1 | /* |
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2 | * ORXONOX - the hottest 3D action shooter ever to exist |
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3 | * > www.orxonox.net < |
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4 | * |
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5 | * |
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6 | * License notice: |
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7 | * |
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8 | * This program is free software; you can redistribute it and/or |
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9 | * modify it under the terms of the GNU General Public License |
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10 | * as published by the Free Software Foundation; either version 2 |
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11 | * of the License, or (at your option) any later version. |
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12 | * |
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13 | * This program is distributed in the hope that it will be useful, |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | * GNU General Public License for more details. |
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17 | * |
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18 | * You should have received a copy of the GNU General Public License |
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19 | * along with this program; if not, write to the Free Software |
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20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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21 | * |
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22 | * Author: |
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23 | * Damian 'Mozork' Frick |
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24 | * Co-authors: |
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25 | * ... |
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26 | * |
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27 | */ |
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28 | |
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29 | /** |
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30 | @file NotificationQueue.cc |
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31 | @brief Implementation of the NotificationQueue class. |
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32 | */ |
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33 | |
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34 | #include "NotificationQueue.h" |
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35 | |
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36 | #include <algorithm> |
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37 | |
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38 | #include "util/Convert.h" |
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39 | #include "core/CoreIncludes.h" |
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40 | #include "core/GUIManager.h" |
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41 | #include "core/LuaState.h" |
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42 | #include "Notification.h" |
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43 | |
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44 | namespace orxonox |
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45 | { |
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46 | |
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47 | const Vector2 NotificationQueue::DEFAULT_POSITION(0.0,0.0); |
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48 | |
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49 | /** |
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50 | @brief |
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51 | Constructor. Creates and initializes the object. |
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52 | */ |
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53 | NotificationQueue::NotificationQueue(const std::string& name, const std::string& senders, unsigned int size, const Vector2& position, unsigned int displayTime) |
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54 | { |
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55 | this->registered_ = false; |
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56 | |
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57 | RegisterRootObject(NotificationQueue); |
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58 | |
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59 | this->initialize(); |
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60 | |
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61 | this->setTargets(senders); |
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62 | this->name_ = name; |
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63 | this->maxSize_ = size; |
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64 | this->position_ = position; |
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65 | this->setDisplayTime(displayTime); |
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66 | |
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67 | this->create(); |
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68 | this->positionChanged(); |
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69 | |
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70 | NotificationManager::getInstance().registerListener(this); |
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71 | this->registered_ = true; |
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72 | |
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73 | COUT(3) << "NotificationQueue '" << this->getName() << "' created." << std::endl; |
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74 | } |
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75 | |
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76 | /** |
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77 | @brief |
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78 | Destructor. |
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79 | */ |
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80 | NotificationQueue::~NotificationQueue() |
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81 | { |
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82 | this->targets_.clear(); |
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83 | this->clear(); |
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84 | |
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85 | if(this->registered_) |
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86 | NotificationManager::getInstance().unregisterListener(this); |
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87 | } |
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88 | |
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89 | /** |
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90 | @brief |
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91 | Initializes the object. |
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92 | Registers the object, initializes variables, sets default values and registers the queue with the NotificationManager. |
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93 | */ |
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94 | void NotificationQueue::initialize(void) |
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95 | { |
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96 | this->size_ = 0; |
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97 | this->tickTime_ = 0.0; |
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98 | } |
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99 | |
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100 | /** |
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101 | @brief |
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102 | Creates the NotificationQueue in lua. |
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103 | */ |
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104 | void NotificationQueue::create(void) |
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105 | { |
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106 | GUIManager::getInstance().getLuaState()->doString("NotificationLayer.createQueue(\"" + this->getName() + "\", " + multi_cast<std::string>(this->getMaxSize()) + ")"); |
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107 | } |
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108 | |
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109 | /** |
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110 | @brief |
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111 | Updates the queue from time to time. |
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112 | @param dt |
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113 | The time interval that has passed since the last tick. |
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114 | */ |
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115 | void NotificationQueue::tick(float dt) |
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116 | { |
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117 | this->tickTime_ += dt; // Add the time interval that has passed to the time counter. |
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118 | if(this->tickTime_ >= 1.0) // If the time counter is greater than 1s all Notifications that have expired are removed, if it is smaller we wait to the next tick. |
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119 | { |
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120 | this->timeLimit_.time = std::time(0)-this->displayTime_; // Container containig the current time. |
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121 | |
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122 | std::multiset<NotificationContainer*, NotificationContainerCompare>::iterator it = this->ordering_.begin(); |
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123 | while(it != this->ordering_.upper_bound(&this->timeLimit_)) // Iterate through all elements whose creation time is smaller than the current time minus the display time. |
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124 | { |
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125 | NotificationContainer* temp = *it; |
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126 | it++; |
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127 | this->remove(temp); |
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128 | } |
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129 | |
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130 | this->tickTime_ = this->tickTime_ - (int)this->tickTime_; // Reset time counter. |
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131 | } |
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132 | } |
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133 | |
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134 | /** |
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135 | @brief |
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136 | Updates the NotificationQueue. |
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137 | Updates by clearing the queue and requesting all relevant Notifications from the NotificationManager and inserting them into the queue. |
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138 | */ |
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139 | void NotificationQueue::update(void) |
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140 | { |
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141 | this->clear(); |
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142 | |
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143 | std::multimap<std::time_t, Notification*>* notifications = new std::multimap<std::time_t, Notification*>; |
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144 | if(!NotificationManager::getInstance().getNotifications(this, notifications, this->displayTime_)) // Get the Notifications sent in the interval form now to minus the display time. |
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145 | { |
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146 | COUT(1) << "NotificationQueue update failed due to undetermined cause." << std::endl; |
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147 | return; |
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148 | } |
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149 | |
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150 | if(notifications->empty()) |
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151 | return; |
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152 | |
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153 | for(std::multimap<std::time_t, Notification*>::iterator it = notifications->begin(); it != notifications->end(); it++) // Add all Notifications. |
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154 | this->push(it->second, it->first); |
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155 | |
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156 | delete notifications; |
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157 | |
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158 | COUT(4) << "NotificationQueue '" << this->getName() << "' updated." << std::endl; |
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159 | } |
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160 | |
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161 | /** |
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162 | @brief |
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163 | Updates the NotificationQueue by adding an new Notification. |
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164 | @param notification |
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165 | Pointer to the Notification. |
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166 | @param time |
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167 | The time the Notification was sent. |
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168 | */ |
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169 | void NotificationQueue::update(Notification* notification, const std::time_t & time) |
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170 | { |
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171 | this->push(notification, time); |
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172 | |
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173 | COUT(4) << "NotificationQueue '" << this->getName() << "' updated. A new Notification has been added." << std::endl; |
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174 | } |
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175 | |
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176 | /** |
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177 | @brief |
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178 | Adds a Notification, to the queue. |
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179 | It inserts it into the storage containers, creates a corresponding container and pushes the Notification message to the GUI. |
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180 | @param notification |
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181 | The Notification. |
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182 | @param time |
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183 | The time. |
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184 | */ |
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185 | void NotificationQueue::push(Notification* notification, const std::time_t & time) |
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186 | { |
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187 | NotificationContainer* container = new NotificationContainer; |
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188 | container->notification = notification; |
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189 | container->time = time; |
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190 | |
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191 | // If the maximum size of the NotificationQueue has been reached the last (least recently added) Notification is removed. |
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192 | if(this->getSize() >= this->getMaxSize()) |
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193 | this->pop(); |
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194 | |
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195 | this->size_++; |
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196 | |
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197 | this->ordering_.insert(container); |
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198 | this->notifications_.insert(this->notifications_.begin(), container); |
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199 | |
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200 | GUIManager::getInstance().getLuaState()->doString("NotificationLayer.pushNotification(\"" + this->getName() + "\", \"" + notification->getMessage() + "\")"); |
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201 | } |
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202 | |
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203 | /** |
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204 | @brief |
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205 | Removes the least recently added Notification form the NotificationQueue. |
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206 | */ |
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207 | void NotificationQueue::pop(void) |
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208 | { |
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209 | NotificationContainer* container = this->notifications_.back(); |
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210 | this->ordering_.erase(container); |
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211 | this->notifications_.pop_back(); |
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212 | this->size_--; |
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213 | delete container; |
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214 | GUIManager::getInstance().getLuaState()->doString("NotificationLayer.popNotification(\"" + this->getName() + "\")"); |
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215 | } |
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216 | |
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217 | /** |
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218 | @brief |
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219 | Removes the Notification that is stored in the input container. |
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220 | @param container |
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221 | The NotificationContainer with the Notification to be removed. |
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222 | */ |
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223 | void NotificationQueue::remove(NotificationContainer* container) |
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224 | { |
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225 | std::vector<NotificationContainer*>::iterator it = std::find(this->notifications_.begin(), this->notifications_.end(), container); |
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226 | std::vector<NotificationContainer*>::difference_type index = it - this->notifications_.begin (); |
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227 | this->ordering_.erase(container); |
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228 | this->notifications_.erase(it); |
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229 | this->size_--; |
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230 | delete container; |
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231 | GUIManager::getInstance().getLuaState()->doString("NotificationLayer.removeNotification(\"" + this->getName() + "\", " + multi_cast<std::string>(index) + ")"); |
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232 | } |
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233 | |
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234 | /** |
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235 | @brief |
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236 | Clears the queue by removing all containers. |
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237 | */ |
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238 | void NotificationQueue::clear(void) |
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239 | { |
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240 | this->ordering_.clear(); |
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241 | for(std::vector<NotificationContainer*>::iterator it = this->notifications_.begin(); it != this->notifications_.end(); it++) |
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242 | { |
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243 | delete *it; |
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244 | } |
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245 | this->notifications_.clear(); |
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246 | this->size_ = 0; |
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247 | GUIManager::getInstance().getLuaState()->doString("NotificationLayer.clearQueue(\"" + this->getName() + "\")"); |
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248 | } |
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249 | |
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250 | /** |
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251 | @brief |
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252 | Sets the name of the NotificationQueue. |
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253 | @param name |
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254 | The name to be set. |
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255 | @return |
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256 | returns true if successful. |
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257 | */ |
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258 | bool NotificationQueue::setName(const std::string& name) |
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259 | { |
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260 | //TODO: Test uniqueness of name. |
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261 | this->name_ = name; |
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262 | return true; |
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263 | } |
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264 | |
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265 | /** |
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266 | @brief |
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267 | Sets the maximum number of displayed Notifications. |
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268 | @param size |
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269 | The size to be set. |
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270 | @return |
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271 | Returns true if successful. |
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272 | */ |
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273 | void NotificationQueue::setMaxSize(unsigned int size) |
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274 | { |
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275 | this->maxSize_ = size; |
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276 | this->update(); |
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277 | } |
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278 | |
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279 | /** |
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280 | @brief |
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281 | Sets the maximum number of seconds a Notification is displayed. |
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282 | @param time |
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283 | The number of seconds the Notifications is displayed. |
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284 | @return |
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285 | Returns true if successful. |
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286 | */ |
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287 | void NotificationQueue::setDisplayTime(unsigned int time) |
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288 | { |
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289 | this->displayTime_ = time; |
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290 | this->update(); |
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291 | } |
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292 | |
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293 | /** |
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294 | @brief |
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295 | Produces all targets concatinated as string, with kommas (',') as seperators. |
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296 | @param string |
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297 | Pointer to a string which will be used by the method to fill with the concatination of the targets. |
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298 | @return |
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299 | Returns true if successful. |
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300 | */ |
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301 | bool NotificationQueue::getTargets(std::string* string) const |
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302 | { |
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303 | if(string == NULL) |
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304 | { |
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305 | COUT(4) << "Input string must have memory allocated." << std::endl; |
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306 | return false; |
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307 | } |
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308 | string->clear(); |
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309 | bool first = true; |
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310 | for(std::set<std::string>::const_iterator it = this->targets_.begin(); it != this->targets_.end(); it++) //!< Iterate through the set of targets. |
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311 | { |
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312 | if(!first) |
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313 | { |
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314 | *string += ','; |
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315 | } |
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316 | else |
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317 | { |
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318 | first = false; |
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319 | } |
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320 | *string += *it; |
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321 | } |
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322 | |
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323 | return true; |
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324 | } |
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325 | |
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326 | /** |
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327 | @brief |
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328 | Sets the targets of the queue. |
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329 | The targets are the senders whose Notifications are displayed in this queue. |
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330 | @param targets |
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331 | Accepts a string of targets, each seperated by commas (','), spaces are ignored. |
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332 | @return |
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333 | Returns true if successful. |
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334 | */ |
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335 | bool NotificationQueue::setTargets(const std::string & targets) |
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336 | { |
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337 | this->targets_.clear(); |
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338 | |
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339 | std::string* pTemp; |
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340 | unsigned int index = 0; |
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341 | while( index < targets.size() ) //!< Go through the string, character by character until the end is reached. |
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342 | { |
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343 | pTemp = new std::string(); |
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344 | while(index < targets.size() && targets[index] != ',' && targets[index] != ' ') |
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345 | { |
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346 | *pTemp += targets[index]; |
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347 | index++; |
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348 | } |
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349 | index++; |
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350 | this->targets_.insert(*pTemp); |
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351 | } |
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352 | |
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353 | return true; |
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354 | } |
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355 | |
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356 | /** |
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357 | @brief |
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358 | Aligns all the Notifications to the position of the NotificationQueue. |
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359 | */ |
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360 | void NotificationQueue::positionChanged(void) |
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361 | { |
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362 | GUIManager::getInstance().getLuaState()->doString("NotificationLayer.changePosition(\"" + this->getName() + "\", " + multi_cast<std::string>(this->getPosition().x) + ", " + multi_cast<std::string>(this->getPosition().y) + ")"); |
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363 | } |
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364 | |
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365 | } |
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