+					}
+				});
+				builder.setNegativeButton(R.string.cancel, null);
+				builder.setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() {
+					@Override
+					public void onClick(DialogInterface dialog, int which) {
+						prefs.setAttribute("default",defaults.get(choice.get()));
+						xmppConnectionService.pushMamPreferences(mAccount, prefs);
+					}
+				});
+				builder.create().show();
+			}
+		});
+	}
+
+	@Override
+	public void onPreferencesFetchFailed() {
+		runOnUiThread(new Runnable() {
+			@Override
+			public void run() {
+				if (mFetchingMamPrefsToast != null) {
+					mFetchingMamPrefsToast.cancel();
+				}
+				Toast.makeText(EditAccountActivity.this,R.string.unable_to_fetch_mam_prefs,Toast.LENGTH_LONG).show();
+			}
+		});
+	}
 }

src/main/res/menu/editaccount.xml

@@ -2,35 +2,40 @@
 
     <item
         android:id="@+id/action_show_qr_code"
-        android:title="@string/show_qr_code"
-        android:showAsAction="never" />
+        android:showAsAction="never"
+        android:title="@string/show_qr_code"/>
 
     <item
         android:id="@+id/action_show_block_list"
-        android:title="@string/show_block_list"
-        android:showAsAction="never" />
+        android:showAsAction="never"
+        android:title="@string/show_block_list"/>
 
     <item
         android:id="@+id/action_renew_certificate"
+        android:showAsAction="never"
         android:title="@string/action_renew_certificate"
-        android:visible="false"
-        android:showAsAction="never" />
-        />
+        android:visible="false"/>
 
     <item
         android:id="@+id/action_server_info_show_more"
-        android:title="@string/server_info_show_more"
         android:checkable="true"
         android:checked="false"
-        android:showAsAction="never" />
+        android:showAsAction="never"
+        android:title="@string/server_info_show_more"/>
 
-	<item android:id="@+id/action_change_password_on_server"
-          android:title="@string/change_password"
-          android:showAsAction="never" />
+    <item
+        android:id="@+id/action_mam_prefs"
+        android:title="@string/mam_prefs"/>
 
-    <item android:id="@+id/action_clear_devices"
-          android:title="@string/clear_other_devices"
-          android:showAsAction="never"/>
+    <item
+        android:id="@+id/action_change_password_on_server"
+        android:showAsAction="never"
+        android:title="@string/change_password"/>
+
+    <item
+        android:id="@+id/action_clear_devices"
+        android:showAsAction="never"
+        android:title="@string/clear_other_devices"/>
     <item
         android:id="@+id/action_settings"
         android:orderInCategory="100"

src/main/res/values/arrays.xml

@@ -69,4 +69,10 @@
 		<item>@string/automatically</item>
 		<item>@string/always</item>
 	</string-array>
+
+	<string-array name="mam_prefs">
+		<item>@string/never</item>
+		<item>@string/contacts</item>
+		<item>@string/always</item>
+	</string-array>
 </resources>

src/main/res/values/strings.xml

@@ -538,6 +538,9 @@
 	<string name="action_add_account_with_certificate">Add account with certificate</string>
 	<string name="unable_to_parse_certificate">Unable to parse certificate</string>
 	<string name="authenticate_with_certificate">Leave empty to authenticate w/ certificate</string>
+	<string name="mam_prefs">Archiving preferences</string>
+	<string name="fetching_mam_prefs">Fetching archiving preferences. Please wait…</string>
+	<string name="unable_to_fetch_mam_prefs">Unable to fetch archiving preferences</string>
 	<string name="captcha_ocr">Captcha text</string>
 	<string name="captcha_required">Captcha required</string>
 	<string name="captcha_hint">enter the text from the image</string>