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-rw-r--r--indra/newview/llcallbacklist.cpp305
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diff --git a/indra/newview/llcallbacklist.cpp b/indra/newview/llcallbacklist.cpp
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--- a/indra/newview/llcallbacklist.cpp
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-/**
- * @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 "llviewerprecompiledheaders.h"
-
-#include "llcallbacklist.h"
-#include "lleventtimer.h"
-
-// Library includes
-#include "llerror.h"
-
-
-//
-// Globals
-//
-LLCallbackList gIdleCallbacks;
-
-//
-// Member functions
-//
-
-LLCallbackList::LLCallbackList()
-{
- // nothing
-}
-
-LLCallbackList::~LLCallbackList()
-{
-}
-
-
-void LLCallbackList::addFunction( callback_t func, void *data)
-{
- if (!func)
- {
- LL_ERRS() << "LLCallbackList::addFunction - function is NULL" << LL_ENDL;
- return;
- }
-
- // only add one callback per func/data pair
- callback_pair_t t(func, data);
- callback_list_t::iterator iter = std::find(mCallbackList.begin(), mCallbackList.end(), t);
- if (iter == mCallbackList.end())
- {
- mCallbackList.push_back(t);
- }
-}
-
-
-BOOL LLCallbackList::containsFunction( callback_t func, void *data)
-{
- callback_pair_t t(func, data);
- callback_list_t::iterator iter = std::find(mCallbackList.begin(), mCallbackList.end(), t);
- if (iter != mCallbackList.end())
- {
- return TRUE;
- }
- else
- {
- return FALSE;
- }
-}
-
-
-BOOL LLCallbackList::deleteFunction( callback_t func, void *data)
-{
- callback_pair_t t(func, data);
- callback_list_t::iterator iter = std::find(mCallbackList.begin(), mCallbackList.end(), t);
- if (iter != mCallbackList.end())
- {
- mCallbackList.erase(iter);
- return TRUE;
- }
- else
- {
- return FALSE;
- }
-}
-
-
-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);
-}
-
-#ifdef _DEBUG
-
-void test1(void *data)
-{
- S32 *s32_data = (S32 *)data;
- LL_INFOS() << "testfunc1 " << *s32_data << LL_ENDL;
-}
-
-
-void test2(void *data)
-{
- S32 *s32_data = (S32 *)data;
- LL_INFOS() << "testfunc2 " << *s32_data << LL_ENDL;
-}
-
-
-void
-LLCallbackList::test()
-{
- S32 a = 1;
- S32 b = 2;
- LLCallbackList *list = new LLCallbackList;
-
- LL_INFOS() << "Testing LLCallbackList" << LL_ENDL;
-
- if (!list->deleteFunction(NULL))
- {
- LL_INFOS() << "passed 1" << LL_ENDL;
- }
- else
- {
- LL_INFOS() << "error, removed function from empty list" << LL_ENDL;
- }
-
- // LL_INFOS() << "This should crash" << LL_ENDL;
- // list->addFunction(NULL);
-
- list->addFunction(&test1, &a);
- list->addFunction(&test1, &a);
-
- LL_INFOS() << "Expect: test1 1, test1 1" << LL_ENDL;
- list->callFunctions();
-
- list->addFunction(&test1, &b);
- list->addFunction(&test2, &b);
-
- LL_INFOS() << "Expect: test1 1, test1 1, test1 2, test2 2" << LL_ENDL;
- list->callFunctions();
-
- if (list->deleteFunction(&test1, &b))
- {
- LL_INFOS() << "passed 3" << LL_ENDL;
- }
- else
- {
- LL_INFOS() << "error removing function" << LL_ENDL;
- }
-
- LL_INFOS() << "Expect: test1 1, test1 1, test2 2" << LL_ENDL;
- list->callFunctions();
-
- list->deleteAllFunctions();
-
- LL_INFOS() << "Expect nothing" << LL_ENDL;
- list->callFunctions();
-
- LL_INFOS() << "nothing :-)" << LL_ENDL;
-
- delete list;
-
- LL_INFOS() << "test complete" << LL_ENDL;
-}
-
-#endif // _DEBUG