gnome-shell/js/ui/shellDBus.js

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/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
const DBus = imports.dbus;
const Lang = imports.lang;
const Config = imports.misc.config;
const ExtensionSystem = imports.ui.extensionSystem;
const Main = imports.ui.main;
const GnomeShellIface = {
name: 'org.gnome.Shell',
methods: [{ name: 'Eval',
inSignature: 's',
outSignature: 'bs'
},
{ name: 'ListExtensions',
inSignature: '',
outSignature: 'a{sa{sv}}'
},
{ name: 'GetExtensionInfo',
inSignature: 's',
outSignature: 'a{sv}'
},
{ name: 'GetExtensionErrors',
inSignature: 's',
outSignature: 'as'
},
{ name: 'ScreenshotArea',
inSignature: 'iiiis',
outSignature: 'b'
},
{ name: 'ScreenshotWindow',
inSignature: 'bs',
outSignature: 'b'
},
{ name: 'Screenshot',
inSignature: 's',
outSignature: 'b'
},
{ name: 'EnableExtension',
inSignature: 's',
outSignature: ''
},
{ name: 'DisableExtension',
inSignature: 's',
outSignature: ''
},
{ name: 'InstallRemoteExtension',
inSignature: 'ss',
outSignature: ''
},
{ name: 'UninstallExtension',
inSignature: 's',
outSignature: 'b'
}
],
signals: [{ name: 'ExtensionStatusChanged',
inSignature: 'sis' }],
properties: [{ name: 'OverviewActive',
signature: 'b',
access: 'readwrite' },
{ name: 'ApiVersion',
signature: 'i',
access: 'read' },
{ name: 'ShellVersion',
signature: 's',
access: 'read' }]
};
function GnomeShell() {
this._init();
}
GnomeShell.prototype = {
_init: function() {
DBus.session.exportObject('/org/gnome/Shell', this);
ExtensionSystem.connect('extension-state-changed',
Lang.bind(this, this._extensionStateChanged));
},
/**
* Eval:
* @code: A string containing JavaScript code
*
* This function executes arbitrary code in the main
* loop, and returns a boolean success and
* JSON representation of the object as a string.
*
* If evaluation completes without throwing an exception,
* then the return value will be [true, JSON.stringify(result)].
* If evaluation fails, then the return value will be
* [false, JSON.stringify(exception)];
*
*/
Eval: function(code) {
let returnValue;
let success;
try {
returnValue = JSON.stringify(eval(code));
// A hack; DBus doesn't have null/undefined
if (returnValue == undefined)
returnValue = '';
success = true;
} catch (e) {
returnValue = JSON.stringify(e);
success = false;
}
return [success, returnValue];
},
/**
* ScreenshotArea:
* @x: The X coordinate of the area
* @y: The Y coordinate of the area
* @width: The width of the area
* @height: The height of the area
* @filename: The filename for the screenshot
*
* Takes a screenshot of the passed in area and saves it
* in @filename as png image, it returns a boolean
* indicating whether the operation was successful or not.
*
*/
ScreenshotAreaAsync : function (x, y, width, height, filename, callback) {
global.screenshot_area (x, y, width, height, filename, function (obj, result) { callback(result); });
},
/**
* ScreenshotWindow:
* @include_frame: Whether to include the frame or not
* @filename: The filename for the screenshot
*
* Takes a screenshot of the focused window (optionally omitting the frame)
* and saves it in @filename as png image, it returns a boolean
* indicating whether the operation was successful or not.
*
*/
ScreenshotWindow : function (include_frame, filename) {
return global.screenshot_window (include_frame, filename);
},
/**
* Screenshot:
* @filename: The filename for the screenshot
*
* Takes a screenshot of the whole screen and saves it
* in @filename as png image, it returns a boolean
* indicating whether the operation was successful or not.
*
*/
ScreenshotAsync : function (filename, callback) {
global.screenshot(filename, function (obj, result) { callback(result); });
},
ListExtensions: function() {
return ExtensionSystem.extensionMeta;
},
GetExtensionInfo: function(uuid) {
return ExtensionSystem.extensionMeta[uuid] || {};
},
GetExtensionErrors: function(uuid) {
return ExtensionSystem.errors[uuid] || [];
},
EnableExtension: function(uuid) {
let enabledExtensions = global.settings.get_strv(ExtensionSystem.ENABLED_EXTENSIONS_KEY);
if (enabledExtensions.indexOf(uuid) == -1)
enabledExtensions.push(uuid);
global.settings.set_strv(ExtensionSystem.ENABLED_EXTENSIONS_KEY, enabledExtensions);
},
DisableExtension: function(uuid) {
let enabledExtensions = global.settings.get_strv(ExtensionSystem.ENABLED_EXTENSIONS_KEY);
while (enabledExtensions.indexOf(uuid) != -1)
enabledExtensions.splice(enabledExtensions.indexOf(uuid), 1);
global.settings.set_strv(ExtensionSystem.ENABLED_EXTENSIONS_KEY, enabledExtensions);
},
InstallRemoteExtension: function(uuid, version_tag) {
ExtensionSystem.installExtensionFromUUID(uuid, version_tag);
},
UninstallExtension: function(uuid) {
return ExtensionSystem.uninstallExtensionFromUUID(uuid);
},
get OverviewActive() {
return Main.overview.visible;
},
set OverviewActive(visible) {
if (visible)
Main.overview.show();
else
Main.overview.hide();
},
ApiVersion: ExtensionSystem.API_VERSION,
ShellVersion: Config.PACKAGE_VERSION,
_extensionStateChanged: function(_, newState) {
DBus.session.emit_signal('/org/gnome/Shell',
'org.gnome.Shell',
'ExtensionStatusChanged', 'sis',
[newState.uuid, newState.state, newState.error]);
}
};
DBus.conformExport(GnomeShell.prototype, GnomeShellIface);