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Fix coding style in web/text_layer_builder.js

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This commit is contained in:
Jonas Jenwald 2014-03-09 12:30:35 +01:00
parent 9e0ed5ca7e
commit 5dcc92430c
1 changed files with 28 additions and 24 deletions
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48
web/text_layer_builder.js
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@ -41,11 +41,11 @@ var TextLayerBuilder = function textLayerBuilder(options) {
this.viewport = options.viewport; this.viewport = options.viewport;
this.isViewerInPresentationMode = options.isViewerInPresentationMode; this.isViewerInPresentationMode = options.isViewerInPresentationMode;
if(typeof PDFFindController === 'undefined') { if (typeof PDFFindController === 'undefined') {
window.PDFFindController = null; window.PDFFindController = null;
} }
if(typeof this.lastScrollSource === 'undefined') { if (typeof this.lastScrollSource === 'undefined') {
this.lastScrollSource = null; this.lastScrollSource = null;
} }
@ -67,8 +67,9 @@ var TextLayerBuilder = function textLayerBuilder(options) {
// No point in rendering so many divs as it'd make the browser unusable // No point in rendering so many divs as it'd make the browser unusable
// even after the divs are rendered // even after the divs are rendered
var MAX_TEXT_DIVS_TO_RENDER = 100000; var MAX_TEXT_DIVS_TO_RENDER = 100000;
if (textDivs.length > MAX_TEXT_DIVS_TO_RENDER) if (textDivs.length > MAX_TEXT_DIVS_TO_RENDER) {
return; return;
}
for (var i = 0, ii = textDivs.length; i < ii; i++) { for (var i = 0, ii = textDivs.length; i < ii; i++) {
var textDiv = textDivs[i]; var textDiv = textDivs[i];
@ -100,16 +101,17 @@ var TextLayerBuilder = function textLayerBuilder(options) {
// run it right away // run it right away
var RENDER_DELAY = 200; // in ms var RENDER_DELAY = 200; // in ms
var self = this; var self = this;
var lastScroll = this.lastScrollSource === null ? var lastScroll = (this.lastScrollSource === null ?
0 : this.lastScrollSource.lastScroll; 0 : this.lastScrollSource.lastScroll);
if (Date.now() - lastScroll > RENDER_DELAY) { if (Date.now() - lastScroll > RENDER_DELAY) {
// Render right away // Render right away
this.renderLayer(); this.renderLayer();
} else { } else {
// Schedule // Schedule
if (this.renderTimer) if (this.renderTimer) {
clearTimeout(this.renderTimer); clearTimeout(this.renderTimer);
}
this.renderTimer = setTimeout(function() { this.renderTimer = setTimeout(function() {
self.setupRenderLayoutTimer(); self.setupRenderLayoutTimer();
}, RENDER_DELAY); }, RENDER_DELAY);
@ -127,8 +129,8 @@ var TextLayerBuilder = function textLayerBuilder(options) {
textDiv.style.fontSize = fontHeight + 'px'; textDiv.style.fontSize = fontHeight + 'px';
textDiv.style.fontFamily = geom.fontFamily; textDiv.style.fontFamily = geom.fontFamily;
var fontAscent = geom.ascent ? geom.ascent * fontHeight : var fontAscent = (geom.ascent ? geom.ascent * fontHeight :
geom.descent ? (1 + geom.descent) * fontHeight : fontHeight; (geom.descent ? (1 + geom.descent) * fontHeight : fontHeight));
textDiv.style.left = (geom.x + (fontAscent * Math.sin(geom.angle))) + 'px'; textDiv.style.left = (geom.x + (fontAscent * Math.sin(geom.angle))) + 'px';
textDiv.style.top = (geom.y - (fontAscent * Math.cos(geom.angle))) + 'px'; textDiv.style.top = (geom.y - (fontAscent * Math.cos(geom.angle))) + 'px';
@ -140,8 +142,9 @@ var TextLayerBuilder = function textLayerBuilder(options) {
this.insertDivContent = function textLayerUpdateTextContent() { this.insertDivContent = function textLayerUpdateTextContent() {
// Only set the content of the divs once layout has finished, the content // Only set the content of the divs once layout has finished, the content
// for the divs is available and content is not yet set on the divs. // for the divs is available and content is not yet set on the divs.
if (!this.layoutDone || this.divContentDone || !this.textContent) if (!this.layoutDone || this.divContentDone || !this.textContent) {
return; return;
}
this.divContentDone = true; this.divContentDone = true;
@ -180,8 +183,8 @@ var TextLayerBuilder = function textLayerBuilder(options) {
var iIndex = 0; var iIndex = 0;
var bidiTexts = this.textContent; var bidiTexts = this.textContent;
var end = bidiTexts.length - 1; var end = bidiTexts.length - 1;
var queryLen = PDFFindController === null ? var queryLen = (PDFFindController === null ?
0 : PDFFindController.state.query.length; 0 : PDFFindController.state.query.length);
var lastDivIdx = -1; var lastDivIdx = -1;
var pos; var pos;
@ -240,14 +243,14 @@ var TextLayerBuilder = function textLayerBuilder(options) {
var bidiTexts = this.textContent; var bidiTexts = this.textContent;
var textDivs = this.textDivs; var textDivs = this.textDivs;
var prevEnd = null; var prevEnd = null;
var isSelectedPage = PDFFindController === null ? var isSelectedPage = (PDFFindController === null ?
false : (this.pageIdx === PDFFindController.selected.pageIdx); false : (this.pageIdx === PDFFindController.selected.pageIdx));
var selectedMatchIdx = PDFFindController === null ? var selectedMatchIdx = (PDFFindController === null ?
-1 : PDFFindController.selected.matchIdx; -1 : PDFFindController.selected.matchIdx);
var highlightAll = PDFFindController === null ? var highlightAll = (PDFFindController === null ?
false : PDFFindController.state.highlightAll; false : PDFFindController.state.highlightAll);
var infty = { var infty = {
divIdx: -1, divIdx: -1,
@ -346,8 +349,9 @@ var TextLayerBuilder = function textLayerBuilder(options) {
this.updateMatches = function textLayerUpdateMatches() { this.updateMatches = function textLayerUpdateMatches() {
// Only show matches, once all rendering is done. // Only show matches, once all rendering is done.
if (!this.renderingDone) if (!this.renderingDone) {
return; return;
}
// Clear out all matches. // Clear out all matches.
var matches = this.matches; var matches = this.matches;
@ -367,14 +371,14 @@ var TextLayerBuilder = function textLayerBuilder(options) {
clearedUntilDivIdx = match.end.divIdx + 1; clearedUntilDivIdx = match.end.divIdx + 1;
} }
if (PDFFindController === null || !PDFFindController.active) if (PDFFindController === null || !PDFFindController.active) {
return; return;
}
// Convert the matches on the page controller into the match format used // Convert the matches on the page controller into the match format used
// for the textLayer. // for the textLayer.
this.matches = matches = this.matches = matches = (this.convertMatches(PDFFindController === null ?
this.convertMatches(PDFFindController === null ? [] : (PDFFindController.pageMatches[this.pageIdx] || [])));
[] : (PDFFindController.pageMatches[this.pageIdx] || []));
this.renderMatches(this.matches); this.renderMatches(this.matches);
}; };