mirror of
https://github.com/flynx/ImageGrid.git
synced 2025-10-29 18:30:09 +00:00
374 lines
9.7 KiB
JavaScript
Executable File
374 lines
9.7 KiB
JavaScript
Executable File
/**********************************************************************
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*
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*
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*
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**********************************************************************/
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//var DEBUG = DEBUG != null ? DEBUG : true
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/*********************************************************************/
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// load the target-specific handlers...
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// CEF
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if(window.CEF_dumpJSON != null){
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console.log('CEF mode: loading...')
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var dumpJSON = CEF_dumpJSON
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var listDir = CEF_listDir
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var removeFile = CEF_removeFile
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var runSystem = CEF_runSystem
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// node-webkit
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} else if(window.require != null){
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console.log('node-webkit mode: loading...')
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var fs = require('fs')
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var fse = require('fs.extra')
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var proc = require('child_process')
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var crypto = require('crypto')
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//var exif = require('exif2')
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var gui = require('nw.gui')
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var fp = /file:\/\/\//
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// Things ImageGrid needs...
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// XXX do we need assync versions??
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window.listDir = function(path){
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if(fp.test(path)){
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// XXX will this work on Mac???
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path = path.replace(fp, '')
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}
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return fs.readdirSync(path)
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}
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// XXX make this work across fs...
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// XXX this will not overwrite...
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window.copyFile = function(src, dst){
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var deferred = $.Deferred()
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if(fp.test(src)){
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// XXX will this work on Mac???
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src = src.replace(fp, '')
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}
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if(fp.test(dst)){
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// XXX will this work on Mac???
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dst = dst.replace(fp, '')
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}
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var path = dst.split('/')
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path.pop()
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path = path.join('/')
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// make dirs...
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if(!fs.existsSync(path)){
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console.log('making:', path)
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fse.mkdirRecursiveSync(path)
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}
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if(!fs.existsSync(dst)){
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// NOTE: this is not sync...
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fse.copy(src, dst, function(err){
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if(err){
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deferred.reject(err)
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} else {
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deferred.resolve()
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}
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})
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return deferred
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}
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deferred.notify(dst, 'exists')
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return deferred.resolve()
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}
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window.dumpJSON = function(path, data){
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if(fp.test(path)){
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// XXX will this work on Mac???
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path = path.replace(fp, '')
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}
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var dirs = path.split(/[\\\/]/)
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dirs.pop()
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dirs = dirs.join('/')
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// build path...
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if(!fs.existsSync(dirs)){
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console.log('making:', path)
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fse.mkdirRecursiveSync(path)
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}
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return fs.writeFileSync(path, JSON.stringify(data), encoding='utf8')
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}
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window.removeFile = function(path){
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if(fp.test(path)){
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// XXX will this work on Mac???
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path = path.replace(fp, '')
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}
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return fs.unlinkSync(path)
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}
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window.runSystem = function(path){
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if(fp.test(path)){
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// XXX will this work on Mac???
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path = path.replace(fp, '')
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}
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return proc.exec('"'+path+'"', function(error, stdout, stderr){
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if(error != null){
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console.error(stderr)
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}
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})
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}
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// preview generation...
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//
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// NOTE: this will add already existing previews to IMAGES[gid]...
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//
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// XXX make this not just vips-specific...
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// XXX path handling is a mess...
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window.makeImagePreviews = function(gid, sizes){
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var img = IMAGES[gid]
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var source = normalizePath(img.path)
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var name = gid +' - '+ source.split('/').pop()
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var compression = 90
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var previews = []
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// prepare the sizes we are going to be working with...
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if(sizes == null){
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// XXX get real sizes from config...
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var sizes = [
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150,
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350,
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900
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]
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} else if(typeof(sizes) == typeof(123)){
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sizes = [ sizes ]
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}
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// build usable local path (without 'file:///')...
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var cache_path = normalizePath(CACHE_DIR)
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cache_path = cache_path.replace(fp, '')
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// get cur image size...
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var size_getter = $.Deferred()
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var _i = new Image()
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_i.onload = function(){
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size_getter.resolve(Math.max(parseInt(this.width), parseInt(this.height)))
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}
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_i.src = source
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for(var i=0; i < sizes.length; i++){
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var size = sizes[i]
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// XXX get this from config...
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var target_path = [ cache_path, size+'px' ].join('/')
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var deferred = $.Deferred()
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previews.push(deferred)
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// NOTE: for some magical reason writing this like:
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// (function(...){
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// ...
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// }(...))
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// produces a "undefined is not a function" in part of the
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// invocations, usually the later ones...
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var _f = function(size, target_path, deferred){
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// wait for current image size if needed...
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size_getter.done(function(source_size){
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// skip previews larger than cur image...
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if(fs.existsSync(target_path +'/'+ name) || source_size <= size){
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// see if we know about the preview...
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if(img.preview == null || !((size+'px') in img.preview)){
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var preview_path = [target_path, name].join('/')
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// add the preview to the image object...
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img.preview[size+'px'] = './' + CACHE_DIR +'/'+ preview_path.split(CACHE_DIR).pop()
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// mark image dirty...
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if(IMAGES_UPDATED.indexOf(gid) < 0){
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IMAGES_UPDATED.push(gid)
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}
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}
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//console.log('>>> Preview:', name, '('+size+'): Skipped.')
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deferred.notify(gid, size, 'exists')
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return deferred.resolve()
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}
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// create the directory then go to its content...
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// XXX check for errors...
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fse.mkdirRecursive(target_path, function(err){
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var preview_path = [target_path, name].join('/')
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var factor = source_size / size
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// XXX make this compatible with other image processors...
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var cmd = 'vips im_shrink "$IN" "$OUT:$COMPRESSION" $FACTOR $FACTOR'
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.replace(/\$IN/g, source.replace(fp, ''))
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.replace(/\$OUT/g, preview_path)
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.replace(/\$COMPRESSION/g, compression)
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.replace(/\$FACTOR/g, factor)
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proc.exec(cmd, function(error, stdout, stderr){
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if(error != null){
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//console.error('>>> Error: preview:', stderr)
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deferred.notify(gid, size, 'error', stderr)
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deferred.reject()
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} else {
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//console.log('>>> Preview:', name, '('+size+'): Done.')
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deferred.notify(gid, size, 'done')
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// update the image structure...
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if(!('preview' in img)){
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img.preview = {}
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}
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img.preview[size+'px'] = './' + CACHE_DIR +'/'+ preview_path.split(CACHE_DIR).pop()
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// mark image dirty...
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if(IMAGES_UPDATED.indexOf(gid) < 0){
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IMAGES_UPDATED.push(gid)
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}
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// we are done...
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deferred.resolve()
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}
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})
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})
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})
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}
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// NOTE: wrapping this in a closure saves the specific data that would
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// otherwise be overwritten by the next loop iteration...
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_f(size, target_path, deferred)
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}
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return $.when.apply(null, previews)
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}
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window._PREVIW_CREATE_QUEUE = null
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// XXX is this robust enough???
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// of one deferred hangs or breaks without finalizing this will
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// stall the whole queue...
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// ...need a way to jumpstart it again...
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// XXX check if we are leaking the tail...
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// XXX test progress...
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// ...gets collected but the structure is a tad too complex...
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// NOTE: this will remove the old deferred if it us resolved, thus
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// clearing the "log" of previous operations, unless keep_log
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// is set to true...
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window.makeImagesPreviewsQ = function(gids, keep_log){
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var previews = []
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$.each(gids, function(i, e){
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var deferred = $.Deferred()
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var last = previews[previews.length-1]
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// first in this set -- attach to the queue...
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if(last == null){
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if(_PREVIW_CREATE_QUEUE == null
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|| (!keep_log && _PREVIW_CREATE_QUEUE.state() == 'resolved')){
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// if nothing in queue, start at once...
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last = $.Deferred().resolve()
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} else {
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last = _PREVIW_CREATE_QUEUE
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}
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}
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// append to deffered queue...
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last.always(function(){
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makeImagePreviews(e)
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.progress(function(state){
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deferred.notify(state)
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})
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.always(function(){
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deferred.resolve()
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})
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})
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previews.push(deferred)
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})
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_PREVIW_CREATE_QUEUE = $.when.apply(null, previews)
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return _PREVIW_CREATE_QUEUE
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}
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// XXX should this be sync???
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/*
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window.makeImageGID = function(path, make_text_gid){
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// XXX get exif...
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var artist =
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// format: "20130102-122315"
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var date =
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var name = path.split(/[\\\/]/).pop().split('.')[0]
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var text_gid = artist +'-'+ date +'-'+ name
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if(make_text_gid){
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return text_gid
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}
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var h = crypto.createHash('sha1')
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h.update(text_gid)
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var hex_gid = h.digest('hex')
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return hex_gid
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}
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*/
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// UI-specific...
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window.toggleFullscreenMode = createCSSClassToggler(
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document.body,
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'.full-screen-mode',
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function(action){
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gui.Window.get().toggleFullscreen()
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})
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window.closeWindow = function(){
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gui.Window.get().close()
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}
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window.showDevTools = function(){
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gui.Window.get().showDevTools()
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}
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window.reload = function(){
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gui.Window.get().reload()
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}
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window.setWindowTitle = function(text){
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var title = text +' - '+ APP_NAME
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gui.Window.get().title = title
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$('.title-bar .title').text(title)
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}
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// load UI stuff...
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$(function(){
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$('<div class="title-bar"/>')
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.append($('<div class="title"></div>')
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.text($('title').text()))
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.append($('<div class="button close" onclick="closeWindow()">×</div>'))
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.appendTo($('body'))
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})
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// PhoneGap
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} else if(false){
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console.log('PhoneGap mode: loading...')
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// XXX
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// stubs...
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window.toggleFullscreenMode = function(){}
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window.closeWindow = function(){}
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window.showDevTools = function(){}
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window.reload = function(){}
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// Bare Chrome...
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} else {
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console.log('Chrome mode: loading...')
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// stubs...
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window.toggleFullscreenMode = function(){}
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window.closeWindow = function(){}
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window.showDevTools = function(){}
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window.reload = function(){}
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}
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/**********************************************************************
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* vim:set ts=4 sw=4 : */
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