| /* |
| * Copyright (c) 1997, 2009, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #ifndef AWT_DND_DS_H |
| #define AWT_DND_DS_H |
| |
| #include <Ole2.h> |
| |
| #include <jni.h> |
| #include <jvm.h> |
| #include <jni_util.h> |
| |
| #include "awt_Object.h" |
| #include "awt_Component.h" |
| #include "awt_Window.h" |
| |
| class AwtCursor; |
| |
| /** |
| * Drag Source code |
| */ |
| |
| class AwtDragSource : virtual public IDropSource, virtual public IDataObject { |
| public: |
| |
| AwtDragSource(JNIEnv* env, jobject peer, jobject component, |
| jobject transferable, jobject trigger, |
| jint actions, jlongArray formats, jobject formatMap); |
| |
| virtual ~AwtDragSource(); |
| |
| // IUnknown |
| |
| virtual HRESULT __stdcall QueryInterface(REFIID riid, void __RPC_FAR *__RPC_FAR *ppvObject); |
| |
| virtual ULONG __stdcall AddRef(void); |
| virtual ULONG __stdcall Release(void); |
| |
| // IDropSource |
| |
| virtual HRESULT __stdcall QueryContinueDrag(BOOL fEscapeKeyPressed, DWORD grfKeyState); |
| |
| virtual HRESULT __stdcall GiveFeedback(DWORD dwEffect); |
| |
| // IDataObject |
| |
| virtual HRESULT __stdcall GetData(FORMATETC __RPC_FAR *pFormatEtc, STGMEDIUM __RPC_FAR *pmedium); |
| virtual HRESULT __stdcall GetDataHere(FORMATETC __RPC_FAR *pFormatEtc, STGMEDIUM __RPC_FAR *pmedium); |
| |
| virtual HRESULT __stdcall QueryGetData(FORMATETC __RPC_FAR *pFormatEtc); |
| |
| virtual HRESULT __stdcall GetCanonicalFormatEtc(FORMATETC __RPC_FAR *pFormatEtcIn, FORMATETC __RPC_FAR *pFormatEtcOut); |
| |
| virtual HRESULT __stdcall SetData(FORMATETC __RPC_FAR *pFormatEtc, STGMEDIUM __RPC_FAR *pmedium, BOOL fRelease); |
| |
| virtual HRESULT __stdcall EnumFormatEtc(DWORD dwDirection, IEnumFORMATETC *__RPC_FAR *ppenumFormatEtc); |
| |
| virtual HRESULT __stdcall DAdvise(FORMATETC __RPC_FAR *pFormatEtc, DWORD advf, IAdviseSink __RPC_FAR *pAdvSink, DWORD __RPC_FAR *pdwConnection); |
| virtual HRESULT __stdcall DUnadvise(DWORD dwConnection); |
| virtual HRESULT __stdcall EnumDAdvise(IEnumSTATDATA __RPC_FAR *__RPC_FAR *ppenumAdvise); |
| |
| |
| // AwtDragSource |
| |
| static void StartDrag( |
| AwtDragSource* self, |
| jobject cursor, |
| jintArray imageData, |
| jint imageWidth, |
| jint imageHeight, |
| jint x, |
| jint y); |
| |
| HRESULT ChangeCursor(); |
| void SetCursor(jobject cursor); |
| |
| INLINE unsigned int getNTypes() { return m_ntypes; } |
| |
| INLINE FORMATETC getType(unsigned int i) { return m_types[i]; } |
| |
| INLINE jobject GetPeer() { return m_peer; } |
| |
| INLINE void Signal() { ::ReleaseMutex(m_mutex); } |
| |
| virtual HRESULT __stdcall GetProcessId(FORMATETC __RPC_FAR *pFormatEtc, STGMEDIUM __RPC_FAR *pmedium); |
| |
| protected: |
| INLINE void WaitUntilSignalled(BOOL retain) { |
| do { |
| // nothing ... |
| } while(::WaitForSingleObject(m_mutex, INFINITE) == WAIT_FAILED); |
| |
| if (!retain) ::ReleaseMutex(m_mutex); |
| } |
| |
| static void _DoDragDrop(void* param); |
| |
| HRESULT __stdcall MatchFormatEtc(FORMATETC __RPC_FAR *pFormatEtcIn, FORMATETC *cacheEnt); |
| |
| private: |
| |
| void LoadCache(jlongArray formats); |
| void UnloadCache(); |
| |
| static int __cdecl _compar(const void *, const void *); |
| |
| static void call_dSCenter(JNIEnv* env, jobject self, jint targetActions, |
| jint modifiers, jint x, jint y); |
| static void call_dSCmotion(JNIEnv* env, jobject self, |
| jint targetActions, jint modifiers, |
| jint x, jint y); |
| static void call_dSCchanged(JNIEnv* env, jobject self, |
| jint targetActions, jint modifiers, |
| jint x, jint y); |
| static void call_dSCmouseMoved(JNIEnv* env, jobject self, |
| jint targetActions, jint modifiers, |
| jint x, jint y); |
| static void call_dSCexit(JNIEnv* env, jobject self, jint x, jint y); |
| static void call_dSCddfinished(JNIEnv* env, jobject self, |
| jboolean success, jint operations, |
| jint x, jint y); |
| protected: |
| |
| class ADSIEnumFormatEtc : public virtual IEnumFORMATETC { |
| public: |
| ADSIEnumFormatEtc(AwtDragSource* parent); |
| |
| virtual ~ADSIEnumFormatEtc(); |
| |
| // IUnknown |
| |
| virtual HRESULT __stdcall QueryInterface(REFIID riid, void __RPC_FAR *__RPC_FAR *ppvObject); |
| |
| virtual ULONG __stdcall AddRef(void); |
| virtual ULONG __stdcall Release(void); |
| |
| // IEnumFORMATETC |
| |
| virtual HRESULT _stdcall Next(ULONG celt, FORMATETC __RPC_FAR *rgelt, ULONG __RPC_FAR *pceltFetched); |
| virtual HRESULT _stdcall Skip(ULONG celt); |
| virtual HRESULT _stdcall Reset(); |
| virtual HRESULT _stdcall Clone(IEnumFORMATETC __RPC_FAR *__RPC_FAR *ppenum); |
| |
| private: |
| AwtDragSource* m_parent; |
| ULONG m_refs; |
| |
| unsigned int m_idx; |
| }; |
| |
| class ADSIStreamProxy : public virtual IStream { |
| private: |
| ADSIStreamProxy(ADSIStreamProxy* cloneof); |
| |
| public: |
| ADSIStreamProxy(AwtDragSource* parent, jbyteArray buffer, jint len); |
| |
| virtual ~ADSIStreamProxy(); |
| |
| // IUnknown |
| |
| virtual HRESULT __stdcall QueryInterface(REFIID riid, void __RPC_FAR *__RPC_FAR *ppvObject); |
| |
| virtual ULONG __stdcall AddRef(void); |
| virtual ULONG __stdcall Release(void); |
| |
| // IStream |
| |
| |
| virtual HRESULT __stdcall Read(void __RPC_FAR *pv, ULONG cb, ULONG __RPC_FAR *pcbRead); |
| |
| virtual HRESULT __stdcall Write(const void __RPC_FAR *pv, ULONG cb, ULONG __RPC_FAR *pcbWritten); |
| |
| virtual HRESULT __stdcall Seek(LARGE_INTEGER dlibMove, DWORD dwOrigin, ULARGE_INTEGER __RPC_FAR *plibNewPosition); |
| |
| virtual HRESULT __stdcall SetSize(ULARGE_INTEGER libNewSize); |
| |
| virtual HRESULT __stdcall CopyTo(IStream __RPC_FAR *pstm, ULARGE_INTEGER cb, ULARGE_INTEGER __RPC_FAR *pcbRead, ULARGE_INTEGER __RPC_FAR *pcbWritten); |
| |
| virtual HRESULT __stdcall Commit(DWORD grfCommitFlags); |
| |
| virtual HRESULT __stdcall Revert(); |
| |
| virtual HRESULT __stdcall LockRegion(ULARGE_INTEGER libOffset, ULARGE_INTEGER cb, DWORD dwLockType); |
| |
| virtual HRESULT __stdcall UnlockRegion(ULARGE_INTEGER libOffset, ULARGE_INTEGER cb, DWORD dwLockType); |
| |
| virtual HRESULT __stdcall Stat(STATSTG __RPC_FAR *pstatstg, DWORD grfStatFlag); |
| |
| virtual HRESULT __stdcall Clone(IStream __RPC_FAR *__RPC_FAR *ppstm); |
| protected: |
| AwtDragSource* m_parent; |
| |
| signed char* m_buffer; |
| unsigned int m_off; |
| unsigned int m_blen; |
| |
| STATSTG m_statstg; |
| |
| ADSIStreamProxy* m_cloneof; |
| |
| ULONG m_refs; |
| }; |
| |
| public: |
| static const UINT PROCESS_ID_FORMAT; |
| |
| private: |
| |
| // instance vars ... |
| |
| jobject m_peer; |
| |
| jint m_initmods; |
| jint m_lastmods; |
| |
| HWND m_droptarget; |
| int m_enterpending; |
| |
| jint m_actions; |
| |
| FORMATETC* m_types; |
| unsigned int m_ntypes; |
| |
| ULONG m_refs; |
| |
| AwtCursor* m_cursor; |
| |
| HANDLE m_mutex; |
| |
| jobject m_component; |
| jobject m_transferable; |
| jobject m_formatMap; |
| |
| POINT m_dragPoint; |
| POINT m_dropPoint; |
| BOOL m_fNC; |
| BOOL m_bRestoreNodropCustomCursor;//CR 6480706 - MS Bug on hold |
| |
| DWORD m_dwPerformedDropEffect; |
| |
| // static's ... |
| |
| static jclass dSCClazz; |
| static jclass awtIEClazz; |
| |
| static jmethodID dSCdragenter; |
| static jmethodID dSCdragmotion; |
| static jmethodID dSCopschanged; |
| static jmethodID dSCdragexit; |
| static jmethodID dSCddfinish; |
| |
| static jfieldID awtIEmods; |
| }; |
| |
| extern const CLIPFORMAT CF_PERFORMEDDROPEFFECT; |
| extern const CLIPFORMAT CF_FILEGROUPDESCRIPTORA; |
| extern const CLIPFORMAT CF_FILEGROUPDESCRIPTORW; |
| extern const CLIPFORMAT CF_FILECONTENTS; |
| |
| #endif /* AWT_DND_DS_H */ |
