electron/shell/browser/ui/x/x_window_utils.cc
2019-06-19 17:33:28 -07:00

112 lines
3.5 KiB
C++

// Copyright (c) 2014 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "shell/browser/ui/x/x_window_utils.h"
#include <X11/Xatom.h>
#include <memory>
#include "base/environment.h"
#include "base/strings/string_util.h"
#include "base/threading/thread_restrictions.h"
#include "dbus/bus.h"
#include "dbus/message.h"
#include "dbus/object_proxy.h"
#include "ui/base/x/x11_util.h"
namespace atom {
::Atom GetAtom(const char* name) {
return XInternAtom(gfx::GetXDisplay(), name, false);
}
void SetWMSpecState(::Window xwindow, bool enabled, ::Atom state) {
XEvent xclient;
memset(&xclient, 0, sizeof(xclient));
xclient.type = ClientMessage;
xclient.xclient.window = xwindow;
xclient.xclient.message_type = GetAtom("_NET_WM_STATE");
xclient.xclient.format = 32;
xclient.xclient.data.l[0] = enabled ? 1 : 0;
xclient.xclient.data.l[1] = state;
xclient.xclient.data.l[2] = x11::None;
xclient.xclient.data.l[3] = 1;
xclient.xclient.data.l[4] = 0;
XDisplay* xdisplay = gfx::GetXDisplay();
XSendEvent(xdisplay, DefaultRootWindow(xdisplay), x11::False,
SubstructureRedirectMask | SubstructureNotifyMask, &xclient);
}
void SetWindowType(::Window xwindow, const std::string& type) {
XDisplay* xdisplay = gfx::GetXDisplay();
std::string type_prefix = "_NET_WM_WINDOW_TYPE_";
::Atom window_type = XInternAtom(
xdisplay, (type_prefix + base::ToUpperASCII(type)).c_str(), x11::False);
XChangeProperty(xdisplay, xwindow,
XInternAtom(xdisplay, "_NET_WM_WINDOW_TYPE", x11::False),
XA_ATOM, 32, PropModeReplace,
reinterpret_cast<unsigned char*>(&window_type), 1);
}
bool ShouldUseGlobalMenuBar() {
base::ThreadRestrictions::ScopedAllowIO allow_io;
std::unique_ptr<base::Environment> env(base::Environment::Create());
if (env->HasVar("ELECTRON_FORCE_WINDOW_MENU_BAR"))
return false;
dbus::Bus::Options options;
scoped_refptr<dbus::Bus> bus(new dbus::Bus(options));
dbus::ObjectProxy* object_proxy =
bus->GetObjectProxy(DBUS_SERVICE_DBUS, dbus::ObjectPath(DBUS_PATH_DBUS));
dbus::MethodCall method_call(DBUS_INTERFACE_DBUS, "ListNames");
std::unique_ptr<dbus::Response> response(object_proxy->CallMethodAndBlock(
&method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT));
if (!response) {
bus->ShutdownAndBlock();
return false;
}
dbus::MessageReader reader(response.get());
dbus::MessageReader array_reader(NULL);
if (!reader.PopArray(&array_reader)) {
bus->ShutdownAndBlock();
return false;
}
while (array_reader.HasMoreData()) {
std::string name;
if (array_reader.PopString(&name) &&
name == "com.canonical.AppMenu.Registrar") {
bus->ShutdownAndBlock();
return true;
}
}
bus->ShutdownAndBlock();
return false;
}
void MoveWindowToForeground(::Window xwindow) {
XDisplay* xdisplay = gfx::GetXDisplay();
XEvent xclient;
memset(&xclient, 0, sizeof(xclient));
xclient.type = ClientMessage;
xclient.xclient.display = xdisplay;
xclient.xclient.window = xwindow;
xclient.xclient.message_type = GetAtom("_NET_RESTACK_WINDOW");
xclient.xclient.format = 32;
xclient.xclient.data.l[0] = 2;
xclient.xclient.data.l[1] = 0;
xclient.xclient.data.l[2] = Above;
xclient.xclient.data.l[3] = 0;
xclient.xclient.data.l[4] = 0;
XSendEvent(xdisplay, DefaultRootWindow(xdisplay), x11::False,
SubstructureRedirectMask | SubstructureNotifyMask, &xclient);
XFlush(xdisplay);
}
} // namespace atom