user style-sheet from Application Support/GitX/Custom.css

Classes/Util/NSFileManager+DirectoryLocations.h

@@ -0,0 +1,36 @@
+//
+//  NSFileManager+DirectoryLocations.h
+//
+//  Created by Matt Gallagher on 06 May 2010
+//
+//  This software is provided 'as-is', without any express or implied
+//  warranty. In no event will the authors be held liable for any damages
+//  arising from the use of this software. Permission is granted to anyone to
+//  use this software for any purpose, including commercial applications, and to
+//  alter it and redistribute it freely, subject to the following restrictions:
+//
+//  1. The origin of this software must not be misrepresented; you must not
+//     claim that you wrote the original software. If you use this software
+//     in a product, an acknowledgment in the product documentation would be
+//     appreciated but is not required.
+//  2. Altered source versions must be plainly marked as such, and must not be
+//     misrepresented as being the original software.
+//  3. This notice may not be removed or altered from any source
+//     distribution.
+//
+
+#import <Foundation/Foundation.h>
+
+//
+// DirectoryLocations is a set of global methods for finding the fixed location
+// directoriess.
+//
+@interface NSFileManager (DirectoryLocations)
+
+- (NSString *)findOrCreateDirectory:(NSSearchPathDirectory)searchPathDirectory
+	inDomain:(NSSearchPathDomainMask)domainMask
+	appendPathComponent:(NSString *)appendComponent
+	error:(NSError **)errorOut;
+- (NSString *)applicationSupportDirectory;
+
+@end

Classes/Util/NSFileManager+DirectoryLocations.m

@@ -0,0 +1,155 @@
+//
+//  NSFileManager+DirectoryLocations.m
+//
+//  Created by Matt Gallagher on 06 May 2010
+//
+//  This software is provided 'as-is', without any express or implied
+//  warranty. In no event will the authors be held liable for any damages
+//  arising from the use of this software. Permission is granted to anyone to
+//  use this software for any purpose, including commercial applications, and to
+//  alter it and redistribute it freely, subject to the following restrictions:
+//
+//  1. The origin of this software must not be misrepresented; you must not
+//     claim that you wrote the original software. If you use this software
+//     in a product, an acknowledgment in the product documentation would be
+//     appreciated but is not required.
+//  2. Altered source versions must be plainly marked as such, and must not be
+//     misrepresented as being the original software.
+//  3. This notice may not be removed or altered from any source
+//     distribution.
+//
+
+#import "NSFileManager+DirectoryLocations.h"
+
+enum
+{
+	DirectoryLocationErrorNoPathFound,
+	DirectoryLocationErrorFileExistsAtLocation
+};
+
+NSString * const DirectoryLocationDomain = @"DirectoryLocationDomain";
+
+@implementation NSFileManager (DirectoryLocations)
+
+//
+// findOrCreateDirectory:inDomain:appendPathComponent:error:
+//
+// Method to tie together the steps of:
+//	1) Locate a standard directory by search path and domain mask
+//  2) Select the first path in the results
+//	3) Append a subdirectory to that path
+//	4) Create the directory and intermediate directories if needed
+//	5) Handle errors by emitting a proper NSError object
+//
+// Parameters:
+//    searchPathDirectory - the search path passed to NSSearchPathForDirectoriesInDomains
+//    domainMask - the domain mask passed to NSSearchPathForDirectoriesInDomains
+//    appendComponent - the subdirectory appended
+//    errorOut - any error from file operations
+//
+// returns the path to the directory (if path found and exists), nil otherwise
+//
+- (NSString *)findOrCreateDirectory:(NSSearchPathDirectory)searchPathDirectory
+	inDomain:(NSSearchPathDomainMask)domainMask
+	appendPathComponent:(NSString *)appendComponent
+	error:(NSError **)errorOut
+{
+	//
+	// Search for the path
+	//
+	NSArray* paths = NSSearchPathForDirectoriesInDomains(
+		searchPathDirectory,
+		domainMask,
+		YES);
+	if ([paths count] == 0)
+	{
+		if (errorOut)
+		{
+			NSDictionary *userInfo =
+				[NSDictionary dictionaryWithObjectsAndKeys:
+					NSLocalizedStringFromTable(
+						@"No path found for directory in domain.",
+						@"Errors",
+					nil),
+					NSLocalizedDescriptionKey,
+					[NSNumber numberWithInteger:searchPathDirectory],
+					@"NSSearchPathDirectory",
+					[NSNumber numberWithInteger:domainMask],
+					@"NSSearchPathDomainMask",
+				nil];
+			*errorOut =
+				[NSError 
+					errorWithDomain:DirectoryLocationDomain
+					code:DirectoryLocationErrorNoPathFound
+					userInfo:userInfo];
+		}
+		return nil;
+	}
+
+	//
+	// Normally only need the first path returned
+	//
+	NSString *resolvedPath = [paths objectAtIndex:0];
+
+	//
+	// Append the extra path component
+	//
+	if (appendComponent)
+	{
+		resolvedPath = [resolvedPath
+			stringByAppendingPathComponent:appendComponent];
+	}
+
+	//
+	// Create the path if it doesn't exist
+	//
+	NSError *error = nil;
+	BOOL success = [self
+		createDirectoryAtPath:resolvedPath
+		withIntermediateDirectories:YES
+		attributes:nil
+		error:&error];
+	if (!success) 
+	{
+		if (errorOut)
+		{
+			*errorOut = error;
+		}
+		return nil;
+	}
+
+	//
+	// If we've made it this far, we have a success
+	//
+	if (errorOut)
+	{
+		*errorOut = nil;
+	}
+	return resolvedPath;
+}
+
+//
+// applicationSupportDirectory
+//
+// Returns the path to the applicationSupportDirectory (creating it if it doesn't
+// exist).
+//
+- (NSString *)applicationSupportDirectory
+{
+	NSString *executableName =
+		[[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleExecutable"];
+	NSError *error;
+	NSString *result =
+		[self
+			findOrCreateDirectory:NSApplicationSupportDirectory
+			inDomain:NSUserDomainMask
+			appendPathComponent:executableName
+			error:&error];
+	if (!result)
+	{
+		NSLog(@"Unable to find or create application support directory:\n%@", error);
+	}
+	return result;
+}
+
+@end

Classes/git/PBGitXProtocol.m

@@ -8,6 +8,7 @@
 
 #import "PBGitXProtocol.h"
 
+#import "NSFileManager+DirectoryLocations.h"
 
 @implementation PBGitXProtocol
 
@@ -24,15 +25,45 @@ + (NSURLRequest *)canonicalRequestForRequest:(NSURLRequest *)request
 -(void)startLoading
 {
     NSURL *url = [[self request] URL];
+
+    if ([[url host] isEqualToString:@"custom.css"]) {
+        [self startLoadingCustomCSS];
+        return;
+    }
+
 	PBGitRepository *repo = [[self request] repository];
-
-	if(!repo) {
-		[[self client] URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:0 userInfo:nil]];
-		return;
+    NSString * commit = [url host];
+    NSString * filepath = [url path];
+	if (repo) {
+        [self startLoadingGitFile:filepath atCommit:commit withRepository:repo];
+        return;
     }
+
+    [[self client] URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:0 userInfo:nil]];
+}
+
+- (void)startLoadingCustomCSS
+{
+    NSString * filepath = [[[NSFileManager defaultManager] applicationSupportDirectory] stringByAppendingPathComponent:@"Custom.css"];
+    NSFileHandle * filehandle = [NSFileHandle fileHandleForReadingAtPath:[filepath stringByExpandingTildeInPath]];
+    [self startLoadingToEndOfFileHandle:filehandle];
+}
 
-	NSString *specifier = [NSString stringWithFormat:@"%@:%@", [url host], [[url path] substringFromIndex:1]];
-	handle = [repo handleInWorkDirForArguments:[NSArray arrayWithObjects:@"cat-file", @"blob", specifier, nil]];
+- (void)startLoadingGitFile:(NSString *)filepath atCommit:(NSString *)commit withRepository:(PBGitRepository *)repo
+{
+    NSString *specifier = [NSString stringWithFormat:@"%@:%@", commit, [filepath substringFromIndex:1]];
+	NSFileHandle * filehandle = [repo handleInWorkDirForArguments:[NSArray arrayWithObjects:@"cat-file", @"blob", specifier, nil]];
+    [self startLoadingToEndOfFileHandle:filehandle];
+}
+
+- (void)startLoadingToEndOfFileHandle:(NSFileHandle *)handle_
+{
+    if (handle_ == nil) {
+        [[self client] URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:0 userInfo:nil]];
+        return;
+    }
+
+    handle = handle_;
 	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(didFinishFileLoad:) name:NSFileHandleReadToEndOfFileCompletionNotification object:handle];
 	[handle readToEndOfFileInBackgroundAndNotify];
 

GitX.xcodeproj/project.pbxproj

@@ -181,6 +181,8 @@
 		8D11072F0486CEB800E47090 /* Cocoa.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 1058C7A1FEA54F0111CA2CBB /* Cocoa.framework */; };
 		911112370E5A097800BF76B4 /* Security.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 911112360E5A097800BF76B4 /* Security.framework */; };
 		913D5E500E55645900CECEA2 /* gitx in Resources */ = {isa = PBXBuildFile; fileRef = 913D5E490E55644600CECEA2 /* gitx */; };
+		A27BDC65182267E600251A23 /* NSFileManager+DirectoryLocations.m in Sources */ = {isa = PBXBuildFile; fileRef = A27BDC64182267E600251A23 /* NSFileManager+DirectoryLocations.m */; };
+		A27BDC66182267E600251A23 /* NSFileManager+DirectoryLocations.m in Sources */ = {isa = PBXBuildFile; fileRef = A27BDC64182267E600251A23 /* NSFileManager+DirectoryLocations.m */; };
 		BC0444AD17648CC900353E6D /* AddRemoteTemplate.png in Resources */ = {isa = PBXBuildFile; fileRef = BC0444AC17648CC900353E6D /* AddRemoteTemplate.png */; };
 		BC0444B817648D0200353E6D /* BranchHighlighted.png in Resources */ = {isa = PBXBuildFile; fileRef = BC0444B717648D0200353E6D /* BranchHighlighted.png */; };
 		BC0444BA17648DA800353E6D /* FolderHighlighted.png in Resources */ = {isa = PBXBuildFile; fileRef = BC0444B917648DA700353E6D /* FolderHighlighted.png */; };
@@ -644,6 +646,8 @@
 		8D1107320486CEB800E47090 /* GitX.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = GitX.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		911112360E5A097800BF76B4 /* Security.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Security.framework; path = /System/Library/Frameworks/Security.framework; sourceTree = "<absolute>"; };
 		913D5E490E55644600CECEA2 /* gitx */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = gitx; sourceTree = BUILT_PRODUCTS_DIR; };
+		A27BDC63182267E600251A23 /* NSFileManager+DirectoryLocations.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "NSFileManager+DirectoryLocations.h"; sourceTree = "<group>"; };
+		A27BDC64182267E600251A23 /* NSFileManager+DirectoryLocations.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "NSFileManager+DirectoryLocations.m"; sourceTree = "<group>"; };
 		BC0444AC17648CC900353E6D /* AddRemoteTemplate.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = AddRemoteTemplate.png; sourceTree = "<group>"; };
 		BC0444B717648D0200353E6D /* BranchHighlighted.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = BranchHighlighted.png; sourceTree = "<group>"; };
 		BC0444B917648DA700353E6D /* FolderHighlighted.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = FolderHighlighted.png; sourceTree = "<group>"; };
@@ -1104,6 +1108,8 @@
 		4A5D76A414A9A9CC00DF6C68 /* Util */ = {
 			isa = PBXGroup;
 			children = (
+				A27BDC63182267E600251A23 /* NSFileManager+DirectoryLocations.h */,
+				A27BDC64182267E600251A23 /* NSFileManager+DirectoryLocations.m */,
 				4A5D76A514A9A9CC00DF6C68 /* NSApplication+GitXScripting.h */,
 				4A5D76A614A9A9CC00DF6C68 /* NSApplication+GitXScripting.m */,
 				4A5D76A714A9A9CC00DF6C68 /* NSFileHandleExt.h */,
@@ -1564,6 +1570,7 @@
 				4A5D76E914A9A9CC00DF6C68 /* PBGitWindowController.m in Sources */,
 				4A5D76EA14A9A9CC00DF6C68 /* PBHistorySearchController.m in Sources */,
 				4A5D76EB14A9A9CC00DF6C68 /* PBPrefsWindowController.m in Sources */,
+				A27BDC65182267E600251A23 /* NSFileManager+DirectoryLocations.m in Sources */,
 				4A5D76EC14A9A9CC00DF6C68 /* PBRefController.m in Sources */,
 				4A5D76ED14A9A9CC00DF6C68 /* PBRepositoryDocumentController.m in Sources */,
 				4A5D76EE14A9A9CC00DF6C68 /* PBServicesController.m in Sources */,
@@ -1650,6 +1657,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				4A5D773A14A9A9F600DF6C68 /* gitx.m in Sources */,
+				A27BDC66182267E600251A23 /* NSFileManager+DirectoryLocations.m in Sources */,
 				4A5D773C14A9AA2F00DF6C68 /* PBGitBinary.m in Sources */,
 				4A5D773D14A9AA3700DF6C68 /* PBEasyPipe.m in Sources */,
 				4AB057E41652652000DE751D /* GitRepoFinder.m in Sources */,

html/views/commit/index.html

@@ -9,6 +9,7 @@
 	<script src="../../lib/keyboardNavigation.js" type="text/javascript" charset="utf-8"></script>
 
 	<link rel="stylesheet" href="commit.css" type="text/css" media="screen" title="no title" charset="utf-8">
+	<link rel="stylesheet" href="GitX://custom.css" type="text/css" media="screen" title="no title" charset="utf-8">
 	<script src="commit.js" type="text/javascript" charset="utf-8"></script>
 	<script src="multipleSelection.js" type="text/javascript" charset="utf-8"></script>
 </head>

html/views/diff/index.html

@@ -9,6 +9,7 @@
 	<script src="../../lib/keyboardNavigation.js" type="text/javascript" charset="utf-8"></script>
 
 	<link rel="stylesheet" href="diffWindow.css" type="text/css" media="screen" title="no title" charset="utf-8">
+	<link rel="stylesheet" href="GitX://custom.css" type="text/css" media="screen" title="no title" charset="utf-8">
 	<script src="diffWindow.js" type="text/javascript" charset="utf-8"></script>
 
 	<script type="text/javascript" charset="utf-8">

html/views/history/index.html

@@ -9,6 +9,7 @@
 	<script src="../../lib/keyboardNavigation.js" type="text/javascript" charset="utf-8"></script>
 
 	<link rel="stylesheet" href="history.css" type="text/css" media="screen" title="no title" charset="utf-8">
+	<link rel="stylesheet" href="GitX://custom.css" type="text/css" media="screen" title="no title" charset="utf-8">
 	<script src="history.js" type="text/javascript" charset="utf-8"></script>
 </head>