diff --git a/extensions/chromium/preferences_schema.json b/extensions/chromium/preferences_schema.json
index baa3300c4..9bff7d805 100644
--- a/extensions/chromium/preferences_schema.json
+++ b/extensions/chromium/preferences_schema.json
@@ -89,6 +89,10 @@
],
"default": 0
},
+ "disablePageLabels": {
+ "type": "boolean",
+ "default": false
+ },
"disableTelemetry": {
"title": "Disable telemetry",
"type": "boolean",
diff --git a/l10n/en-US/viewer.properties b/l10n/en-US/viewer.properties
index 90c09aa99..2775ae19b 100644
--- a/l10n/en-US/viewer.properties
+++ b/l10n/en-US/viewer.properties
@@ -20,9 +20,13 @@ next_label=Next
# LOCALIZATION NOTE (page.title): The tooltip for the pageNumber input.
page.title=Page
-# LOCALIZATION NOTE (page_of): "{{pageCount}}" will be replaced by a number
+# LOCALIZATION NOTE (of_pages): "{{pagesCount}}" will be replaced by a number
# representing the total number of pages in the document.
-page_of=of {{pageCount}}
+of_pages=of {{pagesCount}}
+# LOCALIZATION NOTE (page_of_pages): "{{pageNumber}}" and "{{pagesCount}}"
+# will be replaced by a number representing the currently visible page,
+# respectively a number representing the total number of pages in the document.
++page_of_pages=({{pageNumber}} of {{pagesCount}})
zoom_out.title=Zoom Out
zoom_out_label=Zoom Out
diff --git a/l10n/sv-SE/viewer.properties b/l10n/sv-SE/viewer.properties
index 514c32d4b..9ada2c333 100644
--- a/l10n/sv-SE/viewer.properties
+++ b/l10n/sv-SE/viewer.properties
@@ -20,9 +20,13 @@ next_label=Nästa
# LOCALIZATION NOTE (page.title): The tooltip for the pageNumber input.
page.title=Sida
-# LOCALIZATION NOTE (page_of): "{{pageCount}}" will be replaced by a number
+# LOCALIZATION NOTE (of_pages): "{{pagesCount}}" will be replaced by a number
# representing the total number of pages in the document.
-page_of=av {{pageCount}}
+of_pages=av {{pagesCount}}
+# LOCALIZATION NOTE (page_of_pages): "{{pageNumber}}" and "{{pagesCount}}"
+# will be replaced by a number representing the currently active visible page,
+# respectively a number representing the total number of pages in the document.
+page_of_pages=({{pageNumber}} av {{pagesCount}})
zoom_out.title=Zooma ut
zoom_out_label=Zooma ut
diff --git a/web/app.js b/web/app.js
index 73cc29911..a2fbfb884 100644
--- a/web/app.js
+++ b/web/app.js
@@ -178,10 +178,12 @@ var PDFViewerApplication = {
preferencePdfBugEnabled: false,
preferenceShowPreviousViewOnLoad: true,
preferenceDefaultZoomValue: '',
+ preferenceDisablePageLabels: false,
isViewerEmbedded: (window.parent !== window),
url: '',
baseUrl: '',
externalServices: DefaultExernalServices,
+ hasPageLabels: false,
// called once when the document is loaded
initialize: function pdfViewInitialize(appConfig) {
@@ -380,6 +382,9 @@ var PDFViewerApplication = {
// before the various viewer components are initialized.
self.pdfViewer.renderInteractiveForms = value;
}),
+ Preferences.get('disablePageLabels').then(function resolved(value) {
+ self.preferenceDisablePageLabels = value;
+ }),
// TODO move more preferences and other async stuff here
]).catch(function (reason) { });
@@ -567,6 +572,7 @@ var PDFViewerApplication = {
}
this.store = null;
this.isInitialViewSet = false;
+ this.hasPageLabels = false;
this.pdfSidebar.reset();
this.pdfOutlineViewer.reset();
@@ -879,7 +885,8 @@ var PDFViewerApplication = {
this.pageRotation = 0;
- this.pdfThumbnailViewer.setDocument(pdfDocument);
+ var pdfThumbnailViewer = this.pdfThumbnailViewer;
+ pdfThumbnailViewer.setDocument(pdfDocument);
firstPagePromise.then(function(pdfPage) {
downloadedPromise.then(function () {
@@ -959,6 +966,33 @@ var PDFViewerApplication = {
});
});
+ pdfDocument.getPageLabels().then(function (labels) {
+ if (!labels || self.preferenceDisablePageLabels) {
+ return;
+ }
+ var i = 0, numLabels = labels.length;
+ if (numLabels !== self.pagesCount) {
+ console.error('The number of Page Labels does not match ' +
+ 'the number of pages in the document.');
+ return;
+ }
+ // Ignore page labels that correspond to standard page numbering.
+ while (i < numLabels && labels[i] === (i + 1).toString()) {
+ i++;
+ }
+ if (i === numLabels) {
+ return;
+ }
+
+ pdfViewer.setPageLabels(labels);
+ pdfThumbnailViewer.setPageLabels(labels);
+
+ self.hasPageLabels = true;
+ self._updateUIToolbar({
+ resetNumPages: true,
+ });
+ });
+
pagesPromise.then(function() {
if (self.supportsPrinting) {
pdfDocument.getJavaScript().then(function(javaScript) {
@@ -1186,6 +1220,7 @@ var PDFViewerApplication = {
/**
* @typedef UpdateUIToolbarParameters
* @property {number} pageNumber
+ * @property {string} pageLabel
* @property {string} scaleValue
* @property {number} scale
* @property {boolean} resetNumPages
@@ -1226,11 +1261,25 @@ var PDFViewerApplication = {
var pagesCount = this.pagesCount;
if (resetNumPages) {
- toolbarConfig.numPages.textContent =
- mozL10n.get('page_of', { pageCount: pagesCount }, 'of {{pageCount}}');
+ if (this.hasPageLabels) {
+ toolbarConfig.pageNumber.type = 'text';
+ } else {
+ toolbarConfig.pageNumber.type = 'number';
+ toolbarConfig.numPages.textContent = mozL10n.get('of_pages',
+ { pagesCount: pagesCount }, 'of {{pagesCount}}');
+ }
toolbarConfig.pageNumber.max = pagesCount;
}
- toolbarConfig.pageNumber.value = pageNumber;
+
+ if (this.hasPageLabels) {
+ toolbarConfig.pageNumber.value = params.pageLabel ||
+ this.pdfViewer.currentPageLabel;
+ toolbarConfig.numPages.textContent = mozL10n.get('page_of_pages',
+ { pageNumber: pageNumber, pagesCount: pagesCount },
+ '({{pageNumber}} of {{pagesCount}})');
+ } else {
+ toolbarConfig.pageNumber.value = pageNumber;
+ }
toolbarConfig.previous.disabled = (pageNumber <= 1);
toolbarConfig.next.disabled = (pageNumber >= pagesCount);
@@ -1495,11 +1544,13 @@ function webViewerInitialized() {
});
appConfig.toolbar.pageNumber.addEventListener('change', function() {
- PDFViewerApplication.page = (this.value | 0);
+ var pdfViewer = PDFViewerApplication.pdfViewer;
+ pdfViewer.currentPageLabel = this.value;
// Ensure that the page number input displays the correct value, even if the
// value entered by the user was invalid (e.g. a floating point number).
- if (this.value !== PDFViewerApplication.page.toString()) {
+ if (this.value !== pdfViewer.currentPageNumber.toString() &&
+ this.value !== pdfViewer.currentPageLabel) {
PDFViewerApplication._updateUIToolbar({});
}
});
@@ -1930,6 +1981,7 @@ function webViewerPageChanging(e) {
PDFViewerApplication._updateUIToolbar({
pageNumber: page,
+ pageLabel: e.pageLabel,
});
if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
diff --git a/web/default_preferences.json b/web/default_preferences.json
index 242c30b12..15371f6b3 100644
--- a/web/default_preferences.json
+++ b/web/default_preferences.json
@@ -13,5 +13,6 @@
"useOnlyCssZoom": false,
"externalLinkTarget": 0,
"enhanceTextSelection": false,
- "renderInteractiveForms": false
+ "renderInteractiveForms": false,
+ "disablePageLabels": false
}
diff --git a/web/pdf_thumbnail_viewer.js b/web/pdf_thumbnail_viewer.js
index aa4181195..8a9dcc663 100644
--- a/web/pdf_thumbnail_viewer.js
+++ b/web/pdf_thumbnail_viewer.js
@@ -133,6 +133,7 @@ var PDFThumbnailViewer = (function PDFThumbnailViewerClosure() {
*/
_resetView: function PDFThumbnailViewer_resetView() {
this.thumbnails = [];
+ this._pageLabels = null;
this._pagesRotation = 0;
this._pagesRequests = [];
@@ -179,6 +180,24 @@ var PDFThumbnailViewer = (function PDFThumbnailViewerClosure() {
}
},
+ /**
+ * @param {Array|null} labels
+ */
+ setPageLabels: function PDFThumbnailViewer_setPageLabels(labels) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ if (!labels) {
+ this._pageLabels = null;
+ } else if (!(labels instanceof Array &&
+ this.pdfDocument.numPages === labels.length)) {
+ this._pageLabels = null;
+ console.error('PDFThumbnailViewer_setPageLabels: Invalid page labels.');
+ } else {
+ this._pageLabels = labels;
+ }
+ },
+
/**
* @param {PDFThumbnailView} thumbView
* @returns {PDFPage}
diff --git a/web/pdf_viewer.js b/web/pdf_viewer.js
index 16c3198b7..5f7b97c13 100644
--- a/web/pdf_viewer.js
+++ b/web/pdf_viewer.js
@@ -211,6 +211,7 @@ var PDFViewer = (function pdfViewer() {
var arg = {
source: this,
pageNumber: val,
+ pageLabel: this._pageLabels && this._pageLabels[val - 1],
};
this._currentPageNumber = val;
this.eventBus.dispatch('pagechanging', arg);
@@ -221,6 +222,28 @@ var PDFViewer = (function pdfViewer() {
}
},
+ /**
+ * @returns {string|null} Returns the current page label,
+ * or `null` if no page labels exist.
+ */
+ get currentPageLabel() {
+ return this._pageLabels && this._pageLabels[this._currentPageNumber - 1];
+ },
+
+ /**
+ * @param {string} val - The page label.
+ */
+ set currentPageLabel(val) {
+ var pageNumber = val | 0; // Fallback page number.
+ if (this._pageLabels) {
+ var i = this._pageLabels.indexOf(val);
+ if (i >= 0) {
+ pageNumber = i + 1;
+ }
+ }
+ this.currentPageNumber = pageNumber;
+ },
+
/**
* @returns {number}
*/
@@ -414,11 +437,30 @@ var PDFViewer = (function pdfViewer() {
}.bind(this));
},
+ /**
+ * @param {Array|null} labels
+ */
+ setPageLabels: function PDFViewer_setPageLabels(labels) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ if (!labels) {
+ this._pageLabels = null;
+ } else if (!(labels instanceof Array &&
+ this.pdfDocument.numPages === labels.length)) {
+ this._pageLabels = null;
+ console.error('PDFViewer_setPageLabels: Invalid page labels.');
+ } else {
+ this._pageLabels = labels;
+ }
+ },
+
_resetView: function () {
this._pages = [];
this._currentPageNumber = 1;
this._currentScale = UNKNOWN_SCALE;
this._currentScaleValue = null;
+ this._pageLabels = null;
this._buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);
this._location = null;
this._pagesRotation = 0;