desktop/source/lib/lokclipboard.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #ifndef INCLUDED_DESKTOP_SOURCE_LIB_LOKCLIPBOARD_HXX
  11 #define INCLUDED_DESKTOP_SOURCE_LIB_LOKCLIPBOARD_HXX
  12
  13 #include <vector>
  14 #include <unordered_map>
  15
  16 #include <rtl/ref.hxx>
  17 #include <cppuhelper/implbase.hxx>
  18 #include <cppuhelper/compbase.hxx>
  19 #include <comphelper/sequence.hxx>
  20 #include <com/sun/star/lang/XServiceInfo.hpp>
  21 #include <com/sun/star/lang/XSingleServiceFactory.hpp>
  22 #include <com/sun/star/datatransfer/clipboard/XSystemClipboard.hpp>
  23
  24 using namespace css::uno;
  25
  26 /// A clipboard implementation for LibreOfficeKit.
  27 class LOKClipboard
  28     : public cppu::WeakComponentImplHelper<css::datatransfer::clipboard::XSystemClipboard,
  29                                            css::lang::XServiceInfo>
  30 {
  31     osl::Mutex m_aMutex;
  32     css::uno::Reference<css::datatransfer::XTransferable> m_xTransferable;
  33     css::uno::Reference<css::datatransfer::clipboard::XClipboardOwner> m_aOwner;
  34     std::vector<css::uno::Reference<css::datatransfer::clipboard::XClipboardListener>> m_aListeners;
  35
  36 public:
  37     LOKClipboard();
  38
  39     /// get an XInterface easily.
  40     css::uno::Reference<css::uno::XInterface> getXI()
  41     {
  42         return css::uno::Reference<css::uno::XInterface>(static_cast<cppu::OWeakObject*>(this));
  43     }
  44
  45     // XServiceInfo
  46     virtual OUString SAL_CALL getImplementationName() override;
  47     virtual sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;
  48     virtual Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
  49     static Sequence<OUString> getSupportedServiceNames_static();
  50
  51     // XClipboard
  52     css::uno::Reference<css::datatransfer::XTransferable> SAL_CALL getContents() override;
  53     void SAL_CALL setContents(
  54         const css::uno::Reference<css::datatransfer::XTransferable>& xTransferable,
  55         const css::uno::Reference<css::datatransfer::clipboard::XClipboardOwner>& xClipboardOwner)
  56         override;
  57     OUString SAL_CALL getName() override { return "CLIPBOARD"; }
  58
  59     // XClipboardEx
  60     sal_Int8 SAL_CALL getRenderingCapabilities() override { return 0; }
  61
  62     // XClipboardNotifier
  63     void SAL_CALL addClipboardListener(
  64         const css::uno::Reference<css::datatransfer::clipboard::XClipboardListener>& listener)
  65         override;
  66     void SAL_CALL removeClipboardListener(
  67         const css::uno::Reference<css::datatransfer::clipboard::XClipboardListener>& listener)
  68         override;
  69 };
  70
  71 /// Represents the contents of LOKClipboard.
  72 class LOKTransferable : public cppu::WeakImplHelper<css::datatransfer::XTransferable>
  73 {
  74     css::uno::Sequence<css::datatransfer::DataFlavor> m_aFlavors;
  75     std::vector<css::uno::Any> m_aContent;
  76
  77     static void initFlavourFromMime(css::datatransfer::DataFlavor& rFlavor, OUString sMimeType);
  78
  79 public:
  80     LOKTransferable();
  81     LOKTransferable(const size_t nInCount, const char** pInMimeTypes, const size_t* pInSizes,
  82                     const char** pInStreams);
  83     LOKTransferable(const OUString& sMimeType, const css::uno::Sequence<sal_Int8>& aSequence);
  84
  85     css::uno::Any SAL_CALL getTransferData(const css::datatransfer::DataFlavor& rFlavor) override;
  86
  87     css::uno::Sequence<css::datatransfer::DataFlavor> SAL_CALL getTransferDataFlavors() override;
  88
  89     sal_Bool SAL_CALL isDataFlavorSupported(const css::datatransfer::DataFlavor& rFlavor) override;
  90 };
  91
  92 /// Theoretically to hook into the (horrible) vcl dtranscomp.cxx code.
  93 class LOKClipboardFactory : public ::cppu::WeakComponentImplHelper<css::lang::XSingleServiceFactory>
  94 {
  95     static osl::Mutex gMutex;
  96
  97 public:
  98     LOKClipboardFactory()
  99         : cppu::WeakComponentImplHelper<css::lang::XSingleServiceFactory>(gMutex)
 100     {
 101     }
 102
 103     css::uno::Reference<css::uno::XInterface> SAL_CALL createInstance() override
 104     {
 105         return createInstanceWithArguments(css::uno::Sequence<css::uno::Any>());
 106     }
 107     css::uno::Reference<css::uno::XInterface> SAL_CALL
 108     createInstanceWithArguments(const css::uno::Sequence<css::uno::Any>& /* rArgs */) override;
 109
 110     /// Fetch clipboard from the gobal pool.
 111     static rtl::Reference<LOKClipboard> getClipboardForCurView();
 112
 113     /// Release a clipboard before its document dies, nViewId of -1 clears all.
 114     static void releaseClipboardForView(int nViewId);
 115 };
 116
 117 #endif
 118
 119 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */