src/chrome/browser/ui/cocoa/about_ipc_controller.mm

   1 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/logging.h"
   6 #include "base/mac/bundle_locations.h"
   7 #include "base/mac/mac_util.h"
   8 #include "base/strings/string_util.h"
   9 #include "base/strings/sys_string_conversions.h"
  10 #include "base/time/time.h"
  11 #import "chrome/browser/ui/cocoa/about_ipc_controller.h"
  12 #include "content/public/browser/browser_ipc_logging.h"
  13
  14 #if defined(IPC_MESSAGE_LOG_ENABLED)
  15
  16 @implementation CocoaLogData
  17
  18 - (id)initWithLogData:(const IPC::LogData&)data {
  19   if ((self = [super init])) {
  20     data_ = data;
  21     // data_.message_name may not have been filled in if it originated
  22     // somewhere other than the browser process.
  23     if (data_.message_name == "")
  24       IPC::Logging::GetMessageText(data_.type, &data_.message_name, NULL, NULL);
  25   }
  26   return self;
  27 }
  28
  29 - (NSString*)time {
  30   base::Time t = base::Time::FromInternalValue(data_.sent);
  31   base::Time::Exploded exploded;
  32   t.LocalExplode(&exploded);
  33   return [NSString stringWithFormat:@"%02d:%02d:%02d.%03d",
  34                    exploded.hour, exploded.minute,
  35                    exploded.second, exploded.millisecond];
  36 }
  37
  38 - (NSString*)channel {
  39   return base::SysUTF8ToNSString(data_.channel);
  40 }
  41
  42 - (NSString*)message {
  43   if (data_.message_name == "") {
  44     int high = data_.type >> 12;
  45     int low = data_.type - (high<<12);
  46     return [NSString stringWithFormat:@"type=(%d,%d) 0x%x,0x%x",
  47                      high, low, high, low];
  48   }
  49   else {
  50     return base::SysUTF8ToNSString(data_.message_name);
  51   }
  52 }
  53
  54 - (NSString*)flags {
  55   return base::SysUTF8ToNSString(data_.flags);
  56 }
  57
  58 - (NSString*)dispatch {
  59   base::Time sent = base::Time::FromInternalValue(data_.sent);
  60   int64 delta = (base::Time::FromInternalValue(data_.receive) -
  61                  sent).InMilliseconds();
  62   return [NSString stringWithFormat:@"%d", delta ? (int)delta : 0];
  63 }
  64
  65 - (NSString*)process {
  66   base::TimeDelta delta = (base::Time::FromInternalValue(data_.dispatch) -
  67                            base::Time::FromInternalValue(data_.receive));
  68   int64 t = delta.InMilliseconds();
  69   return [NSString stringWithFormat:@"%d", t ? (int)t : 0];
  70 }
  71
  72 - (NSString*)parameters {
  73   return base::SysUTF8ToNSString(data_.params);
  74 }
  75
  76 @end
  77
  78 namespace {
  79 AboutIPCController* gSharedController = nil;
  80 }
  81
  82 @implementation AboutIPCController
  83
  84 + (AboutIPCController*)sharedController {
  85   if (gSharedController == nil)
  86     gSharedController = [[AboutIPCController alloc] init];
  87   return gSharedController;
  88 }
  89
  90 - (id)init {
  91   NSString* nibpath = [base::mac::FrameworkBundle() pathForResource:@"AboutIPC"
  92                                                              ofType:@"nib"];
  93   if ((self = [super initWithWindowNibPath:nibpath owner:self])) {
  94     // Default to all on
  95     appCache_ = view_ = utilityHost_ = viewHost_ = plugin_ =
  96       npObject_ = devTools_ = pluginProcessing_ = userString1_ =
  97       userString2_ = userString3_ = YES;
  98   }
  99   return self;
 100 }
 101
 102 - (void)dealloc {
 103   if (gSharedController == self)
 104     gSharedController = nil;
 105   content::EnableIPCLogging(false);  // just in case...
 106   IPC::Logging::GetInstance()->SetConsumer(NULL);
 107   [super dealloc];
 108 }
 109
 110 - (void)awakeFromNib {
 111   // Running Chrome with the --ipc-logging switch might cause it to
 112   // be enabled before the about:ipc window comes up; accomodate.
 113   [self updateVisibleRunState];
 114
 115   // We are now able to display information, so let'er rip.
 116   bridge_.reset(new AboutIPCBridge(self));
 117   IPC::Logging::GetInstance()->SetConsumer(bridge_.get());
 118 }
 119
 120 // Delegate callback.  Closing the window means there is no more need
 121 // for the me, the controller.
 122 - (void)windowWillClose:(NSNotification*)notification {
 123   [self autorelease];
 124 }
 125
 126 - (void)updateVisibleRunState {
 127   if (IPC::Logging::GetInstance()->Enabled())
 128     [startStopButton_ setTitle:@"Stop"];
 129   else
 130     [startStopButton_ setTitle:@"Start"];
 131 }
 132
 133 - (IBAction)startStop:(id)sender {
 134   content::EnableIPCLogging(!IPC::Logging::GetInstance()->Enabled());
 135   [self updateVisibleRunState];
 136 }
 137
 138 - (IBAction)clear:(id)sender {
 139   [dataController_ setContent:[NSMutableArray array]];
 140   [eventCount_ setStringValue:@"0"];
 141   [filteredEventCount_ setStringValue:@"0"];
 142   filteredEventCounter_ = 0;
 143 }
 144
 145 // Return YES if we should filter this out; else NO.
 146 // Just to be clear, [@"any string" hasPrefix:@""] returns NO.
 147 - (BOOL)filterOut:(CocoaLogData*)data {
 148   NSString* name = [data message];
 149   if ((appCache_) && [name hasPrefix:@"AppCache"])
 150     return NO;
 151   if ((view_) && [name hasPrefix:@"ViewMsg"])
 152     return NO;
 153   if ((utilityHost_) && [name hasPrefix:@"UtilityHost"])
 154     return NO;
 155   if ((viewHost_) && [name hasPrefix:@"ViewHost"])
 156     return NO;
 157   if ((plugin_) && [name hasPrefix:@"PluginMsg"])
 158     return NO;
 159   if ((npObject_) && [name hasPrefix:@"NPObject"])
 160     return NO;
 161   if ((devTools_) && [name hasPrefix:@"DevTools"])
 162     return NO;
 163   if ((pluginProcessing_) && [name hasPrefix:@"PluginProcessing"])
 164     return NO;
 165   if ((userString1_) && ([name hasPrefix:[userStringTextField1_ stringValue]]))
 166     return NO;
 167   if ((userString2_) && ([name hasPrefix:[userStringTextField2_ stringValue]]))
 168     return NO;
 169   if ((userString3_) && ([name hasPrefix:[userStringTextField3_ stringValue]]))
 170     return NO;
 171
 172   // Special case the unknown type.
 173   if ([name hasPrefix:@"type="])
 174     return NO;
 175
 176   return YES;  // filter out.
 177 }
 178
 179 - (void)log:(CocoaLogData*)data {
 180   if ([self filterOut:data]) {
 181     [filteredEventCount_ setStringValue:[NSString stringWithFormat:@"%d",
 182                                                   ++filteredEventCounter_]];
 183     return;
 184   }
 185   [dataController_ addObject:data];
 186   NSUInteger count = [[dataController_ arrangedObjects] count];
 187   // Uncomment if you want scroll-to-end behavior... but seems expensive.
 188   // [tableView_ scrollRowToVisible:count-1];
 189   [eventCount_ setStringValue:[NSString stringWithFormat:@"%ld",
 190                                static_cast<long>(count)]];
 191 }
 192
 193 - (void)setDisplayViewMessages:(BOOL)display {
 194   view_ = display;
 195 }
 196
 197 @end
 198
 199 #endif  // IPC_MESSAGE_LOG_ENABLED
 200