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const Endless = imports.gi.Endless;
const GLib = imports.gi.GLib;
const Gtk = imports.gi.Gtk;
const WebKit = imports.gi.WebKit;
const EOS_URI_SCHEME = 'endless://';
const Application = new Lang.Class({
Name: 'WebApplication',
Extends: Endless.Application,
// Set of actions that may be invoked from a WebView.
// Declare them as function(dict), and use links with the format
// "endless://actionName?parameter=value"
_webActions: { },
// This callback does the translation from URI to action
// webview.connect('navigation-policy-decision-requested',
// Lang.bind(this, this.web_actions_handler));
web_actions_handler: function(webview, frame, request, action, policy_decision) {
let uri = request.get_uri();
if(uri.indexOf(EOS_URI_SCHEME) !== 0) {
// this is a regular URL, just navigate there
return false;
}
// get the name and parameters for the desired function
let f_call = uri.substring(EOS_URI_SCHEME.length, uri.length).split('?');
var function_name = f_call[0];
var parameters = {};
if(f_call[1]) {
// there are parameters
let params = f_call[1].split('&');
params.forEach(function(entry) {
let param = entry.split('=');
if(param.length == 2) {
param[0] = decodeURIComponent(param[0]);
param[1] = decodeURIComponent(param[1]);
// and now we add it...
parameters[param[0]] = param[1];
}
});
}
if(this._webActions[function_name])
Lang.bind(this, this._webActions[function_name])(parameters);
else
throw new Error("Undefined WebHelper action '%s'. Did you add it " +
"to your app's _webActions object?".format(function_name));
policy_decision.ignore();
return true;
},
// convenience functions
_getElementById: function(webview, id) {
// WebKit.DOMDocument
let dom = webview.get_dom_document();
// WebKit.DOMElement
return dom.get_element_by_id(id);
},
translate_html: function(webview) {
let dom = webview.get_dom_document();
// WebKit.DOMNodeList
let translatable = dom.get_elements_by_name('translatable');
for (var i = 0 ; i < translatable.get_length() ; i++) {
// WebKit.DOMNode
let element = translatable.item(i);
// Translate the text
if(typeof this._translationFunction !== 'function')
throw new Error("No suitable translation function was found. " +
"Did you forget to set '_translationFunction' on your app?");
element.inner_html = this._translationFunction(element.inner_text);
}
}
});
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