PDF-Previews in file-lists now working (#3000)
Kim Carlbäcker
7 years ago
committed by
Unknwon
parent
0325bec283
commit
3df8eb60e3
@ -0,0 +1,177 @@
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Apache License
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@ -0,0 +1,593 @@
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/* Copyright 2012 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/* globals VBArray, PDFJS */
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'use strict';
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// Initializing PDFJS global object here, it case if we need to change/disable
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// some PDF.js features, e.g. range requests
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if (typeof PDFJS === 'undefined') {
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(typeof window !== 'undefined' ? window : this).PDFJS = {};
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}
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|
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// Checking if the typed arrays are supported
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// Support: iOS<6.0 (subarray), IE<10, Android<4.0
|
||||
(function checkTypedArrayCompatibility() {
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if (typeof Uint8Array !== 'undefined') {
|
||||
// Support: iOS<6.0
|
||||
if (typeof Uint8Array.prototype.subarray === 'undefined') {
|
||||
Uint8Array.prototype.subarray = function subarray(start, end) {
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return new Uint8Array(this.slice(start, end));
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};
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Float32Array.prototype.subarray = function subarray(start, end) {
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return new Float32Array(this.slice(start, end));
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};
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}
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// Support: Android<4.1
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if (typeof Float64Array === 'undefined') {
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window.Float64Array = Float32Array;
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}
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return;
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}
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function subarray(start, end) {
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return new TypedArray(this.slice(start, end));
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}
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function setArrayOffset(array, offset) {
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if (arguments.length < 2) {
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offset = 0;
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}
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for (var i = 0, n = array.length; i < n; ++i, ++offset) {
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this[offset] = array[i] & 0xFF;
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}
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}
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function TypedArray(arg1) {
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var result, i, n;
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if (typeof arg1 === 'number') {
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result = [];
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for (i = 0; i < arg1; ++i) {
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result[i] = 0;
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}
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} else if ('slice' in arg1) {
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result = arg1.slice(0);
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} else {
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result = [];
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for (i = 0, n = arg1.length; i < n; ++i) {
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result[i] = arg1[i];
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}
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}
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result.subarray = subarray;
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result.buffer = result;
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result.byteLength = result.length;
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result.set = setArrayOffset;
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|
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if (typeof arg1 === 'object' && arg1.buffer) {
|
||||
result.buffer = arg1.buffer;
|
||||
}
|
||||
return result;
|
||||
}
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||||
|
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window.Uint8Array = TypedArray;
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window.Int8Array = TypedArray;
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||||
|
||||
// we don't need support for set, byteLength for 32-bit array
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// so we can use the TypedArray as well
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window.Uint32Array = TypedArray;
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window.Int32Array = TypedArray;
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window.Uint16Array = TypedArray;
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window.Float32Array = TypedArray;
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window.Float64Array = TypedArray;
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})();
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|
||||
// URL = URL || webkitURL
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||||
// Support: Safari<7, Android 4.2+
|
||||
(function normalizeURLObject() {
|
||||
if (!window.URL) {
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||||
window.URL = window.webkitURL;
|
||||
}
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||||
})();
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|
||||
// Object.defineProperty()?
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// Support: Android<4.0, Safari<5.1
|
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(function checkObjectDefinePropertyCompatibility() {
|
||||
if (typeof Object.defineProperty !== 'undefined') {
|
||||
var definePropertyPossible = true;
|
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try {
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||||
// some browsers (e.g. safari) cannot use defineProperty() on DOM objects
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||||
// and thus the native version is not sufficient
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Object.defineProperty(new Image(), 'id', { value: 'test' });
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||||
// ... another test for android gb browser for non-DOM objects
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var Test = function Test() {};
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Test.prototype = { get id() { } };
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Object.defineProperty(new Test(), 'id',
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||||
{ value: '', configurable: true, enumerable: true, writable: false });
|
||||
} catch (e) {
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definePropertyPossible = false;
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||||
}
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||||
if (definePropertyPossible) {
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return;
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||||
}
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||||
}
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||||
|
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Object.defineProperty = function objectDefineProperty(obj, name, def) {
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delete obj[name];
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||||
if ('get' in def) {
|
||||
obj.__defineGetter__(name, def['get']);
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||||
}
|
||||
if ('set' in def) {
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obj.__defineSetter__(name, def['set']);
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}
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||||
if ('value' in def) {
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obj.__defineSetter__(name, function objectDefinePropertySetter(value) {
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this.__defineGetter__(name, function objectDefinePropertyGetter() {
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return value;
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});
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return value;
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});
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obj[name] = def.value;
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}
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};
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})();
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// No XMLHttpRequest#response?
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// Support: IE<11, Android <4.0
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(function checkXMLHttpRequestResponseCompatibility() {
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var xhrPrototype = XMLHttpRequest.prototype;
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var xhr = new XMLHttpRequest();
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if (!('overrideMimeType' in xhr)) {
|
||||
// IE10 might have response, but not overrideMimeType
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||||
// Support: IE10
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Object.defineProperty(xhrPrototype, 'overrideMimeType', {
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value: function xmlHttpRequestOverrideMimeType(mimeType) {}
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});
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}
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if ('responseType' in xhr) {
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return;
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}
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// The worker will be using XHR, so we can save time and disable worker.
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PDFJS.disableWorker = true;
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Object.defineProperty(xhrPrototype, 'responseType', {
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||||
get: function xmlHttpRequestGetResponseType() {
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||||
return this._responseType || 'text';
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||||
},
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set: function xmlHttpRequestSetResponseType(value) {
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||||
if (value === 'text' || value === 'arraybuffer') {
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||||
this._responseType = value;
|
||||
if (value === 'arraybuffer' &&
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typeof this.overrideMimeType === 'function') {
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this.overrideMimeType('text/plain; charset=x-user-defined');
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||||
}
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||||
}
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||||
}
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||||
});
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|
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// Support: IE9
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||||
if (typeof VBArray !== 'undefined') {
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||||
Object.defineProperty(xhrPrototype, 'response', {
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get: function xmlHttpRequestResponseGet() {
|
||||
if (this.responseType === 'arraybuffer') {
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||||
return new Uint8Array(new VBArray(this.responseBody).toArray());
|
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} else {
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||||
return this.responseText;
|
||||
}
|
||||
}
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||||
});
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return;
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||||
}
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Object.defineProperty(xhrPrototype, 'response', {
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get: function xmlHttpRequestResponseGet() {
|
||||
if (this.responseType !== 'arraybuffer') {
|
||||
return this.responseText;
|
||||
}
|
||||
var text = this.responseText;
|
||||
var i, n = text.length;
|
||||
var result = new Uint8Array(n);
|
||||
for (i = 0; i < n; ++i) {
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result[i] = text.charCodeAt(i) & 0xFF;
|
||||
}
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||||
return result.buffer;
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||||
}
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||||
});
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||||
})();
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||||
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||||
// window.btoa (base64 encode function) ?
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||||
// Support: IE<10
|
||||
(function checkWindowBtoaCompatibility() {
|
||||
if ('btoa' in window) {
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||||
return;
|
||||
}
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||||
|
||||
var digits =
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'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
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||||
|
||||
window.btoa = function windowBtoa(chars) {
|
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var buffer = '';
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||||
var i, n;
|
||||
for (i = 0, n = chars.length; i < n; i += 3) {
|
||||
var b1 = chars.charCodeAt(i) & 0xFF;
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||||
var b2 = chars.charCodeAt(i + 1) & 0xFF;
|
||||
var b3 = chars.charCodeAt(i + 2) & 0xFF;
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||||
var d1 = b1 >> 2, d2 = ((b1 & 3) << 4) | (b2 >> 4);
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||||
var d3 = i + 1 < n ? ((b2 & 0xF) << 2) | (b3 >> 6) : 64;
|
||||
var d4 = i + 2 < n ? (b3 & 0x3F) : 64;
|
||||
buffer += (digits.charAt(d1) + digits.charAt(d2) +
|
||||
digits.charAt(d3) + digits.charAt(d4));
|
||||
}
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||||
return buffer;
|
||||
};
|
||||
})();
|
||||
|
||||
// window.atob (base64 encode function)?
|
||||
// Support: IE<10
|
||||
(function checkWindowAtobCompatibility() {
|
||||
if ('atob' in window) {
|
||||
return;
|
||||
}
|
||||
|
||||
// https://github.com/davidchambers/Base64.js
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||||
var digits =
|
||||
'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
|
||||
window.atob = function (input) {
|
||||
input = input.replace(/=+$/, '');
|
||||
if (input.length % 4 === 1) {
|
||||
throw new Error('bad atob input');
|
||||
}
|
||||
for (
|
||||
// initialize result and counters
|
||||
var bc = 0, bs, buffer, idx = 0, output = '';
|
||||
// get next character
|
||||
buffer = input.charAt(idx++);
|
||||
// character found in table?
|
||||
// initialize bit storage and add its ascii value
|
||||
~buffer && (bs = bc % 4 ? bs * 64 + buffer : buffer,
|
||||
// and if not first of each 4 characters,
|
||||
// convert the first 8 bits to one ascii character
|
||||
bc++ % 4) ? output += String.fromCharCode(255 & bs >> (-2 * bc & 6)) : 0
|
||||
) {
|
||||
// try to find character in table (0-63, not found => -1)
|
||||
buffer = digits.indexOf(buffer);
|
||||
}
|
||||
return output;
|
||||
};
|
||||
})();
|
||||
|
||||
// Function.prototype.bind?
|
||||
// Support: Android<4.0, iOS<6.0
|
||||
(function checkFunctionPrototypeBindCompatibility() {
|
||||
if (typeof Function.prototype.bind !== 'undefined') {
|
||||
return;
|
||||
}
|
||||
|
||||
Function.prototype.bind = function functionPrototypeBind(obj) {
|
||||
var fn = this, headArgs = Array.prototype.slice.call(arguments, 1);
|
||||
var bound = function functionPrototypeBindBound() {
|
||||
var args = headArgs.concat(Array.prototype.slice.call(arguments));
|
||||
return fn.apply(obj, args);
|
||||
};
|
||||
return bound;
|
||||
};
|
||||
})();
|
||||
|
||||
// HTMLElement dataset property
|
||||
// Support: IE<11, Safari<5.1, Android<4.0
|
||||
(function checkDatasetProperty() {
|
||||
var div = document.createElement('div');
|
||||
if ('dataset' in div) {
|
||||
return; // dataset property exists
|
||||
}
|
||||
|
||||
Object.defineProperty(HTMLElement.prototype, 'dataset', {
|
||||
get: function() {
|
||||
if (this._dataset) {
|
||||
return this._dataset;
|
||||
}
|
||||
|
||||
var dataset = {};
|
||||
for (var j = 0, jj = this.attributes.length; j < jj; j++) {
|
||||
var attribute = this.attributes[j];
|
||||
if (attribute.name.substring(0, 5) !== 'data-') {
|
||||
continue;
|
||||
}
|
||||
var key = attribute.name.substring(5).replace(/\-([a-z])/g,
|
||||
function(all, ch) {
|
||||
return ch.toUpperCase();
|
||||
});
|
||||
dataset[key] = attribute.value;
|
||||
}
|
||||
|
||||
Object.defineProperty(this, '_dataset', {
|
||||
value: dataset,
|
||||
writable: false,
|
||||
enumerable: false
|
||||
});
|
||||
return dataset;
|
||||
},
|
||||
enumerable: true
|
||||
});
|
||||
})();
|
||||
|
||||
// HTMLElement classList property
|
||||
// Support: IE<10, Android<4.0, iOS<5.0
|
||||
(function checkClassListProperty() {
|
||||
var div = document.createElement('div');
|
||||
if ('classList' in div) {
|
||||
return; // classList property exists
|
||||
}
|
||||
|
||||
function changeList(element, itemName, add, remove) {
|
||||
var s = element.className || '';
|
||||
var list = s.split(/\s+/g);
|
||||
if (list[0] === '') {
|
||||
list.shift();
|
||||
}
|
||||
var index = list.indexOf(itemName);
|
||||
if (index < 0 && add) {
|
||||
list.push(itemName);
|
||||
}
|
||||
if (index >= 0 && remove) {
|
||||
list.splice(index, 1);
|
||||
}
|
||||
element.className = list.join(' ');
|
||||
return (index >= 0);
|
||||
}
|
||||
|
||||
var classListPrototype = {
|
||||
add: function(name) {
|
||||
changeList(this.element, name, true, false);
|
||||
},
|
||||
contains: function(name) {
|
||||
return changeList(this.element, name, false, false);
|
||||
},
|
||||
remove: function(name) {
|
||||
changeList(this.element, name, false, true);
|
||||
},
|
||||
toggle: function(name) {
|
||||
changeList(this.element, name, true, true);
|
||||
}
|
||||
};
|
||||
|
||||
Object.defineProperty(HTMLElement.prototype, 'classList', {
|
||||
get: function() {
|
||||
if (this._classList) {
|
||||
return this._classList;
|
||||
}
|
||||
|
||||
var classList = Object.create(classListPrototype, {
|
||||
element: {
|
||||
value: this,
|
||||
writable: false,
|
||||
enumerable: true
|
||||
}
|
||||
});
|
||||
Object.defineProperty(this, '_classList', {
|
||||
value: classList,
|
||||
writable: false,
|
||||
enumerable: false
|
||||
});
|
||||
return classList;
|
||||
},
|
||||
enumerable: true
|
||||
});
|
||||
})();
|
||||
|
||||
// Check console compatibility
|
||||
// In older IE versions the console object is not available
|
||||
// unless console is open.
|
||||
// Support: IE<10
|
||||
(function checkConsoleCompatibility() {
|
||||
if (!('console' in window)) {
|
||||
window.console = {
|
||||
log: function() {},
|
||||
error: function() {},
|
||||
warn: function() {}
|
||||
};
|
||||
} else if (!('bind' in console.log)) {
|
||||
// native functions in IE9 might not have bind
|
||||
console.log = (function(fn) {
|
||||
return function(msg) { return fn(msg); };
|
||||
})(console.log);
|
||||
console.error = (function(fn) {
|
||||
return function(msg) { return fn(msg); };
|
||||
})(console.error);
|
||||
console.warn = (function(fn) {
|
||||
return function(msg) { return fn(msg); };
|
||||
})(console.warn);
|
||||
}
|
||||
})();
|
||||
|
||||
// Check onclick compatibility in Opera
|
||||
// Support: Opera<15
|
||||
(function checkOnClickCompatibility() {
|
||||
// workaround for reported Opera bug DSK-354448:
|
||||
// onclick fires on disabled buttons with opaque content
|
||||
function ignoreIfTargetDisabled(event) {
|
||||
if (isDisabled(event.target)) {
|
||||
event.stopPropagation();
|
||||
}
|
||||
}
|
||||
function isDisabled(node) {
|
||||
return node.disabled || (node.parentNode && isDisabled(node.parentNode));
|
||||
}
|
||||
if (navigator.userAgent.indexOf('Opera') !== -1) {
|
||||
// use browser detection since we cannot feature-check this bug
|
||||
document.addEventListener('click', ignoreIfTargetDisabled, true);
|
||||
}
|
||||
})();
|
||||
|
||||
// Checks if possible to use URL.createObjectURL()
|
||||
// Support: IE
|
||||
(function checkOnBlobSupport() {
|
||||
// sometimes IE loosing the data created with createObjectURL(), see #3977
|
||||
if (navigator.userAgent.indexOf('Trident') >= 0) {
|
||||
PDFJS.disableCreateObjectURL = true;
|
||||
}
|
||||
})();
|
||||
|
||||
// Checks if navigator.language is supported
|
||||
(function checkNavigatorLanguage() {
|
||||
if ('language' in navigator) {
|
||||
return;
|
||||
}
|
||||
PDFJS.locale = navigator.userLanguage || 'en-US';
|
||||
})();
|
||||
|
||||
(function checkRangeRequests() {
|
||||
// Safari has issues with cached range requests see:
|
||||
// https://github.com/mozilla/pdf.js/issues/3260
|
||||
// Last tested with version 6.0.4.
|
||||
// Support: Safari 6.0+
|
||||
var isSafari = Object.prototype.toString.call(
|
||||
window.HTMLElement).indexOf('Constructor') > 0;
|
||||
|
||||
// Older versions of Android (pre 3.0) has issues with range requests, see:
|
||||
// https://github.com/mozilla/pdf.js/issues/3381.
|
||||
// Make sure that we only match webkit-based Android browsers,
|
||||
// since Firefox/Fennec works as expected.
|
||||
// Support: Android<3.0
|
||||
var regex = /Android\s[0-2][^\d]/;
|
||||
var isOldAndroid = regex.test(navigator.userAgent);
|
||||
|
||||
// Range requests are broken in Chrome 39 and 40, https://crbug.com/442318
|
||||
var isChromeWithRangeBug = /Chrome\/(39|40)\./.test(navigator.userAgent);
|
||||
|
||||
if (isSafari || isOldAndroid || isChromeWithRangeBug) {
|
||||
PDFJS.disableRange = true;
|
||||
PDFJS.disableStream = true;
|
||||
}
|
||||
})();
|
||||
|
||||
// Check if the browser supports manipulation of the history.
|
||||
// Support: IE<10, Android<4.2
|
||||
(function checkHistoryManipulation() {
|
||||
// Android 2.x has so buggy pushState support that it was removed in
|
||||
// Android 3.0 and restored as late as in Android 4.2.
|
||||
// Support: Android 2.x
|
||||
if (!history.pushState || navigator.userAgent.indexOf('Android 2.') >= 0) {
|
||||
PDFJS.disableHistory = true;
|
||||
}
|
||||
})();
|
||||
|
||||
// Support: IE<11, Chrome<21, Android<4.4, Safari<6
|
||||
(function checkSetPresenceInImageData() {
|
||||
// IE < 11 will use window.CanvasPixelArray which lacks set function.
|
||||
if (window.CanvasPixelArray) {
|
||||
if (typeof window.CanvasPixelArray.prototype.set !== 'function') {
|
||||
window.CanvasPixelArray.prototype.set = function(arr) {
|
||||
for (var i = 0, ii = this.length; i < ii; i++) {
|
||||
this[i] = arr[i];
|
||||
}
|
||||
};
|
||||
}
|
||||
} else {
|
||||
// Old Chrome and Android use an inaccessible CanvasPixelArray prototype.
|
||||
// Because we cannot feature detect it, we rely on user agent parsing.
|
||||
var polyfill = false, versionMatch;
|
||||
if (navigator.userAgent.indexOf('Chrom') >= 0) {
|
||||
versionMatch = navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./);
|
||||
// Chrome < 21 lacks the set function.
|
||||
polyfill = versionMatch && parseInt(versionMatch[2]) < 21;
|
||||
} else if (navigator.userAgent.indexOf('Android') >= 0) {
|
||||
// Android < 4.4 lacks the set function.
|
||||
// Android >= 4.4 will contain Chrome in the user agent,
|
||||
// thus pass the Chrome check above and not reach this block.
|
||||
polyfill = /Android\s[0-4][^\d]/g.test(navigator.userAgent);
|
||||
} else if (navigator.userAgent.indexOf('Safari') >= 0) {
|
||||
versionMatch = navigator.userAgent.
|
||||
match(/Version\/([0-9]+)\.([0-9]+)\.([0-9]+) Safari\//);
|
||||
// Safari < 6 lacks the set function.
|
||||
polyfill = versionMatch && parseInt(versionMatch[1]) < 6;
|
||||
}
|
||||
|
||||
if (polyfill) {
|
||||
var contextPrototype = window.CanvasRenderingContext2D.prototype;
|
||||
var createImageData = contextPrototype.createImageData;
|
||||
contextPrototype.createImageData = function(w, h) {
|
||||
var imageData = createImageData.call(this, w, h);
|
||||
imageData.data.set = function(arr) {
|
||||
for (var i = 0, ii = this.length; i < ii; i++) {
|
||||
this[i] = arr[i];
|
||||
}
|
||||
};
|
||||
return imageData;
|
||||
};
|
||||
// this closure will be kept referenced, so clear its vars
|
||||
contextPrototype = null;
|
||||
}
|
||||
}
|
||||
})();
|
||||
|
||||
// Support: IE<10, Android<4.0, iOS
|
||||
(function checkRequestAnimationFrame() {
|
||||
function fakeRequestAnimationFrame(callback) {
|
||||
window.setTimeout(callback, 20);
|
||||
}
|
||||
|
||||
var isIOS = /(iPad|iPhone|iPod)/g.test(navigator.userAgent);
|
||||
if (isIOS) {
|
||||
// requestAnimationFrame on iOS is broken, replacing with fake one.
|
||||
window.requestAnimationFrame = fakeRequestAnimationFrame;
|
||||
return;
|
||||
}
|
||||
if ('requestAnimationFrame' in window) {
|
||||
return;
|
||||
}
|
||||
window.requestAnimationFrame =
|
||||
window.mozRequestAnimationFrame ||
|
||||
window.webkitRequestAnimationFrame ||
|
||||
fakeRequestAnimationFrame;
|
||||
})();
|
||||
|
||||
(function checkCanvasSizeLimitation() {
|
||||
var isIOS = /(iPad|iPhone|iPod)/g.test(navigator.userAgent);
|
||||
var isAndroid = /Android/g.test(navigator.userAgent);
|
||||
if (isIOS || isAndroid) {
|
||||
// 5MP
|
||||
PDFJS.maxCanvasPixels = 5242880;
|
||||
}
|
||||
})();
|
||||
|
||||
// Disable fullscreen support for certain problematic configurations.
|
||||
// Support: IE11+ (when embedded).
|
||||
(function checkFullscreenSupport() {
|
||||
var isEmbeddedIE = (navigator.userAgent.indexOf('Trident') >= 0 &&
|
||||
window.parent !== window);
|
||||
if (isEmbeddedIE) {
|
||||
PDFJS.disableFullscreen = true;
|
||||
}
|
||||
})();
|
||||
|
||||
// Provides document.currentScript support
|
||||
// Support: IE, Chrome<29.
|
||||
(function checkCurrentScript() {
|
||||
if ('currentScript' in document) {
|
||||
return;
|
||||
}
|
||||
Object.defineProperty(document, 'currentScript', {
|
||||
get: function () {
|
||||
var scripts = document.getElementsByTagName('script');
|
||||
return scripts[scripts.length - 1];
|
||||
},
|
||||
enumerable: true,
|
||||
configurable: true
|
||||
});
|
||||
})();
|
||||
@ -0,0 +1,618 @@
|
||||
/* Copyright 2012 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.
|
||||
*/
|
||||
/* globals PDFJS */
|
||||
|
||||
'use strict';
|
||||
|
||||
var FontInspector = (function FontInspectorClosure() {
|
||||
var fonts;
|
||||
var active = false;
|
||||
var fontAttribute = 'data-font-name';
|
||||
function removeSelection() {
|
||||
var divs = document.querySelectorAll('div[' + fontAttribute + ']');
|
||||
for (var i = 0, ii = divs.length; i < ii; ++i) {
|
||||
var div = divs[i];
|
||||
div.className = '';
|
||||
}
|
||||
}
|
||||
function resetSelection() {
|
||||
var divs = document.querySelectorAll('div[' + fontAttribute + ']');
|
||||
for (var i = 0, ii = divs.length; i < ii; ++i) {
|
||||
var div = divs[i];
|
||||
div.className = 'debuggerHideText';
|
||||
}
|
||||
}
|
||||
function selectFont(fontName, show) {
|
||||
var divs = document.querySelectorAll('div[' + fontAttribute + '=' +
|
||||
fontName + ']');
|
||||
for (var i = 0, ii = divs.length; i < ii; ++i) {
|
||||
var div = divs[i];
|
||||
div.className = show ? 'debuggerShowText' : 'debuggerHideText';
|
||||
}
|
||||
}
|
||||
function textLayerClick(e) {
|
||||
if (!e.target.dataset.fontName ||
|
||||
e.target.tagName.toUpperCase() !== 'DIV') {
|
||||
return;
|
||||
}
|
||||
var fontName = e.target.dataset.fontName;
|
||||
var selects = document.getElementsByTagName('input');
|
||||
for (var i = 0; i < selects.length; ++i) {
|
||||
var select = selects[i];
|
||||
if (select.dataset.fontName !== fontName) {
|
||||
continue;
|
||||
}
|
||||
select.checked = !select.checked;
|
||||
selectFont(fontName, select.checked);
|
||||
select.scrollIntoView();
|
||||
}
|
||||
}
|
||||
return {
|
||||
// Properties/functions needed by PDFBug.
|
||||
id: 'FontInspector',
|
||||
name: 'Font Inspector',
|
||||
panel: null,
|
||||
manager: null,
|
||||
init: function init() {
|
||||
var panel = this.panel;
|
||||
panel.setAttribute('style', 'padding: 5px;');
|
||||
var tmp = document.createElement('button');
|
||||
tmp.addEventListener('click', resetSelection);
|
||||
tmp.textContent = 'Refresh';
|
||||
panel.appendChild(tmp);
|
||||
|
||||
fonts = document.createElement('div');
|
||||
panel.appendChild(fonts);
|
||||
},
|
||||
cleanup: function cleanup() {
|
||||
fonts.textContent = '';
|
||||
},
|
||||
enabled: false,
|
||||
get active() {
|
||||
return active;
|
||||
},
|
||||
set active(value) {
|
||||
active = value;
|
||||
if (active) {
|
||||
document.body.addEventListener('click', textLayerClick, true);
|
||||
resetSelection();
|
||||
} else {
|
||||
document.body.removeEventListener('click', textLayerClick, true);
|
||||
removeSelection();
|
||||
}
|
||||
},
|
||||
// FontInspector specific functions.
|
||||
fontAdded: function fontAdded(fontObj, url) {
|
||||
function properties(obj, list) {
|
||||
var moreInfo = document.createElement('table');
|
||||
for (var i = 0; i < list.length; i++) {
|
||||
var tr = document.createElement('tr');
|
||||
var td1 = document.createElement('td');
|
||||
td1.textContent = list[i];
|
||||
tr.appendChild(td1);
|
||||
var td2 = document.createElement('td');
|
||||
td2.textContent = obj[list[i]].toString();
|
||||
tr.appendChild(td2);
|
||||
moreInfo.appendChild(tr);
|
||||
}
|
||||
return moreInfo;
|
||||
}
|
||||
var moreInfo = properties(fontObj, ['name', 'type']);
|
||||
var fontName = fontObj.loadedName;
|
||||
var font = document.createElement('div');
|
||||
var name = document.createElement('span');
|
||||
name.textContent = fontName;
|
||||
var download = document.createElement('a');
|
||||
if (url) {
|
||||
url = /url\(['"]?([^\)"']+)/.exec(url);
|
||||
download.href = url[1];
|
||||
} else if (fontObj.data) {
|
||||
url = URL.createObjectURL(new Blob([fontObj.data], {
|
||||
type: fontObj.mimeType
|
||||
}));
|
||||
download.href = url;
|
||||
}
|
||||
download.textContent = 'Download';
|
||||
var logIt = document.createElement('a');
|
||||
logIt.href = '';
|
||||
logIt.textContent = 'Log';
|
||||
logIt.addEventListener('click', function(event) {
|
||||
event.preventDefault();
|
||||
console.log(fontObj);
|
||||
});
|
||||
var select = document.createElement('input');
|
||||
select.setAttribute('type', 'checkbox');
|
||||
select.dataset.fontName = fontName;
|
||||
select.addEventListener('click', (function(select, fontName) {
|
||||
return (function() {
|
||||
selectFont(fontName, select.checked);
|
||||
});
|
||||
})(select, fontName));
|
||||
font.appendChild(select);
|
||||
font.appendChild(name);
|
||||
font.appendChild(document.createTextNode(' '));
|
||||
font.appendChild(download);
|
||||
font.appendChild(document.createTextNode(' '));
|
||||
font.appendChild(logIt);
|
||||
font.appendChild(moreInfo);
|
||||
fonts.appendChild(font);
|
||||
// Somewhat of a hack, should probably add a hook for when the text layer
|
||||
// is done rendering.
|
||||
setTimeout(function() {
|
||||
if (this.active) {
|
||||
resetSelection();
|
||||
}
|
||||
}.bind(this), 2000);
|
||||
}
|
||||
};
|
||||
})();
|
||||
|
||||
// Manages all the page steppers.
|
||||
var StepperManager = (function StepperManagerClosure() {
|
||||
var steppers = [];
|
||||
var stepperDiv = null;
|
||||
var stepperControls = null;
|
||||
var stepperChooser = null;
|
||||
var breakPoints = {};
|
||||
return {
|
||||
// Properties/functions needed by PDFBug.
|
||||
id: 'Stepper',
|
||||
name: 'Stepper',
|
||||
panel: null,
|
||||
manager: null,
|
||||
init: function init() {
|
||||
var self = this;
|
||||
this.panel.setAttribute('style', 'padding: 5px;');
|
||||
stepperControls = document.createElement('div');
|
||||
stepperChooser = document.createElement('select');
|
||||
stepperChooser.addEventListener('change', function(event) {
|
||||
self.selectStepper(this.value);
|
||||
});
|
||||
stepperControls.appendChild(stepperChooser);
|
||||
stepperDiv = document.createElement('div');
|
||||
this.panel.appendChild(stepperControls);
|
||||
this.panel.appendChild(stepperDiv);
|
||||
if (sessionStorage.getItem('pdfjsBreakPoints')) {
|
||||
breakPoints = JSON.parse(sessionStorage.getItem('pdfjsBreakPoints'));
|
||||
}
|
||||
},
|
||||
cleanup: function cleanup() {
|
||||
stepperChooser.textContent = '';
|
||||
stepperDiv.textContent = '';
|
||||
steppers = [];
|
||||
},
|
||||
enabled: false,
|
||||
active: false,
|
||||
// Stepper specific functions.
|
||||
create: function create(pageIndex) {
|
||||
var debug = document.createElement('div');
|
||||
debug.id = 'stepper' + pageIndex;
|
||||
debug.setAttribute('hidden', true);
|
||||
debug.className = 'stepper';
|
||||
stepperDiv.appendChild(debug);
|
||||
var b = document.createElement('option');
|
||||
b.textContent = 'Page ' + (pageIndex + 1);
|
||||
b.value = pageIndex;
|
||||
stepperChooser.appendChild(b);
|
||||
var initBreakPoints = breakPoints[pageIndex] || [];
|
||||
var stepper = new Stepper(debug, pageIndex, initBreakPoints);
|
||||
steppers.push(stepper);
|
||||
if (steppers.length === 1) {
|
||||
this.selectStepper(pageIndex, false);
|
||||
}
|
||||
return stepper;
|
||||
},
|
||||
selectStepper: function selectStepper(pageIndex, selectPanel) {
|
||||
var i;
|
||||
pageIndex = pageIndex | 0;
|
||||
if (selectPanel) {
|
||||
this.manager.selectPanel(this);
|
||||
}
|
||||
for (i = 0; i < steppers.length; ++i) {
|
||||
var stepper = steppers[i];
|
||||
if (stepper.pageIndex === pageIndex) {
|
||||
stepper.panel.removeAttribute('hidden');
|
||||
} else {
|
||||
stepper.panel.setAttribute('hidden', true);
|
||||
}
|
||||
}
|
||||
var options = stepperChooser.options;
|
||||
for (i = 0; i < options.length; ++i) {
|
||||
var option = options[i];
|
||||
option.selected = (option.value | 0) === pageIndex;
|
||||
}
|
||||
},
|
||||
saveBreakPoints: function saveBreakPoints(pageIndex, bps) {
|
||||
breakPoints[pageIndex] = bps;
|
||||
sessionStorage.setItem('pdfjsBreakPoints', JSON.stringify(breakPoints));
|
||||
}
|
||||
};
|
||||
})();
|
||||
|
||||
// The stepper for each page's IRQueue.
|
||||
var Stepper = (function StepperClosure() {
|
||||
// Shorter way to create element and optionally set textContent.
|
||||
function c(tag, textContent) {
|
||||
var d = document.createElement(tag);
|
||||
if (textContent) {
|
||||
d.textContent = textContent;
|
||||
}
|
||||
return d;
|
||||
}
|
||||
|
||||
var opMap = null;
|
||||
|
||||
function simplifyArgs(args) {
|
||||
if (typeof args === 'string') {
|
||||
var MAX_STRING_LENGTH = 75;
|
||||
return args.length <= MAX_STRING_LENGTH ? args :
|
||||
args.substr(0, MAX_STRING_LENGTH) + '...';
|
||||
}
|
||||
if (typeof args !== 'object' || args === null) {
|
||||
return args;
|
||||
}
|
||||
if ('length' in args) { // array
|
||||
var simpleArgs = [], i, ii;
|
||||
var MAX_ITEMS = 10;
|
||||
for (i = 0, ii = Math.min(MAX_ITEMS, args.length); i < ii; i++) {
|
||||
simpleArgs.push(simplifyArgs(args[i]));
|
||||
}
|
||||
if (i < args.length) {
|
||||
simpleArgs.push('...');
|
||||
}
|
||||
return simpleArgs;
|
||||
}
|
||||
var simpleObj = {};
|
||||
for (var key in args) {
|
||||
simpleObj[key] = simplifyArgs(args[key]);
|
||||
}
|
||||
return simpleObj;
|
||||
}
|
||||
|
||||
function Stepper(panel, pageIndex, initialBreakPoints) {
|
||||
this.panel = panel;
|
||||
this.breakPoint = 0;
|
||||
this.nextBreakPoint = null;
|
||||
this.pageIndex = pageIndex;
|
||||
this.breakPoints = initialBreakPoints;
|
||||
this.currentIdx = -1;
|
||||
this.operatorListIdx = 0;
|
||||
}
|
||||
Stepper.prototype = {
|
||||
init: function init() {
|
||||
var panel = this.panel;
|
||||
var content = c('div', 'c=continue, s=step');
|
||||
var table = c('table');
|
||||
content.appendChild(table);
|
||||
table.cellSpacing = 0;
|
||||
var headerRow = c('tr');
|
||||
table.appendChild(headerRow);
|
||||
headerRow.appendChild(c('th', 'Break'));
|
||||
headerRow.appendChild(c('th', 'Idx'));
|
||||
headerRow.appendChild(c('th', 'fn'));
|
||||
headerRow.appendChild(c('th', 'args'));
|
||||
panel.appendChild(content);
|
||||
this.table = table;
|
||||
if (!opMap) {
|
||||
opMap = Object.create(null);
|
||||
for (var key in PDFJS.OPS) {
|
||||
opMap[PDFJS.OPS[key]] = key;
|
||||
}
|
||||
}
|
||||
},
|
||||
updateOperatorList: function updateOperatorList(operatorList) {
|
||||
var self = this;
|
||||
|
||||
function cboxOnClick() {
|
||||
var x = +this.dataset.idx;
|
||||
if (this.checked) {
|
||||
self.breakPoints.push(x);
|
||||
} else {
|
||||
self.breakPoints.splice(self.breakPoints.indexOf(x), 1);
|
||||
}
|
||||
StepperManager.saveBreakPoints(self.pageIndex, self.breakPoints);
|
||||
}
|
||||
|
||||
var MAX_OPERATORS_COUNT = 15000;
|
||||
if (this.operatorListIdx > MAX_OPERATORS_COUNT) {
|
||||
return;
|
||||
}
|
||||
|
||||
var chunk = document.createDocumentFragment();
|
||||
var operatorsToDisplay = Math.min(MAX_OPERATORS_COUNT,
|
||||
operatorList.fnArray.length);
|
||||
for (var i = this.operatorListIdx; i < operatorsToDisplay; i++) {
|
||||
var line = c('tr');
|
||||
line.className = 'line';
|
||||
line.dataset.idx = i;
|
||||
chunk.appendChild(line);
|
||||
var checked = this.breakPoints.indexOf(i) !== -1;
|
||||
var args = operatorList.argsArray[i] || [];
|
||||
|
||||
var breakCell = c('td');
|
||||
var cbox = c('input');
|
||||
cbox.type = 'checkbox';
|
||||
cbox.className = 'points';
|
||||
cbox.checked = checked;
|
||||
cbox.dataset.idx = i;
|
||||
cbox.onclick = cboxOnClick;
|
||||
|
||||
breakCell.appendChild(cbox);
|
||||
line.appendChild(breakCell);
|
||||
line.appendChild(c('td', i.toString()));
|
||||
var fn = opMap[operatorList.fnArray[i]];
|
||||
var decArgs = args;
|
||||
if (fn === 'showText') {
|
||||
var glyphs = args[0];
|
||||
var newArgs = [];
|
||||
var str = [];
|
||||
for (var j = 0; j < glyphs.length; j++) {
|
||||
var glyph = glyphs[j];
|
||||
if (typeof glyph === 'object' && glyph !== null) {
|
||||
str.push(glyph.fontChar);
|
||||
} else {
|
||||
if (str.length > 0) {
|
||||
newArgs.push(str.join(''));
|
||||
str = [];
|
||||
}
|
||||
newArgs.push(glyph); // null or number
|
||||
}
|
||||
}
|
||||
if (str.length > 0) {
|
||||
newArgs.push(str.join(''));
|
||||
}
|
||||
decArgs = [newArgs];
|
||||
}
|
||||
line.appendChild(c('td', fn));
|
||||
line.appendChild(c('td', JSON.stringify(simplifyArgs(decArgs))));
|
||||
}
|
||||
if (operatorsToDisplay < operatorList.fnArray.length) {
|
||||
line = c('tr');
|
||||
var lastCell = c('td', '...');
|
||||
lastCell.colspan = 4;
|
||||
chunk.appendChild(lastCell);
|
||||
}
|
||||
this.operatorListIdx = operatorList.fnArray.length;
|
||||
this.table.appendChild(chunk);
|
||||
},
|
||||
getNextBreakPoint: function getNextBreakPoint() {
|
||||
this.breakPoints.sort(function(a, b) { return a - b; });
|
||||
for (var i = 0; i < this.breakPoints.length; i++) {
|
||||
if (this.breakPoints[i] > this.currentIdx) {
|
||||
return this.breakPoints[i];
|
||||
}
|
||||
}
|
||||
return null;
|
||||
},
|
||||
breakIt: function breakIt(idx, callback) {
|
||||
StepperManager.selectStepper(this.pageIndex, true);
|
||||
var self = this;
|
||||
var dom = document;
|
||||
self.currentIdx = idx;
|
||||
var listener = function(e) {
|
||||
switch (e.keyCode) {
|
||||
case 83: // step
|
||||
dom.removeEventListener('keydown', listener, false);
|
||||
self.nextBreakPoint = self.currentIdx + 1;
|
||||
self.goTo(-1);
|
||||
callback();
|
||||
break;
|
||||
case 67: // continue
|
||||
dom.removeEventListener('keydown', listener, false);
|
||||
var breakPoint = self.getNextBreakPoint();
|
||||
self.nextBreakPoint = breakPoint;
|
||||
self.goTo(-1);
|
||||
callback();
|
||||
break;
|
||||
}
|
||||
};
|
||||
dom.addEventListener('keydown', listener, false);
|
||||
self.goTo(idx);
|
||||
},
|
||||
goTo: function goTo(idx) {
|
||||
var allRows = this.panel.getElementsByClassName('line');
|
||||
for (var x = 0, xx = allRows.length; x < xx; ++x) {
|
||||
var row = allRows[x];
|
||||
if ((row.dataset.idx | 0) === idx) {
|
||||
row.style.backgroundColor = 'rgb(251,250,207)';
|
||||
row.scrollIntoView();
|
||||
} else {
|
||||
row.style.backgroundColor = null;
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
return Stepper;
|
||||
})();
|
||||
|
||||
var Stats = (function Stats() {
|
||||
var stats = [];
|
||||
function clear(node) {
|
||||
while (node.hasChildNodes()) {
|
||||
node.removeChild(node.lastChild);
|
||||
}
|
||||
}
|
||||
function getStatIndex(pageNumber) {
|
||||
for (var i = 0, ii = stats.length; i < ii; ++i) {
|
||||
if (stats[i].pageNumber === pageNumber) {
|
||||
return i;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
return {
|
||||
// Properties/functions needed by PDFBug.
|
||||
id: 'Stats',
|
||||
name: 'Stats',
|
||||
panel: null,
|
||||
manager: null,
|
||||
init: function init() {
|
||||
this.panel.setAttribute('style', 'padding: 5px;');
|
||||
PDFJS.enableStats = true;
|
||||
},
|
||||
enabled: false,
|
||||
active: false,
|
||||
// Stats specific functions.
|
||||
add: function(pageNumber, stat) {
|
||||
if (!stat) {
|
||||
return;
|
||||
}
|
||||
var statsIndex = getStatIndex(pageNumber);
|
||||
if (statsIndex !== false) {
|
||||
var b = stats[statsIndex];
|
||||
this.panel.removeChild(b.div);
|
||||
stats.splice(statsIndex, 1);
|
||||
}
|
||||
var wrapper = document.createElement('div');
|
||||
wrapper.className = 'stats';
|
||||
var title = document.createElement('div');
|
||||
title.className = 'title';
|
||||
title.textContent = 'Page: ' + pageNumber;
|
||||
var statsDiv = document.createElement('div');
|
||||
statsDiv.textContent = stat.toString();
|
||||
wrapper.appendChild(title);
|
||||
wrapper.appendChild(statsDiv);
|
||||
stats.push({ pageNumber: pageNumber, div: wrapper });
|
||||
stats.sort(function(a, b) { return a.pageNumber - b.pageNumber; });
|
||||
clear(this.panel);
|
||||
for (var i = 0, ii = stats.length; i < ii; ++i) {
|
||||
this.panel.appendChild(stats[i].div);
|
||||
}
|
||||
},
|
||||
cleanup: function () {
|
||||
stats = [];
|
||||
clear(this.panel);
|
||||
}
|
||||
};
|
||||
})();
|
||||
|
||||
// Manages all the debugging tools.
|
||||
var PDFBug = (function PDFBugClosure() {
|
||||
var panelWidth = 300;
|
||||
var buttons = [];
|
||||
var activePanel = null;
|
||||
|
||||
return {
|
||||
tools: [
|
||||
FontInspector,
|
||||
StepperManager,
|
||||
Stats
|
||||
],
|
||||
enable: function(ids) {
|
||||
var all = false, tools = this.tools;
|
||||
if (ids.length === 1 && ids[0] === 'all') {
|
||||
all = true;
|
||||
}
|
||||
for (var i = 0; i < tools.length; ++i) {
|
||||
var tool = tools[i];
|
||||
if (all || ids.indexOf(tool.id) !== -1) {
|
||||
tool.enabled = true;
|
||||
}
|
||||
}
|
||||
if (!all) {
|
||||
// Sort the tools by the order they are enabled.
|
||||
tools.sort(function(a, b) {
|
||||
var indexA = ids.indexOf(a.id);
|
||||
indexA = indexA < 0 ? tools.length : indexA;
|
||||
var indexB = ids.indexOf(b.id);
|
||||
indexB = indexB < 0 ? tools.length : indexB;
|
||||
return indexA - indexB;
|
||||
});
|
||||
}
|
||||
},
|
||||
init: function init() {
|
||||
/*
|
||||
* Basic Layout:
|
||||
* PDFBug
|
||||
* Controls
|
||||
* Panels
|
||||
* Panel
|
||||
* Panel
|
||||
* ...
|
||||
*/
|
||||
var ui = document.createElement('div');
|
||||
ui.id = 'PDFBug';
|
||||
|
||||
var controls = document.createElement('div');
|
||||
controls.setAttribute('class', 'controls');
|
||||
ui.appendChild(controls);
|
||||
|
||||
var panels = document.createElement('div');
|
||||
panels.setAttribute('class', 'panels');
|
||||
ui.appendChild(panels);
|
||||
|
||||
var container = document.getElementById('viewerContainer');
|
||||
container.appendChild(ui);
|
||||
container.style.right = panelWidth + 'px';
|
||||
|
||||
// Initialize all the debugging tools.
|
||||
var tools = this.tools;
|
||||
var self = this;
|
||||
for (var i = 0; i < tools.length; ++i) {
|
||||
var tool = tools[i];
|
||||
var panel = document.createElement('div');
|
||||
var panelButton = document.createElement('button');
|
||||
panelButton.textContent = tool.name;
|
||||
panelButton.addEventListener('click', (function(selected) {
|
||||
return function(event) {
|
||||
event.preventDefault();
|
||||
self.selectPanel(selected);
|
||||
};
|
||||
})(i));
|
||||
controls.appendChild(panelButton);
|
||||
panels.appendChild(panel);
|
||||
tool.panel = panel;
|
||||
tool.manager = this;
|
||||
if (tool.enabled) {
|
||||
tool.init();
|
||||
} else {
|
||||
panel.textContent = tool.name + ' is disabled. To enable add ' +
|
||||
' "' + tool.id + '" to the pdfBug parameter ' +
|
||||
'and refresh (seperate multiple by commas).';
|
||||
}
|
||||
buttons.push(panelButton);
|
||||
}
|
||||
this.selectPanel(0);
|
||||
},
|
||||
cleanup: function cleanup() {
|
||||
for (var i = 0, ii = this.tools.length; i < ii; i++) {
|
||||
if (this.tools[i].enabled) {
|
||||
this.tools[i].cleanup();
|
||||
}
|
||||
}
|
||||
},
|
||||
selectPanel: function selectPanel(index) {
|
||||
if (typeof index !== 'number') {
|
||||
index = this.tools.indexOf(index);
|
||||
}
|
||||
if (index === activePanel) {
|
||||
return;
|
||||
}
|
||||
activePanel = index;
|
||||
var tools = this.tools;
|
||||
for (var j = 0; j < tools.length; ++j) {
|
||||
if (j === index) {
|
||||
buttons[j].setAttribute('class', 'active');
|
||||
tools[j].active = true;
|
||||
tools[j].panel.removeAttribute('hidden');
|
||||
} else {
|
||||
buttons[j].setAttribute('class', '');
|
||||
tools[j].active = false;
|
||||
tools[j].panel.setAttribute('hidden', 'true');
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
})();
|
||||
|
After Width: | Height: | Size: 415 B |
|
After Width: | Height: | Size: 883 B |
