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| /* Copyright 2017 Mozilla Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.DOMCMapReaderFactory = exports.DOMCanvasFactory = exports.DEFAULT_LINK_REL = exports.getDefaultSetting = exports.LinkTarget = exports.getFilenameFromUrl = exports.isValidUrl = exports.isExternalLinkTargetSet = exports.addLinkAttributes = exports.RenderingCancelledException = exports.CustomStyle = undefined;
var _util = require('../shared/util');
var DEFAULT_LINK_REL = 'noopener noreferrer nofollow';
function DOMCanvasFactory() {}
DOMCanvasFactory.prototype = {
create: function DOMCanvasFactory_create(width, height) {
(0, _util.assert)(width > 0 && height > 0, 'invalid canvas size');
var canvas = document.createElement('canvas');
var context = canvas.getContext('2d');
canvas.width = width;
canvas.height = height;
return {
canvas: canvas,
context: context
};
},
reset: function DOMCanvasFactory_reset(canvasAndContextPair, width, height) {
(0, _util.assert)(canvasAndContextPair.canvas, 'canvas is not specified');
(0, _util.assert)(width > 0 && height > 0, 'invalid canvas size');
canvasAndContextPair.canvas.width = width;
canvasAndContextPair.canvas.height = height;
},
destroy: function DOMCanvasFactory_destroy(canvasAndContextPair) {
(0, _util.assert)(canvasAndContextPair.canvas, 'canvas is not specified');
canvasAndContextPair.canvas.width = 0;
canvasAndContextPair.canvas.height = 0;
canvasAndContextPair.canvas = null;
canvasAndContextPair.context = null;
}
};
var DOMCMapReaderFactory = function DOMCMapReaderFactoryClosure() {
function DOMCMapReaderFactory(params) {
this.baseUrl = params.baseUrl || null;
this.isCompressed = params.isCompressed || false;
}
DOMCMapReaderFactory.prototype = {
fetch: function fetch(params) {
var name = params.name;
if (!name) {
return Promise.reject(new Error('CMap name must be specified.'));
}
return new Promise(function (resolve, reject) {
var url = this.baseUrl + name + (this.isCompressed ? '.bcmap' : '');
var request = new XMLHttpRequest();
request.open('GET', url, true);
if (this.isCompressed) {
request.responseType = 'arraybuffer';
}
request.onreadystatechange = function () {
if (request.readyState !== XMLHttpRequest.DONE) {
return;
}
if (request.status === 200 || request.status === 0) {
var data;
if (this.isCompressed && request.response) {
data = new Uint8Array(request.response);
} else if (!this.isCompressed && request.responseText) {
data = (0, _util.stringToBytes)(request.responseText);
}
if (data) {
resolve({
cMapData: data,
compressionType: this.isCompressed ? _util.CMapCompressionType.BINARY : _util.CMapCompressionType.NONE
});
return;
}
}
reject(new Error('Unable to load ' + (this.isCompressed ? 'binary ' : '') + 'CMap at: ' + url));
}.bind(this);
request.send(null);
}.bind(this));
}
};
return DOMCMapReaderFactory;
}();
var CustomStyle = function CustomStyleClosure() {
var prefixes = ['ms', 'Moz', 'Webkit', 'O'];
var _cache = Object.create(null);
function CustomStyle() {}
CustomStyle.getProp = function get(propName, element) {
if (arguments.length === 1 && typeof _cache[propName] === 'string') {
return _cache[propName];
}
element = element || document.documentElement;
var style = element.style,
prefixed,
uPropName;
if (typeof style[propName] === 'string') {
return _cache[propName] = propName;
}
uPropName = propName.charAt(0).toUpperCase() + propName.slice(1);
for (var i = 0, l = prefixes.length; i < l; i++) {
prefixed = prefixes[i] + uPropName;
if (typeof style[prefixed] === 'string') {
return _cache[propName] = prefixed;
}
}
return _cache[propName] = 'undefined';
};
CustomStyle.setProp = function set(propName, element, str) {
var prop = this.getProp(propName);
if (prop !== 'undefined') {
element.style[prop] = str;
}
};
return CustomStyle;
}();
var RenderingCancelledException = function RenderingCancelledException() {
function RenderingCancelledException(msg, type) {
this.message = msg;
this.type = type;
}
RenderingCancelledException.prototype = new Error();
RenderingCancelledException.prototype.name = 'RenderingCancelledException';
RenderingCancelledException.constructor = RenderingCancelledException;
return RenderingCancelledException;
}();
var LinkTarget = {
NONE: 0,
SELF: 1,
BLANK: 2,
PARENT: 3,
TOP: 4
};
var LinkTargetStringMap = ['', '_self', '_blank', '_parent', '_top'];
function addLinkAttributes(link, params) {
var url = params && params.url;
link.href = link.title = url ? (0, _util.removeNullCharacters)(url) : '';
if (url) {
var target = params.target;
if (typeof target === 'undefined') {
target = getDefaultSetting('externalLinkTarget');
}
link.target = LinkTargetStringMap[target];
var rel = params.rel;
if (typeof rel === 'undefined') {
rel = getDefaultSetting('externalLinkRel');
}
link.rel = rel;
}
}
function getFilenameFromUrl(url) {
var anchor = url.indexOf('#');
var query = url.indexOf('?');
var end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length);
return url.substring(url.lastIndexOf('/', end) + 1, end);
}
function getDefaultSetting(id) {
var globalSettings = _util.globalScope.PDFJS;
switch (id) {
case 'pdfBug':
return globalSettings ? globalSettings.pdfBug : false;
case 'disableAutoFetch':
return globalSettings ? globalSettings.disableAutoFetch : false;
case 'disableStream':
return globalSettings ? globalSettings.disableStream : false;
case 'disableRange':
return globalSettings ? globalSettings.disableRange : false;
case 'disableFontFace':
return globalSettings ? globalSettings.disableFontFace : false;
case 'disableCreateObjectURL':
return globalSettings ? globalSettings.disableCreateObjectURL : false;
case 'disableWebGL':
return globalSettings ? globalSettings.disableWebGL : true;
case 'cMapUrl':
return globalSettings ? globalSettings.cMapUrl : null;
case 'cMapPacked':
return globalSettings ? globalSettings.cMapPacked : false;
case 'postMessageTransfers':
return globalSettings ? globalSettings.postMessageTransfers : true;
case 'workerPort':
return globalSettings ? globalSettings.workerPort : null;
case 'workerSrc':
return globalSettings ? globalSettings.workerSrc : null;
case 'disableWorker':
return globalSettings ? globalSettings.disableWorker : false;
case 'maxImageSize':
return globalSettings ? globalSettings.maxImageSize : -1;
case 'imageResourcesPath':
return globalSettings ? globalSettings.imageResourcesPath : '';
case 'isEvalSupported':
return globalSettings ? globalSettings.isEvalSupported : true;
case 'externalLinkTarget':
if (!globalSettings) {
return LinkTarget.NONE;
}
switch (globalSettings.externalLinkTarget) {
case LinkTarget.NONE:
case LinkTarget.SELF:
case LinkTarget.BLANK:
case LinkTarget.PARENT:
case LinkTarget.TOP:
return globalSettings.externalLinkTarget;
}
(0, _util.warn)('PDFJS.externalLinkTarget is invalid: ' + globalSettings.externalLinkTarget);
globalSettings.externalLinkTarget = LinkTarget.NONE;
return LinkTarget.NONE;
case 'externalLinkRel':
return globalSettings ? globalSettings.externalLinkRel : DEFAULT_LINK_REL;
case 'enableStats':
return !!(globalSettings && globalSettings.enableStats);
case 'pdfjsNext':
return !!(globalSettings && globalSettings.pdfjsNext);
default:
throw new Error('Unknown default setting: ' + id);
}
}
function isExternalLinkTargetSet() {
var externalLinkTarget = getDefaultSetting('externalLinkTarget');
switch (externalLinkTarget) {
case LinkTarget.NONE:
return false;
case LinkTarget.SELF:
case LinkTarget.BLANK:
case LinkTarget.PARENT:
case LinkTarget.TOP:
return true;
}
}
function isValidUrl(url, allowRelative) {
(0, _util.deprecated)('isValidUrl(), please use createValidAbsoluteUrl() instead.');
var baseUrl = allowRelative ? 'http://example.com' : null;
return (0, _util.createValidAbsoluteUrl)(url, baseUrl) !== null;
}
exports.CustomStyle = CustomStyle;
exports.RenderingCancelledException = RenderingCancelledException;
exports.addLinkAttributes = addLinkAttributes;
exports.isExternalLinkTargetSet = isExternalLinkTargetSet;
exports.isValidUrl = isValidUrl;
exports.getFilenameFromUrl = getFilenameFromUrl;
exports.LinkTarget = LinkTarget;
exports.getDefaultSetting = getDefaultSetting;
exports.DEFAULT_LINK_REL = DEFAULT_LINK_REL;
exports.DOMCanvasFactory = DOMCanvasFactory;
exports.DOMCMapReaderFactory = DOMCMapReaderFactory;
|