transmission/macosx/MessageWindowController.mm

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// This file Copyright © 2006-2022 Transmission authors and contributors.
// It may be used under the MIT (SPDX: MIT) license.
// License text can be found in the licenses/ folder.
#include <libtransmission/transmission.h>
#include <libtransmission/log.h>
#import "MessageWindowController.h"
#import "Controller.h"
#import "NSImageAdditions.h"
#import "NSMutableArrayAdditions.h"
#import "NSStringAdditions.h"
#define LEVEL_ERROR 0
#define LEVEL_WARN 1
#define LEVEL_INFO 2
#define LEVEL_DEBUG 3
#define LEVEL_TRACE 4
#define UPDATE_SECONDS 0.75
@interface MessageWindowController ()
@property(nonatomic) IBOutlet NSTableView* fMessageTable;
@property(nonatomic) IBOutlet NSPopUpButton* fLevelButton;
@property(nonatomic) IBOutlet NSButton* fSaveButton;
@property(nonatomic) IBOutlet NSButton* fClearButton;
@property(nonatomic) IBOutlet NSSearchField* fFilterField;
@property(nonatomic) NSMutableArray<NSDictionary*>* fMessages;
@property(nonatomic) NSMutableArray<NSDictionary*>* fDisplayedMessages;
@property(nonatomic, copy) NSDictionary<NSAttributedStringKey, id>* fAttributes;
@property(nonatomic) NSTimer* fTimer;
@property(nonatomic) NSLock* fLock;
- (void)resizeColumn;
- (BOOL)shouldIncludeMessageForFilter:(NSString*)filterString message:(NSDictionary*)message;
- (void)updateListForFilter;
- (NSString*)stringForMessage:(NSDictionary*)message;
@end
@implementation MessageWindowController
- (instancetype)init
{
return [super initWithWindowNibName:@"MessageWindow"];
}
- (void)awakeFromNib
{
NSWindow* window = self.window;
window.frameAutosaveName = @"MessageWindowFrame";
[window setFrameUsingName:@"MessageWindowFrame"];
window.restorationClass = [self class];
[NSNotificationCenter.defaultCenter addObserver:self selector:@selector(resizeColumn)
name:NSTableViewColumnDidResizeNotification
object:self.fMessageTable];
[window setContentBorderThickness:NSMinY(self.fMessageTable.enclosingScrollView.frame) forEdge:NSMinYEdge];
self.window.title = NSLocalizedString(@"Message Log", "Message window -> title");
//disable fullscreen support
window.collectionBehavior = NSWindowCollectionBehaviorFullScreenNone;
//set images and text for popup button items
[self.fLevelButton itemAtIndex:LEVEL_ERROR].title = NSLocalizedString(@"Error", "Message window -> level string");
[self.fLevelButton itemAtIndex:LEVEL_WARN].title = NSLocalizedString(@"Warning", "Message window -> level string");
[self.fLevelButton itemAtIndex:LEVEL_INFO].title = NSLocalizedString(@"Info", "Message window -> level string");
[self.fLevelButton itemAtIndex:LEVEL_DEBUG].title = NSLocalizedString(@"Debug", "Message window -> level string");
[self.fLevelButton itemAtIndex:LEVEL_TRACE].title = NSLocalizedString(@"Trace", "Message window -> level string");
[self.fLevelButton itemAtIndex:LEVEL_ERROR].image = [self.class iconForLevel:TR_LOG_ERROR];
[self.fLevelButton itemAtIndex:LEVEL_WARN].image = [self.class iconForLevel:TR_LOG_WARN];
[self.fLevelButton itemAtIndex:LEVEL_INFO].image = [self.class iconForLevel:TR_LOG_INFO];
[self.fLevelButton itemAtIndex:LEVEL_DEBUG].image = [self.class iconForLevel:TR_LOG_DEBUG];
[self.fLevelButton itemAtIndex:LEVEL_TRACE].image = [self.class iconForLevel:TR_LOG_TRACE];
CGFloat const levelButtonOldWidth = NSWidth(self.fLevelButton.frame);
[self.fLevelButton sizeToFit];
//set table column text
[self.fMessageTable tableColumnWithIdentifier:@"Date"].headerCell.title = NSLocalizedString(@"Date", "Message window -> table column");
[self.fMessageTable tableColumnWithIdentifier:@"Name"].headerCell.title = NSLocalizedString(@"Process", "Message window -> table column");
[self.fMessageTable tableColumnWithIdentifier:@"Message"].headerCell.title = NSLocalizedString(@"Message", "Message window -> table column");
//set and size buttons
self.fSaveButton.title = [NSLocalizedString(@"Save", "Message window -> save button") stringByAppendingEllipsis];
[self.fSaveButton sizeToFit];
NSRect saveButtonFrame = self.fSaveButton.frame;
saveButtonFrame.size.width += 10.0;
saveButtonFrame.origin.x += NSWidth(self.fLevelButton.frame) - levelButtonOldWidth;
self.fSaveButton.frame = saveButtonFrame;
CGFloat const oldClearButtonWidth = self.fClearButton.frame.size.width;
self.fClearButton.title = NSLocalizedString(@"Clear", "Message window -> save button");
[self.fClearButton sizeToFit];
NSRect clearButtonFrame = self.fClearButton.frame;
clearButtonFrame.size.width = MAX(clearButtonFrame.size.width + 10.0, saveButtonFrame.size.width);
clearButtonFrame.origin.x -= NSWidth(clearButtonFrame) - oldClearButtonWidth;
self.fClearButton.frame = clearButtonFrame;
[self.fFilterField.cell setPlaceholderString:NSLocalizedString(@"Filter", "Message window -> filter field")];
NSRect filterButtonFrame = self.fFilterField.frame;
filterButtonFrame.origin.x -= NSWidth(clearButtonFrame) - oldClearButtonWidth;
self.fFilterField.frame = filterButtonFrame;
self.fAttributes = [[[self.fMessageTable tableColumnWithIdentifier:@"Message"].dataCell attributedStringValue]
attributesAtIndex:0
effectiveRange:NULL];
//select proper level in popup button
switch ([NSUserDefaults.standardUserDefaults integerForKey:@"MessageLevel"])
{
case TR_LOG_ERROR:
[self.fLevelButton selectItemAtIndex:LEVEL_ERROR];
break;
case TR_LOG_WARN:
[self.fLevelButton selectItemAtIndex:LEVEL_WARN];
break;
case TR_LOG_INFO:
[self.fLevelButton selectItemAtIndex:LEVEL_INFO];
break;
case TR_LOG_DEBUG:
[self.fLevelButton selectItemAtIndex:LEVEL_DEBUG];
break;
case TR_LOG_TRACE:
[self.fLevelButton selectItemAtIndex:LEVEL_TRACE];
break;
default: //safety
[NSUserDefaults.standardUserDefaults setInteger:TR_LOG_ERROR forKey:@"MessageLevel"];
[self.fLevelButton selectItemAtIndex:LEVEL_ERROR];
}
self.fMessages = [[NSMutableArray alloc] init];
self.fDisplayedMessages = [[NSMutableArray alloc] init];
self.fLock = [[NSLock alloc] init];
}
- (void)dealloc
{
[NSNotificationCenter.defaultCenter removeObserver:self];
[_fTimer invalidate];
}
- (void)windowDidBecomeKey:(NSNotification*)notification
{
if (!self.fTimer)
{
self.fTimer = [NSTimer scheduledTimerWithTimeInterval:UPDATE_SECONDS target:self selector:@selector(updateLog:)
userInfo:nil
repeats:YES];
[self updateLog:nil];
}
}
- (void)windowWillClose:(id)sender
{
[self.fTimer invalidate];
self.fTimer = nil;
}
+ (void)restoreWindowWithIdentifier:(NSString*)identifier
state:(NSCoder*)state
completionHandler:(void (^)(NSWindow*, NSError*))completionHandler
{
NSAssert1([identifier isEqualToString:@"MessageWindow"], @"Trying to restore unexpected identifier %@", identifier);
NSWindow* window = ((Controller*)NSApp.delegate).messageWindowController.window;
completionHandler(window, nil);
}
- (void)window:(NSWindow*)window didDecodeRestorableState:(NSCoder*)coder
{
[self.fTimer invalidate];
self.fTimer = [NSTimer scheduledTimerWithTimeInterval:UPDATE_SECONDS target:self selector:@selector(updateLog:) userInfo:nil
repeats:YES];
[self updateLog:nil];
}
+ (NSImage*)iconForLevel:(NSInteger)level
{
NSColor* color;
switch (level)
{
case TR_LOG_CRITICAL:
case TR_LOG_ERROR:
color = NSColor.systemRedColor;
break;
case TR_LOG_WARN:
color = NSColor.systemOrangeColor;
break;
case TR_LOG_INFO:
color = NSColor.systemGreenColor;
break;
case TR_LOG_DEBUG:
color = NSColor.systemTealColor;
break;
case TR_LOG_TRACE:
color = NSColor.systemPurpleColor;
break;
default:
NSAssert1(NO, @"Unknown message log level: %ld", level);
return nil;
}
// cache dictionary
static NSMutableDictionary<NSColor*, NSImage*>* icons = [NSMutableDictionary dictionary];
NSImage* icon;
if ((icon = icons[color]))
{
return icon;
}
icon = [NSImage discIconWithColor:color insetFactor:0.5];
icons[color] = icon;
return icon;
}
- (void)updateLog:(NSTimer*)timer
{
tr_log_message* messages;
if ((messages = tr_logGetQueue()) == NULL)
{
return;
}
[self.fLock lock];
static NSUInteger currentIndex = 0;
NSScroller* scroller = self.fMessageTable.enclosingScrollView.verticalScroller;
BOOL const shouldScroll = currentIndex == 0 || scroller.floatValue == 1.0 || scroller.hidden || scroller.knobProportion == 1.0;
NSInteger const maxLevel = [NSUserDefaults.standardUserDefaults integerForKey:@"MessageLevel"];
NSString* filterString = self.fFilterField.stringValue;
BOOL changed = NO;
for (tr_log_message* currentMessage = messages; currentMessage != NULL; currentMessage = currentMessage->next)
{
NSString* name = currentMessage->name != NULL ? @(currentMessage->name) : NSProcessInfo.processInfo.processName;
NSString* file = [(@(currentMessage->file)).lastPathComponent stringByAppendingFormat:@":%d", currentMessage->line];
NSDictionary* message = @{
@"Message" : @(currentMessage->message),
@"Date" : [NSDate dateWithTimeIntervalSince1970:currentMessage->when],
@"Index" : @(currentIndex++), //more accurate when sorting by date
@"Level" : @(currentMessage->level),
@"Name" : name,
@"File" : file
};
[self.fMessages addObject:message];
if (currentMessage->level <= maxLevel && [self shouldIncludeMessageForFilter:filterString message:message])
{
[self.fDisplayedMessages addObject:message];
changed = YES;
}
}
if (self.fMessages.count > TR_LOG_MAX_QUEUE_LENGTH)
{
NSUInteger const oldCount = self.fDisplayedMessages.count;
NSIndexSet* removeIndexes = [NSIndexSet indexSetWithIndexesInRange:NSMakeRange(0, self.fMessages.count - TR_LOG_MAX_QUEUE_LENGTH)];
NSArray* itemsToRemove = [self.fMessages objectsAtIndexes:removeIndexes];
[self.fMessages removeObjectsAtIndexes:removeIndexes];
[self.fDisplayedMessages removeObjectsInArray:itemsToRemove];
changed |= oldCount > self.fDisplayedMessages.count;
}
if (changed)
{
[self.fDisplayedMessages sortUsingDescriptors:self.fMessageTable.sortDescriptors];
[self.fMessageTable reloadData];
if (shouldScroll)
[self.fMessageTable scrollRowToVisible:self.fMessageTable.numberOfRows - 1];
}
[self.fLock unlock];
tr_logFreeQueue(messages);
}
- (NSInteger)numberOfRowsInTableView:(NSTableView*)tableView
{
return self.fDisplayedMessages.count;
}
- (id)tableView:(NSTableView*)tableView objectValueForTableColumn:(NSTableColumn*)column row:(NSInteger)row
{
NSString* ident = column.identifier;
NSDictionary* message = self.fDisplayedMessages[row];
if ([ident isEqualToString:@"Date"])
{
return message[@"Date"];
}
else if ([ident isEqualToString:@"Level"])
{
NSInteger const level = [message[@"Level"] integerValue];
return [self.class iconForLevel:level];
}
else if ([ident isEqualToString:@"Name"])
{
return message[@"Name"];
}
else
{
return message[@"Message"];
}
}
#warning don't cut off end
- (CGFloat)tableView:(NSTableView*)tableView heightOfRow:(NSInteger)row
{
NSString* message = self.fDisplayedMessages[row][@"Message"];
NSTableColumn* column = [tableView tableColumnWithIdentifier:@"Message"];
CGFloat const count = floorf([message sizeWithAttributes:self.fAttributes].width / column.width);
return tableView.rowHeight * (count + 1.0);
}
- (void)tableView:(NSTableView*)tableView sortDescriptorsDidChange:(NSArray*)oldDescriptors
{
[self.fDisplayedMessages sortUsingDescriptors:self.fMessageTable.sortDescriptors];
[self.fMessageTable reloadData];
}
- (NSString*)tableView:(NSTableView*)tableView
toolTipForCell:(NSCell*)cell
rect:(NSRectPointer)rect
tableColumn:(NSTableColumn*)column
row:(NSInteger)row
mouseLocation:(NSPoint)mouseLocation
{
NSDictionary* message = self.fDisplayedMessages[row];
return message[@"File"];
}
- (void)copy:(id)sender
{
NSIndexSet* indexes = self.fMessageTable.selectedRowIndexes;
NSMutableArray* messageStrings = [NSMutableArray arrayWithCapacity:indexes.count];
for (NSDictionary* message in [self.fDisplayedMessages objectsAtIndexes:indexes])
{
[messageStrings addObject:[self stringForMessage:message]];
}
NSString* messageString = [messageStrings componentsJoinedByString:@"\n"];
NSPasteboard* pb = NSPasteboard.generalPasteboard;
[pb clearContents];
[pb writeObjects:@[ messageString ]];
}
- (BOOL)validateMenuItem:(NSMenuItem*)menuItem
{
SEL action = menuItem.action;
if (action == @selector(copy:))
{
return self.fMessageTable.numberOfSelectedRows > 0;
}
return YES;
}
- (void)changeLevel:(id)sender
{
NSInteger level;
switch (self.fLevelButton.indexOfSelectedItem)
{
case LEVEL_ERROR:
level = TR_LOG_ERROR;
break;
case LEVEL_WARN:
level = TR_LOG_WARN;
break;
case LEVEL_INFO:
level = TR_LOG_INFO;
break;
case LEVEL_DEBUG:
level = TR_LOG_DEBUG;
break;
case LEVEL_TRACE:
level = TR_LOG_TRACE;
break;
default:
NSAssert1(NO, @"Unknown message log level: %ld", [self.fLevelButton indexOfSelectedItem]);
level = TR_LOG_INFO;
}
if ([NSUserDefaults.standardUserDefaults integerForKey:@"MessageLevel"] == level)
{
return;
}
[NSUserDefaults.standardUserDefaults setInteger:level forKey:@"MessageLevel"];
[self.fLock lock];
[self updateListForFilter];
[self.fLock unlock];
}
- (void)changeFilter:(id)sender
{
[self.fLock lock];
[self updateListForFilter];
[self.fLock unlock];
}
- (void)clearLog:(id)sender
{
[self.fLock lock];
[self.fMessages removeAllObjects];
[self.fMessageTable beginUpdates];
[self.fMessageTable removeRowsAtIndexes:[NSIndexSet indexSetWithIndexesInRange:NSMakeRange(0, self.fDisplayedMessages.count)]
withAnimation:NSTableViewAnimationSlideLeft];
[self.fDisplayedMessages removeAllObjects];
[self.fMessageTable endUpdates];
[self.fLock unlock];
}
- (void)writeToFile:(id)sender
{
NSSavePanel* panel = [NSSavePanel savePanel];
panel.allowedFileTypes = @[ @"txt" ];
panel.canSelectHiddenExtension = YES;
panel.nameFieldStringValue = NSLocalizedString(@"untitled", "Save log panel -> default file name");
[panel beginSheetModalForWindow:self.window completionHandler:^(NSInteger result) {
if (result == NSModalResponseOK)
{
//make the array sorted by date
NSSortDescriptor* descriptor = [NSSortDescriptor sortDescriptorWithKey:@"Index" ascending:YES];
NSArray* descriptors = @[ descriptor ];
NSArray* sortedMessages = [self.fDisplayedMessages sortedArrayUsingDescriptors:descriptors];
//create the text to output
NSMutableArray* messageStrings = [NSMutableArray arrayWithCapacity:sortedMessages.count];
for (NSDictionary* message in sortedMessages)
{
[messageStrings addObject:[self stringForMessage:message]];
}
NSString* fileString = [messageStrings componentsJoinedByString:@"\n"];
if (![fileString writeToFile:panel.URL.path atomically:YES encoding:NSUTF8StringEncoding error:nil])
{
NSAlert* alert = [[NSAlert alloc] init];
[alert addButtonWithTitle:NSLocalizedString(@"OK", "Save log alert panel -> button")];
alert.messageText = NSLocalizedString(@"Log Could Not Be Saved", "Save log alert panel -> title");
alert.informativeText = [NSString
stringWithFormat:NSLocalizedString(@"There was a problem creating the file \"%@\".", "Save log alert panel -> message"),
panel.URL.path.lastPathComponent];
alert.alertStyle = NSAlertStyleWarning;
[alert runModal];
}
}
}];
}
#pragma mark - Private
- (void)resizeColumn
{
[self.fMessageTable
noteHeightOfRowsWithIndexesChanged:[NSIndexSet indexSetWithIndexesInRange:NSMakeRange(0, self.fMessageTable.numberOfRows)]];
}
- (BOOL)shouldIncludeMessageForFilter:(NSString*)filterString message:(NSDictionary*)message
{
if ([filterString isEqualToString:@""])
{
return YES;
}
NSStringCompareOptions const searchOptions = NSCaseInsensitiveSearch | NSDiacriticInsensitiveSearch;
return [message[@"Name"] rangeOfString:filterString options:searchOptions].location != NSNotFound ||
[message[@"Message"] rangeOfString:filterString options:searchOptions].location != NSNotFound;
}
- (void)updateListForFilter
{
NSInteger const level = [NSUserDefaults.standardUserDefaults integerForKey:@"MessageLevel"];
NSString* filterString = self.fFilterField.stringValue;
NSIndexSet* indexes = [self.fMessages
indexesOfObjectsWithOptions:NSEnumerationConcurrent passingTest:^BOOL(NSDictionary* message, NSUInteger idx, BOOL* stop) {
return [message[@"Level"] integerValue] <= level && [self shouldIncludeMessageForFilter:filterString message:message];
}];
NSArray* tempMessages = [[self.fMessages objectsAtIndexes:indexes] sortedArrayUsingDescriptors:self.fMessageTable.sortDescriptors];
[self.fMessageTable beginUpdates];
//figure out which rows were added/moved
NSUInteger currentIndex = 0, totalCount = 0;
NSMutableArray* itemsToAdd = [NSMutableArray array];
NSMutableIndexSet* itemsToAddIndexes = [NSMutableIndexSet indexSet];
for (NSDictionary* message in tempMessages)
{
NSUInteger const previousIndex = [self.fDisplayedMessages
indexOfObject:message
inRange:NSMakeRange(currentIndex, self.fDisplayedMessages.count - currentIndex)];
if (previousIndex == NSNotFound)
{
[itemsToAdd addObject:message];
[itemsToAddIndexes addIndex:totalCount];
}
else
{
if (previousIndex != currentIndex)
{
[self.fDisplayedMessages moveObjectAtIndex:previousIndex toIndex:currentIndex];
[self.fMessageTable moveRowAtIndex:previousIndex toIndex:currentIndex];
}
++currentIndex;
}
++totalCount;
}
//remove trailing items - those are the unused
if (currentIndex < self.fDisplayedMessages.count)
{
NSRange const removeRange = NSMakeRange(currentIndex, self.fDisplayedMessages.count - currentIndex);
[self.fDisplayedMessages removeObjectsInRange:removeRange];
[self.fMessageTable removeRowsAtIndexes:[NSIndexSet indexSetWithIndexesInRange:removeRange]
withAnimation:NSTableViewAnimationSlideDown];
}
//add new items
[self.fDisplayedMessages insertObjects:itemsToAdd atIndexes:itemsToAddIndexes];
[self.fMessageTable insertRowsAtIndexes:itemsToAddIndexes withAnimation:NSTableViewAnimationSlideUp];
[self.fMessageTable endUpdates];
NSAssert2([self.fDisplayedMessages isEqualToArray:tempMessages], @"Inconsistency between message arrays! %@ %@", self.fDisplayedMessages, tempMessages);
}
- (NSString*)stringForMessage:(NSDictionary*)message
{
NSString* levelString;
NSInteger const level = [message[@"Level"] integerValue];
switch (level)
{
case TR_LOG_ERROR:
levelString = NSLocalizedString(@"Error", "Message window -> level");
break;
case TR_LOG_WARN:
levelString = NSLocalizedString(@"Warning", "Message window -> level");
break;
case TR_LOG_INFO:
levelString = NSLocalizedString(@"Info", "Message window -> level");
break;
case TR_LOG_DEBUG:
levelString = NSLocalizedString(@"Debug", "Message window -> level");
break;
case TR_LOG_TRACE:
levelString = NSLocalizedString(@"Trace", "Message window -> level");
break;
default:
NSAssert1(NO, @"Unknown message log level: %ld", level);
levelString = @"?";
}
return [NSString
stringWithFormat:@"%@ %@ [%@] %@: %@", message[@"Date"], message[@"File"], levelString, message[@"Name"], message[@"Message"], nil];
}
@end