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Merge pull request #2360 from waddlesplash/refactor

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Refactor constant names in various files
This commit is contained in:
Yury Delendik 2012-11-10 13:33:27 -08:00
commit 621e8e1ea9
4 changed files with 76 additions and 81 deletions
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79
web/viewer.js
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@ -17,18 +17,19 @@
'use strict';
var kDefaultURL = 'compressed.tracemonkey-pldi-09.pdf';
var kDefaultScale = 'auto';
var kDefaultScaleDelta = 1.1;
var kUnknownScale = 0;
var kCacheSize = 20;
var kCssUnits = 96.0 / 72.0;
var kScrollbarPadding = 40;
var kVerticalPadding = 5;
var kMinScale = 0.25;
var kMaxScale = 4.0;
var kImageDirectory = './images/';
var kSettingsMemory = 20;
var DEFAULT_URL = 'compressed.tracemonkey-pldi-09.pdf';
var DEFAULT_SCALE = 'auto';
var DEFAULT_SCALE_DELTA = 1.1;
var UNKNOWN_SCALE = 0;
var CACHE_SIZE = 20;
var CSS_UNITS = 96.0 / 72.0;
var SCROLLBAR_PADDING = 40;
var VERTICAL_PADDING = 5;
var MIN_SCALE = 0.25;
var MAX_SCALE = 4.0;
var IMAGE_DIR = './images/';
var SETTINGS_MEMORY = 20;
var ANNOT_MIN_SIZE = 10;
var RenderingStates = {
INITIAL: 0,
RUNNING: 1,
@ -42,8 +43,6 @@ var FindStates = {
FIND_PENDING: 3
};
var ANNOT_MIN_SIZE = 10;
//#if (FIREFOX || MOZCENTRAL || B2G || GENERIC || CHROME)
//PDFJS.workerSrc = '../build/pdf.js';
//#endif
@ -186,7 +185,7 @@ var Settings = (function SettingsClosure() {
database = JSON.parse(database);
if (!('files' in database))
database.files = [];
if (database.files.length >= kSettingsMemory)
if (database.files.length >= SETTINGS_MEMORY)
database.files.shift();
var index;
for (var i = 0, length = database.files.length; i < length; i++) {
@ -228,7 +227,7 @@ var Settings = (function SettingsClosure() {
return Settings;
})();
var cache = new Cache(kCacheSize);
var cache = new Cache(CACHE_SIZE);
var currentPageNumber = 1;
var PDFFindController = {
@ -676,7 +675,7 @@ var PDFFindBar = {
var PDFView = {
pages: [],
thumbnails: [],
currentScale: kUnknownScale,
currentScale: UNKNOWN_SCALE,
currentScaleValue: null,
initialBookmark: document.location.hash.substring(1),
startedTextExtraction: false,
@ -742,7 +741,7 @@ var PDFView = {
var pages = this.pages;
for (var i = 0; i < pages.length; i++)
pages[i].update(val * kCssUnits);
pages[i].update(val * CSS_UNITS);
if (!noScroll && this.currentScale != val)
this.pages[this.page - 1].scrollIntoView();
@ -772,10 +771,10 @@ var PDFView = {
return;
}
var pageWidthScale = (container.clientWidth - kScrollbarPadding) /
currentPage.width * currentPage.scale / kCssUnits;
var pageHeightScale = (container.clientHeight - kVerticalPadding) /
currentPage.height * currentPage.scale / kCssUnits;
var pageWidthScale = (container.clientWidth - SCROLLBAR_PADDING) /
currentPage.width * currentPage.scale / CSS_UNITS;
var pageHeightScale = (container.clientHeight - VERTICAL_PADDING) /
currentPage.height * currentPage.scale / CSS_UNITS;
switch (value) {
case 'page-actual':
scale = 1;
@ -799,14 +798,14 @@ var PDFView = {
},
zoomIn: function pdfViewZoomIn() {
var newScale = (this.currentScale * kDefaultScaleDelta).toFixed(2);
newScale = Math.min(kMaxScale, newScale);
var newScale = (this.currentScale * DEFAULT_SCALE_DELTA).toFixed(2);
newScale = Math.min(MAX_SCALE, newScale);
this.parseScale(newScale, true);
},
zoomOut: function pdfViewZoomOut() {
var newScale = (this.currentScale / kDefaultScaleDelta).toFixed(2);
newScale = Math.max(kMinScale, newScale);
var newScale = (this.currentScale / DEFAULT_SCALE_DELTA).toFixed(2);
newScale = Math.max(MIN_SCALE, newScale);
this.parseScale(newScale, true);
},
@ -1312,10 +1311,10 @@ var PDFView = {
this.page = 1;
}
if (PDFView.currentScale === kUnknownScale) {
if (PDFView.currentScale === UNKNOWN_SCALE) {
// Scale was not initialized: invalid bookmark or scale was not specified.
// Setting the default one.
this.parseScale(kDefaultScale, true);
this.parseScale(DEFAULT_SCALE, true);
}
},
@ -1837,7 +1836,7 @@ var PageView = function pageView(container, pdfPage, id, scale,
}
var image = createElementWithStyle('img', item, rect);
var iconName = item.name;
image.src = kImageDirectory + 'annotation-' +
image.src = IMAGE_DIR + 'annotation-' +
iconName.toLowerCase() + '.svg';
image.alt = mozL10n.get('text_annotation_type', {type: iconName},
'[{{type}} Annotation]');
@ -1941,10 +1940,10 @@ var PageView = function pageView(container, pdfPage, id, scale,
y = dest[3];
width = dest[4] - x;
height = dest[5] - y;
widthScale = (this.container.clientWidth - kScrollbarPadding) /
width / kCssUnits;
heightScale = (this.container.clientHeight - kScrollbarPadding) /
height / kCssUnits;
widthScale = (this.container.clientWidth - SCROLLBAR_PADDING) /
width / CSS_UNITS;
heightScale = (this.container.clientHeight - SCROLLBAR_PADDING) /
height / CSS_UNITS;
scale = Math.min(widthScale, heightScale);
break;
default:
@ -1953,8 +1952,8 @@ var PageView = function pageView(container, pdfPage, id, scale,
if (scale && scale !== PDFView.currentScale)
PDFView.parseScale(scale, true, true);
else if (PDFView.currentScale === kUnknownScale)
PDFView.parseScale(kDefaultScale, true, true);
else if (PDFView.currentScale === UNKNOWN_SCALE)
PDFView.parseScale(DEFAULT_SCALE, true, true);
var boundingRect = [
this.viewport.convertToViewportPoint(x, y),
@ -2432,9 +2431,9 @@ var TextLayerBuilder = function textLayerBuilder(textLayerDiv, pageIdx) {
this.setupRenderLayoutTimer = function textLayerSetupRenderLayoutTimer() {
// Schedule renderLayout() if user has been scrolling, otherwise
// run it right away
var kRenderDelay = 200; // in ms
var RENDER_DELAY = 200; // in ms
var self = this;
if (Date.now() - PDFView.lastScroll > kRenderDelay) {
if (Date.now() - PDFView.lastScroll > RENDER_DELAY) {
// Render right away
this.renderLayer();
} else {
@ -2443,7 +2442,7 @@ var TextLayerBuilder = function textLayerBuilder(textLayerDiv, pageIdx) {
clearTimeout(this.renderTimer);
this.renderTimer = setTimeout(function() {
self.setupRenderLayoutTimer();
}, kRenderDelay);
}, RENDER_DELAY);
}
};
@ -2693,7 +2692,7 @@ document.addEventListener('DOMContentLoaded', function webViewerLoad(evt) {
var params = PDFView.parseQueryString(document.location.search.substring(1));
//#if !(FIREFOX || MOZCENTRAL)
var file = params.file || kDefaultURL;
var file = params.file || DEFAULT_URL;
//#else
//var file = window.location.toString()
//#endif
@ -3105,7 +3104,7 @@ window.addEventListener('keydown', function keydown(evt) {
handled = true;
break;
case 48: // '0'
PDFView.parseScale(kDefaultScale, true);
PDFView.parseScale(DEFAULT_SCALE, true);
handled = true;
break;
}