diff options
Diffstat (limited to 'indra/llui/lluictrlfactory.h')
-rw-r--r-- | indra/llui/lluictrlfactory.h | 252 |
1 files changed, 75 insertions, 177 deletions
diff --git a/indra/llui/lluictrlfactory.h b/indra/llui/lluictrlfactory.h index b1fa6add67..499b97f52d 100644 --- a/indra/llui/lluictrlfactory.h +++ b/indra/llui/lluictrlfactory.h @@ -2,55 +2,38 @@ * @file lluictrlfactory.h * @brief Factory class for creating UI controls * - * $LicenseInfo:firstyear=2003&license=viewergpl$ - * - * Copyright (c) 2003-2009, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2003&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 + * Copyright (C) 2010, Linden Research, Inc. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at - * http://secondlifegrid.net/programs/open_source/licensing/flossexception + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ #ifndef LLUICTRLFACTORY_H #define LLUICTRLFACTORY_H -#include "llcallbackmap.h" +#include "llfasttimer.h" #include "llinitparam.h" #include "llregistry.h" -#include "v4color.h" -#include "llfasttimer.h" - #include "llxuiparser.h" -#include <boost/function.hpp> -#include <iosfwd> -#include <stack> -#include <set> - -class LLPanel; -class LLFloater; class LLView; - // sort functor for typeid maps struct LLCompareTypeID { @@ -91,12 +74,6 @@ class LLWidgetNameRegistry : public LLRegistrySingleton<const std::type_info*, std::string, LLWidgetNameRegistry , LLCompareTypeID> {}; -// lookup factory functions for default widget instances by widget type -typedef LLView* (*dummy_widget_creator_func_t)(const std::string&); -class LLDefaultWidgetRegistry -: public LLRegistrySingleton<const std::type_info*, dummy_widget_creator_func_t, LLDefaultWidgetRegistry, LLCompareTypeID> -{}; - // lookup function for generating empty param block by widget type // this is used for schema generation //typedef const LLInitParam::BaseBlock& (*empty_param_block_func_t)(); @@ -163,56 +140,21 @@ public: return ParamDefaults<typename T::Params, 0>::instance().get(); } - bool buildFloater(LLFloater* floaterp, const std::string &filename, LLXMLNodePtr output_node); - BOOL buildPanel(LLPanel* panelp, const std::string &filename, LLXMLNodePtr output_node = NULL); - // Does what you want for LLFloaters and LLPanels // Returns 0 on success S32 saveToXML(LLView* viewp, const std::string& filename); - std::string getCurFileName() { return mFileNames.empty() ? "" : mFileNames.back(); } - - static BOOL getAttributeColor(LLXMLNodePtr node, const std::string& name, LLColor4& color); - - LLPanel* createFactoryPanel(const std::string& name); - - void pushFactoryFunctions(const LLCallbackMap::map_t* map); - void popFactoryFunctions(); - - template<typename T> - static T* createWidget(typename T::Params& params, LLView* parent = NULL) - { - T* widget = NULL; - - if (!params.validateBlock()) - { - llwarns << getInstance()->getCurFileName() << ": Invalid parameter block for " << typeid(T).name() << llendl; - //return NULL; - } - - { - LLFastTimer timer(FTM_WIDGET_CONSTRUCTION); - widget = new T(params); - } - { - LLFastTimer timer(FTM_INIT_FROM_PARAMS); - widget->initFromParams(params); - } - - if (parent) - { - S32 tab_group = params.tab_group.isProvided() ? params.tab_group() : S32_MAX; - setCtrlParent(widget, parent, tab_group); - } - return widget; - } + // filename tracking for debugging info + std::string getCurFileName(); + void pushFileName(const std::string& name); + void popFileName(); template<typename T> static T* create(typename T::Params& params, LLView* parent = NULL) { params.fillFrom(ParamDefaults<typename T::Params, 0>::instance().get()); - T* widget = createWidget<T>(params, parent); + T* widget = createWidgetImpl<T>(params, parent); if (widget) { widget->postBuild(); @@ -229,7 +171,7 @@ public: T* widget = NULL; std::string skinned_filename = findSkinnedFilename(filename); - getInstance()->mFileNames.push_back(skinned_filename); + instance().pushFileName(filename); { LLXMLNodePtr root_node; @@ -263,28 +205,61 @@ public: } } fail: - getInstance()->mFileNames.pop_back(); + instance().popFileName(); return widget; } template<class T> static T* getDefaultWidget(const std::string& name) { - dummy_widget_creator_func_t* dummy_func = getDefaultWidgetFunc(&typeid(T)); - return dummy_func ? dynamic_cast<T*>((*dummy_func)(name)) : NULL; + typename T::Params widget_params; + widget_params.name = name; + return create<T>(widget_params); } - template <class T> - static LLView* createDefaultWidget(const std::string& name) - { - typename T::Params params; - params.name(name); - - return create<T>(params); - } + static void createChildren(LLView* viewp, LLXMLNodePtr node, const widget_registry_t&, LLXMLNodePtr output_node = NULL); + + static bool getLayeredXMLNode(const std::string &filename, LLXMLNodePtr& root); + static bool getLocalizedXMLNode(const std::string &xui_filename, LLXMLNodePtr& root); + +private: + //NOTE: both friend declarations are necessary to keep both gcc and msvc happy + template <typename T> friend class LLChildRegistry; + template <typename T> template <typename U> friend class LLChildRegistry<T>::Register; static void copyName(LLXMLNodePtr src, LLXMLNodePtr dest); + // helper function for adding widget type info to various registries + static void registerWidget(const std::type_info* widget_type, const std::type_info* param_block_type, const std::string& tag); + + static void loadWidgetTemplate(const std::string& widget_tag, LLInitParam::BaseBlock& block); + + template<typename T> + static T* createWidgetImpl(const typename T::Params& params, LLView* parent = NULL) + { + T* widget = NULL; + + if (!params.validateBlock()) + { + llwarns << getInstance()->getCurFileName() << ": Invalid parameter block for " << typeid(T).name() << llendl; + //return NULL; + } + + { LLFastTimer _(FTM_WIDGET_CONSTRUCTION); + widget = new T(params); + } + { LLFastTimer _(FTM_INIT_FROM_PARAMS); + widget->initFromParams(params); + } + + if (parent) + { + S32 tab_group = params.tab_group.isProvided() ? params.tab_group() : S32_MAX; + setCtrlParent(widget, parent, tab_group); + } + return widget; + } + template<typename T> static T* defaultBuilder(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr output_node) { @@ -292,7 +267,8 @@ fail: typename T::Params params(getDefaultParams<T>()); - LLXUIParser::instance().readXUI(node, params, LLUICtrlFactory::getInstance()->getCurFileName()); + LLXUIParser parser; + parser.readXUI(node, params, LLUICtrlFactory::getInstance()->getCurFileName()); if (output_node) { @@ -302,14 +278,13 @@ fail: // Export only the differences between this any default params typename T::Params default_params(getDefaultParams<T>()); copyName(node, output_node); - LLXUIParser::instance().writeXUI( - output_node, output_params, &default_params); + parser.writeXUI(output_node, output_params, &default_params); } // Apply layout transformations, usually munging rect params.from_xui = true; T::applyXUILayout(params, parent); - T* widget = createWidget<T>(params, parent); + T* widget = createWidgetImpl<T>(params, parent); typedef typename T::child_registry_t registry_t; @@ -324,20 +299,6 @@ fail: return widget; } - static void createChildren(LLView* viewp, LLXMLNodePtr node, const widget_registry_t&, LLXMLNodePtr output_node = NULL); - - static bool getLayeredXMLNode(const std::string &filename, LLXMLNodePtr& root); - - static bool getLocalizedXMLNode(const std::string &xui_filename, LLXMLNodePtr& root); - - static void loadWidgetTemplate(const std::string& widget_tag, LLInitParam::BaseBlock& block); - - // helper function for adding widget type info to various registries - static void registerWidget(const std::type_info* widget_type, const std::type_info* param_block_type, dummy_widget_creator_func_t creator_func, const std::string& tag); - -private: - // return default widget instance factory func for a given type - static dummy_widget_creator_func_t* getDefaultWidgetFunc(const std::type_info* widget_type); static const std::string* getWidgetTag(const std::type_info* widget_type); @@ -347,20 +308,10 @@ private: // Avoid directly using LLUI and LLDir in the template code static std::string findSkinnedFilename(const std::string& filename); - typedef std::deque<const LLCallbackMap::map_t*> factory_stack_t; - factory_stack_t mFactoryStack; - - LLPanel* mDummyPanel; + class LLPanel* mDummyPanel; std::vector<std::string> mFileNames; }; -template<typename T> -const LLInitParam::BaseBlock& getEmptyParamBlock() -{ - static typename T::Params params; - return params; -} - // this is here to make gcc happy with reference to LLUICtrlFactory template<typename DERIVED> template<typename T> @@ -368,65 +319,12 @@ LLChildRegistry<DERIVED>::Register<T>::Register(const char* tag, LLWidgetCreator : LLChildRegistry<DERIVED>::StaticRegistrar(tag, func.empty() ? (LLWidgetCreatorFunc)&LLUICtrlFactory::defaultBuilder<T> : func) { // add this widget to various registries - LLUICtrlFactory::instance().registerWidget(&typeid(T), &typeid(typename T::Params), &LLUICtrlFactory::createDefaultWidget<T>, tag); + LLUICtrlFactory::instance().registerWidget(&typeid(T), &typeid(typename T::Params), tag); // since registry_t depends on T, do this in line here - typedef typename T::child_registry_t registry_t; - LLChildRegistryRegistry::instance().defaultRegistrar().add(&typeid(T), registry_t::instance()); + // TODO: uncomment this for schema generation + //typedef typename T::child_registry_t registry_t; + //LLChildRegistryRegistry::instance().defaultRegistrar().add(&typeid(T), registry_t::instance()); } - -typedef boost::function<LLPanel* (void)> LLPanelClassCreatorFunc; - -// local static instance for registering a particular panel class - -class LLRegisterPanelClass -: public LLSingleton< LLRegisterPanelClass > -{ -public: - // reigister with either the provided builder, or the generic templated builder - void addPanelClass(const std::string& tag,LLPanelClassCreatorFunc func) - { - mPanelClassesNames[tag] = func; - } - - LLPanel* createPanelClass(const std::string& tag) - { - param_name_map_t::iterator iT = mPanelClassesNames.find(tag); - if(iT == mPanelClassesNames.end()) - return 0; - return iT->second(); - } - template<typename T> - static T* defaultPanelClassBuilder() - { - T* pT = new T(); - return pT; - } - -private: - typedef std::map< std::string, LLPanelClassCreatorFunc> param_name_map_t; - - param_name_map_t mPanelClassesNames; -}; - - -// local static instance for registering a particular panel class -template<typename T> -class LLRegisterPanelClassWrapper -: public LLRegisterPanelClass -{ -public: - // reigister with either the provided builder, or the generic templated builder - LLRegisterPanelClassWrapper(const std::string& tag); -}; - - -template<typename T> -LLRegisterPanelClassWrapper<T>::LLRegisterPanelClassWrapper(const std::string& tag) -{ - LLRegisterPanelClass::instance().addPanelClass(tag,&LLRegisterPanelClass::defaultPanelClassBuilder<T>); -} - - #endif //LLUICTRLFACTORY_H |