2b316f3843
* refactor: clang-tidy modernize-use-nullptr * refactor: clang-tidy modernize-use-equals-default * refactor: clang-tidy modernize-make-unique * refactor: omit nullptr arg from unique_ptr.reset() As per comment by @miniak
121 lines
3.8 KiB
C++
121 lines
3.8 KiB
C++
// Copyright (c) 2014 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "shell/browser/ui/x/x_window_utils.h"
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#include <X11/Xatom.h>
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#include <memory>
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#include "base/environment.h"
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#include "base/strings/string_util.h"
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#include "base/threading/thread_restrictions.h"
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#include "dbus/bus.h"
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#include "dbus/message.h"
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#include "dbus/object_proxy.h"
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#include "ui/base/x/x11_util.h"
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namespace electron {
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::Atom GetAtom(const char* name) {
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return XInternAtom(gfx::GetXDisplay(), name, false);
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}
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void SetWMSpecState(::Window xwindow, bool enabled, ::Atom state) {
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XEvent xclient;
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memset(&xclient, 0, sizeof(xclient));
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xclient.type = ClientMessage;
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xclient.xclient.window = xwindow;
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xclient.xclient.message_type = GetAtom("_NET_WM_STATE");
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xclient.xclient.format = 32;
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xclient.xclient.data.l[0] = enabled ? 1 : 0;
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xclient.xclient.data.l[1] = state;
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xclient.xclient.data.l[2] = x11::None;
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xclient.xclient.data.l[3] = 1;
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xclient.xclient.data.l[4] = 0;
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XDisplay* xdisplay = gfx::GetXDisplay();
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XSendEvent(xdisplay, DefaultRootWindow(xdisplay), x11::False,
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SubstructureRedirectMask | SubstructureNotifyMask, &xclient);
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}
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void SetWindowType(::Window xwindow, const std::string& type) {
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XDisplay* xdisplay = gfx::GetXDisplay();
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std::string type_prefix = "_NET_WM_WINDOW_TYPE_";
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::Atom window_type = XInternAtom(
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xdisplay, (type_prefix + base::ToUpperASCII(type)).c_str(), x11::False);
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XChangeProperty(xdisplay, xwindow,
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XInternAtom(xdisplay, "_NET_WM_WINDOW_TYPE", x11::False),
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XA_ATOM, 32, PropModeReplace,
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reinterpret_cast<unsigned char*>(&window_type), 1);
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}
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bool ShouldUseGlobalMenuBar() {
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base::ThreadRestrictions::ScopedAllowIO allow_io;
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std::unique_ptr<base::Environment> env(base::Environment::Create());
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if (env->HasVar("ELECTRON_FORCE_WINDOW_MENU_BAR"))
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return false;
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dbus::Bus::Options options;
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scoped_refptr<dbus::Bus> bus(new dbus::Bus(options));
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dbus::ObjectProxy* object_proxy =
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bus->GetObjectProxy(DBUS_SERVICE_DBUS, dbus::ObjectPath(DBUS_PATH_DBUS));
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dbus::MethodCall method_call(DBUS_INTERFACE_DBUS, "ListNames");
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std::unique_ptr<dbus::Response> response(object_proxy->CallMethodAndBlock(
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&method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT));
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if (!response) {
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bus->ShutdownAndBlock();
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return false;
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}
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dbus::MessageReader reader(response.get());
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dbus::MessageReader array_reader(nullptr);
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if (!reader.PopArray(&array_reader)) {
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bus->ShutdownAndBlock();
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return false;
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}
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while (array_reader.HasMoreData()) {
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std::string name;
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if (array_reader.PopString(&name) &&
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name == "com.canonical.AppMenu.Registrar") {
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bus->ShutdownAndBlock();
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return true;
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}
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}
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bus->ShutdownAndBlock();
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return false;
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}
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void MoveWindowToForeground(::Window xwindow) {
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MoveWindowAbove(xwindow, 0);
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}
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void MoveWindowAbove(::Window xwindow, ::Window other_xwindow) {
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XDisplay* xdisplay = gfx::GetXDisplay();
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XEvent xclient;
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memset(&xclient, 0, sizeof(xclient));
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xclient.type = ClientMessage;
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xclient.xclient.display = xdisplay;
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xclient.xclient.window = xwindow;
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xclient.xclient.message_type = GetAtom("_NET_RESTACK_WINDOW");
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xclient.xclient.format = 32;
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xclient.xclient.data.l[0] = 2;
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xclient.xclient.data.l[1] = other_xwindow;
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xclient.xclient.data.l[2] = Above;
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xclient.xclient.data.l[3] = 0;
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xclient.xclient.data.l[4] = 0;
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XSendEvent(xdisplay, DefaultRootWindow(xdisplay), x11::False,
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SubstructureRedirectMask | SubstructureNotifyMask, &xclient);
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XFlush(xdisplay);
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}
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bool IsWindowValid(::Window xwindow) {
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XWindowAttributes attrs;
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return XGetWindowAttributes(gfx::GetXDisplay(), xwindow, &attrs);
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}
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} // namespace electron
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