rename urlRouter option in view models to urlCreator

src/domain/LoginViewModel.js

@@ -70,7 +70,7 @@ export class LoginViewModel extends ViewModel {
     }
 
     get cancelUrl() {
-        return this.urlRouter.urlForSegment("session");
+        return this.urlCreator.urlForSegment("session");
     }
 
     dispose() {

src/domain/RootViewModel.js

@@ -38,7 +38,7 @@ export class RootViewModel extends ViewModel {
     async load() {
         this.track(this.navigation.observe("login").subscribe(() => this._applyNavigation()));
         this.track(this.navigation.observe("session").subscribe(() => this._applyNavigation()));
-        this._applyNavigation(this.urlRouter.getLastUrl());
+        this._applyNavigation(this.urlCreator.getLastUrl());
     }
 
     async _applyNavigation(restoreUrlIfAtDefault) {
@@ -59,7 +59,7 @@ export class RootViewModel extends ViewModel {
         } else {
             try {
                 if (restoreUrlIfAtDefault) {
-                    this.urlRouter.pushUrl(restoreUrlIfAtDefault);
+                    this.urlCreator.pushUrl(restoreUrlIfAtDefault);
                 } else {
                     const sessionInfos = await this._sessionInfoStorage.getAll();
                     if (sessionInfos.length === 0) {

src/domain/SessionPickerViewModel.js

@@ -76,7 +76,7 @@ class SessionItemViewModel extends ViewModel {
     }
 
     get openUrl() {
-        return this.urlRouter.urlForSegment("session", this.id);
+        return this.urlCreator.urlForSegment("session", this.id);
     }
 
     get label() {
@@ -189,6 +189,6 @@ export class SessionPickerViewModel extends ViewModel {
     }
 
     get cancelUrl() {
-        return this.urlRouter.urlForSegment("login");
+        return this.urlCreator.urlForSegment("login");
     }
 }

src/domain/ViewModel.js

@@ -30,8 +30,8 @@ export class ViewModel extends EventEmitter {
     }
 
     childOptions(explicitOptions) {
-        const {navigation, urlRouter, clock} = this._options;
-        return Object.assign({navigation, urlRouter, clock}, explicitOptions);
+        const {navigation, urlCreator, clock} = this._options;
+        return Object.assign({navigation, urlCreator, clock}, explicitOptions);
     }
 
     track(disposable) {
@@ -99,8 +99,12 @@ export class ViewModel extends EventEmitter {
         return this._options.clock;
     }
 
-    get urlRouter() {
-        return this._options.urlRouter;
+    /**
+     * The url router, only meant to be used to create urls with from view models.
+     * @return {URLRouter}
+     */
+    get urlCreator() {
+        return this._options.urlCreator;
     }
 
     get navigation() {

src/domain/session/leftpanel/LeftPanelViewModel.js

@@ -44,7 +44,7 @@ export class LeftPanelViewModel extends ViewModel {
         this._roomList = this._roomListFilterMap.sortValues((a, b) => a.compare(b));
         this._currentTileVM = null;
         this._setupNavigation();
-        this._closeUrl = this.urlRouter.urlForSegment("session");
+        this._closeUrl = this.urlCreator.urlForSegment("session");
     }
 
     get closeUrl() {

src/domain/session/leftpanel/RoomTileViewModel.js

@@ -30,7 +30,7 @@ export class RoomTileViewModel extends ViewModel {
         this._isOpen = false;
         this._wasUnreadWhenOpening = false;
         this._hidden = false;
-        this._url = this.urlRouter.openRoomActionUrl(this._room.id);
+        this._url = this.urlCreator.openRoomActionUrl(this._room.id);
         if (options.isOpen) {
             this.open();
         }

src/domain/session/room/RoomViewModel.js

@@ -32,7 +32,7 @@ export class RoomViewModel extends ViewModel {
         this._sendError = null;
         this._composerVM = new ComposerViewModel(this);
         this._clearUnreadTimout = null;
-        this._closeUrl = this.urlRouter.urlUntilSegment("session");
+        this._closeUrl = this.urlCreator.urlUntilSegment("session");
     }
 
     get closeUrl() {

src/main.js

@@ -143,7 +143,9 @@ export async function main(container, paths, legacyExtras) {
             sessionInfoStorage,
             storageFactory,
             clock,
-            urlRouter,
+            // the only public interface of the router is to create urls,
+            // so we call it that in the view models
+            urlCreator: urlRouter,
             navigation,
             updateService: serviceWorkerHandler
         });