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Merge pull request #10318 from Snuffleupagus/disablePreferences

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In `GENERIC` builds, dispatch a "webviewerloaded" event (from the `webViewerLoad` function) before initializing the viewer
This commit is contained in:
Tim van der Meij 2018-11-30 22:40:10 +01:00 committed by GitHub
commit c91f437eaa
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 24 additions and 13 deletions
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19
web/app.js
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@ -169,21 +169,14 @@ let PDFViewerApplication = {
* @private
*/
async _readPreferences() {
// A subset of the Preferences that `AppOptions`, for compatibility reasons,
// is allowed to override if the `AppOptions` values matches the ones below.
const OVERRIDES = {
disableFontFace: true,
disableRange: true,
disableStream: true,
textLayerMode: TextLayerMode.DISABLE,
};
if (AppOptions.get('disablePreferences') === true) {
// Give custom implementations of the default viewer a simpler way to
// opt-out of having the `Preferences` override existing `AppOptions`.
return;
}
try {
const prefs = await this.preferences.getAll();
for (let name in prefs) {
if ((name in OVERRIDES) && AppOptions.get(name) === OVERRIDES[name]) {
continue;
}
for (const name in prefs) {
AppOptions.set(name, prefs[name]);
}
} catch (reason) { }

8
web/app_options.js
View File

@ -58,6 +58,9 @@ const defaultOptions = {
value: false,
kind: OptionKind.VIEWER,
},
/**
* The `disablePreferences` is, conditionally, defined below.
*/
enablePrintAutoRotate: {
/** @type {boolean} */
value: false,
@ -218,6 +221,11 @@ const defaultOptions = {
};
if (typeof PDFJSDev === 'undefined' ||
PDFJSDev.test('!PRODUCTION || GENERIC')) {
defaultOptions.disablePreferences = {
/** @type {boolean} */
value: false,
kind: OptionKind.VIEWER,
};
defaultOptions.locale = {
/** @type {string} */
value: (typeof navigator !== 'undefined' ? navigator.language : 'en-US'),

10
web/viewer.js
View File

@ -203,6 +203,16 @@ function webViewerLoad() {
window.PDFViewerApplication = pdfjsWebApp.PDFViewerApplication;
window.PDFViewerApplicationOptions = pdfjsWebAppOptions.AppOptions;
if (typeof PDFJSDev !== 'undefined' && PDFJSDev.test('GENERIC')) {
// Give custom implementations of the default viewer a simpler way to
// set various `AppOptions`, by dispatching an event once all viewer
// files are loaded but *before* the viewer initialization has run.
const event = document.createEvent('CustomEvent');
event.initCustomEvent('webviewerloaded', true, true, {});
document.dispatchEvent(event);
}
pdfjsWebApp.PDFViewerApplication.run(config);
}
}