Pass in book title and page names to use as title
[bookreader.git] / GnuBook / GnuBook.js
index 960fc7a..1e94b11 100644 (file)
@@ -30,11 +30,6 @@ This file is part of GnuBook.
 //  - getPageURI()
 // You must also add a numLeafs property before calling init().
 
-//XXX
-if (typeof(console) == 'undefined') {
-    console = { log: function(msg) { } };
-}
-
 function GnuBook() {
     this.reduce  = 4;
     this.padding = 10;
@@ -55,6 +50,7 @@ function GnuBook() {
     this.twoPagePopUp = null;
     this.leafEdgeTmp  = null;
     this.embedPopup = null;
+    this.printPopup = null;
     
     this.searchResults = {};
     
@@ -72,6 +68,9 @@ function GnuBook() {
     this.constMode1up = 1;
     this.constMode2up = 2;
     
+    // Zoom levels
+    this.reductionFactors = [0.5, 1, 2, 4, 8, 16];
+
     // Object to hold parameters related to 2up mode
     this.twoPage = {
         coverInternalPadding: 10, // Width of cover
@@ -166,7 +165,8 @@ GnuBook.prototype.init = function() {
     });
     
     $('.GBpagediv1up').bind('mousedown', this, function(e) {
-        //console.log('mousedown!');
+        // $$$ the purpose of this is to disable selection of the image (makes it turn blue)
+        //     but this also interferes with right-click.  See https://bugs.edge.launchpad.net/gnubook/+bug/362626
     });
 
     if (1 == this.mode) {
@@ -190,7 +190,7 @@ GnuBook.prototype.init = function() {
 
 GnuBook.prototype.setupKeyListeners = function() {
     var self = this;
-
+    
     var KEY_PGUP = 33;
     var KEY_PGDOWN = 34;
     var KEY_END = 35;
@@ -203,41 +203,48 @@ GnuBook.prototype.setupKeyListeners = function() {
 
     // We use document here instead of window to avoid a bug in jQuery on IE7
     $(document).keydown(function(e) {
-        
         // Keyboard navigation        
         switch(e.keyCode) {
             case KEY_PGUP:
             case KEY_UP:            
                 // In 1up mode page scrolling is handled by browser
                 if (2 == self.mode) {
+                    e.preventDefault();
                     self.prev();
                 }
                 break;
             case KEY_DOWN:
             case KEY_PGDOWN:
                 if (2 == self.mode) {
+                    e.preventDefault();
                     self.next();
                 }
                 break;
             case KEY_END:
+                e.preventDefault();
                 self.last();
                 break;
             case KEY_HOME:
+                e.preventDefault();
                 self.first();
                 break;
             case KEY_LEFT:
                 if (self.keyboardNavigationIsDisabled(e)) {
+                    e.preventDefault();
                     break;
                 }
                 if (2 == self.mode) {
+                    e.preventDefault();
                     self.left();
                 }
                 break;
             case KEY_RIGHT:
                 if (self.keyboardNavigationIsDisabled(e)) {
+                    e.preventDefault();
                     break;
                 }
                 if (2 == self.mode) {
+                    e.preventDefault();
                     self.right();
                 }
                 break;
@@ -255,12 +262,14 @@ GnuBook.prototype.drawLeafs = function() {
     }
 }
 
-// setDragHandler1up()
+// setDragHandler()
 //______________________________________________________________________________
-GnuBook.prototype.setDragHandler1up = function(div) {
+GnuBook.prototype.setDragHandler = function(div) {
     div.dragging = false;
 
-    $(div).bind('mousedown', function(e) {
+    $(div).unbind('mousedown').bind('mousedown', function(e) {
+        e.preventDefault();
+        
         //console.log('mousedown at ' + e.pageY);
 
         this.dragging = true;
@@ -272,11 +281,12 @@ GnuBook.prototype.setDragHandler1up = function(div) {
         var startTop  = $('#GBcontainer').attr('scrollTop');
         var startLeft =  $('#GBcontainer').attr('scrollLeft');
 
-        return false;
     });
         
-    $(div).bind('mousemove', function(ee) {
-        //console.log('mousemove ' + startY);
+    $(div).unbind('mousemove').bind('mousemove', function(ee) {
+        ee.preventDefault();
+
+        // console.log('mousemove ' + ee.pageX + ',' + ee.pageY);
         
         var offsetX = ee.pageX - this.prevMouseX;
         var offsetY = ee.pageY - this.prevMouseY;
@@ -289,22 +299,125 @@ GnuBook.prototype.setDragHandler1up = function(div) {
         this.prevMouseX = ee.pageX;
         this.prevMouseY = ee.pageY;
         
-        return false;
     });
     
-    $(div).bind('mouseup', function(ee) {
+    $(div).unbind('mouseup').bind('mouseup', function(ee) {
+        ee.preventDefault();
         //console.log('mouseup');
 
         this.dragging = false;
-        return false;
     });
     
-    $(div).bind('mouseleave', function(e) {
+    $(div).unbind('mouseleave').bind('mouseleave', function(e) {
+        e.preventDefault();
+        //console.log('mouseleave');
+
+        this.dragging = false;        
+    });
+    
+    $(div).unbind('mouseenter').bind('mouseenter', function(e) {
+        e.preventDefault();
+        //console.log('mouseenter');
+        
+        this.dragging = false;
+    });
+}
+
+// setDragHandler2UP()
+//______________________________________________________________________________
+GnuBook.prototype.setDragHandler2UP = function(div) {
+    div.dragging = false;
+    
+    $(div).unbind('mousedown').bind('mousedown', function(e) {
+        e.preventDefault();
+        
+        //console.log('mousedown at ' + e.pageY);
+
+        this.dragStart = {x: e.pageX, y: e.pageY };
+        this.mouseDown = true;
+        this.dragging = false; // wait until drag distance
+        this.prevMouseX = e.pageX;
+        this.prevMouseY = e.pageY;
+    
+        var startX    = e.pageX;
+        var startY    = e.pageY;
+        var startTop  = $('#GBcontainer').attr('scrollTop');
+        var startLeft =  $('#GBcontainer').attr('scrollLeft');
+
+    });
+        
+    $(div).unbind('mousemove').bind('mousemove', function(ee) {
+        ee.preventDefault();
+
+        // console.log('mousemove ' + ee.pageX + ',' + ee.pageY);
+        
+        var offsetX = ee.pageX - this.prevMouseX;
+        var offsetY = ee.pageY - this.prevMouseY;
+        
+        var minDragDistance = 5; // $$$ constant
+
+        var distance = Math.max(Math.abs(offsetX), Math.abs(offsetY));
+                
+        if (this.mouseDown && (distance > minDragDistance)) {
+            //console.log('drag start!');
+            
+            this.dragging = true;
+        }
+        
+        if (this.dragging) {        
+            $('#GBcontainer').attr('scrollTop', $('#GBcontainer').attr('scrollTop') - offsetY);
+            $('#GBcontainer').attr('scrollLeft', $('#GBcontainer').attr('scrollLeft') - offsetX);
+            this.prevMouseX = ee.pageX;
+            this.prevMouseY = ee.pageY;
+        }
+        
+        
+    });
+    
+    /*
+    $(div).unbind('mouseup').bind('mouseup', function(ee) {
+        ee.preventDefault();
+        //console.log('mouseup');
+
+        this.dragging = false;
+        this.mouseDown = false;
+    });
+    */
+    
+    
+    $(div).unbind('mouseleave').bind('mouseleave', function(e) {
+        e.preventDefault();
         //console.log('mouseleave');
 
-        //$(this).unbind('mousemove mouseup');
+        this.dragging = false;  
+        this.mouseDown = false;
+    });
+    
+    $(div).unbind('mouseenter').bind('mouseenter', function(e) {
+        e.preventDefault();
+        //console.log('mouseenter');
+        
         this.dragging = false;
+        this.mouseDown = false;
+    });
+}
+
+GnuBook.prototype.setClickHandler2UP = function( element, data, handler) {
+    //console.log('setting handler');
+    //console.log(element.tagName);
+    
+    $(element).unbind('click').bind('click', data, function(e) {
+        e.preventDefault();
         
+        //console.log('click!');
+        
+        if (this.mouseDown && (!this.dragging)) {
+            //console.log('click not dragging!');
+            handler(e);
+        }
+        
+        this.dragging = false;
+        this.mouseDown = false;
     });
 }
 
@@ -389,12 +502,12 @@ GnuBook.prototype.drawLeafsOnePage = function() {
             $(div).css('height', height+'px');
             //$(div).text('loading...');
             
-            this.setDragHandler1up(div);
+            this.setDragHandler(div);
             
             $('#GBpageview').append(div);
 
             var img = document.createElement("img");
-            img.src = this.getPageURI(index);
+            img.src = this.getPageURI(index, this.reduce, 0);
             $(img).css('width', width+'px');
             $(img).css('height', height+'px');
             $(div).append(img);
@@ -434,14 +547,10 @@ GnuBook.prototype.drawLeafsOnePage = function() {
 // drawLeafsTwoPage()
 //______________________________________________________________________________
 GnuBook.prototype.drawLeafsTwoPage = function() {
-    console.log('drawing two leafs!'); // XXX
-    
     var scrollTop = $('#GBtwopageview').attr('scrollTop');
     var scrollBottom = scrollTop + $('#GBtwopageview').height();
     
-    console.log('drawLeafsTwoPage: this.currrentLeafL ' + this.twoPage.currentIndexL); // XXX
-    
-    // XXX we should use calculated values in this.twoPage (recalc if necessary)
+    // $$$ we should use calculated values in this.twoPage (recalc if necessary)
     
     var indexL = this.twoPage.currentIndexL;
     var heightL  = this.getPageHeight(indexL); 
@@ -457,51 +566,52 @@ GnuBook.prototype.drawLeafsTwoPage = function() {
     var top = this.twoPageTop();
     var bookCoverDivLeft = this.twoPage.bookCoverDivLeft;
 
-    // $$$ should get getwidth2up?
-    //var scaledWL = parseInt(this.twoPage.height*widthL/heightL);
-    var scaledWL = this.getPageWidth2UP(indexL);
-    var gutter = this.twoPageGutter();
+    this.twoPage.scaledWL = this.getPageWidth2UP(indexL);
+    this.twoPage.gutter = this.twoPageGutter();
     
     this.prefetchImg(indexL);
     $(this.prefetchedImgs[indexL]).css({
         position: 'absolute',
-        left: gutter-scaledWL+'px',
+        left: this.twoPage.gutter-this.twoPage.scaledWL+'px',
         right: '',
         top:    top+'px',
         backgroundColor: 'rgb(234, 226, 205)',
         height: this.twoPage.height +'px', // $$$ height forced the same for both pages
-        width:  scaledWL + 'px',
+        width:  this.twoPage.scaledWL + 'px',
         borderRight: '1px solid black',
         zIndex: 2
     }).appendTo('#GBtwopageview');
-
-
+    
     var indexR = this.twoPage.currentIndexR;
     var heightR  = this.getPageHeight(indexR); 
     var widthR   = this.getPageWidth(indexR);
 
     // $$$ should use getwidth2up?
     //var scaledWR = this.twoPage.height*widthR/heightR;
-    var scaledWR = this.getPageWidth2UP(indexR);
+    this.twoPage.scaledWR = this.getPageWidth2UP(indexR);
     this.prefetchImg(indexR);
     $(this.prefetchedImgs[indexR]).css({
         position: 'absolute',
-        left:   gutter+'px',
+        left:   this.twoPage.gutter+'px',
         right: '',
         top:    top+'px',
         backgroundColor: 'rgb(234, 226, 205)',
         height: this.twoPage.height + 'px', // $$$ height forced the same for both pages
-        width:  scaledWR + 'px',
+        width:  this.twoPage.scaledWR + 'px',
         borderLeft: '1px solid black',
         zIndex: 2
     }).appendTo('#GBtwopageview');
         
 
     this.displayedIndices = [this.twoPage.currentIndexL, this.twoPage.currentIndexR];
-    this.setClickHandlers();
+    this.setMouseHandlers2UP();
+    this.twoPageSetCursor();
 
     this.updatePageNumBox2UP();
     this.updateToolbarZoom(this.reduce);
+    
+    // this.twoPagePlaceFlipAreas();  // No longer used
+
 }
 
 // updatePageNumBox2UP
@@ -653,30 +763,27 @@ GnuBook.prototype.centerPageView = function() {
 // zoom2up(direction)
 //______________________________________________________________________________
 GnuBook.prototype.zoom2up = function(direction) {
-    // $$$ this is where we can e.g. snap to %2 sizes
-    if (0 == direction) { // autofit mode
-        this.twoPage.autofit = true;;
-    } else if (1 == direction) {
-        if (this.reduce <= 0.5) return;
-        this.reduce*=0.5;           //zoom in
-        this.reduce = this.quantizeReductionFactor(this.reduce);        
-        this.twoPage.autofit = false;
-    } else {
-        if (this.reduce >= 8) return;
-        this.reduce *= 2; // zoom out
-        this.reduce = this.quantizeReductionFactor(this.reduce);
-        this.twoPage.autofit = false;
+
+    // Hard stop autoplay
+    this.stopFlipAnimations();
+    
+    // Get new zoom state    
+    var newZoom = this.twoPageNextReduce(this.reduce, direction);
+    if ((this.reduce == newZoom.reduce) && (this.twoPage.autofit == newZoom.autofit)) {
+        return;
     }
+    this.twoPage.autofit = newZoom.autofit;
+    this.reduce = newZoom.reduce;
 
     // Preserve view center position
     var oldCenter = this.twoPageGetViewCenter();
-    // If there will not be scrollbars (e.g. when zooming out) we center the book
-    // since otherwise the book will be stuck off-center
-    if (this.twoPage.totalWidth < $('#GBcontainer').attr('clientWidth')) {
-        oldCenter.percentageX = 0.5;
-    }
-    if (this.twoPage.totalHeight < $('#GBcontainer').attr('clientHeight')) {
-        oldCenter.percentageY = 0.5;
+    
+    // If zooming in, reload imgs.  DOM elements will be removed by prepareTwoPageView
+    // $$$ An improvement would be to use the low res image until the larger one is loaded.
+    if (1 == direction) {
+        for (var img in this.prefetchedImgs) {
+            delete this.prefetchedImgs[img];
+        }
     }
     
     // Prepare view with new center to minimize visual glitches
@@ -684,24 +791,75 @@ GnuBook.prototype.zoom2up = function(direction) {
 }
 
 
-// quantizeReductionFactor(reduce)
+// quantizeReduce(reduce)
 //______________________________________________________________________________
 // Quantizes the given reduction factor to closest power of two from set from 12.5% to 200%
-GnuBook.prototype.quantizeReductionFactor = function(reduce) {
-    var reductionFactors = [0.5, 1, 2, 4, 8, 16];
-    var quantized = reductionFactors[0];
+GnuBook.prototype.quantizeReduce = function(reduce) {
+    var quantized = this.reductionFactors[0];
     var distance = Math.abs(reduce - quantized);
-    for (var i = 1; i < reductionFactors.length; i++) {
-        newDistance = Math.abs(reduce - reductionFactors[i]);
+    for (var i = 1; i < this.reductionFactors.length; i++) {
+        newDistance = Math.abs(reduce - this.reductionFactors[i]);
         if (newDistance < distance) {
             distance = newDistance;
-            quantized = reductionFactors[i];
+            quantized = this.reductionFactors[i];
         }
     }
     
     return quantized;
 }
 
+// twoPageNextReduce()
+//______________________________________________________________________________
+// Returns the next reduction level
+GnuBook.prototype.twoPageNextReduce = function(reduce, direction) {
+    var result = {};
+    var autofitReduce = this.twoPageGetAutofitReduce();
+
+    if (0 == direction) { // autofit
+        result.autofit = true;
+        result.reduce = autofitReduce;
+        
+    } else if (1 == direction) { // zoom in
+        var newReduce = this.reductionFactors[0];
+    
+        for (var i = 1; i < this.reductionFactors.length; i++) {
+            if (this.reductionFactors[i] < reduce) {
+                newReduce = this.reductionFactors[i];
+            }
+        }
+        
+        if (!this.twoPage.autofit && (autofitReduce < reduce && autofitReduce > newReduce)) {
+            // use autofit
+            result.autofit = true;
+            result.reduce = autofitReduce;
+        } else {        
+            result.autofit = false;
+            result.reduce = newReduce;
+        }
+        
+    } else { // zoom out
+        var lastIndex = this.reductionFactors.length - 1;
+        var newReduce = this.reductionFactors[lastIndex];
+        
+        for (var i = lastIndex; i >= 0; i--) {
+            if (this.reductionFactors[i] > reduce) {
+                newReduce = this.reductionFactors[i];
+            }
+        }
+         
+        if (!this.twoPage.autofit && (autofitReduce > reduce && autofitReduce < newReduce)) {
+            // use autofit
+            result.autofit = true;
+            result.reduce = autofitReduce;
+        } else {
+            result.autofit = false;
+            result.reduce = newReduce;
+        }
+    }
+    
+    return result;
+}
+
 // jumpToPage()
 //______________________________________________________________________________
 // Attempts to jump to page.  Returns true if page could be found, false otherwise.
@@ -770,11 +928,17 @@ GnuBook.prototype.switchMode = function(mode) {
     
     this.switchToolbarMode(mode);
     
+    // $$$ TODO preserve center of view when switching between mode
+    //     See https://bugs.edge.launchpad.net/gnubook/+bug/416682
+    
     if (1 == mode) {
+        this.reduce = this.quantizeReduce(this.reduce);
         this.prepareOnePageView();
     } else {
+        this.twoPage.autofit = false; // Take zoom level from other mode
+        this.reduce = this.quantizeReduce(this.reduce);
         this.prepareTwoPageView();
-        this.twoPageCenterView(0.5, 0.5);
+        this.twoPageCenterView(0.5, 0.5); // $$$ TODO preserve center
     }
 
 }
@@ -804,6 +968,8 @@ GnuBook.prototype.prepareOnePageView = function() {
     // Bind mouse handlers
     // Disable mouse click to avoid selected/highlighted page images - bug 354239
     gbPageView.bind('mousedown', function(e) {
+        // $$$ check here for right-click and don't disable.  Also use jQuery style
+        //     for stopping propagation. See https://bugs.edge.launchpad.net/gnubook/+bug/362626
         return false;
     })
     // Special hack for IE7
@@ -841,17 +1007,20 @@ GnuBook.prototype.prepareTwoPageView = function(centerPercentageX, centerPercent
         targetLeaf = this.lastDisplayableIndex();
     }
     
-    this.twoPage.currentIndexL = null;
-    this.twoPage.currentIndexR = null;
-    this.pruneUnusedImgs();
+    //this.twoPage.currentIndexL = null;
+    //this.twoPage.currentIndexR = null;
+    //this.pruneUnusedImgs();
     
     var currentSpreadIndices = this.getSpreadIndices(targetLeaf);
     this.twoPage.currentIndexL = currentSpreadIndices[0];
     this.twoPage.currentIndexR = currentSpreadIndices[1];
     this.firstIndex = this.twoPage.currentIndexL;
     
-    this.calculateSpreadSize(); //sets twoPage.width, twoPage.height
-        
+    this.calculateSpreadSize(); //sets twoPage.width, twoPage.height and others
+
+    this.pruneUnusedImgs();
+    this.prefetch(); // Preload images or reload if scaling has changed
+
     //console.dir(this.twoPage);
     
     // Add the two page view
@@ -865,6 +1034,15 @@ GnuBook.prototype.prepareTwoPageView = function(centerPercentageX, centerPercent
         position: 'absolute'
         });
         
+    // If there will not be scrollbars (e.g. when zooming out) we center the book
+    // since otherwise the book will be stuck off-center
+    if (this.twoPage.totalWidth < $('#GBcontainer').attr('clientWidth')) {
+        centerPercentageX = 0.5;
+    }
+    if (this.twoPage.totalHeight < $('#GBcontainer').attr('clientHeight')) {
+        centerPercentageY = 0.5;
+    }
+        
     this.twoPageCenterView(centerPercentageX, centerPercentageY);
     
     this.twoPage.coverDiv = document.createElement('div');
@@ -922,9 +1100,47 @@ GnuBook.prototype.prepareTwoPageView = function(centerPercentageX, centerPercent
         left:            this.twoPage.bookSpineDivLeft+'px',
         top:             this.twoPage.bookSpineDivTop+'px'
     }).appendTo('#GBtwopageview');
-
+    
+    var self = this; // for closure
+    
+    /* Flip areas no longer used
+    this.twoPage.leftFlipArea = document.createElement('div');
+    this.twoPage.leftFlipArea.className = 'GBfliparea';
+    $(this.twoPage.leftFlipArea).attr('id', 'GBleftflip').css({
+        border: '0',
+        width:  this.twoPageFlipAreaWidth() + 'px',
+        height: this.twoPageFlipAreaHeight() + 'px',
+        position: 'absolute',
+        left:   this.twoPageLeftFlipAreaLeft() + 'px',
+        top:    this.twoPageFlipAreaTop() + 'px',
+        cursor: 'w-resize',
+        zIndex: 100
+    }).bind('click', function(e) {
+        self.left();
+    }).bind('mousedown', function(e) {
+        e.preventDefault();
+    }).appendTo('#GBtwopageview');
+    
+    this.twoPage.rightFlipArea = document.createElement('div');
+    this.twoPage.rightFlipArea.className = 'GBfliparea';
+    $(this.twoPage.rightFlipArea).attr('id', 'GBrightflip').css({
+        border: '0',
+        width:  this.twoPageFlipAreaWidth() + 'px',
+        height: this.twoPageFlipAreaHeight() + 'px',
+        position: 'absolute',
+        left:   this.twoPageRightFlipAreaLeft() + 'px',
+        top:    this.twoPageFlipAreaTop() + 'px',
+        cursor: 'e-resize',
+        zIndex: 100
+    }).bind('click', function(e) {
+        self.right();
+    }).bind('mousedown', function(e) {
+        e.preventDefault();
+    }).appendTo('#GBtwopageview');
+    */
+    
     this.prepareTwoPagePopUp();
-
+    
     this.displayedIndices = [];
     
     //this.indicesToDisplay=[firstLeaf, firstLeaf+1];
@@ -1012,12 +1228,7 @@ GnuBook.prototype.prepareTwoPagePopUp = function() {
 // This function sets this.twoPage.height, twoPage.width
 
 GnuBook.prototype.calculateSpreadSize = function() {
-    console.log('calculateSpreadSize ' + this.twoPage.currentIndexL); // XXX
 
-    // $$$ TODO Calculate the spread size based on the reduction factor.  If we are using
-    // fit mode we recalculate the reduction factor based on the current page sizes
-    // and display size first.
-    
     var firstIndex  = this.twoPage.currentIndexL;
     var secondIndex = this.twoPage.currentIndexR;
     //console.log('first page is ' + firstIndex);
@@ -1040,9 +1251,9 @@ GnuBook.prototype.calculateSpreadSize = function() {
     this.twoPage.scaledWR = this.getPageWidth2UP(secondIndex);
     
     // Leaf edges
+    this.twoPage.edgeWidth = spreadSize.totalLeafEdgeWidth; // The combined width of both edges
     this.twoPage.leafEdgeWidthL = this.leafEdgeWidth(this.twoPage.currentIndexL);
     this.twoPage.leafEdgeWidthR = this.twoPage.edgeWidth - this.twoPage.leafEdgeWidthL;
-    this.twoPage.edgeWidth = spreadSize.totalLeafEdgeWidth; // The combined width of both edges
     
     
     // Book cover
@@ -1056,8 +1267,8 @@ GnuBook.prototype.calculateSpreadSize = function() {
     // We calculate the total width and height for the div so that we can make the book
     // spine centered
     var leftGutterOffset = this.gutterOffsetForIndex(firstIndex);
-    var leftWidthFromCenter = this.twoPage.scaledWL + leftGutterOffset + this.twoPage.leafEdgeWidthL;
-    var rightWidthFromCenter = this.twoPage.scaledWR - leftGutterOffset + this.twoPage.leafEdgeWidthR;
+    var leftWidthFromCenter = this.twoPage.scaledWL - leftGutterOffset + this.twoPage.leafEdgeWidthL;
+    var rightWidthFromCenter = this.twoPage.scaledWR + leftGutterOffset + this.twoPage.leafEdgeWidthR;
     var largestWidthFromCenter = Math.max( leftWidthFromCenter, rightWidthFromCenter );
     this.twoPage.totalWidth = 2 * (largestWidthFromCenter + this.twoPage.coverInternalPadding + this.twoPage.coverExternalPadding);
     this.twoPage.totalHeight = this.twoPage.height + 2 * (this.twoPage.coverInternalPadding + this.twoPage.coverExternalPadding);
@@ -1120,9 +1331,14 @@ GnuBook.prototype.getIdealSpreadSize = function(firstIndex, secondIndex) {
     var maxLeafEdgeWidth   = parseInt($('#GBcontainer').attr('clientWidth') * 0.1);
     ideal.totalLeafEdgeWidth     = Math.min(totalLeafEdgeWidth, maxLeafEdgeWidth);
     
-    ideal.width  = ($('#GBcontainer').attr('clientWidth') - 30 - ideal.totalLeafEdgeWidth)>>1;
-    ideal.height = $('#GBcontainer').height() - 30;  // $$$ why - 30?  book edge width?
-    //console.log('init idealWidth='+idealWidth+' idealHeight='+idealHeight + ' ratio='+ratio);
+    var widthOutsidePages = 2 * (this.twoPage.coverInternalPadding + this.twoPage.coverExternalPadding) + ideal.totalLeafEdgeWidth;
+    var heightOutsidePages = 2* (this.twoPage.coverInternalPadding + this.twoPage.coverExternalPadding);
+    
+    ideal.width = ($('#GBcontainer').width() - widthOutsidePages) >> 1;
+    ideal.width -= 10; // $$$ fudge factor
+    ideal.height = $('#GBcontainer').height() - heightOutsidePages;
+    ideal.height -= 20; // fudge factor
+    //console.log('init idealWidth='+ideal.width+' idealHeight='+ideal.height + ' ratio='+ratio);
 
     if (ideal.height/ratio <= ideal.width) {
         //use height
@@ -1132,32 +1348,55 @@ GnuBook.prototype.getIdealSpreadSize = function(firstIndex, secondIndex) {
         ideal.height = parseInt(ideal.width*ratio);
     }
     
-    // XXX check this logic with large spreads
+    // $$$ check this logic with large spreads
     ideal.reduce = ((first.height + second.height) / 2) / ideal.height;
     
     return ideal;
 }
 
+// getSpreadSizeFromReduce()
+//______________________________________________________________________________
+// Returns the spread size calculated from the reduction factor for the given pages
 GnuBook.prototype.getSpreadSizeFromReduce = function(firstIndex, secondIndex, reduce) {
     var spreadSize = {};
     // $$$ Scale this based on reduce?
     var totalLeafEdgeWidth = parseInt(this.numLeafs * 0.1);
-    var maxLeafEdgeWidth   = parseInt($('#GBcontainer').attr('clientWidth') * 0.1); // XXX update
+    var maxLeafEdgeWidth   = parseInt($('#GBcontainer').attr('clientWidth') * 0.1); // $$$ Assumes leaf edge width constant at all zoom levels
     spreadSize.totalLeafEdgeWidth     = Math.min(totalLeafEdgeWidth, maxLeafEdgeWidth);
 
-    // XXX incorrect -- we should make height "dominant"
+    // $$$ Possibly incorrect -- we should make height "dominant"
     var nativeWidth = this.getPageWidth(firstIndex) + this.getPageWidth(secondIndex);
     var nativeHeight = this.getPageHeight(firstIndex) + this.getPageHeight(secondIndex);
     spreadSize.height = parseInt( (nativeHeight / 2) / this.reduce );
     spreadSize.width = parseInt( (nativeWidth / 2) / this.reduce );
     spreadSize.reduce = reduce;
     
-    // XXX
-    console.log('spread size: ' + firstIndex + ',' + secondIndex + ',' + reduce);
-
     return spreadSize;
 }
 
+// twoPageGetAutofitReduce()
+//______________________________________________________________________________
+// Returns the current ideal reduction factor
+GnuBook.prototype.twoPageGetAutofitReduce = function() {
+    var spreadSize = this.getIdealSpreadSize(this.twoPage.currentIndexL, this.twoPage.currentIndexR);
+    return spreadSize.reduce;
+}
+
+// twoPageSetCursor()
+//______________________________________________________________________________
+// Set the cursor for two page view
+GnuBook.prototype.twoPageSetCursor = function() {
+    // console.log('setting cursor');
+    if ( ($('#GBtwopageview').width() > $('#GBcontainer').attr('clientWidth')) ||
+         ($('#GBtwopageview').height() > $('#GBcontainer').attr('clientHeight')) ) {
+        $(this.prefetchedImgs[this.twoPage.currentIndexL]).css('cursor','move');
+        $(this.prefetchedImgs[this.twoPage.currentIndexR]).css('cursor','move');
+    } else {
+        $(this.prefetchedImgs[this.twoPage.currentIndexL]).css('cursor','');
+        $(this.prefetchedImgs[this.twoPage.currentIndexR]).css('cursor','');
+    }
+}
+
 // currentIndex()
 //______________________________________________________________________________
 // Returns the currently active index.
@@ -1379,8 +1618,8 @@ GnuBook.prototype.flipLeftToRight = function(newIndexL, newIndexR) {
     // Left gets the offset of the current left leaf from the document
     var left = $(this.prefetchedImgs[leftLeaf]).offset().left;
     // $$$ This seems very similar to the gutter.  May be able to consolidate the logic.
-    // XXX need to recalc
     var right = $('#GBtwopageview').attr('clientWidth')-left-$(this.prefetchedImgs[leftLeaf]).width()+$('#GBtwopageview').offset().left-2+'px';
+    
     // We change the left leaf to right positioning
     // $$$ This causes animation glitches during resize.  See https://bugs.edge.launchpad.net/gnubook/+bug/328327
     $(this.prefetchedImgs[leftLeaf]).css({
@@ -1388,10 +1627,6 @@ GnuBook.prototype.flipLeftToRight = function(newIndexL, newIndexR) {
         left: ''
     });
 
-     left = $(this.prefetchedImgs[leftLeaf]).offset().left - $('#book_div_1').offset().left;
-     
-     right = left+$(this.prefetchedImgs[leftLeaf]).width()+'px';
-
     $(this.leafEdgeTmp).animate({left: gutter}, this.flipSpeed, 'easeInSine');    
     //$(this.prefetchedImgs[leftLeaf]).animate({width: '0px'}, 'slow', 'easeInSine');
     
@@ -1408,7 +1643,7 @@ GnuBook.prototype.flipLeftToRight = function(newIndexL, newIndexR) {
         //console.log('  animating newIndexR ' + newIndexR + ' to ' + newWidthR + ' from ' + $(self.prefetchedImgs[newIndexR]).width());
         $(self.prefetchedImgs[newIndexR]).animate({width: newWidthR+'px'}, self.flipSpeed, 'easeOutSine', function() {
             $(self.prefetchedImgs[newIndexL]).css('zIndex', 2);
-
+            
             $(self.leafEdgeR).css({
                 // Moves the right leaf edge
                 width: self.twoPage.edgeWidth-newLeafEdgeWidthL+'px',
@@ -1421,21 +1656,25 @@ GnuBook.prototype.flipLeftToRight = function(newIndexL, newIndexR) {
                 left:  gutter-newWidthL-newLeafEdgeWidthL+'px'
             });
 
-            // XXX set values in this.twoPage here(?)
+            // Resizes the brown border div
             $(self.twoPage.coverDiv).css({
-                // Resizes the brown border div
-                width: newWidthL+newWidthR+self.twoPage.edgeWidth+20+'px',
+                width: self.twoPageCoverWidth(newWidthL+newWidthR)+'px',
                 left: gutter-newWidthL-newLeafEdgeWidthL-self.twoPage.coverInternalPadding+'px'
             });
             
             $(self.leafEdgeTmp).remove();
             self.leafEdgeTmp = null;
+
+            // $$$ TODO refactor with opposite direction flip
             
             self.twoPage.currentIndexL = newIndexL;
             self.twoPage.currentIndexR = newIndexR;
+            self.twoPage.scaledWL = newWidthL;
+            self.twoPage.scaledWR = newWidthR;
+            self.twoPage.gutter = gutter;
+            
             self.firstIndex = self.twoPage.currentIndexL;
             self.displayedIndices = [newIndexL, newIndexR];
-            self.setClickHandlers();
             self.pruneUnusedImgs();
             self.prefetch();            
             self.animating = false;
@@ -1443,6 +1682,10 @@ GnuBook.prototype.flipLeftToRight = function(newIndexL, newIndexR) {
             self.updateSearchHilites2UP();
             self.updatePageNumBox2UP();
             
+            // self.twoPagePlaceFlipAreas(); // No longer used
+            self.setMouseHandlers2UP();
+            self.twoPageSetCursor();
+            
             if (self.animationFinishedCallback) {
                 self.animationFinishedCallback();
                 self.animationFinishedCallback = null;
@@ -1526,7 +1769,7 @@ GnuBook.prototype.flipRightToLeft = function(newIndexL, newIndexR) {
     var currWidthR = this.getPageWidth2UP(this.twoPage.currentIndexR);
     var newWidthL = this.getPageWidth2UP(newIndexL);
     var newWidthR = this.getPageWidth2UP(newIndexR);
-
+    
     $(this.leafEdgeR).css({width: newLeafEdgeWidthR+'px', left: gutter+newWidthR+'px' });
 
     var self = this; // closure-tastic!
@@ -1540,7 +1783,7 @@ GnuBook.prototype.flipRightToLeft = function(newIndexL, newIndexR) {
         $(self.leafEdgeTmp).animate({left: gutter-newWidthL-leafEdgeTmpW+'px'}, speed, 'easeOutSine');    
         $(self.prefetchedImgs[newIndexL]).animate({width: newWidthL+'px'}, speed, 'easeOutSine', function() {
             $(self.prefetchedImgs[newIndexR]).css('zIndex', 2);
-
+            
             $(self.leafEdgeL).css({
                 width: newLeafEdgeWidthL+'px', 
                 left: gutter-newWidthL-newLeafEdgeWidthL+'px'
@@ -1549,7 +1792,7 @@ GnuBook.prototype.flipRightToLeft = function(newIndexL, newIndexR) {
             // Resizes the book cover
             $(self.twoPage.coverDiv).css({
                 width: self.twoPageCoverWidth(newWidthL+newWidthR)+'px',
-                left: self.coverExternalPadding+'px'
+                left: gutter - newWidthL - newLeafEdgeWidthL - self.twoPage.coverInternalPadding + 'px'
             });
             
             $(self.leafEdgeTmp).remove();
@@ -1557,9 +1800,12 @@ GnuBook.prototype.flipRightToLeft = function(newIndexL, newIndexR) {
             
             self.twoPage.currentIndexL = newIndexL;
             self.twoPage.currentIndexR = newIndexR;
+            self.twoPage.scaledWL = newWidthL;
+            self.twoPage.scaledWR = newWidthR;
+            self.twoPage.gutter = gutter;
+
             self.firstIndex = self.twoPage.currentIndexL;
             self.displayedIndices = [newIndexL, newIndexR];
-            self.setClickHandlers();            
             self.pruneUnusedImgs();
             self.prefetch();
             self.animating = false;
@@ -1568,6 +1814,10 @@ GnuBook.prototype.flipRightToLeft = function(newIndexL, newIndexR) {
             self.updateSearchHilites2UP();
             self.updatePageNumBox2UP();
             
+            // self.twoPagePlaceFlipAreas(); // No longer used
+            self.setMouseHandlers2UP();     
+            self.twoPageSetCursor();
+            
             if (self.animationFinishedCallback) {
                 self.animationFinishedCallback();
                 self.animationFinishedCallback = null;
@@ -1576,30 +1826,59 @@ GnuBook.prototype.flipRightToLeft = function(newIndexL, newIndexR) {
     });    
 }
 
-// setClickHandlers
+// setMouseHandlers2UP
 //______________________________________________________________________________
-GnuBook.prototype.setClickHandlers = function() {
-    var self = this;
-    // $$$ TODO don't set again if already set
-    $(this.prefetchedImgs[this.twoPage.currentIndexL]).click(function() {
+GnuBook.prototype.setMouseHandlers2UP = function() {
+    /*
+    $(this.prefetchedImgs[this.twoPage.currentIndexL]).bind('dblclick', function() {
         //self.prevPage();
         self.autoStop();
         self.left();
     });
-    $(this.prefetchedImgs[this.twoPage.currentIndexR]).click(function() {
+    $(this.prefetchedImgs[this.twoPage.currentIndexR]).bind('dblclick', function() {
         //self.nextPage();'
         self.autoStop();
         self.right();        
     });
+    */
+    
+    this.setDragHandler2UP( this.prefetchedImgs[this.twoPage.currentIndexL] );
+    this.setClickHandler2UP( this.prefetchedImgs[this.twoPage.currentIndexL],
+        { self: this },
+        function(e) {
+            e.data.self.left();
+        }
+    );
+        
+    this.setDragHandler2UP( this.prefetchedImgs[this.twoPage.currentIndexR] );
+    this.setClickHandler2UP( this.prefetchedImgs[this.twoPage.currentIndexR],
+        { self: this },
+        function(e) {
+            e.data.self.right();
+        }
+    );
 }
 
 // prefetchImg()
 //______________________________________________________________________________
 GnuBook.prototype.prefetchImg = function(index) {
-    if (undefined == this.prefetchedImgs[index]) {    
+    var pageURI = this.getPageURI(index);
+
+    // Load image if not loaded or URI has changed (e.g. due to scaling)
+    var loadImage = false;
+    if (undefined == this.prefetchedImgs[index]) {
+        //console.log('no image for ' + index);
+        loadImage = true;
+    } else if (pageURI != this.prefetchedImgs[index].uri) {
+        //console.log('uri changed for ' + index);
+        loadImage = true;
+    }
+    
+    if (loadImage) {
         //console.log('prefetching ' + index);
         var img = document.createElement("img");
-        img.src = this.getPageURI(index);
+        img.src = pageURI;
+        img.uri = pageURI; // browser may rewrite src so we stash raw URI here
         this.prefetchedImgs[index] = img;
     }
 }
@@ -1628,8 +1907,7 @@ GnuBook.prototype.prepareFlipLeftToRight = function(prevL, prevR) {
     // It is offset from the middle to create the illusion of thickness to the pages
     var gutter = middle + this.gutterOffsetForIndex(prevL);
     
-    // XXX
-    console.log('    gutter for ' + prevL + ' is ' + gutter);
+    //console.log('    gutter for ' + prevL + ' is ' + gutter);
     //console.log('    prevL.left: ' + (gutter - scaledW) + 'px');
     //console.log('    changing prevL ' + prevL + ' to left: ' + (gutter-scaledW) + ' width: ' + scaledW);
     
@@ -1665,7 +1943,7 @@ GnuBook.prototype.prepareFlipLeftToRight = function(prevL, prevR) {
             
 }
 
-// XXXmang we're adding an extra pixel in the middle
+// $$$ mang we're adding an extra pixel in the middle.  See https://bugs.edge.launchpad.net/gnubook/+bug/411667
 // prepareFlipRightToLeft()
 //______________________________________________________________________________
 GnuBook.prototype.prepareFlipRightToLeft = function(nextL, nextR) {
@@ -1683,9 +1961,7 @@ GnuBook.prototype.prepareFlipRightToLeft = function(nextL, nextR) {
     var scaledW = this.twoPage.height*width/height;
 
     var gutter = middle + this.gutterOffsetForIndex(nextL);
-    
-    console.log('right to left to %d gutter is %d', nextL, gutter); // XXX
-    
+        
     //console.log(' prepareRTL changing nextR ' + nextR + ' to left: ' + gutter);
     $(this.prefetchedImgs[nextR]).css({
         position: 'absolute',
@@ -1763,6 +2039,31 @@ GnuBook.prototype.pruneUnusedImgs = function() {
 //______________________________________________________________________________
 GnuBook.prototype.prefetch = function() {
 
+    // prefetch visible pages first
+    this.prefetchImg(this.twoPage.currentIndexL);
+    this.prefetchImg(this.twoPage.currentIndexR);
+    
+    var adjacentPagesToLoad = 3;
+    
+    var lowCurrent = Math.min(this.twoPage.currentIndexL, this.twoPage.currentIndexR);
+    var highCurrent = Math.max(this.twoPage.currentIndexL, this.twoPage.currentIndexR);
+        
+    var start = Math.max(lowCurrent - adjacentPagesToLoad, 0);
+    var end = Math.min(highCurrent + adjacentPagesToLoad, this.numLeafs - 1);
+    
+    // Load images spreading out from current
+    for (var i = 1; i <= adjacentPagesToLoad; i++) {
+        var goingDown = lowCurrent - i;
+        if (goingDown >= start) {
+            this.prefetchImg(goingDown);
+        }
+        var goingUp = highCurrent + i;
+        if (goingUp <= end) {
+            this.prefetchImg(goingUp);
+        }
+    }
+
+    /*
     var lim = this.twoPage.currentIndexL-4;
     var i;
     lim = Math.max(lim, 0);
@@ -1776,6 +2077,7 @@ GnuBook.prototype.prefetch = function() {
             this.prefetchImg(i);
         }
     }
+    */
 }
 
 // getPageWidth2UP()
@@ -1905,20 +2207,31 @@ GnuBook.prototype.updateSearchHilites1UP = function() {
     }
 }
 
-// XXX move, clean up, use everywhere
+// twoPageGutter()
+//______________________________________________________________________________
+// Returns the position of the gutter (line between the page images)
 GnuBook.prototype.twoPageGutter = function() {
     return this.twoPage.middle + this.gutterOffsetForIndex(this.twoPage.currentIndexL);
 }
 
-// XXX move, clean up, use everywhere
+// twoPageTop()
+//______________________________________________________________________________
+// Returns the offset for the top of the page images
 GnuBook.prototype.twoPageTop = function() {
     return this.twoPage.coverExternalPadding + this.twoPage.coverInternalPadding; // $$$ + border?
 }
-    
+
+// twoPageCoverWidth()
+//______________________________________________________________________________
+// Returns the width of the cover div given the total page width
 GnuBook.prototype.twoPageCoverWidth = function(totalPageWidth) {
     return totalPageWidth + this.twoPage.edgeWidth + 2*this.twoPage.coverInternalPadding;
 }
 
+// twoPageGetViewCenter()
+//______________________________________________________________________________
+// Returns the percentage offset into twopageview div at the center of container div
+// { percentageX: float, percentageY: float }
 GnuBook.prototype.twoPageGetViewCenter = function() {
     var center = {};
 
@@ -1966,6 +2279,60 @@ GnuBook.prototype.twoPageCenterView = function(percentageX, percentageY) {
         $('#GBcontainer').scrollTop(intoViewY - (containerClientHeight >> 1));
     }
 }
+
+// twoPageFlipAreaHeight
+//______________________________________________________________________________
+// Returns the integer height of the click-to-flip areas at the edges of the book
+GnuBook.prototype.twoPageFlipAreaHeight = function() {
+    return parseInt(this.twoPage.height);
+}
+
+// twoPageFlipAreaWidth
+//______________________________________________________________________________
+// Returns the integer width of the flip areas 
+GnuBook.prototype.twoPageFlipAreaWidth = function() {
+    var max = 100; // $$$ TODO base on view width?
+    var min = 10;
+    
+    var width = this.twoPage.width * 0.15;
+    return parseInt(GnuBook.util.clamp(width, min, max));
+}
+
+// twoPageFlipAreaTop
+//______________________________________________________________________________
+// Returns integer top offset for flip areas
+GnuBook.prototype.twoPageFlipAreaTop = function() {
+    return parseInt(this.twoPage.bookCoverDivTop + this.twoPage.coverInternalPadding);
+}
+
+// twoPageLeftFlipAreaLeft
+//______________________________________________________________________________
+// Left offset for left flip area
+GnuBook.prototype.twoPageLeftFlipAreaLeft = function() {
+    return parseInt(this.twoPage.gutter - this.twoPage.scaledWL);
+}
+
+// twoPageRightFlipAreaLeft
+//______________________________________________________________________________
+// Left offset for right flip area
+GnuBook.prototype.twoPageRightFlipAreaLeft = function() {
+    return parseInt(this.twoPage.gutter + this.twoPage.scaledWR - this.twoPageFlipAreaWidth());
+}
+
+// twoPagePlaceFlipAreas
+//______________________________________________________________________________
+// Readjusts position of flip areas based on current layout
+GnuBook.prototype.twoPagePlaceFlipAreas = function() {
+    // We don't set top since it shouldn't change relative to view
+    $(this.twoPage.leftFlipArea).css({
+        left: this.twoPageLeftFlipAreaLeft() + 'px',
+        width: this.twoPageFlipAreaWidth() + 'px'
+    });
+    $(this.twoPage.rightFlipArea).css({
+        left: this.twoPageRightFlipAreaLeft() + 'px',
+        width: this.twoPageFlipAreaWidth() + 'px'
+    });
+}
     
 // showSearchHilites2UP()
 //______________________________________________________________________________
@@ -2026,6 +2393,139 @@ GnuBook.prototype.removeSearchHilites = function() {
     }
 }
 
+// printPage
+//______________________________________________________________________________
+GnuBook.prototype.printPage = function() {
+    window.open(this.getPrintURI(), 'printpage', 'width=400, height=500, resizable=yes, scrollbars=no, toolbar=no, location=no');
+
+    /* iframe implementation
+
+    if (null != this.printPopup) { // check if already showing
+        return;
+    }
+    this.printPopup = document.createElement("div");
+    $(this.printPopup).css({
+        position: 'absolute',
+        top:      '20px',
+        left:     ($('#GBcontainer').width()-400)/2 + 'px',
+        width:    '400px',
+        padding:  "20px",
+        border:   "3px double #999999",
+        zIndex:   3,
+        backgroundColor: "#fff"
+    }).appendTo('#GnuBook');
+
+    var indexToPrint;
+    if (this.constMode1up == this.mode) {
+        indexToPrint = this.firstIndex;
+    } else {
+        indexToPrint = this.twoPage.currentIndexL;
+    }
+    
+    this.indexToPrint = indexToPrint;
+    
+    var htmlStr = '<div style="text-align: center;">';
+    htmlStr =  '<p style="text-align:center;"><b><a href="javascript:void(0);" onclick="window.frames[0].focus(); window.frames[0].print(); return false;">Click here to print this page</a></b></p>';
+    htmlStr += '<div id="printDiv" name="printDiv" style="text-align: center; width: 233px; margin: auto">'
+    htmlStr +=   '<p style="text-align:right; margin: 0; font-size: 0.85em">';
+    //htmlStr +=     '<button class="GBicon rollover book_up" onclick="gb.updatePrintFrame(-1); return false;"></button> ';
+    //htmlStr +=     '<button class="GBicon rollover book_down" onclick="gb.updatePrintFrame(1); return false;"></button>';
+    htmlStr += '<a href="#" onclick="gb.updatePrintFrame(-1); return false;">Prev</a> <a href="#" onclick="gb.updatePrintFrame(1); return false;">Next</a>';
+    htmlStr +=   '</p>';
+    htmlStr += '</div>';
+    htmlStr += '<p style="text-align:center;"><a href="" onclick="gb.printPopup = null; $(this.parentNode.parentNode).remove(); return false">Close popup</a></p>';
+    htmlStr += '</div>';
+    
+    this.printPopup.innerHTML = htmlStr;
+    
+    var iframe = document.createElement('iframe');
+    iframe.id = 'printFrame';
+    iframe.name = 'printFrame';
+    iframe.width = '233px'; // 8.5 x 11 aspect
+    iframe.height = '300px';
+    
+    var self = this; // closure
+        
+    $(iframe).load(function() {
+        var doc = GnuBook.util.getIFrameDocument(this);
+        $('body', doc).html(self.getPrintFrameContent(self.indexToPrint));
+    });
+    
+    $('#printDiv').prepend(iframe);
+    */
+}
+
+// Get print URI from current indices and mode
+GnuBook.prototype.getPrintURI = function() {
+    var indexToPrint;
+    if (this.constMode2up == this.mode) {
+        indexToPrint = this.twoPage.currentIndexL;        
+    } else {
+        indexToPrint = this.firstIndex; // $$$ the index in the middle of the viewport would make more sense
+    }
+    
+    var options = 'id=' + this.bookId + '&server=' + this.server + '&zip=' + this.zip
+        + '&format=' + this.imageFormat + '&index=' + this.leafMap[indexToPrint]
+        + '&width=' + this.getPageWidth(indexToPrint) + '&height=' + this.getPageHeight(indexToPrint);
+   
+    if (this.constMode2up == this.mode) {
+        options += '&index2=' + this.leafMap[this.twoPage.currentIndexR] + '&width2=' + this.getPageWidth(this.twoPage.currentIndexR);
+        options += '&height2=' + this.getPageHeight(this.twoPage.currentIndexR);
+        options += '&title=' + escape(this.shortTitle(30) + ' - Pages ' + this.getPageNum(this.twoPage.currentIndexL) + ', ' + this.getPageNum(this.twoPage.currentIndexR));
+    } else {
+        options += '&title=' + escape(this.shortTitle(30) + ' - Page ' + this.getPageNum(indexToPrint));
+    }
+
+    return '/bookreader/print.php?' + options;
+}
+
+GnuBook.prototype.getPrintFrameContent = function(index) {    
+    // We fit the image based on an assumed A4 aspect ratio.  A4 is a bit taller aspect than
+    // 8.5x11 so we should end up not overflowing on either paper size.
+    var paperAspect = 8.5 / 11;
+    var imageAspect = this.getPageWidth(index) / this.getPageHeight(index);
+    
+    var rotate = 0;
+    
+    // Rotate if possible and appropriate, to get larger image size on printed page
+    if (this.canRotatePage(index)) {
+        if (imageAspect > 1 && imageAspect > paperAspect) {
+            // more wide than square, and more wide than paper
+            rotate = 90;
+            imageAspect = 1/imageAspect;
+        }
+    }
+    
+    var fitAttrs;
+    if (imageAspect > paperAspect) {
+        // wider than paper, fit width
+        fitAttrs = 'width="95%"';
+    } else {
+        // taller than paper, fit height
+        fitAttrs = 'height="95%"';
+    }
+
+    var imageURL = this.getPageURI(index, 1, rotate);
+    var iframeStr = '<html style="padding: 0; border: 0; margin: 0"><head><title>' + this.bookTitle + '</title></head><body style="padding: 0; border:0; margin: 0">';
+    iframeStr += '<div style="text-align: center; width: 99%; height: 99%; overflow: hidden;">';
+    iframeStr +=   '<img src="' + imageURL + '" ' + fitAttrs + ' />';
+    iframeStr += '</div>';
+    iframeStr += '</body></html>';
+    
+    return iframeStr;
+}
+
+GnuBook.prototype.updatePrintFrame = function(delta) {
+    var newIndex = this.indexToPrint + delta;
+    newIndex = GnuBook.util.clamp(newIndex, 0, this.numLeafs - 1);
+    if (newIndex == this.indexToPrint) {
+        return;
+    }
+    this.indexToPrint = newIndex;
+    var doc = GnuBook.util.getIFrameDocument($('#printFrame')[0]);
+    $('body', doc).html(this.getPrintFrameContent(this.indexToPrint));
+}
+
 // showEmbedCode()
 //______________________________________________________________________________
 GnuBook.prototype.showEmbedCode = function() {
@@ -2065,6 +2565,11 @@ GnuBook.prototype.autoToggle = function() {
         bComingFrom1up = true;
         this.switchMode(2);
     }
+    
+    // Change to autofit if book is too large
+    if (this.reduce < this.twoPageGetAutofitReduce()) {
+        this.zoom2up(0);
+    }
 
     var self = this;
     if (null == this.autoTimer) {
@@ -2099,6 +2604,7 @@ GnuBook.prototype.autoToggle = function() {
 
 // autoStop()
 //______________________________________________________________________________
+// Stop autoplay mode, allowing animations to finish
 GnuBook.prototype.autoStop = function() {
     if (null != this.autoTimer) {
         clearInterval(this.autoTimer);
@@ -2109,6 +2615,31 @@ GnuBook.prototype.autoStop = function() {
     }
 }
 
+// stopFlipAnimations
+//______________________________________________________________________________
+// Immediately stop flip animations.  Callbacks are triggered.
+GnuBook.prototype.stopFlipAnimations = function() {
+
+    this.autoStop(); // Clear timers
+
+    // Stop animation, clear queue, trigger callbacks
+    if (this.leafEdgeTmp) {
+        $(this.leafEdgeTmp).stop(false, true);
+    }
+    jQuery.each(this.prefetchedImgs, function() {
+        $(this).stop(false, true);
+        });
+
+    // And again since animations also queued in callbacks
+    if (this.leafEdgeTmp) {
+        $(this.leafEdgeTmp).stop(false, true);
+    }
+    jQuery.each(this.prefetchedImgs, function() {
+        $(this).stop(false, true);
+        });
+   
+}
+
 // keyboardNavigationIsDisabled(event)
 //   - returns true if keyboard navigation should be disabled for the event
 //______________________________________________________________________________
@@ -2187,15 +2718,30 @@ GnuBook.prototype.jumpIndexForRightEdgePageX = function(pageX) {
 
 GnuBook.prototype.initToolbar = function(mode, ui) {
 
-    $("#GnuBook").append("<div id='GBtoolbar'><span style='float:left;'>"
-        + "<a class='GBicon logo rollover' href='" + this.logoURL + "'>&nbsp;</a>"
-        + " <button class='GBicon rollover zoom_out' onclick='gb.zoom(-1); return false;'/>" 
-        + "<button class='GBicon rollover zoom_in' onclick='gb.zoom(1); return false;'/>"
-        + " <span class='label'>Zoom: <span id='GBzoom'>"+parseInt(100/this.reduce)+"</span>%</span>"
-        + " <button class='GBicon rollover one_page_mode' onclick='gb.switchMode(1); return false;'/>"
-        + " <button class='GBicon rollover two_page_mode' onclick='gb.switchMode(2); return false;'/>"
-        + "&nbsp;&nbsp;<a class='GBblack title' href='"+this.bookUrl+"' target='_blank'>"+this.shortTitle(50)+"</a>"
-        + "</span></div>");
+    $("#GnuBook").append("<div id='GBtoolbar'>"
+        + "<span id='GBtoolbarbuttons' style='float: right'>"
+        +   "<button class='GBicon print rollover' /> <button class='GBicon rollover embed' />"
+        +   "<form class='GBpageform' action='javascript:' onsubmit='gb.jumpToPage(this.elements[0].value)'> <span class='label'>Page:<input id='GBpagenum' type='text' size='3' onfocus='gb.autoStop();'></input></span></form>"
+        +   "<div class='GBtoolbarmode2' style='display: none'><button class='GBicon rollover book_leftmost' /><button class='GBicon rollover book_left' /><button class='GBicon rollover book_right' /><button class='GBicon rollover book_rightmost' /></div>"
+        +   "<div class='GBtoolbarmode1' style='display: none'><button class='GBicon rollover book_top' /><button class='GBicon rollover book_up' /> <button class='GBicon rollover book_down' /><button class='GBicon rollover book_bottom' /></div>"
+        +   "<button class='GBicon rollover play' /><button class='GBicon rollover pause' style='display: none' />"
+        + "</span>"
+        
+        + "<span>"
+        +   "<a class='GBicon logo rollover' href='" + this.logoURL + "'>&nbsp;</a>"
+        +   " <button class='GBicon rollover zoom_out' onclick='gb.zoom(-1); return false;'/>" 
+        +   "<button class='GBicon rollover zoom_in' onclick='gb.zoom(1); return false;'/>"
+        +   " <span class='label'>Zoom: <span id='GBzoom'>"+parseInt(100/this.reduce)+"</span></span>"
+        +   " <button class='GBicon rollover one_page_mode' onclick='gb.switchMode(1); return false;'/>"
+        +   " <button class='GBicon rollover two_page_mode' onclick='gb.switchMode(2); return false;'/>"
+        + "</span>"
+        
+        + "<span id='#GBbooktitle'>"
+        +   "&nbsp;&nbsp;<a class='GBblack title' href='"+this.bookUrl+"' target='_blank'>"+this.bookTitle+"</a>"
+        + "</span>"
+        + "</div>");
+    
+    this.updateToolbarZoom(this.reduce); // Pretty format
         
     if (ui == "embed") {
         $("#GnuBook a.logo").attr("target","_blank");
@@ -2205,12 +2751,7 @@ GnuBook.prototype.initToolbar = function(mode, ui) {
     var jToolbar = $('#GBtoolbar'); // j prefix indicates jQuery object
     
     // We build in mode 2
-    jToolbar.append("<span id='GBtoolbarbuttons' style='float: right'>"
-        + "<button class='GBicon rollover embed' />"
-        + "<form class='GBpageform' action='javascript:' onsubmit='gb.jumpToPage(this.elements[0].value)'> <span class='label'>Page:<input id='GBpagenum' type='text' size='3' onfocus='gb.autoStop();'></input></span></form>"
-        + "<div class='GBtoolbarmode2' style='display: none'><button class='GBicon rollover book_leftmost' /><button class='GBicon rollover book_left' /><button class='GBicon rollover book_right' /><button class='GBicon rollover book_rightmost' /></div>"
-        + "<div class='GBtoolbarmode1' style='display: none'><button class='GBicon rollover book_top' /><button class='GBicon rollover book_up' /> <button class='GBicon rollover book_down' /><button class='GBicon rollover book_bottom' /></div>"
-        + "<button class='GBicon rollover play' /><button class='GBicon rollover pause' style='display: none' /></span>");
+    jToolbar.append();
 
     this.bindToolbarNavHandlers(jToolbar);
     
@@ -2220,6 +2761,7 @@ GnuBook.prototype.initToolbar = function(mode, ui) {
                    '.zoom_out': 'Zoom out',
                    '.one_page_mode': 'One-page view',
                    '.two_page_mode': 'Two-page view',
+                   '.print': 'Print this page',
                    '.embed': 'Embed bookreader',
                    '.book_left': 'Flip left',
                    '.book_right': 'Flip right',
@@ -2294,6 +2836,11 @@ GnuBook.prototype.bindToolbarNavHandlers = function(jToolbar) {
         gb.next();
         return false;
     });
+
+    jToolbar.find('.print').bind('click', function(e) {
+        gb.printPage();
+        return false;
+    });
         
     jToolbar.find('.embed').bind('click', function(e) {
         gb.showEmbedCode();
@@ -2335,8 +2882,17 @@ GnuBook.prototype.bindToolbarNavHandlers = function(jToolbar) {
 //______________________________________________________________________________
 // Update the displayed zoom factor based on reduction factor
 GnuBook.prototype.updateToolbarZoom = function(reduce) {
-    // $$$ TODO: Move toolbar to it's own object/plugin
-    $('#GBzoom').text(parseInt(100/reduce));
+    var value;
+    if (this.constMode2up == this.mode && this.twoPage.autofit) {
+        value = 'Auto';
+    } else {
+        value = (100 / reduce).toFixed(2);
+        // Strip trailing zeroes and decimal if all zeroes
+        value = value.replace(/0+$/,'');
+        value = value.replace(/\.$/,'');
+        value += '%';
+    }
+    $('#GBzoom').text(value);
 }
 
 // firstDisplayableIndex
@@ -2389,8 +2945,6 @@ GnuBook.prototype.shortTitle = function(maximumCharacters) {
     return title;
 }
 
-
-
 // Parameter related functions
 
 // updateFromParams(params)
@@ -2554,7 +3108,7 @@ GnuBook.prototype.getPageIndices = function(pageNum) {
         try {
             var pageIntStr = pageNum.slice(1, pageNum.length);
             var pageIndex = parseInt(pageIntStr);
-            indices.append(pageIndex);
+            indices.push(pageIndex);
             return indices;
         } catch(err) {
             // Do nothing... will run through page names and see if one matches
@@ -2624,21 +3178,6 @@ GnuBook.prototype.startLocationPolling = function() {
     }, 500);
 }
 
-// getEmbedURL
-//________
-// Returns a URL for an embedded version of the current book
-GnuBook.prototype.getEmbedURL = function() {
-    // We could generate a URL hash fragment here but for now we just leave at defaults
-    return 'http://' + window.location.host + '/stream/'+this.bookId + '?ui=embed';
-}
-
-// getEmbedCode
-//________
-// Returns the embed code HTML fragment suitable for copy and paste
-GnuBook.prototype.getEmbedCode = function() {
-    return "<iframe src='" + this.getEmbedURL() + "' width='480px' height='430px'></iframe>";
-}
-
 // canSwitchToMode
 //________
 // Returns true if we can switch to the requested mode
@@ -2659,5 +3198,11 @@ GnuBook.prototype.canSwitchToMode = function(mode) {
 GnuBook.util = {
     clamp: function(value, min, max) {
         return Math.min(Math.max(value, min), max);
+    },
+
+    getIFrameDocument: function(iframe) {
+        // Adapted from http://xkr.us/articles/dom/iframe-document/
+        var outer = (iframe.contentWindow || iframe.contentDocument);
+        return (outer.document || outer);
     }
-}
\ No newline at end of file
+}