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Diffstat (limited to 'vcl/ios/DataFlavorMapping.hxx')
-rw-r--r-- | vcl/ios/DataFlavorMapping.hxx | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/vcl/ios/DataFlavorMapping.hxx b/vcl/ios/DataFlavorMapping.hxx new file mode 100644 index 000000000..dd115575f --- /dev/null +++ b/vcl/ios/DataFlavorMapping.hxx @@ -0,0 +1,124 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */ +/* + * 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 <com/sun/star/datatransfer/DataFlavor.hpp> +#include <com/sun/star/datatransfer/XMimeContentTypeFactory.hpp> +#include <com/sun/star/datatransfer/XTransferable.hpp> +#include <com/sun/star/lang/XMultiComponentFactory.hpp> + +#include <premac.h> +#import <UIKit/UIKit.h> +#include <postmac.h> + +#include <memory> +#include <unordered_map> + +/* An interface to get the clipboard data in either + system or OOo format. + */ +class DataProvider +{ +public: + virtual ~DataProvider(){}; + + /* Get the clipboard data in the system format. + The caller has to retain/release the returned + CFDataRef on demand. + */ + virtual NSData* getSystemData() = 0; + + /* Get the clipboard data in OOo format. + */ + virtual css::uno::Any getOOoData() = 0; +}; + +typedef std::unique_ptr<DataProvider> DataProviderPtr_t; + +class DataFlavorMapper +{ +public: + /* Initialize a DataFavorMapper instance. Throws a RuntimeException in case the XMimeContentTypeFactory service + cannot be created. + */ + DataFlavorMapper(); + ~DataFlavorMapper(); + + /* Map a system data flavor to an OpenOffice data flavor. + Return an empty string if there is not suitable + mapping from a system data flavor to an OpenOffice data + flavor. + */ + css::datatransfer::DataFlavor systemToOpenOfficeFlavor(const NSString* systemDataFlavor) const; + + /* Map an OpenOffice data flavor to a system data flavor. + If there is no suitable mapping available NULL will + be returned. + */ + NSString* openOfficeToSystemFlavor(const css::datatransfer::DataFlavor& oooDataFlavor, + bool& rbInternal) const; + + /* Select the best available image data type + If there is no suitable mapping available NULL will + be returned. + */ + static NSString* openOfficeImageToSystemFlavor(); + + /* Get a data provider which is able to provide the data 'rTransferable' offers in a format that can + be put on to the system clipboard. + */ + DataProviderPtr_t getDataProvider( + const NSString* systemFlavor, + const css::uno::Reference<css::datatransfer::XTransferable>& rTransferable) const; + + /* Get a data provider which is able to provide 'systemData' in the OOo expected format. + */ + static DataProviderPtr_t getDataProvider(const NSString* systemFlavor, NSArray* systemData); + + /* Get a data provider which is able to provide 'systemData' in the OOo expected format. + */ + static DataProviderPtr_t getDataProvider(const NSString* systemFlavor, NSData* systemData); + + /* Translate a sequence of DataFlavors into a NSArray of system types. + Only those DataFlavors for which a suitable mapping to a system + type exist will be contained in the returned types array. + */ + NSArray* flavorSequenceToTypesArray( + const css::uno::Sequence<css::datatransfer::DataFlavor>& flavors) const; + + /* Translate a NSArray of system types into a sequence of DataFlavors. + Only those types for which a suitable mapping to a DataFlavor + exist will be contained in the new DataFlavor Sequence. + */ + css::uno::Sequence<css::datatransfer::DataFlavor> + typesArrayToFlavorSequence(NSArray* types) const; + +private: + /* Determines if the provided Mime content type is valid. + */ + bool isValidMimeContentType(const OUString& contentType) const; + +private: + css::uno::Reference<css::datatransfer::XMimeContentTypeFactory> mrXMimeCntFactory; + typedef std::unordered_map<OUString, NSString*> OfficeOnlyTypes; + mutable OfficeOnlyTypes maOfficeOnlyTypes; +}; + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |