MESSENGER-4016 add netiquette

Riot/Modules/Settings/SettingsViewController.m

@@ -215,6 +215,7 @@ typedef NS_ENUM(NSUInteger, ABOUT)
     ABOUT_MARK_ALL_AS_READ_INDEX,
     ABOUT_CLEAR_CACHE_INDEX,
     ABOUT_REPORT_BUG_INDEX,
+    ABOUT_NETIQUETTE_INDEX
 };
 
 typedef NS_ENUM(NSUInteger, LABS_ENABLE)
@@ -686,6 +687,11 @@ ChangePasswordCoordinatorBridgePresenterDelegate>
     }
     
     Section *sectionAbout = [Section sectionWithTag:SECTION_TAG_ABOUT];
+    // bwi: add netiquette if feature is enabled and available
+    if ([self isNetiquetteSettingsShown])
+    {
+      [sectionAbout addRowWithTag:ABOUT_NETIQUETTE_INDEX];
+    }
     [sectionAbout addRowWithTag:ABOUT_VERSION_INDEX];
     [sectionAbout addRowWithTag:ABOUT_OLM_VERSION_INDEX];
 
@@ -2772,10 +2778,18 @@ ChangePasswordCoordinatorBridgePresenterDelegate>
 
             cell = reportBugBtnCell;
         }
-    }
-    else if (section == SECTION_TAG_ABOUT)
-    {
-        if (row == ABOUT_TERM_CONDITIONS_INDEX)
+        // bwi: show netiquette cell in about section
+        else if (row == ABOUT_NETIQUETTE_INDEX)
+        {
+            MXKTableViewCell *netiquetteCell = [self getDefaultTableViewCell:tableView];
+            
+            netiquetteCell.textLabel.text = BWIL10n.bwiSettingsNetiquette;
+            
+            [netiquetteCell vc_setAccessoryDisclosureIndicatorWithCurrentTheme];
+            
+            cell = netiquetteCell;
+        }
+        else if (row == ABOUT_TERM_CONDITIONS_INDEX)
         {
             MXKTableViewCell *termAndConditionCell = [self getDefaultTableViewCell:tableView];
 
@@ -3239,7 +3253,12 @@ ChangePasswordCoordinatorBridgePresenterDelegate>
         }
         else if (section == SECTION_TAG_ABOUT)
         {
-            if (row == ABOUT_COPYRIGHT_INDEX)
+            // bwi: show netiquette infos
+            if (row == ABOUT_NETIQUETTE_INDEX)
+            {
+                [self showNetiquetteInfos];
+            }
+            else if (row == ABOUT_COPYRIGHT_INDEX)
             {
                 WebViewViewController *webViewViewController = [[WebViewViewController alloc] initWithURL:BWIBuildSettings.shared.applicationCopyrightUrlString];
                 
@@ -4496,6 +4515,24 @@ ChangePasswordCoordinatorBridgePresenterDelegate>
     RiotSettings.shared.enableLiveLocationSharing = sender.isOn;
 }
 
+// bwi: show netiquette infos in webview
+- (void)showNetiquetteInfos
+{
+    // Get local HTML content in preferred language (default language is german, if preferred language is not available)
+    NSString* htmlFile;
+    if ([[self bwiGetPreferredLanguageCode] isEqual: @"en"]) {
+        htmlFile = [[NSBundle mainBundle] pathForResource:BWIBuildSettings.shared.netiquetteEnHTML ofType:@"html" inDirectory:nil];
+    } else {
+        htmlFile = [[NSBundle mainBundle] pathForResource:BWIBuildSettings.shared.netiquetteDeHTML ofType:@"html" inDirectory:nil];
+    }
+    WebViewViewController *webViewViewController = [[WebViewViewController alloc] initWithLocalHTMLFile:htmlFile];
+    
+    webViewViewController.title = BWIL10n.bwiSettingsNetiquette;
+    [webViewViewController vc_setLargeTitleDisplayMode:UINavigationItemLargeTitleDisplayModeNever];
+
+    [self pushViewController:webViewViewController];
+}
+
 #pragma mark - TextField listener
 
 - (IBAction)textFieldDidChange:(id)sender
@@ -5150,6 +5187,30 @@ ChangePasswordCoordinatorBridgePresenterDelegate>
     [self pushViewController:ignoredUsersViewController];
 }
 
+- (BOOL) isNetiquetteSettingsShown {
+    if ([BWIBuildSettings.shared bwiShowNetiquetteInfos]) {
+        if ([[self bwiGetPreferredLanguageCode] isEqual: @"en"]) {
+            if ([[NSBundle mainBundle] pathForResource:BWIBuildSettings.shared.netiquetteEnHTML ofType:@"html" inDirectory:nil] != nil) {
+                return true;
+            } else {
+                return false;
+            }
+        } else {
+            if ([[NSBundle mainBundle] pathForResource:BWIBuildSettings.shared.netiquetteDeHTML ofType:@"html" inDirectory:nil] != nil) {
+                return true;
+            } else {
+                return false;
+            }
+        }
+    } else {
+        return false;
+    }
+}
+
+- (NSString*) bwiGetPreferredLanguageCode {
+    return ([[NSLocale componentsFromLocaleIdentifier:[[NSLocale preferredLanguages] firstObject]] objectForKey:@"kCFLocaleLanguageCodeKey"]);
+}
+
 #pragma mark - ThreadsBetaCoordinatorBridgePresenterDelegate
 
 - (void)threadsBetaCoordinatorBridgePresenterDelegateDidTapEnable:(ThreadsBetaCoordinatorBridgePresenter *)coordinatorBridgePresenter