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https://github.com/turt2live/matrix-dimension.git
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Move capabilities to their own class
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@ -18,7 +18,7 @@ export class ScreenshotCapableDirective implements OnInit, OnDestroy {
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public ngOnInit() {
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this.widgetApiSubscription = ScalarWidgetApi.requestReceived.subscribe(request => {
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if (request.action === "screenshot") this.takeScreenshot(request);
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})
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});
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}
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public ngOnDestroy() {
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@ -26,11 +26,20 @@ export class ScreenshotCapableDirective implements OnInit, OnDestroy {
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}
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private takeScreenshot(request: ScalarToWidgetRequest) {
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if (this.el.nativeElement.tagName === "IFRAME") {
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console.error("Attempted to take a screenshot of an iframe");
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ScalarWidgetApi.replyError(request, new Error("Cannot take screenshot of iframe"), "Failed to take screenshot: iframe not supported");
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} else {
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domtoimage.toBlob(this.el.nativeElement).then(b => {
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if (!b) {
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console.warn("No screenshot produced - skipping reply");
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return;
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}
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ScalarWidgetApi.replyScreenshot(request, b);
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}).catch(error => {
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console.error(error);
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ScalarWidgetApi.replyError(request, error, "Failed to take screenshot");
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});
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}
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}
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}
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@ -35,7 +35,7 @@ export class ScalarWidgetApi {
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}
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public static replyError(request: ScalarToWidgetRequest, error: Error, message: string = null): void {
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ScalarWidgetApi.replyEvent(request, {error: {message: message || error.message, error: error}});
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ScalarWidgetApi.replyEvent(request, {error: {message: message || error.message, _error: error}});
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}
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private static callAction(action, payload) {
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27
web/app/widget-wrappers/capable-widget.ts
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27
web/app/widget-wrappers/capable-widget.ts
Normal file
@ -0,0 +1,27 @@
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import { OnDestroy, OnInit } from "@angular/core";
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import { Subscription } from "rxjs/Subscription";
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import { ScalarWidgetApi } from "../shared/services/scalar/scalar-widget.api";
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export abstract class CapableWidget implements OnInit, OnDestroy {
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private widgetApiSubscription: Subscription;
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// The capabilities we support
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protected supportsScreenshots = false;
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public ngOnInit() {
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this.widgetApiSubscription = ScalarWidgetApi.requestReceived.subscribe(request => {
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if (request.action === "capabilities") {
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const capabilities = [];
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if (this.supportsScreenshots) capabilities.push("m.capability.screenshot");
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ScalarWidgetApi.replyCapabilities(request, capabilities);
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}
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});
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}
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public ngOnDestroy() {
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if (this.widgetApiSubscription) this.widgetApiSubscription.unsubscribe();
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}
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}
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@ -8,6 +8,6 @@
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<h4>Sorry, this content cannot be embedded</h4>
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</div>
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</div>
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<iframe [src]="embedUrl" *ngIf="!isLoading && canEmbed" frameborder="0" allowfullscreen myScreenshotCapable=""></iframe>
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<iframe [src]="embedUrl" *ngIf="!isLoading && canEmbed" frameborder="0" allowfullscreen></iframe>
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<my-fullscreen-button *ngIf="!isLoading && canEmbed" class="toggleFullscreen"></my-fullscreen-button>
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</div>
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@ -1,24 +1,20 @@
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import { Component, OnDestroy, OnInit } from "@angular/core";
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import { Component } from "@angular/core";
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import { ActivatedRoute } from "@angular/router";
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import { DomSanitizer, SafeUrl } from "@angular/platform-browser";
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import { WidgetApiService } from "../../shared/services/integrations/widget-api.service";
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import { ScalarWidgetApi } from "../../shared/services/scalar/scalar-widget.api";
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import { Subscription } from "rxjs/Subscription";
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import { ScalarToWidgetRequest } from "../../shared/models/scalar-widget-actions";
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@Component({
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selector: "my-generic-widget-wrapper",
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templateUrl: "generic.component.html",
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styleUrls: ["generic.component.scss"],
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})
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export class GenericWidgetWrapperComponent implements OnInit, OnDestroy {
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export class GenericWidgetWrapperComponent {
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public isLoading = true;
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public canEmbed = false;
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public embedUrl: SafeUrl = null;
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private widgetApiSubscription: Subscription;
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constructor(widgetApi: WidgetApiService, activatedRoute: ActivatedRoute, sanitizer: DomSanitizer) {
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let params: any = activatedRoute.snapshot.queryParams;
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@ -34,20 +30,4 @@ export class GenericWidgetWrapperComponent implements OnInit, OnDestroy {
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this.isLoading = false;
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});
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}
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public ngOnInit() {
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this.widgetApiSubscription = ScalarWidgetApi.requestReceived.subscribe(e => this.onWidgetRequest(e));
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}
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public ngOnDestroy() {
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if (this.widgetApiSubscription) this.widgetApiSubscription.unsubscribe();
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}
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private onWidgetRequest(request: ScalarToWidgetRequest) {
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if (request.action === "capabilities") {
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// Taking of the screenshot is handled elsewhere
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// TODO: Re-enable screenshots via a configuration flag when Riot has better support for them (and move it to an abstract class)
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ScalarWidgetApi.replyCapabilities(request, [/*"m.capability.screenshot"*/]);
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}
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}
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}
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