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support zi/zo commands

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This commit is contained in:
Shin'ya Ueoka 2017-08-23 21:58:58 +09:00
parent 1afbde6e19
commit 1f15d22643
5 changed files with 48 additions and 2 deletions
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34
src/background/zooms.js Normal file
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@ -0,0 +1,34 @@
// For chromium
// const ZOOM_SETTINGS = [
// 0.25, 0.33, 0.50, 0.66, 0.75, 0.80, 0.90, 1.00,
// 1.10, 1.25, 1.50, 1.75, 2.00, 2.50, 3.00, 4.00, 5.00
// ];
const ZOOM_SETTINGS = [
0.33, 0.50, 0.66, 0.75, 0.80, 0.90, 1.00,
1.10, 1.25, 1.50, 1.75, 2.00, 2.50, 3.00
];
const zoomIn = (tabId = undefined) => {
browser.tabs.getZoom(tabId).then((factor) => {
for (let f of ZOOM_SETTINGS) {
if (f > factor) {
browser.tabs.setZoom(tabId, f);
break;
}
}
});
}
const zoomOut = (tabId = undefined) => {
browser.tabs.getZoom(tabId).then((factor) => {
for (let f of [].concat(ZOOM_SETTINGS).reverse()) {
if (f < factor) {
browser.tabs.setZoom(tabId, f);
break;
}
}
});
}
export { zoomIn, zoomOut };