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Merge pull request #731 from vector-im/fix-tilescollection

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Newly created tiles must be given a copy of tilesOptions
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R Midhun Suresh 2022-05-10 12:33:46 +05:30 committed by GitHub
commit a06474d7ac
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 13 additions and 12 deletions
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10
src/domain/ViewModel.ts
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@ -40,9 +40,9 @@ export type Options = {
export class ViewModel<O extends Options = Options> extends EventEmitter<{change: never}> { export class ViewModel<O extends Options = Options> extends EventEmitter<{change: never}> {
private disposables?: Disposables; private disposables?: Disposables;
private _isDisposed = false; private _isDisposed = false;
private _options: O; private _options: Readonly<O>;
constructor(options: O) { constructor(options: Readonly<O>) {
super(); super();
this._options = options; this._options = options;
} }
@ -51,7 +51,7 @@ export class ViewModel<O extends Options = Options> extends EventEmitter<{change
return Object.assign({}, this._options, explicitOptions); return Object.assign({}, this._options, explicitOptions);
} }
get options(): O { return this._options; } get options(): Readonly<O> { return this._options; }
// makes it easier to pass through dependencies of a sub-view model // makes it easier to pass through dependencies of a sub-view model
getOption<N extends keyof O>(name: N): O[N] { getOption<N extends keyof O>(name: N): O[N] {
@ -115,10 +115,6 @@ export class ViewModel<O extends Options = Options> extends EventEmitter<{change
return result; return result;
} }
updateOptions(options: O): void {
this._options = Object.assign(this._options, options);
}
emitChange(changedProps: any): void { emitChange(changedProps: any): void {
if (this._options.emitChange) { if (this._options.emitChange) {
this._options.emitChange(changedProps); this._options.emitChange(changedProps);

15
src/domain/session/room/timeline/tiles/SimpleTile.js
View file

@ -22,6 +22,7 @@ export class SimpleTile extends ViewModel {
constructor(entry, options) { constructor(entry, options) {
super(options); super(options);
this._entry = entry; this._entry = entry;
this._emitUpdate = undefined;
} }
// view model props for all subclasses // view model props for all subclasses
// hmmm, could also do instanceof ... ? // hmmm, could also do instanceof ... ?
@ -67,16 +68,20 @@ export class SimpleTile extends ViewModel {
// TilesCollection contract below // TilesCollection contract below
setUpdateEmit(emitUpdate) { setUpdateEmit(emitUpdate) {
this.updateOptions({emitChange: paramName => { this._emitUpdate = emitUpdate;
}
/** overrides the emitChange in ViewModel to also emit the update over the tiles collection */
emitChange(changedProps) {
if (this._emitUpdate) {
// it can happen that after some network call // it can happen that after some network call
// we switched away from the room and the response // we switched away from the room and the response
// comes in, triggering an emitChange in a tile that // comes in, triggering an emitChange in a tile that
// has been disposed already (and hence the change // has been disposed already (and hence the change
// callback has been cleared by dispose) We should just ignore this. // callback has been cleared by dispose) We should just ignore this.
if (emitUpdate) { this._emitUpdate(this, changedProps);
emitUpdate(this, paramName); }
} super.emitChange(changedProps);
}});
} }
get upperEntry() { get upperEntry() {