-//
-// Copyright (c) 2014 Samsung Electronics Co., Ltd.
-//
-// Licensed under the Flora License, Version 1.0 (the License);
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://floralicense.org/license/
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an AS IS BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-
-// CLASS HEADER
-#include "style-manager-impl.h"
-
-// INTERNAL INCLUDES
-#include <dali-toolkit/public-api/controls/control.h>
-#include <dali-toolkit/public-api/controls/control-impl.h>
-#include <dali-toolkit/public-api/styling/style-manager.h>
-#include <dali-toolkit/internal/styling/util.h>
-#include <dali/integration-api/debug.h>
-
-// EXTERNAL INCLUDES
-#include <fstream>
-#include <iostream>
-#include <sstream>
-
-
-namespace
-{
-
-const char* LANDSCAPE_QUALIFIER = "landscape";
-const char* PORTRAIT_QUALIFIER = "portrait";
-
-const char* DEFAULT_THEME = DALI_STYLE_DIR "tizen-default-theme.json";
-
-const char* PACKAGE_PATH_KEY = "PACKAGE_PATH";
-const char* DEFAULT_PACKAGE_PATH = DALI_DATA_READ_ONLY_DIR "/toolkit/";
-
-} // namespace
-
-namespace Dali
-{
-
-namespace Toolkit
-{
-
-namespace Internal
-{
-
-namespace
-{
-
-BaseHandle Create()
-{
- BaseHandle handle = StyleManager::Get();
-
- if ( !handle && Adaptor::IsAvailable() )
- {
- Toolkit::StyleManager manager = Toolkit::StyleManager( new Internal::StyleManager() );
- Adaptor::Get().RegisterSingleton( typeid( manager ), manager );
- handle = manager;
- }
-
- return handle;
-}
-TypeRegistration STYLE_MANAGER_TYPE( typeid(Dali::Toolkit::StyleManager), typeid(Dali::BaseHandle), Create, true /* Create instance at startup */ );
-
-/**
- * Merge two maps into one
- */
-void MergeMaps( const PropertyValueMap& a, const PropertyValueMap& b, PropertyValueMap& out )
-{
- out = a;
- for( PropertyValueMap::const_iterator it = b.begin(), itEnd = b.end(); it != itEnd; ++it )
- {
- out[ it->first ] = it->second;
- }
-}
-
-} // namespace
-
-Toolkit::StyleManager StyleManager::Get()
-{
- Toolkit::StyleManager manager;
-
- if ( Adaptor::IsAvailable() )
- {
- // Check whether the style manager is already created
- Dali::BaseHandle handle = Dali::Adaptor::Get().GetSingleton( typeid( Toolkit::StyleManager ) );
- if( handle )
- {
- // If so, downcast the handle of singleton
- manager = Toolkit::StyleManager( dynamic_cast< StyleManager* >( handle.GetObjectPtr() ) );
- }
- }
-
- return manager;
-}
-
-StyleManager::StyleManager()
- : mOrientationDegrees( 0 ), // Portrait
- mSetThemeConnection( false )
-{
- // Add theme builder constants
- mThemeBuilderConstants[ PACKAGE_PATH_KEY ] = DEFAULT_PACKAGE_PATH;
-
- RequestDefaultTheme();
-}
-
-StyleManager::~StyleManager()
-{
- // Disconnect from signal
- SetOrientation( Orientation() );
-}
-
-void StyleManager::SetOrientationValue( int orientation )
-{
- mOrientationDegrees = orientation;
-
- Util::ConnectEventProcessingFinishedSignal();
- mSetThemeConnection = true;
-}
-
-int StyleManager::GetOrientationValue()
-{
- return mOrientationDegrees;
-}
-
-void StyleManager::SetOrientation( Orientation orientation )
-{
- if( mOrientation )
- {
- mOrientation.ChangedSignal().Disconnect( this, &StyleManager::OnOrientationChanged );
- }
-
- OnOrientationChanged( orientation );
-
- if( mOrientation )
- {
- mOrientation.ChangedSignal().Connect( this, &StyleManager::OnOrientationChanged );
- }
-}
-
-Orientation StyleManager::GetOrientation()
-{
- return mOrientation;
-}
-
-void StyleManager::SetStyleConstant( const std::string& key, const Property::Value& value )
-{
- mStyleBuilderConstants[ key ] = value;
-}
-
-bool StyleManager::GetStyleConstant( const std::string& key, Property::Value& valueOut )
-{
- Toolkit::PropertyValueMap::iterator valueIt = mStyleBuilderConstants.find( key );
- if( valueIt != mStyleBuilderConstants.end() )
- {
- valueOut = valueIt->second;
- return true;
- }
-
- return false;
-}
-
-void StyleManager::OnOrientationChanged( Orientation orientation )
-{
- mOrientation = orientation;
-
- if( mOrientation )
- {
- Util::ConnectEventProcessingFinishedSignal();
- mSetThemeConnection = true;
- }
-}
-
-Toolkit::Builder StyleManager::CreateBuilder( const PropertyValueMap& constants )
-{
- Toolkit::Builder builder = Toolkit::Builder::New();
- builder.AddConstants( constants );
-
- return builder;
-}
-
-bool StyleManager::LoadJSON( Toolkit::Builder builder, const std::string& jsonFilePath )
-{
- std::string fileString;
- if( LoadFile( jsonFilePath, fileString ) )
- {
- builder.LoadFromString( fileString );
- return true;
- }
- else
- {
- DALI_LOG_WARNING("Error loading file '%s'\n", jsonFilePath.c_str());
- return false;
- }
-}
-
-void StyleManager::CollectQualifiers( StringList& qualifiersOut )
-{
- // Append the relevant qualifier for orientation
- int orientation = mOrientationDegrees;
-
- if( mOrientation )
- {
- orientation = mOrientation.GetDegrees();
- }
-
- switch( orientation )
- {
- case 90:
- case 270:
- {
- qualifiersOut.push_back( std::string( LANDSCAPE_QUALIFIER ) );
- break;
- }
- case 180:
- case 0: // fall through
- default:
- {
- qualifiersOut.push_back( std::string( PORTRAIT_QUALIFIER ) );
- break;
- }
- }
-}
-
-void StyleManager::BuildQualifiedStyleName( const std::string& styleName, const StringList& qualifiers, std::string& qualifiedStyleOut )
-{
- qualifiedStyleOut.append( styleName );
-
- for( StringList::const_iterator it = qualifiers.begin(), itEnd = qualifiers.end(); it != itEnd; ++it )
- {
- const std::string& str = *it;
-
- qualifiedStyleOut.append( "-" );
- qualifiedStyleOut.append( str );
- }
-}
-
-void StyleManager::ApplyStyle( Toolkit::Builder builder, Toolkit::Control control )
-{
- // Convert control name to lower case
- std::string styleName = control.GetTypeName();
- std::transform( styleName.begin(), styleName.end(), styleName.begin(), ::tolower );
-
- // Apply the style after choosing the correct actual style (e.g. landscape or portrait)
- StringList qualifiers;
- CollectQualifiers( qualifiers );
-
- while( true )
- {
- std::string qualifiedStyleName;
- BuildQualifiedStyleName( styleName, qualifiers, qualifiedStyleName );
-
- // Break if style found or we have tried the root style name (qualifiers is empty)
- if( builder.ApplyStyle( qualifiedStyleName, control ) || qualifiers.size() == 0 )
- {
- break;
- }
-
- // Remove the last qualifier in an attempt to find a style that is valid
- qualifiers.pop_back();
- }
-}
-
-void StyleManager::ApplyThemeStyle( Toolkit::Control control )
-{
- if( mThemeBuilder )
- {
- ApplyStyle( mThemeBuilder, control );
- }
-}
-
-void StyleManager::ApplyStyle( Toolkit::Control control, const std::string& jsonFileName, const std::string& styleName )
-{
- bool builderReady = false;
-
- // First look in the cache
- Toolkit::Builder builder = FindCachedBuilder( jsonFileName );
- if( builder )
- {
- builderReady = true;
- }
- else
- {
- // Merge theme and style constants
- PropertyValueMap constants;
- MergeMaps( mThemeBuilderConstants, mStyleBuilderConstants, constants );
-
- // Create it
- builder = CreateBuilder( constants );
-
- if( LoadJSON( builder, jsonFileName ) )
- {
- CacheBuilder( builder, jsonFileName );
- builderReady = true;
- }
- }
-
- // Apply the style to the control
- if( builderReady )
- {
- builder.ApplyStyle( styleName, control );
- }
-}
-
-bool StyleManager::LoadFile( const std::string& filename, std::string& stringOut )
-{
- DALI_ASSERT_DEBUG( 0 != filename.length());
-
- std::ifstream in( filename.c_str(), std::ios::in );
- if( in )
- {
- std::stringstream buffer;
- buffer << in.rdbuf();
-
- stringOut = buffer.str();
-
- in.close();
-
- return true;
- }
-
- return false;
-}
-
-Toolkit::StyleManager::ThemeChangeSignalType& StyleManager::ThemeChangeSignal()
-{
- return mThemeChangeSignal;
-}
-
-void StyleManager::EmitThemeChangeSignal()
-{
- if( !mThemeChangeSignal.Empty() )
- {
- mThemeChangeSignal.Emit( Toolkit::StyleManager::Get() );
- }
-}
-
-void StyleManager::RequestThemeChange( const std::string& themeFile )
-{
- mThemeFile = themeFile;
-
- Util::ConnectEventProcessingFinishedSignal();
- mSetThemeConnection = true;
-}
-
-void StyleManager::RequestDefaultTheme()
-{
- RequestThemeChange( DEFAULT_THEME );
-}
-
-bool StyleManager::IsThemeRequestPending()
-{
- return mSetThemeConnection;
-}
-
-void StyleManager::SetTheme()
-{
- mThemeBuilder = CreateBuilder( mThemeBuilderConstants );
- LoadJSON( mThemeBuilder, mThemeFile );
-
- mSetThemeConnection = false;
-
- EmitThemeChangeSignal();
-}
-
-Toolkit::Builder StyleManager::FindCachedBuilder( const std::string& key )
-{
- BuilderMap::iterator builderIt = mBuilderCache.find( key );
- if( builderIt != mBuilderCache.end() )
- {
- return builderIt->second;
- }
-
- return Toolkit::Builder();
-}
-
-void StyleManager::CacheBuilder( Toolkit::Builder builder, const std::string& key )
-{
- mBuilderCache[ key ] = builder;
-}
-
-} // namespace Internal
-
-} // namespace Toolkit
-
-} // namespace Dali
projects / platform / core / uifw / dali-toolkit.git / commitdiff