Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 226 insertions, 0 deletions

diff --git a/sd/source/ui/framework/factories/FullScreenPane.cxx b/sd/source/ui/framework/factories/FullScreenPane.cxx
new file mode 100644
index 000000000..dbf34213f
--- /dev/null
+++ b/sd/source/ui/framework/factories/FullScreenPane.cxx
@@ -0,0 +1,226 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "FullScreenPane.hxx"
+#include <vcl/vclevent.hxx>
+#include <vcl/wrkwin.hxx>
+#include <o3tl/string_view.hxx>
+#include <toolkit/helper/vclunohelper.hxx>
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <com/sun/star/util/URL.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::drawing::framework;
+
+namespace sd::framework {
+
+FullScreenPane::FullScreenPane (
+    const Reference<XComponentContext>& rxComponentContext,
+    const Reference<XResourceId>& rxPaneId,
+    const vcl::Window* pViewShellWindow)
+    : FrameWindowPane(rxPaneId,nullptr),
+      mxComponentContext(rxComponentContext)
+{
+    vcl::Window* pParent = nullptr;
+    mpWorkWindow.reset(VclPtr<WorkWindow>::Create(
+
+        pParent,
+        0));  // For debugging (non-fullscreen) use WB_BORDER | WB_MOVEABLE | WB_SIZEABLE));
+
+    if ( ! rxPaneId.is())
+        throw lang::IllegalArgumentException();
+
+    sal_Int32 nScreenNumber = 1;
+    ExtractArguments(rxPaneId, nScreenNumber);
+
+    if (!mpWorkWindow)
+        return;
+
+    // Create a new top-level window that is displayed full screen.
+    mpWorkWindow->ShowFullScreenMode(true, nScreenNumber);
+    // For debugging (non-fullscreen) use mpWorkWindow->SetScreenNumber(nScreenNumber);
+    mpWorkWindow->SetMenuBarMode(MenuBarMode::Hide);
+    mpWorkWindow->SetBorderStyle(WindowBorderStyle::REMOVEBORDER);
+    mpWorkWindow->SetBackground(Wallpaper());
+    // Don't show the window right now in order to allow the setting of an
+    // accessibility object: accessibility objects are typically
+    // requested by AT-tools when the window is shown. Chaining it
+    // afterwards may or may not work.
+
+    // Add resize listener at the work window.
+    Link<VclWindowEvent&,void> aWindowEventHandler (LINK(this, FullScreenPane, WindowEventHandler));
+    mpWorkWindow->AddEventListener(aWindowEventHandler);
+
+    // Set title and icon of the new window to those of the current window
+    // of the view shell.
+    if (pViewShellWindow != nullptr)
+    {
+        const SystemWindow* pSystemWindow = pViewShellWindow->GetSystemWindow();
+        mpWorkWindow->SetText(pSystemWindow->GetText());
+        mpWorkWindow->SetIcon(pSystemWindow->GetIcon());
+    }
+
+    // For some reason the VCL canvas can not paint into a WorkWindow.
+    // Therefore a child window is created that covers the WorkWindow
+    // completely.
+    mpWindow = VclPtr<vcl::Window>::Create(mpWorkWindow.get());
+    mpWindow->SetPosSizePixel(Point(0,0), mpWorkWindow->GetSizePixel());
+    mpWindow->SetBackground(Wallpaper());
+    mxWindow = VCLUnoHelper::GetInterface(mpWindow);
+
+    // Create the canvas.
+    mxCanvas = CreateCanvas();
+
+    mpWindow->GrabFocus();
+}
+
+FullScreenPane::~FullScreenPane() noexcept
+{
+}
+
+void SAL_CALL FullScreenPane::disposing()
+{
+    mpWindow.disposeAndClear();
+
+    if (mpWorkWindow)
+    {
+        Link<VclWindowEvent&,void> aWindowEventHandler (LINK(this, FullScreenPane, WindowEventHandler));
+        mpWorkWindow->RemoveEventListener(aWindowEventHandler);
+        mpWorkWindow.disposeAndClear();
+    }
+
+    FrameWindowPane::disposing();
+}
+
+//----- XPane -----------------------------------------------------------------
+
+sal_Bool SAL_CALL FullScreenPane::isVisible()
+{
+    ThrowIfDisposed();
+
+    if (mpWindow != nullptr)
+        return mpWindow->IsReallyVisible();
+    else
+        return false;
+}
+
+void SAL_CALL FullScreenPane::setVisible (const sal_Bool bIsVisible)
+{
+    ThrowIfDisposed();
+
+    if (mpWindow != nullptr)
+        mpWindow->Show(bIsVisible);
+    if (mpWorkWindow != nullptr)
+        mpWorkWindow->Show(bIsVisible);
+}
+
+Reference<css::accessibility::XAccessible> SAL_CALL FullScreenPane::getAccessible()
+{
+    ThrowIfDisposed();
+
+    if (mpWorkWindow != nullptr)
+        return mpWorkWindow->GetAccessible(false);
+    else
+        return nullptr;
+}
+
+void SAL_CALL FullScreenPane::setAccessible (
+    const Reference<css::accessibility::XAccessible>& rxAccessible)
+{
+    ThrowIfDisposed();
+
+    if (mpWindow == nullptr)
+        return;
+
+    Reference<lang::XInitialization> xInitializable (rxAccessible, UNO_QUERY);
+    if (xInitializable.is())
+    {
+        vcl::Window* pParentWindow = mpWindow->GetParent();
+        Reference<css::accessibility::XAccessible> xAccessibleParent;
+        if (pParentWindow != nullptr)
+            xAccessibleParent = pParentWindow->GetAccessible();
+        Sequence<Any> aArguments{ Any(xAccessibleParent) };
+        xInitializable->initialize(aArguments);
+    }
+    GetWindow()->SetAccessible(rxAccessible);
+}
+
+IMPL_LINK(FullScreenPane, WindowEventHandler, VclWindowEvent&, rEvent, void)
+{
+    switch (rEvent.GetId())
+    {
+        case VclEventId::WindowResize:
+            GetWindow()->SetPosPixel(Point(0,0));
+            GetWindow()->SetSizePixel(Size(
+                mpWorkWindow->GetSizePixel().Width(),
+                mpWorkWindow->GetSizePixel().Height()));
+            break;
+
+        case VclEventId::ObjectDying:
+            mpWorkWindow.disposeAndClear();
+            break;
+
+        default: break;
+    }
+}
+
+Reference<rendering::XCanvas> FullScreenPane::CreateCanvas()
+{
+    VclPtr<vcl::Window> pWindow = VCLUnoHelper::GetWindow(mxWindow);
+    if (!pWindow)
+        throw RuntimeException();
+
+    Sequence<Any> aArg{ // common: first any is VCL pointer to window (for VCL canvas)
+                        Any(reinterpret_cast<sal_Int64>(pWindow.get())),
+                        Any(css::awt::Rectangle()),
+                        Any(false),
+                        Any(mxWindow)
+    };
+
+    Reference<lang::XMultiServiceFactory> xFactory (
+        mxComponentContext->getServiceManager(), UNO_QUERY_THROW);
+    return Reference<rendering::XCanvas>(
+        xFactory->createInstanceWithArguments("com.sun.star.rendering.SpriteCanvas.VCL",
+            aArg),
+        UNO_QUERY);
+}
+
+void FullScreenPane::ExtractArguments (
+    const Reference<XResourceId>& rxPaneId,
+    sal_Int32& rnScreenNumberReturnValue)
+{
+    // Extract arguments from the resource URL.
+    const util::URL aURL = rxPaneId->getFullResourceURL();
+    for (sal_Int32 nIndex{ 0 }; nIndex >= 0; )
+    {
+        const std::u16string_view aToken = o3tl::getToken(aURL.Arguments, 0, '&', nIndex);
+        std::u16string_view sValue;
+        if (o3tl::starts_with(aToken, u"ScreenNumber=", &sValue))
+        {
+            rnScreenNumberReturnValue = o3tl::toInt32(sValue);
+        }
+    }
+}
+
+} // end of namespace sd::framework
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */