Bug 2068441: Make browsing context under printing browsing context not... (a9e5befe) · Commits · The Tor Project / Applications / Tor Browser

docshell/base/BrowsingContext.cpp

+1 −1

Changes for docshell/base/BrowsingContext.cpp: 1 added line, 1 removed line.
Original line number	Diff line number	Diff line
		@@ -1171,7 +1171,7 @@ void BrowsingContext::PrepareForProcessChange() {
		}

		bool BrowsingContext::IsTargetable() const {
		return !GetClosed() && AncestorsAreCurrent();
		return !GetClosed() && AncestorsAreCurrent() && !Top()->GetIsPrinting();
		}

		void BrowsingContext::SetOpener(BrowsingContext* aOpener) {

0 → 100644

+45 −0

Changes for dom/base/crashtests/2068441.html: 45 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		<!DOCTYPE html>
		<html>
		<head>
		<meta charset="utf-8">
		<style>
		canvas {
		break-before: page;
		}
		.fl {
		position: fixed;
		top: 0px;
		left: 0px;
		}
		.fl::first-letter {
		font-size: 3em;
		}
		</style>
		</head>
		<body>
		<iframe name="pf" srcdoc="<p>x</p>"></iframe>
		<p class="fl" id="fp"> aaa</p>

		<canvas></canvas>
		<script>
		function cb(state) {
		const orig = document.querySelector("iframe[name=pf]");
		// Brush aside the live page's browsing context for the iframe.
		orig.name = "renamed";
		// Printing context is still named `pf`, look for it.
		const w = window.open("", "pf");
		try {
		w.parent.document.getElementById("fp").firstChild.data = "X";
		} finally {
		// Clean up for testing purposes.
		w.close();
		state.done();
		}
		}

		document.querySelector("canvas").mozPrintCallback = cb;
		window.onload = () => { SpecialPowers.wrap(window).printPreview()?.close(); }
		</script>
		</body>
		</html>

+1 −0