/*

File: NewsReaderApp.h

Abstract: Use the PubSub framework to create a simple RSS news reader.

Version: 1.0

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*/

#import <Cocoa/Cocoa.h>

@class PSClient, PSFeed, PSEntry;

@class FeedListController, EntryListController, EntryController, FeedPicker;

// NSApplication delegate, and PSClient delegate

@interface NewsReaderApp : NSObject 

{

    IBOutlet NSWindow *_window;                         // The main window

    IBOutlet FeedListController *_feedListController;   // Controls the outline view of feeds

    IBOutlet EntryListController *_entryListController; // Controls the table view of entries 

    IBOutlet EntryController *_entryController;         // Controls the html display of an individual entry

    IBOutlet FeedPicker *_feedPicker;

    IBOutlet NSPopUpButton *_refreshIntervalPopUp,      // Preferences, to set how often feeds are periodically updated, and

                           *_expirationIntervalPopUp;   // how long before entries in feeds are expired (and so, removed)

    IBOutlet NSSplitView *_hSplitter, *_vSplitter;      // The horizontal/vertical splitters

    PSClient *_client;                                  // The PSClient is this application

    PSFeed *_selectedFeed;                              // The currently selected feed

    PSEntry *_selectedEntry;                            // The currently selected entry

}

- (PSFeed*) selectedFeed;

- (PSEntry*) selectedEntry;

- (void) fatalError: (NSString*)message;                // Bad things can happen; this is the unpredictable Internet, after all!

- (IBAction) updateNow: (id)sender;                     // Request an update the selected feed immediately

- (IBAction) feedPicked: (id)sender;                    // Sent by FeedPicker when user picks a feed

- (IBAction) unsubscribe: (id)sender;                   // Remove selected feed from the client

- (IBAction) toggleUnread: (id)sender;                  // Change read/unread status of the selected entry

- (IBAction) toggleFlagged: (id)sender;                 // Change flagged/unflagged status of the selected entry

- (IBAction) toggleAllUnread: (id)sender;               // Change read/unread status of all entries in the selected feed

- (IBAction) openEntryInBrowser: (id)sender;            // Open the current entry's alternateURL in the user's default web browser

- (IBAction) changeIntervalPref: (id)sender;            // The action for either of our above preferences, to change their values.

// Only FeedListController and EntryListController should call these:

- (void) setSelectedFeed: (PSFeed*)feed;

- (void) setSelectedEntry: (PSEntry*)entry;

// Private:

- (void) _updatePreferencesPanel;

@end

extern NewsReaderApp *gApp;