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 41#include "DesktopPoseView.h" 42 43#include <NodeMonitor.h> 44#include <Path.h> 45#include <Volume.h> 46#include <VolumeRoster.h> 47 48#include "Commands.h" 49#include "FSUtils.h" 50#include "PoseList.h" 51#include "Tracker.h" 52#include "TrackerSettings.h" 53#include "TrackerString.h" 54 55 56// #pragma mark - DesktopPoseView 57 58 59DesktopPoseView::DesktopPoseView(Model* model, uint32 viewMode) 60 : 61 BPoseView(model, viewMode) 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.IsVirtualDirectory()); 82 ASSERT(sourceModel.Node() != NULL); 83 84 BDirectory* sourceDirectory = dynamic_cast<BDirectory*>(sourceModel.Node()); 85 ThrowOnAssert(sourceDirectory != NULL); 86 87 // build an iterator list, start with boot 88 EntryListBase* perDesktopIterator 89 = new CachedDirectoryEntryList(*sourceDirectory); 90 91 result->AddItem(perDesktopIterator); 92 if (nodeMonitoringTarget != NULL) { 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 != NULL) 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); 192 193 UnlockLooper(); 194 } 195} 196 197 198void 199DesktopPoseView::StartSettingsWatch() 200{ 201 if (be_app->LockLooper()) { 202 be_app->StartWatching(this, kShowDisksIconChanged); 203 be_app->StartWatching(this, kVolumesOnDesktopChanged); 204 be_app->StartWatching(this, kDesktopIntegrationChanged); 205 be_app->UnlockLooper(); 206 } 207} 208 209 210void 211DesktopPoseView::StopSettingsWatch() 212{ 213 if (be_app->LockLooper()) { 214 be_app->StopWatching(this, kShowDisksIconChanged); 215 be_app->StopWatching(this, kVolumesOnDesktopChanged); 216 be_app->StopWatching(this, kDesktopIntegrationChanged); 217 be_app->UnlockLooper(); 218 } 219} 220 221 222void 223DesktopPoseView::AdaptToVolumeChange(BMessage* message) 224{ 225 TTracker* tracker = dynamic_cast<TTracker*>(be_app); 226 ThrowOnAssert(tracker != NULL); 227 228 bool showDisksIcon = false; 229 bool mountVolumesOnDesktop = true; 230 bool mountSharedVolumesOntoDesktop = false; 231 232 message->FindBool("ShowDisksIcon", &showDisksIcon); 233 message->FindBool("MountVolumesOntoDesktop", &mountVolumesOnDesktop); 234 message->FindBool("MountSharedVolumesOntoDesktop", 235 &mountSharedVolumesOntoDesktop); 236 237 BEntry entry("/"); 238 Model model(&entry); 239 if (model.InitCheck() == B_OK) { 240 BMessage entryMessage; 241 entryMessage.what = B_NODE_MONITOR; 242 243 if (showDisksIcon) 244 entryMessage.AddInt32("opcode", B_ENTRY_CREATED); 245 else { 246 entryMessage.AddInt32("opcode", B_ENTRY_REMOVED); 247 entry_ref ref; 248 if (entry.GetRef(&ref) == B_OK) { 249 BContainerWindow* disksWindow 250 = tracker->FindContainerWindow(&ref); 251 if (disksWindow != NULL) { 252 disksWindow->Lock(); 253 disksWindow->Close(); 254 } 255 } 256 } 257 entryMessage.AddInt32("device", model.NodeRef()->device); 258 entryMessage.AddInt64("node", model.NodeRef()->node); 259 entryMessage.AddInt64("directory", model.EntryRef()->directory); 260 entryMessage.AddString("name", model.EntryRef()->name); 261 BContainerWindow* deskWindow 262 = dynamic_cast<BContainerWindow*>(Window()); 263 if (deskWindow != NULL) 264 deskWindow->PostMessage(&entryMessage, deskWindow->PoseView()); 265 } 266 267 ShowVolumes(mountVolumesOnDesktop, mountSharedVolumesOntoDesktop); 268} 269 270 271void 272DesktopPoseView::AdaptToDesktopIntegrationChange(BMessage* message) 273{ 274 bool mountVolumesOnDesktop = true; 275 bool mountSharedVolumesOntoDesktop = true; 276 277 message->FindBool("MountVolumesOntoDesktop", &mountVolumesOnDesktop); 278 message->FindBool("MountSharedVolumesOntoDesktop", 279 &mountSharedVolumesOntoDesktop); 280 281 ShowVolumes(false, mountSharedVolumesOntoDesktop); 282 ShowVolumes(mountVolumesOnDesktop, mountSharedVolumesOntoDesktop); 283} 284