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fix: debounce panel back callback registration

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This commit is contained in:
7015725
2026-05-22 05:29:30 +08:00
parent c52598bd44
commit 858b1c5f54
3 changed files with 16 additions and 5 deletions
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13
code/th_09_animation.js
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@@ -415,6 +415,17 @@ FloatBallAppWM.prototype.registerPanelPredictiveBack = function(panel, which) {
try {
if (!panel) return false;
if (android.os.Build.VERSION.SDK_INT < 33) return false;
// attach listener + post fallback may fire almost together; avoid unregister/register churn and duplicate logs.
try {
var nowReg = Date.now();
var entries0 = this.state.panelBackCallbackEntries || [];
for (var ei0 = 0; ei0 < entries0.length; ei0++) {
var it0 = entries0[ei0];
if (it0 && it0.view === panel && String(it0.which || "") === String(which || "") && (nowReg - Number(it0.registeredAt || 0)) < 300) {
return true;
}
}
} catch(eRegDebounce) {}
this.unregisterPanelPredictiveBack(panel);
var dispatcher = null;
try { dispatcher = panel.findOnBackInvokedDispatcher(); } catch (eFind) { dispatcher = null; }
@@ -483,7 +494,7 @@ FloatBallAppWM.prototype.registerPanelPredictiveBack = function(panel, which) {
} catch (ePri) { priority = 0; }
dispatcher.registerOnBackInvokedCallback(priority, cb);
if (!this.state.panelBackCallbackEntries) this.state.panelBackCallbackEntries = [];
this.state.panelBackCallbackEntries.push({ view: panel, dispatcher: dispatcher, callback: cb, which: String(which || ""), animation: usedAnimation, mode: mode });
this.state.panelBackCallbackEntries.push({ view: panel, dispatcher: dispatcher, callback: cb, which: String(which || ""), animation: usedAnimation, mode: mode, registeredAt: Date.now() });
safeLog(this.L, 'i', "back callback registered which=" + String(which || "") + " mode=" + mode + " priority=" + String(priority));
return true;
} catch (e) {