1/* 2Open Tracker License 3 4Terms and Conditions 5 6Copyright (c) 1991-2000, Be Incorporated. All rights reserved. 7 8Permission is hereby granted, free of charge, to any person obtaining a copy of 9this software and associated documentation files (the "Software"), to deal in 10the Software without restriction, including without limitation the rights to 11use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 12of the Software, and to permit persons to whom the Software is furnished to do 13so, subject to the following conditions: 14 15The above copyright notice and this permission notice applies to all licensees 16and shall be included in all copies or substantial portions of the Software. 17 18THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY, 20FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 21BE INCORPORATED BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 22AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION 23WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 25Except as contained in this notice, the name of Be Incorporated shall not be 26used in advertising or otherwise to promote the sale, use or other dealings in 27this Software without prior written authorization from Be Incorporated. 28 29Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered trademarks 30of Be Incorporated in the United States and other countries. Other brand product 31names are registered trademarks or trademarks of their respective holders. 32All rights reserved. 33*/ 34 35// DesktopPoseView adds support for displaying integrated desktops 36// from multiple volumes to BPoseView 37// 38// Used by the Desktop window and by the root view in file panels 39 40#include "DesktopPoseView.h" 41 42#include <NodeMonitor.h> 43#include <Path.h> 44#include <Volume.h> 45#include <VolumeRoster.h> 46 47#include "Commands.h" 48#include "FSUtils.h" 49#include "PoseList.h" 50#include "Tracker.h" 51#include "TrackerSettings.h" 52#include "TrackerString.h" 53 54 55// #pragma mark - 56 57 58DesktopPoseView::DesktopPoseView(Model* model, BRect frame, uint32 viewMode, 59 uint32 resizeMask) 60 : 61 BPoseView(model, frame, viewMode, resizeMask) 62{ 63 SetFlags(Flags() | B_DRAW_ON_CHILDREN); 64} 65 66 67EntryListBase* 68DesktopPoseView::InitDesktopDirentIterator(BPoseView* nodeMonitoringTarget, 69 const entry_ref* ref) 70{ 71 // the desktop dirent iterator knows how to iterate over all the volumes, 72 // integrated onto the desktop 73 74 Model sourceModel(ref, false, true); 75 if (sourceModel.InitCheck() != B_OK) 76 return NULL; 77 78 CachedEntryIteratorList* result = new CachedEntryIteratorList(); 79 80 ASSERT(!sourceModel.IsQuery()); 81 ASSERT(sourceModel.Node()); 82 BDirectory* sourceDirectory 83 = dynamic_cast<BDirectory*>(sourceModel.Node()); 84 85 ASSERT(sourceDirectory); 86 87 // build an iterator list, start with boot 88 EntryListBase* perDesktopIterator 89 = new CachedDirectoryEntryList(*sourceDirectory); 90 91 result->AddItem(perDesktopIterator); 92 if (nodeMonitoringTarget) { 93 TTracker::WatchNode(sourceModel.NodeRef(), 94 B_WATCH_DIRECTORY | B_WATCH_NAME | B_WATCH_STAT | B_WATCH_ATTR, 95 nodeMonitoringTarget); 96 } 97 98 if (result->Rewind() != B_OK) { 99 delete result; 100 if (nodeMonitoringTarget) 101 nodeMonitoringTarget->HideBarberPole(); 102 103 return NULL; 104 } 105 106 return result; 107} 108 109 110EntryListBase* 111DesktopPoseView::InitDirentIterator(const entry_ref* ref) 112{ 113 return InitDesktopDirentIterator(this, ref); 114} 115 116 117bool 118DesktopPoseView::FSNotification(const BMessage* message) 119{ 120 switch (message->FindInt32("opcode")) { 121 case B_DEVICE_MOUNTED: 122 { 123 dev_t device; 124 if (message->FindInt32("new device", &device) != B_OK) 125 break; 126 127 ASSERT(TargetModel()); 128 TrackerSettings settings; 129 130 BVolume volume(device); 131 if (volume.InitCheck() != B_OK) 132 break; 133 134 if (settings.MountVolumesOntoDesktop() 135 && (!volume.IsShared() 136 || settings.MountSharedVolumesOntoDesktop())) { 137 // place an icon for the volume onto the desktop 138 CreateVolumePose(&volume, true); 139 } 140 } 141 break; 142 } 143 144 return _inherited::FSNotification(message); 145} 146 147 148bool 149DesktopPoseView::AddPosesThreadValid(const entry_ref*) const 150{ 151 return true; 152} 153 154 155void 156DesktopPoseView::AddPosesCompleted() 157{ 158 _inherited::AddPosesCompleted(); 159 CreateTrashPose(); 160} 161 162 163bool 164DesktopPoseView::Represents(const node_ref* ref) const 165{ 166 // When the Tracker is set up to integrate non-boot beos volumes, 167 // it represents the home/Desktop folders of all beos volumes 168 169 return _inherited::Represents(ref); 170} 171 172 173bool 174DesktopPoseView::Represents(const entry_ref* ref) const 175{ 176 BEntry entry(ref); 177 node_ref nref; 178 entry.GetNodeRef(&nref); 179 return Represents(&nref); 180} 181 182 183void 184DesktopPoseView::ShowVolumes(bool visible, bool showShared) 185{ 186 if (LockLooper()) { 187 SavePoseLocations(); 188 if (!visible) 189 RemoveRootPoses(); 190 else 191 AddRootPoses(true, showShared); 192 UnlockLooper(); 193 } 194} 195 196 197void 198DesktopPoseView::StartSettingsWatch() 199{ 200 be_app->LockLooper(); 201 be_app->StartWatching(this, kShowDisksIconChanged); 202 be_app->StartWatching(this, kVolumesOnDesktopChanged); 203 be_app->StartWatching(this, kDesktopIntegrationChanged); 204 be_app->UnlockLooper(); 205} 206 207 208void 209DesktopPoseView::StopSettingsWatch() 210{ 211 be_app->LockLooper(); 212 be_app->StopWatching(this, kShowDisksIconChanged); 213 be_app->StopWatching(this, kVolumesOnDesktopChanged); 214 be_app->StopWatching(this, kDesktopIntegrationChanged); 215 be_app->UnlockLooper(); 216} 217 218 219void 220DesktopPoseView::AdaptToVolumeChange(BMessage* message) 221{ 222 TTracker* tracker = dynamic_cast<TTracker*>(be_app); 223 if (!tracker) 224 return; 225 226 bool showDisksIcon = false; 227 bool mountVolumesOnDesktop = true; 228 bool mountSharedVolumesOntoDesktop = false; 229 230 message->FindBool("ShowDisksIcon", &showDisksIcon); 231 message->FindBool("MountVolumesOntoDesktop", &mountVolumesOnDesktop); 232 message->FindBool("MountSharedVolumesOntoDesktop", 233 &mountSharedVolumesOntoDesktop); 234 235 BEntry entry("/"); 236 Model model(&entry); 237 if (model.InitCheck() == B_OK) { 238 BMessage entryMessage; 239 entryMessage.what = B_NODE_MONITOR; 240 241 if (showDisksIcon) 242 entryMessage.AddInt32("opcode", B_ENTRY_CREATED); 243 else { 244 entryMessage.AddInt32("opcode", B_ENTRY_REMOVED); 245 entry_ref ref; 246 if (entry.GetRef(&ref) == B_OK) { 247 BContainerWindow* disksWindow 248 = tracker->FindContainerWindow(&ref); 249 if (disksWindow) { 250 disksWindow->Lock(); 251 disksWindow->Close(); 252 } 253 } 254 } 255 entryMessage.AddInt32("device", model.NodeRef()->device); 256 entryMessage.AddInt64("node", model.NodeRef()->node); 257 entryMessage.AddInt64("directory", model.EntryRef()->directory); 258 entryMessage.AddString("name", model.EntryRef()->name); 259 BContainerWindow* deskWindow 260 = dynamic_cast<BContainerWindow*>(Window()); 261 if (deskWindow) 262 deskWindow->PostMessage(&entryMessage, deskWindow->PoseView()); 263 } 264 265 ShowVolumes(mountVolumesOnDesktop, mountSharedVolumesOntoDesktop); 266} 267 268 269void 270DesktopPoseView::AdaptToDesktopIntegrationChange(BMessage* message) 271{ 272 bool mountVolumesOnDesktop = true; 273 bool mountSharedVolumesOntoDesktop = true; 274 275 message->FindBool("MountVolumesOntoDesktop", &mountVolumesOnDesktop); 276 message->FindBool("MountSharedVolumesOntoDesktop", 277 &mountSharedVolumesOntoDesktop); 278 279 ShowVolumes(false, mountSharedVolumesOntoDesktop); 280 ShowVolumes(mountVolumesOnDesktop, mountSharedVolumesOntoDesktop); 281} 282