192 lines
6.5 KiB
C++
192 lines
6.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <shobjidl.h>
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#include "vistatypes.h"
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#include "IVistaFilePickerInternalNotify.hxx"
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#include <com/sun/star/ui/dialogs/XFilePickerListener.hpp>
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#include <com/sun/star/uno/Reference.hxx>
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#include <cppuhelper/basemutex.hxx>
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#include <comphelper/multicontainer2.hxx>
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#include <osl/interlck.h>
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namespace fpicker{
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namespace win32{
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namespace vista{
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// types, const etcpp.
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/** todo document me
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*/
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class VistaFilePickerEventHandler : public ::cppu::BaseMutex
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, public IFileDialogEvents
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, public IFileDialogControlEvents
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{
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public:
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// ctor/dtor
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explicit VistaFilePickerEventHandler(IVistaFilePickerInternalNotify* pInternalNotify);
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virtual ~VistaFilePickerEventHandler();
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// IUnknown
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virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID rIID ,
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void** ppObject) override;
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virtual ULONG STDMETHODCALLTYPE AddRef() override;
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virtual ULONG STDMETHODCALLTYPE Release() override;
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// IFileDialogEvents
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STDMETHODIMP OnFileOk(IFileDialog* pDialog) override;
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STDMETHODIMP OnFolderChanging(IFileDialog* pDialog,
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IShellItem* pFolder) override;
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STDMETHODIMP OnFolderChange(IFileDialog* pDialog) override;
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STDMETHODIMP OnSelectionChange(IFileDialog* pDialog) override;
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STDMETHODIMP OnShareViolation(IFileDialog* pDialog ,
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IShellItem* pItem ,
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FDE_SHAREVIOLATION_RESPONSE* pResponse) override;
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STDMETHODIMP OnTypeChange(IFileDialog* pDialog) override;
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STDMETHODIMP OnOverwrite(IFileDialog* pDialog ,
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IShellItem* pItem ,
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FDE_OVERWRITE_RESPONSE* pResponse) override;
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// IFileDialogControlEvents
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STDMETHODIMP OnItemSelected(IFileDialogCustomize* pCustomize,
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DWORD nIDCtl ,
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DWORD nIDItem ) override;
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STDMETHODIMP OnButtonClicked(IFileDialogCustomize* pCustomize,
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DWORD nIDCtl ) override;
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STDMETHODIMP OnCheckButtonToggled(IFileDialogCustomize* pCustomize,
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DWORD nIDCtl ,
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BOOL bChecked ) override;
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STDMETHODIMP OnControlActivating(IFileDialogCustomize* pCustomize,
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DWORD nIDCtl ) override;
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// XFilePickerNotifier
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/// @throws css::uno::RuntimeException
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virtual void addFilePickerListener( const css::uno::Reference< css::ui::dialogs::XFilePickerListener >& xListener );
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/// @throws css::uno::RuntimeException
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virtual void removeFilePickerListener( const css::uno::Reference< css::ui::dialogs::XFilePickerListener >& xListener );
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// native interface
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/** start listening for file picker events on the given file open dialog COM object.
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*
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* The broadcaster will be cached internally so deregistration will be easy.
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* Further all needed information is capsulated within this class (e.g. the listener handler).
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* Nobody outside must know such information.
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*
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* Nothing will happen if an inconsistent state will be detected
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* (means: double registration will be ignored).
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*
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* @param pBroadcaster
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* reference to the dialog, where we should start listening.
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*/
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void startListening( const TFileDialog& pBroadcaster );
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/** stop listening for file picker events on the internally cached dialog COM object.
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*
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* The COM dialog provided on the startListening() call was cached internally.
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* And now it's used to deregister this listener. Doing so the also internally cached
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* listener handle is used. If listener was not already registered - nothing will happen.
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*/
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void stopListening();
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public:
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enum EEventType
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{
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E_FILE_SELECTION_CHANGED,
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E_DIRECTORY_CHANGED,
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E_HELP_REQUESTED,
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E_CONTROL_STATE_CHANGED,
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E_DIALOG_SIZE_CHANGED
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};
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private:
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/// @todo document me
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void impl_sendEvent( EEventType eEventType,
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::sal_Int16 nControlID);
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private:
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/// ref count for AddRef/Release()
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oslInterlockedCount m_nRefCount;
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/// unique handle for this listener provided by the broadcaster on registration time
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DWORD m_nListenerHandle;
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/// cached file dialog instance (there we listen for events)
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TFileDialog m_pDialog;
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IVistaFilePickerInternalNotify* m_pInternalNotify;
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/** used to inform file picker listener asynchronously.
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* Those listener must be called asynchronously .. because
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* every request will block the caller thread. Mostly that will be
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* the main thread of the office. Further the global SolarMutex will
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* be locked during this time. If we call our listener back now synchronously ..
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* we will block on SolarMutex.acquire() forever .-))
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*/
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comphelper::OMultiTypeInterfaceContainerHelper2 m_lListener;
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};
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} // namespace vista
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} // namespace win32
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} // namespace fpicker
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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