com.rd11.remote-controls
Version:
iOS lock-screen remote-controls and now playing display.
406 lines (350 loc) • 19.4 kB
JavaScript
/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
/*jshint -W030 */
/*global Windows, WinJS*/
/*global module, require*/
var FTErr = require('./FileTransferError'),
ProgressEvent = require('org.apache.cordova.file.ProgressEvent'),
FileUploadResult = require('org.apache.cordova.file.FileUploadResult'),
FileProxy = require('org.apache.cordova.file.FileProxy'),
FileEntry = require('org.apache.cordova.file.FileEntry');
var appData = Windows.Storage.ApplicationData.current;
// Some private helper functions, hidden by the module
function cordovaPathToNative(path) {
var cleanPath = String(path);
// turn / into \\
cleanPath = cleanPath.replace(/\//g, '\\');
// turn \\ into \
cleanPath = cleanPath.replace(/\\\\/g, '\\');
// strip end \\ characters
cleanPath = cleanPath.replace(/\\+$/g, '');
return cleanPath;
}
function nativePathToCordova(path) {
return String(path).replace(/\\/g, '/');
}
var fileTransferOps = [];
function FileTransferOperation(state, promise) {
this.state = state;
this.promise = promise;
}
FileTransferOperation.PENDING = 0;
FileTransferOperation.DONE = 1;
FileTransferOperation.CANCELLED = 2;
module.exports = {
/*
exec(win, fail, 'FileTransfer', 'upload',
[filePath, server, fileKey, fileName, mimeType, params, trustAllHosts, chunkedMode, headers, this._id, httpMethod]);
*/
upload:function(successCallback, errorCallback, options) {
var filePath = options[0];
var server = options[1];
var fileKey = options[2] || 'source';
var fileName = options[3];
var mimeType = options[4];
var params = options[5];
// var trustAllHosts = options[6]; // todo
// var chunkedMode = options[7]; // todo
var headers = options[8] || {};
var uploadId = options[9];
if (!filePath || (typeof filePath !== 'string')) {
errorCallback(new FTErr(FTErr.FILE_NOT_FOUND_ERR,null,server));
return;
}
if (filePath.substr(0, 8) === "file:///") {
filePath = appData.localFolder.path + filePath.substr(8).split("/").join("\\");
} else if (filePath.indexOf('ms-appdata:///') === 0) {
// Handle 'ms-appdata' scheme
filePath = filePath.replace('ms-appdata:///local', appData.localFolder.path)
.replace('ms-appdata:///temp', appData.temporaryFolder.path);
}
// normalize path separators
filePath = cordovaPathToNative(filePath);
// Create internal download operation object
fileTransferOps[uploadId] = new FileTransferOperation(FileTransferOperation.PENDING, null);
Windows.Storage.StorageFile.getFileFromPathAsync(filePath)
.then(function (storageFile) {
if(!fileName) {
fileName = storageFile.name;
}
if(!mimeType) {
// use the actual content type of the file, probably this should be the default way.
// other platforms probably can't look this up.
mimeType = storageFile.contentType;
}
// check if download isn't already cancelled
var uploadOp = fileTransferOps[uploadId];
if (uploadOp && uploadOp.state === FileTransferOperation.CANCELLED) {
// Here we should call errorCB with ABORT_ERR error
errorCallback(new FTErr(FTErr.ABORT_ERR, nativePathToCordova(filePath), server));
return;
}
// setting request headers for uploader
var uploader = new Windows.Networking.BackgroundTransfer.BackgroundUploader();
for (var header in headers) {
if (headers.hasOwnProperty(header)) {
uploader.setRequestHeader(header, headers[header]);
}
}
// adding params supplied to request payload
var transferParts = [];
for (var key in params) {
if (params.hasOwnProperty(key)) {
var contentPart = new Windows.Networking.BackgroundTransfer.BackgroundTransferContentPart();
contentPart.setHeader("Content-Disposition", "form-data; name=\"" + key + "\"");
contentPart.setText(params[key]);
transferParts.push(contentPart);
}
}
// Adding file to upload to request payload
var fileToUploadPart = new Windows.Networking.BackgroundTransfer.BackgroundTransferContentPart(fileKey, fileName);
fileToUploadPart.setFile(storageFile);
transferParts.push(fileToUploadPart);
// create download object. This will throw an exception if URL is malformed
var uri = new Windows.Foundation.Uri(server);
try {
uploader.createUploadAsync(uri, transferParts).then(
function (upload) {
// update internal TransferOperation object with newly created promise
var uploadOperation = upload.startAsync();
fileTransferOps[uploadId].promise = uploadOperation;
uploadOperation.then(
function (result) {
// Update TransferOperation object with new state, delete promise property
// since it is not actual anymore
var currentUploadOp = fileTransferOps[uploadId];
if (currentUploadOp) {
currentUploadOp.state = FileTransferOperation.DONE;
currentUploadOp.promise = null;
}
var response = result.getResponseInformation();
// creating a data reader, attached to response stream to get server's response
var reader = new Windows.Storage.Streams.DataReader(result.getResultStreamAt(0));
reader.loadAsync(result.progress.bytesReceived).then(function(size) {
var responseText = reader.readString(size);
var ftResult = new FileUploadResult(size, response.statusCode, responseText);
successCallback(ftResult);
reader.close();
});
},
function (error) {
var source = nativePathToCordova(filePath);
// Handle download error here.
// Wrap this routines into promise due to some async methods
var getTransferError = new WinJS.Promise(function(resolve) {
if (error.message === 'Canceled') {
// If download was cancelled, message property will be specified
resolve(new FTErr(FTErr.ABORT_ERR, source, server, null, null, error));
} else {
// in the other way, try to get response property
var response = upload.getResponseInformation();
if (!response) {
resolve(new FTErr(FTErr.CONNECTION_ERR, source, server));
} else {
var reader = new Windows.Storage.Streams.DataReader(upload.getResultStreamAt(0));
reader.loadAsync(upload.progress.bytesReceived).then(function (size) {
var responseText = reader.readString(size);
resolve(new FTErr(FTErr.FILE_NOT_FOUND_ERR, source, server, response.statusCode, responseText, error));
reader.close();
});
}
}
});
// Update TransferOperation object with new state, delete promise property
// since it is not actual anymore
var currentUploadOp = fileTransferOps[uploadId];
if (currentUploadOp) {
currentUploadOp.state = FileTransferOperation.CANCELLED;
currentUploadOp.promise = null;
}
// Cleanup, remove incompleted file
getTransferError.then(function(transferError) {
storageFile.deleteAsync().then(function() {
errorCallback(transferError);
});
});
},
function (evt) {
var progressEvent = new ProgressEvent('progress', {
loaded: evt.progress.bytesSent,
total: evt.progress.totalBytesToSend,
target: evt.resultFile
});
progressEvent.lengthComputable = true;
successCallback(progressEvent, { keepCallback: true });
}
);
},
function (err) {
var errorObj = new FTErr(FTErr.INVALID_URL_ERR);
errorObj.exception = err;
errorCallback(errorObj);
}
);
} catch (e) {
errorCallback(new FTErr(FTErr.INVALID_URL_ERR));
}
}, function(err) {
errorCallback(new FTErr(FTErr.FILE_NOT_FOUND_ERR, server, server, null, null, err));
});
},
// [source, target, trustAllHosts, id, headers]
download:function(successCallback, errorCallback, options) {
var source = options[0];
var target = options[1];
var downloadId = options[3];
var headers = options[4] || {};
if (!target) {
errorCallback(new FTErr(FTErr.FILE_NOT_FOUND_ERR));
return;
}
if (target.substr(0, 8) === "file:///") {
target = appData.localFolder.path + target.substr(8).split("/").join("\\");
} else if (target.indexOf('ms-appdata:///') === 0) {
// Handle 'ms-appdata' scheme
target = target.replace('ms-appdata:///local', appData.localFolder.path)
.replace('ms-appdata:///temp', appData.temporaryFolder.path);
}
target = cordovaPathToNative(target);
var path = target.substr(0, target.lastIndexOf("\\"));
var fileName = target.substr(target.lastIndexOf("\\") + 1);
if (path === null || fileName === null) {
errorCallback(new FTErr(FTErr.FILE_NOT_FOUND_ERR));
return;
}
var download = null;
// Create internal download operation object
fileTransferOps[downloadId] = new FileTransferOperation(FileTransferOperation.PENDING, null);
var downloadCallback = function(storageFolder) {
storageFolder.createFileAsync(fileName, Windows.Storage.CreationCollisionOption.generateUniqueName).then(function(storageFile) {
// check if download isn't already cancelled
var downloadOp = fileTransferOps[downloadId];
if (downloadOp && downloadOp.state === FileTransferOperation.CANCELLED) {
// Here we should call errorCB with ABORT_ERR error
errorCallback(new FTErr(FTErr.ABORT_ERR, source, target));
return;
}
// if download isn't cancelled, contunue with creating and preparing download operation
var downloader = new Windows.Networking.BackgroundTransfer.BackgroundDownloader();
for (var header in headers) {
if (headers.hasOwnProperty(header)) {
downloader.setRequestHeader(header, headers[header]);
}
}
// create download object. This will throw an exception if URL is malformed
try {
var uri = Windows.Foundation.Uri(source);
download = downloader.createDownload(uri, storageFile);
} catch (e) {
// so we handle this and call errorCallback
errorCallback(new FTErr(FTErr.INVALID_URL_ERR));
return;
}
var downloadOperation = download.startAsync();
// update internal TransferOperation object with newly created promise
fileTransferOps[downloadId].promise = downloadOperation;
downloadOperation.then(function () {
// Update TransferOperation object with new state, delete promise property
// since it is not actual anymore
var currentDownloadOp = fileTransferOps[downloadId];
if (currentDownloadOp) {
currentDownloadOp.state = FileTransferOperation.DONE;
currentDownloadOp.promise = null;
}
var nativeURI = storageFile.path.replace(appData.localFolder.path, 'ms-appdata:///local')
.replace(appData.temporaryFolder.path, 'ms-appdata:///temp')
.replace('\\', '/');
// Passing null as error callback here because downloaded file should exist in any case
// otherwise the error callback will be hit during file creation in another place
FileProxy.resolveLocalFileSystemURI(successCallback, null, [nativeURI]);
}, function(error) {
var getTransferError = new WinJS.Promise(function (resolve) {
// Handle download error here. If download was cancelled,
// message property will be specified
if (error.message === 'Canceled') {
resolve(new FTErr(FTErr.ABORT_ERR, source, target, null, null, error));
} else {
// in the other way, try to get response property
var response = download.getResponseInformation();
if (!response) {
resolve(new FTErr(FTErr.CONNECTION_ERR, source, target));
} else {
var reader = new Windows.Storage.Streams.DataReader(download.getResultStreamAt(0));
reader.loadAsync(download.progress.bytesReceived).then(function (bytesLoaded) {
var payload = reader.readString(bytesLoaded);
resolve(new FTErr(FTErr.FILE_NOT_FOUND_ERR, source, target, response.statusCode, payload, error));
});
}
}
});
getTransferError.then(function (fileTransferError) {
// Update TransferOperation object with new state, delete promise property
// since it is not actual anymore
var currentDownloadOp = fileTransferOps[downloadId];
if (currentDownloadOp) {
currentDownloadOp.state = FileTransferOperation.CANCELLED;
currentDownloadOp.promise = null;
}
// Cleanup, remove incompleted file
storageFile.deleteAsync().then(function() {
errorCallback(fileTransferError);
});
});
}, function(evt) {
var progressEvent = new ProgressEvent('progress', {
loaded: evt.progress.bytesReceived,
total: evt.progress.totalBytesToReceive,
target: evt.resultFile
});
progressEvent.lengthComputable = true;
successCallback(progressEvent, { keepCallback: true });
});
}, function(error) {
errorCallback(new FTErr(FTErr.FILE_NOT_FOUND_ERR, source, target, null, null, error));
});
};
var fileNotFoundErrorCallback = function(error) {
errorCallback(new FTErr(FTErr.FILE_NOT_FOUND_ERR, source, target, null, null, error));
};
Windows.Storage.StorageFolder.getFolderFromPathAsync(path).then(downloadCallback, function (error) {
// Handle non-existent directory
if (error.number === -2147024894) {
var parent = path.substr(0, path.lastIndexOf('\\')),
folderNameToCreate = path.substr(path.lastIndexOf('\\') + 1);
Windows.Storage.StorageFolder.getFolderFromPathAsync(parent).then(function(parentFolder) {
parentFolder.createFolderAsync(folderNameToCreate).then(downloadCallback, fileNotFoundErrorCallback);
}, fileNotFoundErrorCallback);
} else {
fileNotFoundErrorCallback();
}
});
},
abort: function (successCallback, error, options) {
var fileTransferOpId = options[0];
// Try to find transferOperation with id specified, and cancel its' promise
var currentOp = fileTransferOps[fileTransferOpId];
if (currentOp) {
currentOp.state = FileTransferOperation.CANCELLED;
currentOp.promise && currentOp.promise.cancel();
}
}
};
require("cordova/exec/proxy").add("FileTransfer",module.exports);