Sakurai/pdf.js
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge remote-tracking branch 'upstream/master'

Browse Source
This commit is contained in:
Xavier Fung 2012-08-28 20:04:26 +08:00
commit ea47a49dd0
6 changed files with 136 additions and 107 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
external/jpgjs/LICENSE vendored
View File

@ -1,24 +1,17 @@
Copyright (C) 2011 by notmasteryet
Copyright (C) 2011 notmasteryet
Contributors: Yury Delendik
Contributors: Yury Delendik <ydelendik@mozilla.com>
Brendan Dahl <bdahl@mozilla.com>
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
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
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
http://www.apache.org/licenses/LICENSE-2.0
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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.

27
external/jpgjs/jpg.js vendored
View File

@ -1,5 +1,20 @@
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- /
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
/*
Copyright 2011 notmasteryet
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.
*/
// - The JPEG specification can be found in the ITU CCITT Recommendation T.81
// (www.w3.org/Graphics/JPEG/itu-t81.pdf)
@ -627,8 +642,9 @@ var JpegImage = (function jpegImage() {
break;
case 0xFFDB: // DQT (Define Quantization Tables)
var quantizationTableCount = Math.floor((readUint16() - 2) / 65);
for (i = 0; i < quantizationTableCount; i++) {
var quantizationTablesLength = readUint16();
var quantizationTablesEnd = quantizationTablesLength + offset - 2;
while (offset < quantizationTablesEnd) {
var quantizationTableSpec = data[offset++];
var tableData = new Int32Array(64);
if ((quantizationTableSpec >> 4) === 0) { // 8 bit values
@ -721,6 +737,13 @@ var JpegImage = (function jpegImage() {
offset += processed;
break;
default:
if (data[offset - 3] == 0xFF &&
data[offset - 2] >= 0xC0 && data[offset - 2] <= 0xFE) {
// could be incorrect encoding -- last 0xFF byte of the previous
// block was eaten by the encoder
offset -= 3;
break;
}
throw "unknown JPEG marker " + fileMarker.toString(16);
}
fileMarker = readUint16();

7
make.js
View File

@ -625,7 +625,7 @@ target.chrome = function() {
// If we're on a Darwin (Mac) OS, then let's check for an .app path
if (process.platform === 'darwin' && executable.indexOf('.app') !== -1) {
executable = executable + '/Contents/MacOS/Google Chrome');
executable = executable + '/Contents/MacOS/Google Chrome';
}
// If the chrome executable doesn't exist
@ -765,7 +765,10 @@ target.lint = function() {
echo();
echo('### Linting JS files (this can take a while!)');
var LINT_FILES = ['src/*.js',
var LINT_FILES = ['make.js',
'external/builder/*.js',
'external/crlfchecker/*.js',
'src/*.js',
'web/*.js',
'test/*.js',
'test/unit/*.js',

108
src/fonts.js
View File

@ -404,28 +404,15 @@ function mapPrivateUseChars(code) {
}
var FontLoader = {
listeningForFontLoad: false,
loadingContext: {
requests: [],
nextRequestId: 0
},
bind: function fontLoaderBind(fonts, callback) {
function checkFontsLoaded() {
for (var i = 0, ii = fonts.length; i < ii; i++) {
var fontObj = fonts[i];
if (fontObj.loading) {
return false;
}
}
document.documentElement.removeEventListener(
'pdfjsFontLoad', checkFontsLoaded, false);
// Use timeout to fix chrome intermittent failures on font loading.
setTimeout(callback, 0);
return true;
}
var rules = [], names = [], fontsToLoad = [];
var fontCreateTimer = 0;
assert(!isWorker, 'bind() shall be called from main thread');
var rules = [], fontsToLoad = [];
for (var i = 0, ii = fonts.length; i < ii; i++) {
var font = fonts[i];
@ -436,8 +423,6 @@ var FontLoader = {
}
font.attached = true;
fontsToLoad.push(font);
var str = '';
var data = font.data;
if (data) {
@ -448,28 +433,51 @@ var FontLoader = {
var rule = font.bindDOM(str);
if (rule) {
rules.push(rule);
names.push(font.loadedName);
fontsToLoad.push(font);
}
}
}
this.listeningForFontLoad = false;
if (!isWorker && rules.length) {
FontLoader.prepareFontLoadEvent(rules, names, fontsToLoad);
}
if (!checkFontsLoaded()) {
document.documentElement.addEventListener(
'pdfjsFontLoad', checkFontsLoaded, false);
var request = FontLoader.queueLoadingCallback(callback);
if (rules.length > 0) {
FontLoader.prepareFontLoadEvent(rules, fontsToLoad, request);
} else {
request.complete();
}
},
queueLoadingCallback: function FontLoader_queueLoadingCallback(callback) {
function LoadLoader_completeRequest() {
assert(!request.end, 'completeRequest() cannot be called twice');
request.end = Date.now();
// sending all completed requests in order how they were queued
while (context.requests.length > 0 && context.requests[0].end) {
var otherRequest = context.requests.shift();
setTimeout(otherRequest.callback, 0);
}
}
var context = FontLoader.loadingContext;
var requestId = 'pdfjs-font-loading-' + (context.nextRequestId++);
var request = {
id: requestId,
complete: LoadLoader_completeRequest,
callback: callback,
started: Date.now()
};
context.requests.push(request);
return request;
},
// Set things up so that at least one pdfjsFontLoad event is
// dispatched when all the @font-face |rules| for |names| have been
// dispatched when all the @font-face |rules| for |fonts| have been
// loaded in a subdocument. It's expected that the load of |rules|
// has already started in this (outer) document, so that they should
// be ordered before the load in the subdocument.
prepareFontLoadEvent: function fontLoaderPrepareFontLoadEvent(rules, names,
fonts) {
prepareFontLoadEvent: function fontLoaderPrepareFontLoadEvent(rules,
fonts,
request) {
/** Hack begin */
// There's no event when a font has finished downloading so the
// following code is a dirty hack to 'guess' when a font is
@ -493,6 +501,20 @@ var FontLoader = {
// The postMessage() hackery was added to work around chrome bug
// 82402.
var requestId = request.id;
// Validate the requestId parameter -- the value used to construct HTML.
if (!/^[\w\-]+$/.test(requestId)) {
error('Invalid request id: ' + requestId);
// Normally the error-function throws. But if a malicious code
// intercepts the function call then the return is needed.
return;
}
var names = [];
for (var i = 0, ii = fonts.length; i < ii; i++)
names.push(fonts[i].loadedName);
// Validate the names parameter -- the values can used to construct HTML.
if (!/^\w+$/.test(names.join(''))) {
error('Invalid font name(s): ' + names.join());
@ -514,22 +536,21 @@ var FontLoader = {
div.innerHTML = html;
document.body.appendChild(div);
if (!this.listeningForFontLoad) {
window.addEventListener(
'message',
function fontLoaderMessage(e) {
var fontNames = JSON.parse(e.data);
if (e.data !== requestId)
return;
for (var i = 0, ii = fonts.length; i < ii; ++i) {
var font = fonts[i];
font.loading = false;
}
var evt = document.createEvent('Events');
evt.initEvent('pdfjsFontLoad', true, false);
document.documentElement.dispatchEvent(evt);
request.complete();
// cleanup
document.body.removeChild(frame);
window.removeEventListener('message', fontLoaderMessage, false);
},
false);
this.listeningForFontLoad = true;
}
// XXX we should have a time-out here too, and maybe fire
// pdfjsFontLoadFailed?
@ -540,13 +561,8 @@ var FontLoader = {
}
src += '</style>';
src += '<script type="application/javascript">';
var fontNamesArray = '';
for (var i = 0, ii = names.length; i < ii; ++i) {
fontNamesArray += '"' + names[i] + '", ';
}
src += ' var fontNames=[' + fontNamesArray + '];\n';
src += ' window.onload = function fontLoaderOnload() {\n';
src += ' parent.postMessage(JSON.stringify(fontNames), "*");\n';
src += ' parent.postMessage("' + requestId + '", "*");\n';
src += ' }';
// Hack so the end script tag isn't counted if this is inline JS.
src += '</scr' + 'ipt></head><body>';

22
web/viewer.css
View File

@ -29,29 +29,17 @@ select {
#viewerContainer:-webkit-full-screen {
top: 0px;
padding-top: 6px;
padding-bottom: 24px;
border-top: 5px solid transparent;
background-color: #404040;
background-image: url(images/texture.png);
width: 100%;
height: 100%;
overflow: auto;
}
:-webkit-full-screen #viewer {
margin: 0pt;
padding: 0pt;
height: 100%;
width: 100%;
overflow: hidden;
}
:-webkit-full-screen .page {
margin: 0px auto;
margin-bottom: 10px;
}
#viewerContainer:-moz-full-screen {
top: 0px;
border-top: 5px solid transparent;
background-color: #404040;
background-image: url(images/texture.png);
width: 100%;
@ -59,6 +47,10 @@ select {
overflow: hidden;
}
:-webkit-full-screen .page:last-child {
margin-bottom: 40px;
}
:-moz-full-screen .page:last-child {
margin-bottom: 40px;
}

26
web/viewer.js
View File

@ -33,6 +33,17 @@ function getFileName(url) {
return url.substring(url.lastIndexOf('/', end) + 1, end);
}
function scrollIntoView(element, spot) {
var parent = element.offsetParent, offsetY = element.offsetTop;
while (parent.clientHeight == parent.scrollHeight) {
offsetY += parent.offsetTop;
parent = parent.offsetParent;
}
if (spot)
offsetY += spot.top;
parent.scrollTop = offsetY;
}
var Cache = function cacheCache(size) {
var data = [];
this.push = function cachePush(view) {
@ -1315,7 +1326,7 @@ var PageView = function pageView(container, pdfPage, id, scale,
this.scrollIntoView = function pageViewScrollIntoView(dest) {
if (!dest) {
div.scrollIntoView(true);
scrollIntoView(div);
return;
}
@ -1374,16 +1385,7 @@ var PageView = function pageView(container, pdfPage, id, scale,
var width = Math.abs(boundingRect[0][0] - boundingRect[1][0]);
var height = Math.abs(boundingRect[0][1] - boundingRect[1][1]);
// using temporary div to scroll it into view
var tempDiv = document.createElement('div');
tempDiv.style.position = 'absolute';
tempDiv.style.left = Math.floor(x) + 'px';
tempDiv.style.top = Math.floor(y) + 'px';
tempDiv.style.width = Math.ceil(width) + 'px';
tempDiv.style.height = Math.ceil(height) + 'px';
div.appendChild(tempDiv);
tempDiv.scrollIntoView(true);
div.removeChild(tempDiv);
scrollIntoView(div, {left: x, top: y, width: width, height: height});
}, 0);
};
@ -2084,7 +2086,7 @@ window.addEventListener('pagechange', function pagechange(evt) {
var last = numVisibleThumbs > 1 ?
visibleThumbs.last.id : first;
if (page <= first || page >= last)
thumbnail.scrollIntoView();
scrollIntoView(thumbnail);
}
}