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pdf viewer no longer 'eats' keyboard input

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This commit is contained in:
Thomas Mueller 2012-06-22 16:10:06 +02:00
parent 2d2366bb57
commit aade44471d
1 changed files with 0 additions and 66 deletions
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66
apps/files_pdfviewer/js/pdfjs/viewer.js
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@ -1871,70 +1871,4 @@ window.addEventListener('DOMMouseScroll', function(evt) {
}
}, false);
window.addEventListener('keydown', function keydown(evt) {
var handled = false;
var cmd = (evt.ctrlKey ? 1 : 0) |
(evt.altKey ? 2 : 0) |
(evt.shiftKey ? 4 : 0) |
(evt.metaKey ? 8 : 0);
// First, handle the key bindings that are independent whether an input
// control is selected or not.
if (cmd == 1 || cmd == 8) { // either CTRL or META key.
switch (evt.keyCode) {
case 61: // FF/Mac '='
case 107: // FF '+' and '='
case 187: // Chrome '+'
PDFView.zoomIn();
handled = true;
break;
case 109: // FF '-'
case 189: // Chrome '-'
PDFView.zoomOut();
handled = true;
break;
case 48: // '0'
PDFView.parseScale(kDefaultScale, true);
handled = true;
break;
}
}
if (handled) {
evt.preventDefault();
return;
}
// Some shortcuts should not get handled if a control/input element
// is selected.
var curElement = document.activeElement;
if (curElement && curElement.tagName == 'INPUT')
return;
var controlsElement = document.getElementById('controls');
while (curElement) {
if (curElement === controlsElement)
return; // ignoring if the 'controls' element is focused
curElement = curElement.parentNode;
}
if (cmd == 0) { // no control key pressed at all.
switch (evt.keyCode) {
case 37: // left arrow
case 75: // 'k'
case 80: // 'p'
PDFView.page--;
handled = true;
break;
case 39: // right arrow
case 74: // 'j'
case 78: // 'n'
PDFView.page++;
handled = true;
break;
}
}
if (handled) {
evt.preventDefault();
}
});