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Merge pull request #80 from bgilbert/timer-leak

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Fix updateMulti timer leak after multiple Viewer.open() calls. Fixes #76
This commit is contained in:
iangilman 2013-04-29 10:24:03 -07:00
commit 9d864c07b1
2 changed files with 12 additions and 24 deletions
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10
src/strings.js
View File

@ -6,21 +6,13 @@
// pythons gettext might be a reasonable approach.
var I18N = {
Errors: {
Failure: "Sorry, but Seadragon Ajax can't run on your browser!\n" +
"Please try using IE 7 or Firefox 3.\n",
Dzc: "Sorry, we don't support Deep Zoom Collections!",
Dzi: "Hmm, this doesn't appear to be a valid Deep Zoom Image.",
Xml: "Hmm, this doesn't appear to be a valid Deep Zoom Image.",
Empty: "You asked us to open nothing, so we did just that.",
ImageFormat: "Sorry, we don't support {0}-based Deep Zoom Images.",
Security: "It looks like a security restriction stopped us from " +
"loading this Deep Zoom Image.",
Status: "This space unintentionally left blank ({0} {1}).",
Unknown: "Whoops, something inexplicably went wrong. Sorry!"
},
Messages: {
Loading: "Loading..."
Status: "This space unintentionally left blank ({0} {1})."
},
Tooltips: {

26
src/viewer.js
View File

@ -115,8 +115,7 @@ $.Viewer = function( options ) {
THIS[ this.hash ] = {
"fsBoundsDelta": new $.Point( 1, 1 ),
"prevContainerSize": null,
"lastOpenStartTime": 0,
"lastOpenEndTime": 0,
"updateRequestId": null,
"animating": false,
"forceRedraw": false,
"mouseInside": false,
@ -355,7 +354,11 @@ $.extend( $.Viewer.prototype, $.EventHandler.prototype, $.ControlDock.prototype,
* @return {OpenSeadragon.Viewer} Chainable.
*/
close: function ( ) {
if ( THIS[ this.hash ].updateRequestId !== null ){
$.cancelAnimationFrame( THIS[ this.hash ].updateRequestId );
THIS[ this.hash ].updateRequestId = null;
}
if( this.drawer ){
this.drawer.clearOverlays();
}
@ -956,16 +959,6 @@ function openTileSource( viewer, source ) {
_this.close( );
}
// to ignore earlier opens
THIS[ _this.hash ].lastOpenStartTime = +new Date();
window.setTimeout( function () {
if ( THIS[ _this.hash ].lastOpenStartTime > THIS[ _this.hash ].lastOpenEndTime ) {
THIS[ _this.hash ].setMessage( $.getString( "Messages.Loading" ) );
}
}, 2000);
THIS[ _this.hash ].lastOpenEndTime = +new Date();
_this.canvas.innerHTML = "";
THIS[ _this.hash ].prevContainerSize = $.getElementSize( _this.container );
@ -1076,7 +1069,7 @@ function openTileSource( viewer, source ) {
THIS[ _this.hash ].animating = false;
THIS[ _this.hash ].forceRedraw = true;
scheduleUpdate( _this, updateMulti );
THIS[ _this.hash ].updateRequestId = scheduleUpdate( _this, updateMulti );
//Assuming you had programatically created a bunch of overlays
//and added them via configuration
@ -1351,12 +1344,15 @@ function updateMulti( viewer ) {
var beginTime;
if ( !viewer.source ) {
THIS[ viewer.hash ].updateRequestId = null;
return;
}
beginTime = +new Date();
updateOnce( viewer );
scheduleUpdate( viewer, arguments.callee, beginTime );
THIS[ viewer.hash ].updateRequestId = scheduleUpdate( viewer,
arguments.callee, beginTime );
}
function updateOnce( viewer ) {