r2-navigator-js
Version:
Readium 2 'navigator' for NodeJS (TypeScript)
66 lines • 2.3 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.isRTL_PackageMeta = isRTL_PackageMeta;
exports.isFixedLayout = isFixedLayout;
exports.obtainReadiumCss = obtainReadiumCss;
exports.adjustReadiumCssJsonMessageForFixedLayout = adjustReadiumCssJsonMessageForFixedLayout;
exports.setReadiumCssJsonGetter = setReadiumCssJsonGetter;
const win = global.window;
const IS_DEV = (process.env.NODE_ENV === "development" || process.env.NODE_ENV === "dev");
function isRTL_PackageMeta() {
const publication = win.READIUM2.publication;
if (publication &&
publication.Metadata &&
publication.Metadata.Direction) {
return publication.Metadata.Direction.toLowerCase() === "rtl";
}
return false;
}
function isFixedLayout(link) {
if (link && link.Properties) {
if (link.Properties.Layout === "fixed") {
return true;
}
if (typeof link.Properties.Layout !== "undefined") {
return false;
}
}
const publication = win.READIUM2.publication;
if (publication &&
publication.Metadata &&
publication.Metadata.Rendition) {
return publication.Metadata.Rendition.Layout === "fixed";
}
return false;
}
const _defaultReadiumCss = { setCSS: undefined, isFixedLayout: false };
function obtainReadiumCss(rcss) {
const r = rcss ? rcss :
(_computeReadiumCssJsonMessage ? _computeReadiumCssJsonMessage() :
_defaultReadiumCss);
if (IS_DEV) {
console.log(`ReadiumCSS obtain: ${rcss ? "provided" : (_computeReadiumCssJsonMessage ? "pulled" : "default")}`);
console.log(r);
}
return r;
}
function adjustReadiumCssJsonMessageForFixedLayout(webview, pubLink, rcss) {
if (!webview) {
return rcss;
}
if (isFixedLayout(pubLink)) {
return {
fixedLayoutWebViewHeight: webview.clientHeight,
fixedLayoutWebViewWidth: webview.clientWidth,
fixedLayoutZoomPercent: win.READIUM2.fixedLayoutZoomPercent,
isFixedLayout: true,
setCSS: undefined,
};
}
return rcss;
}
let _computeReadiumCssJsonMessage;
function setReadiumCssJsonGetter(func) {
_computeReadiumCssJsonMessage = func;
}
//# sourceMappingURL=readium-css.js.map