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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
commit940b4d1848e8c70ab7642901a68594e8016caffc (patch)
treeeb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /fpicker/source/win32/VistaFilePickerEventHandler.hxx
parentInitial commit. (diff)
downloadlibreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.tar.xz
libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.zip
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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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 .
+ */
+
+#ifndef INCLUDED_FPICKER_SOURCE_WIN32_FILEPICKER_VISTAFILEPICKEREVENTHANDLER_HXX
+#define INCLUDED_FPICKER_SOURCE_WIN32_FILEPICKER_VISTAFILEPICKEREVENTHANDLER_HXX
+
+#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 <cppuhelper/interfacecontainer.h>
+#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 .-))
+ */
+ ::cppu::OMultiTypeInterfaceContainerHelper m_lListener;
+};
+
+} // namespace vista
+} // namespace win32
+} // namespace fpicker
+
+#endif // INCLUDED_FPICKER_SOURCE_WIN32_FILEPICKER_VISTAFILEPICKEREVENTHANDLER_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */