Be more tolerant to book removals. Document Settings class. Fix BookFinder.
[dorian] / mainwindow.cpp
1 #include <QtGui>
2 #include <QtDebug>
3 #include <QDir>
4 #include <QApplication>
5 #include <QFileInfo>
6 #include <QStringList>
7
8 #ifdef Q_WS_MAEMO_5
9 #   include <QtMaemo5/QMaemo5InformationBox>
10 #   include <QtDBus>
11 #   include <mce/mode-names.h>
12 #   include <mce/dbus-names.h>
13 #endif // Q_WS_MAEMO_5
14
15 #include "bookview.h"
16 #include "book.h"
17 #include "library.h"
18 #include "infodialog.h"
19 #include "librarydialog.h"
20 #include "devtools.h"
21 #include "mainwindow.h"
22 #include "settingswindow.h"
23 #include "bookmarksdialog.h"
24 #include "settings.h"
25 #include "chaptersdialog.h"
26 #include "fullscreenwindow.h"
27 #include "trace.h"
28 #include "bookfinder.h"
29
30 #ifdef DORIAN_TEST_MODEL
31 #include "modeltest.h"
32 #endif
33
34 #ifdef Q_WS_MAC
35 #   define ICON_PREFIX ":/icons/mac/"
36 #else
37 #   define ICON_PREFIX ":/icons/"
38 #endif
39
40 MainWindow::MainWindow(QWidget *parent):
41     QMainWindow(parent), view(0), preventBlankingTimer(-1)
42 {
43     Trace t("MainWindow::MainWindow");
44 #ifdef Q_WS_MAEMO_5
45     setAttribute(Qt::WA_Maemo5StackedWindow, true);
46 #endif
47     setWindowTitle("Dorian");
48
49     // Central widget. Must be an intermediate, because the book view widget
50     // can be re-parented later
51     QFrame *central = new QFrame(this);
52     QVBoxLayout *layout = new QVBoxLayout(central);
53     layout->setMargin(0);
54     central->setLayout(layout);
55     setCentralWidget(central);
56
57     // Book view
58     view = new BookView(central);
59     view->show();
60     layout->addWidget(view);
61
62     // Tool bar
63     setUnifiedTitleAndToolBarOnMac(true);
64     settings = new QDialog(this);
65     toolBar = addToolBar("controls");
66     toolBar->setMovable(false);
67     toolBar->setFloatable(false);
68     toolBar->toggleViewAction()->setVisible(false);
69 #if defined(Q_WS_X11) && !defined(Q_WS_MAEMO_5)
70     toolBar->setIconSize(QSize(42, 42));
71 #endif
72
73     previousAction = addToolBarAction(view, SLOT(goPrevious()), "previous");
74     nextAction = addToolBarAction(view, SLOT(goNext()), "next");
75     chaptersAction = addToolBarAction(this, SLOT(showChapters()), "chapters");
76     bookmarksAction = addToolBarAction(this, SLOT(showBookmarks()), "bookmarks");
77
78 #ifdef Q_WS_MAEMO_5
79     infoAction = menuBar()->addAction(tr("Book details"));
80     connect(infoAction, SIGNAL(triggered()), this, SLOT(showInfo()));
81     libraryAction = menuBar()->addAction(tr("Library"));
82     connect(libraryAction, SIGNAL(triggered()), this, SLOT(showLibrary()));
83     settingsAction = menuBar()->addAction(tr("Settings"));
84     connect(settingsAction, SIGNAL(triggered()), this, SLOT(showSettings()));
85     devToolsAction = menuBar()->addAction(tr("Developer"));
86     connect(devToolsAction, SIGNAL(triggered()), this, SLOT(showDevTools()));
87 #else
88     infoAction = addToolBarAction(this, SLOT(showInfo()), "document-properties");
89     libraryAction = addToolBarAction(this, SLOT(showLibrary()),
90                                      "system-file-manager");
91     settingsAction = addToolBarAction(this, SLOT(showSettings()),
92                                       "preferences-system");
93     devToolsAction = addToolBarAction(this, SLOT(showDevTools()), "developer");
94 #endif // Q_WS_MAEMO_5
95
96     QFrame *frame = new QFrame(toolBar);
97     frame->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
98     toolBar->addWidget(frame);
99
100     fullScreenAction = addToolBarAction(this, SLOT(showBig()), "view-fullscreen");
101
102     // Handle model changes
103     connect(Library::instance(), SIGNAL(nowReadingChanged()),
104             this, SLOT(onCurrentBookChanged()));
105
106     // Load book on command line, or load last read book, or load default book
107     Library *library = Library::instance();
108     if (QCoreApplication::arguments().size() == 2) {
109         QString path = QCoreApplication::arguments()[1];
110         library->add(path);
111         QModelIndex index = library->find(path);
112         if (index.isValid()) {
113             library->setNowReading(index);
114         }
115     }
116     else {
117         QModelIndex index = library->nowReading();
118         if (index.isValid()) {
119             library->setNowReading(index);
120         }
121         else {
122             if (!library->rowCount()) {
123                 library->add(":/books/2 B R 0 2 B.epub");
124             }
125             library->setNowReading(library->index(0));
126         }
127     }
128
129     // Handle settings changes
130     Settings *settings = Settings::instance();
131     connect(settings, SIGNAL(valueChanged(const QString &)),
132             this, SLOT(onSettingsChanged(const QString &)));
133     settings->setValue("orientation", settings->value("orientation"));
134     settings->setValue("lightson", settings->value("lightson"));
135
136     // Handle loading chapters
137     connect(view, SIGNAL(chapterLoadStart(int)),
138             this, SLOT(onChapterLoadStart()));
139     connect(view, SIGNAL(chapterLoadEnd(int)),
140             this, SLOT(onChapterLoadEnd(int)));
141
142     // Shadow window for full screen
143     fullScreenWindow = new FullScreenWindow(this);
144     connect(fullScreenWindow, SIGNAL(restore()), this, SLOT(showRegular()));
145
146     // Create thread for finding books in directories
147     bookFinder = new BookFinder();
148     connect(bookFinder, SIGNAL(add(const QString &)),
149             library, SLOT(add(const QString &)));
150     connect(bookFinder, SIGNAL(remove(const QString &)),
151             library, SLOT(remove(const QString &)));
152     bookFinder->moveToThread(&bookFinderThread);
153     bookFinderThread.start();
154
155 #if 0
156     bool ret = QMetaObject::invokeMethod(
157         bookFinder,
158         "find",
159         Q_ARG(QStringList, QStringList(QString("/Users/polster/Books"))),
160         Q_ARG(QStringList, library->bookPaths()));
161     t.trace(QString("Invoking BookFinder::find ") + (ret?"succeeded":"failed"));
162 #endif
163
164 #ifdef DORIAN_TEST_MODEL
165     (void)new ModelTest(Library::instance(), this);
166 #endif
167 }
168
169 MainWindow::~MainWindow()
170 {
171     bookFinderThread.quit();
172     bookFinderThread.wait();
173     delete bookFinder;
174 }
175
176 void MainWindow::onCurrentBookChanged()
177 {
178     setCurrentBook(Library::instance()->nowReading());
179 }
180
181 void MainWindow::showRegular()
182 {
183     Trace t("MainWindow::showRegular");
184     fullScreenWindow->hide();
185     fullScreenWindow->leaveChild();
186     view->setParent(centralWidget());
187     centralWidget()->layout()->addWidget(view);
188 }
189
190 void MainWindow::showBig()
191 {
192     Trace t("MainWindow::showBig");
193     centralWidget()->layout()->removeWidget(view);
194     fullScreenWindow->takeChild(view);
195     fullScreenWindow->showFullScreen();
196 }
197
198 void MainWindow::setCurrentBook(const QModelIndex &current)
199 {
200     mCurrent = current;
201     Book *book = Library::instance()->book(current);
202     view->setBook(book);
203     setWindowTitle(book? book->shortName(): tr("Dorian"));
204 }
205
206 QAction *MainWindow::addToolBarAction(const QObject *receiver,
207                                       const char *member,
208                                       const QString &name)
209 {
210     return toolBar->
211         addAction(QIcon(ICON_PREFIX + name + ".png"), "", receiver, member);
212 }
213
214 void MainWindow::showLibrary()
215 {
216     LibraryDialog *dialog = new LibraryDialog(this);
217     dialog->show();
218 }
219
220 void MainWindow::showSettings()
221 {
222     SettingsWindow *settings = new SettingsWindow(this);
223     settings->show();
224 }
225
226 void MainWindow::showInfo()
227 {
228     if (mCurrent.isValid()) {
229         InfoDialog *info =
230             new InfoDialog(Library::instance()->book(mCurrent), this);
231         info->exec();
232     }
233 }
234
235 void MainWindow::showDevTools()
236 {
237     DevTools *devTools = new DevTools();
238     devTools->exec();
239 }
240
241 void MainWindow::showBookmarks()
242 {
243     Book *book = Library::instance()->book(mCurrent);
244     if (book) {
245         BookmarksDialog *bookmarks = new BookmarksDialog(book, this);
246         bookmarks->setWindowModality(Qt::WindowModal);
247         connect(bookmarks, SIGNAL(addBookmark()), this, SLOT(onAddBookmark()));
248         connect(bookmarks, SIGNAL(goToBookmark(int)),
249                 this, SLOT(onGoToBookmark(int)));
250         bookmarks->show();
251     }
252 }
253
254 void MainWindow::closeEvent(QCloseEvent *event)
255 {
256     Trace t("MainWindow::closeEvent");
257     view->setLastBookmark();
258     event->accept();
259 }
260
261 void MainWindow::onSettingsChanged(const QString &key)
262 {
263 #ifdef Q_WS_MAEMO_5
264     if (key == "orientation") {
265         QString value = Settings::instance()->value(key).toString();
266         Trace::trace(QString("MainWindow::onSettingsChanged: orientation %1").
267                      arg(value));
268         if (value == "portrait") {
269             setAttribute(Qt::WA_Maemo5LandscapeOrientation, false);
270             setAttribute(Qt::WA_Maemo5PortraitOrientation, true);
271         }
272         else {
273             setAttribute(Qt::WA_Maemo5PortraitOrientation, false);
274             setAttribute(Qt::WA_Maemo5LandscapeOrientation, true);
275         }
276     } else if (key == "lightson") {
277         bool enable = Settings::instance()->value(key, false).toBool();
278         Trace::trace(QString("MainWindow::onSettingsChanged: lightson: %1").
279                      arg(enable));
280         killTimer(preventBlankingTimer);
281         if (enable) {
282             preventBlankingTimer = startTimer(29 * 1000);
283         }
284     }
285 #else
286     Q_UNUSED(key);
287 #endif // Q_WS_MAEMO_5
288 }
289
290 void MainWindow::onChapterLoadStart()
291 {
292     Trace t("MainWindow::onChapterLoadStart");
293 #ifdef Q_WS_MAEMO_5
294     setAttribute(Qt::WA_Maemo5ShowProgressIndicator, true);
295 #endif
296 }
297
298 void MainWindow::onChapterLoadEnd(int index)
299 {
300     Trace t("MainWindow::onChapterLoadEnd");
301     bool enablePrevious = false;
302     bool enableNext = false;
303     Book *book = Library::instance()->book(mCurrent);
304     if (book) {
305         if (index > 0) {
306             enablePrevious = true;
307         }
308         if (index < (book->toc.size() - 1)) {
309             enableNext = true;
310         }
311     }
312 #ifdef Q_WS_MAEMO_5
313     setAttribute(Qt::WA_Maemo5ShowProgressIndicator, false);
314     previousAction->setIcon(QIcon(enablePrevious?
315         ":/icons/previous.png" : ":/icons/previous-disabled.png"));
316     nextAction->setIcon(QIcon(enableNext?
317         ":/icons/next.png": ":/icons/next-disabled.png"));
318 #endif // Q_WS_MAEMO_5
319     previousAction->setEnabled(enablePrevious);
320     nextAction->setEnabled(enableNext);
321 }
322
323 void MainWindow::onAddBookmark()
324 {
325     Trace t("MainWindow:onAddBookmark");
326     view->addBookmark();
327 }
328
329 void MainWindow::onGoToBookmark(int index)
330 {
331     Trace t("MainWindow::onGoToBookmark");
332     Book *book = Library::instance()->book(mCurrent);
333     view->goToBookmark(book->bookmarks()[index]);
334 }
335
336 void MainWindow::showChapters()
337 {
338     Book *book = Library::instance()->book(mCurrent);
339     if (book) {
340         ChaptersDialog *chapters = new ChaptersDialog(book, this);
341         chapters->setWindowModality(Qt::WindowModal);
342         connect(chapters, SIGNAL(goToChapter(int)),
343                 this, SLOT(onGoToChapter(int)));
344         chapters->show();
345     }
346 }
347
348 void MainWindow::onGoToChapter(int index)
349 {
350     view->goToBookmark(Book::Bookmark(index, 0));
351 }
352
353 void MainWindow::timerEvent(QTimerEvent *event)
354 {
355     if (event->timerId() == preventBlankingTimer) {
356 #ifdef Q_WS_MAEMO_5
357         QDBusInterface mce(MCE_SERVICE, MCE_REQUEST_PATH,
358                            MCE_REQUEST_IF, QDBusConnection::systemBus());
359         mce.call(MCE_PREVENT_BLANK_REQ);
360 #endif // Q_WS_MAEMO_5
361         Trace::trace("MainWindow::timerEvent: Prevent display blanking");
362     }
363 }