2 * Copyright (c) 2014 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include "clipboard-impl.h"
23 #include <dali/public-api/object/any.h>
24 #include <dali/public-api/object/type-registry.h>
25 #include <dali/integration-api/debug.h>
28 #include <adaptor-impl.h>
29 #include <ecore-x-window-interface.h>
30 #include <singleton-service-impl.h>
32 namespace //unnamed namespace
34 const char* const CBHM_WINDOW = "CBHM_XWIN";
35 const char* const CBHM_MSG = "CBHM_MSG";
36 const char* const CBHM_ITEM = "CBHM_ITEM";
37 const char* const CBHM_cCOUNT = "CBHM_cCOUNT";
38 const char* const CBHM_ERROR = "CBHM_ERROR";
39 const char* const SET_ITEM = "SET_ITEM";
40 const char* const SHOW = "show0";
41 const char* const HIDE = "cbhm_hide";
44 ///////////////////////////////////////////////////////////////////////////////////////////////////
46 ///////////////////////////////////////////////////////////////////////////////////////////////////
57 struct Clipboard::Impl
59 Impl( Ecore_X_Window ecoreXwin )
61 mApplicationWindow = ecoreXwin;
64 Ecore_X_Window mApplicationWindow;
67 namespace // unnamed namespace
72 BaseHandle handle( Clipboard::Get() );
74 if ( !handle && Adaptor::IsAvailable() )
76 Dali::SingletonService service( SingletonService::Get() );
79 Adaptor& adaptorImpl( Adaptor::GetImplementation( Adaptor::Get() ) );
80 Any nativewindow = adaptorImpl.GetNativeWindowHandle();
82 // The Ecore_X_Window needs to use the Clipboard.
83 // Only when the render surface is window, we can get the Ecore_X_Window.
84 Ecore_X_Window ecoreXwin( AnyCast<Ecore_X_Window>(nativewindow) );
87 // If we fail to get Ecore_X_Window, we can't use the Clipboard correctly.
88 // Thus you have to call "ecore_imf_context_client_window_set" somewhere.
89 // In EvasPlugIn, this function is called in EvasPlugin::ConnectEcoreEvent().
90 Clipboard::Impl* impl( new Clipboard::Impl( ecoreXwin ) );
91 Dali::Clipboard clipboard = Dali::Clipboard( new Clipboard( impl ) );
92 service.Register( typeid( clipboard ), clipboard );
97 DALI_LOG_ERROR("Failed to get native window handle");
105 TypeRegistration CLIPBOARD_TYPE( typeid(Dali::Clipboard), typeid(Dali::BaseHandle), Create, true /* Create Instance At Startup */ );
107 } // unnamed namespace
109 Clipboard::Clipboard(Impl* impl)
114 Clipboard::~Clipboard()
119 Dali::Clipboard Clipboard::Get()
121 Dali::Clipboard clipboard;
123 Dali::SingletonService service( SingletonService::Get() );
126 // Check whether the singleton is already created
127 Dali::BaseHandle handle = service.GetSingleton( typeid( Dali::Clipboard ) );
130 // If so, downcast the handle
131 clipboard = Dali::Clipboard( dynamic_cast< Clipboard* >( handle.GetObjectPtr() ) );
137 bool Clipboard::SetItem(const std::string &itemData )
139 Ecore_X_Window cbhmWin = ECore::WindowInterface::GetWindow();
140 Ecore_X_Atom atomCbhmItem = ecore_x_atom_get( CBHM_ITEM );
141 Ecore_X_Atom dataType = ECORE_X_ATOM_STRING;
143 // Set item (property) to send
144 ecore_x_window_prop_property_set( cbhmWin, atomCbhmItem, dataType, 8, const_cast<char*>( itemData.c_str() ), itemData.length() + 1 );
147 // Trigger sending of item (property)
148 Ecore_X_Atom atomCbhmMsg = ecore_x_atom_get( CBHM_MSG );
149 ECore::WindowInterface::SendXEvent(ecore_x_display_get(), cbhmWin, False, NoEventMask, atomCbhmMsg, 8, SET_ITEM );
154 * Get string at given index of clipboard
156 std::string Clipboard::GetItem( unsigned int index ) // change string to a Dali::Text object.
158 if ( index >= NumberOfItems() )
163 std::string emptyString( "" );
166 snprintf( sendBuf, 20, "%s%d", CBHM_ITEM, index );
167 Ecore_X_Atom xAtomCbhmItem = ecore_x_atom_get( sendBuf );
168 Ecore_X_Atom xAtomItemType = 0;
170 std::string clipboardString( ECore::WindowInterface::GetWindowProperty(xAtomCbhmItem, &xAtomItemType, index ) );
171 if ( !clipboardString.empty() )
173 Ecore_X_Atom xAtomCbhmError = ecore_x_atom_get( CBHM_ERROR );
174 if ( xAtomItemType != xAtomCbhmError )
176 return clipboardString;
183 * Get number of items in clipboard
185 unsigned int Clipboard::NumberOfItems()
187 Ecore_X_Atom xAtomCbhmCountGet = ecore_x_atom_get( CBHM_cCOUNT );
189 std::string ret( ECore::WindowInterface::GetWindowProperty( xAtomCbhmCountGet, NULL, 0 ) );
194 count = atoi( ret.c_str() );
201 * Show clipboard window
202 * Function to send message to show the Clipboard (cbhm) as no direct API available
203 * Reference elementary/src/modules/ctxpopup_copypasteUI/cbhm_helper.c
205 void Clipboard::ShowClipboard()
207 // Claim the ownership of the SECONDARY selection.
208 ecore_x_selection_secondary_set(mImpl->mApplicationWindow, "", 1);
209 Ecore_X_Window cbhmWin = ECore::WindowInterface::GetWindow();
211 // Launch the clipboard window
212 Ecore_X_Atom atomCbhmMsg = ecore_x_atom_get( CBHM_MSG );
213 ECore::WindowInterface::SendXEvent( ecore_x_display_get(), cbhmWin, False, NoEventMask, atomCbhmMsg, 8, SHOW );
216 void Clipboard::HideClipboard()
218 Ecore_X_Window cbhmWin = ECore::WindowInterface::GetWindow();
219 // Launch the clipboard window
220 Ecore_X_Atom atomCbhmMsg = ecore_x_atom_get( CBHM_MSG );
221 ECore::WindowInterface::SendXEvent( ecore_x_display_get(), cbhmWin, False, NoEventMask, atomCbhmMsg, 8, HIDE );
223 // release the ownership of SECONDARY selection
224 ecore_x_selection_secondary_clear();
228 } // namespace Adaptor
230 } // namespace Internal