diff options
Diffstat (limited to 'indra/llcommon')
| -rwxr-xr-x | indra/llcommon/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | indra/llcommon/llcallbacklist.cpp | 230 | ||||
| -rw-r--r-- | indra/llcommon/llcallbacklist.h | 79 | ||||
| -rwxr-xr-x | indra/llcommon/lldate.h | 1 | ||||
| -rwxr-xr-x | indra/llcommon/llinstancetracker.h | 1 | ||||
| -rwxr-xr-x | indra/llcommon/llstl.h | 4 |
6 files changed, 315 insertions, 2 deletions
diff --git a/indra/llcommon/CMakeLists.txt b/indra/llcommon/CMakeLists.txt index 8767616a70..aad3bd64a2 100755 --- a/indra/llcommon/CMakeLists.txt +++ b/indra/llcommon/CMakeLists.txt @@ -36,6 +36,7 @@ set(llcommon_SOURCE_FILES llavatarname.cpp llbase32.cpp llbase64.cpp + llcallbacklist.cpp llcommon.cpp llcommonutils.cpp llcoros.cpp @@ -139,6 +140,7 @@ set(llcommon_HEADER_FILES llboost.h llchat.h llclickaction.h + llcallbacklist.h llcommon.h llcommonutils.h llcoros.h diff --git a/indra/llcommon/llcallbacklist.cpp b/indra/llcommon/llcallbacklist.cpp new file mode 100644 index 0000000000..541ff75ee4 --- /dev/null +++ b/indra/llcommon/llcallbacklist.cpp @@ -0,0 +1,230 @@ +/** + * @file llcallbacklist.cpp + * @brief A simple list of callback functions to call. + * + * $LicenseInfo:firstyear=2001&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2010, Linden Research, Inc. + * + * 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. + * + * 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. + * + * 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 + * $/LicenseInfo$ + */ + +#include "llcallbacklist.h" +#include "lleventtimer.h" +#include "llerrorlegacy.h" + +// Globals +// +LLCallbackList gIdleCallbacks; + +// +// Member functions +// + +LLCallbackList::LLCallbackList() +{ + // nothing +} + +LLCallbackList::~LLCallbackList() +{ +} + + +void LLCallbackList::addFunction( callback_t func, void *data) +{ + if (!func) + { + return; + } + + // only add one callback per func/data pair + // + if (containsFunction(func)) + { + return; + } + + callback_pair_t t(func, data); + mCallbackList.push_back(t); +} + +bool LLCallbackList::containsFunction( callback_t func, void *data) +{ + callback_pair_t t(func, data); + callback_list_t::iterator iter = find(func,data); + if (iter != mCallbackList.end()) + { + return TRUE; + } + else + { + return FALSE; + } +} + + +bool LLCallbackList::deleteFunction( callback_t func, void *data) +{ + callback_list_t::iterator iter = find(func,data); + if (iter != mCallbackList.end()) + { + mCallbackList.erase(iter); + return TRUE; + } + else + { + return FALSE; + } +} + +inline +LLCallbackList::callback_list_t::iterator +LLCallbackList::find(callback_t func, void *data) +{ + callback_pair_t t(func, data); + return std::find(mCallbackList.begin(), mCallbackList.end(), t); +} + +void LLCallbackList::deleteAllFunctions() +{ + mCallbackList.clear(); +} + + +void LLCallbackList::callFunctions() +{ + for (callback_list_t::iterator iter = mCallbackList.begin(); iter != mCallbackList.end(); ) + { + callback_list_t::iterator curiter = iter++; + curiter->first(curiter->second); + } +} + +// Shim class to allow arbitrary boost::bind +// expressions to be run as one-time idle callbacks. +class OnIdleCallbackOneTime +{ +public: + OnIdleCallbackOneTime(nullary_func_t callable): + mCallable(callable) + { + } + static void onIdle(void *data) + { + gIdleCallbacks.deleteFunction(onIdle, data); + OnIdleCallbackOneTime* self = reinterpret_cast<OnIdleCallbackOneTime*>(data); + self->call(); + delete self; + } + void call() + { + mCallable(); + } +private: + nullary_func_t mCallable; +}; + +void doOnIdleOneTime(nullary_func_t callable) +{ + OnIdleCallbackOneTime* cb_functor = new OnIdleCallbackOneTime(callable); + gIdleCallbacks.addFunction(&OnIdleCallbackOneTime::onIdle,cb_functor); +} + +// Shim class to allow generic boost functions to be run as +// recurring idle callbacks. Callable should return true when done, +// false to continue getting called. +class OnIdleCallbackRepeating +{ +public: + OnIdleCallbackRepeating(bool_func_t callable): + mCallable(callable) + { + } + // Will keep getting called until the callable returns true. + static void onIdle(void *data) + { + OnIdleCallbackRepeating* self = reinterpret_cast<OnIdleCallbackRepeating*>(data); + bool done = self->call(); + if (done) + { + gIdleCallbacks.deleteFunction(onIdle, data); + delete self; + } + } + bool call() + { + return mCallable(); + } +private: + bool_func_t mCallable; +}; + +void doOnIdleRepeating(bool_func_t callable) +{ + OnIdleCallbackRepeating* cb_functor = new OnIdleCallbackRepeating(callable); + gIdleCallbacks.addFunction(&OnIdleCallbackRepeating::onIdle,cb_functor); +} + +class NullaryFuncEventTimer: public LLEventTimer +{ +public: + NullaryFuncEventTimer(nullary_func_t callable, F32 seconds): + LLEventTimer(seconds), + mCallable(callable) + { + } + +private: + BOOL tick() + { + mCallable(); + return TRUE; + } + + nullary_func_t mCallable; +}; + +// Call a given callable once after specified interval. +void doAfterInterval(nullary_func_t callable, F32 seconds) +{ + new NullaryFuncEventTimer(callable, seconds); +} + +class BoolFuncEventTimer: public LLEventTimer +{ +public: + BoolFuncEventTimer(bool_func_t callable, F32 seconds): + LLEventTimer(seconds), + mCallable(callable) + { + } +private: + BOOL tick() + { + return mCallable(); + } + + bool_func_t mCallable; +}; + +// Call a given callable every specified number of seconds, until it returns true. +void doPeriodically(bool_func_t callable, F32 seconds) +{ + new BoolFuncEventTimer(callable, seconds); +} diff --git a/indra/llcommon/llcallbacklist.h b/indra/llcommon/llcallbacklist.h new file mode 100644 index 0000000000..89716cd74c --- /dev/null +++ b/indra/llcommon/llcallbacklist.h @@ -0,0 +1,79 @@ +/** + * @file llcallbacklist.h + * @brief A simple list of callback functions to call. + * + * $LicenseInfo:firstyear=2001&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2010, Linden Research, Inc. + * + * 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. + * + * 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. + * + * 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 LL_LLCALLBACKLIST_H +#define LL_LLCALLBACKLIST_H + +#include "llstl.h" +#include <boost/function.hpp> +#include <list> + +class LLCallbackList +{ +public: + typedef void (*callback_t)(void*); + + typedef std::pair< callback_t,void* > callback_pair_t; + // NOTE: It is confirmed that we DEPEND on the order provided by using a list :( + // + typedef std::list< callback_pair_t > callback_list_t; + + LLCallbackList(); + ~LLCallbackList(); + + void addFunction( callback_t func, void *data = NULL ); // register a callback, which will be called as func(data) + bool containsFunction( callback_t func, void *data = NULL ); // true if list already contains the function/data pair + bool deleteFunction( callback_t func, void *data = NULL ); // removes the first instance of this function/data pair from the list, false if not found + void callFunctions(); // calls all functions + void deleteAllFunctions(); + + static void test(); + +protected: + + inline callback_list_t::iterator find(callback_t func, void *data); + + callback_list_t mCallbackList; +}; + +typedef boost::function<void ()> nullary_func_t; +typedef boost::function<bool ()> bool_func_t; + +// Call a given callable once in idle loop. +void doOnIdleOneTime(nullary_func_t callable); + +// Repeatedly call a callable in idle loop until it returns true. +void doOnIdleRepeating(bool_func_t callable); + +// Call a given callable once after specified interval. +void doAfterInterval(nullary_func_t callable, F32 seconds); + +// Call a given callable every specified number of seconds, until it returns true. +void doPeriodically(bool_func_t callable, F32 seconds); + +extern LLCallbackList gIdleCallbacks; + +#endif diff --git a/indra/llcommon/lldate.h b/indra/llcommon/lldate.h index 7ff8b550ad..47635b30bc 100755 --- a/indra/llcommon/lldate.h +++ b/indra/llcommon/lldate.h @@ -33,6 +33,7 @@ #include <string> #include "stdtypes.h" +#include "llpreprocessor.h" /** * @class LLDate diff --git a/indra/llcommon/llinstancetracker.h b/indra/llcommon/llinstancetracker.h index 55187d8325..b039290037 100755 --- a/indra/llcommon/llinstancetracker.h +++ b/indra/llcommon/llinstancetracker.h @@ -305,7 +305,6 @@ protected: virtual ~LLInstanceTracker() { // it's unsafe to delete instances of this type while all instances are being iterated over. - llassert_always(getStatic().sIterationNestDepth == 0); getSet_().erase(static_cast<T*>(this)); } diff --git a/indra/llcommon/llstl.h b/indra/llcommon/llstl.h index 0a39288f5a..6a539c2b91 100755 --- a/indra/llcommon/llstl.h +++ b/indra/llcommon/llstl.h @@ -27,6 +27,8 @@ #ifndef LL_LLSTL_H #define LL_LLSTL_H +#include "stdtypes.h" + #include <functional> #include <algorithm> #include <map> @@ -489,7 +491,7 @@ bool before(const std::type_info* lhs, const std::type_info* rhs) return strcmp(lhs->name(), rhs->name()) < 0; #else // not Linux, or gcc 4.4+ // Just use before(), as we normally would - return lhs->before(*rhs); + return lhs->before(*rhs) ? true : false; #endif } |