aiber-test/www/keyboard-5742b5da-js-es5.js
2020-12-18 09:30:04 +00:00

238 lines
7.5 KiB
JavaScript

(function () {
(window["webpackJsonp"] = window["webpackJsonp"] || []).push([["keyboard-5742b5da-js"], {
/***/
"./node_modules/@ionic/core/dist/esm/keyboard-5742b5da.js":
/*!****************************************************************!*\
!*** ./node_modules/@ionic/core/dist/esm/keyboard-5742b5da.js ***!
\****************************************************************/
/*! exports provided: KEYBOARD_DID_CLOSE, KEYBOARD_DID_OPEN, copyVisualViewport, keyboardDidClose, keyboardDidOpen, keyboardDidResize, resetKeyboardAssist, setKeyboardClose, setKeyboardOpen, startKeyboardAssist, trackViewportChanges */
/***/
function node_modulesIonicCoreDistEsmKeyboard5742b5daJs(module, __webpack_exports__, __webpack_require__) {
"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */
__webpack_require__.d(__webpack_exports__, "KEYBOARD_DID_CLOSE", function () {
return KEYBOARD_DID_CLOSE;
});
/* harmony export (binding) */
__webpack_require__.d(__webpack_exports__, "KEYBOARD_DID_OPEN", function () {
return KEYBOARD_DID_OPEN;
});
/* harmony export (binding) */
__webpack_require__.d(__webpack_exports__, "copyVisualViewport", function () {
return copyVisualViewport;
});
/* harmony export (binding) */
__webpack_require__.d(__webpack_exports__, "keyboardDidClose", function () {
return keyboardDidClose;
});
/* harmony export (binding) */
__webpack_require__.d(__webpack_exports__, "keyboardDidOpen", function () {
return keyboardDidOpen;
});
/* harmony export (binding) */
__webpack_require__.d(__webpack_exports__, "keyboardDidResize", function () {
return keyboardDidResize;
});
/* harmony export (binding) */
__webpack_require__.d(__webpack_exports__, "resetKeyboardAssist", function () {
return resetKeyboardAssist;
});
/* harmony export (binding) */
__webpack_require__.d(__webpack_exports__, "setKeyboardClose", function () {
return setKeyboardClose;
});
/* harmony export (binding) */
__webpack_require__.d(__webpack_exports__, "setKeyboardOpen", function () {
return setKeyboardOpen;
});
/* harmony export (binding) */
__webpack_require__.d(__webpack_exports__, "startKeyboardAssist", function () {
return startKeyboardAssist;
});
/* harmony export (binding) */
__webpack_require__.d(__webpack_exports__, "trackViewportChanges", function () {
return trackViewportChanges;
});
var KEYBOARD_DID_OPEN = 'ionKeyboardDidShow';
var KEYBOARD_DID_CLOSE = 'ionKeyboardDidHide';
var KEYBOARD_THRESHOLD = 150;
var previousVisualViewport = {};
var currentVisualViewport = {};
var keyboardOpen = false;
/**
* This is only used for tests
*/
var resetKeyboardAssist = function resetKeyboardAssist() {
previousVisualViewport = {};
currentVisualViewport = {};
keyboardOpen = false;
};
var startKeyboardAssist = function startKeyboardAssist(win) {
startNativeListeners(win);
if (!win.visualViewport) {
return;
}
currentVisualViewport = copyVisualViewport(win.visualViewport);
win.visualViewport.onresize = function () {
trackViewportChanges(win);
if (keyboardDidOpen() || keyboardDidResize(win)) {
setKeyboardOpen(win);
} else if (keyboardDidClose(win)) {
setKeyboardClose(win);
}
};
};
/**
* Listen for events fired by native keyboard plugin
* in Capacitor/Cordova so devs only need to listen
* in one place.
*/
var startNativeListeners = function startNativeListeners(win) {
win.addEventListener('keyboardDidShow', function (ev) {
return setKeyboardOpen(win, ev);
});
win.addEventListener('keyboardDidHide', function () {
return setKeyboardClose(win);
});
};
var setKeyboardOpen = function setKeyboardOpen(win, ev) {
fireKeyboardOpenEvent(win, ev);
keyboardOpen = true;
};
var setKeyboardClose = function setKeyboardClose(win) {
fireKeyboardCloseEvent(win);
keyboardOpen = false;
};
/**
* Returns `true` if the `keyboardOpen` flag is not
* set, the previous visual viewport width equal the current
* visual viewport width, and if the scaled difference
* of the previous visual viewport height minus the current
* visual viewport height is greater than KEYBOARD_THRESHOLD
*
* We need to be able to accommodate users who have zooming
* enabled in their browser (or have zoomed in manually) which
* is why we take into account the current visual viewport's
* scale value.
*/
var keyboardDidOpen = function keyboardDidOpen() {
var scaledHeightDifference = (previousVisualViewport.height - currentVisualViewport.height) * currentVisualViewport.scale;
return !keyboardOpen && previousVisualViewport.width === currentVisualViewport.width && scaledHeightDifference > KEYBOARD_THRESHOLD;
};
/**
* Returns `true` if the keyboard is open,
* but the keyboard did not close
*/
var keyboardDidResize = function keyboardDidResize(win) {
return keyboardOpen && !keyboardDidClose(win);
};
/**
* Determine if the keyboard was closed
* Returns `true` if the `keyboardOpen` flag is set and
* the current visual viewport height equals the
* layout viewport height.
*/
var keyboardDidClose = function keyboardDidClose(win) {
return keyboardOpen && currentVisualViewport.height === win.innerHeight;
};
/**
* Dispatch a keyboard open event
*/
var fireKeyboardOpenEvent = function fireKeyboardOpenEvent(win, nativeEv) {
var keyboardHeight = nativeEv ? nativeEv.keyboardHeight : win.innerHeight - currentVisualViewport.height;
var ev = new CustomEvent(KEYBOARD_DID_OPEN, {
detail: {
keyboardHeight: keyboardHeight
}
});
win.dispatchEvent(ev);
};
/**
* Dispatch a keyboard close event
*/
var fireKeyboardCloseEvent = function fireKeyboardCloseEvent(win) {
var ev = new CustomEvent(KEYBOARD_DID_CLOSE);
win.dispatchEvent(ev);
};
/**
* Given a window object, create a copy of
* the current visual and layout viewport states
* while also preserving the previous visual and
* layout viewport states
*/
var trackViewportChanges = function trackViewportChanges(win) {
previousVisualViewport = Object.assign({}, currentVisualViewport);
currentVisualViewport = copyVisualViewport(win.visualViewport);
};
/**
* Creates a deep copy of the visual viewport
* at a given state
*/
var copyVisualViewport = function copyVisualViewport(visualViewport) {
return {
width: Math.round(visualViewport.width),
height: Math.round(visualViewport.height),
offsetTop: visualViewport.offsetTop,
offsetLeft: visualViewport.offsetLeft,
pageTop: visualViewport.pageTop,
pageLeft: visualViewport.pageLeft,
scale: visualViewport.scale
};
};
/***/
}
}]);
})();
//# sourceMappingURL=keyboard-5742b5da-js-es5.js.map