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PEGASUS: Import the MMNotification classes
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Matthew Hoops
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Jun 16, 2011
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/* ScummVM - Graphic Adventure Engine | ||
* | ||
* ScummVM is the legal property of its developers, whose names | ||
* are too numerous to list here. Please refer to the COPYRIGHT | ||
* file distributed with this source distribution. | ||
* | ||
* Additional copyright for this file: | ||
* Copyright (C) 1995-1997 Presto Studios | ||
* | ||
* This program is free software; you can redistribute it and/or | ||
* modify it under the terms of the GNU General Public License | ||
* as published by the Free Software Foundation; either version 2 | ||
* of the License, or (at your option) any later version. | ||
* This program 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 General Public License for more details. | ||
* You should have received a copy of the GNU General Public License | ||
* along with this program; if not, write to the Free Software | ||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | ||
* | ||
*/ | ||
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#include "pegasus/MMShell/MMConstants.h" | ||
#include "pegasus/MMShell/Notification/MMNotification.h" | ||
#include "pegasus/MMShell/Notification/MMNotificationManager.h" | ||
#include "pegasus/MMShell/Notification/MMNotificationReceiver.h" | ||
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namespace Pegasus { | ||
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typedef tReceiverList::iterator tReceiverIterator; | ||
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MMNotification::MMNotification(const tNotificationID id, MMNotificationManager *owner) : MMIDObject(id) { | ||
fOwner = owner; | ||
fCurrentFlags = kNoNotificationFlags; | ||
if (fOwner) | ||
fOwner->AddNotification(this); | ||
} | ||
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MMNotification::~MMNotification() { | ||
for (tReceiverIterator it = fReceivers.begin(); it != fReceivers.end(); it++) | ||
it->fReceiver->NewNotification(NULL); | ||
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if (fOwner) | ||
fOwner->RemoveNotification(this); | ||
} | ||
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// Selectively set or clear notificiation bits. | ||
// Wherever mask is 0, leave existing bits untouched. | ||
// Wherever mask is 1, set bit equivalent to flags. | ||
void MMNotification::NotifyMe(MMNotificationReceiver* receiver, tNotificationFlags flags, tNotificationFlags mask) { | ||
for (tReceiverIterator it = fReceivers.begin(); it != fReceivers.end(); it++) { | ||
if (it->fReceiver == receiver) { | ||
it->fMask = (it->fMask & ~mask) | (flags & mask); | ||
receiver->NewNotification(this); | ||
return; | ||
} | ||
} | ||
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tReceiverEntry newEntry; | ||
newEntry.fReceiver = receiver; | ||
newEntry.fMask = flags; | ||
fReceivers.push_back(newEntry); | ||
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receiver->NewNotification(this); | ||
} | ||
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void MMNotification::CancelNotification(MMNotificationReceiver *receiver) { | ||
for (tReceiverIterator it = fReceivers.begin(); it != fReceivers.end(); it++) | ||
if (it->fReceiver == receiver) | ||
fReceivers.erase(it); | ||
} | ||
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void MMNotification::SetNotificationFlags(tNotificationFlags flags, tNotificationFlags mask) { | ||
fCurrentFlags = (fCurrentFlags & ~mask) | flags; | ||
} | ||
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void MMNotification::CheckReceivers() { | ||
tNotificationFlags currentFlags = fCurrentFlags; | ||
fCurrentFlags = kNoNotificationFlags; | ||
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for (tReceiverIterator it = fReceivers.begin(); it != fReceivers.end(); it++) | ||
if (it->fMask & currentFlags) | ||
it->fReceiver->ReceiveNotification(this, currentFlags); | ||
} | ||
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// Receiver entries are equal if their receivers are equal. | ||
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int operator==(const tReceiverEntry &entry1, const tReceiverEntry &entry2) { | ||
return entry1.fReceiver == entry2.fReceiver; | ||
} | ||
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int operator!=(const tReceiverEntry &entry1, const tReceiverEntry &entry2) { | ||
return entry1.fReceiver != entry2.fReceiver; | ||
} | ||
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} // End of namespace Pegasus |
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/* ScummVM - Graphic Adventure Engine | ||
* | ||
* ScummVM is the legal property of its developers, whose names | ||
* are too numerous to list here. Please refer to the COPYRIGHT | ||
* file distributed with this source distribution. | ||
* | ||
* Additional copyright for this file: | ||
* Copyright (C) 1995-1997 Presto Studios | ||
* | ||
* This program is free software; you can redistribute it and/or | ||
* modify it under the terms of the GNU General Public License | ||
* as published by the Free Software Foundation; either version 2 | ||
* of the License, or (at your option) any later version. | ||
* This program 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 General Public License for more details. | ||
* You should have received a copy of the GNU General Public License | ||
* along with this program; if not, write to the Free Software | ||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | ||
* | ||
*/ | ||
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#ifndef PEGASUS_MMSHELL_NOTIFICATION_MMNOTIFICATION_H | ||
#define PEGASUS_MMSHELL_NOTIFICATION_MMNOTIFICATION_H | ||
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#include "common/list.h" | ||
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#include "pegasus/MMShell/MMTypes.h" | ||
#include "pegasus/MMShell/Utilities/MMIDObject.h" | ||
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namespace Pegasus { | ||
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class MMNotificationManager; | ||
class MMNotificationReceiver; | ||
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struct tReceiverEntry { | ||
MMNotificationReceiver *fReceiver; | ||
tNotificationFlags fMask; | ||
}; | ||
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int operator==(const tReceiverEntry &entry1, const tReceiverEntry &entry1); | ||
int operator!=(const tReceiverEntry &entry1, const tReceiverEntry &entry1); | ||
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typedef Common::List<tReceiverEntry> tReceiverList; | ||
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/* | ||
A notification can have 32 flags associated with it, which can be user-defined. | ||
*/ | ||
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class MMNotification : public MMIDObject { | ||
friend class MMNotificationManager; | ||
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public: | ||
MMNotification(const tNotificationID id, MMNotificationManager *owner); | ||
virtual ~MMNotification(); | ||
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// NotifyMe will have this receiver notified when any of the specified notification | ||
// flags are set. | ||
// If there is already a notification set for this receiver, NotifyMe does a bitwise | ||
// OR with the receiver's current notification flags. | ||
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// Can selectively set or clear notification bits by using the flags and mask argument. | ||
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void NotifyMe(MMNotificationReceiver*, tNotificationFlags flags, tNotificationFlags mask); | ||
void CancelNotification(MMNotificationReceiver *receiver); | ||
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void SetNotificationFlags(tNotificationFlags flags, tNotificationFlags mask); | ||
tNotificationFlags GetNotificationFlags() { return fCurrentFlags; } | ||
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void ClearNotificationFlags() { SetNotificationFlags(0, ~(tNotificationFlags)0); } | ||
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protected: | ||
void CheckReceivers(); | ||
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MMNotificationManager *fOwner; | ||
tReceiverList fReceivers; | ||
tNotificationFlags fCurrentFlags; | ||
}; | ||
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} // End of namespace Pegasus | ||
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#endif |
61 changes: 61 additions & 0 deletions
61
engines/pegasus/MMShell/Notification/MMNotificationManager.cpp
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@@ -0,0 +1,61 @@ | ||
/* ScummVM - Graphic Adventure Engine | ||
* | ||
* ScummVM is the legal property of its developers, whose names | ||
* are too numerous to list here. Please refer to the COPYRIGHT | ||
* file distributed with this source distribution. | ||
* | ||
* Additional copyright for this file: | ||
* Copyright (C) 1995-1997 Presto Studios | ||
* | ||
* This program is free software; you can redistribute it and/or | ||
* modify it under the terms of the GNU General Public License | ||
* as published by the Free Software Foundation; either version 2 | ||
* of the License, or (at your option) any later version. | ||
* This program 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 General Public License for more details. | ||
* You should have received a copy of the GNU General Public License | ||
* along with this program; if not, write to the Free Software | ||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | ||
* | ||
*/ | ||
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#include "pegasus/MMShell/MMConstants.h" | ||
#include "pegasus/MMShell/Notification/MMNotificationManager.h" | ||
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namespace Pegasus { | ||
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typedef tNotificationList::iterator tNotificationIterator; | ||
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MMNotificationManager::MMNotificationManager() { | ||
} | ||
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MMNotificationManager::~MMNotificationManager() { | ||
DetachNotifications(); | ||
} | ||
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void MMNotificationManager::AddNotification(MMNotification *notification) { | ||
fNotifications.push_back(notification); | ||
} | ||
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void MMNotificationManager::RemoveNotification(MMNotification *notification) { | ||
for (tNotificationIterator it = fNotifications.begin(); it != fNotifications.end(); it++) | ||
if ((*it) == notification) | ||
fNotifications.erase(it); | ||
} | ||
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void MMNotificationManager::DetachNotifications() { | ||
for (tNotificationIterator it = fNotifications.begin(); it != fNotifications.end(); it++) | ||
(*it)->fOwner = 0; | ||
} | ||
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void MMNotificationManager::CheckNotifications() { | ||
for (tNotificationIterator it = fNotifications.begin(); it != fNotifications.end(); it++) | ||
if ((*it)->fCurrentFlags != kNoNotificationFlags) | ||
(*it)->CheckReceivers(); | ||
} | ||
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} // End of namespace Pegasus |
58 changes: 58 additions & 0 deletions
58
engines/pegasus/MMShell/Notification/MMNotificationManager.h
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@@ -0,0 +1,58 @@ | ||
/* ScummVM - Graphic Adventure Engine | ||
* | ||
* ScummVM is the legal property of its developers, whose names | ||
* are too numerous to list here. Please refer to the COPYRIGHT | ||
* file distributed with this source distribution. | ||
* | ||
* Additional copyright for this file: | ||
* Copyright (C) 1995-1997 Presto Studios | ||
* | ||
* This program is free software; you can redistribute it and/or | ||
* modify it under the terms of the GNU General Public License | ||
* as published by the Free Software Foundation; either version 2 | ||
* of the License, or (at your option) any later version. | ||
* This program 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 General Public License for more details. | ||
* You should have received a copy of the GNU General Public License | ||
* along with this program; if not, write to the Free Software | ||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | ||
* | ||
*/ | ||
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#ifndef PEGASUS_MMSHELL_NOTIFICATION_MMNOTIFICATIONMANAGER_H | ||
#define PEGASUS_MMSHELL_NOTIFICATION_MMNOTIFICATIONMANAGER_H | ||
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#include "common/list.h" | ||
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#include "pegasus/MMShell/Notification/MMNotificationReceiver.h" | ||
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namespace Pegasus { | ||
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class MMNotification; | ||
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typedef Common::List<MMNotification *> tNotificationList; | ||
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class MMNotificationManager : public MMNotificationReceiver { | ||
friend class MMNotification; | ||
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public: | ||
MMNotificationManager(); | ||
virtual ~MMNotificationManager(); | ||
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void CheckNotifications(); | ||
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protected: | ||
void AddNotification(MMNotification *notification); | ||
void RemoveNotification(MMNotification *notification); | ||
void DetachNotifications(); | ||
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tNotificationList fNotifications; | ||
}; | ||
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} // End of namespace Pegasus | ||
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#endif |
46 changes: 46 additions & 0 deletions
46
engines/pegasus/MMShell/Notification/MMNotificationReceiver.cpp
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@@ -0,0 +1,46 @@ | ||
/* ScummVM - Graphic Adventure Engine | ||
* | ||
* ScummVM is the legal property of its developers, whose names | ||
* are too numerous to list here. Please refer to the COPYRIGHT | ||
* file distributed with this source distribution. | ||
* | ||
* Additional copyright for this file: | ||
* Copyright (C) 1995-1997 Presto Studios | ||
* | ||
* This program is free software; you can redistribute it and/or | ||
* modify it under the terms of the GNU General Public License | ||
* as published by the Free Software Foundation; either version 2 | ||
* of the License, or (at your option) any later version. | ||
* This program 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 General Public License for more details. | ||
* You should have received a copy of the GNU General Public License | ||
* along with this program; if not, write to the Free Software | ||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | ||
* | ||
*/ | ||
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#include "pegasus/MMShell/Notification/MMNotificationReceiver.h" | ||
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namespace Pegasus { | ||
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MMNotificationReceiver::MMNotificationReceiver() { | ||
fNotification = NULL; | ||
} | ||
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MMNotificationReceiver::~MMNotificationReceiver() { | ||
if (fNotification) | ||
fNotification->CancelNotification(this); | ||
} | ||
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void MMNotificationReceiver::ReceiveNotification(MMNotification *, const tNotificationFlags) { | ||
} | ||
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void MMNotificationReceiver::NewNotification(MMNotification *notification) { | ||
fNotification = notification; | ||
} | ||
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} // End of namespace Pegasus |
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