2 * Copyright (c) 2022 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/devel-api/common/singleton-service.h>
22 #include <dali/integration-api/debug.h>
23 #include <dali/public-api/adaptor-framework/application.h>
24 #include <dali/public-api/object/type-registry-helper.h>
25 #include <dali/public-api/object/type-registry.h>
28 #include <dali-toolkit/devel-api/asset-manager/asset-manager.h>
29 #include <dali-toolkit/internal/builder/builder-impl.h>
30 #include <dali-toolkit/internal/feedback/feedback-style.h>
31 #include <dali-toolkit/public-api/controls/control-impl.h>
32 #include <dali-toolkit/public-api/controls/control.h>
33 #include <dali-toolkit/public-api/styling/style-manager.h>
37 //const char* LANDSCAPE_QUALIFIER = "landscape";
38 const char* PORTRAIT_QUALIFIER = "portrait";
39 const char* FONT_SIZE_QUALIFIER = "fontsize";
41 const char* DEFAULT_THEME_FILE_NAME = "dali-toolkit-default-theme.json";
43 const char* PACKAGE_PATH_KEY = "PACKAGE_PATH";
44 const char* APPLICATION_RESOURCE_PATH_KEY = "APPLICATION_RESOURCE_PATH";
46 const char* DEFAULT_TOOLKIT_PACKAGE_PATH = "/toolkit/";
48 static constexpr int32_t COUNT_BROKEN_IMAGE_MAX = 3;
50 #if defined(DEBUG_ENABLED)
51 Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, false, "LOG_STYLE");
66 BaseHandle handle = StyleManager::Get();
70 SingletonService singletonService(SingletonService::Get());
73 Toolkit::StyleManager manager = Toolkit::StyleManager(new Internal::StyleManager());
74 singletonService.Register(typeid(manager), manager);
82 DALI_TYPE_REGISTRATION_BEGIN_CREATE(Toolkit::StyleManager, Dali::BaseHandle, Create, true)
83 DALI_TYPE_REGISTRATION_END()
87 Toolkit::StyleManager StyleManager::Get()
89 Toolkit::StyleManager manager;
91 SingletonService singletonService(SingletonService::Get());
94 // Check whether the style manager is already created
95 Dali::BaseHandle handle = singletonService.GetSingleton(typeid(Toolkit::StyleManager));
98 // If so, downcast the handle of singleton
99 manager = Toolkit::StyleManager(dynamic_cast<StyleManager*>(handle.GetObjectPtr()));
106 StyleManager::StyleManager()
107 : mDefaultFontSize(-1),
108 mDefaultFontFamily(""),
109 mDefaultThemeFilePath(),
110 mFeedbackStyle(nullptr)
112 // Add theme builder constants
113 const std::string dataReadOnlyDir = AssetManager::GetDaliDataReadOnlyPath();
114 mThemeBuilderConstants[PACKAGE_PATH_KEY] = dataReadOnlyDir + DEFAULT_TOOLKIT_PACKAGE_PATH;
115 mThemeBuilderConstants[APPLICATION_RESOURCE_PATH_KEY] = Application::GetResourcePath();
117 mStyleMonitor = StyleMonitor::Get();
120 mStyleMonitor.StyleChangeSignal().Connect(this, &StyleManager::StyleMonitorChange);
123 // Set the full path for the default style theme.
124 const std::string styleDirPath = AssetManager::GetDaliStylePath();
125 mDefaultThemeFilePath = styleDirPath + DEFAULT_THEME_FILE_NAME;
127 // Sound & haptic style
128 mFeedbackStyle = new FeedbackStyle();
130 // Initialize BrokenImages
131 mBrokenImageUrls.assign(COUNT_BROKEN_IMAGE_MAX, "");
134 StyleManager::~StyleManager()
136 delete mFeedbackStyle;
139 void StyleManager::ApplyTheme(const std::string& themeFile)
144 void StyleManager::ApplyDefaultTheme()
146 SetTheme(mDefaultThemeFilePath);
149 const std::string& StyleManager::GetDefaultFontFamily() const
151 return mDefaultFontFamily;
154 void StyleManager::SetStyleConstant(const std::string& key, const Property::Value& value)
156 mStyleBuilderConstants[key] = value;
159 bool StyleManager::GetStyleConstant(const std::string& key, Property::Value& valueOut)
161 Property::Value* value = mStyleBuilderConstants.Find(key);
171 void StyleManager::ApplyThemeStyle(Toolkit::Control control)
180 ApplyStyle(mThemeBuilder, control);
184 void StyleManager::ApplyThemeStyleAtInit(Toolkit::Control control)
186 ApplyThemeStyle(control);
190 mFeedbackStyle->ObjectCreated(control);
194 void StyleManager::ApplyStyle(Toolkit::Control control, const std::string& jsonFileName, const std::string& styleName)
196 bool builderReady = false;
198 // First look in the cache
199 Toolkit::Builder builder = FindCachedBuilder(jsonFileName);
206 // Merge theme and style constants
207 Property::Map constants(mThemeBuilderConstants);
208 constants.Merge(mStyleBuilderConstants);
211 builder = CreateBuilder(constants);
213 if(LoadJSON(builder, jsonFileName))
215 CacheBuilder(builder, jsonFileName);
220 // Apply the style to the control
223 builder.ApplyStyle(styleName, control);
227 Toolkit::StyleManager::StyleChangedSignalType& StyleManager::StyleChangedSignal()
229 return mStyleChangedSignal;
232 Toolkit::StyleManager::StyleChangedSignalType& StyleManager::ControlStyleChangeSignal()
234 return mControlStyleChangeSignal;
237 Toolkit::DevelStyleManager::BrokenImageChangedSignalType& StyleManager::BrokenImageChangedSignal()
239 return mBrokenImageChangedSignal;
242 void StyleManager::SetTheme(const std::string& themeFile)
244 bool themeLoaded = false;
245 bool loading = false;
247 // If we haven't loaded a theme, or the stored theme file is empty, or
248 // the previously loaded theme is different to the requested theme,
249 // first reset the builder and load the default theme.
250 if(!mThemeBuilder || mThemeFile.empty() || mThemeFile.compare(themeFile) != 0)
253 mThemeBuilder = CreateBuilder(mThemeBuilderConstants);
254 themeLoaded = LoadJSON(mThemeBuilder, mDefaultThemeFilePath); // Sets themeLoaded to true if theme exists
257 if(themeFile.compare(mDefaultThemeFilePath) != 0)
259 // The theme is different to the default: Merge it
261 themeLoaded |= LoadJSON(mThemeBuilder, themeFile);
266 mThemeFile = themeFile;
270 // We've successfully loaded the theme file
273 mFeedbackStyle->StyleChanged(mThemeFile, StyleChange::THEME_CHANGE);
276 EmitStyleChangeSignals(StyleChange::THEME_CHANGE);
280 // We tried to load a theme, but it failed. Ensure the builder is reset
281 mThemeBuilder.Reset();
287 const Property::Map& StyleManager::GetConfigurations()
289 DALI_LOG_STREAM(gLogFilter, Debug::Concise, "GetConfigurations()\n On entry, mThemeBuilder: " << (bool(mThemeBuilder) ? "Created" : "Empty") << " mThemeFile: " << mThemeFile);
293 DALI_LOG_STREAM(gLogFilter, Debug::Concise, "GetConfigurations() Loading default theme");
295 mThemeBuilder = CreateBuilder(mThemeBuilderConstants);
297 // Load default theme because this is first try to load stylesheet.
298 #if defined(DEBUG_ENABLED)
299 bool themeLoaded = LoadJSON(mThemeBuilder, mDefaultThemeFilePath);
300 DALI_LOG_STREAM(gLogFilter, Debug::Concise, " themeLoaded" << (themeLoaded ? "success" : "failure"));
302 LoadJSON(mThemeBuilder, mDefaultThemeFilePath);
305 mThemeFile = mDefaultThemeFilePath;
308 #if defined(DEBUG_ENABLED)
309 Property::Map result = mThemeBuilder.GetConfigurations();
310 DALI_LOG_STREAM(gLogFilter, Debug::Concise, "GetConfigurations()\n On exit, result Count: " << (result.Count() != 0));
311 DALI_LOG_STREAM(gLogFilter, Debug::Verbose, " result: " << result);
314 return mThemeBuilder.GetConfigurations();
317 void StyleManager::SetBrokenImageUrl(DevelStyleManager::BrokenImageType brokenImageType, const std::string& brokenImageUrl)
319 int brokenType = static_cast<int>(brokenImageType);
320 mBrokenImageUrls[brokenType] = brokenImageUrl;
321 Toolkit::StyleManager styleManager = StyleManager::Get();
322 mBrokenImageChangedSignal.Emit(styleManager);
325 std::string StyleManager::GetBrokenImageUrl(DevelStyleManager::BrokenImageType brokenImageType)
327 int brokenType = static_cast<int>(brokenImageType);
328 return mBrokenImageUrls[brokenType];
331 std::vector<std::string> StyleManager::GetBrokenImageUrlList()
333 // create a list for brokenImage
334 std::vector<std::string> brokenImageUrlList;
335 for(int i = 0; i < COUNT_BROKEN_IMAGE_MAX; i++)
337 if(!mBrokenImageUrls[i].empty())
339 brokenImageUrlList.push_back(mBrokenImageUrls[i]);
342 return brokenImageUrlList;
345 bool StyleManager::LoadFile(const std::string& filename, std::string& stringOut)
347 DALI_ASSERT_DEBUG(0 != filename.length());
349 // as toolkit is platform agnostic, it cannot load files from filesystem
350 // ask style monitor to load the style sheet
353 return mStyleMonitor.LoadThemeFile(filename, stringOut);
359 Toolkit::Builder StyleManager::CreateBuilder(const Property::Map& constants)
361 Toolkit::Builder builder = Toolkit::Builder::New();
362 builder.AddConstants(constants);
367 bool StyleManager::LoadJSON(Toolkit::Builder builder, const std::string& jsonFilePath)
369 std::string fileString;
370 if(LoadFile(jsonFilePath, fileString))
372 builder.LoadFromString(fileString);
377 DALI_LOG_WARNING("Error loading file '%s'\n", jsonFilePath.c_str());
382 static void CollectQualifiers(std::vector<std::string>& qualifiersOut)
384 // Append the relevant qualifier for orientation
385 // int orientation = 0; // Get the orientation from the system
388 Getting orientation from the system, and determine Qualifie LANDSCAPE or PORTRAIT
389 orientation 0, 180 : PORTRAIT_QUALIFIER (default)
390 orientation 90, 270 : LANDSCAPE_QUALIFIER
393 qualifiersOut.push_back(std::string(PORTRAIT_QUALIFIER));
397 * @brief Construct a qualified style name out of qualifiers
399 * A qualifed style name will be in the format: style-qualifier0-qualifier1-qualifierN
401 * @param[in] styleName The root name of the style
402 * @param[in] qualifiers List of qualifier names
403 * @param[out] qualifiedStyleOut The qualified style name
405 static void BuildQualifiedStyleName(
406 const std::string& styleName,
407 const std::vector<std::string>& qualifiers,
408 std::string& qualifiedStyleOut)
410 qualifiedStyleOut.append(styleName);
412 for(std::vector<std::string>::const_iterator it = qualifiers.begin(),
413 itEnd = qualifiers.end();
417 const std::string& str = *it;
419 qualifiedStyleOut.append("-");
420 qualifiedStyleOut.append(str);
424 static bool GetStyleNameForControl(Toolkit::Builder builder, Toolkit::Control control, std::string& styleName)
426 styleName = control.GetStyleName();
428 if(styleName.empty())
430 styleName = control.GetTypeName();
433 // Apply the style after choosing the correct actual style (e.g. landscape or portrait)
434 std::vector<std::string> qualifiers;
435 CollectQualifiers(qualifiers);
438 std::string qualifiedStyleName;
441 qualifiedStyleName.clear();
442 BuildQualifiedStyleName(styleName, qualifiers, qualifiedStyleName);
444 // Break if style found or we have tried the root style name (qualifiers is empty)
445 if(GetImpl(builder).LookupStyleName(qualifiedStyleName))
450 if(qualifiers.size() == 0)
454 // Remove the last qualifier in an attempt to find a style that is valid
455 qualifiers.pop_back();
460 styleName = qualifiedStyleName;
465 void StyleManager::ApplyStyle(Toolkit::Builder builder, Toolkit::Control control)
467 std::string styleName = control.GetStyleName();
468 if(GetStyleNameForControl(builder, control, styleName))
470 builder.ApplyStyle(styleName, control);
473 if(mDefaultFontSize == -1 && mStyleMonitor.EnsureFontClientCreated())
475 mDefaultFontSize = mStyleMonitor.GetDefaultFontSize();
478 if(mDefaultFontSize >= 0)
480 // Apply the style for logical font size
481 std::stringstream fontSizeQualifier;
482 fontSizeQualifier << styleName << FONT_SIZE_QUALIFIER << mDefaultFontSize;
483 builder.ApplyStyle(fontSizeQualifier.str(), control);
487 const StylePtr StyleManager::GetRecordedStyle(Toolkit::Control control)
491 std::string styleName = control.GetStyleName();
493 if(GetStyleNameForControl(mThemeBuilder, control, styleName))
495 const StylePtr style = GetImpl(mThemeBuilder).GetStyle(styleName);
499 return StylePtr(NULL);
502 Toolkit::Builder StyleManager::FindCachedBuilder(const std::string& key)
504 BuilderMap::iterator builderIt = mBuilderCache.find(key);
505 if(builderIt != mBuilderCache.end())
507 return builderIt->second;
510 return Toolkit::Builder();
513 void StyleManager::CacheBuilder(Toolkit::Builder builder, const std::string& key)
515 mBuilderCache[key] = builder;
518 void StyleManager::StyleMonitorChange(StyleMonitor styleMonitor, StyleChange::Type styleChange)
522 case StyleChange::DEFAULT_FONT_CHANGE:
524 mDefaultFontFamily = styleMonitor.GetDefaultFontFamily();
528 case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
530 mDefaultFontSize = styleMonitor.GetDefaultFontSize();
534 case StyleChange::THEME_CHANGE:
536 SetTheme(styleMonitor.GetTheme());
540 EmitStyleChangeSignals(styleChange);
543 void StyleManager::EmitStyleChangeSignals(StyleChange::Type styleChange)
545 Toolkit::StyleManager styleManager = StyleManager::Get();
547 // Update Controls first
548 mControlStyleChangeSignal.Emit(styleManager, styleChange);
550 // Inform application last
551 mStyleChangedSignal.Emit(styleManager, styleChange);
554 } // namespace Internal
556 } // namespace Toolkit