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Moves pdfDocument.getPage/getTextContent requests out of PDFView

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This commit is contained in:
Yury Delendik 2014-09-15 09:49:24 -05:00
parent 7af8748151
commit 7642c39734
5 changed files with 204 additions and 134 deletions
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25
web/pdf_find_controller.js
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@ -13,10 +13,17 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* globals PDFJS, FindStates, FirefoxCom, Promise */
/* globals PDFJS, FirefoxCom, Promise */
'use strict';
var FindStates = {
FIND_FOUND: 0,
FIND_NOTFOUND: 1,
FIND_WRAPPED: 2,
FIND_PENDING: 3
};
/**
* Provides "search" or "find" functionality for the PDF.
* This object actually performs the search for a given string.
@ -41,7 +48,7 @@ var PDFFindController = (function PDFFindControllerClosure() {
this.state = null;
this.dirtyMatch = false;
this.findTimeout = null;
this.pdfPageSource = options.pdfPageSource || null;
this.pdfViewer = options.pdfViewer || null;
this.integratedFind = options.integratedFind || false;
this.charactersToNormalize = {
'\u2018': '\'', // Left single quotation mark
@ -137,7 +144,7 @@ var PDFFindController = (function PDFFindControllerClosure() {
this.pageContents = [];
var extractTextPromisesResolves = [];
var numPages = this.pdfPageSource.pagesCount;
var numPages = this.pdfViewer.pagesCount;
for (var i = 0; i < numPages; i++) {
this.extractTextPromises.push(new Promise(function (resolve) {
extractTextPromisesResolves.push(resolve);
@ -146,7 +153,7 @@ var PDFFindController = (function PDFFindControllerClosure() {
var self = this;
function extractPageText(pageIndex) {
self.pdfPageSource.getPageView(pageIndex).getTextContent().then(
self.pdfViewer.getPageTextContent(pageIndex).then(
function textContentResolved(textContent) {
var textItems = textContent.items;
var str = [];
@ -159,7 +166,7 @@ var PDFFindController = (function PDFFindControllerClosure() {
self.pageContents.push(str.join(''));
extractTextPromisesResolves[pageIndex](pageIndex);
if ((pageIndex + 1) < self.pdfPageSource.pagesCount) {
if ((pageIndex + 1) < self.pdfViewer.pagesCount) {
extractPageText(pageIndex + 1);
}
}
@ -189,7 +196,7 @@ var PDFFindController = (function PDFFindControllerClosure() {
},
updatePage: function PDFFindController_updatePage(index) {
var page = this.pdfPageSource.getPageView(index);
var page = this.pdfViewer.getPageView(index);
if (this.selected.pageIdx === index) {
// If the page is selected, scroll the page into view, which triggers
@ -205,8 +212,8 @@ var PDFFindController = (function PDFFindControllerClosure() {
nextMatch: function PDFFindController_nextMatch() {
var previous = this.state.findPrevious;
var currentPageIndex = this.pdfPageSource.page - 1;
var numPages = this.pdfPageSource.pagesCount;
var currentPageIndex = this.pdfViewer.currentPageNumber - 1;
var numPages = this.pdfViewer.pagesCount;
this.active = true;
@ -346,7 +353,7 @@ var PDFFindController = (function PDFFindControllerClosure() {
this.updateUIState(state, this.state.findPrevious);
if (this.selected.pageIdx !== -1) {
this.updatePage(this.selected.pageIdx, true);
this.updatePage(this.selected.pageIdx);
}
},