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added hard threshold to partial ribbon update (screen width from the edge)...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2014-11-25 16:58:08 +03:00
parent 8b4eb8f4e9
commit 78b66c4710
1 changed files with 14 additions and 2 deletions
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16
ui (gen4)/viewer.js
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@ -589,6 +589,7 @@ actions.Actions({
// grouping...
// XXX need to tell .images about this...
group: ['Group images',
function(gids, group){ this.data.group(gids, group) }],
ungroup: ['Ungroup images',
@ -1238,6 +1239,10 @@ module.Features = Object.create(FeatureSet)
// XXX try a strategy: load more in the direction of movement by an offset...
// XXX updateRibbon(..) is not signature compatible with data.updateRibbon(..)
var PartialRibbonsActions = actions.Actions({
// NOTE: this will force sync resize if one of the following is true:
// - the target is not loaded
// - we are less that screen width from the edge
// - threshold is set to 0
// XXX this is not signature compatible with data.updateRibbon(..)
updateRibbon: ['Update partial ribbon size',
function(target, w, size, threshold){
@ -1269,8 +1274,15 @@ var PartialRibbonsActions = actions.Actions({
var pa = this.data.getImages(target, size, 'before').length - 1
// do the update...
// the target is not loaded...
if(threshold == 0 || this.ribbons.getImage(target).length == 0){
// no threshold beans force load...
if(threshold == 0
// the target is not loaded...
|| this.ribbons.getImage(target).length == 0
// passed hard threshold on the right...
|| (nl < w && na > nl)
// passed hard threshold on the left...
|| (pl < w && pa > pl)){
this.resizeRibbon(target, size)
// do a late resize...