feat: Adapt to channel-invite QR codes

Author: Hocuri

src/main/java/com/b44t/messenger/DcContext.java

@@ -49,6 +49,7 @@ public class DcContext {
 
     public final static int DC_QR_ASK_VERIFYCONTACT = 200;
     public final static int DC_QR_ASK_VERIFYGROUP   = 202;
+    public final static int DC_QR_ASK_JOIN_BROADCAST= 204;
     public final static int DC_QR_FPR_OK            = 210;
     public final static int DC_QR_FPR_MISMATCH      = 220;
     public final static int DC_QR_FPR_WITHOUT_ADDR  = 230;

src/main/java/org/thoughtcrime/securesms/ProfileAdapter.java

@@ -314,9 +314,7 @@ public void changeData(@Nullable int[] memberList, @Nullable DcContact dcContact
       if (dcChat != null) {
         if (dcChat.canSend() && dcChat.isEncrypted()) {
           itemData.add(new ItemData(ITEM_MEMBERS, DcContact.DC_CONTACT_ID_ADD_MEMBER, 0));
-          if (!isOutBroadcast) {
-            itemData.add(new ItemData(ITEM_MEMBERS, DcContact.DC_CONTACT_ID_QR_INVITE, 0));
-          }
+          itemData.add(new ItemData(ITEM_MEMBERS, DcContact.DC_CONTACT_ID_QR_INVITE, 0));
         }
       }
       for (int value : memberList) {

src/main/java/org/thoughtcrime/securesms/qr/QrCodeHandler.java

@@ -43,6 +43,7 @@ public void handleQrData(String rawString) {
         switch (qrParsed.getState()) {
             case DcContext.DC_QR_ASK_VERIFYCONTACT:
             case DcContext.DC_QR_ASK_VERIFYGROUP:
+            case DcContext.DC_QR_ASK_JOIN_BROADCAST:
                 showVerifyContactOrGroup(activity, builder, rawString, qrParsed, name);
                 break;
 
@@ -225,6 +226,9 @@ private void showVerifyContactOrGroup(Activity activity, AlertDialog.Builder bui
             case DcContext.DC_QR_ASK_VERIFYGROUP:
                 msg = activity.getString(R.string.qrscan_ask_join_group, qrParsed.getText1());
                 break;
+            case DcContext.DC_QR_ASK_JOIN_BROADCAST:
+                msg = activity.getString(R.string.qrscan_ask_join_channel, qrParsed.getText1());
+                break;
             default:
                 msg = activity.getString(R.string.ask_start_chat_with, name);
                 break;

src/main/res/values/strings.xml

@@ -1005,6 +1005,7 @@
     <string name="qrscan_hint_desktop">Move the QR code to the camera</string>
     <string name="qrscan_failed">QR code could not be decoded</string>
     <string name="qrscan_ask_join_group">Do you want to join the group \"%1$s\"?</string>
+    <string name="qrscan_ask_join_channel">Do you want to join the channel \"%1$s\"?</string>
     <string name="qrscan_fingerprint_mismatch">The scanned fingerprint does not match the last seen for %1$s.</string>
     <string name="qrscan_no_addr_found">This QR code contains a fingerprint but no address.\n\nFor an out-of-band-verification, please establish an encrypted connection to the recipient first.</string>
     <string name="qrscan_contains_text">Scanned QR code text:\n\n%1$s</string>