130 lines
4.8 KiB
JavaScript
130 lines
4.8 KiB
JavaScript
/*
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*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*
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*/
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var PictureSourceType = {
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PHOTOLIBRARY : 0, // Choose image from picture library (same as SAVEDPHOTOALBUM for Android)
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CAMERA : 1, // Take picture from camera
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SAVEDPHOTOALBUM : 2 // Choose image from picture library (same as PHOTOLIBRARY for Android)
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},
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DestinationType = {
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DATA_URL: 0, // Return base64 encoded string
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FILE_URI: 1, // Return file uri (content://media/external/images/media/2 for Android)
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NATIVE_URI: 2 // Return native uri (eg. asset-library://... for iOS)
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};
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function encodeBase64(filePath, callback) {
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var sandbox = window.qnx.webplatform.getController().setFileSystemSandbox, // save original sandbox value
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errorHandler = function (err) {
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var msg = "An error occured: ";
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switch (err.code) {
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case FileError.NOT_FOUND_ERR:
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msg += "File or directory not found";
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break;
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case FileError.NOT_READABLE_ERR:
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msg += "File or directory not readable";
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break;
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case FileError.PATH_EXISTS_ERR:
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msg += "File or directory already exists";
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break;
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case FileError.TYPE_MISMATCH_ERR:
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msg += "Invalid file type";
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break;
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default:
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msg += "Unknown Error";
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break;
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};
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// set it back to original value
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window.qnx.webplatform.getController().setFileSystemSandbox = sandbox;
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callback(msg);
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},
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gotFile = function (fileEntry) {
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fileEntry.file(function (file) {
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var reader = new FileReader();
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reader.onloadend = function (e) {
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// set it back to original value
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window.qnx.webplatform.getController().setFileSystemSandbox = sandbox;
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callback(this.result);
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};
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reader.readAsDataURL(file);
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}, errorHandler);
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},
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onInitFs = function (fs) {
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window.qnx.webplatform.getController().setFileSystemSandbox = false;
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fs.root.getFile(filePath, {create: false}, gotFile, errorHandler);
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};
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window.webkitRequestFileSystem(window.TEMPORARY, 10 * 1024 * 1024, onInitFs, errorHandler); // set size to 10MB max
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}
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module.exports = {
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takePicture: function (success, fail, args, env) {
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var destinationType = JSON.parse(decodeURIComponent(args[1])),
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sourceType = JSON.parse(decodeURIComponent(args[2])),
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result = new PluginResult(args, env),
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done = function (data) {
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if (destinationType === DestinationType.FILE_URI) {
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data = "file://" + data;
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result.callbackOk(data, false);
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} else {
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encodeBase64(data, function (data) {
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if (/^data:/.test(data)) {
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data = data.slice(data.indexOf(",") + 1);
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result.callbackOk(data, false);
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} else {
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result.callbackError(data, false);
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}
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});
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}
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},
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cancel = function (reason) {
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result.callbackError(reason, false);
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},
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invoked = function (error) {
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if (error) {
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result.callbackError(error, false);
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}
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};
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switch(sourceType) {
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case PictureSourceType.CAMERA:
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window.qnx.webplatform.getApplication().cards.camera.open("photo", done, cancel, invoked);
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break;
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case PictureSourceType.PHOTOLIBRARY:
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case PictureSourceType.SAVEDPHOTOALBUM:
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window.qnx.webplatform.getApplication().cards.filePicker.open({
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mode: "Picker",
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type: ["picture"]
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}, done, cancel, invoked);
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break;
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}
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result.noResult(true);
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}
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};
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