From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- widget/windows/nsWindowTaskbarConcealer.h | 51 +++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 widget/windows/nsWindowTaskbarConcealer.h (limited to 'widget/windows/nsWindowTaskbarConcealer.h') diff --git a/widget/windows/nsWindowTaskbarConcealer.h b/widget/windows/nsWindowTaskbarConcealer.h new file mode 100644 index 0000000000..07c2691c52 --- /dev/null +++ b/widget/windows/nsWindowTaskbarConcealer.h @@ -0,0 +1,51 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* 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/. */ + +#ifndef WIDGET_WINDOWS_NSWINDOWTASKBARCONCEALER_H_ +#define WIDGET_WINDOWS_NSWINDOWTASKBARCONCEALER_H_ + +#include "nsWindow.h" +#include "mozilla/Maybe.h" + +/** + * nsWindow::TaskbarConcealer + * + * Fullscreen-state (and, thus, taskbar-occlusion) manager. + */ +class nsWindow::TaskbarConcealer { + public: + // To be called when a window acquires focus. (Note that no action need be + // taken when focus is lost.) + static void OnFocusAcquired(nsWindow* aWin); + + // To be called during or after a window's destruction. The corresponding + // nsWindow pointer is not needed, and will not be acquired or accessed. + static void OnWindowDestroyed(HWND aWnd); + + // To be called when the Gecko-fullscreen state of a window changes. + static void OnFullscreenChanged(nsWindow* aWin, bool enteredFullscreen); + + // To be called when the position of a window changes. (Performs its own + // batching; irrelevant movements will be cheap.) + static void OnWindowPosChanged(nsWindow* aWin); + + // To be called when the cloaking state of any window changes. (Expects that + // all windows' internal cloaking-state mirror variables are up-to-date.) + static void OnCloakChanged(); + + private: + static void UpdateAllState(HWND destroyedHwnd = nullptr); + + struct WindowState { + HMONITOR monitor; + bool isGkFullscreen; + }; + static mozilla::Maybe GetWindowState(HWND); + + static nsTHashMap sKnownWindows; + struct Impl; +}; + +#endif // WIDGET_WINDOWS_NSWINDOWTASKBARCONCEALER_H_ -- cgit v1.2.3