Clean up event handling.
[dorian] / mainwindow.cpp
1 #include <QtGui>
2 #include <QEvent>
3
4 #ifdef Q_WS_MAEMO_5
5 #   include <QtDBus>
6 #   include <QtGui/QX11Info>
7 #   include <X11/Xlib.h>
8 #   include <X11/Xatom.h>
9 #   include <mce/mode-names.h>
10 #   include <mce/dbus-names.h>
11 #endif // Q_WS_MAEMO_5
12
13 #include "bookview.h"
14 #include "book.h"
15 #include "library.h"
16 #include "infodialog.h"
17 #include "librarydialog.h"
18 #include "devtools.h"
19 #include "mainwindow.h"
20 #include "settingswindow.h"
21 #include "bookmarksdialog.h"
22 #include "settings.h"
23 #include "chaptersdialog.h"
24 #include "fullscreenwindow.h"
25 #include "trace.h"
26 #include "bookfinder.h"
27 #include "progress.h"
28 #include "dyalog.h"
29 #include "translucentbutton.h"
30 #include "platform.h"
31 #include "progressdialog.h"
32 #include "sortedlibrary.h"
33
34 #ifdef DORIAN_TEST_MODEL
35 #   include "modeltest.h"
36 #endif
37
38 MainWindow::MainWindow(QWidget *parent):
39     AdopterWindow(parent), view(0), preventBlankingTimer(-1)
40 {
41     TRACE;
42 #ifdef Q_WS_MAEMO_5
43     setAttribute(Qt::WA_Maemo5StackedWindow, true);
44 #endif
45
46 #ifndef Q_OS_SYMBIAN
47     setWindowTitle("Dorian");
48 #endif
49
50     // Central widget. Must be an intermediate, because the book view widget
51     // might be re-parented later
52     QFrame *central = new QFrame(this);
53     QVBoxLayout *layout = new QVBoxLayout(central);
54     layout->setMargin(0);
55     central->setLayout(layout);
56     setCentralWidget(central);
57
58     // Book view
59     view = new BookView(this);
60
61     // Tool bar actions
62
63     chaptersAction = addToolBarAction(this, SLOT(showChapters()),
64                                       "chapters", tr("Chapters"), true);
65     bookmarksAction = addToolBarAction(this, SLOT(showBookmarks()),
66                                        "bookmarks", tr("Bookmarks"), true);
67     libraryAction = addToolBarAction(this, SLOT(showLibrary()),
68                                      "library", tr("Library"), false);
69
70 #ifdef Q_WS_MAEMO_5
71     settingsAction = menuBar()->addAction(tr("Settings"));
72     connect(settingsAction, SIGNAL(triggered()), this, SLOT(showSettings()));
73     devToolsAction = menuBar()->addAction(tr("Developer"));
74     connect(devToolsAction, SIGNAL(triggered()), this, SLOT(showDevTools()));
75 #else
76     settingsAction = addToolBarAction(this, SLOT(showSettings()),
77                                       "preferences-system", tr("Settings"));
78     devToolsAction = addToolBarAction(this, SLOT(showDevTools()),
79                                       "developer", tr("Developer"));
80 #endif
81
82     rotateAction = addToolBarAction(this, SLOT(rotate()),
83                                     "rotate", tr("Rotate"), true);
84     // addToolBarSpace();
85     fullScreenAction = addToolBarAction(this, SLOT(showBig()),
86         "view-fullscreen", tr("Full screen"), true);
87
88 #if defined(Q_WS_MAEMO_5)
89     QAction *aboutAction = menuBar()->addAction(tr("About"));
90     connect(aboutAction, SIGNAL(triggered()), this, SLOT(about()));
91 #else
92     addToolBarAction(this, SLOT(about()), "about", tr("About"));
93 #endif // defined(Q_WS_MAEMO_5)
94
95 #if defined(Q_OS_SYMBIAN)
96     (void)addToolBarAction(this, SLOT(close()), "", tr("Exit"), false);
97 #endif // defined(Q_OS_SYMBIAN)
98
99     // Decorations
100     prev = new TranslucentButton("back", this);
101     next = new TranslucentButton("forward", this);
102     prog = new Progress(this);
103
104     // Handle model changes
105     connect(Library::instance(), SIGNAL(nowReadingChanged()),
106             this, SLOT(onCurrentBookChanged()));
107
108     // Load library, upgrade it if needed
109     libraryProgress = new ProgressDialog(tr("Upgrading library"), this);
110     Library *library = Library::instance();
111     connect(library, SIGNAL(beginUpgrade(int)),
112             this, SLOT(onBeginUpgrade(int)));
113     connect(library, SIGNAL(upgrading(const QString &)),
114             this, SLOT(onUpgrading(const QString &)));
115     connect(library, SIGNAL(endUpgrade()), this, SLOT(onEndUpgrade()));
116
117     // Handle loading book parts
118     connect(view, SIGNAL(partLoadStart(int)), this, SLOT(onPartLoadStart()));
119     connect(view, SIGNAL(partLoadEnd(int)), this, SLOT(onPartLoadEnd(int)));
120
121     // Handle progress
122     connect(view, SIGNAL(progress(qreal)), prog, SLOT(setProgress(qreal)));
123
124     // Shadow window for full screen reading
125     fullScreenWindow = new FullScreenWindow(this);
126     connect(fullScreenWindow, SIGNAL(restore()), this, SLOT(showRegular()));
127
128     // Handle settings changes
129     connect(Settings::instance(), SIGNAL(valueChanged(const QString &)),
130             this, SLOT(onSettingsChanged(const QString &)));
131
132     // Handle book view buttons
133     connect(next, SIGNAL(triggered()), this, SLOT(goToNextPage()));
134     connect(prev, SIGNAL(triggered()), this, SLOT(goToPreviousPage()));
135
136 #ifdef DORIAN_TEST_MODEL
137     (void)new ModelTest(Library::instance(), this);
138 #endif
139 }
140
141 void MainWindow::initialize()
142 {
143     TRACE;
144     Library *library = Library::instance();
145
146     // Upgrade library if needed, then load it
147     library->upgrade();
148     library->load();
149
150     // Load book on command line, or load last read book, or load default book
151     if (QCoreApplication::arguments().size() == 2) {
152         QString path = QCoreApplication::arguments()[1];
153         library->add(path);
154         QModelIndex index = library->find(path);
155         if (index.isValid()) {
156             library->setNowReading(index);
157         }
158     } else {
159         QModelIndex index = library->nowReading();
160         if (index.isValid()) {
161             library->setNowReading(index);
162         } else {
163             if (!library->rowCount()) {
164                 library->add(":/books/2BR02B.epub");
165             }
166             SortedLibrary sorted;
167             library->setNowReading(sorted.mapToSource(sorted.index(0, 0)));
168         }
169     }
170
171     // Show in regular (non full-screen) mode
172     showRegular();
173 }
174
175 void MainWindow::onCurrentBookChanged()
176 {
177     TRACE;
178     setCurrentBook(Library::instance()->nowReading());
179 }
180
181 void MainWindow::showRegular()
182 {
183     TRACE;
184
185     // Re-parent children
186     fullScreenWindow->leaveBookView();
187     takeBookView(view, prog, prev, next);
188
189     fullScreenWindow->hide();
190     show();
191 }
192
193 void MainWindow::showBig()
194 {
195     TRACE;
196
197     // Re-parent children
198     leaveBookView();
199     fullScreenWindow->takeBookView(view, prog, prev, next);
200
201     hide();
202     fullScreenWindow->showFullScreen();
203 }
204
205 void MainWindow::setCurrentBook(const QModelIndex &current)
206 {
207     mCurrent = current;
208     Book *book = Library::instance()->book(current);
209     view->setBook(book);
210     setWindowTitle(book? book->shortName(): tr("Dorian"));
211 }
212
213 void MainWindow::showLibrary()
214 {
215     (new LibraryDialog(this))->show();
216 }
217
218 void MainWindow::showSettings()
219 {
220     (new SettingsWindow(this))->show();
221 }
222
223 void MainWindow::rotate()
224 {
225     QString current = Settings::instance()->value("orientation",
226         Platform::instance()->defaultOrientation()).toString();
227     QString target = (current == "landscape")? "portrait": "landscape";
228     Settings::instance()->setValue("orientation", target);
229 }
230
231 void MainWindow::showDevTools()
232 {
233     (new DevTools())->exec();
234 }
235
236 void MainWindow::showBookmarks()
237 {
238     Book *book = Library::instance()->book(mCurrent);
239     if (book) {
240         BookmarksDialog *bookmarks = new BookmarksDialog(book, this);
241         connect(bookmarks, SIGNAL(addBookmark(const QString &)),
242                 this, SLOT(onAddBookmark(const QString &)));
243         connect(bookmarks, SIGNAL(goToBookmark(int)),
244                 this, SLOT(onGoToBookmark(int)));
245         bookmarks->show();
246     }
247 }
248
249 void MainWindow::onSettingsChanged(const QString &key)
250 {
251     TRACE;
252     qDebug() << "Key" << key;
253
254     if (key == "orientation") {
255         view->setLastBookmark();
256         QString value = Settings::instance()->value(key,
257             Platform::instance()->defaultOrientation()).toString();
258         qDebug() << "Value: orientation" << value;
259         Platform::instance()->setOrientation(this, value);
260         Platform::instance()->setOrientation(fullScreenWindow, value);
261     }
262
263 #if defined(Q_WS_MAEMO_5)
264     else if (key == "lightson") {
265         bool enable = Settings::instance()->value(key, false).toBool();
266         killTimer(preventBlankingTimer);
267         if (enable) {
268             preventBlankingTimer = startTimer(29 * 1000);
269         }
270     }
271 #endif // defined(Q_WS_MAEMO_5)
272 }
273
274 void MainWindow::onPartLoadStart()
275 {
276     TRACE;
277     Platform::instance()->showBusy(this, true);
278 }
279
280 void MainWindow::onPartLoadEnd(int index)
281 {
282     TRACE;
283     bool enablePrevious = false;
284     bool enableNext = false;
285     Book *book = Library::instance()->book(mCurrent);
286     if (book) {
287         if (index > 0) {
288             enablePrevious = true;
289         }
290         if (index < (book->parts.size() - 1)) {
291             enableNext = true;
292         }
293     }
294     Platform::instance()->showBusy(this, false);
295 }
296
297 void MainWindow::onAddBookmark(const QString &note)
298 {
299     TRACE;
300     view->addBookmark(note);
301     Platform::instance()->information(tr("Bookmarked current position"), this);
302 }
303
304 void MainWindow::onGoToBookmark(int index)
305 {
306     TRACE;
307     Book *book = Library::instance()->book(mCurrent);
308     view->goToBookmark(book->bookmarks()[index]);
309 }
310
311 void MainWindow::showChapters()
312 {
313     Book *book = Library::instance()->book(mCurrent);
314     if (book) {
315         ChaptersDialog *chapters = new ChaptersDialog(book, this);
316         connect(chapters, SIGNAL(goToChapter(int)),
317                 this, SLOT(onGoToChapter(int)));
318         chapters->show();
319     }
320 }
321
322 void MainWindow::onGoToChapter(int index)
323 {
324     TRACE;
325
326     Book *book = Library::instance()->book(mCurrent);
327     if (book) {
328         QString fragment;
329         int partIndex = book->partFromChapter(index, fragment);
330         if (partIndex != -1) {
331             view->goToPart(partIndex, fragment);
332         }
333     }
334 }
335
336 void MainWindow::timerEvent(QTimerEvent *event)
337 {
338     if (event->timerId() == preventBlankingTimer) {
339 #ifdef Q_WS_MAEMO_5
340         QDBusInterface mce(MCE_SERVICE, MCE_REQUEST_PATH,
341                            MCE_REQUEST_IF, QDBusConnection::systemBus());
342         mce.call(MCE_PREVENT_BLANK_REQ);
343 #endif // Q_WS_MAEMO_5
344         qDebug() << "MainWindow::timerEvent: Prevent display blanking";
345     }
346     AdopterWindow::timerEvent(event);
347 }
348
349 void MainWindow::about()
350 {
351     Dyalog *aboutDialog = new Dyalog(this, false);
352     aboutDialog->setWindowTitle(tr("About Dorian"));
353     QString version = Platform::instance()->version();
354     QLabel *label = new QLabel(aboutDialog);
355     label->setTextFormat(Qt::RichText);
356     label->setOpenExternalLinks(true);
357     label->setWordWrap(true);
358     label->setText(tr("<b>Dorian %1</b><br><br>"
359         "Copyright &copy; 2010-2011 by "
360         "Akos Polster &lt;akos@pipacs.com&gt;<br><br>"
361         "Licensed under GNU General Public License, Version 3<br><br>"
362         "<a href='http://dorian.garage.maemo.org/'>"
363         "dorian.garage.maemo.org</a><br><br>"
364         ).arg(version));
365     aboutDialog->addWidget(label);
366     aboutDialog->addStretch();
367     aboutDialog->show();
368 }
369
370 void MainWindow::goToNextPage()
371 {
372     next->flash();
373     prev->flash();
374     view->goNextPage();
375 }
376
377 void MainWindow::goToPreviousPage()
378 {
379     next->flash();
380     prev->flash();
381     view->goPreviousPage();
382 }
383
384 void MainWindow::onBeginUpgrade(int total)
385 {
386     libraryProgress->setVisible(total > 0);
387     libraryProgress->setWindowTitle(tr("Upgrading library"));
388     libraryProgress->setMaximum(total);
389 }
390
391 void MainWindow::onUpgrading(const QString &path)
392 {
393     libraryProgress->setLabelText(tr("Upgrading %1").
394                                   arg(QFileInfo(path).fileName()));
395     libraryProgress->setValue(libraryProgress->value() + 1);
396 }
397
398 void MainWindow::onEndUpgrade()
399 {
400     libraryProgress->hide();
401     libraryProgress->reset();
402 }
403
404 void MainWindow::onBeginLoad(int total)
405 {
406     libraryProgress->setVisible(total > 0);
407     libraryProgress->setWindowTitle(tr("Loading library"));
408     libraryProgress->setMaximum(total);
409 }
410
411 void MainWindow::onLoading(const QString &path)
412 {
413     libraryProgress->setLabelText(tr("Loading %1").
414                                   arg(QFileInfo(path).fileName()));
415     libraryProgress->setValue(libraryProgress->value() + 1);
416 }
417
418 void MainWindow::onEndLoad()
419 {
420     libraryProgress->hide();
421     libraryProgress->reset();
422 }