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[minitube] / src / MainWindow.cpp
1 #include "MainWindow.h"
2 #include "spacer.h"
3 #include "Constants.h"
4 #include "iconloader/qticonloader.h"
5 #include "global.h"
6
7 MainWindow::MainWindow() {
8
9     m_fullscreen = false;
10     mediaObject = 0;
11     audioOutput = 0;
12
13     // views mechanism
14     history = new QStack<QWidget*>();
15     views = new QStackedWidget(this);
16
17     // views
18     searchView = new SearchView(this);
19     connect(searchView, SIGNAL(search(QString)), this, SLOT(showMedia(QString)));
20     views->addWidget(searchView);
21     mediaView = new MediaView(this);
22     views->addWidget(mediaView);
23
24     // lazy initialized views
25     aboutView = 0;
26     settingsView = 0;
27
28     toolbarSearch = new SearchLineEdit(this);
29     toolbarSearch->setFont(qApp->font());
30     // toolbarSearch->setMinimumWidth(200);
31     connect(toolbarSearch, SIGNAL(search(const QString&)), searchView, SLOT(watch(const QString&)));
32
33     // build ui
34     createActions();
35     createMenus();
36     createToolBars();
37     createStatusBar();
38
39     // remove that useless menu/toolbar context menu
40     this->setContextMenuPolicy(Qt::NoContextMenu);
41
42     // mediaView init stuff thats needs actions
43     mediaView->initialize();
44
45     // restore window position
46     readSettings();
47
48     // show the initial view
49     showWidget(searchView);
50
51     setCentralWidget(views);
52
53     // top dock widget
54     /*
55     QLabel* message = new QLabel(this);
56     message->setText(QString("A new version of %1 is available.").arg(Constants::APP_NAME));
57     message->setMargin(10);
58     message->setAlignment(Qt::AlignCenter);
59     QPalette palette;
60     message->setBackgroundRole(QPalette::ToolTipBase);
61     message->setForegroundRole(QPalette::ToolTipText);
62     message->setAutoFillBackground(true);
63     QDockWidget *dockWidget = new QDockWidget("", this, 0);
64     dockWidget->setTitleBarWidget(0);
65     dockWidget->setWidget(message);
66     dockWidget->setFeatures(QDockWidget::DockWidgetClosable);
67     addDockWidget(Qt::TopDockWidgetArea, dockWidget);
68     */
69
70 }
71
72 MainWindow::~MainWindow() {
73     delete history;
74 }
75
76 void MainWindow::createActions() {
77
78     QMap<QString, QAction*> *actions = The::globalActions();
79
80     /*
81     settingsAct = new QAction(tr("&Preferences..."), this);
82     settingsAct->setStatusTip(tr(QString("Configure ").append(Constants::APP_NAME).toUtf8()));
83     // Mac integration
84     settingsAct->setMenuRole(QAction::PreferencesRole);
85     actions->insert("settings", settingsAct);
86     connect(settingsAct, SIGNAL(triggered()), this, SLOT(showSettings()));
87     */
88     
89     backAct = new QAction(QIcon(":/images/go-previous.png"), tr("&Back"), this);
90     backAct->setEnabled(false);
91     backAct->setShortcut(QKeySequence(Qt::ALT + Qt::Key_Left));
92     backAct->setStatusTip(tr("Go to the previous view"));
93     actions->insert("back", backAct);
94     connect(backAct, SIGNAL(triggered()), this, SLOT(goBack()));
95
96     stopAct = new QAction(QtIconLoader::icon("media-stop", QIcon(":/images/stop.png")), tr("&Stop"), this);
97     stopAct->setStatusTip(tr("Stop playback and go back to the search view"));
98     stopAct->setShortcut(QKeySequence(Qt::Key_Escape));
99     actions->insert("stop", stopAct);
100     connect(stopAct, SIGNAL(triggered()), this, SLOT(stop()));
101
102     skipAct = new QAction(QtIconLoader::icon("media-skip-forward", QIcon(":/images/skip.png")), tr("S&kip"), this);
103     skipAct->setStatusTip(tr("Skip to the next video"));
104     skipAct->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Right));
105     skipAct->setEnabled(false);
106     actions->insert("skip", skipAct);
107     connect(skipAct, SIGNAL(triggered()), mediaView, SLOT(skip()));
108
109     pauseAct = new QAction(QtIconLoader::icon("media-pause", QIcon(":/images/pause.png")), tr("&Pause"), this);
110     pauseAct->setStatusTip(tr("Pause playback"));
111     pauseAct->setShortcut(QKeySequence(Qt::Key_Space));
112     pauseAct->setEnabled(false);
113     actions->insert("pause", pauseAct);
114     connect(pauseAct, SIGNAL(triggered()), mediaView, SLOT(pause()));
115
116     fullscreenAct = new QAction(QtIconLoader::icon("view-fullscreen", QIcon(":/images/view-fullscreen.png")), tr("&Full Screen"), this);
117     fullscreenAct->setStatusTip(tr("Go full screen"));
118     fullscreenAct->setShortcut(QKeySequence(Qt::ALT + Qt::Key_Return));
119     fullscreenAct->setShortcutContext(Qt::ApplicationShortcut);
120     actions->insert("fullscreen", fullscreenAct);
121     connect(fullscreenAct, SIGNAL(triggered()), this, SLOT(fullscreen()));
122
123     compactViewAct = new QAction(tr("&Compact mode"), this);
124     compactViewAct->setStatusTip(tr("Hide the playlist and the toolbar"));
125     compactViewAct->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Return));
126     compactViewAct->setCheckable(true);
127     compactViewAct->setChecked(false);
128     compactViewAct->setEnabled(false);
129     actions->insert("compactView", compactViewAct);
130     connect(compactViewAct, SIGNAL(toggled(bool)), this, SLOT(compactView(bool)));
131
132     /*
133     // icon should be document-save but it is ugly
134     downloadAct = new QAction(QtIconLoader::icon("go-down", QIcon(":/images/go-down.png")), tr("&Download"), this);
135     downloadAct->setStatusTip(tr("Download this video"));
136     downloadAct->setShortcut(tr("Ctrl+S"));
137     actions.insert("download", downloadAct);
138     connect(downloadAct, SIGNAL(triggered()), this, SLOT(download()));
139     */
140
141     webPageAct = new QAction(QtIconLoader::icon("internet-web-browser", QIcon(":/images/internet-web-browser.png")), tr("&YouTube"), this);
142     webPageAct->setStatusTip(tr("Open the YouTube video page"));
143     webPageAct->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Y));
144     webPageAct->setEnabled(false);
145     actions->insert("webpage", webPageAct);
146     connect(webPageAct, SIGNAL(triggered()), mediaView, SLOT(openWebPage()));
147
148     removeAct = new QAction(tr("&Remove"), this);
149     removeAct->setStatusTip(tr("Remove the selected videos from the playlist"));
150     QList<QKeySequence> shortcuts;
151     shortcuts << QKeySequence("Del") << QKeySequence("Backspace");
152     removeAct->setShortcuts(shortcuts);
153     removeAct->setEnabled(false);
154     actions->insert("remove", removeAct);
155     connect(removeAct, SIGNAL(triggered()), mediaView, SLOT(removeSelected()));
156
157     moveUpAct = new QAction(QtIconLoader::icon("go-up", QIcon(":/images/go-up.png")), tr("Move &Up"), this);
158     moveUpAct->setStatusTip(tr("Move up the selected videos in the playlist"));
159     moveUpAct->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Up));
160     moveUpAct->setEnabled(false);
161     actions->insert("moveUp", moveUpAct);
162     connect(moveUpAct, SIGNAL(triggered()), mediaView, SLOT(moveUpSelected()));
163
164     moveDownAct = new QAction(QtIconLoader::icon("go-down", QIcon(":/images/go-down.png")), tr("Move &Down"), this);
165     moveDownAct->setStatusTip(tr("Move down the selected videos in the playlist"));
166     moveDownAct->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Down));
167     moveDownAct->setEnabled(false);
168     actions->insert("moveDown", moveDownAct);
169     connect(moveDownAct, SIGNAL(triggered()), mediaView, SLOT(moveDownSelected()));
170
171     quitAct = new QAction(tr("&Quit"), this);
172     quitAct->setMenuRole(QAction::QuitRole);
173     quitAct->setShortcut(tr("Ctrl+Q"));
174     quitAct->setStatusTip(tr("Bye"));
175     actions->insert("quit", quitAct);
176     connect(quitAct, SIGNAL(triggered()), this, SLOT(quit()));
177
178     siteAct = new QAction(tr("&Website"), this);
179     siteAct->setShortcut(QKeySequence::HelpContents);
180     siteAct->setStatusTip(tr("%1 on the Web").arg(Constants::APP_NAME));
181     actions->insert("site", siteAct);
182     connect(siteAct, SIGNAL(triggered()), this, SLOT(visitSite()));
183
184     donateAct = new QAction(tr("&Donate via PayPal"), this);
185     donateAct->setStatusTip(tr("Please support the continued development of %1").arg(Constants::APP_NAME));
186     actions->insert("donate", donateAct);
187     connect(donateAct, SIGNAL(triggered()), this, SLOT(donate()));
188
189     aboutAct = new QAction(tr("&About"), this);
190     aboutAct->setMenuRole(QAction::AboutRole);
191     aboutAct->setStatusTip(tr("Info about %1").arg(Constants::APP_NAME));
192     actions->insert("about", aboutAct);
193     connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));
194
195     searchFocusAct = new QAction(tr("&Search"), this);
196     searchFocusAct->setShortcut(QKeySequence::Find);
197     actions->insert("search", searchFocusAct);
198     connect(searchFocusAct, SIGNAL(triggered()), this, SLOT(searchFocus()));
199     addAction(searchFocusAct);
200
201     // common action properties
202     foreach (QAction *action, actions->values()) {
203
204         // add actions to the MainWindow so that they work
205         // when the menu is hidden
206         addAction(action);
207
208         // never autorepeat.
209         // unexperienced users tend to keep keys pressed for a "long" time
210         action->setAutoRepeat(false);
211         action->setToolTip(action->statusTip());
212
213         // make the actions work when video is fullscreen
214         action->setShortcutContext(Qt::ApplicationShortcut);
215
216 #ifdef Q_WS_MAC
217         // OSX does not use icons in menus
218         action->setIconVisibleInMenu(false);
219 #endif
220
221     }
222
223 }
224
225 void MainWindow::createMenus() {
226
227     QMap<QString, QMenu*> *menus = The::globalMenus();
228
229     fileMenu = menuBar()->addMenu(tr("&Application"));
230     // menus->insert("file", fileMenu);
231     /*
232     fileMenu->addAction(settingsAct);
233     fileMenu->addSeparator();
234     */
235     fileMenu->addAction(quitAct);
236
237     playlistMenu = menuBar()->addMenu(tr("&Playlist"));
238     menus->insert("playlist", playlistMenu);
239     playlistMenu->addAction(removeAct);
240     playlistMenu->addSeparator();
241     playlistMenu->addAction(moveUpAct);
242     playlistMenu->addAction(moveDownAct);
243
244     viewMenu = menuBar()->addMenu(tr("&Video"));
245     menus->insert("video", viewMenu);
246     // viewMenu->addAction(backAct);
247     viewMenu->addAction(stopAct);
248     viewMenu->addAction(pauseAct);
249     viewMenu->addAction(skipAct);
250     viewMenu->addSeparator();
251     viewMenu->addAction(webPageAct);
252     viewMenu->addSeparator();
253     viewMenu->addAction(compactViewAct);
254     viewMenu->addAction(fullscreenAct);
255
256     helpMenu = menuBar()->addMenu(tr("&Help"));
257     helpMenu->addAction(siteAct);
258     helpMenu->addAction(donateAct);
259     helpMenu->addAction(aboutAct);
260 }
261
262 void MainWindow::createToolBars() {
263
264     setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
265
266     mainToolBar = new QToolBar(this);
267     mainToolBar->setFloatable(false);
268     mainToolBar->setMovable(false);
269
270     QFont smallerFont;
271     smallerFont.setPointSize(smallerFont.pointSize()*.85);
272     mainToolBar->setFont(smallerFont);
273
274     mainToolBar->setIconSize(QSize(32,32));
275     // mainToolBar->addAction(backAct);
276     mainToolBar->addAction(stopAct);
277     mainToolBar->addAction(pauseAct);
278     mainToolBar->addAction(skipAct);
279     mainToolBar->addAction(fullscreenAct);
280
281     seekSlider = new Phonon::SeekSlider(this);
282     seekSlider->setIconVisible(false);
283     Spacer *seekSliderSpacer = new Spacer(mainToolBar, seekSlider);
284     seekSliderSpacer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
285     mainToolBar->addWidget(seekSliderSpacer);
286
287     volumeSlider = new Phonon::VolumeSlider(this);
288     // this makes the volume slider smaller
289     volumeSlider->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
290     mainToolBar->addWidget(new Spacer(mainToolBar, volumeSlider));
291
292     mainToolBar->addWidget(new Spacer(mainToolBar, toolbarSearch));
293
294     addToolBar(mainToolBar);
295 }
296
297 void MainWindow::createStatusBar() {
298     currentTime = new QLabel(this);
299     statusBar()->addPermanentWidget(currentTime);
300
301     totalTime = new QLabel(this);
302     statusBar()->addPermanentWidget(totalTime);
303
304     // remove ugly borders on OSX
305     statusBar()->setStyleSheet("::item{border:0 solid}");
306
307     statusBar()->show();
308 }
309
310 void MainWindow::readSettings() {
311     QSettings settings;
312     restoreGeometry(settings.value("geometry").toByteArray());
313 }
314
315 void MainWindow::writeSettings() {
316     QSettings settings;
317     settings.setValue("geometry", saveGeometry());
318 }
319
320 void MainWindow::goBack() {
321     if ( history->size() > 1 ) {
322         history->pop();
323         QWidget *widget = history->pop();
324         showWidget(widget);
325     }
326 }
327
328 void MainWindow::showWidget ( QWidget* widget ) {
329
330     // call hide method on the current view
331     View* oldView = dynamic_cast<View *> (views->currentWidget());
332     if (oldView != NULL) {
333         oldView->disappear();
334     }
335
336     // call show method on the new view
337     View* newView = dynamic_cast<View *> (widget);
338     if (newView != NULL) {
339         newView->appear();
340         QMap<QString,QVariant> metadata = newView->metadata();
341         QString windowTitle = metadata.value("title").toString();
342         if (windowTitle.length())
343             windowTitle += " - ";
344         setWindowTitle(windowTitle + Constants::APP_NAME);
345         statusBar()->showMessage((metadata.value("description").toString()));
346
347     }
348
349     // backAct->setEnabled(history->size() > 1);
350     // settingsAct->setEnabled(widget != settingsView);
351     stopAct->setEnabled(widget == mediaView);
352     fullscreenAct->setEnabled(widget == mediaView);
353     compactViewAct->setEnabled(widget == mediaView);
354     webPageAct->setEnabled(widget == mediaView);
355     aboutAct->setEnabled(widget != aboutView);
356
357     // cool toolbar on the Mac
358     // setUnifiedTitleAndToolBarOnMac(widget == mediaView);
359
360     // toolbar only for the mediaView
361     mainToolBar->setVisible(widget == mediaView && !compactViewAct->isChecked());
362
363     history->push(widget);
364     fadeInWidget(views->currentWidget(), widget);
365     views->setCurrentWidget(widget);
366
367 }
368
369 void MainWindow::fadeInWidget(QWidget *oldWidget, QWidget *newWidget) {
370     if (faderWidget) faderWidget->close();
371     if (!oldWidget || !newWidget || oldWidget == mediaView || newWidget == mediaView) return;
372     QPixmap frozenView = QPixmap::grabWidget(oldWidget);
373     faderWidget = new FaderWidget(newWidget);
374     faderWidget->start(frozenView);
375 }
376
377 void MainWindow::about() {
378     if (!aboutView) {
379         aboutView = new AboutView(this);
380         views->addWidget(aboutView);
381     }
382     showWidget(aboutView);
383 }
384
385 void MainWindow::visitSite() {
386     QUrl url(Constants::WEBSITE);
387     statusBar()->showMessage(QString(tr("Opening %1").arg(url.toString())));
388     QDesktopServices::openUrl(url);
389 }
390
391 void MainWindow::donate() {
392     QUrl url(QString(Constants::WEBSITE) + "#donate");
393     statusBar()->showMessage(QString(tr("Opening %1").arg(url.toString())));
394     QDesktopServices::openUrl(url);
395 }
396
397 void MainWindow::quit() {
398     writeSettings();
399     qApp->quit();
400 }
401
402 void MainWindow::closeEvent(QCloseEvent *event) {
403     quit();
404     QWidget::closeEvent(event);
405 }
406
407 void MainWindow::showSettings() {
408     if (!settingsView) {
409         settingsView = new SettingsView(this);
410         views->addWidget(settingsView);
411     }
412     showWidget(settingsView);
413 }
414
415 void MainWindow::showSearch() {
416     showWidget(searchView);
417     currentTime->clear();
418     totalTime->clear();
419 }
420
421 void MainWindow::showMedia(QString query) {
422     initPhonon();
423     mediaView->setMediaObject(mediaObject);
424     SearchParams *searchParams = new SearchParams();
425     searchParams->setKeywords(query);
426     mediaView->search(searchParams);
427     showWidget(mediaView);
428 }
429
430 void MainWindow::stateChanged(Phonon::State newState, Phonon::State /* oldState */) {
431
432     // qDebug() << "Phonon state: " << newState;
433
434     switch (newState) {
435
436          case Phonon::ErrorState:
437         if (mediaObject->errorType() == Phonon::FatalError) {
438             statusBar()->showMessage(tr("Fatal error: %1").arg(mediaObject->errorString()));
439         } else {
440             statusBar()->showMessage(tr("Error: %1").arg(mediaObject->errorString()));
441         }
442         break;
443
444          case Phonon::PlayingState:
445         pauseAct->setEnabled(true);
446         pauseAct->setIcon(QtIconLoader::icon("media-pause", QIcon(":/images/pause.png")));
447         pauseAct->setText(tr("&Pause"));
448         pauseAct->setStatusTip(tr("Pause playback"));
449         skipAct->setEnabled(true);
450         break;
451
452          case Phonon::StoppedState:
453         pauseAct->setEnabled(false);
454         skipAct->setEnabled(false);
455         break;
456
457          case Phonon::PausedState:
458         skipAct->setEnabled(true);
459         pauseAct->setEnabled(true);
460         pauseAct->setIcon(QtIconLoader::icon("media-play", QIcon(":/images/play.png")));
461         pauseAct->setText(tr("&Play"));
462         pauseAct->setStatusTip(tr("Resume playback"));
463         break;
464
465          case Phonon::BufferingState:
466          case Phonon::LoadingState:
467         skipAct->setEnabled(true);
468         pauseAct->setEnabled(false);
469         currentTime->clear();
470         totalTime->clear();
471         break;
472
473          default:
474         ;
475     }
476 }
477
478 void MainWindow::stop() {
479     mediaView->stop();
480     showSearch();
481 }
482
483 void MainWindow::fullscreen() {
484
485     if (m_fullscreen) {
486         fullscreenAct->setShortcut(QKeySequence(Qt::ALT + Qt::Key_Return));
487         fullscreenAct->setText(tr("&Full Screen"));
488         stopAct->setShortcut(QKeySequence(Qt::Key_Escape));
489         if (m_maximized) showMaximized();
490         else showNormal();
491     } else {
492         stopAct->setShortcut(QString(""));
493         QList<QKeySequence> shortcuts;
494         // for some reason it is important that ESC comes first
495         shortcuts << QKeySequence(Qt::Key_Escape) << QKeySequence(Qt::ALT + Qt::Key_Return);
496         fullscreenAct->setShortcuts(shortcuts);
497         fullscreenAct->setText(tr("Exit &Full Screen"));
498         m_maximized = isMaximized();
499         showFullScreen();
500     }
501     compactViewAct->setVisible(m_fullscreen);
502     mediaView->setPlaylistVisible(m_fullscreen);
503     mainToolBar->setVisible(m_fullscreen);
504     statusBar()->setVisible(m_fullscreen);
505     menuBar()->setVisible(m_fullscreen);
506     menuBar()->setEnabled(true);
507     m_fullscreen = !m_fullscreen;
508
509 }
510
511 void MainWindow::compactView(bool enable) {
512
513     // setUnifiedTitleAndToolBarOnMac(!enable);
514     mediaView->setPlaylistVisible(!enable);
515     mainToolBar->setVisible(!enable);
516     statusBar()->setVisible(!enable);
517
518     // ensure focus does not end up to the search box
519     // as it would steal the Space shortcut
520     toolbarSearch->setEnabled(!enable);
521
522     if (enable) {
523         stopAct->setShortcut(QString(""));
524         QList<QKeySequence> shortcuts;
525         // for some reason it is important that ESC comes first
526         shortcuts << QKeySequence(Qt::CTRL + Qt::Key_Return) << QKeySequence(Qt::Key_Escape);
527         compactViewAct->setShortcuts(shortcuts);
528     } else {
529         compactViewAct->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Return));
530         stopAct->setShortcut(QKeySequence(Qt::Key_Escape));
531     }
532
533 }
534
535 void MainWindow::searchFocus() {
536     QWidget *view = views->currentWidget();
537     if (view == mediaView) {
538         toolbarSearch->setFocus();
539     }
540 }
541
542 void MainWindow::initPhonon() {
543     // Phonon initialization
544     if (mediaObject) delete mediaObject;
545     if (audioOutput) delete audioOutput;
546     mediaObject = new Phonon::MediaObject(this);
547     mediaObject->setTickInterval(100);
548     connect(mediaObject, SIGNAL(stateChanged(Phonon::State, Phonon::State)),
549             this, SLOT(stateChanged(Phonon::State, Phonon::State)));
550     connect(mediaObject, SIGNAL(tick(qint64)), this, SLOT(tick(qint64)));
551     connect(mediaObject, SIGNAL(totalTimeChanged(qint64)), this, SLOT(totalTimeChanged(qint64)));
552     seekSlider->setMediaObject(mediaObject);
553     audioOutput = new Phonon::AudioOutput(Phonon::VideoCategory, this);
554     volumeSlider->setAudioOutput(audioOutput);
555     Phonon::createPath(mediaObject, audioOutput);
556 }
557
558 void MainWindow::tick(qint64 time) {
559     QTime displayTime(0, (time / 60000) % 60, (time / 1000) % 60);
560     currentTime->setText(displayTime.toString("mm:ss"));
561     // qDebug() << "currentTime" << time << displayTime.toString("mm:ss");
562 }
563
564 void MainWindow::totalTimeChanged(qint64 time) {
565     if (time <= 0) {
566         totalTime->clear();
567         return;
568     }
569     QTime displayTime(0, (time / 60000) % 60, (time / 1000) % 60);
570     totalTime->setText(displayTime.toString("/ mm:ss"));
571     // qDebug() << "totalTime" << time << displayTime.toString("mm:ss");
572 }
573