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(function() {
function log(msg) {
self.port.emit('log', msg);
}
var parts = location.pathname.split('/');
var urlName = parts[parts.length-1];
var messageId = 1;
var callbacks = {};
function send(type, message, callback) {
var id = messageId++;
self.port.emit('message', {url:urlName, messageId:id, messageType:type, payload:message});
callbacks[id] = callback || function(){};
}
self.port.on('message', function(message) {
log('page got message: ' + JSON.stringify(message));
var callback = callbacks[message.messageId];
if (callback) {
callback(message.payload);
delete callbacks[message.messageId];
}
});
var manifest = { version:'unknown' };
send('manifest.get', {}, function(data) {
manifest = data;
})
window.chrome = {
storage : {
local : {
get : function(query, callback) {
send('storage.get', query, callback);
},
set : function(data, callback) {
send('storage.set', data, callback);
}
}
},
extension : {
getURL : function(file) {
return document.location.protocol + '//' + document.location.host + '/' + file;
}
},
tabs : {
query : function(data, callback) {
send('tabs.query', data, callback);
},
create : function(data, callback) {
send('tabs.create', data, callback);
},
update : function(tabId, options, callback) {
if (!options.active) {
throw 'Unexpected update call';
}
options.tabId = tabId;
send('tabs.update', options, callback);
}
},
runtime : {
getManifest : function() {
return manifest;
}
}
};
})();
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