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/dali-core.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 ///////////////////////////////////////////////////////////////////////////////////////////////////
61 BaseHandle handle( Clipboard::Get() );
63 if ( !handle && Adaptor::IsAvailable() )
65 Dali::SingletonService service( SingletonService::Get() );
68 Adaptor& adaptorImpl( Adaptor::GetImplementation( Adaptor::Get() ) );
70 // The Ecore_X_Window needs to use the Clipboard.
71 // Only when the render surface is window, we can get the Ecore_X_Window.
72 Ecore_X_Window ecoreXwin( 0 );
73 Dali::RenderSurface& surface( adaptorImpl.GetSurface() );
74 if( surface.GetType() == Dali::RenderSurface::WINDOW )
76 ecoreXwin = AnyCast< Ecore_X_Window >( adaptorImpl.GetSurface().GetSurface() );
79 // If we fail to get Ecore_X_Window, we can't use the Clipboard correctly.
80 // Thus you have to call "ecore_imf_context_client_window_set" somewhere.
81 // In EvasPlugIn, this function is called in EvasPlugin::ConnectEcoreEvent().
82 Dali::Clipboard clipboard = Dali::Clipboard( new Clipboard( ecoreXwin ) );
83 service.Register( typeid( clipboard ), clipboard );
90 TypeRegistration CLIPBOARD_TYPE( typeid(Dali::Clipboard), typeid(Dali::BaseHandle), Create, true /* Create Instance At Startup */ );
92 } // unnamed namespace
94 Clipboard::Clipboard( Ecore_X_Window ecoreXwin)
96 mApplicationWindow = ecoreXwin;
99 Clipboard::~Clipboard()
103 Dali::Clipboard Clipboard::Get()
105 Dali::Clipboard clipboard;
107 Dali::SingletonService service( SingletonService::Get() );
110 // Check whether the singleton is already created
111 Dali::BaseHandle handle = service.GetSingleton( typeid( Dali::Clipboard ) );
114 // If so, downcast the handle
115 clipboard = Dali::Clipboard( dynamic_cast< Clipboard* >( handle.GetObjectPtr() ) );
121 bool Clipboard::SetItem(const std::string &itemData )
123 Ecore_X_Window cbhmWin = ECore::WindowInterface::GetWindow();
124 Ecore_X_Atom atomCbhmItem = ecore_x_atom_get( CBHM_ITEM );
125 Ecore_X_Atom dataType = ECORE_X_ATOM_STRING;
127 // Set item (property) to send
128 ecore_x_window_prop_property_set( cbhmWin, atomCbhmItem, dataType, 8, const_cast<char*>( itemData.c_str() ), itemData.length() + 1 );
131 // Trigger sending of item (property)
132 Ecore_X_Atom atomCbhmMsg = ecore_x_atom_get( CBHM_MSG );
133 ECore::WindowInterface::SendXEvent(ecore_x_display_get(), cbhmWin, False, NoEventMask, atomCbhmMsg, 8, SET_ITEM );
138 * Get string at given index of clipboard
140 std::string Clipboard::GetItem( unsigned int index ) // change string to a Dali::Text object.
142 if ( index >= NumberOfItems() )
147 std::string emptyString( "" );
150 snprintf( sendBuf, 20, "%s%d", CBHM_ITEM, index );
151 Ecore_X_Atom xAtomCbhmItem = ecore_x_atom_get( sendBuf );
152 Ecore_X_Atom xAtomItemType = 0;
154 std::string clipboardString( ECore::WindowInterface::GetWindowProperty(xAtomCbhmItem, &xAtomItemType, index ) );
155 if ( !clipboardString.empty() )
157 Ecore_X_Atom xAtomCbhmError = ecore_x_atom_get( CBHM_ERROR );
158 if ( xAtomItemType != xAtomCbhmError )
160 return clipboardString;
167 * Get number of items in clipboard
169 unsigned int Clipboard::NumberOfItems()
171 Ecore_X_Atom xAtomCbhmCountGet = ecore_x_atom_get( CBHM_cCOUNT );
173 std::string ret( ECore::WindowInterface::GetWindowProperty( xAtomCbhmCountGet, NULL, 0 ) );
178 count = atoi( ret.c_str() );
185 * Show clipboard window
186 * Function to send message to show the Clipboard (cbhm) as no direct API available
187 * Reference elementary/src/modules/ctxpopup_copypasteUI/cbhm_helper.c
189 void Clipboard::ShowClipboard()
191 // Claim the ownership of the SECONDARY selection.
192 ecore_x_selection_secondary_set(mApplicationWindow, "", 1);
193 Ecore_X_Window cbhmWin = ECore::WindowInterface::GetWindow();
195 // Launch the clipboard window
196 Ecore_X_Atom atomCbhmMsg = ecore_x_atom_get( CBHM_MSG );
197 ECore::WindowInterface::SendXEvent( ecore_x_display_get(), cbhmWin, False, NoEventMask, atomCbhmMsg, 8, SHOW );
200 void Clipboard::HideClipboard()
202 Ecore_X_Window cbhmWin = ECore::WindowInterface::GetWindow();
203 // Launch the clipboard window
204 Ecore_X_Atom atomCbhmMsg = ecore_x_atom_get( CBHM_MSG );
205 ECore::WindowInterface::SendXEvent( ecore_x_display_get(), cbhmWin, False, NoEventMask, atomCbhmMsg, 8, HIDE );
207 // release the ownership of SECONDARY selection
208 ecore_x_selection_secondary_clear();
212 } // namespace Adaptor
214 } // namespace Internal