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Merge pull request #32 from timwindsor/master
Adds BlackBerry 10 support for scanning
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| /* | ||
| * Copyright 2013-2015 BlackBerry Limited. | ||
| * | ||
| * Licensed 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. | ||
| */ | ||
| var barcodescanner, | ||
| resultObjs = {}, | ||
| readCallback, | ||
| _utils = require("../../lib/utils"); | ||
|
|
||
| module.exports = { | ||
|
|
||
| // methods to start and stop scanning | ||
| scan: function (success, fail, args, env) { | ||
| var result = new PluginResult(args, env); | ||
| resultObjs[result.callbackId] = result; | ||
| readCallback = result.callbackId; | ||
| var views = qnx.webplatform.getWebViews(); | ||
| var handle = null; | ||
| var group = null; | ||
| var z = -1; | ||
| for (var i = 0; i < views.length; i++) { | ||
| if (views[i].visible && views[i].zOrder > z){ | ||
| z = views[i].zOrder; | ||
| group = views[i].windowGroup; | ||
| handle = views[i].jsScreenWindowHandle; | ||
| } | ||
| } | ||
| if (handle !== null) { | ||
| var values = { group: group, handle: handle }; | ||
| barcodescanner.getInstance().startRead(result.callbackId, values); | ||
| // result.noResult(true); // calls the error handler for some reason | ||
| } else { | ||
| result.error("Failed to find window handle", false); | ||
| } | ||
| }, | ||
|
|
||
| encode: function (success, fail, args, env) { | ||
|
|
||
| } | ||
| }; | ||
|
|
||
|
|
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| JNEXT.BarcodeScanner = function () { | ||
| var self = this, | ||
| hasInstance = false; | ||
|
|
||
| self.getId = function () { | ||
| return self.m_id; | ||
| }; | ||
|
|
||
| self.init = function () { | ||
| if (!JNEXT.require("libBarcodeScanner")) { | ||
| return false; | ||
| } | ||
|
|
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| self.m_id = JNEXT.createObject("libBarcodeScanner.BarcodeScannerJS"); | ||
|
|
||
| if (self.m_id === "") { | ||
| return false; | ||
| } | ||
|
|
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| JNEXT.registerEvents(self); | ||
| }; | ||
|
|
||
| // ************************ | ||
| // Enter your methods here | ||
| // ************************ | ||
|
|
||
| // Fired by the Event framework (used by asynchronous callbacks) | ||
|
|
||
| self.onEvent = function (strData) { | ||
| var arData = strData.split(" "), | ||
| callbackId = arData[0], | ||
| receivedEvent = arData[1], | ||
| data = arData[2], | ||
| result = resultObjs[callbackId], | ||
| events = ["community.barcodescanner.codefound.native", | ||
| "community.barcodescanner.errorfound.native", | ||
| "community.barcodescanner.started.native", | ||
| "community.barcodescanner.ended.native"]; | ||
|
|
||
| // Restructures results when codefound has spaces | ||
| if(arData.length > 3){ | ||
| var i; | ||
| for(i=3; i<arData.length; i++) { | ||
| data += " " + arData[i]; | ||
| } | ||
| } | ||
|
|
||
| if (receivedEvent == "community.barcodescanner.codefound.native") { | ||
| if (result) { | ||
| result.callbackOk(data, false); | ||
| } | ||
| this.stopRead(callbackId); | ||
|
|
||
| } | ||
| if (receivedEvent == "community.barcodescanner.started.native") { | ||
| console.log("Scanning started successfully"); | ||
| } | ||
| if (receivedEvent == "community.barcodescanner.errorfound.native") { | ||
| if (result) { | ||
| result.callbackError(data, false); | ||
| } | ||
| } | ||
|
|
||
| if(receivedEvent == "community.barcodescanner.ended.native" || receivedEvent == "community.barcodescanner.errorfound.native") { | ||
| delete resultObjs[readCallback]; | ||
| readCallback = null; | ||
| } | ||
|
|
||
| }; | ||
|
|
||
| // Thread methods | ||
| self.startRead = function (callbackId, handle) { | ||
| return JNEXT.invoke(self.m_id, "startRead " + callbackId + " " + JSON.stringify(handle)); | ||
| }; | ||
| self.stopRead = function (callbackId) { | ||
| return JNEXT.invoke(self.m_id, "stopRead " + callbackId); | ||
| }; | ||
|
|
||
| // ************************ | ||
| // End of methods to edit | ||
| // ************************ | ||
| self.m_id = ""; | ||
|
|
||
| self.getInstance = function () { | ||
| if (!hasInstance) { | ||
| hasInstance = true; | ||
| self.init(); | ||
| } | ||
| return self; | ||
| }; | ||
|
|
||
| }; | ||
|
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| barcodescanner = new JNEXT.BarcodeScanner(); |
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