forked from mozilla/shumway
/
content.js
70 lines (60 loc) · 2.2 KB
/
content.js
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/*
* Copyright 2014 Mozilla Foundation
*
* 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.
*/
Components.utils.import('resource://gre/modules/Services.jsm');
Components.utils.import('chrome://shumway/content/ShumwayCom.jsm');
var externalInterfaceWrapper = {
callback: function (call) {
if (!shumwayComAdapter.onExternalCallback) {
return undefined;
}
return shumwayComAdapter.onExternalCallback(
Components.utils.cloneInto(JSON.parse(call), content));
}
};
// The object allows resending of external interface, clipboard and other
// control messages between unprivileged content and ShumwayStreamConverter.
var shumwayComAdapter;
function sendMessage(action, data, sync) {
var detail = {action: action, data: data, sync: sync};
if (!sync) {
sendAsyncMessage('Shumway:message', detail);
return;
}
var result = String(sendSyncMessage('Shumway:message', detail));
result = result == 'undefined' ? undefined : JSON.parse(result);
return Components.utils.cloneInto(result, content);
}
function enableDebug() {
sendAsyncMessage('Shumway:enableDebug', null);
}
addMessageListener('Shumway:init', function (message) {
var environment = message.data;
sendAsyncMessage('Shumway:running', {}, {
externalInterface: externalInterfaceWrapper
});
shumwayComAdapter = ShumwayCom.createAdapter(content, {
sendMessage: sendMessage,
enableDebug: enableDebug,
getEnvironment: function () { return environment; }
});
content.wrappedJSObject.runViewer();
});
addMessageListener('Shumway:loadFile', function (message) {
if (!shumwayComAdapter.onLoadFileCallback) {
return;
}
shumwayComAdapter.onLoadFileCallback(Components.utils.cloneInto(message.data, content));
});