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Commit 0779891b by Masaru Abe
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パフォーマンス対応

parent 3853437e
Showing with 273 additions and 0 deletions
abvw/js/contentview_FileSystem.js 0 → 100644
//名前空間用のオブジェクトを用意する
var CONTENTVIEW_FILESYSTEM = {};
$(function () {
//CONTENTVIEW_FILESYSTEM.fs = null;
//window.requestFileSystem = window.requestFileSystem || window.webkitRequestFileSystem;
//// Initiate filesystem on page load.
//if (window.requestFileSystem) {
// CONTENTVIEW_FILESYSTEM.initFS();
//}
});
CONTENTVIEW_FILESYSTEM.initFS = function( func ) {
CONTENTVIEW_FILESYSTEM.fs = null;
window.requestFileSystem = window.requestFileSystem || window.webkitRequestFileSystem;
// Initiate filesystem on page load.
if (!window.requestFileSystem) {
console.log("window.requestFileSystem is null");
if( func != null ){
func();
}
}
window.requestFileSystem(
window.TEMPORARY,
1024*1024,
function(filesystem) {
console.log("initFS window.requestFileSystem");
CONTENTVIEW_FILESYSTEM.fs = filesystem;
CONTENTVIEW_FILESYSTEM.fs.root.getDirectory('abook', {create: true}, null, CONTENTVIEW_FILESYSTEM.errorHandler);
if( func != null ){
func();
}
},
CONTENTVIEW_FILESYSTEM.errorHandler
);
};
CONTENTVIEW_FILESYSTEM.saveFile = function(contentId, fileName, data) {
if (!CONTENTVIEW_FILESYSTEM.fs) {
return;
}
//パス作成
//var path = "/abook/" + contentId + "/" + fileName;
CONTENTVIEW_FILESYSTEM.fs.root.getDirectory(
'/abook/' + contentId,
{create: true},
function(dirEntry) {
CONTENTVIEW_FILESYSTEM.fs.root.getFile(
'/abook/' + contentId + "/" + fileName,
{create: true},
function(fileEntry){
fileEntry.createWriter(
function(fileWriter) {
fileWriter.onwriteend = function(e) {
console.log('書き込み完了');
};
fileWriter.onerror = function(e) {
console.log('書き込みエラー: ' + e.toString());
};
var blobData = new Blob([data], {type:"text/plain"});
fileWriter.write(blobData);
//var bb = new BlobBuilder(); // Note: window.WebKitBlobBuilder in Chrome 12.
//bb.append(data);
//fileWriter.write(bb.getBlob('text/plain'));
}
);
},
CONTENTVIEW_FILESYSTEM.errorHandler
);
},
CONTENTVIEW_FILESYSTEM.errorHandler
);
};
CONTENTVIEW_FILESYSTEM.deleteContentDir = function(contentId) {
if (!CONTENTVIEW_FILESYSTEM.fs) {
console.log('CONTENTVIEW_FILESYSTEM.fs is null. id=' + contentId);
return;
}
CONTENTVIEW_FILESYSTEM.fs.root.getDirectory(
'/abook/' + contentId,
{},
function(dirEntry) {
dirEntry.removeRecursively(
function() {
console.log('Directory removed. id=' + contentId);
},
CONTENTVIEW_FILESYSTEM.errorHandler
);
},
null
);
};
CONTENTVIEW_FILESYSTEM.checkUpdate = function(contentId, data, func) {
if (!CONTENTVIEW_FILESYSTEM.fs) {
console.log('CONTENTVIEW_FILESYSTEM.fs is null. id=' + contentId);
nAjaxLoad++;
func(data);
return;
}
//既にjson.txtが存在するか
var fileName = contentID + "/json.txt";
CONTENTVIEW_FILESYSTEM.fs.root.getFile('/abook/' + fileName, { create: false },
function(fileEntry){
fileEntry.file(
function(file){
var reader = new FileReader();
reader.onloadend = function(e) {
console.log("read Json.txt");
//console.log(e.target.result);
//JSONに戻す
var jsonObjOld = JSON.parse(e.target.result);
//配信日時比較
console.log("OLD:" + jsonObjOld.contentData.lastDeliveryDate)
console.log("NEW:" + data.contentData.lastDeliveryDate)
if( jsonObjOld.contentData.lastDeliveryDate != data.contentData.lastDeliveryDate ){
console.log("違う");
//ディレクトリ消し
CONTENTVIEW_FILESYSTEM.fs.root.getDirectory(
'/abook/' + contentId,
{},
function(dirEntry) {
dirEntry.removeRecursively(
function() {
console.log('Directory removed. id=' + contentId);
//再度書き込み
CONTENTVIEW_FILESYSTEM.fs.root.getDirectory(
'/abook/' + contentId,
{create: true},
function(dirEntry) {
CONTENTVIEW_FILESYSTEM.fs.root.getFile(
'/abook/' + contentId + "/json.txt",
{create: true},
function(fileEntry){
fileEntry.createWriter(
function(fileWriter) {
fileWriter.onwriteend = function(e) {
console.log('JSON書き込み完了');
//ファンクション実行
nAjaxLoad++;
func(data);
};
fileWriter.onerror = function(e) {
console.log('JSON書き込みエラー: ' + e.toString());
};
var blobData = new Blob([window.JSON.stringify(data)], {type:"text/plain"});
fileWriter.write(blobData);
}
);
},
CONTENTVIEW_FILESYSTEM.errorHandler
);
},
CONTENTVIEW_FILESYSTEM.errorHandler
);
},
CONTENTVIEW_FILESYSTEM.errorHandler
);
},
null
);
} else {
nAjaxLoad++;
func(data);
}
};
reader.readAsText(file);
}
);
},
function(err){ // 失敗時のコールバック関数
console.log("NotRead json.txt");
//書き込む
//パス作成
//var path = "/abook/" + contentId + "/" + fileName;
CONTENTVIEW_FILESYSTEM.fs.root.getDirectory(
'/abook/' + contentId,
{create: true},
function(dirEntry) {
CONTENTVIEW_FILESYSTEM.fs.root.getFile(
'/abook/' + contentId + "/json.txt",
{create: true},
function(fileEntry){
fileEntry.createWriter(
function(fileWriter) {
fileWriter.onwriteend = function(e) {
console.log('JSON書き込み完了');
//ファンクション実行
nAjaxLoad++;
func(data);
};
fileWriter.onerror = function(e) {
console.log('JSON書き込みエラー: ' + e.toString());
};
var blobData = new Blob([window.JSON.stringify(data)], {type:"text/plain"});
fileWriter.write(blobData);
}
);
},
CONTENTVIEW_FILESYSTEM.errorHandler
);
},
CONTENTVIEW_FILESYSTEM.errorHandler
);
}
);
}
CONTENTVIEW_FILESYSTEM.errorHandler = function(e) {
var msg = '';
switch (e.code) {
case FileError.QUOTA_EXCEEDED_ERR:
msg = 'QUOTA_EXCEEDED_ERR';
break;
case FileError.NOT_FOUND_ERR:
msg = 'NOT_FOUND_ERR';
break;
case FileError.SECURITY_ERR:
msg = 'SECURITY_ERR';
break;
case FileError.INVALID_MODIFICATION_ERR:
msg = 'INVALID_MODIFICATION_ERR';
break;
case FileError.INVALID_STATE_ERR:
msg = 'INVALID_STATE_ERR';
break;
default:
msg = 'Unknown Error';
break;
};
//CONTENTVIEW_FILESYSTEM.fs = null;
alert('Error: ' + msg);
};
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