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Diffstat (limited to 'framework/source/helper/persistentwindowstate.cxx')
| -rw-r--r-- | framework/source/helper/persistentwindowstate.cxx | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/framework/source/helper/persistentwindowstate.cxx b/framework/source/helper/persistentwindowstate.cxx new file mode 100644 index 000000000..29ad01c1d --- /dev/null +++ b/framework/source/helper/persistentwindowstate.cxx @@ -0,0 +1,262 @@ +/* -*- 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 <helper/persistentwindowstate.hxx> + +#include <com/sun/star/awt/XWindow.hpp> +#include <com/sun/star/lang/IllegalArgumentException.hpp> +#include <com/sun/star/frame/ModuleManager.hpp> + +#include <comphelper/lok.hxx> +#include <comphelper/configurationhelper.hxx> +#include <vcl/window.hxx> +#include <vcl/syswin.hxx> + +#include <toolkit/helper/vclunohelper.hxx> +#include <vcl/svapp.hxx> +#include <vcl/wrkwin.hxx> + +namespace framework{ + +PersistentWindowState::PersistentWindowState(const css::uno::Reference< css::uno::XComponentContext >& xContext) + : m_xContext (xContext ) + , m_bWindowStateAlreadySet(false ) +{ +} + +PersistentWindowState::~PersistentWindowState() +{ +} + +void SAL_CALL PersistentWindowState::initialize(const css::uno::Sequence< css::uno::Any >& lArguments) +{ + // check arguments + css::uno::Reference< css::frame::XFrame > xFrame; + if (!lArguments.hasElements()) + throw css::lang::IllegalArgumentException( + "Empty argument list!", + static_cast< ::cppu::OWeakObject* >(this), + 1); + + lArguments[0] >>= xFrame; + if (!xFrame.is()) + throw css::lang::IllegalArgumentException( + "No valid frame specified!", + static_cast< ::cppu::OWeakObject* >(this), + 1); + + { + SolarMutexGuard g; + m_xFrame = xFrame; + } + + // start listening + xFrame->addFrameActionListener(this); +} + +void SAL_CALL PersistentWindowState::frameAction(const css::frame::FrameActionEvent& aEvent) +{ + // We don't want to do this stuff when being used through LibreOfficeKit + if( comphelper::LibreOfficeKit::isActive() ) + return; + + css::uno::Reference< css::uno::XComponentContext > xContext; + css::uno::Reference< css::frame::XFrame > xFrame; + bool bRestoreWindowState; + { + SolarMutexGuard g; + xContext = m_xContext; + xFrame.set(m_xFrame.get(), css::uno::UNO_QUERY); + bRestoreWindowState = !m_bWindowStateAlreadySet; + } + + // frame already gone ? We hold it weak only ... + if (!xFrame.is()) + return; + + // no window -> no position and size available + css::uno::Reference< css::awt::XWindow > xWindow = xFrame->getContainerWindow(); + if (!xWindow.is()) + return; + + // unknown module -> no configuration available! + OUString sModuleName = PersistentWindowState::implst_identifyModule(xContext, xFrame); + if (sModuleName.isEmpty()) + return; + + switch(aEvent.Action) + { + case css::frame::FrameAction_COMPONENT_ATTACHED : + { + if (bRestoreWindowState) + { + OUString sWindowState = PersistentWindowState::implst_getWindowStateFromConfig(xContext, sModuleName); + PersistentWindowState::implst_setWindowStateOnWindow(xWindow,sWindowState); + SolarMutexGuard g; + m_bWindowStateAlreadySet = true; + } + } + break; + + case css::frame::FrameAction_COMPONENT_REATTACHED : + { + // nothing todo here, because it's not allowed to change position and size + // of an already existing frame! + } + break; + + case css::frame::FrameAction_COMPONENT_DETACHING : + { + OUString sWindowState = PersistentWindowState::implst_getWindowStateFromWindow(xWindow); + PersistentWindowState::implst_setWindowStateOnConfig(xContext, sModuleName, sWindowState); + } + break; + default: + break; + } +} + +void SAL_CALL PersistentWindowState::disposing(const css::lang::EventObject&) +{ + // nothing todo here - because we hold the frame as weak reference only +} + +OUString PersistentWindowState::implst_identifyModule(const css::uno::Reference< css::uno::XComponentContext >& rxContext, + const css::uno::Reference< css::frame::XFrame >& xFrame) +{ + OUString sModuleName; + + css::uno::Reference< css::frame::XModuleManager2 > xModuleManager = + css::frame::ModuleManager::create( rxContext ); + + try + { + sModuleName = xModuleManager->identify(xFrame); + } + catch(const css::uno::RuntimeException&) + { throw; } + catch(const css::uno::Exception&) + { sModuleName.clear(); } + + return sModuleName; +} + +OUString PersistentWindowState::implst_getWindowStateFromConfig( + const css::uno::Reference< css::uno::XComponentContext >& rxContext, + const OUString& sModuleName) +{ + OUString sWindowState; + try + { + ::comphelper::ConfigurationHelper::readDirectKey(rxContext, + "org.openoffice.Setup/", + "Office/Factories/*[\"" + sModuleName + "\"]", + "ooSetupFactoryWindowAttributes", + ::comphelper::EConfigurationModes::ReadOnly) >>= sWindowState; + } + catch(const css::uno::RuntimeException&) + { throw; } + catch(const css::uno::Exception&) + { sWindowState.clear(); } + + return sWindowState; +} + +void PersistentWindowState::implst_setWindowStateOnConfig( + const css::uno::Reference< css::uno::XComponentContext >& rxContext, + const OUString& sModuleName, const OUString& sWindowState) +{ + try + { + ::comphelper::ConfigurationHelper::writeDirectKey(rxContext, + "org.openoffice.Setup/", + "Office/Factories/*[\"" + sModuleName + "\"]", + "ooSetupFactoryWindowAttributes", + css::uno::makeAny(sWindowState), + ::comphelper::EConfigurationModes::Standard); + } + catch(const css::uno::RuntimeException&) + { throw; } + catch(const css::uno::Exception&) + {} +} + +OUString PersistentWindowState::implst_getWindowStateFromWindow(const css::uno::Reference< css::awt::XWindow >& xWindow) +{ + OUString sWindowState; + + if (xWindow.is()) + { + // SOLAR SAFE -> ------------------------ + SolarMutexGuard aSolarGuard; + + VclPtr<vcl::Window> pWindow = VCLUnoHelper::GetWindow(xWindow); + // check for system window is necessary to guarantee correct pointer cast! + if ( pWindow && pWindow->IsSystemWindow() ) + { + WindowStateMask const nMask = WindowStateMask::All & ~WindowStateMask::Minimized; + sWindowState = OStringToOUString( + static_cast<SystemWindow*>(pWindow.get())->GetWindowState(nMask), + RTL_TEXTENCODING_UTF8); + } + // <- SOLAR SAFE ------------------------ + } + + return sWindowState; +} + +void PersistentWindowState::implst_setWindowStateOnWindow(const css::uno::Reference< css::awt::XWindow >& xWindow , + const OUString& sWindowState) +{ + if ( + (!xWindow.is() ) || + ( sWindowState.isEmpty() ) + ) + return; + + // SOLAR SAFE -> ------------------------ + SolarMutexGuard aSolarGuard; + + VclPtr<vcl::Window> pWindow = VCLUnoHelper::GetWindow(xWindow); + if (!pWindow) + return; + + // check for system and work window - it's necessary to guarantee correct pointer cast! + bool bSystemWindow = pWindow->IsSystemWindow(); + bool bWorkWindow = (pWindow->GetType() == WindowType::WORKWINDOW); + + if (!bSystemWindow && !bWorkWindow) + return; + + SystemWindow* pSystemWindow = static_cast<SystemWindow*>(pWindow.get()); + WorkWindow* pWorkWindow = static_cast<WorkWindow* >(pWindow.get()); + + // don't save this special state! + if (pWorkWindow->IsMinimized()) + return; + + OUString sOldWindowState = OStringToOUString( pSystemWindow->GetWindowState(), RTL_TEXTENCODING_ASCII_US ); + if ( sOldWindowState != sWindowState ) + pSystemWindow->SetWindowState(OUStringToOString(sWindowState,RTL_TEXTENCODING_UTF8)); + // <- SOLAR SAFE ------------------------ +} + +} // namespace framework + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |