PDF.js version 1.9.541 - See mozilla/pdf.js@e6d05be41a3556fbb47118d579f7dcaa630b3600

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.9.537",
+  "version": "1.9.541",
   "main": [
     "build/pdf.js",
     "build/pdf.worker.js"

build/pdf.combined.js

@@ -13443,8 +13443,8 @@ var _UnsupportedManager = function UnsupportedManagerClosure() {
 }();
 var version, build;
 {
-  exports.version = version = '1.9.537';
-  exports.build = build = 'bd3f16bf';
+  exports.version = version = '1.9.541';
+  exports.build = build = 'e6d05be4';
 }
 exports.getDocument = getDocument;
 exports.LoopbackPort = LoopbackPort;
@@ -29207,8 +29207,8 @@ exports.SVGGraphics = SVGGraphics;
 "use strict";
 
 
-var pdfjsVersion = '1.9.537';
-var pdfjsBuild = 'bd3f16bf';
+var pdfjsVersion = '1.9.541';
+var pdfjsBuild = 'e6d05be4';
 var pdfjsSharedUtil = __w_pdfjs_require__(0);
 var pdfjsDisplayGlobal = __w_pdfjs_require__(98);
 var pdfjsDisplayAPI = __w_pdfjs_require__(55);
@@ -35070,8 +35070,8 @@ if (!_global_scope2.default.PDFJS) {
 }
 var PDFJS = _global_scope2.default.PDFJS;
 {
-  PDFJS.version = '1.9.537';
-  PDFJS.build = 'bd3f16bf';
+  PDFJS.version = '1.9.541';
+  PDFJS.build = 'e6d05be4';
 }
 PDFJS.pdfBug = false;
 if (PDFJS.verbosity !== undefined) {

build/pdf.js

@@ -4173,8 +4173,8 @@ var _UnsupportedManager = function UnsupportedManagerClosure() {
 }();
 var version, build;
 {
-  exports.version = version = '1.9.537';
-  exports.build = build = 'bd3f16bf';
+  exports.version = version = '1.9.541';
+  exports.build = build = 'e6d05be4';
 }
 exports.getDocument = getDocument;
 exports.LoopbackPort = LoopbackPort;
@@ -7052,8 +7052,8 @@ exports.SVGGraphics = SVGGraphics;
 "use strict";
 
 
-var pdfjsVersion = '1.9.537';
-var pdfjsBuild = 'bd3f16bf';
+var pdfjsVersion = '1.9.541';
+var pdfjsBuild = 'e6d05be4';
 var pdfjsSharedUtil = __w_pdfjs_require__(0);
 var pdfjsDisplayGlobal = __w_pdfjs_require__(82);
 var pdfjsDisplayAPI = __w_pdfjs_require__(48);
@@ -12915,8 +12915,8 @@ if (!_global_scope2.default.PDFJS) {
 }
 var PDFJS = _global_scope2.default.PDFJS;
 {
-  PDFJS.version = '1.9.537';
-  PDFJS.build = 'bd3f16bf';
+  PDFJS.version = '1.9.541';
+  PDFJS.build = 'e6d05be4';
 }
 PDFJS.pdfBug = false;
 if (PDFJS.verbosity !== undefined) {

build/pdf.worker.js

@@ -24512,8 +24512,8 @@ exports.getUnicodeForGlyph = getUnicodeForGlyph;
 "use strict";
 
 
-var pdfjsVersion = '1.9.537';
-var pdfjsBuild = 'bd3f16bf';
+var pdfjsVersion = '1.9.541';
+var pdfjsBuild = 'e6d05be4';
 var pdfjsCoreWorker = __w_pdfjs_require__(62);
 exports.WorkerMessageHandler = pdfjsCoreWorker.WorkerMessageHandler;
 

lib/display/api.js

@@ -1581,8 +1581,8 @@ var _UnsupportedManager = function UnsupportedManagerClosure() {
 }();
 var version, build;
 {
-  exports.version = version = '1.9.537';
-  exports.build = build = 'bd3f16bf';
+  exports.version = version = '1.9.541';
+  exports.build = build = 'e6d05be4';
 }
 exports.getDocument = getDocument;
 exports.LoopbackPort = LoopbackPort;

lib/display/global.js

@@ -45,8 +45,8 @@ if (!_global_scope2.default.PDFJS) {
 }
 var PDFJS = _global_scope2.default.PDFJS;
 {
-  PDFJS.version = '1.9.537';
-  PDFJS.build = 'bd3f16bf';
+  PDFJS.version = '1.9.541';
+  PDFJS.build = 'e6d05be4';
 }
 PDFJS.pdfBug = false;
 if (PDFJS.verbosity !== undefined) {

lib/pdf.js

@@ -14,8 +14,8 @@
  */
 'use strict';
 
-var pdfjsVersion = '1.9.537';
-var pdfjsBuild = 'bd3f16bf';
+var pdfjsVersion = '1.9.541';
+var pdfjsBuild = 'e6d05be4';
 var pdfjsSharedUtil = require('./shared/util.js');
 var pdfjsDisplayGlobal = require('./display/global.js');
 var pdfjsDisplayAPI = require('./display/api.js');

lib/pdf.worker.js

@@ -14,7 +14,7 @@
  */
 'use strict';
 
-var pdfjsVersion = '1.9.537';
-var pdfjsBuild = 'bd3f16bf';
+var pdfjsVersion = '1.9.541';
+var pdfjsBuild = 'e6d05be4';
 var pdfjsCoreWorker = require('./core/worker.js');
 exports.WorkerMessageHandler = pdfjsCoreWorker.WorkerMessageHandler;

lib/test/unit/ui_utils_spec.js

@@ -193,6 +193,26 @@ describe('ui_utils', function () {
       expect(count).toEqual(2);
     });
   });
+  describe('isValidRotation', function () {
+    it('should reject non-integer angles', function () {
+      expect((0, _ui_utils.isValidRotation)()).toEqual(false);
+      expect((0, _ui_utils.isValidRotation)(null)).toEqual(false);
+      expect((0, _ui_utils.isValidRotation)(NaN)).toEqual(false);
+      expect((0, _ui_utils.isValidRotation)([90])).toEqual(false);
+      expect((0, _ui_utils.isValidRotation)('90')).toEqual(false);
+      expect((0, _ui_utils.isValidRotation)(90.5)).toEqual(false);
+    });
+    it('should reject non-multiple of 90 degree angles', function () {
+      expect((0, _ui_utils.isValidRotation)(45)).toEqual(false);
+      expect((0, _ui_utils.isValidRotation)(-123)).toEqual(false);
+    });
+    it('should accept valid angles', function () {
+      expect((0, _ui_utils.isValidRotation)(0)).toEqual(true);
+      expect((0, _ui_utils.isValidRotation)(90)).toEqual(true);
+      expect((0, _ui_utils.isValidRotation)(-270)).toEqual(true);
+      expect((0, _ui_utils.isValidRotation)(540)).toEqual(true);
+    });
+  });
   describe('waitOnEventOrTimeout', function () {
     var eventBus = void 0;
     beforeAll(function (done) {

lib/web/app.js

@@ -652,6 +652,7 @@ var PDFViewerApplication = {
         _this6.pdfHistory.initialize(id, resetHistory);
         if (_this6.pdfHistory.initialBookmark) {
           _this6.initialBookmark = _this6.pdfHistory.initialBookmark;
+          _this6.initialRotation = _this6.pdfHistory.initialRotation;
         }
       }
       var initialParams = {
@@ -664,6 +665,7 @@ var PDFViewerApplication = {
         zoom: _ui_utils.DEFAULT_SCALE_VALUE,
         scrollLeft: '0',
         scrollTop: '0',
+        rotation: null,
         sidebarView: _pdf_sidebar.SidebarView.NONE
       }).catch(function () {});
       Promise.all([storePromise, pageModePromise]).then(function (_ref2) {
@@ -673,9 +675,11 @@ var PDFViewerApplication = {
             pageMode = _ref3[1];
 
         var hash = _this6.viewerPrefs['defaultZoomValue'] ? 'zoom=' + _this6.viewerPrefs['defaultZoomValue'] : null;
+        var rotation = null;
         var sidebarView = _this6.viewerPrefs['sidebarViewOnLoad'];
         if (values.exists && _this6.viewerPrefs['showPreviousViewOnLoad']) {
           hash = 'page=' + values.page + '&zoom=' + (_this6.viewerPrefs['defaultZoomValue'] || values.zoom) + ',' + values.scrollLeft + ',' + values.scrollTop;
+          rotation = parseInt(values.rotation, 10);
           sidebarView = sidebarView || values.sidebarView | 0;
         }
         if (pageMode && !_this6.viewerPrefs['disablePageMode']) {
@@ -683,15 +687,20 @@ var PDFViewerApplication = {
         }
         return {
           hash: hash,
+          rotation: rotation,
           sidebarView: sidebarView
         };
       }).then(function (_ref4) {
         var hash = _ref4.hash,
+            rotation = _ref4.rotation,
             sidebarView = _ref4.sidebarView;
 
         initialParams.bookmark = _this6.initialBookmark;
         initialParams.hash = hash;
-        _this6.setInitialView(hash, { sidebarView: sidebarView });
+        _this6.setInitialView(hash, {
+          rotation: rotation,
+          sidebarView: sidebarView
+        });
         if (!_this6.isViewerEmbedded) {
           pdfViewer.focus();
         }
@@ -787,15 +796,26 @@ var PDFViewerApplication = {
     });
   },
   setInitialView: function setInitialView(storedHash) {
+    var _this7 = this;
+
     var _ref6 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
+        rotation = _ref6.rotation,
         sidebarView = _ref6.sidebarView;
 
+    var setRotation = function setRotation(angle) {
+      if ((0, _ui_utils.isValidRotation)(angle)) {
+        _this7.pdfViewer.pagesRotation = angle;
+      }
+    };
     this.isInitialViewSet = true;
     this.pdfSidebar.setInitialView(sidebarView);
     if (this.initialBookmark) {
+      setRotation(this.initialRotation);
+      delete this.initialRotation;
       this.pdfLinkService.setHash(this.initialBookmark);
       this.initialBookmark = null;
     } else if (storedHash) {
+      setRotation(rotation);
       this.pdfLinkService.setHash(storedHash);
     }
     this.toolbar.setPageNumber(this.pdfViewer.currentPageNumber, this.pdfViewer.currentPageLabel);
@@ -820,14 +840,14 @@ var PDFViewerApplication = {
     this.pdfRenderingQueue.renderHighestPriority();
   },
   beforePrint: function beforePrint() {
-    var _this7 = this;
+    var _this8 = this;
 
     if (this.printService) {
       return;
     }
     if (!this.supportsPrinting) {
       this.l10n.get('printing_not_supported', null, 'Warning: Printing is not fully supported by ' + 'this browser.').then(function (printMessage) {
-        _this7.error(printMessage);
+        _this8.error(printMessage);
       });
       return;
     }
@@ -856,15 +876,8 @@ var PDFViewerApplication = {
     if (!this.pdfDocument) {
       return;
     }
-    var pdfViewer = this.pdfViewer,
-        pdfThumbnailViewer = this.pdfThumbnailViewer;
-
-    var pageNumber = pdfViewer.currentPageNumber;
-    var newRotation = (pdfViewer.pagesRotation + 360 + delta) % 360;
-    pdfViewer.pagesRotation = newRotation;
-    pdfThumbnailViewer.pagesRotation = newRotation;
-    this.forceRendering();
-    pdfViewer.currentPageNumber = pageNumber;
+    var newRotation = (this.pdfViewer.pagesRotation + 360 + delta) % 360;
+    this.pdfViewer.pagesRotation = newRotation;
   },
   requestPresentationMode: function requestPresentationMode() {
     if (!this.pdfPresentationMode) {
@@ -887,6 +900,7 @@ var PDFViewerApplication = {
     eventBus.on('updateviewarea', webViewerUpdateViewarea);
     eventBus.on('pagechanging', webViewerPageChanging);
     eventBus.on('scalechanging', webViewerScaleChanging);
+    eventBus.on('rotationchanging', webViewerRotationChanging);
     eventBus.on('sidebarviewchanged', webViewerSidebarViewChanged);
     eventBus.on('pagemode', webViewerPageMode);
     eventBus.on('namedaction', webViewerNamedAction);
@@ -955,6 +969,7 @@ var PDFViewerApplication = {
     eventBus.off('updateviewarea', webViewerUpdateViewarea);
     eventBus.off('pagechanging', webViewerPageChanging);
     eventBus.off('scalechanging', webViewerScaleChanging);
+    eventBus.off('rotationchanging', webViewerRotationChanging);
     eventBus.off('sidebarviewchanged', webViewerSidebarViewChanged);
     eventBus.off('pagemode', webViewerPageMode);
     eventBus.off('namedaction', webViewerNamedAction);
@@ -1249,7 +1264,8 @@ function webViewerUpdateViewarea(evt) {
       'page': location.pageNumber,
       'zoom': location.scale,
       'scrollLeft': location.left,
-      'scrollTop': location.top
+      'scrollTop': location.top,
+      'rotation': location.rotation
     }).catch(function () {});
   }
   var href = PDFViewerApplication.pdfLinkService.getAnchorUrl(location.pdfOpenParams);
@@ -1381,6 +1397,11 @@ function webViewerScaleChanging(evt) {
   PDFViewerApplication.toolbar.setPageScale(evt.presetValue, evt.scale);
   PDFViewerApplication.pdfViewer.update();
 }
+function webViewerRotationChanging(evt) {
+  PDFViewerApplication.pdfThumbnailViewer.pagesRotation = evt.pagesRotation;
+  PDFViewerApplication.forceRendering();
+  PDFViewerApplication.pdfViewer.currentPageNumber = evt.pageNumber;
+}
 function webViewerPageChanging(evt) {
   var page = evt.pageNumber;
   PDFViewerApplication.toolbar.setPageNumber(page, evt.pageLabel || null);

lib/web/interfaces.js

@@ -52,6 +52,10 @@ var IPDFLinkService = function () {
     key: 'page',
     get: function get() {},
     set: function set(value) {}
+  }, {
+    key: 'rotation',
+    get: function get() {},
+    set: function set(value) {}
   }]);
 
   return IPDFLinkService;

lib/web/pdf_history.js

@@ -44,7 +44,8 @@ function parseCurrentHash(linkService) {
   }
   return {
     hash: hash,
-    page: page
+    page: page,
+    rotation: linkService.rotation
   };
 }
 
@@ -61,6 +62,7 @@ var PDFHistory = function () {
     this.eventBus = eventBus || (0, _dom_events.getGlobalEventBus)();
     this.initialized = false;
     this.initialBookmark = null;
+    this.initialRotation = null;
     this._boundEvents = Object.create(null);
     this._isViewerInPresentationMode = false;
     this._isPagesLoaded = false;
@@ -89,6 +91,7 @@ var PDFHistory = function () {
       var state = window.history.state;
       this.initialized = true;
       this.initialBookmark = null;
+      this.initialRotation = null;
       this._popStateInProgress = false;
       this._blockHashChange = 0;
       this._currentHash = getCurrentHash();
@@ -99,7 +102,8 @@ var PDFHistory = function () {
       if (!this._isValidState(state) || resetHistory) {
         var _parseCurrentHash = parseCurrentHash(this.linkService),
             hash = _parseCurrentHash.hash,
-            page = _parseCurrentHash.page;
+            page = _parseCurrentHash.page,
+            rotation = _parseCurrentHash.rotation;
 
         if (!hash || reInitialized || resetHistory) {
           this._pushOrReplaceState(null, true);
@@ -107,12 +111,16 @@ var PDFHistory = function () {
         }
         this._pushOrReplaceState({
           hash: hash,
-          page: page
+          page: page,
+          rotation: rotation
         }, true);
         return;
       }
       var destination = state.destination;
       this._updateInternalState(destination, state.uid, true);
+      if (destination.rotation !== undefined) {
+        this.initialRotation = destination.rotation;
+      }
       if (destination.dest) {
         this.initialBookmark = JSON.stringify(destination.dest);
         this._destination.page = null;
@@ -155,7 +163,8 @@ var PDFHistory = function () {
       this._pushOrReplaceState({
         dest: explicitDest,
         hash: hash,
-        page: pageNumber
+        page: pageNumber,
+        rotation: this.linkService.rotation
       }, forceReplace);
       if (!this._popStateInProgress) {
         this._popStateInProgress = true;
@@ -296,7 +305,8 @@ var PDFHistory = function () {
       this._position = {
         hash: this._isViewerInPresentationMode ? 'page=' + location.pageNumber : location.pdfOpenParams.substring(1),
         page: this.linkService.page,
-        first: location.pageNumber
+        first: location.pageNumber,
+        rotation: location.rotation
       };
       if (this._popStateInProgress) {
         return;
@@ -328,11 +338,13 @@ var PDFHistory = function () {
 
         var _parseCurrentHash2 = parseCurrentHash(this.linkService),
             hash = _parseCurrentHash2.hash,
-            page = _parseCurrentHash2.page;
+            page = _parseCurrentHash2.page,
+            rotation = _parseCurrentHash2.rotation;
 
         this._pushOrReplaceState({
           hash: hash,
-          page: page
+          page: page,
+          rotation: rotation
         }, true);
         return;
       }
@@ -352,6 +364,9 @@ var PDFHistory = function () {
       }
       var destination = state.destination;
       this._updateInternalState(destination, state.uid, true);
+      if ((0, _ui_utils.isValidRotation)(destination.rotation)) {
+        this.linkService.rotation = destination.rotation;
+      }
       if (destination.dest) {
         this.linkService.navigateTo(destination.dest);
       } else if (destination.hash) {

lib/web/pdf_link_service.js

@@ -302,6 +302,14 @@ var PDFLinkService = function () {
     set: function set(value) {
       this.pdfViewer.currentPageNumber = value;
     }
+  }, {
+    key: 'rotation',
+    get: function get() {
+      return this.pdfViewer.pagesRotation;
+    },
+    set: function set(value) {
+      this.pdfViewer.pagesRotation = value;
+    }
   }]);
 
   return PDFLinkService;
@@ -399,6 +407,12 @@ var SimpleLinkService = function () {
       return 0;
     },
     set: function set(value) {}
+  }, {
+    key: 'rotation',
+    get: function get() {
+      return 0;
+    },
+    set: function set(value) {}
   }]);
 
   return SimpleLinkService;

lib/web/pdf_thumbnail_viewer.js

@@ -201,12 +201,15 @@ var PDFThumbnailViewer = function () {
       return this._pagesRotation;
     },
     set: function set(rotation) {
-      if (!(typeof rotation === 'number' && rotation % 90 === 0)) {
+      if (!(0, _ui_utils.isValidRotation)(rotation)) {
         throw new Error('Invalid thumbnails rotation angle.');
       }
       if (!this.pdfDocument) {
         return;
       }
+      if (this._pagesRotation === rotation) {
+        return;
+      }
       this._pagesRotation = rotation;
       for (var i = 0, ii = this._thumbnails.length; i < ii; i++) {
         this._thumbnails[i].update(rotation);

lib/web/pdf_viewer.js

@@ -502,6 +502,7 @@ var PDFViewer = function () {
         scale: normalizedScaleValue,
         top: intTop,
         left: intLeft,
+        rotation: this._pagesRotation,
         pdfOpenParams: pdfOpenParams
       };
     }
@@ -764,18 +765,29 @@ var PDFViewer = function () {
       return this._pagesRotation;
     },
     set: function set(rotation) {
-      if (!(typeof rotation === 'number' && rotation % 90 === 0)) {
+      if (!(0, _ui_utils.isValidRotation)(rotation)) {
         throw new Error('Invalid pages rotation angle.');
       }
       if (!this.pdfDocument) {
         return;
       }
+      if (this._pagesRotation === rotation) {
+        return;
+      }
       this._pagesRotation = rotation;
+      var pageNumber = this._currentPageNumber;
       for (var i = 0, ii = this._pages.length; i < ii; i++) {
         var pageView = this._pages[i];
         pageView.update(pageView.scale, rotation);
       }
-      this._setScale(this._currentScaleValue, true);
+      if (this._currentScaleValue) {
+        this._setScale(this._currentScaleValue, true);
+      }
+      this.eventBus.dispatch('rotationchanging', {
+        source: this,
+        pagesRotation: rotation,
+        pageNumber: pageNumber
+      });
       if (this.defaultRenderingQueue) {
         this.update();
       }

lib/web/ui_utils.js

@@ -17,7 +17,7 @@
 Object.defineProperty(exports, "__esModule", {
   value: true
 });
-exports.waitOnEventOrTimeout = exports.WaitOnType = exports.localized = exports.animationStarted = exports.normalizeWheelEventDelta = exports.binarySearchFirstItem = exports.watchScroll = exports.scrollIntoView = exports.getOutputScale = exports.approximateFraction = exports.roundToDivide = exports.getVisibleElements = exports.parseQueryString = exports.noContextMenuHandler = exports.getPDFFileNameFromURL = exports.ProgressBar = exports.EventBus = exports.NullL10n = exports.mozL10n = exports.RendererType = exports.cloneObj = exports.VERTICAL_PADDING = exports.SCROLLBAR_PADDING = exports.MAX_AUTO_SCALE = exports.UNKNOWN_SCALE = exports.MAX_SCALE = exports.MIN_SCALE = exports.DEFAULT_SCALE = exports.DEFAULT_SCALE_VALUE = exports.CSS_UNITS = undefined;
+exports.waitOnEventOrTimeout = exports.WaitOnType = exports.localized = exports.animationStarted = exports.normalizeWheelEventDelta = exports.binarySearchFirstItem = exports.watchScroll = exports.scrollIntoView = exports.getOutputScale = exports.approximateFraction = exports.roundToDivide = exports.getVisibleElements = exports.parseQueryString = exports.noContextMenuHandler = exports.getPDFFileNameFromURL = exports.ProgressBar = exports.EventBus = exports.NullL10n = exports.mozL10n = exports.RendererType = exports.cloneObj = exports.isValidRotation = exports.VERTICAL_PADDING = exports.SCROLLBAR_PADDING = exports.MAX_AUTO_SCALE = exports.UNKNOWN_SCALE = exports.MAX_SCALE = exports.MIN_SCALE = exports.DEFAULT_SCALE = exports.DEFAULT_SCALE_VALUE = exports.CSS_UNITS = undefined;
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
 
@@ -317,6 +317,9 @@ function normalizeWheelEventDelta(evt) {
   }
   return delta;
 }
+function isValidRotation(angle) {
+  return Number.isInteger(angle) && angle % 90 === 0;
+}
 function cloneObj(obj) {
   var result = Object.create(null);
   for (var i in obj) {
@@ -502,6 +505,7 @@ exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
 exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
 exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
 exports.VERTICAL_PADDING = VERTICAL_PADDING;
+exports.isValidRotation = isValidRotation;
 exports.cloneObj = cloneObj;
 exports.RendererType = RendererType;
 exports.mozL10n = mozL10n;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.9.537",
+  "version": "1.9.541",
   "main": "build/pdf.js",
   "description": "Generic build of Mozilla's PDF.js library.",
   "keywords": [

web/pdf_viewer.js

@@ -113,7 +113,7 @@ module.exports = pdfjsLib;
 Object.defineProperty(exports, "__esModule", {
   value: true
 });
-exports.waitOnEventOrTimeout = exports.WaitOnType = exports.localized = exports.animationStarted = exports.normalizeWheelEventDelta = exports.binarySearchFirstItem = exports.watchScroll = exports.scrollIntoView = exports.getOutputScale = exports.approximateFraction = exports.roundToDivide = exports.getVisibleElements = exports.parseQueryString = exports.noContextMenuHandler = exports.getPDFFileNameFromURL = exports.ProgressBar = exports.EventBus = exports.NullL10n = exports.mozL10n = exports.RendererType = exports.cloneObj = exports.VERTICAL_PADDING = exports.SCROLLBAR_PADDING = exports.MAX_AUTO_SCALE = exports.UNKNOWN_SCALE = exports.MAX_SCALE = exports.MIN_SCALE = exports.DEFAULT_SCALE = exports.DEFAULT_SCALE_VALUE = exports.CSS_UNITS = undefined;
+exports.waitOnEventOrTimeout = exports.WaitOnType = exports.localized = exports.animationStarted = exports.normalizeWheelEventDelta = exports.binarySearchFirstItem = exports.watchScroll = exports.scrollIntoView = exports.getOutputScale = exports.approximateFraction = exports.roundToDivide = exports.getVisibleElements = exports.parseQueryString = exports.noContextMenuHandler = exports.getPDFFileNameFromURL = exports.ProgressBar = exports.EventBus = exports.NullL10n = exports.mozL10n = exports.RendererType = exports.cloneObj = exports.isValidRotation = exports.VERTICAL_PADDING = exports.SCROLLBAR_PADDING = exports.MAX_AUTO_SCALE = exports.UNKNOWN_SCALE = exports.MAX_SCALE = exports.MIN_SCALE = exports.DEFAULT_SCALE = exports.DEFAULT_SCALE_VALUE = exports.CSS_UNITS = undefined;
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
 
@@ -413,6 +413,9 @@ function normalizeWheelEventDelta(evt) {
   }
   return delta;
 }
+function isValidRotation(angle) {
+  return Number.isInteger(angle) && angle % 90 === 0;
+}
 function cloneObj(obj) {
   var result = Object.create(null);
   for (var i in obj) {
@@ -598,6 +601,7 @@ exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
 exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
 exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
 exports.VERTICAL_PADDING = VERTICAL_PADDING;
+exports.isValidRotation = isValidRotation;
 exports.cloneObj = cloneObj;
 exports.RendererType = RendererType;
 exports.mozL10n = mozL10n;
@@ -1037,6 +1041,14 @@ var PDFLinkService = function () {
     set: function set(value) {
       this.pdfViewer.currentPageNumber = value;
     }
+  }, {
+    key: 'rotation',
+    get: function get() {
+      return this.pdfViewer.pagesRotation;
+    },
+    set: function set(value) {
+      this.pdfViewer.pagesRotation = value;
+    }
   }]);
 
   return PDFLinkService;
@@ -1134,6 +1146,12 @@ var SimpleLinkService = function () {
       return 0;
     },
     set: function set(value) {}
+  }, {
+    key: 'rotation',
+    get: function get() {
+      return 0;
+    },
+    set: function set(value) {}
   }]);
 
   return SimpleLinkService;
@@ -2794,6 +2812,7 @@ var PDFViewer = function () {
         scale: normalizedScaleValue,
         top: intTop,
         left: intLeft,
+        rotation: this._pagesRotation,
         pdfOpenParams: pdfOpenParams
       };
     }
@@ -3056,18 +3075,29 @@ var PDFViewer = function () {
       return this._pagesRotation;
     },
     set: function set(rotation) {
-      if (!(typeof rotation === 'number' && rotation % 90 === 0)) {
+      if (!(0, _ui_utils.isValidRotation)(rotation)) {
         throw new Error('Invalid pages rotation angle.');
       }
       if (!this.pdfDocument) {
         return;
       }
+      if (this._pagesRotation === rotation) {
+        return;
+      }
       this._pagesRotation = rotation;
+      var pageNumber = this._currentPageNumber;
       for (var i = 0, ii = this._pages.length; i < ii; i++) {
         var pageView = this._pages[i];
         pageView.update(pageView.scale, rotation);
       }
-      this._setScale(this._currentScaleValue, true);
+      if (this._currentScaleValue) {
+        this._setScale(this._currentScaleValue, true);
+      }
+      this.eventBus.dispatch('rotationchanging', {
+        source: this,
+        pagesRotation: rotation,
+        pageNumber: pageNumber
+      });
       if (this.defaultRenderingQueue) {
         this.update();
       }
@@ -3144,7 +3174,8 @@ function parseCurrentHash(linkService) {
   }
   return {
     hash: hash,
-    page: page
+    page: page,
+    rotation: linkService.rotation
   };
 }
 
@@ -3161,6 +3192,7 @@ var PDFHistory = function () {
     this.eventBus = eventBus || (0, _dom_events.getGlobalEventBus)();
     this.initialized = false;
     this.initialBookmark = null;
+    this.initialRotation = null;
     this._boundEvents = Object.create(null);
     this._isViewerInPresentationMode = false;
     this._isPagesLoaded = false;
@@ -3189,6 +3221,7 @@ var PDFHistory = function () {
       var state = window.history.state;
       this.initialized = true;
       this.initialBookmark = null;
+      this.initialRotation = null;
       this._popStateInProgress = false;
       this._blockHashChange = 0;
       this._currentHash = getCurrentHash();
@@ -3199,7 +3232,8 @@ var PDFHistory = function () {
       if (!this._isValidState(state) || resetHistory) {
         var _parseCurrentHash = parseCurrentHash(this.linkService),
             hash = _parseCurrentHash.hash,
-            page = _parseCurrentHash.page;
+            page = _parseCurrentHash.page,
+            rotation = _parseCurrentHash.rotation;
 
         if (!hash || reInitialized || resetHistory) {
           this._pushOrReplaceState(null, true);
@@ -3207,12 +3241,16 @@ var PDFHistory = function () {
         }
         this._pushOrReplaceState({
           hash: hash,
-          page: page
+          page: page,
+          rotation: rotation
         }, true);
         return;
       }
       var destination = state.destination;
       this._updateInternalState(destination, state.uid, true);
+      if (destination.rotation !== undefined) {
+        this.initialRotation = destination.rotation;
+      }
       if (destination.dest) {
         this.initialBookmark = JSON.stringify(destination.dest);
         this._destination.page = null;
@@ -3255,7 +3293,8 @@ var PDFHistory = function () {
       this._pushOrReplaceState({
         dest: explicitDest,
         hash: hash,
-        page: pageNumber
+        page: pageNumber,
+        rotation: this.linkService.rotation
       }, forceReplace);
       if (!this._popStateInProgress) {
         this._popStateInProgress = true;
@@ -3396,7 +3435,8 @@ var PDFHistory = function () {
       this._position = {
         hash: this._isViewerInPresentationMode ? 'page=' + location.pageNumber : location.pdfOpenParams.substring(1),
         page: this.linkService.page,
-        first: location.pageNumber
+        first: location.pageNumber,
+        rotation: location.rotation
       };
       if (this._popStateInProgress) {
         return;
@@ -3428,11 +3468,13 @@ var PDFHistory = function () {
 
         var _parseCurrentHash2 = parseCurrentHash(this.linkService),
             hash = _parseCurrentHash2.hash,
-            page = _parseCurrentHash2.page;
+            page = _parseCurrentHash2.page,
+            rotation = _parseCurrentHash2.rotation;
 
         this._pushOrReplaceState({
           hash: hash,
-          page: page
+          page: page,
+          rotation: rotation
         }, true);
         return;
       }
@@ -3452,6 +3494,9 @@ var PDFHistory = function () {
       }
       var destination = state.destination;
       this._updateInternalState(destination, state.uid, true);
+      if ((0, _ui_utils.isValidRotation)(destination.rotation)) {
+        this.linkService.rotation = destination.rotation;
+      }
       if (destination.dest) {
         this.linkService.navigateTo(destination.dest);
       } else if (destination.hash) {