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.
18 #include "style-manager-impl.h"
21 #include <dali-toolkit/public-api/controls/control.h>
22 #include <dali-toolkit/public-api/controls/control-impl.h>
23 #include <dali-toolkit/public-api/styling/style-manager.h>
24 #include <dali-toolkit/internal/styling/util.h>
25 #include <dali/integration-api/debug.h>
36 const char* LANDSCAPE_QUALIFIER = "landscape";
37 const char* PORTRAIT_QUALIFIER = "portrait";
39 const char* DEFAULT_THEME = DALI_STYLE_DIR "tizen-default-theme.json";
41 const char* PACKAGE_PATH_KEY = "PACKAGE_PATH";
42 const char* DEFAULT_PACKAGE_PATH = DALI_DATA_READ_ONLY_DIR "/toolkit/";
60 BaseHandle handle = StyleManager::Get();
64 SingletonService singletonService( SingletonService::Get() );
65 if ( singletonService )
67 Toolkit::StyleManager manager = Toolkit::StyleManager( new Internal::StyleManager() );
68 singletonService.Register( typeid( manager ), manager );
75 TypeRegistration STYLE_MANAGER_TYPE( typeid(Dali::Toolkit::StyleManager), typeid(Dali::BaseHandle), Create, true /* Create instance at startup */ );
78 * Merge two maps into one
80 void MergeMaps( const PropertyValueMap& a, const PropertyValueMap& b, PropertyValueMap& out )
83 for( PropertyValueMap::const_iterator it = b.begin(), itEnd = b.end(); it != itEnd; ++it )
85 out[ it->first ] = it->second;
91 Toolkit::StyleManager StyleManager::Get()
93 Toolkit::StyleManager manager;
95 SingletonService singletonService( SingletonService::Get() );
96 if ( singletonService )
98 // Check whether the style manager is already created
99 Dali::BaseHandle handle = singletonService.GetSingleton( typeid( Toolkit::StyleManager ) );
102 // If so, downcast the handle of singleton
103 manager = Toolkit::StyleManager( dynamic_cast< StyleManager* >( handle.GetObjectPtr() ) );
110 StyleManager::StyleManager()
111 : mOrientationDegrees( 0 ), // Portrait
112 mSetThemeConnection( false )
114 // Add theme builder constants
115 mThemeBuilderConstants[ PACKAGE_PATH_KEY ] = DEFAULT_PACKAGE_PATH;
117 RequestDefaultTheme();
119 StyleMonitor styleMonitor( StyleMonitor::Get() );
122 styleMonitor.StyleChangeSignal().Connect( this, &StyleManager::StyleMonitorChange );
126 StyleManager::~StyleManager()
128 // Disconnect from signal
129 SetOrientation( Orientation() );
132 void StyleManager::SetOrientationValue( int orientation )
134 mOrientationDegrees = orientation;
136 Util::ConnectEventProcessingFinishedSignal();
137 mSetThemeConnection = true;
140 int StyleManager::GetOrientationValue()
142 return mOrientationDegrees;
145 void StyleManager::SetOrientation( Orientation orientation )
149 mOrientation.ChangedSignal().Disconnect( this, &StyleManager::OnOrientationChanged );
152 OnOrientationChanged( orientation );
156 mOrientation.ChangedSignal().Connect( this, &StyleManager::OnOrientationChanged );
160 Orientation StyleManager::GetOrientation()
165 void StyleManager::SetStyleConstant( const std::string& key, const Property::Value& value )
167 mStyleBuilderConstants[ key ] = value;
170 bool StyleManager::GetStyleConstant( const std::string& key, Property::Value& valueOut )
172 Toolkit::PropertyValueMap::iterator valueIt = mStyleBuilderConstants.find( key );
173 if( valueIt != mStyleBuilderConstants.end() )
175 valueOut = valueIt->second;
182 void StyleManager::OnOrientationChanged( Orientation orientation )
184 mOrientation = orientation;
188 Util::ConnectEventProcessingFinishedSignal();
189 mSetThemeConnection = true;
193 Toolkit::Builder StyleManager::CreateBuilder( const PropertyValueMap& constants )
195 Toolkit::Builder builder = Toolkit::Builder::New();
196 builder.AddConstants( constants );
201 bool StyleManager::LoadJSON( Toolkit::Builder builder, const std::string& jsonFilePath )
203 std::string fileString;
204 if( LoadFile( jsonFilePath, fileString ) )
206 builder.LoadFromString( fileString );
211 DALI_LOG_WARNING("Error loading file '%s'\n", jsonFilePath.c_str());
216 void StyleManager::CollectQualifiers( StringList& qualifiersOut )
218 // Append the relevant qualifier for orientation
219 int orientation = mOrientationDegrees;
223 orientation = mOrientation.GetDegrees();
226 switch( orientation )
231 qualifiersOut.push_back( std::string( LANDSCAPE_QUALIFIER ) );
235 case 0: // fall through
238 qualifiersOut.push_back( std::string( PORTRAIT_QUALIFIER ) );
244 void StyleManager::BuildQualifiedStyleName( const std::string& styleName, const StringList& qualifiers, std::string& qualifiedStyleOut )
246 qualifiedStyleOut.append( styleName );
248 for( StringList::const_iterator it = qualifiers.begin(), itEnd = qualifiers.end(); it != itEnd; ++it )
250 const std::string& str = *it;
252 qualifiedStyleOut.append( "-" );
253 qualifiedStyleOut.append( str );
257 void StyleManager::ApplyStyle( Toolkit::Builder builder, Toolkit::Control control )
259 // Convert control name to lower case
260 std::string styleName = control.GetTypeName();
261 std::transform( styleName.begin(), styleName.end(), styleName.begin(), ::tolower );
263 // Apply the style after choosing the correct actual style (e.g. landscape or portrait)
264 StringList qualifiers;
265 CollectQualifiers( qualifiers );
269 std::string qualifiedStyleName;
270 BuildQualifiedStyleName( styleName, qualifiers, qualifiedStyleName );
272 // Break if style found or we have tried the root style name (qualifiers is empty)
273 if( builder.ApplyStyle( qualifiedStyleName, control ) || qualifiers.size() == 0 )
278 // Remove the last qualifier in an attempt to find a style that is valid
279 qualifiers.pop_back();
283 void StyleManager::ApplyThemeStyle( Toolkit::Control control )
287 ApplyStyle( mThemeBuilder, control );
291 void StyleManager::ApplyStyle( Toolkit::Control control, const std::string& jsonFileName, const std::string& styleName )
293 bool builderReady = false;
295 // First look in the cache
296 Toolkit::Builder builder = FindCachedBuilder( jsonFileName );
303 // Merge theme and style constants
304 PropertyValueMap constants;
305 MergeMaps( mThemeBuilderConstants, mStyleBuilderConstants, constants );
308 builder = CreateBuilder( constants );
310 if( LoadJSON( builder, jsonFileName ) )
312 CacheBuilder( builder, jsonFileName );
317 // Apply the style to the control
320 builder.ApplyStyle( styleName, control );
324 bool StyleManager::LoadFile( const std::string& filename, std::string& stringOut )
326 DALI_ASSERT_DEBUG( 0 != filename.length());
328 std::ifstream in( filename.c_str(), std::ios::in );
331 std::stringstream buffer;
332 buffer << in.rdbuf();
334 stringOut = buffer.str();
344 Toolkit::StyleManager::StyleChangeSignalType& StyleManager::StyleChangeSignal()
346 return mStyleChangeSignal;
349 void StyleManager::RequestThemeChange( const std::string& themeFile )
351 mThemeFile = themeFile;
353 Util::ConnectEventProcessingFinishedSignal();
354 mSetThemeConnection = true;
357 void StyleManager::RequestDefaultTheme()
359 RequestThemeChange( DEFAULT_THEME );
362 bool StyleManager::IsThemeRequestPending()
364 return mSetThemeConnection;
367 void StyleManager::SetTheme()
369 mThemeBuilder = CreateBuilder( mThemeBuilderConstants );
370 LoadJSON( mThemeBuilder, mThemeFile );
372 mSetThemeConnection = false;
375 change.themeChange = true;
376 mStyleChangeSignal.Emit( Toolkit::StyleManager::Get(), change );
379 Toolkit::Builder StyleManager::FindCachedBuilder( const std::string& key )
381 BuilderMap::iterator builderIt = mBuilderCache.find( key );
382 if( builderIt != mBuilderCache.end() )
384 return builderIt->second;
387 return Toolkit::Builder();
390 void StyleManager::CacheBuilder( Toolkit::Builder builder, const std::string& key )
392 mBuilderCache[ key ] = builder;
395 void StyleManager::StyleMonitorChange( StyleMonitor styleMonitor, StyleChange styleChange )
397 mStyleChangeSignal.Emit( Toolkit::StyleManager::Get(), styleChange );
400 } // namespace Internal
402 } // namespace Toolkit