Firefox doesn't implement the IE6 fromElement/toElement, and it's not in the MouseEvent spec (at the moment). Replace with the worse-named but better-specified target and relatedTarget attributes instead. Upstream change: https://gerrit-review.googlesource.com/q/I9eeb26c032a38de9d7185749373c7982c796acb2 Change-Id: I9f9a1eb9342bc80b91b5b364a04cc5fa9a7ccaeb Reviewed-on: https://cl.tvl.fyi/c/depot/+/1442 Tested-by: BuildkiteCI Reviewed-by: glittershark <grfn@gws.fyi>
		
			
				
	
	
		
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			35 lines
		
	
	
	
		
			1.5 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
| From 460d4806feef7fdddc8e3b63dec4fa1854fd2561 Mon Sep 17 00:00:00 2001
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| From: Luke Granger-Brown <lukegb@google.com>
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| Date: Sat, 25 Jul 2020 23:54:18 +0000
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| Subject: [PATCH 7/7] Fix gr-hovercard-behavior under Firefox
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| 
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| Firefox doesn't implement toElement/fromElement (they're not in the
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| spec, and were implemented by Chrome apparently for compatibility with
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| IE), but does implement target and relatedTarget, which are part of
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| the UI Events spec
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| (https://w3c.github.io/uievents/#interface-mouseevent).
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| 
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| Bug: Issue 13175
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| Change-Id: I9eeb26c032a38de9d7185749373c7982c796acb2
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| ---
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|  .../app/elements/shared/gr-hovercard/gr-hovercard-behavior.js | 4 ++--
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|  1 file changed, 2 insertions(+), 2 deletions(-)
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| 
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| diff --git a/polygerrit-ui/app/elements/shared/gr-hovercard/gr-hovercard-behavior.js b/polygerrit-ui/app/elements/shared/gr-hovercard/gr-hovercard-behavior.js
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| index 04c3166dd5..3d5937b1fa 100644
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| --- a/polygerrit-ui/app/elements/shared/gr-hovercard/gr-hovercard-behavior.js
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| +++ b/polygerrit-ui/app/elements/shared/gr-hovercard/gr-hovercard-behavior.js
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| @@ -209,8 +209,8 @@ export const hovercardBehaviorMixin = superClass => class extends superClass {
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|      // from the hovercard but now hovering over the target (to stop an annoying
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|      // flicker effect), just return.
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|      if (opt_e) {
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| -      if (opt_e.toElement === this ||
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| -          (opt_e.fromElement === this && opt_e.toElement === this._target)) {
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| +      if (opt_e.relatedTarget === this ||
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| +          (opt_e.target === this && opt_e.relatedTarget === this._target)) {
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|          return;
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|        }
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|      }
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| -- 
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| 2.27.0
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| 
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