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54 lines
1.8 KiB
Diff
54 lines
1.8 KiB
Diff
# HG changeset patch
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# User Dão Gottwald <dao@mozilla.com>
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# Date 1742828426 0
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# Node ID aa8a29bd1fb9668c81475b534b4ceb220dd4fe55
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# Parent 653a7b21210b5b61a36af11b99ccd51e6c85a905
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Bug 1955112 - Finish tab moving animation when a drag session wasn't ended properly. r=dwalker,tabbrowser-reviewers
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Differential Revision: https://phabricator.services.mozilla.com/D242631
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diff --git a/browser/components/tabbrowser/content/tabs.js b/browser/components/tabbrowser/content/tabs.js
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--- a/browser/components/tabbrowser/content/tabs.js
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+++ b/browser/components/tabbrowser/content/tabs.js
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@@ -1012,18 +1012,39 @@
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newMargin *= -1;
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}
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ind.style.transform = this.verticalMode
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? "translateY(" + Math.round(newMargin) + "px)"
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: "translateX(" + Math.round(newMargin) + "px)";
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}
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#setMovingTabMode(movingTab) {
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+ if (movingTab == this.#isMovingTab()) {
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+ return;
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+ }
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+
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this.toggleAttribute("movingtab", movingTab);
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gNavToolbox.toggleAttribute("movingtab", movingTab);
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+
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+ if (movingTab) {
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+ // This is a bit of an escape hatch in case a tab drag & drop session
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+ // wasn't ended properly, leaving behind the movingtab attribute, which
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+ // may break the UI (bug 1954163). We don't get mousemove events while
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+ // dragging tabs, so at that point it should be safe to assume that we
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+ // should not be in drag and drop mode, and clean things up if needed.
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+ requestAnimationFrame(() => {
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+ this.addEventListener(
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+ "mousemove",
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+ () => {
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+ this.finishAnimateTabMove();
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+ },
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+ { once: true }
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+ );
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+ });
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+ }
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}
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#isMovingTab() {
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return this.hasAttribute("movingtab");
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}
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#expandGroupOnDrop(draggedTab) {
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if (
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