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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 <ViewTabBar.hxx>
#include <ViewShellBase.hxx>
#include <framework/FrameworkHelper.hxx>
#include <framework/Pane.hxx>
#include <DrawController.hxx>
#include <Client.hxx>
#include <utility>
#include <vcl/settings.hxx>
#include <vcl/svapp.hxx>
#include <sfx2/viewfrm.hxx>
#include <com/sun/star/drawing/framework/ResourceId.hpp>
#include <com/sun/star/drawing/framework/XControllerManager.hpp>
#include <com/sun/star/lang/DisposedException.hpp>
#include <com/sun/star/drawing/framework/XView.hpp>
#include <comphelper/processfactory.hxx>
#include <comphelper/sequence.hxx>
#include <comphelper/servicehelper.hxx>
#include <comphelper/diagnose_ex.hxx>
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::drawing::framework;
using ::sd::framework::FrameworkHelper;
namespace sd {
namespace {
bool IsEqual (const TabBarButton& rButton1, const TabBarButton& rButton2)
{
return ((rButton1.ResourceId.is()
&& rButton2.ResourceId.is()
&& rButton1.ResourceId->compareTo(rButton2.ResourceId) == 0)
|| rButton1.ButtonLabel == rButton2.ButtonLabel);
}
} // end of anonymous namespace
ViewTabBar::ViewTabBar (
const Reference<XResourceId>& rxViewTabBarId,
const rtl::Reference<::sd::DrawController>& rxController)
: mpTabControl(VclPtr<TabBarControl>::Create(GetAnchorWindow(rxViewTabBarId,rxController), this)),
mxController(rxController),
mxViewTabBarId(rxViewTabBarId),
mpViewShellBase(nullptr),
mnNoteBookWidthPadding(0)
{
// Do this manually instead of via uno::Reference, so we don't delete ourselves.
osl_atomic_increment(&m_refCount);
// Tunnel through the controller and use the ViewShellBase to obtain the
// view frame.
if (mxController)
mpViewShellBase = mxController->GetViewShellBase();
// Register as listener at XConfigurationController.
if (mxController.is())
{
mxConfigurationController = mxController->getConfigurationController();
if (mxConfigurationController.is())
{
mxConfigurationController->addConfigurationChangeListener(
this,
FrameworkHelper::msResourceActivationEvent,
Any());
}
}
mpTabControl->Show();
if (mpViewShellBase != nullptr
&& rxViewTabBarId->isBoundToURL(
FrameworkHelper::msCenterPaneURL, AnchorBindingMode_DIRECT))
{
mpViewShellBase->SetViewTabBar(this);
}
osl_atomic_decrement(&m_refCount);
}
ViewTabBar::~ViewTabBar()
{
}
void ViewTabBar::disposing(std::unique_lock<std::mutex>&)
{
if (mpViewShellBase != nullptr
&& mxViewTabBarId->isBoundToURL(
FrameworkHelper::msCenterPaneURL, AnchorBindingMode_DIRECT))
{
mpViewShellBase->SetViewTabBar(nullptr);
}
if (mxConfigurationController.is())
{
// Unregister listener from XConfigurationController.
try
{
mxConfigurationController->removeConfigurationChangeListener(this);
}
catch (const lang::DisposedException&)
{
// Receiving a disposed exception is the normal case. Is there
// a way to avoid it?
}
mxConfigurationController = nullptr;
}
{
const SolarMutexGuard aSolarGuard;
mpTabControl.disposeAndClear();
}
mxController = nullptr;
}
vcl::Window* ViewTabBar::GetAnchorWindow(
const Reference<XResourceId>& rxViewTabBarId,
const rtl::Reference<::sd::DrawController>& rxController)
{
vcl::Window* pWindow = nullptr;
ViewShellBase* pBase = nullptr;
// Tunnel through the controller and use the ViewShellBase to obtain the
// view frame.
if (rxController)
pBase = rxController->GetViewShellBase();
// The ViewTabBar supports at the moment only the center pane.
if (rxViewTabBarId.is()
&& rxViewTabBarId->isBoundToURL(
FrameworkHelper::msCenterPaneURL, AnchorBindingMode_DIRECT))
{
if (pBase != nullptr)
pWindow = &pBase->GetViewFrame().GetWindow();
}
// The rest is (at the moment) just for the emergency case.
if (pWindow == nullptr)
{
Reference<XPane> xPane;
try
{
Reference<XConfigurationController> xCC (
rxController->getConfigurationController());
if (xCC.is())
xPane.set(xCC->getResource(rxViewTabBarId->getAnchor()), UNO_QUERY);
}
catch (const RuntimeException&)
{
}
// Tunnel through the XWindow to the VCL side.
try
{
if (auto pPane = dynamic_cast<framework::Pane*>(xPane.get()))
pWindow = pPane->GetWindow()->GetParent();
}
catch (const RuntimeException&)
{
}
}
return pWindow;
}
//----- XConfigurationChangeListener ------------------------------------------
void SAL_CALL ViewTabBar::notifyConfigurationChange (
const ConfigurationChangeEvent& rEvent)
{
if (rEvent.Type == FrameworkHelper::msResourceActivationEvent
&& rEvent.ResourceId->getResourceURL().match(FrameworkHelper::msViewURLPrefix)
&& rEvent.ResourceId->isBoundTo(mxViewTabBarId->getAnchor(), AnchorBindingMode_DIRECT))
{
UpdateActiveButton();
}
}
//----- XEventListener --------------------------------------------------------
void SAL_CALL ViewTabBar::disposing(
const lang::EventObject& rEvent)
{
if (rEvent.Source == mxConfigurationController)
{
mxConfigurationController = nullptr;
mxController = nullptr;
}
}
//----- XTabBar ---------------------------------------------------------------
void SAL_CALL ViewTabBar::addTabBarButtonAfter (
const TabBarButton& rButton,
const TabBarButton& rAnchor)
{
const SolarMutexGuard aSolarGuard;
AddTabBarButton(rButton, rAnchor);
}
void SAL_CALL ViewTabBar::appendTabBarButton (const TabBarButton& rButton)
{
const SolarMutexGuard aSolarGuard;
AddTabBarButton(rButton);
}
void SAL_CALL ViewTabBar::removeTabBarButton (const TabBarButton& rButton)
{
const SolarMutexGuard aSolarGuard;
RemoveTabBarButton(rButton);
}
sal_Bool SAL_CALL ViewTabBar::hasTabBarButton (const TabBarButton& rButton)
{
const SolarMutexGuard aSolarGuard;
return HasTabBarButton(rButton);
}
Sequence<TabBarButton> SAL_CALL ViewTabBar::getTabBarButtons()
{
const SolarMutexGuard aSolarGuard;
return GetTabBarButtons();
}
//----- XResource -------------------------------------------------------------
Reference<XResourceId> SAL_CALL ViewTabBar::getResourceId()
{
return mxViewTabBarId;
}
sal_Bool SAL_CALL ViewTabBar::isAnchorOnly()
{
return false;
}
bool ViewTabBar::ActivatePage(size_t nIndex)
{
try
{
Reference<XConfigurationController> xConfigurationController (
mxController->getConfigurationController());
if ( ! xConfigurationController.is())
throw RuntimeException();
Reference<XView> xView;
try
{
xView.set(xConfigurationController->getResource(
ResourceId::create(
::comphelper::getProcessComponentContext(),
FrameworkHelper::msCenterPaneURL)),
UNO_QUERY);
}
catch (const DeploymentException&)
{
}
Client* pIPClient = nullptr;
if (mpViewShellBase != nullptr)
pIPClient = dynamic_cast<Client*>(mpViewShellBase->GetIPClient());
if (pIPClient==nullptr || ! pIPClient->IsObjectInPlaceActive())
{
if (nIndex < maTabBarButtons.size())
{
xConfigurationController->requestResourceActivation(
maTabBarButtons[nIndex].ResourceId,
ResourceActivationMode_REPLACE);
}
return true;
}
}
catch (const RuntimeException&)
{
DBG_UNHANDLED_EXCEPTION("sd.view");
}
return false;
}
int ViewTabBar::GetHeight() const
{
int nHeight (0);
if (!maTabBarButtons.empty())
{
if (mpTabControl->IsReallyVisible())
{
weld::Notebook& rNotebook = mpTabControl->GetNotebook();
int nAllocatedWidth = mpTabControl->GetAllocatedWidth();
int nPageWidth = nAllocatedWidth - mnNoteBookWidthPadding;
// set each page width-request to the size it takes to fit the notebook allocation
for (int nIndex = 1, nPageCount = rNotebook.get_n_pages(); nIndex <= nPageCount; ++nIndex)
{
OUString sIdent(OUString::number(nIndex));
weld::Container* pContainer = rNotebook.get_page(sIdent);
pContainer->set_size_request(nPageWidth, -1);
}
// get the height-for-width for this allocation
nHeight = mpTabControl->get_preferred_size().Height();
}
if (nHeight <= 0)
{
// Using a default when the real height can not be determined.
// To get correct height this method should be called when the
// control is visible.
nHeight = 21;
}
}
return nHeight;
}
void ViewTabBar::AddTabBarButton (
const css::drawing::framework::TabBarButton& rButton,
const css::drawing::framework::TabBarButton& rAnchor)
{
TabBarButtonList::size_type nIndex;
if ( ! rAnchor.ResourceId.is()
|| (rAnchor.ResourceId->getResourceURL().isEmpty()
&& rAnchor.ButtonLabel.isEmpty()))
{
nIndex = 0;
}
else
{
for (nIndex=0; nIndex<maTabBarButtons.size(); ++nIndex)
{
if (IsEqual(maTabBarButtons[nIndex], rAnchor))
{
++nIndex;
break;
}
}
}
AddTabBarButton(rButton,nIndex);
}
void ViewTabBar::AddTabBarButton (
const css::drawing::framework::TabBarButton& rButton)
{
AddTabBarButton(rButton, maTabBarButtons.size());
}
void ViewTabBar::AddTabBarButton (
const css::drawing::framework::TabBarButton& rButton,
sal_Int32 nPosition)
{
if (nPosition >= 0 &&
nPosition <= mpTabControl->GetNotebook().get_n_pages())
{
// Insert the button into our local array.
maTabBarButtons.insert(maTabBarButtons.begin() + nPosition, rButton);
UpdateTabBarButtons();
UpdateActiveButton();
}
}
void ViewTabBar::RemoveTabBarButton (
const css::drawing::framework::TabBarButton& rButton)
{
for (TabBarButtonList::size_type nIndex=0; nIndex<maTabBarButtons.size(); ++nIndex)
{
if (IsEqual(maTabBarButtons[nIndex], rButton))
{
maTabBarButtons.erase(maTabBarButtons.begin()+nIndex);
UpdateTabBarButtons();
UpdateActiveButton();
break;
}
}
}
bool ViewTabBar::HasTabBarButton (
const css::drawing::framework::TabBarButton& rButton)
{
bool bResult (false);
for (const css::drawing::framework::TabBarButton & r : maTabBarButtons)
{
if (IsEqual(r, rButton))
{
bResult = true;
break;
}
}
return bResult;
}
css::uno::Sequence<css::drawing::framework::TabBarButton>
ViewTabBar::GetTabBarButtons()
{
return comphelper::containerToSequence(maTabBarButtons);
}
void ViewTabBar::UpdateActiveButton()
{
Reference<XView> xView;
if (mpViewShellBase != nullptr)
xView = FrameworkHelper::Instance(*mpViewShellBase)->GetView(
mxViewTabBarId->getAnchor());
if (!xView.is())
return;
Reference<XResourceId> xViewId (xView->getResourceId());
for (size_t nIndex=0; nIndex<maTabBarButtons.size(); ++nIndex)
{
if (maTabBarButtons[nIndex].ResourceId->compareTo(xViewId) == 0)
{
mpTabControl->GetNotebook().set_current_page(nIndex);
break;
}
}
}
void ViewTabBar::UpdateTabBarButtons()
{
int nMaxPageWidthReq(0);
weld::Notebook& rNotebook = mpTabControl->GetNotebook();
int nPageCount(rNotebook.get_n_pages());
int nIndex = 1;
for (const auto& rTab : maTabBarButtons)
{
OUString sIdent(OUString::number(nIndex));
// Create a new tab when there are not enough.
if (nPageCount < nIndex)
rNotebook.append_page(sIdent, rTab.ButtonLabel);
else
{
// Update the tab.
rNotebook.set_tab_label_text(sIdent, rTab.ButtonLabel);
}
// Set a fairly arbitrary initial width request for the pages so we can
// measure what extra width the notebook itself uses
weld::Container* pContainer = rNotebook.get_page(sIdent);
int nTextWidth = pContainer->get_pixel_size(rTab.ButtonLabel).Width();
pContainer->set_size_request(nTextWidth, -1);
nMaxPageWidthReq = std::max(nMaxPageWidthReq, nTextWidth);
++nIndex;
}
// Delete tabs that are no longer used.
for (; nIndex<=nPageCount; ++nIndex)
rNotebook.remove_page(OUString::number(nIndex));
int nWidthReq = rNotebook.get_preferred_size().Width();
// The excess width over the page request that the notebook uses we will
// use this later to help measure the best height-for-width given the
// eventual allocated width of the notebook
mnNoteBookWidthPadding = nWidthReq - nMaxPageWidthReq;
}
//===== TabBarControl =========================================================
TabBarControl::TabBarControl (
vcl::Window* pParentWindow,
::rtl::Reference<ViewTabBar> pViewTabBar)
: InterimItemWindow(pParentWindow, "modules/simpress/ui/tabviewbar.ui", "TabViewBar")
, mxTabControl(m_xBuilder->weld_notebook("tabcontrol"))
, mpViewTabBar(std::move(pViewTabBar))
, mnAllocatedWidth(0)
{
// Because the actual window background is transparent--to avoid
// flickering due to multiple background paintings by this and by child
// windows--we have to paint the background for this control explicitly:
// the actual control is not painted over its whole bounding box.
SetPaintTransparent(false);
SetBackground(Application::GetSettings().GetStyleSettings().GetDialogColor());
InitControlBase(mxTabControl.get());
mxTabControl->connect_enter_page(LINK(this, TabBarControl, ActivatePageHdl));
mxTabControl->connect_size_allocate(LINK(this, TabBarControl, NotebookSizeAllocHdl));
}
void TabBarControl::dispose()
{
mxTabControl.reset();
InterimItemWindow::dispose();
}
TabBarControl::~TabBarControl()
{
disposeOnce();
}
IMPL_LINK(TabBarControl, NotebookSizeAllocHdl, const Size&, rSize, void)
{
mnAllocatedWidth = rSize.Width();
}
IMPL_LINK(TabBarControl, ActivatePageHdl, const OUString&, rPage, void)
{
if (!mpViewTabBar->ActivatePage(mxTabControl->get_page_index(rPage)))
{
// When we run into this else branch then we have an active OLE
// object. We ignore the request to switch views. Additionally
// we put the active tab back to the one for the current view.
mpViewTabBar->UpdateActiveButton();
}
}
} // end of namespace sd
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|