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Merge pull request #6073 from Snuffleupagus/bug-1170063

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[Firefox] Handle the user modifying the "mousewheel.with_meta.action" and "mousewheel.with_control.action" prefs (bug 1170063)
This commit is contained in:
Yury Delendik 2015-10-30 11:54:04 -05:00
commit c8c211602b
2 changed files with 24 additions and 1 deletions
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17
web/viewer.js
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@ -401,6 +401,18 @@ var PDFViewerApplication = {
return PDFJS.shadow(this, 'loadingBar', bar);
},
get supportedMouseWheelZoomModifierKeys() {
var support = {
ctrlKey: true,
metaKey: true,
};
//#if (FIREFOX || MOZCENTRAL)
// support = FirefoxCom.requestSync('supportedMouseWheelZoomModifierKeys');
//#endif
return PDFJS.shadow(this, 'supportedMouseWheelZoomModifierKeys', support);
},
//#if (FIREFOX || MOZCENTRAL)
initPassiveLoading: function pdfViewInitPassiveLoading() {
function FirefoxComDataRangeTransport(length, initialData) {
@ -1898,6 +1910,11 @@ function handleMouseWheel(evt) {
PDFViewerApplication.scrollPresentationMode(ticks *
MOUSE_WHEEL_DELTA_FACTOR);
} else if (evt.ctrlKey || evt.metaKey) {
var support = PDFViewerApplication.supportedMouseWheelZoomModifierKeys;
if ((evt.ctrlKey && !support.ctrlKey) ||
(evt.metaKey && !support.metaKey)) {
return;
}
// Only zoom the pages, not the entire viewer.
evt.preventDefault();