src/preferences/notifications/GeneralView.cpp

   1 /*
   2  * Copyright 2010-2013, Haiku, Inc. All Rights Reserved.
   3  * Copyright 2009, Pier Luigi Fiorini.
   4  * Distributed under the terms of the MIT License.
   5  *
   6  * Authors:
   7  *              Pier Luigi Fiorini, pierluigi.fiorini@gmail.com
   8  */
   9
  10 #include <stdio.h>
  11 #include <stdlib.h>
  12
  13 #include <vector>
  14
  15 #include <Roster.h>
  16 #include <GroupLayout.h>
  17 #include <GroupLayoutBuilder.h>
  18 #include <Alert.h>
  19 #include <Font.h>
  20 #include <Button.h>
  21 #include <Catalog.h>
  22 #include <StringView.h>
  23 #include <TextControl.h>
  24 #include <CheckBox.h>
  25 #include <String.h>
  26 #include <FindDirectory.h>
  27 #include <Node.h>
  28 #include <notification/Notifications.h>
  29 #include <Path.h>
  30 #include <File.h>
  31 #include <Directory.h>
  32 #include <VolumeRoster.h>
  33 #include <Volume.h>
  34 #include <Query.h>
  35 #include <SymLink.h>
  36
  37 #include "GeneralView.h"
  38 #include "SettingsHost.h"
  39
  40 #undef B_TRANSLATION_CONTEXT
  41 #define B_TRANSLATION_CONTEXT "GeneralView"
  42 const int32 kToggleNotifications = '_TSR';
  43
  44 GeneralView::GeneralView(SettingsHost* host)
  45         :
  46         SettingsPane("general", host)
  47 {
  48         // Notifications
  49         fNotificationBox = new BCheckBox("server",
  50                 B_TRANSLATE("Enable notifications"),
  51                 new BMessage(kToggleNotifications));
  52
  53         // Autostart
  54         fAutoStart = new BCheckBox("autostart",
  55                 B_TRANSLATE("Enable notifications at startup"),
  56                 new BMessage(kSettingChanged));
  57
  58         // Display time
  59         fTimeout = new BTextControl(B_TRANSLATE("Hide notifications from screen"
  60                 " after"), NULL, new BMessage(kSettingChanged));
  61         BStringView* displayTimeLabel = new BStringView("dt_label",
  62                 B_TRANSLATE("seconds of inactivity"));
  63
  64         // Default position
  65         // TODO: Here will come a screen representation with the four corners
  66         // clickable
  67
  68         // Calculate inset
  69         float inset = ceilf(be_plain_font->Size() * 0.7f);
  70
  71         SetLayout(new BGroupLayout(B_VERTICAL));
  72         AddChild(BGroupLayoutBuilder(B_VERTICAL, inset)
  73                 .AddGroup(B_HORIZONTAL, inset)
  74                         .Add(fNotificationBox)
  75                         .AddGlue()
  76                 .End()
  77
  78                 .AddGroup(B_VERTICAL, inset)
  79                         .Add(fAutoStart)
  80                         .AddGroup(B_HORIZONTAL)
  81                                 .AddGroup(B_HORIZONTAL, 2)
  82                                         .Add(fTimeout)
  83                                         .Add(displayTimeLabel)
  84                                 .End()
  85                         .End()
  86                 .End()
  87                 .SetInsets(inset, inset, inset, inset)
  88                 .AddGlue()
  89         );
  90 }
  91
  92
  93 void
  94 GeneralView::AttachedToWindow()
  95 {
  96         fNotificationBox->SetTarget(this);
  97         fAutoStart->SetTarget(this);
  98         fTimeout->SetTarget(this);
  99 }
 100
 101
 102 void
 103 GeneralView::MessageReceived(BMessage* msg)
 104 {
 105         switch (msg->what) {
 106                 case kToggleNotifications:
 107                 {
 108                         entry_ref ref;
 109
 110                         // Check if server is available
 111                         if (!_CanFindServer(&ref)) {
 112                                 BAlert* alert = new BAlert(B_TRANSLATE("Notifications"),
 113                                         B_TRANSLATE("The notifications server cannot be"
 114                                         " found, this means your InfoPopper installation was"
 115                                         " not successfully completed."), B_TRANSLATE("OK"),
 116                                         NULL, NULL, B_WIDTH_AS_USUAL, B_STOP_ALERT);
 117                                 alert->SetFlags(alert->Flags() | B_CLOSE_ON_ESCAPE);
 118                                 (void)alert->Go();
 119                                 return;
 120                         }
 121
 122                         if (fNotificationBox->Value() == B_CONTROL_OFF) {
 123                                 // Server team
 124                                 team_id team = be_roster->TeamFor(kNotificationServerSignature);
 125
 126                                 // Establish a connection to infopopper_server
 127                                 status_t ret = B_ERROR;
 128                                 BMessenger messenger(kNotificationServerSignature, team, &ret);
 129                                 if (ret != B_OK) {
 130                                         BAlert* alert = new BAlert(B_TRANSLATE(
 131                                                 "Notifications"), B_TRANSLATE("Notifications "
 132                                                 "cannot be stopped, because the server can't be"
 133                                                 " reached."), B_TRANSLATE("OK"), NULL, NULL,
 134                                                 B_WIDTH_AS_USUAL, B_STOP_ALERT);
 135                                         alert->SetFlags(alert->Flags() | B_CLOSE_ON_ESCAPE);
 136                                         (void)alert->Go();
 137                                         return;
 138                                 }
 139
 140                                 // Send quit message
 141                                 if (messenger.SendMessage(B_QUIT_REQUESTED) != B_OK) {
 142                                         BAlert* alert = new BAlert(B_TRANSLATE(
 143                                                 "Notifications"), B_TRANSLATE("Cannot disable"
 144                                                 " notifications because the server can't be "
 145                                                 "reached."), B_TRANSLATE("OK"),
 146                                                 NULL, NULL, B_WIDTH_AS_USUAL, B_STOP_ALERT);
 147                                         alert->SetFlags(alert->Flags() | B_CLOSE_ON_ESCAPE);
 148                                         (void)alert->Go();
 149                                         return;
 150                                 }
 151                         } else if (!_IsServerRunning()) {
 152                                 // Start server
 153                                 status_t err = be_roster->Launch(kNotificationServerSignature);
 154                                 if (err != B_OK) {
 155                                         BAlert* alert = new BAlert(B_TRANSLATE(
 156                                                 "Notifications"), B_TRANSLATE("Cannot enable"
 157                                                 " notifications because the server cannot be "
 158                                                 "found.\nThis means your InfoPopper installation"
 159                                                 " was not successfully completed."),
 160                                                 B_TRANSLATE("OK"), NULL, NULL, B_WIDTH_AS_USUAL,
 161                                                 B_STOP_ALERT);
 162                                         alert->SetFlags(alert->Flags() | B_CLOSE_ON_ESCAPE);
 163                                         (void)alert->Go();
 164                                         return;
 165                                 }
 166                         }
 167                         break;
 168                 }
 169                 case kSettingChanged:
 170                         SettingsPane::MessageReceived(msg);
 171                         break;
 172                 default:
 173                         BView::MessageReceived(msg);
 174                         break;
 175         }
 176 }
 177
 178
 179 status_t
 180 GeneralView::Load(BMessage& settings)
 181 {
 182         char buffer[255];
 183
 184         fNotificationBox->SetValue(_IsServerRunning() ? B_CONTROL_ON : B_CONTROL_OFF);
 185
 186         bool autoStart;
 187         if (settings.FindBool(kAutoStartName, &autoStart) != B_OK)
 188                 autoStart = kDefaultAutoStart;
 189         fAutoStart->SetValue(autoStart ? B_CONTROL_ON : B_CONTROL_OFF);
 190
 191         int32 timeout;
 192         if (settings.FindInt32(kTimeoutName, &timeout) != B_OK)
 193                 timeout = kDefaultTimeout;
 194         (void)sprintf(buffer, "%" B_PRId32, timeout);
 195         fTimeout->SetText(buffer);
 196
 197         return B_OK;
 198 }
 199
 200
 201 status_t
 202 GeneralView::Save(BMessage& settings)
 203 {
 204         bool autoStart = (fAutoStart->Value() == B_CONTROL_ON);
 205         settings.AddBool(kAutoStartName, autoStart);
 206
 207         int32 timeout = atol(fTimeout->Text());
 208         settings.AddInt32(kTimeoutName, timeout);
 209
 210         return B_OK;
 211 }
 212
 213
 214 status_t
 215 GeneralView::Revert()
 216 {
 217         return B_ERROR;
 218 }
 219
 220
 221 bool
 222 GeneralView::_CanFindServer(entry_ref* ref)
 223 {
 224         // Try searching with be_roster
 225         if (be_roster->FindApp(kNotificationServerSignature, ref) == B_OK)
 226                 return true;
 227
 228         // Try with a query and take the first result
 229         BVolumeRoster vroster;
 230         BVolume volume;
 231         char volName[B_FILE_NAME_LENGTH];
 232
 233         vroster.Rewind();
 234
 235         while (vroster.GetNextVolume(&volume) == B_OK) {
 236                 if ((volume.InitCheck() != B_OK) || !volume.KnowsQuery())
 237                         continue;
 238
 239                 volume.GetName(volName);
 240
 241                 BQuery *query = new BQuery();
 242                 query->SetPredicate("(BEOS:APP_SIG==\"" kNotificationServerSignature
 243                         "\")");
 244                 query->SetVolume(&volume);
 245                 query->Fetch();
 246
 247                 if (query->GetNextRef(ref) == B_OK)
 248                         return true;
 249         }
 250
 251         return false;
 252 }
 253
 254
 255 bool
 256 GeneralView::_IsServerRunning()
 257 {
 258         return be_roster->IsRunning(kNotificationServerSignature);
 259 }