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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 own header
#include <jobs/helponstartup.hxx>
#include <services.h>
#include <targets.h>
#include <officecfg/Office/Common.hxx>
#include <officecfg/Setup.hxx>
// include others
#include <comphelper/sequenceashashmap.hxx>
#include <vcl/svapp.hxx>
#include <vcl/help.hxx>
// include interfaces
#include <com/sun/star/frame/FrameSearchFlag.hpp>
#include <com/sun/star/frame/ModuleManager.hpp>
#include <com/sun/star/frame/XFramesSupplier.hpp>
#include <com/sun/star/frame/Desktop.hpp>
namespace framework{
DEFINE_XSERVICEINFO_MULTISERVICE_2(HelpOnStartup ,
::cppu::OWeakObject ,
SERVICENAME_JOB ,
IMPLEMENTATIONNAME_HELPONSTARTUP)
DEFINE_INIT_SERVICE(HelpOnStartup,
{
/* Attention
I think we don't need any mutex or lock here ... because we are called by our own static method impl_createInstance()
to create a new instance of this class by our own supported service factory.
see macro DEFINE_XSERVICEINFO_MULTISERVICE and "impl_initService()" for further information!
*/
// create some needed uno services and cache it
m_xModuleManager = css::frame::ModuleManager::create( m_xContext );
m_xDesktop = css::frame::Desktop::create(m_xContext);
// ask for office locale
m_sLocale = officecfg::Setup::L10N::ooLocale::get(m_xContext);
// detect system
m_sSystem = officecfg::Office::Common::Help::System::get(m_xContext);
// Start listening for disposing events of these services,
// so we can react e.g. for an office shutdown
css::uno::Reference< css::lang::XComponent > xComponent;
xComponent.set(m_xModuleManager, css::uno::UNO_QUERY);
if (xComponent.is())
xComponent->addEventListener(static_cast< css::lang::XEventListener* >(this));
if (m_xDesktop.is())
m_xDesktop->addEventListener(static_cast< css::lang::XEventListener* >(this));
xComponent.set(m_xConfig, css::uno::UNO_QUERY);
if (xComponent.is())
xComponent->addEventListener(static_cast< css::lang::XEventListener* >(this));
}
)
HelpOnStartup::HelpOnStartup(const css::uno::Reference< css::uno::XComponentContext >& xContext)
: m_xContext (xContext)
{
}
HelpOnStartup::~HelpOnStartup()
{
}
// css.task.XJob
css::uno::Any SAL_CALL HelpOnStartup::execute(const css::uno::Sequence< css::beans::NamedValue >& lArguments)
{
// Analyze the given arguments; try to locate a model there and
// classify it's used application module.
OUString sModule = its_getModuleIdFromEnv(lArguments);
// Attention: we are bound to events for opening any document inside the office.
// That includes e.g. the help module itself. But we have to do nothing then!
if (sModule.isEmpty())
return css::uno::Any();
// check current state of the help module
// a) help isn't open => show default page for the detected module
// b) help shows any other default page(!) => show default page for the detected module
// c) help shows any other content => do nothing (user travelled to any other content and leaved the set of default pages)
OUString sCurrentHelpURL = its_getCurrentHelpURL();
bool bCurrentHelpURLIsAnyDefaultURL = its_isHelpUrlADefaultOne(sCurrentHelpURL);
bool bShowIt = false;
// a)
if (sCurrentHelpURL.isEmpty())
bShowIt = true;
// b)
else if (bCurrentHelpURLIsAnyDefaultURL)
bShowIt = true;
if (bShowIt)
{
// retrieve the help URL for the detected application module
OUString sModuleDependentHelpURL = its_checkIfHelpEnabledAndGetURL(sModule);
if (!sModuleDependentHelpURL.isEmpty())
{
// Show this help page.
// Note: The help window brings itself to front ...
Help* pHelp = Application::GetHelp();
if (pHelp)
pHelp->Start(sModuleDependentHelpURL, static_cast<vcl::Window*>(nullptr));
}
}
return css::uno::Any();
}
void SAL_CALL HelpOnStartup::disposing(const css::lang::EventObject& aEvent)
{
osl::MutexGuard g(m_mutex);
if (aEvent.Source == m_xModuleManager)
m_xModuleManager.clear();
else if (aEvent.Source == m_xDesktop)
m_xDesktop.clear();
else if (aEvent.Source == m_xConfig)
m_xConfig.clear();
}
OUString HelpOnStartup::its_getModuleIdFromEnv(const css::uno::Sequence< css::beans::NamedValue >& lArguments)
{
::comphelper::SequenceAsHashMap lArgs (lArguments);
::comphelper::SequenceAsHashMap lEnvironment = lArgs.getUnpackedValueOrDefault("Environment", css::uno::Sequence< css::beans::NamedValue >());
// check for right environment.
// If it's not a DocumentEvent, which triggered this job,
// we can't work correctly! => return immediately and do nothing
OUString sEnvType = lEnvironment.getUnpackedValueOrDefault("EnvType", OUString());
if (sEnvType != "DOCUMENTEVENT")
return OUString();
css::uno::Reference< css::frame::XModel > xDoc = lEnvironment.getUnpackedValueOrDefault("Model", css::uno::Reference< css::frame::XModel >());
if (!xDoc.is())
return OUString();
// be sure that we work on top level documents only, which are registered
// on the desktop instance. Ignore e.g. life previews, which are top frames too ...
// but not registered at this global desktop instance.
css::uno::Reference< css::frame::XDesktop > xDesktopCheck;
css::uno::Reference< css::frame::XFrame > xFrame;
css::uno::Reference< css::frame::XController > xController = xDoc->getCurrentController();
if (xController.is())
xFrame = xController->getFrame();
if (xFrame.is() && xFrame->isTop())
xDesktopCheck.set(xFrame->getCreator(), css::uno::UNO_QUERY);
if (!xDesktopCheck.is())
return OUString();
// OK - now we are sure this document is a top level document.
// Classify it.
// SAFE ->
osl::ClearableMutexGuard aLock(m_mutex);
css::uno::Reference< css::frame::XModuleManager2 > xModuleManager = m_xModuleManager;
aLock.clear();
// <- SAFE
OUString sModuleId;
try
{
sModuleId = xModuleManager->identify(xDoc);
}
catch(const css::uno::RuntimeException&)
{ throw; }
catch(const css::uno::Exception&)
{ sModuleId.clear(); }
return sModuleId;
}
OUString HelpOnStartup::its_getCurrentHelpURL()
{
// SAFE ->
osl::ClearableMutexGuard aLock(m_mutex);
css::uno::Reference< css::frame::XDesktop2 > xDesktop = m_xDesktop;
aLock.clear();
// <- SAFE
if (!xDesktop.is())
return OUString();
css::uno::Reference< css::frame::XFrame > xHelp = xDesktop->findFrame(SPECIALTARGET_HELPTASK, css::frame::FrameSearchFlag::CHILDREN);
if (!xHelp.is())
return OUString();
OUString sCurrentHelpURL;
try
{
css::uno::Reference< css::frame::XFramesSupplier > xHelpRoot (xHelp , css::uno::UNO_QUERY_THROW);
css::uno::Reference< css::container::XIndexAccess > xHelpChildren(xHelpRoot->getFrames(), css::uno::UNO_QUERY_THROW);
css::uno::Reference< css::frame::XFrame > xHelpChild;
css::uno::Reference< css::frame::XController > xHelpView;
css::uno::Reference< css::frame::XModel > xHelpContent;
xHelpChildren->getByIndex(0) >>= xHelpChild;
if (xHelpChild.is())
xHelpView = xHelpChild->getController();
if (xHelpView.is())
xHelpContent = xHelpView->getModel();
if (xHelpContent.is())
sCurrentHelpURL = xHelpContent->getURL();
}
catch(const css::uno::RuntimeException&)
{ throw; }
catch(const css::uno::Exception&)
{ sCurrentHelpURL.clear(); }
return sCurrentHelpURL;
}
bool HelpOnStartup::its_isHelpUrlADefaultOne(const OUString& sHelpURL)
{
if (sHelpURL.isEmpty())
return false;
// SAFE ->
osl::ClearableMutexGuard aLock(m_mutex);
css::uno::Reference< css::container::XNameAccess > xConfig = m_xConfig;
OUString sLocale = m_sLocale;
OUString sSystem = m_sSystem;
aLock.clear();
// <- SAFE
if (!xConfig.is())
return false;
// check given help url against all default ones
const css::uno::Sequence< OUString > lModules = xConfig->getElementNames();
const OUString* pModules = lModules.getConstArray();
::sal_Int32 c = lModules.getLength();
::sal_Int32 i = 0;
for (i=0; i<c; ++i)
{
try
{
css::uno::Reference< css::container::XNameAccess > xModuleConfig;
xConfig->getByName(pModules[i]) >>= xModuleConfig;
if (!xModuleConfig.is())
continue;
OUString sHelpBaseURL;
xModuleConfig->getByName("ooSetupFactoryHelpBaseURL") >>= sHelpBaseURL;
OUString sHelpURLForModule = HelpOnStartup::ist_createHelpURL(sHelpBaseURL, sLocale, sSystem);
if (sHelpURL == sHelpURLForModule)
return true;
}
catch(const css::uno::RuntimeException&)
{ throw; }
catch(const css::uno::Exception&)
{}
}
return false;
}
OUString HelpOnStartup::its_checkIfHelpEnabledAndGetURL(const OUString& sModule)
{
// SAFE ->
osl::ClearableMutexGuard aLock(m_mutex);
css::uno::Reference< css::container::XNameAccess > xConfig = m_xConfig;
OUString sLocale = m_sLocale;
OUString sSystem = m_sSystem;
aLock.clear();
// <- SAFE
OUString sHelpURL;
try
{
css::uno::Reference< css::container::XNameAccess > xModuleConfig;
if (xConfig.is())
xConfig->getByName(sModule) >>= xModuleConfig;
bool bHelpEnabled = false;
if (xModuleConfig.is())
xModuleConfig->getByName("ooSetupFactoryHelpOnOpen") >>= bHelpEnabled;
if (bHelpEnabled)
{
OUString sHelpBaseURL;
xModuleConfig->getByName("ooSetupFactoryHelpBaseURL") >>= sHelpBaseURL;
sHelpURL = HelpOnStartup::ist_createHelpURL(sHelpBaseURL, sLocale, sSystem);
}
}
catch(const css::uno::RuntimeException&)
{ throw; }
catch(const css::uno::Exception&)
{ sHelpURL.clear(); }
return sHelpURL;
}
OUString HelpOnStartup::ist_createHelpURL(const OUString& sBaseURL,
const OUString& sLocale ,
const OUString& sSystem )
{
return sBaseURL + "?Language=" + sLocale + "&System=" + sSystem;
}
} // namespace framework
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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