vcl/inc/qt5/Qt5DragAndDrop.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
  11 #pragma once
  12
  13 #include <com/sun/star/datatransfer/dnd/XDragSource.hpp>
  14 #include <com/sun/star/datatransfer/dnd/XDropTarget.hpp>
  15 #include <com/sun/star/lang/XInitialization.hpp>
  16 #include <com/sun/star/lang/XServiceInfo.hpp>
  17 #include <cppuhelper/compbase.hxx>
  18
  19 class Qt5Frame;
  20
  21 class Qt5DragSource final
  22     : public cppu::WeakComponentImplHelper<css::datatransfer::dnd::XDragSource,
  23                                            css::lang::XInitialization, css::lang::XServiceInfo>
  24 {
  25     osl::Mutex m_aMutex;
  26     Qt5Frame* m_pFrame;
  27     css::uno::Reference<css::datatransfer::dnd::XDragSourceListener> m_xListener;
  28
  29 public:
  30     Qt5DragSource()
  31         : WeakComponentImplHelper(m_aMutex)
  32         , m_pFrame(nullptr)
  33     {
  34     }
  35
  36     virtual ~Qt5DragSource() override;
  37
  38     // XDragSource
  39     virtual sal_Bool SAL_CALL isDragImageSupported() override;
  40     virtual sal_Int32 SAL_CALL getDefaultCursor(sal_Int8 dragAction) override;
  41     virtual void SAL_CALL startDrag(
  42         const css::datatransfer::dnd::DragGestureEvent& trigger, sal_Int8 sourceActions,
  43         sal_Int32 cursor, sal_Int32 image,
  44         const css::uno::Reference<css::datatransfer::XTransferable>& transferable,
  45         const css::uno::Reference<css::datatransfer::dnd::XDragSourceListener>& listener) override;
  46
  47     // XInitialization
  48     virtual void SAL_CALL initialize(const css::uno::Sequence<css::uno::Any>& rArguments) override;
  49     void deinitialize();
  50
  51     OUString SAL_CALL getImplementationName() override;
  52
  53     sal_Bool SAL_CALL supportsService(OUString const& ServiceName) override;
  54
  55     css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
  56
  57     void fire_dragEnd(sal_Int8 nAction, bool bSuccessful);
  58 };
  59
  60 class Qt5DropTarget final
  61     : public cppu::WeakComponentImplHelper<css::datatransfer::dnd::XDropTarget,
  62                                            css::datatransfer::dnd::XDropTargetDragContext,
  63                                            css::datatransfer::dnd::XDropTargetDropContext,
  64                                            css::lang::XInitialization, css::lang::XServiceInfo>
  65 {
  66     osl::Mutex m_aMutex;
  67     Qt5Frame* m_pFrame;
  68     sal_Int8 m_nDropAction;
  69     bool m_bActive;
  70     sal_Int8 m_nDefaultActions;
  71     std::vector<css::uno::Reference<css::datatransfer::dnd::XDropTargetListener>> m_aListeners;
  72     bool m_bDropSuccessful;
  73
  74 public:
  75     Qt5DropTarget();
  76     virtual ~Qt5DropTarget() override;
  77
  78     // XInitialization
  79     virtual void SAL_CALL initialize(const css::uno::Sequence<css::uno::Any>& rArgs) override;
  80     void deinitialize();
  81
  82     // XDropTarget
  83     virtual void SAL_CALL addDropTargetListener(
  84         const css::uno::Reference<css::datatransfer::dnd::XDropTargetListener>&) override;
  85     virtual void SAL_CALL removeDropTargetListener(
  86         const css::uno::Reference<css::datatransfer::dnd::XDropTargetListener>&) override;
  87     virtual sal_Bool SAL_CALL isActive() override;
  88     virtual void SAL_CALL setActive(sal_Bool active) override;
  89     virtual sal_Int8 SAL_CALL getDefaultActions() override;
  90     virtual void SAL_CALL setDefaultActions(sal_Int8 actions) override;
  91
  92     // XDropTargetDragContext
  93     virtual void SAL_CALL acceptDrag(sal_Int8 dragOperation) override;
  94     virtual void SAL_CALL rejectDrag() override;
  95
  96     // XDropTargetDropContext
  97     virtual void SAL_CALL acceptDrop(sal_Int8 dropOperation) override;
  98     virtual void SAL_CALL rejectDrop() override;
  99     virtual void SAL_CALL dropComplete(sal_Bool success) override;
 100
 101     // XServiceInfo
 102     OUString SAL_CALL getImplementationName() override;
 103     sal_Bool SAL_CALL supportsService(OUString const& ServiceName) override;
 104     css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
 105
 106     void fire_dragEnter(const css::datatransfer::dnd::DropTargetDragEnterEvent& dtde);
 107     void fire_dragExit(const css::datatransfer::dnd::DropTargetEvent& dte);
 108     void fire_dragOver(const css::datatransfer::dnd::DropTargetDragEnterEvent& dtde);
 109     void fire_drop(const css::datatransfer::dnd::DropTargetDropEvent& dtde);
 110
 111     sal_Int8 proposedDropAction() const { return m_nDropAction; }
 112     bool dropSuccessful() const { return m_bDropSuccessful; }
 113 };
 114
 115 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */