1 /* 2 ProcessController © 2000, Georges-Edouard Berenger, All Rights Reserved. 3 Copyright (C) 2004 beunited.org 4 5 This library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 This library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with this library; if not, write to the Free Software 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 */ 19 20 21 #include "MemoryBarMenu.h" 22 #include "MemoryBarMenuItem.h" 23 #include "KernelMemoryBarMenuItem.h" 24 #include "ProcessController.h" 25 26 #include <Bitmap.h> 27 #include <Roster.h> 28 #include <Window.h> 29 30 #include <stdlib.h> 31 32 33 #define EXTRA 10 34 35 float gMemoryTextWidth; 36 37 38 MemoryBarMenu::MemoryBarMenu(const char* name, info_pack* infos, 39 system_info& systemInfo) 40 : BMenu(name), 41 fFirstShow(true) 42 { 43 fTeamCount = systemInfo.used_teams + EXTRA; 44 SetFlags(Flags() | B_PULSE_NEEDED); 45 46 fTeamList = (team_id*)malloc(sizeof (team_id) * fTeamCount); 47 48 int k; 49 for (k = 0; k < systemInfo.used_teams; k++) { 50 fTeamList[k] = infos[k].team_info.team; 51 } 52 53 while (k < fTeamCount) { 54 fTeamList[k++] = -1; 55 } 56 57 gMemoryTextWidth = 2 * StringWidth("99999 KB") + 20; 58 59 fRecycleCount = EXTRA; 60 fRecycleList = (MRecycleItem*)malloc(sizeof(MRecycleItem) * fRecycleCount); 61 SetFont(be_plain_font); 62 AddItem(new KernelMemoryBarMenuItem(systemInfo)); 63 } 64 65 66 MemoryBarMenu::~MemoryBarMenu() 67 { 68 free(fTeamList); 69 free(fRecycleList); 70 } 71 72 73 void 74 MemoryBarMenu::Draw(BRect updateRect) 75 { 76 if (fFirstShow) { 77 Pulse(); 78 fFirstShow = false; 79 } 80 81 BMenu::Draw(updateRect); 82 } 83 84 85 void 86 MemoryBarMenu::Pulse() 87 { 88 system_info sinfo; 89 get_system_info(&sinfo); 90 int commitedMemory = int(sinfo.used_pages * B_PAGE_SIZE / 1024); 91 Window()->BeginViewTransaction(); 92 93 // create the list of items to remove, for their team is gone. Update the old teams. 94 int lastRecycle = 0; 95 int firstRecycle = 0; 96 int k; 97 MemoryBarMenuItem *item; 98 int total = 0; 99 for (k = 1; (item = (MemoryBarMenuItem*)ItemAt(k)) != NULL; k++) { 100 int m = item->UpdateSituation(commitedMemory); 101 if (m < 0) { 102 if (lastRecycle == fRecycleCount) { 103 fRecycleCount += EXTRA; 104 fRecycleList = (MRecycleItem*)realloc(fRecycleList, 105 sizeof(MRecycleItem) * fRecycleCount); 106 } 107 fRecycleList[lastRecycle].index = k; 108 fRecycleList[lastRecycle++].item = item; 109 } else { 110 if (lastRecycle > 0) { 111 RemoveItems(fRecycleList[0].index, lastRecycle, true); 112 k -= lastRecycle; 113 lastRecycle = 0; 114 } 115 total += m; 116 } 117 } 118 119 // Look new teams that have appeared. Create an item for them, or recycle from the list. 120 int32 cookie = 0; 121 info_pack infos; 122 item = NULL; 123 while (get_next_team_info(&cookie, &infos.team_info) == B_OK) { 124 int j = 0; 125 while (j < fTeamCount && infos.team_info.team != fTeamList[j]) { 126 j++; 127 } 128 129 if (infos.team_info.team != fTeamList[j]) { 130 // new team 131 team_info info; 132 j = 0; 133 while (j < fTeamCount && fTeamList[j] != -1) { 134 if (get_team_info(fTeamList[j], &info) != B_OK) 135 fTeamList[j] = -1; 136 else 137 j++; 138 } 139 140 if (j == fTeamCount) { 141 fTeamCount += 10; 142 fTeamList = (team_id*)realloc(fTeamList, sizeof(team_id) * fTeamCount); 143 } 144 145 fTeamList[j] = infos.team_info.team; 146 if (!get_team_name_and_icon(infos, true)) { 147 // the team is already gone! 148 delete infos.team_icon; 149 fTeamList[j] = -1; 150 } else { 151 if (!item && firstRecycle < lastRecycle) 152 item = fRecycleList[firstRecycle++].item; 153 154 if (item) 155 item->Reset(infos.team_name, infos.team_info.team, infos.team_icon, true); 156 else { 157 AddItem(item = new MemoryBarMenuItem(infos.team_name, 158 infos.team_info.team, infos.team_icon, true, NULL)); 159 } 160 161 int m = item->UpdateSituation(commitedMemory); 162 if (m >= 0) { 163 total += m; 164 item = NULL; 165 } else 166 fTeamList[j] = -1; 167 } 168 } 169 } 170 171 if (item) { 172 RemoveItem(item); 173 delete item; 174 } 175 176 // Delete the items that haven't been recycled. 177 if (firstRecycle < lastRecycle) { 178 RemoveItems(IndexOf(fRecycleList[firstRecycle].item), 179 lastRecycle - firstRecycle, true); 180 } 181 182 fLastTotalTime = system_time(); 183 KernelMemoryBarMenuItem *kernelItem; 184 if ((kernelItem = (KernelMemoryBarMenuItem*)ItemAt(0)) != NULL) 185 kernelItem->UpdateSituation(commitedMemory, total); 186 187 Window()->EndViewTransaction(); 188 Window()->Flush(); 189 } 190