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Fix race condition in LensViews.handleVisibleClusterChange

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- Clear the previous when() disposer as soon as possible so that it
  won't fire, even in the no-cluster case

Signed-off-by: Sebastian Malton <sebastian@malton.name>
This commit is contained in:
Sebastian Malton 2021-11-19 08:36:59 -05:00
parent 885af07d0b
commit ef8bb4b774
1 changed files with 14 additions and 21 deletions
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35
src/renderer/components/cluster-manager/lens-views.ts
View File

@ -19,7 +19,7 @@
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
import { action, IReactionDisposer, makeObservable, observable, reaction, when } from "mobx";
import { action, IReactionDisposer, makeObservable, observable, when } from "mobx";
import logger from "../../../main/logger";
import { clusterVisibilityHandler } from "../../../common/cluster-ipc";
import { ClusterStore } from "../../../common/cluster-store";
@ -34,12 +34,10 @@ export interface LensView {
export class ClusterFrameHandler extends Singleton {
private views = observable.map<string, LensView>();
@observable private visibleCluster: string | null = null;
constructor() {
super();
makeObservable(this);
reaction(() => this.visibleCluster, this.handleVisibleClusterChange);
}
public hasLoadedView(clusterId: string): boolean {
@ -97,39 +95,34 @@ export class ClusterFrameHandler extends Singleton {
);
}
public setVisibleCluster(clusterId: ClusterId) {
this.visibleCluster = clusterId;
}
public clearVisibleCluster() {
this.visibleCluster = null;
}
private prevVisibleClusterChange?: IReactionDisposer;
private handleVisibleClusterChange = (clusterId: ClusterId | undefined) => {
public setVisibleCluster(clusterId: ClusterId | null) {
// Clear the previous when ASAP
this.prevVisibleClusterChange?.();
logger.info(`[LENS-VIEW]: refreshing iframe views, visible cluster id=${clusterId}`);
ipcRenderer.send(clusterVisibilityHandler);
const cluster = ClusterStore.getInstance().getById(clusterId);
for (const { frame: view } of this.views.values()) {
view.style.display = "none";
}
if (cluster) {
const lensView = this.views.get(clusterId);
const cluster = ClusterStore.getInstance().getById(clusterId);
this.prevVisibleClusterChange?.();
if (cluster) {
this.prevVisibleClusterChange = when(
() => cluster.available && cluster.ready && lensView.isLoaded,
() => cluster.available && cluster.ready && this.views.get(clusterId)?.isLoaded,
() => {
logger.info(`[LENS-VIEW]: cluster id=${clusterId} should now be visible`);
lensView.frame.style.display = "flex";
this.views.get(clusterId).frame.style.display = "flex";
ipcRenderer.send(clusterVisibilityHandler, clusterId);
},
);
}
};
}
public clearVisibleCluster() {
this.setVisibleCluster(null);
}
}