git.maemo.org Git - movie-schedule/blob - src/control/locationcontroller.cpp

   1 // Copyright 2010 Jochen Becher
   2 //
   3 // This file is part of MovieSchedule.
   4 //
   5 // MovieSchedule is free software: you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation, either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // MovieSchedule 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
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with MovieSchedule.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 #include "locationcontroller.h"
  19
  20 #include "ui/locationdialog.h"
  21 #include "searchclients/gpsclient.h"
  22 #include "data/settings.h"
  23 #include "ui/mainwindow.h"
  24
  25 static const char *MSG_LOCATION_NOT_FOUND = QT_TRANSLATE_NOOP("LocationController", "Unable to detect current city.");
  26
  27 LocationController::LocationController(MainWindow *main_window, Settings *settings) :
  28     QObject(0),
  29     _main_window(main_window),
  30     _settings(settings),
  31     _active_search_task_id(GpsClient::INVALID_SEARCH_TASK_ID)
  32 {
  33 }
  34
  35 void LocationController::OpenLocationDialog()
  36 {
  37     LocationDialog *location_dialog = new LocationDialog(_main_window);
  38     connect(location_dialog, SIGNAL(Search(Location)), this, SLOT(SearchLocationFromCityDatabase(Location)));
  39     connect(location_dialog, SIGNAL(SearchPreviousLocation(Location)), this, SLOT(SearchLocation(Location)));
  40     connect(location_dialog, SIGNAL(SearchGPS()), this, SLOT(SearchGPS()));
  41     connect(location_dialog, SIGNAL(Cancel()), this, SLOT(CancelLocation()));
  42     location_dialog->SetLocation(_settings->GetLocation());
  43     location_dialog->SetPreviousLocations(_settings->GetPreviousLocations());
  44     location_dialog->SetGPSEnabled(true || _settings->IsGPSEnabled());
  45     location_dialog->show();
  46     // location_dialog deletes itself
  47 }
  48
  49 void LocationController::CancelAllGpsSearchs()
  50 {
  51     _active_search_task_id = GpsClient::INVALID_SEARCH_TASK_ID;
  52     GpsClient::CancelAllRunningSearchs();
  53 }
  54
  55 void LocationController::SearchLocationFromCityDatabase(Location location)
  56 {
  57     // TODO check city database
  58     SearchLocation(location);
  59 }
  60
  61 void LocationController::SearchLocation(Location location)
  62 {
  63     location = CleanLocation(location);
  64     RememberLocation(location);
  65     emit Search(location);
  66 }
  67
  68 void LocationController::SearchGPS()
  69 {
  70     GpsClient *client = new GpsClient();
  71     connect(client, SIGNAL(SearchStarted(int)), this, SLOT(GpsSearchStarted(int)));
  72     connect(client, SIGNAL(PositionUpdate(int)), this, SLOT(GpsPositionUpdate(int)));
  73     connect(client, SIGNAL(SearchForTownStarted(int)), this, SLOT(GpsSearchForTownStarted(int)));
  74     connect(client, SIGNAL(TownUpdate(int,QString)), this, SLOT(GpsTownUpdate(int,QString)));
  75     connect(client, SIGNAL(SearchError(int)), this, SLOT(GpsSearchError(int)));
  76     connect(client, SIGNAL(SearchFinished(int,bool)), this, SLOT(GpsSearchFinished(int,bool)));
  77     _active_search_task_id = client->GetSearchTaskId();
  78     client->SearchLocation();
  79     // gps client deletes itself
  80 }
  81
  82 void LocationController::CancelLocation()
  83 {
  84     // nothing to do
  85 }
  86
  87 Location LocationController::CleanLocation(const Location &location)
  88 {
  89     // TODO clash with city database?
  90     QString name = location.GetLocationName().trimmed();
  91     if (name.size() > 0) {
  92         if (name[0].isLower()) {
  93             name[0] = name[0].toUpper();
  94         }
  95     }
  96     Location cleaned_location;
  97     cleaned_location.SetLocationName(name);
  98     return cleaned_location;
  99 }
 100
 101 void LocationController::RememberLocation(const Location &location)
 102 {
 103     if (!location.IsValid()) {
 104         return;
 105     }
 106     Settings::Locations locations = _settings->GetPreviousLocations();
 107     QMutableListIterator<Location> it(locations);
 108     while (it.hasNext()) {
 109         const Location &prev_location = it.next();
 110         if (prev_location == location) {
 111             it.remove();
 112         }
 113     }
 114     locations.push_front(location);
 115     while (locations.size() > 5) {
 116         locations.pop_back();
 117     }
 118     _settings->SetPreviousLocations(locations);
 119 }
 120
 121 void LocationController::GpsSearchStarted(int search_task_id)
 122 {
 123     if (_active_search_task_id != search_task_id) {
 124         return;
 125     }
 126     _main_window->SetBusy(true);
 127 }
 128
 129 void LocationController::GpsPositionUpdate(int search_task_id)
 130 {
 131     if (_active_search_task_id != search_task_id) {
 132         return;
 133     }
 134 }
 135
 136 void LocationController::GpsSearchForTownStarted(int search_task_id)
 137 {
 138     if (_active_search_task_id != search_task_id) {
 139         return;
 140     }
 141 }
 142
 143 void LocationController::GpsTownUpdate(int search_task_id, QString town)
 144 {
 145     if (_active_search_task_id != search_task_id) {
 146         return;
 147     }
 148     Location location;
 149     location.SetLocationName(town);
 150     SearchLocation(location);
 151 }
 152
 153 void LocationController::GpsSearchError(int search_task_id)
 154 {
 155     if (_active_search_task_id != search_task_id) {
 156         return;
 157     }
 158     _main_window->SetError(tr(MSG_LOCATION_NOT_FOUND));
 159 }
 160
 161 void LocationController::GpsSearchFinished(int search_task_id, bool success)
 162 {
 163     if (_active_search_task_id != search_task_id) {
 164         return;
 165     }
 166     // In case of success SearchLocation() is started which will
 167     // unset busy state on its end
 168     if (!success) {
 169         _main_window->SetBusy(false);
 170     }
 171 }