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Marks some private methods in PDFViewer and PDFThumbnailViewer

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Conflicts:
	web/pdf_viewer.js
This commit is contained in:
Yury Delendik 2014-09-20 12:15:18 -05:00
parent a1eca2084d
commit 3773972dce
4 changed files with 148 additions and 72 deletions
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147
web/pdf_viewer.js
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@ -53,7 +53,7 @@ var PDFViewer = (function pdfViewer() {
this.lastScroll = 0;
this.updateInProgress = false;
this.presentationModeState = PresentationModeState.UNKNOWN;
this.resetView();
this._resetView();
}
PDFViewer.prototype = {
@ -65,28 +65,102 @@ var PDFViewer = (function pdfViewer() {
return this.pages[index];
},
setCurrentPageNumber: function (val) {
get currentPageNumber() {
return this._currentPageNumber;
},
set currentPageNumber(val) {
if (!this.pdfDocument) {
this._currentPageNumber = val;
return;
}
var event = document.createEvent('UIEvents');
event.initUIEvent('pagechange', true, true, window, 0);
event.updateInProgress = this.updateInProgress;
if (!(0 < val && val <= this.pagesCount)) {
this.previousPageNumber = val;
event.pageNumber = this.page;
event.previousPageNumber = val;
this.container.dispatchEvent(event);
return;
}
this.pages[val - 1].updateStats();
this.previousPageNumber = this.currentPageNumber;
this.currentPageNumber = val;
event.previousPageNumber = this._currentPageNumber;
this._currentPageNumber = val;
event.pageNumber = val;
this.container.dispatchEvent(event);
},
/**
* @returns {number}
*/
get currentScale() {
return this._currentScale;
},
/**
* @param {number} val - Scale of the pages in percents.
*/
set currentScale(val) {
if (isNaN(val)) {
throw new Error('Invalid numeric scale');
}
if (!this.pdfDocument) {
this._currentScale = val;
this._currentScaleValue = val.toString();
return;
}
this._setScale(val, false);
},
/**
* @returns {string}
*/
get currentScaleValue() {
return this._currentScaleValue;
},
/**
* @param val - The scale of the pages (in percent or predefined value).
*/
set currentScaleValue(val) {
if (!this.pdfDocument) {
this._currentScale = isNaN(val) ? UNKNOWN_SCALE : val;
this._currentScaleValue = val;
return;
}
this._setScale(val, false);
},
/**
* @returns {number}
*/
get pagesRotation() {
return this._pagesRotation;
},
/**
* @param {number} rotation - The rotation of the pages (0, 90, 180, 270).
*/
set pagesRotation(rotation) {
this._pagesRotation = rotation;
for (var i = 0, l = this.pages.length; i < l; i++) {
var page = this.pages[i];
page.update(page.scale, rotation);
}
this._setScale(this._currentScaleValue, true);
},
/**
* @param pdfDocument {PDFDocument}
*/
setDocument: function (pdfDocument) {
if (this.pdfDocument) {
this.resetView();
this._resetView();
}
this.pdfDocument = pdfDocument;
@ -139,7 +213,7 @@ var PDFViewer = (function pdfViewer() {
// Fetch a single page so we can get a viewport that will be the default
// viewport for all pages
return firstPagePromise.then(function(pdfPage) {
var scale = this.currentScale || 1.0;
var scale = this._currentScale || 1.0;
var viewport = pdfPage.getViewport(scale * CSS_UNITS);
for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
var pageSource = new PDFPageSource(pdfDocument, pageNum);
@ -183,14 +257,14 @@ var PDFViewer = (function pdfViewer() {
}.bind(this));
},
resetView: function () {
_resetView: function () {
this.cache = new Cache(DEFAULT_CACHE_SIZE);
this.pages = [];
this.currentPageNumber = 1;
this.previousPageNumber = 1;
this.currentScale = UNKNOWN_SCALE;
this.currentScaleValue = null;
this._currentPageNumber = 1;
this._currentScale = UNKNOWN_SCALE;
this._currentScaleValue = null;
this.location = null;
this._pagesRotation = 0;
var container = this.viewer;
while (container.hasChildNodes()) {
@ -208,18 +282,18 @@ var PDFViewer = (function pdfViewer() {
},
_setScaleUpdatePages: function pdfViewer_setScaleUpdatePages(
newScale, newValue, resetAutoSettings, noScroll, preset) {
this.currentScaleValue = newValue;
if (newScale === this.currentScale) {
newScale, newValue, noScroll, preset) {
this._currentScaleValue = newValue;
if (newScale === this._currentScale) {
return;
}
for (var i = 0, ii = this.pages.length; i < ii; i++) {
this.pages[i].update(newScale);
}
this.currentScale = newScale;
this._currentScale = newScale;
if (!noScroll) {
var page = this.currentPageNumber, dest;
var page = this._currentPageNumber, dest;
var inPresentationMode =
this.presentationModeState === PresentationModeState.CHANGING ||
this.presentationModeState === PresentationModeState.FULLSCREEN;
@ -235,23 +309,22 @@ var PDFViewer = (function pdfViewer() {
var event = document.createEvent('UIEvents');
event.initUIEvent('scalechange', true, true, window, 0);
event.scale = newScale;
event.resetAutoSettings = resetAutoSettings;
if (preset) {
event.presetValue = newValue;
}
this.container.dispatchEvent(event);
},
setScale: function pdfViewer_setScale(value, resetAutoSettings, noScroll) {
_setScale: function pdfViewer_setScale(value, noScroll) {
if (value === 'custom') {
return;
}
var scale = parseFloat(value);
if (scale > 0) {
this._setScaleUpdatePages(scale, value, true, noScroll, false);
this._setScaleUpdatePages(scale, value, noScroll, false);
} else {
var currentPage = this.pages[this.currentPageNumber - 1];
var currentPage = this.pages[this._currentPageNumber - 1];
if (!currentPage) {
return;
}
@ -287,23 +360,13 @@ var PDFViewer = (function pdfViewer() {
'\' is an unknown zoom value.');
return;
}
this._setScaleUpdatePages(scale, value, resetAutoSettings, noScroll,
true);
this._setScaleUpdatePages(scale, value, noScroll, true);
}
},
updateRotation: function pdfViewRotatePages(rotation) {
for (var i = 0, l = this.pages.length; i < l; i++) {
var page = this.pages[i];
page.update(page.scale, rotation);
}
this.setScale(this.currentScaleValue, true, true);
},
updateLocation: function (firstPage) {
var currentScale = this.currentScale;
var currentScaleValue = this.currentScaleValue;
_updateLocation: function (firstPage) {
var currentScale = this._currentScale;
var currentScaleValue = this._currentScaleValue;
var normalizedScaleValue =
parseFloat(currentScaleValue) === currentScale ?
Math.round(currentScale * 10000) / 100 : currentScaleValue;
@ -330,7 +393,7 @@ var PDFViewer = (function pdfViewer() {
},
update: function () {
var visible = this.getVisiblePages();
var visible = this._getVisiblePages();
var visiblePages = visible.views;
if (visiblePages.length === 0) {
return;
@ -354,7 +417,7 @@ var PDFViewer = (function pdfViewer() {
if (page.percent < 100) {
break;
}
if (page.id === this.currentPageNumber) {
if (page.id === currentId) {
stillFullyVisible = true;
break;
}
@ -365,10 +428,10 @@ var PDFViewer = (function pdfViewer() {
}
if (this.presentationModeState !== PresentationModeState.FULLSCREEN) {
this.setCurrentPageNumber(currentId);
this.currentPageNumber = currentId;
}
this.updateLocation(firstPage);
this._updateLocation(firstPage);
this.updateInProgress = false;
@ -394,14 +457,14 @@ var PDFViewer = (function pdfViewer() {
false : (this.container.scrollWidth > this.container.clientWidth));
},
getVisiblePages: function () {
_getVisiblePages: function () {
if (this.presentationModeState !== PresentationModeState.FULLSCREEN) {
return getVisibleElements(this.container, this.pages, true);
} else {
// The algorithm in getVisibleElements doesn't work in all browsers and
// configurations when presentation mode is active.
var visible = [];
var currentPage = this.pages[this.currentPageNumber - 1];
var currentPage = this.pages[this._currentPageNumber - 1];
visible.push({ id: currentPage.id, view: currentPage });
return { first: currentPage, last: currentPage, views: visible };
}
@ -417,7 +480,7 @@ var PDFViewer = (function pdfViewer() {
},
forceRendering: function (currentlyVisiblePages) {
var visiblePages = currentlyVisiblePages || this.getVisiblePages();
var visiblePages = currentlyVisiblePages || this._getVisiblePages();
var pageView = this.renderingQueue.getHighestPriority(visiblePages,
this.pages,
this.scroll.down);