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 #pragma once
  11
  12 #include <vector>
  13
  14 #include <rtl/ref.hxx>
  15 #include <cppuhelper/implbase.hxx>
  16 #include <cppuhelper/compbase.hxx>
  17 #include <com/sun/star/lang/XServiceInfo.hpp>
  18 #include <com/sun/star/lang/XSingleServiceFactory.hpp>
  19 #include <com/sun/star/datatransfer/clipboard/XSystemClipboard.hpp>
  20
  21 using namespace css::uno;
  22
  23 /// A clipboard implementation for LibreOfficeKit.
  24 class LOKClipboard final
  25     : public cppu::WeakComponentImplHelper<css::datatransfer::clipboard::XSystemClipboard,
  26                                            css::lang::XServiceInfo>
  27 {
  28     osl::Mutex m_aMutex;
  29     css::uno::Reference<css::datatransfer::XTransferable> m_xTransferable;
  30     css::uno::Reference<css::datatransfer::clipboard::XClipboardOwner> m_aOwner;
  31     std::vector<css::uno::Reference<css::datatransfer::clipboard::XClipboardListener>> m_aListeners;
  32
  33 public:
  34     LOKClipboard();
  35
  36     /// get an XInterface easily.
  37     css::uno::Reference<css::uno::XInterface> getXI()
  38     {
  39         return { static_cast<cppu::OWeakObject*>(this) };
  40     }
  41
  42     // XServiceInfo
  43     OUString SAL_CALL getImplementationName() override;
  44     sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;
  45     Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
  46     static Sequence<OUString> getSupportedServiceNames_static();
  47
  48     // XClipboard
  49     css::uno::Reference<css::datatransfer::XTransferable> SAL_CALL getContents() override;
  50     void SAL_CALL setContents(
  51         const css::uno::Reference<css::datatransfer::XTransferable>& xTransferable,
  52         const css::uno::Reference<css::datatransfer::clipboard::XClipboardOwner>& xClipboardOwner)
  53         override;
  54     OUString SAL_CALL getName() override { return "CLIPBOARD"; }
  55
  56     // XClipboardEx
  57     sal_Int8 SAL_CALL getRenderingCapabilities() override { return 0; }
  58
  59     // XClipboardNotifier
  60     void SAL_CALL addClipboardListener(
  61         const css::uno::Reference<css::datatransfer::clipboard::XClipboardListener>& listener)
  62         override;
  63     void SAL_CALL removeClipboardListener(
  64         const css::uno::Reference<css::datatransfer::clipboard::XClipboardListener>& listener)
  65         override;
  66 };
  67
  68 /// Represents the contents of LOKClipboard.
  69 class LOKTransferable : public cppu::WeakImplHelper<css::datatransfer::XTransferable>
  70 {
  71     css::uno::Sequence<css::datatransfer::DataFlavor> m_aFlavors;
  72     std::vector<css::uno::Any> m_aContent;
  73
  74     static void initFlavourFromMime(css::datatransfer::DataFlavor& rFlavor, OUString aMimeType);
  75
  76 public:
  77     LOKTransferable();
  78     LOKTransferable(size_t nInCount, const char** pInMimeTypes, const size_t* pInSizes,
  79                     const char** pInStreams);
  80     LOKTransferable(const OUString& sMimeType, const css::uno::Sequence<sal_Int8>& aSequence);
  81
  82     css::uno::Any SAL_CALL getTransferData(const css::datatransfer::DataFlavor& rFlavor) override;
  83
  84     css::uno::Sequence<css::datatransfer::DataFlavor> SAL_CALL getTransferDataFlavors() override;
  85
  86     sal_Bool SAL_CALL isDataFlavorSupported(const css::datatransfer::DataFlavor& rFlavor) override;
  87 };
  88
  89 /// Theoretically to hook into the (horrible) vcl dtranscomp.cxx code.
  90 class LOKClipboardFactory : public ::cppu::WeakComponentImplHelper<css::lang::XSingleServiceFactory>
  91 {
  92     static osl::Mutex gMutex;
  93
  94 public:
  95     LOKClipboardFactory()
  96         : cppu::WeakComponentImplHelper<css::lang::XSingleServiceFactory>(gMutex)
  97     {
  98     }
  99
 100     css::uno::Reference<css::uno::XInterface> SAL_CALL createInstance() override
 101     {
 102         return createInstanceWithArguments(css::uno::Sequence<css::uno::Any>());
 103     }
 104     css::uno::Reference<css::uno::XInterface> SAL_CALL
 105     createInstanceWithArguments(const css::uno::Sequence<css::uno::Any>& /* rArgs */) override;
 106
 107     /// Fetch clipboard from the global pool.
 108     static rtl::Reference<LOKClipboard> getClipboardForCurView();
 109
 110     /// Release a clipboard before its document dies, nViewId of -1 clears all.
 111     static void releaseClipboardForView(int nViewId);
 112 };
 113
 114 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */