gecko-dev/uriloader/exthandler/nsDBusHandlerApp.cpp

165 lines
4.4 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim:expandtab:shiftwidth=2:tabstop=2:cin:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <dbus/dbus.h>
#include "mozilla/Components.h"
#include "mozilla/DBusHelpers.h"
#include "nsDBusHandlerApp.h"
#include "nsIURI.h"
#include "nsIClassInfoImpl.h"
#include "nsCOMPtr.h"
#include "nsCExternalHandlerService.h"
using namespace mozilla;
// XXX why does nsMIMEInfoImpl have a threadsafe nsISupports? do we need one
// here too?
NS_IMPL_CLASSINFO(nsDBusHandlerApp, nullptr, 0,
components::DBusHandlerApp::CID())
NS_IMPL_ISUPPORTS_CI(nsDBusHandlerApp, nsIDBusHandlerApp, nsIHandlerApp)
////////////////////////////////////////////////////////////////////////////////
//// nsIHandlerApp
NS_IMETHODIMP nsDBusHandlerApp::GetName(nsAString& aName) {
aName.Assign(mName);
return NS_OK;
}
NS_IMETHODIMP nsDBusHandlerApp::SetName(const nsAString& aName) {
mName.Assign(aName);
return NS_OK;
}
NS_IMETHODIMP nsDBusHandlerApp::SetDetailedDescription(
const nsAString& aDescription) {
mDetailedDescription.Assign(aDescription);
return NS_OK;
}
NS_IMETHODIMP nsDBusHandlerApp::GetDetailedDescription(
nsAString& aDescription) {
aDescription.Assign(mDetailedDescription);
return NS_OK;
}
NS_IMETHODIMP
nsDBusHandlerApp::Equals(nsIHandlerApp* aHandlerApp, bool* _retval) {
NS_ENSURE_ARG_POINTER(aHandlerApp);
// If the handler app isn't a dbus handler app, then it's not the same app.
nsCOMPtr<nsIDBusHandlerApp> dbusHandlerApp = do_QueryInterface(aHandlerApp);
if (!dbusHandlerApp) {
*_retval = false;
return NS_OK;
}
nsAutoCString service;
nsAutoCString method;
nsresult rv = dbusHandlerApp->GetService(service);
if (NS_FAILED(rv)) {
*_retval = false;
return NS_OK;
}
rv = dbusHandlerApp->GetMethod(method);
if (NS_FAILED(rv)) {
*_retval = false;
return NS_OK;
}
*_retval = service.Equals(mService) && method.Equals(mMethod);
return NS_OK;
}
NS_IMETHODIMP
nsDBusHandlerApp::LaunchWithURI(
nsIURI* aURI, mozilla::dom::BrowsingContext* aBrowsingContext) {
nsAutoCString spec;
nsresult rv = aURI->GetAsciiSpec(spec);
NS_ENSURE_SUCCESS(rv, rv);
const char* uri = spec.get();
DBusError err;
dbus_error_init(&err);
mozilla::UniquePtr<DBusConnection, mozilla::DBusConnectionDelete> connection(
dbus_bus_get_private(DBUS_BUS_SESSION, &err));
if (dbus_error_is_set(&err)) {
dbus_error_free(&err);
return NS_ERROR_FAILURE;
}
if (nullptr == connection) {
return NS_ERROR_FAILURE;
}
dbus_connection_set_exit_on_disconnect(connection.get(), false);
RefPtr<DBusMessage> msg =
already_AddRefed<DBusMessage>(dbus_message_new_method_call(
mService.get(), mObjpath.get(), mInterface.get(), mMethod.get()));
if (!msg) {
return NS_ERROR_FAILURE;
}
dbus_message_set_no_reply(msg, true);
DBusMessageIter iter;
dbus_message_iter_init_append(msg, &iter);
dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &uri);
if (dbus_connection_send(connection.get(), msg, nullptr)) {
dbus_connection_flush(connection.get());
} else {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////
//// nsIDBusHandlerApp
NS_IMETHODIMP nsDBusHandlerApp::GetService(nsACString& aService) {
aService.Assign(mService);
return NS_OK;
}
NS_IMETHODIMP nsDBusHandlerApp::SetService(const nsACString& aService) {
mService.Assign(aService);
return NS_OK;
}
NS_IMETHODIMP nsDBusHandlerApp::GetMethod(nsACString& aMethod) {
aMethod.Assign(mMethod);
return NS_OK;
}
NS_IMETHODIMP nsDBusHandlerApp::SetMethod(const nsACString& aMethod) {
mMethod.Assign(aMethod);
return NS_OK;
}
NS_IMETHODIMP nsDBusHandlerApp::GetDBusInterface(nsACString& aInterface) {
aInterface.Assign(mInterface);
return NS_OK;
}
NS_IMETHODIMP nsDBusHandlerApp::SetDBusInterface(const nsACString& aInterface) {
mInterface.Assign(aInterface);
return NS_OK;
}
NS_IMETHODIMP nsDBusHandlerApp::GetObjectPath(nsACString& aObjpath) {
aObjpath.Assign(mObjpath);
return NS_OK;
}
NS_IMETHODIMP nsDBusHandlerApp::SetObjectPath(const nsACString& aObjpath) {
mObjpath.Assign(aObjpath);
return NS_OK;
}