зеркало из https://github.com/mozilla/gecko-dev.git
79 строки
2.8 KiB
JavaScript
79 строки
2.8 KiB
JavaScript
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
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/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const { Cu, Cc, Ci } = require("chrome");
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const Services = require("Services");
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const { XPCOMUtils } = Cu.import("resource://gre/modules/XPCOMUtils.jsm", {});
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XPCOMUtils.defineLazyGetter(this, "WindowMediator", function () {
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return Cc["@mozilla.org/appshell/window-mediator;1"]
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.getService(Ci.nsIWindowMediator);
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});
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/**
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* Singleton object that represents the JSON View in-content tool.
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* It has the same lifetime as the browser. Initialization done by
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* DevTools() object from devtools/client/framework/devtools.js
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*/
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var JsonView = {
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initialize: function () {
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// Load JSON converter module. This converter is responsible
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// for handling 'application/json' documents and converting
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// them into a simple web-app that allows easy inspection
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// of the JSON data.
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Services.ppmm.loadProcessScript(
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"resource://devtools/client/jsonview/converter-observer.js",
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true);
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// Register for messages coming from the child process.
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Services.ppmm.addMessageListener(
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"devtools:jsonview:save", this.onSave);
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},
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destroy: function () {
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Services.ppmm.removeMessageListener(
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"devtools:jsonview:save", this.onSave);
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},
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// Message handlers for events from child processes
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/**
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* Save JSON to a file needs to be implemented here
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* in the parent process.
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*/
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onSave: function (message) {
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let chrome = WindowMediator.getMostRecentWindow("navigator:browser");
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let browser = chrome.gBrowser.selectedBrowser;
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if (message.data.url === null) {
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// Save original contents
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chrome.saveBrowser(browser, false, message.data.windowID);
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} else {
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// The following code emulates saveBrowser, but:
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// - Uses the given blob URL containing the custom contents to save.
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// - Obtains the file name from the URL of the document, not the blob.
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let persistable = browser.QueryInterface(Ci.nsIFrameLoaderOwner)
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.frameLoader.QueryInterface(Ci.nsIWebBrowserPersistable);
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persistable.startPersistence(message.data.windowID, {
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onDocumentReady(doc) {
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let uri = chrome.makeURI(doc.documentURI, doc.characterSet);
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let filename = chrome.getDefaultFileName(undefined, uri, doc, null);
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chrome.internalSave(message.data.url, doc, filename, null, doc.contentType,
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false, null, null, null, doc, false, null, undefined);
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},
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onError(status) {
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throw new Error("JSON Viewer's onSave failed in startPersistence");
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}
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});
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}
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}
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};
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// Exports from this module
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module.exports.JsonView = JsonView;
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