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/* -*- 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 <memory>
#include <sal/config.h>
#include <sal/log.hxx>
#include <utility>
#include "ChildWindowPane.hxx"
#include <PaneDockingWindow.hxx>
#include <ViewShellBase.hxx>
#include <ViewShellManager.hxx>
#include <toolkit/helper/vclunohelper.hxx>
#include <sfx2/viewfrm.hxx>
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::drawing::framework;
namespace sd::framework {
ChildWindowPane::ChildWindowPane (
const Reference<XResourceId>& rxPaneId,
sal_uInt16 nChildWindowId,
ViewShellBase& rViewShellBase,
::std::unique_ptr<SfxShell> && pShell)
: ChildWindowPaneInterfaceBase(rxPaneId,nullptr),
mnChildWindowId(nChildWindowId),
mrViewShellBase(rViewShellBase),
mpShell(std::move(pShell)),
mbHasBeenActivated(false)
{
mrViewShellBase.GetViewShellManager()->ActivateShell(mpShell.get());
SfxViewFrame* pViewFrame = mrViewShellBase.GetViewFrame();
if (pViewFrame == nullptr)
return;
if (mrViewShellBase.IsActive())
{
if (pViewFrame->KnowsChildWindow(mnChildWindowId))
{
if (pViewFrame->HasChildWindow(mnChildWindowId))
{
// The ViewShellBase has already been activated. Make
// the child window visible as soon as possible.
pViewFrame->SetChildWindow(mnChildWindowId, true);
}
else
{
// The window is created asynchronously. Rely on the
// ConfigurationUpdater to try another update, and with
// that another request for this window, in a short
// time.
}
}
else
{
SAL_WARN("sd", "ChildWindowPane:not known");
}
}
else
{
// The ViewShellBase has not yet been activated. Hide the
// window and wait a little before it is made visible. See
// comments in the GetWindow() method for an explanation.
pViewFrame->SetChildWindow(mnChildWindowId, false);
}
}
ChildWindowPane::~ChildWindowPane()
{
}
void ChildWindowPane::Hide()
{
SfxViewFrame* pViewFrame = mrViewShellBase.GetViewFrame();
if (pViewFrame != nullptr)
if (pViewFrame->KnowsChildWindow(mnChildWindowId))
if (pViewFrame->HasChildWindow(mnChildWindowId))
pViewFrame->SetChildWindow(mnChildWindowId, false);
// Release the window because when the child window is shown again it
// may use a different window.
mxWindow = nullptr;
}
void SAL_CALL ChildWindowPane::disposing()
{
::osl::MutexGuard aGuard (m_aMutex);
mrViewShellBase.GetViewShellManager()->DeactivateShell(mpShell.get());
mpShell.reset();
if (mxWindow.is())
{
mxWindow->removeEventListener(this);
}
Pane::disposing();
}
vcl::Window* ChildWindowPane::GetWindow()
{
do
{
if (mxWindow.is())
// Window already exists => nothing to do.
break;
// When the window is not yet present then obtain it only when the
// shell has already been activated. The activation is not
// necessary for the code to work properly but is used to optimize
// the layouting and displaying of the window. When it is made
// visible too early then some layouting seems to be made twice or at
// an inconvenient time and the overall process of initializing the
// Impress takes longer.
if (!mbHasBeenActivated && mpShell != nullptr && !mpShell->IsActive())
break;
mbHasBeenActivated = true;
SfxViewFrame* pViewFrame = mrViewShellBase.GetViewFrame();
if (pViewFrame == nullptr)
break;
// The view frame has to know the child window. This can be the
// case, when for example the document is in read-only mode: the
// task pane is then not available.
if ( ! pViewFrame->KnowsChildWindow(mnChildWindowId))
break;
pViewFrame->SetChildWindow(mnChildWindowId, true);
SfxChildWindow* pChildWindow = pViewFrame->GetChildWindow(mnChildWindowId);
if (pChildWindow == nullptr)
if (pViewFrame->HasChildWindow(mnChildWindowId))
{
// The child window is not yet visible. Ask the view frame
// to show it and try again to get access to the child
// window.
pViewFrame->ShowChildWindow(mnChildWindowId);
pChildWindow = pViewFrame->GetChildWindow(mnChildWindowId);
}
// When the child window is still not visible then we have to try later.
if (pChildWindow == nullptr)
break;
// From the child window get the docking window and from that the
// content window that is the container for the actual content.
PaneDockingWindow* pDockingWindow = dynamic_cast<PaneDockingWindow*>(
pChildWindow->GetWindow());
if (pDockingWindow == nullptr)
break;
// At last, we have access to the window and its UNO wrapper.
mpWindow = &pDockingWindow->GetContentWindow();
mxWindow = VCLUnoHelper::GetInterface(mpWindow);
// Register as window listener to be informed when the child window
// is hidden.
if (mxWindow.is())
mxWindow->addEventListener(this);
}
while (false);
return mpWindow;
}
Reference<awt::XWindow> SAL_CALL ChildWindowPane::getWindow()
{
if (mpWindow == nullptr || ! mxWindow.is())
GetWindow();
return Pane::getWindow();
}
IMPLEMENT_FORWARD_XINTERFACE2(
ChildWindowPane,
ChildWindowPaneInterfaceBase,
Pane);
IMPLEMENT_FORWARD_XTYPEPROVIDER2(
ChildWindowPane,
ChildWindowPaneInterfaceBase,
Pane);
//----- XEventListener --------------------------------------------------------
void SAL_CALL ChildWindowPane::disposing (const lang::EventObject& rEvent)
{
ThrowIfDisposed();
if (rEvent.Source == mxWindow)
{
// The window is gone but the pane remains alive. The next call to
// GetWindow() may create the window anew.
mxWindow = nullptr;
mpWindow = nullptr;
}
}
} // end of namespace sd::framework
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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