add animations for gauge

This commit is contained in:
Nolan Lawson 2018-02-25 23:16:55 -08:00
parent cef354d412
commit 3d921f3bfe

View file

@ -13,8 +13,8 @@
ref:textarea
bind:value=inputText
></textarea>
<div class="compose-profile-length-gauge"
style="transform: scaleX({{inputLengthAsFractionOfMaxAfterRaf || 0}});"
<div class="compose-profile-length-gauge {{shouldAnimate ? 'should-animate' : ''}}"
style="transform: scaleX({{inputLengthAsFractionOfMaxRoundedAfterRaf || 0}});"
aria-hidden="true"
></div>
<span class="compose-profile-length"
@ -110,6 +110,9 @@
margin-left: 5px;
transform-origin: left;
}
.compose-profile-length-gauge.should-animate {
transition: transform 0.2s linear;
}
.compose-profile-length {
grid-area: length;
@ -177,11 +180,12 @@
stop('set inputLengthToDisplayAfterRaf')
})
})
this.observe('inputLengthAsFractionOfMax', inputLengthAsFractionOfMax => {
this.observe('inputLengthAsFractionOfMaxRounded', inputLengthAsFractionOfMaxRounded => {
requestAnimationFrame(() => {
mark('set inputLengthAsFractionOfMaxAfterRaf')
this.set({inputLengthAsFractionOfMaxAfterRaf: inputLengthAsFractionOfMax})
stop('set inputLengthAsFractionOfMaxAfterRaf')
mark('set inputLengthAsFractionOfMaxRoundedAfterRaf')
this.set({inputLengthAsFractionOfMaxRoundedAfterRaf: inputLengthAsFractionOfMaxRounded})
stop('set inputLengthAsFractionOfMaxRoundedAfterRaf')
requestAnimationFrame(() => this.set({shouldAnimate: true}))
})
})
},
@ -201,7 +205,13 @@
currentInputTextInCompose: ($currentInputTextInCompose) => $currentInputTextInCompose,
inputLength: (inputText) => inputText ? inputText.length : 0,
inputLengthToDisplay: (inputLength) => (inputLength <= CHAR_LIMIT ? inputLength : CHAR_LIMIT - inputLength),
inputLengthAsFractionOfMax: (inputLength) => Math.round(100 * (Math.min(CHAR_LIMIT, inputLength)) / CHAR_LIMIT) / 100,
inputLengthAsFractionOfMax: (inputLength) => (Math.min(CHAR_LIMIT, inputLength) / CHAR_LIMIT),
inputLengthAsFractionOfMaxRounded: (inputLengthAsFractionOfMax) => {
// We don't need to update the gauge for every decimal point, so round it to the nearest 0.02
let int = Math.round(inputLengthAsFractionOfMax * 100)
int -= (int % 2)
return int / 100
},
overLimit: (inputLength) => inputLength > CHAR_LIMIT,
inputLengthLabel: (overLimit, inputLengthToDisplay) => {
if (overLimit) {