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/**
* @file
* @date 18.5.2007
*
* Implementation of class HBOutputPanelController.
*/
#import "HBOutputPanelController.h"
#import "HBOutputRedirect.h"
/// Maximum amount of characters that can be shown in the view.
// Original value used by cleaner
//#define TextStorageUpperSizeLimit 20000
// lets use this higher value for now for better gui debugging
#define TextStorageUpperSizeLimit 40000
/// When old output is removed, this is the amount of characters that will be
/// left in outputTextStorage.
// Original value used by cleaner
//#define TextStorageLowerSizeLimit 15000
// lets use this higher value for now for better gui debugging
#define TextStorageLowerSizeLimit 35000
@implementation HBOutputPanelController
/**
* Initializes the object, creates outputTextStorage and starts redirection of stderr.
*/
- (id)init
{
if (self = [super init])
{
/* We initialize the outputTextStorage object for the activity window */
outputTextStorage = [[NSTextStorage alloc] init];
/* We declare the default NSFileManager into fileManager */
NSFileManager * fileManager = [NSFileManager defaultManager];
/* we set the files and support paths here */
NSString *AppSupportDirectory = @"~/Library/Application Support/HandBrake";
AppSupportDirectory = [AppSupportDirectory stringByExpandingTildeInPath];
/* First, lets verify that the app support directory exists */
if ([fileManager fileExistsAtPath:AppSupportDirectory] == 0)
{
/* If it doesnt exist yet, we create it here */
[fileManager createDirectoryAtPath:AppSupportDirectory attributes:nil];
}
/* Establish the log file and location to write to */
/* We are initially using a .txt file as opposed to a .log file since it will open by
* default with the users text editor instead of the .log default Console.app, should
* create less confusion for less experienced users when we ask them to paste the log for support
*/
outputLogFile = @"~/Library/Application Support/HandBrake/HandBrake-activitylog.txt";
outputLogFile = [[outputLogFile stringByExpandingTildeInPath]retain];
/* We check for an existing output log file here */
if ([fileManager fileExistsAtPath:outputLogFile] == 0)
{
/* if not, then we create a new blank one */
[fileManager createFileAtPath:outputLogFile contents:nil attributes:nil];
}
/* We overwrite the existing output log with the date for starters the output log to start fresh with the new session */
/* Use the current date and time for the new output log header */
NSString *startOutputLogString = [NSString stringWithFormat: @"HandBrake Activity Log for Session Starting: %@\n\n", [[NSDate date] descriptionWithCalendarFormat:nil timeZone:nil locale:nil]];
[startOutputLogString writeToFile:outputLogFile atomically:YES encoding:NSUTF8StringEncoding error:NULL];
[[HBOutputRedirect stderrRedirect] addListener:self];
[[HBOutputRedirect stdoutRedirect] addListener:self];
}
return self;
}
/**
* Stops redirection of stderr and releases resources.
*/
- (void)dealloc
{
[[HBOutputRedirect stderrRedirect] removeListener:self];
[[HBOutputRedirect stdoutRedirect] removeListener:self];
[outputTextStorage release];
[outputPanel release];
[super dealloc];
}
/**
* Loads output panel from OutputPanel.nib and shows it.
*/
- (IBAction)showOutputPanel:(id)sender
{
if (!outputPanel)
{
BOOL loadSucceeded = [NSBundle loadNibNamed:@"OutputPanel" owner:self] && outputPanel;
NSAssert(loadSucceeded, @"Could not open nib file");
[outputPanel setFrameAutosaveName:@"OutputPanelFrame"];
[[textView layoutManager] replaceTextStorage:outputTextStorage];
[[textView enclosingScrollView] setLineScroll:10];
[[textView enclosingScrollView] setPageScroll:20];
}
[textView scrollRangeToVisible:NSMakeRange([outputTextStorage length], 0)];
[outputPanel orderFront:nil];
[[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"OutputPanelIsOpen"];
}
/**
* Displays text received from HBOutputRedirect in the text view.
*/
- (void)stderrRedirect:(NSString *)text
{
NSAttributedString *attributedString = [[NSAttributedString alloc] initWithString:text];
/* Actually write the libhb output to the text view (outputTextStorage) */
[outputTextStorage appendAttributedString:attributedString];
[attributedString release];
/* remove text from outputTextStorage as defined by TextStorageUpperSizeLimit and TextStorageLowerSizeLimit */
if ([outputTextStorage length] > TextStorageUpperSizeLimit)
[outputTextStorage deleteCharactersInRange:NSMakeRange(0, [outputTextStorage length] - TextStorageLowerSizeLimit)];
[textView scrollRangeToVisible:NSMakeRange([outputTextStorage length], 0)];
/* We use a c function to write to the log file without reading it into memory
* as it should be faster and easier on memory than using cocoa's writeToFile
* thanks ritsuka !!*/
FILE *f = fopen([outputLogFile UTF8String], "a");
fprintf(f, "%s", [text UTF8String]);
fclose(f);
/* Below uses Objective-C to write to the file, though it is slow and uses
* more memory than the c function above. For now, leaving this in here
* just in case and commented out.
*/
/* Put the new incoming string from libhb into an nsstring for appending to our log file */
//NSString *newOutputString = [[NSString alloc] initWithString:text];
/*get the current log file and put it into an NSString */
/* HACK ALERT: must be a way to do it without reading the whole log into memory
Performance note: could batch write to the log, but want to get each line as it comes out of
libhb in case of a crash or freeze so we see exactly what the last thing was before crash*/
//NSString *currentOutputLogString = [[NSString alloc]initWithContentsOfFile:outputLogFile encoding:NSUTF8StringEncoding error:NULL];
/* Append the new libhb output string to the existing log file string */
//currentOutputLogString = [currentOutputLogString stringByAppendingString:newOutputString];
/* Save the new modified log file string back to disk */
//[currentOutputLogString writeToFile:outputLogFile atomically:YES encoding:NSUTF8StringEncoding error:NULL];
/* Release the new libhb output string */
//[newOutputString release];
}
- (void)stdoutRedirect:(NSString *)text { [self stderrRedirect:text]; }
/**
* Clears the output window.
*/
- (IBAction)clearOutput:(id)sender
{
[outputTextStorage deleteCharactersInRange:NSMakeRange(0, [outputTextStorage length])];
}
/**
* Copies all text in the output window to pasteboard.
*/
- (IBAction)copyAllOutputToPasteboard:(id)sender
{
NSPasteboard *pboard = [NSPasteboard generalPasteboard];
[pboard declareTypes:[NSArray arrayWithObject:NSStringPboardType] owner:nil];
[pboard setString:[outputTextStorage string] forType:NSStringPboardType];
}
/**
* Opens the activity log txt file in users default editor.
*/
- (IBAction)openActivityLogFile:(id)sender
{
/* Opens the activity window log file in the users default text editor */
NSAppleScript *myScript = [[NSAppleScript alloc] initWithSource: [NSString stringWithFormat: @"%@%@%@", @"tell application \"Finder\" to open (POSIX file \"", outputLogFile, @"\")"]];
[myScript executeAndReturnError: nil];
[myScript release];
}
- (void)windowWillClose:(NSNotification *)aNotification
{
[[NSUserDefaults standardUserDefaults] setBool:NO forKey:@"OutputPanelIsOpen"];
}
@end
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