Bug 1702736 Comment 0 Edit History

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Original comment by
on 
**Affected versions**
* Firefox 88.0b6 (BuildId:20210401185811)
* Firefox 89.0a1 (BuildId:20210330215136)

**Affected platforms**
* macOS 10.14

**Unaffected platforms**
* Windows 10 64bit
* Ubuntu 20.04

**Preconditions**
* Have the following pref **disabled**: `apz.mac.enable_double_tap_zoom_touchpad_gesture`

**Steps to reproduce**
1. Launch Firefox.
2. Access a random webpage.
3. Single-tap with 2 fingers on the trackpad in order to trigger the context menu.

**Expected result**
* The context menu opens instantly (without any delay) since the double-tap to zoom functionality is disabled at Firefox level and there is no point to wait ~300ms for the user to perform a second double-tap.

**Actual result**
* It seems that the context menu opens with a short delay (~300ms) even though the double-tap to zoom functionality was disabled at Firefox level.

**Regression Range**
* I don’t think that this is a regression.

**Notes**
* The ~300ms delay seems to occur even though the double-tap to zoom is disabled at Firefox level. The ~300ms delay is no longer encountered while disabling the double-tap to zoom at OS level.
Revision 1 by
on 
**Affected versions**
* Firefox 88.0b6 (BuildId:20210401185811)
* Firefox 89.0a1 (BuildId:20210330215136)

**Affected platforms**
* macOS 10.14
* macOS 10.15
* macOS 11

**Unaffected platforms**
* Windows 10 64bit
* Ubuntu 20.04

**Preconditions**
* Have the following pref **disabled**: `apz.mac.enable_double_tap_zoom_touchpad_gesture`

**Steps to reproduce**
1. Launch Firefox.
2. Access a random webpage.
3. Single-tap with 2 fingers on the trackpad in order to trigger the context menu.

**Expected result**
* The context menu opens instantly (without any delay) since the double-tap to zoom functionality is disabled at Firefox level and there is no point to wait ~300ms for the user to perform a second double-tap.

**Actual result**
* It seems that the context menu opens with a short delay (~300ms) even though the double-tap to zoom functionality was disabled at Firefox level.

**Regression Range**
* I don’t think that this is a regression.

**Notes**
* The ~300ms delay seems to occur even though the double-tap to zoom is disabled at Firefox level. The ~300ms delay is no longer encountered while disabling the double-tap to zoom at OS level.

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