mirror of
https://github.com/NativeScript/NativeScript.git
synced 2025-11-05 13:26:48 +08:00
524 lines
18 KiB
TypeScript
524 lines
18 KiB
TypeScript
import { Observable, EventData, Page, Application, Frame, StackLayout, Label, Button, Dialogs, View, Color, SceneEvents, SceneEventData, Utils } from '@nativescript/core';
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let page: Page;
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let viewModel: MultipleScenesModel;
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export function navigatingTo(args: EventData) {
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page = <Page>args.object;
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viewModel = new MultipleScenesModel();
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page.bindingContext = viewModel;
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}
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export class MultipleScenesModel extends Observable {
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private _sceneCount = 0;
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private _isMultiSceneSupported = false;
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private _currentScenes: any[] = [];
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private _currentWindows: any[] = [];
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private _sceneEvents: string[] = [];
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constructor() {
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super();
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this.checkSceneSupport();
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this.setupSceneEventListeners();
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this.updateSceneInfo();
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this.checkSceneDelegateRegistration();
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}
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get sceneCount(): number {
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return this._sceneCount;
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}
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get isMultiSceneSupported(): boolean {
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return this._isMultiSceneSupported;
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}
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get currentScenes(): any[] {
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return this._currentScenes;
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}
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get currentWindows(): any[] {
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return this._currentWindows;
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}
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get sceneEvents(): string[] {
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return this._sceneEvents;
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}
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get canCreateNewScene(): boolean {
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return this._isMultiSceneSupported && __APPLE__;
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}
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get statusText(): string {
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if (!__APPLE__) {
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return 'Scene support is only available on iOS';
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}
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if (!this._isMultiSceneSupported) {
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return 'Multi-scene support not enabled. Add scene configuration to Info.plist';
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}
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// Check which API is available
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let apiInfo = '';
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try {
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if (typeof UIApplication !== 'undefined') {
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const app = UIApplication.sharedApplication;
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if (typeof app.activateSceneSessionForRequestErrorHandler === 'function') {
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apiInfo = ' (iOS 17+ API available)';
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} else if (typeof app.requestSceneSessionActivationUserActivityOptionsErrorHandler === 'function') {
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apiInfo = ' (iOS 13-16 API available)';
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}
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}
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} catch (e) {
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// Ignore errors in API detection
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}
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return `Multi-scene support enabled. ${this._sceneCount} scene(s) active${apiInfo}`;
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}
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private checkSceneSupport() {
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if (__APPLE__) {
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try {
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// Check if the supportsScenes method exists and call it
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if (typeof Application.ios.supportsScenes === 'function') {
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this._isMultiSceneSupported = Application.ios.supportsScenes();
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} else {
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// Fallback: check for scene manifest in bundle
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this._isMultiSceneSupported = false;
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try {
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const bundle = NSBundle.mainBundle;
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const sceneManifest = bundle.objectForInfoDictionaryKey('UIApplicationSceneManifest');
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this._isMultiSceneSupported = !!sceneManifest;
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} catch (e) {
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console.log('Error checking scene manifest:', e);
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}
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}
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console.log('Scene support check:', this._isMultiSceneSupported);
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} catch (error) {
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console.log('Error checking scene support:', error);
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this._isMultiSceneSupported = false;
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}
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}
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this.notifyPropertyChange('isMultiSceneSupported', this._isMultiSceneSupported);
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this.notifyPropertyChange('canCreateNewScene', this.canCreateNewScene);
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this.notifyPropertyChange('statusText', this.statusText);
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}
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private setupSceneEventListeners() {
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if (!__APPLE__) return;
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// Listen to all scene lifecycle events
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Application.on(SceneEvents.sceneWillConnect, (args: SceneEventData) => {
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this.addSceneEvent(`Scene Will Connect: ${this.getSceneDescription(args.scene)}`);
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this.updateSceneInfo();
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});
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Application.on(SceneEvents.sceneDidActivate, (args: SceneEventData) => {
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this.addSceneEvent(`Scene Did Activate: ${this.getSceneDescription(args.scene)}`);
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this.updateSceneInfo();
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});
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Application.on(SceneEvents.sceneWillResignActive, (args: SceneEventData) => {
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this.addSceneEvent(`Scene Will Resign Active: ${this.getSceneDescription(args.scene)}`);
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});
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Application.on(SceneEvents.sceneWillEnterForeground, (args: SceneEventData) => {
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this.addSceneEvent(`Scene Will Enter Foreground: ${this.getSceneDescription(args.scene)}`);
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});
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Application.on(SceneEvents.sceneDidEnterBackground, (args: SceneEventData) => {
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this.addSceneEvent(`Scene Did Enter Background: ${this.getSceneDescription(args.scene)}`);
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});
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Application.on(SceneEvents.sceneDidDisconnect, (args: SceneEventData) => {
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this.addSceneEvent(`Scene Did Disconnect: ${this.getSceneDescription(args.scene)}`);
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this.updateSceneInfo();
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});
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// Listen for scene content setup events to provide content for new scenes
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Application.on(SceneEvents.sceneContentSetup, (args: SceneEventData) => {
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this.addSceneEvent(`Setting up content for new scene: ${this.getSceneDescription(args.scene)}`);
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this.setupSceneContent(args);
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});
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}
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private getSceneDescription(scene: UIWindowScene): string {
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if (!scene) return 'Unknown';
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return `Scene ${this.getSceneId(scene)}`;
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}
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private getSceneId(scene: UIWindowScene): string {
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return scene?.hash ? `${scene?.hash}` : scene?.description || 'Unknown';
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}
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private setupSceneContent(args: SceneEventData) {
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if (!args.scene || !args.window || !__APPLE__) return;
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try {
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let nsViewId: string;
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if (args.connectionOptions?.userActivities?.count > 0) {
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const activity = args.connectionOptions.userActivities.allObjects.objectAtIndex(0) as NSUserActivity;
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nsViewId = Utils.dataDeserialize(activity.userInfo).id;
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}
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console.log('--- Open scene for nsViewId:', nsViewId);
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let page: Page;
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switch (nsViewId) {
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case 'newSceneBasic':
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page = this._createPageForScene(args.scene, args.window);
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break;
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case 'newSceneAlt':
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page = this._createAltPageForScene(args.scene, args.window);
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break;
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// Note: can implement any number of other scene views
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}
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console.log('setWindowRootView for:', args.window);
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Application.ios.setWindowRootView(args.window, page);
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this.addSceneEvent(`Content successfully set for scene: ${this.getSceneDescription(args.scene)}`);
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} catch (error) {
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this.addSceneEvent(`Error setting up scene content: ${error.message}`);
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}
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}
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/**
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* Note: When creating UI's with plain core, buttons will be garbage collected if not referenced.
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* Particularly when opening many new scenes.
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* If the button is GC'd by the system, the taps will no longer function.
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* This is more related to iOS delegates getting GC'd than anything.
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* Most flavors circumvent things like that because their components are retained.
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* We circumvent the core demo (xml ui) issue but just retaining a map of the created UI buttons.
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*/
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private _closeButtons = new Map<string, Button>();
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private _createPageForScene(scene: UIWindowScene, window: UIWindow): Page {
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const page = new Page();
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page.backgroundColor = new Color('#cdffdb');
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// Create a simple layout for the new scene
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const layout = new StackLayout();
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layout.padding = 32;
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page.content = layout;
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// Add title
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const title = new Label();
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title.text = 'New NativeScript Scene';
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title.fontSize = 35;
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title.fontWeight = 'bold';
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title.textAlignment = 'center';
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title.marginBottom = 30;
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layout.addChild(title);
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// Add scene info
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const sceneInfo = new Label();
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sceneInfo.text = `Scene ID: ${scene.hash || 'Unknown'}\nWindow: ${window.description || 'Unknown'}`;
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sceneInfo.fontSize = 22;
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sceneInfo.textAlignment = 'center';
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sceneInfo.marginBottom = 25;
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layout.addChild(sceneInfo);
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// Add close button
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const closeButton = new Button();
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const sceneId = this.getSceneId(scene);
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closeButton.id = sceneId;
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console.log('scene assigning id to button:', closeButton.id);
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closeButton.text = 'Close This Scene';
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closeButton.fontSize = 22;
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closeButton.fontWeight = 'bold';
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closeButton.backgroundColor = '#ff4444';
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closeButton.color = new Color('white');
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closeButton.borderRadius = 8;
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closeButton.padding = 16;
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closeButton.width = 300;
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closeButton.horizontalAlignment = 'center';
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closeButton.on('tap', this._closeScene.bind(this));
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// retain the close button so we don't lose the tap (iOS delegate binding)
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this._closeButtons.set(sceneId, closeButton);
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layout.addChild(closeButton);
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// Set up the layout as a root view (this creates the native iOS view)
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page._setupAsRootView({});
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return page;
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}
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private _createAltPageForScene(scene: UIWindowScene, window: UIWindow): Page {
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const page = new Page();
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page.backgroundColor = new Color('#65ADF1');
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// Create a simple layout for the new scene
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const layout = new StackLayout();
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layout.padding = 32;
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page.content = layout;
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// Add title
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const title = new Label();
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title.text = 'New Alternate NativeScript Scene';
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title.fontSize = 35;
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title.color = new Color('blue');
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title.fontWeight = 'bold';
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title.textAlignment = 'center';
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title.marginBottom = 35;
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layout.addChild(title);
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// Add scene info
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const sceneInfo = new Label();
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sceneInfo.text = `Scene ID: ${scene.hash || 'Unknown'}\nWindow: ${window.description || 'Unknown'}`;
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sceneInfo.fontSize = 24;
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sceneInfo.textAlignment = 'center';
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sceneInfo.marginBottom = 32;
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layout.addChild(sceneInfo);
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// Add close button
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const closeButton = new Button();
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const sceneId = this.getSceneId(scene);
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closeButton.id = sceneId;
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console.log('scene assigning id to button:', closeButton.id);
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closeButton.text = 'Close This Scene';
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closeButton.fontSize = 25;
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closeButton.fontWeight = 'bold';
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closeButton.backgroundColor = '#006ead';
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closeButton.color = new Color('white');
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closeButton.borderRadius = 8;
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closeButton.padding = 16;
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closeButton.width = 350;
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closeButton.horizontalAlignment = 'center';
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closeButton.on('tap', this._closeScene.bind(this));
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// retain the close button so we don't lose the tap (iOS delegate binding)
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this._closeButtons.set(sceneId, closeButton);
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layout.addChild(closeButton);
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// Set up the layout as a root view (this creates the native iOS view)
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page._setupAsRootView({});
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return page;
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}
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private _closeScene(args: EventData) {
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const btn = args.object as Button;
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console.log('closing scene from button tap');
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// Let core resolve the scene from the view/window context
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Application.ios.closeWindow(btn);
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}
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private getSceneAPIInfo(): string {
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if (!__APPLE__) return 'Not iOS';
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try {
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if (typeof UIApplication !== 'undefined') {
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const app = UIApplication.sharedApplication;
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if (typeof app.activateSceneSessionForRequestErrorHandler === 'function') {
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return `iOS ${Utils.SDK_VERSION} - Modern API (iOS 17+) available`;
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} else if (typeof app.requestSceneSessionActivationUserActivityOptionsErrorHandler === 'function') {
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return `iOS ${Utils.SDK_VERSION} - Legacy API (iOS 13-16) available`;
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} else {
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return `iOS ${Utils.SDK_VERSION} - No scene activation API available`;
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}
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}
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} catch (e) {
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return `Error detecting API: ${e.message}`;
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}
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return 'Unknown API status';
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}
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private addSceneEvent(event: string) {
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const timestamp = new Date().toLocaleTimeString();
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const evt = `${timestamp}: ${event}`;
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this._sceneEvents.unshift(evt);
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console.log(evt);
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// Keep only last 20 events
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if (this._sceneEvents.length > 20) {
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this._sceneEvents = this._sceneEvents.slice(0, 20);
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}
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this.notifyPropertyChange('sceneEvents', this._sceneEvents);
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}
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private updateSceneInfo() {
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if (__APPLE__ && this._isMultiSceneSupported) {
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try {
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this._currentScenes = Application.ios.getAllScenes() || [];
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this._currentWindows = Application.ios.getAllWindows() || [];
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this._sceneCount = this._currentScenes.length;
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} catch (error) {
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console.log('Error getting scene info:', error);
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this._sceneCount = 0;
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this._currentScenes = [];
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this._currentWindows = [];
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}
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} else {
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this._sceneCount = 1; // Traditional single window
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this._currentScenes = [];
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this._currentWindows = [];
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}
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this.notifyPropertyChange('sceneCount', this._sceneCount);
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this.notifyPropertyChange('currentScenes', this._currentScenes);
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this.notifyPropertyChange('currentWindows', this._currentWindows);
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this.notifyPropertyChange('statusText', this.statusText);
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}
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onCreateNewScene() {
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Application.ios.openWindow({ id: 'newSceneBasic' });
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}
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onCreateNewSceneAlt() {
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Application.ios.openWindow({ id: 'newSceneAlt' });
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}
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onRefreshSceneInfo() {
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this.updateSceneInfo();
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this.addSceneEvent('Scene info refreshed');
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}
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onClearEvents() {
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this._sceneEvents = [];
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this.notifyPropertyChange('sceneEvents', this._sceneEvents);
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}
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onShowSceneDetails() {
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if (!__APPLE__) {
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Dialogs.alert({
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title: 'Scene Details',
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message: 'Scene functionality is only available on iOS 13+',
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okButtonText: 'OK',
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});
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return;
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}
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const apiInfo = this.getSceneAPIInfo();
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const sceneInfo = this.getSceneAPIInfo(); // Using getSceneAPIInfo for now
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// Add SceneDelegate registration info
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let delegateInfo = '\n--- SceneDelegate Status ---\n';
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if (typeof global.SceneDelegate !== 'undefined') {
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delegateInfo += '✅ SceneDelegate: Registered globally\n';
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} else {
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delegateInfo += '❌ SceneDelegate: NOT registered\n';
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}
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if (typeof UIWindowSceneDelegate !== 'undefined') {
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delegateInfo += '✅ UIWindowSceneDelegate: Available\n';
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} else {
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delegateInfo += '❌ UIWindowSceneDelegate: Not available\n';
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}
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const fullDetails = `${sceneInfo}\n\n${apiInfo}${delegateInfo}`;
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// Show in alert dialog
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const alertOptions = {
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title: 'Scene & API Details',
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message: fullDetails,
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okButtonText: 'OK',
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};
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Dialogs.alert(alertOptions);
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}
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onTestSceneAPI() {
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const apiInfo = this.getSceneAPIInfo();
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this.addSceneEvent(`API Test: ${apiInfo}`);
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// Also log current scene/window counts
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this.addSceneEvent(`Current state: ${this._currentScenes.length} scenes, ${this._currentWindows.length} windows`);
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// Add device and system info
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try {
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const device = UIDevice.currentDevice;
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this.addSceneEvent(`Device: ${device.model} (${device.systemName} ${device.systemVersion})`);
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// Check if this is iPad (more likely to support multiple scenes)
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if (device.userInterfaceIdiom === UIUserInterfaceIdiom.Pad) {
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this.addSceneEvent('📱 iPad detected - better scene support expected');
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} else {
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this.addSceneEvent('📱 iPhone detected - limited scene support');
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}
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} catch (e) {
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this.addSceneEvent('Could not get device info');
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}
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}
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private checkSceneDelegateRegistration() {
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if (!__APPLE__) {
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return;
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}
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this.addSceneEvent('Checking SceneDelegate registration...');
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// Check if SceneDelegate is available globally
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if (typeof global.SceneDelegate !== 'undefined') {
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this.addSceneEvent('✅ SceneDelegate is registered globally');
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} else {
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this.addSceneEvent('❌ SceneDelegate NOT found in global scope!');
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}
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// Check if UIWindowSceneDelegate is available
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if (typeof UIWindowSceneDelegate !== 'undefined') {
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this.addSceneEvent('✅ UIWindowSceneDelegate protocol available');
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} else {
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this.addSceneEvent('❌ UIWindowSceneDelegate protocol not available');
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}
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}
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// private closeScene(scene: UIWindowScene) {
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// if (!scene || !__APPLE__) return;
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// try {
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// this.addSceneEvent(`Attempting to close scene: ${this.getSceneDescription(scene)}`);
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// // Get the scene session
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// const session = scene.session;
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// if (session) {
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// // Check if this is the primary scene (typically can't be closed)
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// const isPrimaryScene = Application.ios.getPrimaryScene() === scene;
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// const sceneId = this.getSceneId(scene);
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// console.log('isPrimaryScene:', isPrimaryScene, 'sceneId:', sceneId);
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// if (isPrimaryScene) {
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// this.addSceneEvent(`⚠️ This appears to be the primary scene`);
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// this.addSceneEvent(`💡 Primary scenes typically cannot be closed programmatically`);
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// return;
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// } else {
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// this.addSceneEvent(`✅ This appears to be a secondary scene - closure should work`);
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// }
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// // Try the correct iOS API for scene destruction
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// const app = UIApplication.sharedApplication;
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// if (app.requestSceneSessionDestructionOptionsErrorHandler) {
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// this.addSceneEvent(`📞 Calling scene destruction API...`);
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// app.requestSceneSessionDestructionOptionsErrorHandler(session, null, (error: NSError) => {
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// if (error) {
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// console.log('scene destroy error:', error);
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// this.addSceneEvent(`❌ Scene destruction failed: ${error.localizedDescription}`);
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// this.addSceneEvent(`📋 Error details - Domain: ${error.domain}, Code: ${error.code}`);
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// // Provide specific guidance based on error
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// if (error.localizedDescription.includes('primary') || error.code === 1) {
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// this.addSceneEvent(`💡 Cannot close primary scene - this is iOS system behavior`);
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// this.addSceneEvent(`ℹ️ Only secondary scenes can be closed via API`);
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// } else if (error.code === 22 || error.domain.includes('FBSWorkspace')) {
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// this.addSceneEvent(`💡 System declined scene destruction request`);
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// this.addSceneEvent(`🔄 This may be due to system resource management`);
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// } else {
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// this.addSceneEvent(`🔍 Unexpected error - scene destruction may not be fully supported`);
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// }
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// this.addSceneEvent(`🖱️ Alternative: Use system UI to close (app switcher or split-screen controls)`);
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// } else {
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// this._closeButtons.delete(sceneId);
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// this.addSceneEvent(`✅ Scene destruction request accepted`);
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// this.addSceneEvent(`⏳ Scene should close within a few seconds...`);
|
||
// }
|
||
// });
|
||
// } else {
|
||
// this.addSceneEvent(`❌ Scene destruction API not available`);
|
||
// this.addSceneEvent(`📱 This iOS version/configuration may not support programmatic scene closure`);
|
||
// }
|
||
// } else {
|
||
// this.addSceneEvent('❌ Error: Could not find scene session to close');
|
||
// }
|
||
// } catch (error) {
|
||
// this.addSceneEvent(`❌ Error closing scene: ${error.message}`);
|
||
// }
|
||
// }
|
||
}
|