mediacapture.js
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webshim.register('mediacapture', function($, webshim, window, document, undefined, featureOptions){
"use strict";
var hasCamera = -1;
var checkCameras = $.noop;
var sel = 'input[type="file"].ws-filereader, input[type="file"].ws-capture';
var cameraListPromise = $.Deferred();
//
(function(){
var tmp;
var hasNativeUserMedia = !!(navigator.getUserMedia && !navigator.wsGetUserMedia);
var hasFlash = swfmini.hasFlashPlayerVersion('11.3');
var writeToStorage = function(){
try{
sessionStorage.setItem('wsCameras', JSON.stringify(hasCamera));
} catch (e){}
};
var reject = function(){
hasCamera = 0;
writeToStorage();
cameraListPromise.reject(hasCamera);
};
var resolve = function(){
writeToStorage();
cameraListPromise.resolve(hasCamera);
};
try {
tmp = JSON.parse(sessionStorage.getItem('wsCameras'));
if(tmp == null){
hasCamera = -1;
}
} catch(e){}
if(hasCamera === 0 || (hasCamera == -1 && !hasNativeUserMedia && !hasFlash)){
reject();
} else if(hasFlash){
checkCameras = function(){
var mediaOptions = webshim.cfg.mediaelement;
var playerSwfPath = mediaOptions.playerPath || (webshim.cfg.basePath + "swf/" + (mediaOptions.playerName || 'JarisFLVPlayer.swf'));
var id = 'wscameralistdetection';
var vars = {
controltype: '1',
jsapi: '1',
source: '',
id: id,
evtId: id
};
var attrs = {
id: id,
name: id
};
var params = {
allowscriptaccess: 'always',
allowNetworking: 'all'
};
var $dom = $('<div><div id="'+ id +'"></div></div>')
.css({position: 'absolute', left: -999, width: 5, height: 5, overflow: 'hidden'})
.appendTo('body')
;
webshim.mediaelement.jarisEvent = webshim.mediaelement.jarisEvent || {};
webshim.mediaelement.jarisEvent[id] = function(jaris){
hasCamera = jaris.cameras;
$dom.remove();
if(hasCamera){
resolve();
} else {
reject();
}
};
checkCameras = $.noop;
swfmini.embedSWF(playerSwfPath, id, "100%", "100%", "11.3", false, vars, params, attrs);
};
} else {
hasCamera = -1;
resolve();
}
})();
var regImage = /image\/\*|image\/jp/i;
var loadPicker = function(){
webshim.ready('WINDOWLOAD', function(){
webshim.loader.loadList(['mediacapture-picker']);
});
loadPicker = $.noop;
};
var _createPhotoPicker = function(){
if($(this).is('[capture].ws-filereader, .ws-capture') && webshim.implement(this, 'capture')){
var $wrapper, $customFile, $button, popover;
var $fileinput = $(this);
var accept = $fileinput.prop('accept') || 'image/*';
if(!regImage.test(accept)){return;}
$button = $('<button type="button" class="ws-capture-button" />');
popover = webshim.objectCreate(webshim.wsPopover, {}, $.extend({prepareFor: $button}));
popover.element.addClass('capture-popover input-picker');
if($fileinput.is('.ws-custom-file > *')){
$customFile = $fileinput.closest('.ws-custom-file');
$wrapper = $('<div class="ws-capture-file" />').insertAfter($customFile);
$wrapper.append($button).append($customFile);
} else {
$fileinput.before($button);
}
popover.element.insertAfter($button);
$button.on('click', function(){
webshim.mediacapture.showContent($fileinput, $button, popover);
popover.show();
});
loadPicker();
}
};
var createPhotoPicker = function (){
var elem = this;
checkCameras();
cameraListPromise.done(function(){
_createPhotoPicker.call(elem);
});
};
webshim.mediacapture = {
showContent: function($fileinput, $button, popover){
webshim.loader.loadList(['mediacapture-picker']);
webshim.ready('mediacapture-picker', function(){
webshim.mediacapture.showContent($fileinput, $button, popover);
});
}
};
webshim.defineNodeNamesBooleanProperty('input', 'capture');
if(hasCamera){
cameraListPromise.done(function(){
createPhotoPicker = _createPhotoPicker;
webshim.loader.addModule('mediacapture-picker', {
noAutoCallback: true,
css: 'styles/forms-picker.css',
options: featureOptions
});
});
webshim.addReady(function(context, insertedElement){
$(sel, context).add(insertedElement.filter(sel))
.filter('[accept*="image"], :not([accept]), [accept=""]')
.each(createPhotoPicker)
;
});
webshim.ready('WINDOWLOAD', checkCameras);
}
if(document.readyState == 'complete'){
webshim.isReady('WINDOWLOAD', true);
}
});