// 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: 10, // Width of cover
coverExternalPadding: 10, // Padding outside of cover
bookSpineDivWidth: 30, // 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;
};
$("#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 = [];
left: this.twoPage.gutter-this.twoPage.scaledWL+'px',
right: '',
top: top+'px',
- backgroundColor: this.getPageBackgroundColor(indexL),
height: this.twoPage.height +'px', // $$$ height forced the same for both pages
width: this.twoPage.scaledWL + 'px',
borderRight: '1px solid black',
left: this.twoPage.gutter+'px',
right: '',
top: top+'px',
- backgroundColor: this.getPageBackgroundColor(indexR),
height: this.twoPage.height + 'px', // $$$ height forced the same for both pages
width: this.twoPage.scaledWR + 'px',
borderLeft: '1px solid black',
}
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.autofit = reduceFactor.autofit;
+ this.onePage.autofit = reduceFactor.autofit;
this.pageScale = this.reduce; // preserve current reduce
this.resizePageView();
this.onePageCalculateReductionFactors( $('#BRcontainer').attr('clientWidth'),
$('#BRcontainer').attr('clientHeight') );
// Update current reduce (if in autofit)
- // this.onePageUpdateReduce(); // XXX
+ 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;
// 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].reduce;
+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].reduce);
+ for (var i = 1; i < reductionFactors.length; i++) {
+ newDistance = Math.abs(reduce - reductionFactors[i].reduce);
if (newDistance < distance) {
distance = newDistance;
- quantized = this.reductionFactors[i].reduce;
+ quantized = reductionFactors[i].reduce;
}
}
//______________________________________________________________________________
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);
+ this.reduce = this.quantizeReduce(this.reduce, this.reductionFactors);
this.prepareThumbnailView();
} else {
// $$$ why don't we save autofit?
- this.twoPage.autofit = false; // Take zoom level from other mode
- this.reduce = this.quantizeReduce(this.reduce);
+ this.twoPage.autofit = null; // Take zoom level from other mode
+ this.twoPageCalculateReductionFactors();
+ this.reduce = this.quantizeReduce(this.reduce, this.twoPage.reductionFactors);
this.prepareTwoPageView();
this.twoPageCenterView(0.5, 0.5); // $$$ TODO preserve center
}
visibility: 'visible',
position: 'absolute',
left: this.twoPage.bookCoverDivLeft + 'px',
- top: this.twoPage.bookCoverDivTop+'px',
+ top: this.twoPage.bookCoverDivTop+'px'
}).appendTo('#BRtwopageview');
this.leafEdgeR = document.createElement('div');
width: this.twoPage.leafEdgeWidthR + 'px',
height: this.twoPage.height-1 + 'px',
left: this.twoPage.gutter+this.twoPage.scaledWR+'px',
- top: this.twoPage.bookCoverDivTop+this.twoPage.coverInternalPadding+'px',
+ top: this.twoPage.bookCoverDivTop+this.twoPage.coverInternalPadding+'px'
}).appendTo('#BRtwopageview');
this.leafEdgeL = document.createElement('div');
width: this.twoPage.leafEdgeWidthL + 'px',
height: this.twoPage.height-1 + 'px',
left: this.twoPage.bookCoverDivLeft+this.twoPage.coverInternalPadding+'px',
- top: this.twoPage.bookCoverDivTop+this.twoPage.coverInternalPadding+'px',
+ top: this.twoPage.bookCoverDivTop+this.twoPage.coverInternalPadding+'px'
}).appendTo('#BRtwopageview');
div = document.createElement('div');
this.twoPagePopUp = document.createElement('div');
this.twoPagePopUp.className = 'BRtwoPagePopUp';
$(this.twoPagePopUp).css({
- zIndex: '1000',
+ zIndex: '1000'
}).appendTo('#BRcontainer');
$(this.twoPagePopUp).hide();
}
BookReader.prototype.onePageGetAutofitWidth = function() {
- var widthPadding = 50;
+ var widthPadding = 20;
return (this.getMedianPageSize().width + 0.0) / ($('#BRcontainer').attr('clientWidth') - widthPadding * 2);
}
BookReader.prototype.onePageGetAutofitHeight = function() {
- var heightPadding = 10;
- return (this.getMedianPageSize().height + 0.0) / ($('#BRcontainer').attr('clientHeight') - heightPadding * 2);
+ return (this.getMedianPageSize().height + 0.0) / ($('#BRcontainer').attr('clientHeight') - this.padding * 2); // make sure a little of adjacent pages show
}
BookReader.prototype.getMedianPageSize = function() {
//______________________________________________________________________________
// 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()
//______________________________________________________________________________
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',
zIndex: 1
}
top: top+'px',
height: this.twoPage.height,
width: '0px',
- backgroundColor: this.getPageBackgroundColor(prevR),
borderLeft: '1px solid black',
zIndex: 2
}
position: 'absolute',
left: gutter+'px',
top: top+'px',
- backgroundColor: this.getPageBackgroundColor(nextR),
height: this.twoPage.height,
width: scaledW+'px',
borderLeft: '1px solid black',
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
borderRight: '1px solid black',
//______________________________________________________________________________
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 rollover book_up" onclick="br.updatePrintFrame(-1); return false;"></button> ';
- //htmlStr += '<button class="BRicon rollover 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; // $$$ the index in the middle of the viewport would make more sense
}
- var options = 'id=' + this.bookId + '&server=' + this.server + '&zip=' + this.zip
+ var options = 'id=' + this.subPrefix + '&server=' + this.server + '&zip=' + this.zip
+ '&format=' + this.imageFormat + '&file=' + this._getPageFile(indexToPrint)
+ '&width=' + this._getPageWidth(indexToPrint) + '&height=' + this._getPageHeight(indexToPrint);
});
jToolbar.find('.book_up').bind('click', function(e) {
- if ($.inArray(self.mode, [self.constMode2up, self.constModeThumb]) >= 0) {
+ if ($.inArray(self.mode, [self.constMode1up, self.constModeThumb]) >= 0) {
self.scrollUp();
} else {
self.prev();
});
jToolbar.find('.book_down').bind('click', function(e) {
- if ($.inArray(self.mode, [self.constMode2up, self.constModeThumb]) >= 0) {
+ if ($.inArray(self.mode, [self.constMode1up, self.constModeThumb]) >= 0) {
self.scrollDown();
} else {
self.next();
// Update the displayed zoom factor based on reduction factor
BookReader.prototype.updateToolbarZoom = function(reduce) {
var value;
- if (this.constMode2up == this.mode && this.twoPage.autofit) {
- value = 'Auto';
+ var autofit = null;
+
+ // $$$ 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
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
projects / bookreader.git / blobdiff