progress bar & volume controller's drag action

[YuRiJinX]

No description provided.

[codecov]

Codecov Report

Merging #1 into master will decrease coverage by 4.76%.
The diff coverage is 2.77%.

@@            Coverage Diff             @@
##           master       #1      +/-   ##
==========================================
- Coverage   24.39%   19.62%   -4.77%     
==========================================
  Files          13       13              
  Lines         123      158      +35     
  Branches       10       17       +7     
==========================================
+ Hits           30       31       +1     
- Misses         92      126      +34     
  Partials        1        1

Impacted Files	Coverage Δ
...enderer/components/PlayingView/TimeProgressBar.vue	0% <0%> (ø)	⬆️
src/renderer/components/PlayingView.vue	0% <0%> (ø)	⬆️
.../renderer/components/PlayingView/VolumeControl.vue	0% <0%> (ø)	⬆️
src/renderer/main.js	25.58% <7.14%> (-7.76%)	⬇️

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