69 lines
10 KiB
JavaScript
69 lines
10 KiB
JavaScript
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(function(){if(window.google&&google.gears)
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return;var F=null;if(typeof GearsFactory!='undefined'){F=new GearsFactory();}else{try{F=new ActiveXObject('Gears.Factory');if(F.getBuildInfo().indexOf('ie_mobile')!=-1)
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F.privateSetGlobalObject(this);}catch(e){if((typeof navigator.mimeTypes!='undefined')&&navigator.mimeTypes["application/x-googlegears"]){F=document.createElement("object");F.style.display="none";F.width=0;F.height=0;F.type="application/x-googlegears";document.documentElement.appendChild(F);}}}
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if(!F)
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return;if(!window.google)
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google={};if(!google.gears)
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google.gears={factory:F};})();Persist=(function(){var VERSION='0.2.0',P,B,esc,init,empty,ec;ec=(function(){var EPOCH='Thu, 01-Jan-1970 00:00:01 GMT',RATIO=1000*60*60*24,KEYS=['expires','path','domain'],esc=escape,un=unescape,doc=document,me;var get_now=function(){var r=new Date();r.setTime(r.getTime());return r;}
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var cookify=function(c_key,c_val){var i,key,val,r=[],opt=(arguments.length>2)?arguments[2]:{};r.push(esc(c_key)+'='+esc(c_val));for(i=0;i<KEYS.length;i++){key=KEYS[i];if(val=opt[key])
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r.push(key+'='+val);}
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if(opt.secure)
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r.push('secure');return r.join('; ');}
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var alive=function(){var k='__EC_TEST__',v=new Date();v=v.toGMTString();this.set(k,v);this.enabled=(this.remove(k)==v);return this.enabled;}
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me={set:function(key,val){var opt=(arguments.length>2)?arguments[2]:{},now=get_now(),expire_at,cfg={};if(opt.expires){opt.expires*=RATIO;cfg.expires=new Date(now.getTime()+opt.expires);cfg.expires=cfg.expires.toGMTString();}
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var keys=['path','domain','secure'];for(i=0;i<keys.length;i++)
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if(opt[keys[i]])
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cfg[keys[i]]=opt[keys[i]];var r=cookify(key,val,cfg);doc.cookie=r;return val;},has:function(key){key=esc(key);var c=doc.cookie,ofs=c.indexOf(key+'='),len=ofs+key.length+1,sub=c.substring(0,key.length);return((!ofs&&key!=sub)||ofs<0)?false:true;},get:function(key){key=esc(key);var c=doc.cookie,ofs=c.indexOf(key+'='),len=ofs+key.length+1,sub=c.substring(0,key.length),end;if((!ofs&&key!=sub)||ofs<0)
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return null;end=c.indexOf(';',len);if(end<0)
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end=c.length;return un(c.substring(len,end));},remove:function(k){var r=me.get(k),opt={expires:EPOCH};doc.cookie=cookify(k,'',opt);return r;},keys:function(){var c=doc.cookie,ps=c.split('; '),i,p,r=[];for(i=0;i<ps.length;i++){p=ps[i].split('=');r.push(un(p[0]));}
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return r;},all:function(){var c=doc.cookie,ps=c.split('; '),i,p,r=[];for(i=0;i<ps.length;i++){p=ps[i].split('=');r.push([un(p[0]),un(p[1])]);}
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return r;},version:'0.2.1',enabled:false};me.enabled=alive.call(me);return me;}());var index_of=(function(){if(Array.prototype.indexOf)
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return function(ary,val){return Array.prototype.indexOf.call(ary,val);};else
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return function(ary,val){var i,l;for(i=0,l=ary.length;i<l;i++)
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if(ary[i]==val)
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return i;return-1;};})();empty=function(){};esc=function(str){return'PS'+str.replace(/_/g,'__').replace(/ /g,'_s');};C={search_order:['localstorage','whatwg_db','globalstorage','gears','ie','flash','cookie'],name_re:/^[a-z][a-z0-9_ -]+$/i,methods:['init','get','set','remove','load','save'],sql:{version:'1',create:"CREATE TABLE IF NOT EXISTS persist_data (k TEXT UNIQUE NOT NULL PRIMARY KEY, v TEXT NOT NULL)",get:"SELECT v FROM persist_data WHERE k = ?",set:"INSERT INTO persist_data(k, v) VALUES (?, ?)",remove:"DELETE FROM persist_data WHERE k = ?"},flash:{div_id:'_persist_flash_wrap',id:'_persist_flash',path:'persist.swf',size:{w:1,h:1},args:{autostart:true}}};B={gears:{size:-1,test:function(){return(window.google&&window.google.gears)?true:false;},methods:{transaction:function(fn){var db=this.db;db.execute('BEGIN').close();fn.call(this,db);db.execute('COMMIT').close();},init:function(){var db;db=this.db=google.gears.factory.create('beta.database');db.open(esc(this.name));db.execute(C.sql.create).close();},get:function(key,fn,scope){var r,sql=C.sql.get;if(!fn)
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return;this.transaction(function(t){var is_valid,val;r=t.execute(sql,[key]);is_valid=r.isValidRow();val=is_valid?r.field(0):null;r.close();fn.call(scope||this,is_valid,val);});},set:function(key,val,fn,scope){var rm_sql=C.sql.remove,sql=C.sql.set,r;this.transaction(function(t){t.execute(rm_sql,[key]).close();t.execute(sql,[key,val]).close();if(fn)
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fn.call(scope||this,true,val);});},remove:function(key,fn,scope){var get_sql=C.sql.get;sql=C.sql.remove,r,val=null,is_valid=false;this.transaction(function(t){if(fn){r=t.execute(get_sql,[key]);is_valid=r.isValidRow();val=is_valid?r.field(0):null;r.close();}
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if(!fn||is_valid){t.execute(sql,[key]).close();}
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if(fn)
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fn.call(scope||this,is_valid,val);});}}},whatwg_db:{size:200*1024,test:function(){var name='PersistJS Test',desc='Persistent database test.';if(!window.openDatabase)
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return false;if(!window.openDatabase(name,C.sql.version,desc,B.whatwg_db.size))
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return false;return true;},methods:{transaction:function(fn){if(!this.db_created){this.db.transaction(function(t){t.executeSql(C.sql.create,[],function(){this.db_created=true;});},empty);}
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this.db.transaction(fn);},init:function(){this.db=openDatabase(this.name,C.sql.version,this.o.about||("Persistent storage for "+this.name),this.o.size||B.whatwg_db.size);},get:function(key,fn,scope){var sql=C.sql.get;if(!fn)
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return;scope=scope||this;this.transaction(function(t){t.executeSql(sql,[key],function(t,r){if(r.rows.length>0)
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fn.call(scope,true,r.rows.item(0)['v']);else
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fn.call(scope,false,null);});});},set:function(key,val,fn,scope){var rm_sql=C.sql.remove,sql=C.sql.set;this.transaction(function(t){t.executeSql(rm_sql,[key],function(){t.executeSql(sql,[key,val],function(t,r){if(fn)
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fn.call(scope||this,true,val);});});});return val;},remove:function(key,fn,scope){var get_sql=C.sql.get;sql=C.sql.remove;this.transaction(function(t){if(fn){t.executeSql(get_sql,[key],function(t,r){if(r.rows.length>0){var val=r.rows.item(0)['v'];t.executeSql(sql,[key],function(t,r){fn.call(scope||this,true,val);});}else{fn.call(scope||this,false,null);}});}else{t.executeSql(sql,[key]);}});}}},globalstorage:{size:5*1024*1024,test:function(){return window.globalStorage?true:false;},methods:{key:function(key){return esc(this.name)+esc(key);},init:function(){this.store=globalStorage[this.o.domain];},get:function(key,fn,scope){key=this.key(key);if(fn)
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fn.call(scope||this,true,this.store.getItem(key));},set:function(key,val,fn,scope){key=this.key(key);this.store.setItem(key,val);if(fn)
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fn.call(scope||this,true,val);},remove:function(key,fn,scope){var val;key=this.key(key);val=this.store[key];this.store.removeItem(key);if(fn)
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fn.call(scope||this,(val!==null),val);}}},localstorage:{size:-1,test:function(){return window.localStorage?true:false;},methods:{key:function(key){return esc(this.name)+esc(key);},init:function(){this.store=localStorage;},get:function(key,fn,scope){key=this.key(key);if(fn)
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fn.call(scope||this,true,this.store.getItem(key));},set:function(key,val,fn,scope){key=this.key(key);this.store.setItem(key,val);if(fn)
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fn.call(scope||this,true,val);},remove:function(key,fn,scope){var val;key=this.key(key);val=this.getItem(key);this.store.removeItem(key);if(fn)
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fn.call(scope||this,(val!==null),val);}}},ie:{prefix:'_persist_data-',size:64*1024,test:function(){return window.ActiveXObject?true:false;},make_userdata:function(id){var el=document.createElement('div');el.id=id;el.style.display='none';el.addBehavior('#default#userdata');document.body.appendChild(el);return el;},methods:{init:function(){var id=B.ie.prefix+esc(this.name);this.el=B.ie.make_userdata(id);if(this.o.defer)
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this.load();},get:function(key,fn,scope){var val;key=esc(key);if(!this.o.defer)
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this.load();val=this.el.getAttribute(key);if(fn)
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fn.call(scope||this,val?true:false,val);},set:function(key,val,fn,scope){key=esc(key);this.el.setAttribute(key,val);if(!this.o.defer)
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this.save();if(fn)
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fn.call(scope||this,true,val);},remove:function(key,fn,scope){var val;key=esc(key);if(!this.o.defer)
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this.load();val=this.el.getAttribute(key);this.el.removeAttribute(key);if(!this.o.defer)
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this.save();if(fn)
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fn.call(scope||this,val?true:false,val);},load:function(){this.el.load(esc(this.name));},save:function(){this.el.save(esc(this.name));}}},cookie:{delim:':',size:4000,test:function(){return P.Cookie.enabled?true:false;},methods:{key:function(key){return this.name+B.cookie.delim+key;},get:function(key,fn,scope){var val;key=this.key(key);val=ec.get(key);if(fn)
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fn.call(scope||this,val!=null,val);},set:function(key,val,fn,scope){key=this.key(key);ec.set(key,val,this.o);if(fn)
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fn.call(scope||this,true,val);},remove:function(key,fn,scope){var val;key=this.key(key);val=ec.remove(key)
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if(fn)
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fn.call(scope||this,val!=null,val);}}},flash:{test:function(){if(typeof deconcept=="undefined"||!deconcept||!deconcept.SWFObjectUtil)
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return false;var major=deconcept.SWFObjectUtil.getPlayerVersion().major;return(major>=8)?true:false;},methods:{init:function(){if(!B.flash.el){var o,key,el,cfg=C.flash;el=document.createElement('div');el.id=cfg.div_id;document.body.appendChild(el);o=new deconcept.SWFObject(this.o.swf_path||cfg.path,cfg.id,cfg.size.w,cfg.size.h,'8');for(key in cfg.args)
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o.addVariable(key,cfg.args[key]);o.write(el);B.flash.el=document.getElementById(cfg.id);}
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this.el=B.flash.el;},get:function(key,fn,scope){var val;key=esc(key);val=this.el.get(this.name,key);if(fn)
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fn.call(scope||this,val!==null,val);},set:function(key,val,fn,scope){var old_val;key=esc(key);old_val=this.el.set(this.name,key,val);if(fn)
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fn.call(scope||this,true,val);},remove:function(key,fn,scope){var val;key=esc(key);val=this.el.remove(this.name,key);if(fn)
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fn.call(scope||this,true,val);}}}};var init=function(){var i,l,b,key,fns=C.methods,keys=C.search_order;for(i=0,l=fns.length;i<l;i++)
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P.Store.prototype[fns[i]]=empty;P.type=null;P.size=-1;for(i=0,l=keys.length;!P.type&&i<l;i++){b=B[keys[i]];if(b.test()){P.type=keys[i];P.size=b.size;for(key in b.methods)
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P.Store.prototype[key]=b.methods[key];}}
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P._init=true;};P={VERSION:VERSION,type:null,size:0,add:function(o){B[o.id]=o;C.search_order=[o.id].concat(C.search_order);init();},remove:function(id){var ofs=index_of(C.search_order,id);if(ofs<0)
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return;C.search_order.splice(ofs,1);delete B[id];init();},Cookie:ec,Store:function(name,o){if(!C.name_re.exec(name))
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throw new Error("Invalid name");if(!P.type)
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throw new Error("No suitable storage found");o=o||{};this.name=name;o.domain=o.domain||location.host||'localhost';o.domain=o.domain.replace(/:\d+$/,'')
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this.o=o;o.expires=o.expires||365*2;o.path=o.path||'/';this.init();}};init();return P;})();
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