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/* HBOutputPanelController.m
This file is part of the HandBrake source code.
Homepage: <http://handbrake.fr/>.
It may be used under the terms of the GNU General Public License. */
#import "HBOutputPanelController.h"
#import "HBOutputRedirect.h"
#import "HBOutputFileWriter.h"
#import "HBUtilities.h"
/// Maximum amount of characters that can be shown in the view.
#define TextStorageUpperSizeLimit 125000
/// When old output is removed, this is the amount of characters that will be
/// left in outputTextStorage.
#define TextStorageLowerSizeLimit 120000
@interface HBOutputPanelController () <HBOutputRedirectListening>
/// Textview that displays debug output.
@property (nonatomic, unsafe_unretained) IBOutlet NSTextView *textView;
/// Text storage for the debug output.
@property (nonatomic, readonly) NSTextStorage *outputTextStorage;
@property (nonatomic, readonly) NSDictionary *textAttributes;
/// Path to log text file.
@property (nonatomic, copy, readonly) HBOutputFileWriter *outputFile;
@end
@implementation HBOutputPanelController
/**
* Initializes the object, creates outputTextStorage and starts redirection of stderr.
*/
- (instancetype)init
{
if( (self = [super initWithWindowNibName:@"OutputPanel"]) )
{
// We initialize the outputTextStorage object for the activity window
_outputTextStorage = [[NSTextStorage alloc] init];
// Text attributes
_textAttributes = @{NSForegroundColorAttributeName: NSColor.textColor};
// Add ourself as stderr/stdout listener
[HBOutputRedirect.stderrRedirect addListener:self queue:dispatch_get_main_queue()];
[HBOutputRedirect.stdoutRedirect addListener:self queue:dispatch_get_main_queue()];
// Redirect the output to a file on the disk.
NSURL *outputLogFile = [HBUtilities.appSupportURL URLByAppendingPathComponent:@"HandBrake-activitylog.txt"];
_outputFile = [[HBOutputFileWriter alloc] initWithFileURL:outputLogFile];
if (_outputFile)
{
[HBOutputRedirect.stderrRedirect addListener:_outputFile queue:dispatch_get_main_queue()];
[HBOutputRedirect.stdoutRedirect addListener:_outputFile queue:dispatch_get_main_queue()];
}
[self writeHeader];
}
return self;
}
- (void)dealloc
{
[HBOutputRedirect.stderrRedirect removeListener:self];
[HBOutputRedirect.stdoutRedirect removeListener:self];
}
- (void)windowDidLoad
{
[super windowDidLoad];
[_textView.layoutManager replaceTextStorage:_outputTextStorage];
[_textView.enclosingScrollView setLineScroll:10];
[_textView.enclosingScrollView setPageScroll:20];
[_textView scrollToEndOfDocument:self];
}
- (IBAction)showWindow:(id)sender
{
[_textView scrollToEndOfDocument:self];
[super showWindow:sender];
}
/**
Write the HandBrake version number to the log
*/
- (void)writeHeader
{
NSDictionary *infoDict = NSBundle.mainBundle.infoDictionary;
NSString *versionStringFull = [NSString stringWithFormat:@"Handbrake Version: %@ (%@)", infoDict[@"CFBundleShortVersionString"], infoDict[@"CFBundleVersion"]];
[HBUtilities writeToActivityLog:"%s", versionStringFull.UTF8String];
}
/**
* Displays text received from HBOutputRedirect in the text view
*/
- (void)redirect:(NSString *)text type:(HBRedirectType)type
{
NSAttributedString *attributedString = [[NSAttributedString alloc] initWithString:text attributes:_textAttributes];
// Actually write the libhb output to the text view (outputTextStorage)
[_outputTextStorage appendAttributedString:attributedString];
// remove text from outputTextStorage as defined by TextStorageUpperSizeLimit and TextStorageLowerSizeLimit */
if (_outputTextStorage.length > TextStorageUpperSizeLimit)
{
[_outputTextStorage deleteCharactersInRange:NSMakeRange(0, _outputTextStorage.length - TextStorageLowerSizeLimit)];
}
if (self.windowLoaded && self.window.isVisible)
{
[_textView scrollToEndOfDocument:self];
}
}
/**
* Clears the output window.
*/
- (IBAction)clearOutput:(id)sender
{
[_outputTextStorage deleteCharactersInRange:NSMakeRange(0, _outputTextStorage.length)];
[self writeHeader];
}
/**
* Copies all text in the output window to pasteboard.
*/
- (IBAction)copyAllOutputToPasteboard:(id)sender
{
NSPasteboard *pboard = NSPasteboard.generalPasteboard;
[pboard declareTypes:@[NSPasteboardTypeString] owner:nil];
[pboard setString:_outputTextStorage.string forType:NSPasteboardTypeString];
}
/**
* Opens the activity log txt file in users default editor.
*/
- (IBAction)openActivityLogFile:(id)sender
{
[NSWorkspace.sharedWorkspace openURL:self.outputFile.url];
}
/**
* Opens the activity log txt file in users default editor.
*/
- (IBAction)openEncodeLogDirectory:(id)sender
{
// Opens the activity window log file in the users default text editor
NSURL *encodeLogDirectory = [HBUtilities.appSupportURL URLByAppendingPathComponent:@"EncodeLogs"];
if (![NSFileManager.defaultManager fileExistsAtPath:encodeLogDirectory.path])
{
[NSFileManager.defaultManager createDirectoryAtPath:encodeLogDirectory.path
withIntermediateDirectories:NO
attributes:nil
error:nil];
}
[NSWorkspace.sharedWorkspace openURL:encodeLogDirectory];
}
- (IBAction)clearActivityLogFile:(id)sender
{
[self.outputFile clear];
}
@end
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