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Diffstat (limited to 'fpicker/source/win32/VistaFilePickerEventHandler.hxx')
| -rw-r--r-- | fpicker/source/win32/VistaFilePickerEventHandler.hxx | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/fpicker/source/win32/VistaFilePickerEventHandler.hxx b/fpicker/source/win32/VistaFilePickerEventHandler.hxx new file mode 100644 index 000000000..b27ef7326 --- /dev/null +++ b/fpicker/source/win32/VistaFilePickerEventHandler.hxx @@ -0,0 +1,192 @@ +/* -*- 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 . + */ + +#pragma once + +#include <shobjidl.h> + +#include "vistatypes.h" +#include "IVistaFilePickerInternalNotify.hxx" + +#include <com/sun/star/ui/dialogs/XFilePickerListener.hpp> +#include <com/sun/star/uno/Reference.hxx> + +#include <cppuhelper/basemutex.hxx> +#include <comphelper/multicontainer2.hxx> +#include <osl/interlck.h> + +namespace fpicker{ +namespace win32{ +namespace vista{ + + +// types, const etcpp. + + +/** todo document me + */ +class VistaFilePickerEventHandler : public ::cppu::BaseMutex + , public IFileDialogEvents + , public IFileDialogControlEvents +{ + public: + + + // ctor/dtor + + + explicit VistaFilePickerEventHandler(IVistaFilePickerInternalNotify* pInternalNotify); + virtual ~VistaFilePickerEventHandler(); + + + // IUnknown + + virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID rIID , + void** ppObject) override; + virtual ULONG STDMETHODCALLTYPE AddRef() override; + virtual ULONG STDMETHODCALLTYPE Release() override; + + + // IFileDialogEvents + + + STDMETHODIMP OnFileOk(IFileDialog* pDialog) override; + + STDMETHODIMP OnFolderChanging(IFileDialog* pDialog, + IShellItem* pFolder) override; + + STDMETHODIMP OnFolderChange(IFileDialog* pDialog) override; + + STDMETHODIMP OnSelectionChange(IFileDialog* pDialog) override; + + STDMETHODIMP OnShareViolation(IFileDialog* pDialog , + IShellItem* pItem , + FDE_SHAREVIOLATION_RESPONSE* pResponse) override; + + STDMETHODIMP OnTypeChange(IFileDialog* pDialog) override; + + STDMETHODIMP OnOverwrite(IFileDialog* pDialog , + IShellItem* pItem , + FDE_OVERWRITE_RESPONSE* pResponse) override; + + + // IFileDialogControlEvents + + + STDMETHODIMP OnItemSelected(IFileDialogCustomize* pCustomize, + DWORD nIDCtl , + DWORD nIDItem ) override; + + STDMETHODIMP OnButtonClicked(IFileDialogCustomize* pCustomize, + DWORD nIDCtl ) override; + + STDMETHODIMP OnCheckButtonToggled(IFileDialogCustomize* pCustomize, + DWORD nIDCtl , + BOOL bChecked ) override; + + STDMETHODIMP OnControlActivating(IFileDialogCustomize* pCustomize, + DWORD nIDCtl ) override; + + + // XFilePickerNotifier + + /// @throws css::uno::RuntimeException + virtual void addFilePickerListener( const css::uno::Reference< css::ui::dialogs::XFilePickerListener >& xListener ); + + /// @throws css::uno::RuntimeException + virtual void removeFilePickerListener( const css::uno::Reference< css::ui::dialogs::XFilePickerListener >& xListener ); + + + // native interface + + + /** start listening for file picker events on the given file open dialog COM object. + * + * The broadcaster will be cached internally so deregistration will be easy. + * Further all needed information is capsulated within this class (e.g. the listener handler). + * Nobody outside must know such information. + * + * Nothing will happen if an inconsistent state will be detected + * (means: double registration will be ignored). + * + * @param pBroadcaster + * reference to the dialog, where we should start listening. + */ + void startListening( const TFileDialog& pBroadcaster ); + + + /** stop listening for file picker events on the internally cached dialog COM object. + * + * The COM dialog provided on the startListening() call was cached internally. + * And now it's used to deregister this listener. Doing so the also internally cached + * listener handle is used. If listener was not already registered - nothing will happen. + */ + void stopListening(); + + public: + + enum EEventType + { + E_FILE_SELECTION_CHANGED, + E_DIRECTORY_CHANGED, + E_HELP_REQUESTED, + E_CONTROL_STATE_CHANGED, + E_DIALOG_SIZE_CHANGED + }; + + private: + + + /// @todo document me + void impl_sendEvent( EEventType eEventType, + ::sal_Int16 nControlID); + + private: + + + /// ref count for AddRef/Release() + oslInterlockedCount m_nRefCount; + + + /// unique handle for this listener provided by the broadcaster on registration time + DWORD m_nListenerHandle; + + + /// cached file dialog instance (there we listen for events) + TFileDialog m_pDialog; + + + IVistaFilePickerInternalNotify* m_pInternalNotify; + + + /** used to inform file picker listener asynchronously. + * Those listener must be called asynchronously .. because + * every request will block the caller thread. Mostly that will be + * the main thread of the office. Further the global SolarMutex will + * be locked during this time. If we call our listener back now synchronously .. + * we will block on SolarMutex.acquire() forever .-)) + */ + comphelper::OMultiTypeInterfaceContainerHelper2 m_lListener; +}; + +} // namespace vista +} // namespace win32 +} // namespace fpicker + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |