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338a816ffd
* initial lock-screen and unlock-screen event implementation for macOS * Implementation of lock-screen and unlock-screen on windows
72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
// Copyright (c) 2013 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 "atom/browser/api/atom_api_power_monitor.h"
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#include "base/win/wrapped_window_proc.h"
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#include "ui/base/win/shell.h"
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#include "ui/gfx/win/hwnd_util.h"
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#include "Wtsapi32.h"
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namespace atom {
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namespace {
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const wchar_t kPowerMonitorWindowClass[] =
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L"Electron_PowerMonitorHostWindow";
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} // namespace
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namespace api {
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void PowerMonitor::InitPlatformSpecificMonitors() {
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WNDCLASSEX window_class;
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base::win::InitializeWindowClass(
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kPowerMonitorWindowClass,
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&base::win::WrappedWindowProc<PowerMonitor::WndProcStatic>, 0, 0, 0,
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NULL, NULL, NULL, NULL, NULL, &window_class);
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instance_ = window_class.hInstance;
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atom_ = RegisterClassEx(&window_class);
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// Create an offscreen window for receiving broadcast messages for the
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// session lock and unlock events.
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window_ = CreateWindow(MAKEINTATOM(atom_), 0, 0, 0, 0, 0, 0, HWND_MESSAGE, 0,
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instance_, 0);
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gfx::CheckWindowCreated(window_);
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gfx::SetWindowUserData(window_, this);
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// Tel windows we want to be notified with session events
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WTSRegisterSessionNotification(window_, NOTIFY_FOR_THIS_SESSION);
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}
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LRESULT CALLBACK PowerMonitor::WndProcStatic(HWND hwnd,
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UINT message,
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WPARAM wparam,
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LPARAM lparam) {
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PowerMonitor* msg_wnd = reinterpret_cast<PowerMonitor*>(
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GetWindowLongPtr(hwnd, GWLP_USERDATA));
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if (msg_wnd)
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return msg_wnd->WndProc(hwnd, message, wparam, lparam);
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else
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return ::DefWindowProc(hwnd, message, wparam, lparam);
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}
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LRESULT CALLBACK PowerMonitor::WndProc(HWND hwnd,
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UINT message,
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WPARAM wparam,
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LPARAM lparam) {
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if (message == WM_WTSSESSION_CHANGE) {
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if (wparam == WTS_SESSION_LOCK) {
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Emit("lock-screen");
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} else if (wparam == WTS_SESSION_UNLOCK) {
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Emit("unlock-screen");
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}
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}
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return ::DefWindowProc(hwnd, message, wparam, lparam);
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}
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} // namespace api
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} // namespace atom
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