public AboutWindow(Channel channel) {
InitializeComponent();
this.channel=channel;
homepageUrl=channel.HomepageUrl;
if (homepageUrl == null) {
homepageIcon.Visibility=Visibility.Collapsed;
homepageLink.Visibility=Visibility.Collapsed;
}
DataContext=this;
}
public MainWindow() : this(null) {} // Konstruktors Visual Studio dizainerim.
#endif
public MainWindow(Channel firstChannel) {
InitializeComponent();
this.channel=firstChannel;
this.Loaded+=Window_Loaded; this.Closing+=Window_Closing;
mutedIcon=(BitmapImage)Resources["MutedIcon"];
unmutedIcon=(BitmapImage)Resources["UnmutedIcon"];
ShowMuteStateInTaskBar(true);
this.CommandBindings.Add(new CommandBinding(MediaCommands.MuteVolume, MuteCmd_Executed));
this.CommandBindings.Add(new CommandBinding(MediaCommands.IncreaseVolume, IncreaseCmd_Executed));
this.CommandBindings.Add(new CommandBinding(MediaCommands.DecreaseVolume, DecreaseCmd_Executed));
appMenuMask.Freeze(); channelMenuMask.Freeze(); guideMenuMask.Freeze(); guidedMenuMask.Freeze(); guidedChannelMenuMask.Freeze();
}
public async Task SetChannel(Channel newChannel) {
if (stateChanging) return;
stateChanging=true;
if (newChannel == null) newChannel=new EmptyChannel();
bool hadGuide=false;
if (channel != null && notFirstChannel) {
if (!(channel is EmptyChannel)) {
newChannel.IsMuted=channel.IsMuted;
newChannel.Volume=channel.Volume;
hadGuide=channel.Guide != null;
if (hadGuide) {
if (guidePanel.Visibility == Visibility.Visible) StopGuide();
channel.Guide.CurrentBroadcastChanged-=guide_BroadcastChanged;
if (channel.Guide.Menu != null)
for (int n=0; n < channel.Guide.Menu.Items.Count; n++)
MenuHelper.Delete((uint)(MenuHelper.GuideIdOffset+n));
}
}
if (channel.Menu != null)
for (int n=0; n < channel.Menu.Items.Count; n++)
MenuHelper.Delete((uint)(MenuHelper.ChannelIdOffset+n));
ProperWindow.CloseAll();
channel.Stop(); channel.Dispose();
}
Title=newChannel.Caption; // Šiem jāsakrīt, jo to izmanto EmptyChannel loga pogas atrašanai.
if (Settings.Default.ShowClock) {
// channel piešķiršanas secību nosaka UpdateClock nepieciešamā instance.
if (newChannel.Timezone == null) {
HideClock();
channel=newChannel;
} else {
channel=newChannel;
ShowClock();
}
} else channel=newChannel;
if (newChannel.Menu != null)
newChannel.Menu.Items.AddToMenu(MenuHelper.SystemMenuHandle, 1, MenuHelper.ChannelIdOffset);
// Tā kā raidījumu saraksta ielāde var prasīt laiku, nomaina izskatu pirms tā.
await Dispatcher.InvokeAsync(() => {
System.Windows.Controls.Grid.SetColumnSpan(logoBackground, channel.Brand.HasSharedBackground ? 2:1);
channel.Brand.Focused=this.IsActive;
DataContext=channel; // Parāda kanālu pirms raidījumu saraksta ielādes, lai tas nebremzē pārslēgšanas uztveri.
});
if (newChannel.HasGuide && Settings.Default.UseGuide) {
InitGuide();
if (!hadGuide) ShowGuide();
await StartGuide(true).ConfigureAwait(false);
} else HideGuide();
await Dispatcher.InvokeAsync(() => {
ShowMuteStateInTaskBar(channel.IsMuted);
UpdateMenuButtonMask(); // Atkarīgs no raidījum saraksta pieejamības un notiek saskarnes pavedienā.
});
channel.Play();
stateChanging=false;
}