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https://github.com/apache/cordova-android.git
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Changing File Behaviour to sync with iPhone
This commit is contained in:
Brock Whitten
parent
2fa78679cb
commit
9c0259c2c1
@ -1,109 +1,241 @@
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/**
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* This class provides generic read and write access to the mobile device file system.
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*/
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function File() {
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/**
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* The data of a file.
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*/
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this.data = "";
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/**
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* The name of the file.
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*/
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this.name = "";
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}
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PhoneGap.addConstructor(function() { if (typeof navigator.fileMgr == "undefined") navigator.fileMgr = new FileMgr();});
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/**
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* Reads a file from the mobile device. This function is asyncronous.
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* @param {String} fileName The name (including the path) to the file on the mobile device.
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* The file name will likely be device dependent.
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* @param {Function} successCallback The function to call when the file is successfully read.
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* @param {Function} errorCallback The function to call when there is an error reading the file from the device.
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* This class provides iPhone read and write access to the mobile device file system.
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* Based loosely on http://www.w3.org/TR/2009/WD-FileAPI-20091117/#dfn-empty
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*/
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File.prototype.read = function(fileName, successCallback, errorCallback) {
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function FileMgr()
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{
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this.fileWriters = {}; // empty maps
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this.fileReaders = {};
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this.docsFolderPath = "../../Documents";
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this.tempFolderPath = "../../tmp";
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this.freeDiskSpace = -1;
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this.getFileBasePaths();
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this.getFreeDiskSpace();
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}
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/**
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* Writes a file to the mobile device.
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* @param {File} file The file to write to the device.
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// private, called from Native Code
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FileMgr.prototype._setPaths = function(docs,temp)
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{
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this.docsFolderPath = docs;
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this.tempFolderPath = temp;
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}
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// private, called from Native Code
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FileMgr.prototype._setFreeDiskSpace = function(val)
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{
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this.freeDiskSpace = val;
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}
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// FileWriters add/remove
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// called internally by writers
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FileMgr.prototype.addFileWriter = function(filePath,fileWriter)
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{
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this.fileWriters[filePath] = fileWriter;
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}
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FileMgr.prototype.removeFileWriter = function(filePath)
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{
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this.fileWriters[filePath] = null;
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}
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// File readers add/remove
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// called internally by readers
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FileMgr.prototype.addFileReader = function(filePath,fileReader)
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{
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this.fileReaders[filePath] = fileReader;
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}
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FileMgr.prototype.removeFileReader = function(filePath)
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{
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this.fileReaders[filePath] = null;
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}
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/*******************************************
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*
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* private reader callback delegation
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* called from native code
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*/
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File.prototype.write = function(file) {
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}
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PhoneGap.addConstructor(function() {
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if (typeof navigator.file == "undefined") navigator.file = new File();
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});
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File.prototype.read = function(fileName, successCallback, errorCallback) {
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this.failCallback = errorCallback;
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this.winCallback = successCallback;
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return FileUtil.read(fileName);
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}
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File.prototype.hasRead = function(data)
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FileMgr.prototype.reader_onloadstart = function(filePath,result)
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{
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if(data.substr("FAIL"))
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this.failCallback(data);
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else
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this.winCallback(data);
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this.fileReaders[filePath].onloadstart(result);
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}
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/**
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* Writes a file to the mobile device.
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* @param {File} file The file to write to the device.
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*/
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File.prototype.write = function(file, str, mode, successCallback, failCallback) {
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this.winCallback = successCallback;
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this.failCallback = failCallback;
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var call = FileUtil.write(file, str, mode);
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}
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File.prototype.testFileExists = function(file, successCallback, failCallback)
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FileMgr.prototype.reader_onprogress = function(filePath,result)
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{
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var exists = FileUtil.testFileExists(file);
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if(exists)
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successCallback();
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else
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failCallback();
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return exists;
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this.fileReaders[filePath].onprogress(result);
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}
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File.prototype.testDirectoryExists = function(file, successCallback, failCallback)
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FileMgr.prototype.reader_onload = function(filePath,result)
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{
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var exists = FileUtil.testDirectoryExists(file);
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if(exists)
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successCallback();
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else
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failCallback();
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return exists;
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this.fileReaders[filePath].result = unescape(result);
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this.fileReaders[filePath].onload(this.fileReaders[filePath].result);
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}
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File.prototype.createDirectory = function(dir, successCallback, failCallback)
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FileMgr.prototype.reader_onerror = function(filePath,err)
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{
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var good = FileUtils.createDirectory(dir);
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good ? successCallback() : failCallback();
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this.fileReaders[filePath].result = err;
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this.fileReaders[filePath].onerror(err);
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}
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File.prototype.deleteDirectory = function(dir, successCallback, failCallback)
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FileMgr.prototype.reader_onloadend = function(filePath,result)
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{
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var good = FileUtils.deleteDirectory(dir);
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good ? successCallback() : failCallback();
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this.fileReaders[filePath].onloadend(result);
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}
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File.prototype.deleteFile = function(dir, successCallback, failCallback)
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/*******************************************
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*
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* private writer callback delegation
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* called from native code
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*/
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FileMgr.prototype.writer_onerror = function(filePath,err)
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{
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var good = FileUtils.deleteFile(dir);
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good ? successCallback() : failCallback();
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this.fileWriters[filePath].onerror(err);
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}
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File.prototype.getFreeDiskSpace = function(successCallback, failCallback)
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FileMgr.prototype.writer_oncomplete = function(filePath,result)
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{
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var diskSpace = FileUtils.getFreeDiskSpace();
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if(diskSpace > 0)
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successCallback();
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else
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failCallback();
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return diskSpace;
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this.fileWriters[filePath].oncomplete(result); // result contains bytes written
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}
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FileMgr.prototype.getFileBasePaths = function()
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{
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//PhoneGap.exec("File.getFileBasePaths");
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}
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FileMgr.prototype.testFileExists = function(fileName, successCallback, errorCallback)
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{
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var test = FileUtil.testFileExists(fileName);
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test ? successCallback() : errorCallback();
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}
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FileMgr.prototype.testDirectoryExists = function(dirName, successCallback, errorCallback)
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{
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this.successCallback = successCallback;
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this.errorCallback = errorCallback;
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var test = FileUtil.testDirectoryExists(dirName);
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test ? successCallback() : errorCallback();
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}
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FileMgr.prototype.createDirectory = function(dirName, successCallback, errorCallback)
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{
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this.successCallback = successCallback;
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this.errorCallback = errorCallback;
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var test = FileUtils.createDirectory(dirName);
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test ? successCallback() : errorCallback();
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}
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FileMgr.prototype.deleteDirectory = function(dirName, successCallback, errorCallback)
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{
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this.successCallback = successCallback;
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this.errorCallback = errorCallback;
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var test = FileUtils.deleteDirectory(dirName);
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test ? successCallback() : errorCallback();
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}
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FileMgr.prototype.deleteFile = function(fileName, successCallback, errorCallback)
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{
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this.successCallback = successCallback;
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this.errorCallback = errorCallback;
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FileUtils.deleteFile(fileName);
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test ? successCallback() : errorCallback();
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}
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FileMgr.prototype.getFreeDiskSpace = function(successCallback, errorCallback)
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{
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if(this.freeDiskSpace > 0)
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{
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return this.freeDiskSpace;
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}
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else
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{
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this.successCallback = successCallback;
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this.errorCallback = errorCallback;
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this.freeDiskSpace = FileUtils.getFreeDiskSpace();
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(this.freeDiskSpace > 0) ? successCallback() : errorCallback();
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}
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}
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// File Reader
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function FileReader()
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{
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this.fileName = "";
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this.result = null;
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this.onloadstart = null;
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this.onprogress = null;
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this.onload = null;
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this.onerror = null;
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this.onloadend = null;
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}
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FileReader.prototype.abort = function()
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{
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// Not Implemented
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}
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FileReader.prototype.readAsText = function(file)
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{
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if(this.fileName && this.fileName.length > 0)
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{
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navigator.fileMgr.removeFileReader(this.fileName,this);
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}
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this.fileName = file;
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navigator.fileMgr.addFileReader(this.fileName,this);
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//alert("Calling File.read : " + this.fileName);
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//window.location = "gap://File.readFile/"+ file;
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this.onerror = errorCallback;
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this.oncomplete = successCallback;
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return FileUtil.read(fileName);
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}
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FileReader.prototype.hasRead(data)
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{
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}
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// File Writer
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function FileWriter()
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{
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this.fileName = "";
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this.result = null;
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this.readyState = 0; // EMPTY
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this.result = null;
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this.onerror = null;
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this.oncomplete = null;
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}
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FileWriter.prototype.writeAsText = function(file,text,bAppend)
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{
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if(this.fileName && this.fileName.length > 0)
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{
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navigator.fileMgr.removeFileWriter(this.fileName,this);
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}
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this.fileName = file;
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if(bAppend != true)
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{
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bAppend = false; // for null values
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}
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navigator.fileMgr.addFileWriter(file,this);
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this.readyState = 0; // EMPTY
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var call = FileUtil.write(file, text, bAppend);
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this.result = null;
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}
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@ -97,7 +97,7 @@ public class FileUtils {
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data = "FAIL: IO ERROR";
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}
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mView.loadUrl("javascript:navigator.file.hasRead('" + data + "')");
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mView.loadUrl("javascript:navigator.FileReader.hasRead('" + data + "')");
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return data;
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}
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@ -113,9 +113,9 @@ public class FileUtils {
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out.write(buff, 0, rawData.length);
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out.flush();
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out.close();
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mView.loadUrl("javascript:navigator.file.winCallback('File written')");
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mView.loadUrl("javascript:navigator.file.onsuccess('File written')");
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} catch (Exception e) {
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mView.loadUrl("javascript:navigator.file.failCallback('Fail')");
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mView.loadUrl("javascript:navigator.file.onerror('Fail')");
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}
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return 0;
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}
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