Add ApplicationService app status management (#50223)

* add unimplemented registerAppStatusUpdater & remove observers for apps and legacyApps

* adapt NavLinksService to use new application observables

* merge availableApps$ and availableLegacyApps$

* updating core docs

* adapt the navLink updating methods

* filters the inaccessible apps from availableApps$

* restrict access to navigateToApp depending on app status

* fixes due to merge

* add statusUpdater$ to AppBase

* export new types

* disable navlink depending on app status

* update generated doc

* update snapshots for disabled prop

* Address josh review

* Address review comments

* fix merge conflicts

* adapt changes due to merge

* update generated doc

* add comment and fix navlink url for custom url apps

* add AppNavLinkStatus type to split app/navlink states

* fix typo

* review comments and improvements

* add functional tests

* update generated docs and migration guide

* fix wrong type cast on AppsMenuProvider.readLinks

* properly type return of navigateToApp

Author: pgayvallet

docs/development/core/public/kibana-plugin-public.appbase.chromeless.md

@@ -0,0 +1,13 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-public](./kibana-plugin-public.md) &gt; [AppBase](./kibana-plugin-public.appbase.md) &gt; [chromeless](./kibana-plugin-public.appbase.chromeless.md)
+
+## AppBase.chromeless property
+
+Hide the UI chrome when the application is mounted. Defaults to `false`<!-- -->. Takes precedence over chrome service visibility settings.
+
+<b>Signature:</b>
+
+```typescript
+chromeless?: boolean;
+```

docs/development/core/public/kibana-plugin-public.appbase.id.md

@@ -4,6 +4,8 @@
 
 ## AppBase.id property
 
+The unique identifier of the application
+
 <b>Signature:</b>
 
 ```typescript

docs/development/core/public/kibana-plugin-public.appbase.md

@@ -16,10 +16,14 @@ export interface AppBase
 |  Property | Type | Description |
 |  --- | --- | --- |
 |  [capabilities](./kibana-plugin-public.appbase.capabilities.md) | <code>Partial&lt;Capabilities&gt;</code> | Custom capabilities defined by the app. |
+|  [chromeless](./kibana-plugin-public.appbase.chromeless.md) | <code>boolean</code> | Hide the UI chrome when the application is mounted. Defaults to <code>false</code>. Takes precedence over chrome service visibility settings. |
 |  [euiIconType](./kibana-plugin-public.appbase.euiicontype.md) | <code>string</code> | A EUI iconType that will be used for the app's icon. This icon takes precendence over the <code>icon</code> property. |
 |  [icon](./kibana-plugin-public.appbase.icon.md) | <code>string</code> | A URL to an image file used as an icon. Used as a fallback if <code>euiIconType</code> is not provided. |
-|  [id](./kibana-plugin-public.appbase.id.md) | <code>string</code> |  |
+|  [id](./kibana-plugin-public.appbase.id.md) | <code>string</code> | The unique identifier of the application |
+|  [navLinkStatus](./kibana-plugin-public.appbase.navlinkstatus.md) | <code>AppNavLinkStatus</code> | The initial status of the application's navLink. Defaulting to <code>visible</code> if <code>status</code> is <code>accessible</code> and <code>hidden</code> if status is <code>inaccessible</code> See [AppNavLinkStatus](./kibana-plugin-public.appnavlinkstatus.md) |
 |  [order](./kibana-plugin-public.appbase.order.md) | <code>number</code> | An ordinal used to sort nav links relative to one another for display. |
+|  [status](./kibana-plugin-public.appbase.status.md) | <code>AppStatus</code> | The initial status of the application. Defaulting to <code>accessible</code> |
 |  [title](./kibana-plugin-public.appbase.title.md) | <code>string</code> | The title of the application. |
-|  [tooltip$](./kibana-plugin-public.appbase.tooltip_.md) | <code>Observable&lt;string&gt;</code> | An observable for a tooltip shown when hovering over app link. |
+|  [tooltip](./kibana-plugin-public.appbase.tooltip.md) | <code>string</code> | A tooltip shown when hovering over app link. |
+|  [updater$](./kibana-plugin-public.appbase.updater_.md) | <code>Observable&lt;AppUpdater&gt;</code> | An [AppUpdater](./kibana-plugin-public.appupdater.md) observable that can be used to update the application [AppUpdatableFields](./kibana-plugin-public.appupdatablefields.md) at runtime. |
 

docs/development/core/public/kibana-plugin-public.appbase.navlinkstatus.md

@@ -0,0 +1,13 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-public](./kibana-plugin-public.md) &gt; [AppBase](./kibana-plugin-public.appbase.md) &gt; [navLinkStatus](./kibana-plugin-public.appbase.navlinkstatus.md)
+
+## AppBase.navLinkStatus property
+
+The initial status of the application's navLink. Defaulting to `visible` if `status` is `accessible` and `hidden` if status is `inaccessible` See [AppNavLinkStatus](./kibana-plugin-public.appnavlinkstatus.md)
+
+<b>Signature:</b>
+
+```typescript
+navLinkStatus?: AppNavLinkStatus;
+```

docs/development/core/public/kibana-plugin-public.appbase.tooltip_.md renamed to docs/development/core/public/kibana-plugin-public.appbase.status.md

@@ -1,13 +1,13 @@
 <!-- Do not edit this file. It is automatically generated by API Documenter. -->
 
-[Home](./index.md) &gt; [kibana-plugin-public](./kibana-plugin-public.md) &gt; [AppBase](./kibana-plugin-public.appbase.md) &gt; [tooltip$](./kibana-plugin-public.appbase.tooltip_.md)
+[Home](./index.md) &gt; [kibana-plugin-public](./kibana-plugin-public.md) &gt; [AppBase](./kibana-plugin-public.appbase.md) &gt; [status](./kibana-plugin-public.appbase.status.md)
 
-## AppBase.tooltip$ property
+## AppBase.status property
 
-An observable for a tooltip shown when hovering over app link.
+The initial status of the application. Defaulting to `accessible`
 
 <b>Signature:</b>
 
 ```typescript
-tooltip$?: Observable<string>;
+status?: AppStatus;
 ```

docs/development/core/public/kibana-plugin-public.appbase.tooltip.md

@@ -0,0 +1,13 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-public](./kibana-plugin-public.md) &gt; [AppBase](./kibana-plugin-public.appbase.md) &gt; [tooltip](./kibana-plugin-public.appbase.tooltip.md)
+
+## AppBase.tooltip property
+
+A tooltip shown when hovering over app link.
+
+<b>Signature:</b>
+
+```typescript
+tooltip?: string;
+```

docs/development/core/public/kibana-plugin-public.appbase.updater_.md

@@ -0,0 +1,44 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-public](./kibana-plugin-public.md) &gt; [AppBase](./kibana-plugin-public.appbase.md) &gt; [updater$](./kibana-plugin-public.appbase.updater_.md)
+
+## AppBase.updater$ property
+
+An [AppUpdater](./kibana-plugin-public.appupdater.md) observable that can be used to update the application [AppUpdatableFields](./kibana-plugin-public.appupdatablefields.md) at runtime.
+
+<b>Signature:</b>
+
+```typescript
+updater$?: Observable<AppUpdater>;
+```
+
+## Example
+
+How to update an application navLink at runtime
+
+```ts
+// inside your plugin's setup function
+export class MyPlugin implements Plugin {
+  private appUpdater = new BehaviorSubject<AppUpdater>(() => ({}));
+
+  setup({ application }) {
+    application.register({
+      id: 'my-app',
+      title: 'My App',
+      updater$: this.appUpdater,
+      async mount(params) {
+        const { renderApp } = await import('./application');
+        return renderApp(params);
+      },
+    });
+  }
+
+  start() {
+     // later, when the navlink needs to be updated
+     appUpdater.next(() => {
+       navLinkStatus: AppNavLinkStatus.disabled,
+     })
+  }
+
+```
+

docs/development/core/public/kibana-plugin-public.applicationsetup.md

@@ -16,5 +16,6 @@ export interface ApplicationSetup
 |  Method | Description |
 |  --- | --- |
 |  [register(app)](./kibana-plugin-public.applicationsetup.register.md) | Register an mountable application to the system. |
+|  [registerAppUpdater(appUpdater$)](./kibana-plugin-public.applicationsetup.registerappupdater.md) | Register an application updater that can be used to change the [AppUpdatableFields](./kibana-plugin-public.appupdatablefields.md) fields of all applications at runtime.<!-- -->This is meant to be used by plugins that needs to updates the whole list of applications. To only updates a specific application, use the <code>updater$</code> property of the registered application instead. |
 |  [registerMountContext(contextName, provider)](./kibana-plugin-public.applicationsetup.registermountcontext.md) | Register a context provider for application mounting. Will only be available to applications that depend on the plugin that registered this context. Deprecated, use [CoreSetup.getStartServices()](./kibana-plugin-public.coresetup.getstartservices.md)<!-- -->. |
 

docs/development/core/public/kibana-plugin-public.applicationsetup.registerappupdater.md

@@ -0,0 +1,47 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-public](./kibana-plugin-public.md) &gt; [ApplicationSetup](./kibana-plugin-public.applicationsetup.md) &gt; [registerAppUpdater](./kibana-plugin-public.applicationsetup.registerappupdater.md)
+
+## ApplicationSetup.registerAppUpdater() method
+
+Register an application updater that can be used to change the [AppUpdatableFields](./kibana-plugin-public.appupdatablefields.md) fields of all applications at runtime.
+
+This is meant to be used by plugins that needs to updates the whole list of applications. To only updates a specific application, use the `updater$` property of the registered application instead.
+
+<b>Signature:</b>
+
+```typescript
+registerAppUpdater(appUpdater$: Observable<AppUpdater>): void;
+```
+
+## Parameters
+
+|  Parameter | Type | Description |
+|  --- | --- | --- |
+|  appUpdater$ | <code>Observable&lt;AppUpdater&gt;</code> |  |
+
+<b>Returns:</b>
+
+`void`
+
+## Example
+
+How to register an application updater that disables some applications:
+
+```ts
+// inside your plugin's setup function
+export class MyPlugin implements Plugin {
+  setup({ application }) {
+    application.registerAppUpdater(
+      new BehaviorSubject<AppUpdater>(app => {
+         if (myPluginApi.shouldDisable(app))
+           return {
+             status: AppStatus.inaccessible,
+           };
+       })
+     );
+    }
+}
+
+```
+

docs/development/core/public/kibana-plugin-public.appnavlinkstatus.md

@@ -0,0 +1,23 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-public](./kibana-plugin-public.md) &gt; [AppNavLinkStatus](./kibana-plugin-public.appnavlinkstatus.md)
+
+## AppNavLinkStatus enum
+
+Status of the application's navLink.
+
+<b>Signature:</b>
+
+```typescript
+export declare enum AppNavLinkStatus 
+```
+
+## Enumeration Members
+
+|  Member | Value | Description |
+|  --- | --- | --- |
+|  default | <code>0</code> | The application navLink will be <code>visible</code> if the application's [AppStatus](./kibana-plugin-public.appstatus.md) is set to <code>accessible</code> and <code>hidden</code> if the application status is set to <code>inaccessible</code>. |
+|  disabled | <code>2</code> | The application navLink is visible but inactive and not clickable in the navigation bar. |
+|  hidden | <code>3</code> | The application navLink does not appear in the navigation bar. |
+|  visible | <code>1</code> | The application navLink is visible and clickable in the navigation bar. |
+