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CB-7286 [BlackBerry10] Use getUserMedia if camera card is unavailable

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This commit is contained in:
Bryan Higgins 2014-08-08 15:54:42 -04:00
parent 42bf5d2983
commit d53a7770d9
4 changed files with 228 additions and 3 deletions
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2
plugin.xml
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@ -153,10 +153,12 @@
</config-file>
<config-file target="www/config.xml" parent="/widget/rim:permissions">
<rim:permit>access_shared</rim:permit>
<rim:permit>use_camera</rim:permit>
</config-file>
<js-module src="www/CameraPopoverHandle.js" name="CameraPopoverHandle">
<clobbers target="CameraPopoverHandle" />
</js-module>
<asset src="www/blackberry10/assets" target="chrome" />
</platform>
<!-- wp7 -->

95
src/blackberry10/index.js
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@ -27,7 +27,98 @@ var PictureSourceType = {
DATA_URL: 0, // Return base64 encoded string
FILE_URI: 1, // Return file uri (content://media/external/images/media/2 for Android)
NATIVE_URI: 2 // Return native uri (eg. asset-library://... for iOS)
},
savePath = window.qnx.webplatform.getApplication().getEnv("HOME").replace('/data', '') + '/shared/camera/',
invokeAvailable = true;
//check for camera card - it isn't currently availble in work perimeter
window.qnx.webplatform.getApplication().invocation.queryTargets(
{
type: 'image/jpeg',
action: 'bb.action.CAPTURE',
target_type: 'CARD'
},
function (error, targets) {
invokeAvailable = !error && targets && targets instanceof Array &&
targets.filter(function (t) { return t.default === 'sys.camera.card' }).length > 0;
}
);
//open a webview with getUserMedia camera card implementation when camera card not available
function showCameraDialog (done, cancel, fail) {
var wv = qnx.webplatform.createWebView(function () {
wv.url = 'local:///chrome/camera.html';
wv.allowQnxObject = true;
wv.allowRpc = true;
wv.zOrder = 1;
wv.setGeometry(0, 0, screen.width, screen.height);
wv.backgroundColor = 0x00000000;
wv.active = true;
wv.visible = true;
wv.on('UserMediaRequest', function (evt, args) {
wv.allowUserMedia(JSON.parse(args).id, 'CAMERA_UNIT_REAR');
});
wv.on('JavaScriptCallback', function (evt, data) {
var args = JSON.parse(data).args;
if (args[0] === 'org.apache.cordova.camera') {
if (args[1] === 'cancel') {
cancel('User canceled');
} else if (args[1] === 'error') {
fail(args[2]);
} else {
saveImage(args[1], done, fail);
}
wv.un('JavaScriptCallback', arguments.callee);
wv.visible = false;
wv.destroy();
qnx.webplatform.getApplication().unlockRotation();
}
});
wv.on('Destroyed', function () {
wv.delete();
});
qnx.webplatform.getApplication().lockRotation();
qnx.webplatform.getController().dispatchEvent('webview.initialized', [wv]);
});
}
//create unique name for saved file (same pattern as BB10 camera app)
function imgName() {
var date = new Date(),
pad = function (n) { return n < 10 ? '0' + n : n };
return 'IMG_' + date.getFullYear() + pad(date.getMonth() + 1) + pad(date.getDate()) + '_' +
pad(date.getHours()) + pad(date.getMinutes()) + pad(date.getSeconds()) + '.png';
}
//convert dataURI to Blob
function dataURItoBlob(dataURI) {
var byteString = atob(dataURI.split(',')[1]),
mimeString = dataURI.split(',')[0].split(':')[1].split(';')[0],
arrayBuffer = new ArrayBuffer(byteString.length),
ia = new Uint8Array(arrayBuffer),
i;
for (i = 0; i < byteString.length; i++) {
ia[i] = byteString.charCodeAt(i);
}
return new Blob([new DataView(arrayBuffer)], { type: mimeString });
}
//save dataURI to file system and call success with path
function saveImage(data, success, fail) {
var name = savePath + imgName();
require('lib/webview').setSandbox(false);
window.webkitRequestFileSystem(window.PERSISTENT, 0, function (fs) {
fs.root.getFile(name, { create: true }, function (entry) {
entry.createWriter(function (writer) {
writer.onwriteend = function () {
success(name);
};
writer.onerror = fail;
writer.write(dataURItoBlob(data));
});
}, fail);
}, fail);
}
function encodeBase64(filePath, callback) {
var sandbox = window.qnx.webplatform.getController().setFileSystemSandbox, // save original sandbox value
@ -112,7 +203,11 @@ module.exports = {
switch(sourceType) {
case PictureSourceType.CAMERA:
if (invokeAvailable) {
window.qnx.webplatform.getApplication().cards.camera.open("photo", done, cancel, invoked);
} else {
showCameraDialog(done, cancel, fail);
}
break;
case PictureSourceType.PHOTOLIBRARY:

82
www/blackberry10/assets/camera.html Normal file
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@ -0,0 +1,82 @@
<!--
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.
-->
<!DOCTYPE HTML>
<html lang="en">
<head>
<meta charset="utf-8">
<script src="camera.js" type="text/javascript"></script>
<script>
var meta = document.createElement("meta");
meta.setAttribute('name','viewport');
meta.setAttribute('content','initial-scale='+ (1/window.devicePixelRatio) + ',user-scalable=no');
document.getElementsByTagName('head')[0].appendChild(meta);
</script>
</head>
<style type="text/css">
body {
background-color: black;
}
.action-bar {
position: fixed;
left: 0px;
bottom: 0px;
height: 100px;
width: 100%;
background-image: linear-gradient(rgb(41, 41, 41), rgb(32, 32, 32));
}
.action-bar-back {
width: 78px;
height: 100px;
background-color: black;
}
.action-bar-divider {
position: fixed;
bottom: 0px;
left: 78px;
width: 28px;
height: 100px;
background-image: url(data:image/png;base64,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);
}
.action-bar-back-button {
position: fixed;
bottom: 35px;
left: 34px;
width: 18px;
height: 28px;
background-image: url(data:image/png;base64,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);
}
.camera-cross-hairs {
position: fixed;
top: 50%;
left: 50%;
-webkit-transform: translate(-50%, -147px);
width: 194px;
height: 195px;
background-image: url(data:image/png;base64,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);
}
</style>
<body>
<div id="camera">
<video id="v"></video>
<div class="camera-cross-hairs"></div>
</div>
<canvas id="c" style="display: none;"></canvas>
<div class="action-bar">
<div id="back" class="action-bar-back">
<div class="action-bar-back-button"></div>
</div>
<div class="action-bar-divider"></div>
</div>
</body>
</html>

46
www/blackberry10/assets/camera.js Normal file
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@ -0,0 +1,46 @@
/*
* 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.
*
*/
document.addEventListener('DOMContentLoaded', function () {
document.getElementById('back').onclick = function () {
window.qnx.callExtensionMethod('org.apache.cordova.camera', 'cancel');
};
window.navigator.webkitGetUserMedia(
{ video: true },
function (stream) {
var video = document.getElementById('v'),
canvas = document.getElementById('c'),
camera = document.getElementById('camera');
video.autoplay = true;
video.width = window.innerWidth;
video.height = window.innerHeight - 100;
video.src = window.webkitURL.createObjectURL(stream);
camera.onclick = function () {
canvas.width = video.videoWidth;
canvas.height = video.videoHeight;
canvas.getContext('2d').drawImage(video, 0, 0, video.videoWidth, video.videoHeight);
window.qnx.callExtensionMethod('org.apache.cordova.camera', canvas.toDataURL('img/png'));
};
},
function () {
window.qnx.callExtensionMethod('org.apache.cordova.camera', 'error', 'getUserMedia failed');
}
);
});