this.lastDisplayableIndex2up = null;
// We link to index.php to avoid redirect which breaks back button
+ // Should be overriden (before init) by custom implmentations.
this.logoURL = 'http://www.archive.org/index.php';
- // Base URL for images
+ // Base URL for UI images - should be overriden (before init) by
+ // custom implementations.
+ // $$$ This is the same directory as the images referenced by relative
+ // path in the CSS. Would be better to automagically find that path.
this.imagesBaseURL = '/bookreader/images/';
// Mode constants
this.constModeThumb = 3;
// Zoom levels
- this.reductionFactors = [0.5, 1, 2, 4, 8, 16];
-
+ // $$$ provide finer grained zooming
+ this.reductionFactors = [ {reduce: 0.5, autofit: null},
+ {reduce: 1, autofit: null},
+ {reduce: 2, autofit: null},
+ {reduce: 4, autofit: null},
+ {reduce: 8, autofit: null},
+ {reduce: 16, autofit: null} ];
+
+ // Object to hold parameters related to 1up mode
+ this.onePage = {
+ autofit: 'height' // valid values are height, width, none
+ };
+
// Object to hold parameters related to 2up mode
this.twoPage = {
coverInternalPadding: 0, // Width of cover
coverExternalPadding: 0, // Padding outside of cover
bookSpineDivWidth: 0, // Width of book spine $$$ consider sizing based on book length
- autofit: true
+ autofit: 'auto'
};
- // Background color for pages (e.g. when loading page image)
- // $$$ TODO dynamically calculate based on page images
- this.pageDefaultBackgroundColor = 'rgb(234, 226, 205)';
-
return this;
};
// Find start index and mode if set in location hash
var params = this.paramsFromFragment(window.location.hash);
+
+ // Sanitize/process parameters
+
+ if ( !this.canSwitchToMode( this.mode ) ) {
+ this.mode = this.constMode1up;
+ }
if ('undefined' != typeof(params.index)) {
startIndex = params.index;
} else if ('undefined' != typeof(params.page)) {
startIndex = this.getPageIndex(params.page);
}
-
+
if ('undefined' == typeof(startIndex)) {
if ('undefined' != typeof(this.titleLeaf)) {
- startIndex = this.leafNumToIndex(this.titleLeaf);
+ // title leaf is known - but only use as default if book has a few pages
+ if (this.numLeafs > 2) {
+ startIndex = this.leafNumToIndex(this.titleLeaf);
+ }
}
}
// search engine visibility
document.title = this.shortTitle(50);
- // Sanitize parameters
- if ( !this.canSwitchToMode( this.mode ) ) {
- this.mode = this.constMode1up;
- }
-
$("#BookReader").empty();
+
this.initToolbar(this.mode, this.ui); // Build inside of toolbar div
+
$("#BookReader").append("<div id='BRcontainer'></div>");
$("#BRcontainer").append("<div id='BRpageview'></div>");
+
+ this.initNavbar();
+ this.bindNavigationHandlers();
+
+ // Autohide nav after showing for awhile
+ var self = this;
+ $(window).bind('load', function() {
+ setTimeout(function() { self.hideNavigation(); }, 3000);
+ });
$("#BRcontainer").bind('scroll', this, function(e) {
e.data.loadLeafs();
});
-
+
this.setupKeyListeners();
this.startLocationPolling();
//console.log('resize!');
if (1 == e.data.mode) {
//console.log('centering 1page view');
+ if (e.data.autofit) {
+ e.data.resizePageView();
+ }
e.data.centerPageView();
$('#BRpageview').empty()
e.data.displayedIndices = [];
// $$$ refactor this so it's enough to set the first index and call preparePageView
// (get rid of mode-specific logic at this point)
if (1 == this.mode) {
- this.resizePageView();
this.firstIndex = startIndex;
+ this.prepareOnePageView();
this.jumpToIndex(startIndex);
} else if (3 == this.mode) {
this.firstIndex = startIndex;
// Enact other parts of initial params
this.updateFromParams(params);
+
+ //XXXmang window.setTimeout(self.hideNavigation, 3000);
}
BookReader.prototype.setupKeyListeners = function() {
}
-// setDragHandler()
+// bindGestures(jElement)
//______________________________________________________________________________
-BookReader.prototype.setDragHandler = function(div) {
- div.dragging = false;
+BookReader.prototype.bindGestures = function(jElement) {
- $(div).unbind('mousedown').bind('mousedown', function(e) {
+ jElement.unbind('gesturechange').bind('gesturechange', function(e) {
e.preventDefault();
-
- //console.log('mousedown at ' + e.pageY);
-
- this.dragging = true;
- this.prevMouseX = e.pageX;
- this.prevMouseY = e.pageY;
-
- var startX = e.pageX;
- var startY = e.pageY;
- var startTop = $('#BRcontainer').attr('scrollTop');
- var startLeft = $('#BRcontainer').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;
-
- if (this.dragging) {
- $('#BRcontainer').attr('scrollTop', $('#BRcontainer').attr('scrollTop') - offsetY);
- $('#BRcontainer').attr('scrollLeft', $('#BRcontainer').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;
- });
-
- $(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()
-//______________________________________________________________________________
-BookReader.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 = $('#BRcontainer').attr('scrollTop');
- var startLeft = $('#BRcontainer').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) {
- $('#BRcontainer').attr('scrollTop', $('#BRcontainer').attr('scrollTop') - offsetY);
- $('#BRcontainer').attr('scrollLeft', $('#BRcontainer').attr('scrollLeft') - offsetX);
- this.prevMouseX = ee.pageX;
- this.prevMouseY = ee.pageY;
+ if (e.originalEvent.scale > 1.5) {
+ br.zoom(1);
+ } else if (e.originalEvent.scale < 0.6) {
+ br.zoom(-1);
}
-
-
- });
-
- /*
- $(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.dragging = false;
- this.mouseDown = false;
- });
-
- $(div).unbind('mouseenter').bind('mouseenter', function(e) {
- e.preventDefault();
- //console.log('mouseenter');
- this.dragging = false;
- this.mouseDown = false;
- });
}
BookReader.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;
+ $(element).unbind('tap').bind('tap', data, function(e) {
+ handler(e);
});
}
$(div).css('height', height+'px');
//$(div).text('loading...');
- this.setDragHandler(div);
-
$('#BRpageview').append(div);
var img = document.createElement("img");
// link to page in single page mode
link = document.createElement("a");
$(link).data('leaf', leaf);
- $(link).click(function(event) {
+ $(link).bind('tap', function(event) {
self.firstIndex = $(this).data('leaf');
self.switchMode(self.constMode1up);
event.preventDefault();
left: this.twoPage.gutter-this.twoPage.scaledWL+'px',
right: '',
top: top+'px',
- backgroundColor: this.getPageBackgroundColor(indexL),
height: this.twoPage.height +'px', // $$$ height forced the same for both pages
width: this.twoPage.scaledWL + 'px',
zIndex: 2
left: this.twoPage.gutter+'px',
right: '',
top: top+'px',
- backgroundColor: this.getPageBackgroundColor(indexR),
height: this.twoPage.height + 'px', // $$$ height forced the same for both pages
width: this.twoPage.scaledWR + 'px',
zIndex: 2
BookReader.prototype.zoom = function(direction) {
switch (this.mode) {
case this.constMode1up:
- return this.zoom1up(direction);
+ if (direction == 1) {
+ // XXX other cases
+ return this.zoom1up('in');
+ } else {
+ return this.zoom1up('out');
+ }
+
case this.constMode2up:
- return this.zoom2up(direction);
+ if (direction == 1) {
+ // XXX other cases
+ return this.zoom2up('in');
+ } else {
+ return this.zoom2up('out');
+ }
+
case this.constModeThumb:
+ // XXX update zoomThumb for named directions
return this.zoomThumb(direction);
+
}
}
// zoom1up(dir)
//______________________________________________________________________________
-BookReader.prototype.zoom1up = function(dir) {
+BookReader.prototype.zoom1up = function(direction) {
if (2 == this.mode) { //can only zoom in 1-page mode
this.switchMode(1);
return;
}
- // $$$ with flexible zoom we could "snap" to /2 page reductions
- // for better scaling
- if (1 == dir) {
- if (this.reduce <= 0.5) return;
- this.reduce*=0.5; //zoom in
- } else {
- if (this.reduce >= 8) return;
- this.reduce*=2; //zoom out
+ var reduceFactor = this.nextReduce(this.reduce, direction, this.onePage.reductionFactors);
+
+ if (this.reduce == reduceFactor.reduce) {
+ // Already at this level
+ return;
}
-
+
+ this.reduce = reduceFactor.reduce; // $$$ incorporate into function
+ this.onePage.autofit = reduceFactor.autofit;
+
this.pageScale = this.reduce; // preserve current reduce
this.resizePageView();
var scrollRatio = 0;
}
+ // Recalculate 1up reduction factors
+ this.onePageCalculateReductionFactors( $('#BRcontainer').attr('clientWidth'),
+ $('#BRcontainer').attr('clientHeight') );
+ // Update current reduce (if in autofit)
+ if (this.onePage.autofit) {
+ var reductionFactor = this.nextReduce(this.reduce, this.onePage.autofit, this.onePage.reductionFactors);
+ this.reduce = reductionFactor.reduce;
+ }
+
for (i=0; i<this.numLeafs; i++) {
viewHeight += parseInt(this._getPageHeight(i)/this.reduce) + this.padding;
var width = parseInt(this._getPageWidth(i)/this.reduce);
// 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)) {
+ // Recalculate autofit factors
+ this.twoPageCalculateReductionFactors();
+
+ // Get new zoom state
+ var reductionFactor = this.nextReduce(this.reduce, direction, this.twoPage.reductionFactors);
+ if ((this.reduce == reductionFactor.reduce) && (this.twoPage.autofit == reductionFactor.autofit)) {
+ // Same zoom
return;
}
- this.twoPage.autofit = newZoom.autofit;
- this.reduce = newZoom.reduce;
+ this.twoPage.autofit = reductionFactor.autofit;
+ this.reduce = reductionFactor.reduce;
this.pageScale = this.reduce; // preserve current reduce
// Preserve view center position
// quantizeReduce(reduce)
//______________________________________________________________________________
// Quantizes the given reduction factor to closest power of two from set from 12.5% to 200%
-BookReader.prototype.quantizeReduce = function(reduce) {
- var quantized = this.reductionFactors[0];
+BookReader.prototype.quantizeReduce = function(reduce, reductionFactors) {
+ var quantized = reductionFactors[0].reduce;
var distance = Math.abs(reduce - quantized);
- for (var i = 1; i < this.reductionFactors.length; i++) {
- newDistance = Math.abs(reduce - this.reductionFactors[i]);
+ for (var i = 1; i < reductionFactors.length; i++) {
+ newDistance = Math.abs(reduce - reductionFactors[i].reduce);
if (newDistance < distance) {
distance = newDistance;
- quantized = this.reductionFactors[i];
+ quantized = reductionFactors[i].reduce;
}
}
return quantized;
}
-// twoPageNextReduce()
-//______________________________________________________________________________
-// Returns the next reduction level
-BookReader.prototype.twoPageNextReduce = function(reduce, direction) {
- var result = {};
- var autofitReduce = this.twoPageGetAutofitReduce();
+// reductionFactors should be array of sorted reduction factors
+// e.g. [ {reduce: 0.25, autofit: null}, {reduce: 0.3, autofit: 'width'}, {reduce: 1, autofit: null} ]
+BookReader.prototype.nextReduce = function( currentReduce, direction, reductionFactors ) {
- if (0 == direction) { // autofit
- result.autofit = true;
- result.reduce = autofitReduce;
-
- } else if (1 == direction) { // zoom in
- var newReduce = this.reductionFactors[0];
+ // XXX add 'closest', to replace quantize function
- for (var i = 1; i < this.reductionFactors.length; i++) {
- if (this.reductionFactors[i] < reduce) {
- newReduce = this.reductionFactors[i];
+ if (direction == 'in') {
+ var newReduceIndex = 0;
+
+ for (var i = 1; i < reductionFactors.length; i++) {
+ if (reductionFactors[i].reduce < currentReduce) {
+ newReduceIndex = i;
}
}
+ return reductionFactors[newReduceIndex];
- 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];
+ } else if (direction == 'out') { // zoom out
+ var lastIndex = reductionFactors.length - 1;
+ var newReduceIndex = lastIndex;
for (var i = lastIndex; i >= 0; i--) {
- if (this.reductionFactors[i] > reduce) {
- newReduce = this.reductionFactors[i];
+ if (reductionFactors[i].reduce > currentReduce) {
+ newReduceIndex = 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 reductionFactors[newReduceIndex];
+ }
+
+ // Asked for specific autofit mode
+ for (var i = 0; i < reductionFactors.length; i++) {
+ if (reductionFactors[i].autofit == direction) {
+ return reductionFactors[i];
}
}
- return result;
+ alert('Could not find reduction factor for direction ' + direction);
+ return reductionFactors[0];
+
+}
+
+BookReader.prototype._reduceSort = function(a, b) {
+ return a.reduce - b.reduce;
}
// jumpToPage()
//______________________________________________________________________________
BookReader.prototype.jumpToIndex = function(index, pageX, pageY) {
- if (2 == this.mode) {
+ if (this.constMode2up == this.mode) {
this.autoStop();
// By checking against min/max we do nothing if requested index
this.flipFwdToIndex(index);
}
- } else if (3 == this.mode) {
+ } else if (this.constModeThumb == this.mode) {
var viewWidth = $('#BRcontainer').attr('scrollWidth') - 20; // width minus buffer
var i;
var leafWidth = 0;
$('#BRcontainer').animate({scrollTop: leafTop },'fast');
}
} else {
+ // 1up
var i;
var leafTop = 0;
var leafLeft = 0;
offset -= $('#BRcontainer').attr('clientHeight') >> 1;
//console.log( 'jumping to ' + leafTop + ' ' + offset);
leafTop += offset;
+ } else {
+ // Show page just a little below the top
+ leafTop -= this.padding / 2;
}
if (pageX) {
var offset = parseInt( (pageX) / this.reduce);
offset -= $('#BRcontainer').attr('clientWidth') >> 1;
leafLeft += offset;
+ } else {
+ // Preserve left position
+ leafLeft = $('#BRcontainer').scrollLeft();
}
//$('#BRcontainer').attr('scrollTop', leafTop);
// $$$ TODO preserve center of view when switching between mode
// See https://bugs.edge.launchpad.net/gnubook/+bug/416682
+ // XXX maybe better to preserve zoom in each mode
if (1 == mode) {
- this.reduce = this.quantizeReduce(this.reduce);
+ this.onePageCalculateReductionFactors( $('#BRcontainer').attr('clientWidth'), $('#BRcontainer').attr('clientHeight'));
+ this.reduce = this.quantizeReduce(this.reduce, this.onePage.reductionFactors);
this.prepareOnePageView();
} else if (3 == mode) {
- this.reduce = this.quantizeReduce(this.reduce);
$('button.thumb').hide();
$('button.twopg').show();
+ this.reduce = this.quantizeReduce(this.reduce, this.reductionFactors);
this.prepareThumbnailView();
} else {
// $$$ why don't we save autofit?
- //this.twoPage.autofit = false; Take zoom level from other mode
- this.reduce = this.quantizeReduce(this.reduce);
+ // this.twoPage.autofit = null; // Take zoom level from other mode
+ this.twoPageCalculateReductionFactors();
+ this.reduce = this.quantizeReduce(this.reduce, this.twoPage.reductionFactors);
$('button.thumb').show();
$('button.twopg').hide();
this.prepareTwoPageView();
// var startLeaf = this.displayedIndices[0];
var startLeaf = this.currentIndex();
-
+
$('#BRcontainer').empty();
$('#BRcontainer').css({
overflowY: 'scroll',
overflowX: 'auto'
});
-
+
$("#BRcontainer").append("<div id='BRpageview'></div>");
+
+ // Attaches to first child - child must be present
+ $('#BRcontainer').dragscrollable();
+ this.bindGestures($('#BRcontainer'));
+
// $$$ keep select enabled for now since disabling it breaks keyboard
// nav in FF 3.6 (https://bugs.edge.launchpad.net/bookreader/+bug/544666)
// BookReader.util.disableSelect($('#BRpageview'));
- this.resizePageView();
+ this.resizePageView();
this.jumpToIndex(startLeaf);
this.displayedIndices = [];
});
$("#BRcontainer").append("<div id='BRpageview'></div>");
+
+ $('#BRcontainer').dragscrollable();
+ this.bindGestures($('#BRcontainer'));
// $$$ keep select enabled for now since disabling it breaks keyboard
// nav in FF 3.6 (https://bugs.edge.launchpad.net/bookreader/+bug/544666)
// Add the two page view
// $$$ Can we get everything set up and then append?
$('#BRcontainer').append('<div id="BRtwopageview"></div>');
+
+ // Attaches to first child, so must come after we add the page view
+ $('#BRcontainer').dragscrollable();
+ this.bindGestures($('#BRcontainer'));
// $$$ calculate first then set
$('#BRtwopageview').css( {
width: this.twoPage.bookCoverDivWidth + 'px',
height: this.twoPage.bookCoverDivHeight+'px',
visibility: 'visible',
- position: 'absolute',
- backgroundColor: 'transparent',
- backgroundImage: 'url(back_pages.png)',
- left: this.twoPage.bookCoverDivLeft + 'px',
- top: this.twoPage.bookCoverDivTop+'px',
- MozBoxShadow: '0 0 2px #000',
- WebkitBoxShadow: '0 0 2px #000'
}).appendTo('#BRtwopageview');
this.leafEdgeR = document.createElement('div');
- this.leafEdgeR.className = 'leafEdgeR'; // $$$ the static CSS should be moved into the .css file
+ this.leafEdgeR.className = 'BRleafEdgeR';
$(this.leafEdgeR).css({
- background: 'transparent url(back_pages.png) repeat scroll 0% 0%',
width: this.twoPage.leafEdgeWidthR + 'px',
- height: this.twoPage.height-1 + 'px',
- /*right: '10px',*/
+ height: this.twoPage.height + 'px',
left: this.twoPage.gutter+this.twoPage.scaledWR+'px',
- top: this.twoPage.bookCoverDivTop+this.twoPage.coverInternalPadding+'px',
- position: 'absolute'
+ top: this.twoPage.bookCoverDivTop+this.twoPage.coverInternalPadding+'px'
}).appendTo('#BRtwopageview');
this.leafEdgeL = document.createElement('div');
- this.leafEdgeL.className = 'leafEdgeL';
- $(this.leafEdgeL).css({ // $$$ static CSS should be moved to file
- background: 'transparent url(back_pages.png) repeat scroll 0% 0%',
+ this.leafEdgeL.className = 'BRleafEdgeL';
+ $(this.leafEdgeL).css({
width: this.twoPage.leafEdgeWidthL + 'px',
- height: this.twoPage.height-1 + 'px',
+ height: this.twoPage.height + 'px',
left: this.twoPage.bookCoverDivLeft+this.twoPage.coverInternalPadding+'px',
- top: this.twoPage.bookCoverDivTop+this.twoPage.coverInternalPadding+'px',
- position: 'absolute'
+ top: this.twoPage.bookCoverDivTop+this.twoPage.coverInternalPadding+'px'
}).appendTo('#BRtwopageview');
div = document.createElement('div');
$(div).attr('id', 'BRbookspine').css({
width: this.twoPage.bookSpineDivWidth+'px',
height: this.twoPage.bookSpineDivHeight+'px',
- position: 'absolute',
left: this.twoPage.bookSpineDivLeft+'px',
top: this.twoPage.bookSpineDivTop+'px'
}).appendTo('#BRtwopageview');
BookReader.prototype.prepareTwoPagePopUp = function() {
this.twoPagePopUp = document.createElement('div');
+ this.twoPagePopUp.className = 'BRtwoPagePopUp';
$(this.twoPagePopUp).css({
- padding: '6px',
- position: 'absolute',
- fontFamily: 'Arial,sans-serif',
- fontSize: '11px',
- color: 'white',
- zIndex: '1000',
- backgroundColor: '#939598',
- opacity: 0.85,
- webkitBorderRadius: '4px',
- mozBorderRadius: '4px',
- borderRadius: '4px',
- whiteSpace: 'nowrap'
+ zIndex: '1000'
}).appendTo('#BRcontainer');
$(this.twoPagePopUp).hide();
// Book cover
// The width of the book cover div. The combined width of both pages, twice the width
// of the book cover internal padding (2*10) and the page edges
- this.twoPage.bookCoverDivWidth = this.twoPage.scaledWL + this.twoPage.scaledWR + 2 * this.twoPage.coverInternalPadding + this.twoPage.edgeWidth;
+ this.twoPage.bookCoverDivWidth = this.twoPageCoverWidth(this.twoPage.scaledWL + this.twoPage.scaledWR);
// The height of the book cover div
this.twoPage.bookCoverDivHeight = this.twoPage.height + 2 * this.twoPage.coverInternalPadding;
return spreadSize.reduce;
}
+BookReader.prototype.onePageGetAutofitWidth = function() {
+ var widthPadding = 20;
+ return (this.getMedianPageSize().width + 0.0) / ($('#BRcontainer').attr('clientWidth') - widthPadding * 2);
+}
+
+BookReader.prototype.onePageGetAutofitHeight = function() {
+ return (this.getMedianPageSize().height + 0.0) / ($('#BRcontainer').attr('clientHeight') - this.padding * 2); // make sure a little of adjacent pages show
+}
+
+BookReader.prototype.getMedianPageSize = function() {
+ if (this._medianPageSize) {
+ return this._medianPageSize;
+ }
+
+ // A little expensive but we just do it once
+ var widths = [];
+ var heights = [];
+ for (var i = 0; i < this.numLeafs; i++) {
+ widths.push(this.getPageWidth(i));
+ heights.push(this.getPageHeight(i));
+ }
+
+ widths.sort();
+ heights.sort();
+
+ this._medianPageSize = { width: widths[parseInt(widths.length / 2)], height: heights[parseInt(heights.length / 2)] };
+ return this._medianPageSize;
+}
+
+// Update the reduction factors for 1up mode given the available width and height. Recalculates
+// the autofit reduction factors.
+BookReader.prototype.onePageCalculateReductionFactors = function( width, height ) {
+ this.onePage.reductionFactors = this.reductionFactors.concat(
+ [
+ { reduce: this.onePageGetAutofitWidth(), autofit: 'width' },
+ { reduce: this.onePageGetAutofitHeight(), autofit: 'height'}
+ ]);
+ this.onePage.reductionFactors.sort(this._reduceSort);
+}
+
+BookReader.prototype.twoPageCalculateReductionFactors = function() {
+ this.twoPage.reductionFactors = this.reductionFactors.concat(
+ [
+ { reduce: this.getIdealSpreadSize( this.twoPage.currentIndexL, this.twoPage.currentIndexR ).reduce,
+ autofit: 'auto' }
+ ]);
+ this.twoPage.reductionFactors.sort(this._reduceSort);
+}
+
// twoPageSetCursor()
//______________________________________________________________________________
// Set the cursor for two page view
//______________________________________________________________________________
// Scrolls down one screen view
BookReader.prototype.scrollDown = function() {
- if ($.inArray(this.mode, [this.constMode2up, this.constModeThumb]) >= 0) {
+ if ($.inArray(this.mode, [this.constMode1up, this.constModeThumb]) >= 0) {
+ if ( this.mode == this.constMode1up && (this.reduce >= this.onePageGetAutofitHeight()) ) {
+ // Whole pages are visible, scroll whole page only
+ return this.next();
+ }
+
$('#BRcontainer').animate(
- { scrollTop: '+=' + $('#BRcontainer').height() * 0.95 + 'px'},
- 450, 'easeInOutQuint'
+ { scrollTop: '+=' + this._scrollAmount() + 'px'},
+ 400, 'easeInOutExpo'
);
return true;
} else {
//______________________________________________________________________________
// Scrolls up one screen view
BookReader.prototype.scrollUp = function() {
- if ($.inArray(this.mode, [this.constMode2up, this.constModeThumb]) >= 0) {
+ if ($.inArray(this.mode, [this.constMode1up, this.constModeThumb]) >= 0) {
+ if ( this.mode == this.constMode1up && (this.reduce >= this.onePageGetAutofitHeight()) ) {
+ // Whole pages are visible, scroll whole page only
+ return this.prev();
+ }
+
$('#BRcontainer').animate(
- { scrollTop: '-=' + $('#BRcontainer').height() * 0.95 + 'px'},
- 450, 'easeInOutQuint'
+ { scrollTop: '-=' + this._scrollAmount() + 'px'},
+ 400, 'easeInOutExpo'
);
return true;
} else {
}
}
+// _scrollAmount()
+//______________________________________________________________________________
+// The amount to scroll vertically in integer pixels
+BookReader.prototype._scrollAmount = function() {
+ if (this.constMode1up == this.mode) {
+ // Overlap by % of page size
+ return parseInt($('#BRcontainer').attr('clientHeight') - this.getPageHeight(this.currentIndex()) / this.reduce * 0.03);
+ }
+
+ return parseInt(0.9 * $('#BRcontainer').attr('clientHeight'));
+}
+
// flipBackToIndex()
//______________________________________________________________________________
var leftEdgeTmpLeft = gutter - currWidthL - leafEdgeTmpW;
this.leafEdgeTmp = document.createElement('div');
+ this.leafEdgeTmp.className = 'BRleafEdgeTmp';
$(this.leafEdgeTmp).css({
- background: 'transparent url(back_pages.png) repeat scroll 0% 0%',
width: leafEdgeTmpW + 'px',
- height: this.twoPage.height-1 + 'px',
+ height: this.twoPage.height + 'px',
left: leftEdgeTmpLeft + 'px',
- top: top+'px',
- position: 'absolute',
+ top: top+'px',
zIndex:1000
}).appendTo('#BRtwopageview');
var gutter = middle + this.gutterOffsetForIndex(newIndexL);
this.leafEdgeTmp = document.createElement('div');
+ this.leafEdgeTmp.className = 'BRleafEdgeTmp';
$(this.leafEdgeTmp).css({
- background: 'transparent url(back_pages.png) repeat scroll 0% 0%',
width: leafEdgeTmpW + 'px',
- height: this.twoPage.height-1 + 'px',
+ height: this.twoPage.height + 'px',
left: gutter+scaledW+'px',
top: top+'px',
- position: 'absolute',
zIndex:1000
}).appendTo('#BRtwopageview');
// setMouseHandlers2UP
//______________________________________________________________________________
BookReader.prototype.setMouseHandlers2UP = function() {
- /*
- $(this.prefetchedImgs[this.twoPage.currentIndexL]).bind('dblclick', function() {
- //self.prevPage();
- self.autoStop();
- self.left();
- });
- $(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();
+ e.preventDefault();
}
);
- this.setDragHandler2UP( this.prefetchedImgs[this.twoPage.currentIndexR] );
this.setClickHandler2UP( this.prefetchedImgs[this.twoPage.currentIndexR],
{ self: this },
function(e) {
e.data.self.right();
+ e.preventDefault();
}
);
}
if (loadImage) {
//console.log('prefetching ' + index);
var img = document.createElement("img");
+ img.className = 'BRpageimage';
+ if (index < 0 || index > (this.numLeafs - 1) ) {
+ // Facing page at beginning or end, or beyond
+ $(img).css({
+ 'background-color': 'transparent'
+ });
+ }
img.src = pageURI;
img.uri = pageURI; // browser may rewrite src so we stash raw URI here
this.prefetchedImgs[index] = img;
top: top+'px',
height: this.twoPage.height,
width: scaledW+'px',
- backgroundColor: this.getPageBackgroundColor(prevL),
+ borderRight: '1px solid black', // XXXmang check
zIndex: 1
}
right: '',
top: top+'px',
height: this.twoPage.height,
+ borderLeft: '1px solid black', // XXXmang check
width: '0',
- backgroundColor: this.getPageBackgroundColor(prevR),
zIndex: 2
}
position: 'absolute',
left: gutter+'px',
top: top+'px',
- backgroundColor: this.getPageBackgroundColor(nextR),
height: this.twoPage.height,
width: scaledW+'px',
zIndex: 1
position: 'absolute',
right: $('#BRtwopageview').attr('clientWidth')-gutter+'px',
top: top+'px',
- backgroundColor: this.getPageBackgroundColor(nextL),
height: this.twoPage.height,
width: 0+'px', // Start at 0 width, then grow to the left
zIndex: 2
//______________________________________________________________________________
BookReader.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");
- $(this.printPopup).css({
- position: 'absolute',
- top: '20px',
- left: ($('#BRcontainer').width()-400)/2 + 'px',
- width: '400px',
- padding: "20px",
- border: "3px double #999999",
- zIndex: 3,
- backgroundColor: "#fff"
- }).appendTo('#BookReader');
-
- 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="BRicon book_up" onclick="br.updatePrintFrame(-1); return false;"></button> ';
- //htmlStr += '<button class="BRicon book_down" onclick="br.updatePrintFrame(1); return false;"></button>';
- htmlStr += '<a href="#" onclick="br.updatePrintFrame(-1); return false;">Prev</a> <a href="#" onclick="br.updatePrintFrame(1); return false;">Next</a>';
- htmlStr += '</p>';
- htmlStr += '</div>';
- htmlStr += '<p style="text-align:center;"><a href="" onclick="br.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 = BookReader.util.getIFrameDocument(this);
- $('body', doc).html(self.getPrintFrameContent(self.indexToPrint));
- });
-
- $('#printDiv').prepend(iframe);
- */
}
// Get print URI from current indices and mode
indexToPrint = this.firstIndex; // $$$ the index in the middle of the viewport would make more sense
}
- var options = 'id=' + this.bookId + '&server=' + this.server + '&zip=' + this.zip
+ var options = 'id=' + this.subPrefix + '&server=' + this.server + '&zip=' + this.zip
+ '&format=' + this.imageFormat + '&file=' + this._getPageFile(indexToPrint)
+ '&width=' + this._getPageWidth(indexToPrint) + '&height=' + this._getPageHeight(indexToPrint);
// Change to autofit if book is too large
if (this.reduce < this.twoPageGetAutofitReduce()) {
- this.zoom2up(0);
+ this.zoom2up('auto');
}
var self = this;
}
}
+// initNavbar
+//______________________________________________________________________________
+// Initialize the navigation bar.
+// $$$ this could also add the base elements to the DOM, so disabling the nav bar
+// could be as simple as not calling this function
+BookReader.prototype.initNavbar = function() {
+ // Setup nav / chapter / search results bar
+ $('.chapter').bt({
+ contentSelector: '$(this).find(".title")',
+ trigger: 'hover',
+ closeWhenOthersOpen: true,
+ cssStyles: {
+ backgroundColor: '#000',
+ border: '2px solid #e2dcc5',
+ borderBottom: 'none',
+ padding: '5px 10px',
+ fontFamily: '"Arial", sans-serif',
+ fontSize: '11px',
+ fontWeight: '700',
+ color: '#fff',
+ whiteSpace: 'nowrap'
+ },
+ shrinkToFit: true,
+ width: '200px',
+ padding: 0,
+ spikeGirth: 0,
+ spikeLength: 0,
+ overlap: '16px',
+ overlay: false,
+ killTitle: true,
+ textzIndex: 9999,
+ boxzIndex: 9998,
+ wrapperzIndex: 9997,
+ offsetParent: null,
+ positions: ['top'],
+ fill: 'black',
+ windowMargin: 10,
+ strokeWidth: 0,
+ cornerRadius: 0,
+ centerPointX: 0,
+ centerPointY: 0,
+ shadow: false
+ });
+ $('.search').bt({
+ contentSelector: '$(this).find(".query")',
+ trigger: 'click',
+ closeWhenOthersOpen: true,
+ cssStyles: {
+ padding: '10px 10px 15px',
+ backgroundColor: '#fff',
+ border: '3px solid #e2dcc5',
+ borderBottom: 'none',
+ fontFamily: '"Lucida Grande","Arial",sans-serif',
+ fontSize: '12px',
+ lineHeight: '18px',
+ color: '#615132'
+ },
+ shrinkToFit: false,
+ width: '230px',
+ padding: 0,
+ spikeGirth: 0,
+ spikeLength: 0,
+ overlap: '10px',
+ overlay: false,
+ killTitle: false,
+ textzIndex: 9999,
+ boxzIndex: 9998,
+ wrapperzIndex: 9997,
+ offsetParent: null,
+ positions: ['top'],
+ fill: 'white',
+ windowMargin: 10,
+ strokeWidth: 3,
+ strokeStyle: '#e2dcc5',
+ cornerRadius: 0,
+ centerPointX: 0,
+ centerPointY: 0,
+ shadow: false
+ });
+ $('.searchChap').bt({
+ contentSelector: '$(this).find(".query")',
+ trigger: 'click',
+ closeWhenOthersOpen: true,
+ cssStyles: {
+ width: '250px',
+ padding: '10px 10px 15px',
+ backgroundColor: '#fff',
+ border: '3px solid #e2dcc5',
+ borderBottom: 'none',
+ fontFamily: '"Lucida Grande","Arial",sans-serif',
+ fontSize: '12px',
+ lineHeight: '18px',
+ color: '#615132'
+ },
+ shrinkToFit: false,
+ width: '230px',
+ padding: 0,
+ spikeGirth: 0,
+ spikeLength: 0,
+ overlap: '10px',
+ overlay: false,
+ killTitle: true,
+ textzIndex: 9999,
+ boxzIndex: 9998,
+ wrapperzIndex: 9997,
+ offsetParent: null,
+ positions: ['top'],
+ fill: 'white',
+ windowMargin: 10,
+ strokeWidth: 3,
+ strokeStyle: '#e2dcc5',
+ cornerRadius: 0,
+ centerPointX: 0,
+ centerPointY: 0,
+ shadow: false
+ });
+ $('.chapter').each(function(){
+ $(this).hover(function(){
+ $(this).addClass('front');
+ },function(){
+ $(this).removeClass('front');
+ });
+ });
+ $('.search').each(function(){
+ $(this).hover(function(){
+ $(this).addClass('front');
+ },function(){
+ $(this).removeClass('front');
+ });
+ });
+ $('.searchChap').each(function(){
+ $(this).hover(function(){
+ $(this).addClass('front');
+ },function(){
+ $(this).removeClass('front');
+ });
+ });
+ $("#BRslider").draggable({axis:'x',containment:'parent'});
+}
+
BookReader.prototype.initToolbar = function(mode, ui) {
$("body").append("<div id='BRtoolbar'>"
- + "<span id='BRtoolbarbuttons' style='float:right;'>"
- + "<button class='BRicon bookmark modal'></button>"
- + "<button class='BRicon link modal'></button>"
- + "<button class='BRicon embed modal'></button>"
+ + "<span id='BRtoolbarbuttons'>"
+ /* XXXmang integrate search */
+ + "<form method='get' id='booksearch'><input type='search' id='textSrch' name='textSrch' val='' placeholder='Search inside'/><button type='submit' id='btnSrch' name='btnSrch'>GO</button></form>"
+ + "<button class='BRicon info' onclick='br.switchMode(3); return false;'></button>"
+ + "<button class='BRicon share' onclick='br.switchMode(2); return false;'></button>"
+ "<button class='BRicon read modal'></button>"
+ "<button class='BRicon full'></button>"
-// + "<div class='BRtoolbarmode2' style='display: none'><button class='BRicon book_leftmost'></button><button class='BRicon book_left'></button><button class='BRicon book_right'></button><button class='BRicon book_rightmost'></button></div>"
-// + "<div class='BRtoolbarmode1' style='display: none'><button class='BRicon book_top'></button><button class='BRicon book_up'></button> <button class='BRicon book_down'></button><button class='BRicon book_bottom'></button></div>"
-// + "<div class='BRtoolbarmode3' style='display: none'><button class='BRicon book_top'></button><button class='BRicon book_up'></button> <button class='BRicon book_down'></button><button class='BRicon book_bottom'></button></div>"
-// + "<button class='BRicon play'></button><button class='BRicon pause' style='display: none'></button>"
+ "</span>"
+ "<span>"
+ "<a class='logo' href='" + this.logoURL + "'></a>"
- + "<button class='BRicon glass'></button>"
- + "<form method='get' id='booksearch'><input type='search' id='textSrch' name='textSrch' val='' placeholder='Search'/><button type='submit' id='btnSrch' name='btnSrch'>GO</button></form>"
- + "<button class='BRicon fit'></button>"
- + "<button class='BRicon thumb' onclick='br.switchMode(3); return false;'></button>"
- + "<button class='BRicon twopg' onclick='br.switchMode(2); return false;'></button>"
+ + "<div id='BRreturn'><span>Back to</span><a href='BOOK URL'>Book Title</a></div>"
+ "</span>"
+ "</div>");
this.updateToolbarZoom(this.reduce); // Pretty format
- if (ui == "embed") {
+ if (ui == "embed" || ui == "touch") {
$("#BookReader a.logo").attr("target","_blank");
}
// Hide mode buttons and autoplay if 2up is not available
// $$$ if we end up with more than two modes we should show the applicable buttons
if ( !this.canSwitchToMode(this.constMode2up) ) {
- jToolbar.find('.one_page_mode, .two_page_mode, .play, .pause').hide();
+ jToolbar.find('.two_page_mode, .play, .pause').hide();
+ }
+ if ( !this.canSwitchToMode(this.constModeThumb) ) {
+ jToolbar.find('.thumbnail_mode').hide();
+ }
+
+ // Hide one page button if it is the only mode available
+ if ( ! (this.canSwitchToMode(this.constMode2up) || this.canSwitchToMode(this.constModeThumb)) ) {
+ jToolbar.find('.one_page_mode').hide();
}
// Switch to requested mode -- binds other click handlers
return false;
});
- jToolbar.find('.book_up').click(function(e) {
- if ($.inArray(self.mode, [self.constMode2up, self.constModeThumb]) >= 0) {
+ jToolbar.find('.book_up').bind('click', function(e) {
+ if ($.inArray(self.mode, [self.constMode1up, self.constModeThumb]) >= 0) {
self.scrollUp();
} else {
self.prev();
return false;
});
- jToolbar.find('.book_down').click(function(e) {
- if ($.inArray(self.mode, [self.constMode2up, self.constModeThumb]) >= 0) {
+ jToolbar.find('.book_down').bind('click', function(e) {
+ if ($.inArray(self.mode, [self.constMode1up, self.constModeThumb]) >= 0) {
self.scrollDown();
} else {
self.next();
// Update the displayed zoom factor based on reduction factor
BookReader.prototype.updateToolbarZoom = function(reduce) {
var value;
- if (this.constMode2up == this.mode && this.twoPage.autofit) {
- value = 'Auto';
+ var autofit = null;
+
+ // $$$ TODO preserve zoom/fit for each mode
+ if (this.mode == this.constMode2up) {
+ autofit = this.twoPage.autofit;
+ } else {
+ autofit = this.onePage.autofit;
+ }
+
+ if (autofit) {
+ value = autofit.slice(0,1).toUpperCase() + autofit.slice(1);
} else {
value = (100 / reduce).toFixed(2);
// Strip trailing zeroes and decimal if all zeroes
$('#BRzoom').text(value);
}
+// bindNavigationHandlers
+//______________________________________________________________________________
+// Bind navigation handlers
+BookReader.prototype.bindNavigationHandlers = function() {
+ $('#BookReader').die('mousemove.navigation').live('mousemove.navigation',
+ { 'br': this },
+ this.navigationMousemoveHandler
+ );
+}
+
+// unbindNavigationHandlers
+//______________________________________________________________________________
+// Unbind navigation handlers
+BookReader.prototype.unbindNavigationHandlers = function() {
+ $('#BookReader').die('mousemove.navigation');
+}
+
+// navigationMousemoveHandler
+//______________________________________________________________________________
+// Handle mousemove related to navigation. Bind at #BookReader level to allow autohide.
+BookReader.prototype.navigationMousemoveHandler = function(event) {
+ // $$$ possibly not great to be calling this for every mousemove
+ var navkey = $(document).height() - 75;
+ if ((event.pageY < 76) || (event.pageY > navkey)) {
+ // inside or near navigation elements
+ event.data['br'].hideNavigation();
+ } else {
+ event.data['br'].showNavigation();
+ }
+}
+
+// navigationIsVisible
+//______________________________________________________________________________
+// Returns true if the navigation elements are currently visible
+BookReader.prototype.navigationIsVisible = function() {
+ // $$$ doesn't account for transitioning states, nav must be fully visible to return true
+ var toolpos = $('#BRtoolbar').offset();
+ var tooltop = toolpos.top;
+ if (tooltop == 0) {
+ return true;
+ }
+ return false;
+}
+
+// hideNavigation
+//______________________________________________________________________________
+// Hide navigation elements, if visible
+BookReader.prototype.hideNavigation = function() {
+ // Check if navigation is showing
+ if (this.navigationIsVisible()) {
+ // $$$ don't hardcode height
+ $('#BRtoolbar').animate({top:-60});
+ $('#BRnav').animate({bottom:-60});
+ }
+}
+
+// showNavigation
+//______________________________________________________________________________
+// Show navigation elements
+BookReader.prototype.showNavigation = function() {
+ // Check if navigation is hidden
+ if (!this.navigationIsVisible()) {
+ $('#BRtoolbar').animate({top:0});
+ $('#BRnav').animate({bottom:0});
+ }
+}
+
// firstDisplayableIndex
//______________________________________________________________________________
// Returns the index of the first visible page, dependent on the mode.
//________
// Returns true if we can switch to the requested mode
BookReader.prototype.canSwitchToMode = function(mode) {
- if (mode == this.constMode2up) {
+ if (mode == this.constMode2up || mode == this.constModeThumb) {
// check there are enough pages to display
// $$$ this is a workaround for the mis-feature that we can't display
// short books in 2up mode
- if (this.numLeafs < 6) {
+ if (this.numLeafs < 2) {
return false;
}
}
return false;
}
-// getPageBackgroundColor
-//--------
-// Returns a CSS property string for the background color for the given page
-// $$$ turn into regular CSS?
-BookReader.prototype.getPageBackgroundColor = function(index) {
- if (index >= 0 && index < this.numLeafs) {
- // normal page
- return this.pageDefaultBackgroundColor;
- }
-
- return '';
-}
-
// _getPageWidth
//--------
// Returns the page width for the given index, or first or last page if out of range