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UX: mess with iPad and iPhone sizing to compensate for keyboard

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iOS still has no mechanism for figuring out how big the keyboard is, so
we fudge it.
This commit is contained in:
Sam
2017-09-27 16:50:04 +10:00
parent 2568312475
commit a311dd06fe
1 changed files with 27 additions and 6 deletions
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33
app/assets/javascripts/discourse/lib/safari-hacks.js.es6
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@ -6,17 +6,38 @@ export function isAppleDevice() {
!navigator.userAgent.match(/Trident/g); !navigator.userAgent.match(/Trident/g);
} }
// we can't tell what the actual visible window height is // we can't tell what the actual visible window height is
// because we cannot account for the height of the mobile keyboard // because we cannot account for the height of the mobile keyboard
// and any other mobile autocomplete UI that may appear // and any other mobile autocomplete UI that may appear
// so let's be conservative here rather than trying to max out every // so let's be conservative here rather than trying to max out every
// available pixel of height for the editor // available pixel of height for the editor
function calcHeight(composingTopic) { function calcHeight() {
const winHeight = window.innerHeight;
const ratio = composingTopic ? 0.45 : 0.45; // estimate 270 px for keyboard
const min = composingTopic ? 300 : 300; let withoutKeyboard = window.innerHeight - 270;
return Math.max(parseInt(winHeight*ratio), min); const min = 270;
// iPhone 6/7/8
if (window.innerHeight === 553) {
withoutKeyboard = 308;
}
// iPhone 6/7/8 plus
if (window.innerHeight === 622) {
withoutKeyboard = 360;
}
// iPad landscape, so we have a bigger keyboard
if (window.innerWidth > window.innerHeight && window.innerHeight > 690) {
withoutKeyboard -= 128;
}
// iPad portrait also has a bigger keyboard
if (window.innerWidth < window.innerHeight && window.innerHeight > 950) {
withoutKeyboard -= 45;
}
return Math.max(withoutKeyboard, min);
} }
let workaroundActive = false; let workaroundActive = false;