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Merge pull request #8891 from Snuffleupagus/es6-firefoxcom

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ES6-ify the code in `web/firefoxcom.js`
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Tim van der Meij 2017-09-10 16:10:58 +02:00 committed by GitHub
commit 3a84d582d3
1 changed files with 52 additions and 58 deletions
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110
web/firefoxcom.js
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@ -24,7 +24,7 @@ if (typeof PDFJSDev === 'undefined' ||
'FIREFOX and MOZCENTRAL builds.'); 'FIREFOX and MOZCENTRAL builds.');
} }
var FirefoxCom = (function FirefoxComClosure() { let FirefoxCom = (function FirefoxComClosure() {
return { return {
/** /**
* Creates an event that the extension is listening for and will * Creates an event that the extension is listening for and will
@ -36,17 +36,18 @@ var FirefoxCom = (function FirefoxComClosure() {
* @return {*} The response. * @return {*} The response.
*/ */
requestSync(action, data) { requestSync(action, data) {
var request = document.createTextNode(''); let request = document.createTextNode('');
document.documentElement.appendChild(request); document.documentElement.appendChild(request);
var sender = document.createEvent('CustomEvent'); let sender = document.createEvent('CustomEvent');
sender.initCustomEvent('pdf.js.message', true, false, sender.initCustomEvent('pdf.js.message', true, false,
{ action, data, sync: true, }); { action, data, sync: true, });
request.dispatchEvent(sender); request.dispatchEvent(sender);
var response = sender.detail.response; let response = sender.detail.response;
document.documentElement.removeChild(request); document.documentElement.removeChild(request);
return response; return response;
}, },
/** /**
* Creates an event that the extension is listening for and will * Creates an event that the extension is listening for and will
* asynchronously respond by calling the callback. * asynchronously respond by calling the callback.
@ -56,11 +57,11 @@ var FirefoxCom = (function FirefoxComClosure() {
* with one data argument. * with one data argument.
*/ */
request(action, data, callback) { request(action, data, callback) {
var request = document.createTextNode(''); let request = document.createTextNode('');
if (callback) { if (callback) {
document.addEventListener('pdf.js.response', function listener(event) { document.addEventListener('pdf.js.response', function listener(event) {
var node = event.target; let node = event.target;
var response = event.detail.response; let response = event.detail.response;
document.documentElement.removeChild(node); document.documentElement.removeChild(node);
@ -70,7 +71,7 @@ var FirefoxCom = (function FirefoxComClosure() {
} }
document.documentElement.appendChild(request); document.documentElement.appendChild(request);
var sender = document.createEvent('CustomEvent'); let sender = document.createEvent('CustomEvent');
sender.initCustomEvent('pdf.js.message', true, false, { sender.initCustomEvent('pdf.js.message', true, false, {
action, action,
data, data,
@ -82,48 +83,41 @@ var FirefoxCom = (function FirefoxComClosure() {
}; };
})(); })();
var DownloadManager = (function DownloadManagerClosure() { class DownloadManager {
function DownloadManager() {} downloadUrl(url, filename) {
FirefoxCom.request('download', {
originalUrl: url,
filename,
});
}
DownloadManager.prototype = { downloadData(data, filename, contentType) {
downloadUrl: function DownloadManager_downloadUrl(url, filename) { let blobUrl = createObjectURL(data, contentType, false);
FirefoxCom.request('download', {
originalUrl: url,
filename,
});
},
downloadData: function DownloadManager_downloadData(data, filename, FirefoxCom.request('download', {
contentType) { blobUrl,
var blobUrl = createObjectURL(data, contentType, false); originalUrl: blobUrl,
filename,
isAttachment: true,
});
}
FirefoxCom.request('download', { download(blob, url, filename) {
blobUrl, let blobUrl = URL.createObjectURL(blob);
originalUrl: blobUrl, let onResponse = (err) => {
filename, if (err && this.onerror) {
isAttachment: true, this.onerror(err);
}); }
}, URL.revokeObjectURL(blobUrl);
};
download: function DownloadManager_download(blob, url, filename) { FirefoxCom.request('download', {
let blobUrl = window.URL.createObjectURL(blob); blobUrl,
let onResponse = (err) => { originalUrl: url,
if (err && this.onerror) { filename,
this.onerror(err); }, onResponse);
} }
window.URL.revokeObjectURL(blobUrl); }
};
FirefoxCom.request('download', {
blobUrl,
originalUrl: url,
filename,
}, onResponse);
},
};
return DownloadManager;
})();
class FirefoxPreferences extends BasePreferences { class FirefoxPreferences extends BasePreferences {
_writeToStorage(prefObj) { _writeToStorage(prefObj) {
@ -134,8 +128,8 @@ class FirefoxPreferences extends BasePreferences {
_readFromStorage(prefObj) { _readFromStorage(prefObj) {
return new Promise(function(resolve) { return new Promise(function(resolve) {
FirefoxCom.request('getPreferences', prefObj, function (prefStr) { FirefoxCom.request('getPreferences', prefObj, function(prefStr) {
var readPrefs = JSON.parse(prefStr); let readPrefs = JSON.parse(prefStr);
resolve(readPrefs); resolve(readPrefs);
}); });
}); });
@ -162,13 +156,13 @@ class MozL10n {
} }
(function listenFindEvents() { (function listenFindEvents() {
var events = [ const events = [
'find', 'find',
'findagain', 'findagain',
'findhighlightallchange', 'findhighlightallchange',
'findcasesensitivitychange' 'findcasesensitivitychange'
]; ];
var handleEvent = function (evt) { let handleEvent = function(evt) {
if (!PDFViewerApplication.initialized) { if (!PDFViewerApplication.initialized) {
return; return;
} }
@ -183,7 +177,7 @@ class MozL10n {
}); });
}; };
for (var i = 0, len = events.length; i < len; i++) { for (let i = 0, len = events.length; i < len; i++) {
window.addEventListener(events[i], handleEvent); window.addEventListener(events[i], handleEvent);
} }
})(); })();
@ -209,7 +203,7 @@ PDFViewerApplication.externalServices = {
}, },
initPassiveLoading(callbacks) { initPassiveLoading(callbacks) {
var pdfDataRangeTransport; let pdfDataRangeTransport;
window.addEventListener('message', function windowMessage(e) { window.addEventListener('message', function windowMessage(e) {
if (e.source !== null) { if (e.source !== null) {
@ -217,7 +211,7 @@ PDFViewerApplication.externalServices = {
console.warn('Rejected untrusted message from ' + e.origin); console.warn('Rejected untrusted message from ' + e.origin);
return; return;
} }
var args = e.data; let args = e.data;
if (typeof args !== 'object' || !('pdfjsLoadAction' in args)) { if (typeof args !== 'object' || !('pdfjsLoadAction' in args)) {
return; return;
@ -271,28 +265,28 @@ PDFViewerApplication.externalServices = {
}, },
createL10n() { createL10n() {
var mozL10n = document.mozL10n; let mozL10n = document.mozL10n;
// TODO refactor mozL10n.setExternalLocalizerServices // TODO refactor mozL10n.setExternalLocalizerServices
return new MozL10n(mozL10n); return new MozL10n(mozL10n);
}, },
get supportsIntegratedFind() { get supportsIntegratedFind() {
var support = FirefoxCom.requestSync('supportsIntegratedFind'); let support = FirefoxCom.requestSync('supportsIntegratedFind');
return shadow(this, 'supportsIntegratedFind', support); return shadow(this, 'supportsIntegratedFind', support);
}, },
get supportsDocumentFonts() { get supportsDocumentFonts() {
var support = FirefoxCom.requestSync('supportsDocumentFonts'); let support = FirefoxCom.requestSync('supportsDocumentFonts');
return shadow(this, 'supportsDocumentFonts', support); return shadow(this, 'supportsDocumentFonts', support);
}, },
get supportsDocumentColors() { get supportsDocumentColors() {
var support = FirefoxCom.requestSync('supportsDocumentColors'); let support = FirefoxCom.requestSync('supportsDocumentColors');
return shadow(this, 'supportsDocumentColors', support); return shadow(this, 'supportsDocumentColors', support);
}, },
get supportedMouseWheelZoomModifierKeys() { get supportedMouseWheelZoomModifierKeys() {
var support = FirefoxCom.requestSync('supportedMouseWheelZoomModifierKeys'); let support = FirefoxCom.requestSync('supportedMouseWheelZoomModifierKeys');
return shadow(this, 'supportedMouseWheelZoomModifierKeys', support); return shadow(this, 'supportedMouseWheelZoomModifierKeys', support);
}, },
}; };