1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifndef FPICKER_WIN32_VISTA_FILEPICKER_EVENTHANDLER_HXX 25 #define FPICKER_WIN32_VISTA_FILEPICKER_EVENTHANDLER_HXX 26 27 //----------------------------------------------------------------------------- 28 // includes 29 //----------------------------------------------------------------------------- 30 31 #if defined(_MSC_VER) && (_MSC_VER >= 1400) 32 #pragma warning( disable : 4917 ) 33 #endif 34 35 #include "comptr.hxx" 36 #include "vistatypes.h" 37 #include "IVistaFilePickerInternalNotify.hxx" 38 39 #include <com/sun/star/ui/dialogs/XFilePickerListener.hpp> 40 #include <com/sun/star/uno/Reference.hxx> 41 42 #include <cppuhelper/basemutex.hxx> 43 #include <cppuhelper/interfacecontainer.h> 44 #include <osl/interlck.h> 45 46 #include <shobjidl.h> 47 48 //----------------------------------------------------------------------------- 49 // namespace 50 //----------------------------------------------------------------------------- 51 52 #ifdef css 53 #error "Clash on using CSS as namespace define." 54 #else 55 #define css ::com::sun::star 56 #endif 57 58 namespace fpicker{ 59 namespace win32{ 60 namespace vista{ 61 62 //----------------------------------------------------------------------------- 63 // types, const etcpp. 64 //----------------------------------------------------------------------------- 65 66 //----------------------------------------------------------------------------- 67 /** todo document me 68 */ 69 class VistaFilePickerEventHandler : public ::cppu::BaseMutex 70 , public IFileDialogEvents 71 , public IFileDialogControlEvents 72 { 73 public: 74 75 //------------------------------------------------------------------------------------ 76 // ctor/dtor 77 //------------------------------------------------------------------------------------ 78 79 VistaFilePickerEventHandler(IVistaFilePickerInternalNotify* pInternalNotify); 80 virtual ~VistaFilePickerEventHandler(); 81 82 //------------------------------------------------------------------------------------ 83 // IUnknown 84 //------------------------------------------------------------------------------------ 85 virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID rIID , 86 void** ppObject); 87 virtual ULONG STDMETHODCALLTYPE AddRef(); 88 virtual ULONG STDMETHODCALLTYPE Release(); 89 90 //------------------------------------------------------------------------------------ 91 // IFileDialogEvents 92 //------------------------------------------------------------------------------------ 93 94 STDMETHODIMP OnFileOk(IFileDialog* pDialog); 95 96 STDMETHODIMP OnFolderChanging(IFileDialog* pDialog, 97 IShellItem* pFolder); 98 99 STDMETHODIMP OnFolderChange(IFileDialog* pDialog); 100 101 STDMETHODIMP OnSelectionChange(IFileDialog* pDialog); 102 103 STDMETHODIMP OnShareViolation(IFileDialog* pDialog , 104 IShellItem* pItem , 105 FDE_SHAREVIOLATION_RESPONSE* pResponse); 106 107 STDMETHODIMP OnTypeChange(IFileDialog* pDialog); 108 109 STDMETHODIMP OnOverwrite(IFileDialog* pDialog , 110 IShellItem* pItem , 111 FDE_OVERWRITE_RESPONSE* pResponse); 112 113 //------------------------------------------------------------------------------------ 114 // IFileDialogControlEvents 115 //------------------------------------------------------------------------------------ 116 117 STDMETHODIMP OnItemSelected(IFileDialogCustomize* pCustomize, 118 DWORD nIDCtl , 119 DWORD nIDItem ); 120 121 STDMETHODIMP OnButtonClicked(IFileDialogCustomize* pCustomize, 122 DWORD nIDCtl ); 123 124 STDMETHODIMP OnCheckButtonToggled(IFileDialogCustomize* pCustomize, 125 DWORD nIDCtl , 126 BOOL bChecked ); 127 128 STDMETHODIMP OnControlActivating(IFileDialogCustomize* pCustomize, 129 DWORD nIDCtl ); 130 131 //------------------------------------------------------------------------------------ 132 // XFilePickerNotifier 133 //------------------------------------------------------------------------------------ 134 135 virtual void SAL_CALL addFilePickerListener( const css::uno::Reference< css::ui::dialogs::XFilePickerListener >& xListener ); 136 137 virtual void SAL_CALL removeFilePickerListener( const css::uno::Reference< css::ui::dialogs::XFilePickerListener >& xListener ); 138 139 //------------------------------------------------------------------------------------ 140 // native interface 141 //------------------------------------------------------------------------------------ 142 143 //------------------------------------------------------------------------------------ 144 /** start listening for file picker events on the given file open dialog COM object. 145 * 146 * The broadcaster will be cached internally so deregistration will be easy. 147 * Further all needed informations are capsulated within this class (e.g. the listener handler). 148 * Nobody outside must know such informations. 149 * 150 * Nothing will happen if an inconsistent state will be detected 151 * (means: double registration will be ignored). 152 * 153 * @param pBroadcaster 154 * reference to the dialog, where we should start listening. 155 */ 156 void startListening( const TFileDialog& pBroadcaster ); 157 158 //------------------------------------------------------------------------------------ 159 /** stop listening for file picker events on the internally cached dialog COM object. 160 * 161 * The COM dialog provided on the startListeneing() call was cached internally. 162 * And now its used to deregister this listener. Doing so the also internally cached 163 * listener handle is used. If listener was not already registered - nothing will happen. 164 */ 165 void stopListening(); 166 167 public: 168 169 enum EEventType 170 { 171 E_FILE_SELECTION_CHANGED, 172 E_DIRECTORY_CHANGED, 173 E_HELP_REQUESTED, 174 E_CONTROL_STATE_CHANGED, 175 E_DIALOG_SIZE_CHANGED 176 }; 177 178 private: 179 180 //------------------------------------------------------------------------------------ 181 /// @todo document me 182 void impl_sendEvent( EEventType eEventType, 183 ::sal_Int16 nControlID); 184 185 private: 186 187 //------------------------------------------------------------------------------------ 188 /// ref count for AddRef/Release() 189 oslInterlockedCount m_nRefCount; 190 191 //------------------------------------------------------------------------------------ 192 /// unique handle for this listener provided by the broadcaster on registration time 193 DWORD m_nListenerHandle; 194 195 //------------------------------------------------------------------------------------ 196 /// cached file dialog instance (there we listen for events) 197 TFileDialog m_pDialog; 198 199 //--------------------------------------------------------------------- 200 IVistaFilePickerInternalNotify* m_pInternalNotify; 201 202 //--------------------------------------------------------------------- 203 /** used to inform file picker listener asynchronously. 204 * Those listener must be called asynchronously .. because 205 * every request will block the caller thread. Mostly that will be 206 * the main thread of the office. Further the global SolarMutex will 207 * be locked during this time. If we call our listener back now synchronously .. 208 * we will block on SolarMutex.acquire() forever .-)) 209 */ 210 ::cppu::OMultiTypeInterfaceContainerHelper m_lListener; 211 }; 212 213 } // namespace vista 214 } // namespace win32 215 } // namespace fpicker 216 217 #undef css 218 219 #endif // FPICKER_WIN32_VISTA_FILEPICKER_EVENTHANDLER_HXX 220