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Fix #126178 (Recovery) #126293

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merged 1 commit into from
Jun 14, 2021
Merged

Fix #126178 (Recovery) #126293

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2 changes: 1 addition & 1 deletion extensions/markdown-language-features/src/features/preview.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -531,7 +531,7 @@ export class StaticMarkdownPreview extends Disposable implements ManagedMarkdown
}));

this._register(this.preview.onScroll((scrollInfo) => {
topmostLineMonitor.setPreviousEditorLine(scrollInfo);
topmostLineMonitor.setPreviousStaticEditorLine(scrollInfo);
}));

this._register(topmostLineMonitor.onDidChanged(event => {
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4 changes: 2 additions & 2 deletions extensions/markdown-language-features/src/features/previewManager.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -81,7 +81,7 @@ export class MarkdownPreviewManager extends Disposable implements vscode.Webview

// When at a markdown file, apply existing scroll settings
if (textEditor && textEditor.document && isMarkdownFile(textEditor.document)) {
const line = this._topmostLineMonitor.getPreviousEditorLineByUri(textEditor.document.uri);
const line = this._topmostLineMonitor.getPreviousStaticEditorLineByUri(textEditor.document.uri);
if (line) {
scrollEditorToLine(line, textEditor);
}
Expand Down Expand Up @@ -172,7 +172,7 @@ export class MarkdownPreviewManager extends Disposable implements vscode.Webview
document: vscode.TextDocument,
webview: vscode.WebviewPanel
): Promise<void> {
const lineNumber = this._topmostLineMonitor.getPreviousEditorLineByUri(document.uri);
const lineNumber = this._topmostLineMonitor.getPreviousTextEditorLineByUri(document.uri);
const preview = StaticMarkdownPreview.revive(
document.uri,
webview,
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28 changes: 20 additions & 8 deletions extensions/markdown-language-features/src/util/topmostLineMonitor.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -16,23 +16,23 @@ export class TopmostLineMonitor extends Disposable {

private readonly pendingUpdates = new Map<string, number>();
private readonly throttle = 50;
private previousEditorInfo = new Map<string, LastScrollLocation>();
public isPrevEditorCustom = false;
private previousTextEditorInfo = new Map<string, LastScrollLocation>();
private previousStaticEditorInfo = new Map<string, LastScrollLocation>();

constructor() {
super();

if (vscode.window.activeTextEditor) {
const line = getVisibleLine(vscode.window.activeTextEditor);
this.setPreviousEditorLine({ uri: vscode.window.activeTextEditor.document.uri, line: line ?? 0 });
this.setPreviousTextEditorLine({ uri: vscode.window.activeTextEditor.document.uri, line: line ?? 0 });
}

this._register(vscode.window.onDidChangeTextEditorVisibleRanges(event => {
if (isMarkdownFile(event.textEditor.document)) {
const line = getVisibleLine(event.textEditor);
if (typeof line === 'number') {
this.updateLine(event.textEditor.document.uri, line);
this.setPreviousEditorLine({ uri: event.textEditor.document.uri, line: line });
this.setPreviousTextEditorLine({ uri: event.textEditor.document.uri, line: line });
}
}
}));
Expand All @@ -41,12 +41,24 @@ export class TopmostLineMonitor extends Disposable {
private readonly _onChanged = this._register(new vscode.EventEmitter<{ readonly resource: vscode.Uri, readonly line: number }>());
public readonly onDidChanged = this._onChanged.event;

public setPreviousEditorLine(scrollLocation: LastScrollLocation): void {
this.previousEditorInfo.set(scrollLocation.uri.toString(), scrollLocation);
public setPreviousStaticEditorLine(scrollLocation: LastScrollLocation): void {
this.previousStaticEditorInfo.set(scrollLocation.uri.toString(), scrollLocation);
}

public getPreviousEditorLineByUri(resource: vscode.Uri): number | undefined {
const scrollLoc = this.previousEditorInfo.get(resource.toString());
public getPreviousStaticEditorLineByUri(resource: vscode.Uri): number | undefined {
const scrollLoc = this.previousStaticEditorInfo.get(resource.toString());
this.previousStaticEditorInfo.delete(resource.toString());
return scrollLoc?.line;
}


public setPreviousTextEditorLine(scrollLocation: LastScrollLocation): void {
this.previousTextEditorInfo.set(scrollLocation.uri.toString(), scrollLocation);
}

public getPreviousTextEditorLineByUri(resource: vscode.Uri): number | undefined {
const scrollLoc = this.previousTextEditorInfo.get(resource.toString());
this.previousTextEditorInfo.delete(resource.toString());
return scrollLoc?.line;
}

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