Source/PreferencesController.m

   1 /*
   2  * MacGDBp
   3  * Copyright (c) 2007 - 2011, Blue Static <http://www.bluestatic.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify it under the terms of the GNU
   6  * General Public License as published by the Free Software Foundation; either version 2 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
  10  * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along with this program; if not,
  14  * write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  15  */
  16
  17 #import "PreferencesController.h"
  18
  19 @implementation PreferencesController {
  20   NSView* _blankView;
  21
  22   NSSize _generalSize, _fileAccessSize, _pathsSize;
  23 }
  24
  25 /**
  26  * Loads the NIB and shows the preferences
  27  */
  28 - (id)init
  29 {
  30   if (self = [super initWithWindowNibName:@"Preferences"])
  31   {
  32     _blankView = [[NSView alloc] init];
  33   }
  34   return self;
  35 }
  36
  37 - (void)awakeFromNib
  38 {
  39   _generalSize = self.generalPreferencesView.frame.size;
  40 #if USE_APP_SANDBOX
  41   _fileAccessSize = self.fileAccessPreferencesView.frame.size;
  42 #else
  43   NSUInteger i = [self.toolbar.items indexOfObject:self.fileAccessPreferencesItem];
  44   if (i != NSNotFound)
  45     [self.toolbar removeItemAtIndex:i];
  46 #endif
  47   _pathsSize = self.pathsPreferencesView.frame.size;
  48 }
  49
  50 /**
  51  * Shows the preferences controller window
  52  */
  53 - (void)showPreferencesWindow
  54 {
  55   NSWindow* window = self.window;  // Force the window to load.
  56   [self showGeneral:self];
  57   [window center];
  58   [window makeKeyAndOrderFront:self];
  59 }
  60
  61 /**
  62  * Brings up a file picker to grant read-only file access to the selected path,
  63  * which is then persisted across application restarts.
  64  */
  65 - (IBAction)addFileAccess:(id)sender
  66 {
  67 #if USE_APP_SANDBOX
  68   NSOpenPanel* panel = [NSOpenPanel openPanel];
  69   panel.canChooseDirectories = YES;
  70   panel.canChooseFiles = NO;
  71   if ([panel runModal] != NSOKButton)
  72     return;
  73
  74   NSURL* url = panel.URL;
  75
  76   NSData* secureBookmark = [self.class secureBookmarkDataForURL:url];
  77   if (!secureBookmark)
  78     return;
  79
  80   NSDictionaryControllerKeyValuePair* pair = [self.fileAccessController newObject];
  81   pair.key = url.absoluteString;
  82   pair.value = secureBookmark;
  83   [self.fileAccessController addObject:pair];
  84 #else
  85   NSAssert(NO, @"not reached");
  86 #endif
  87 }
  88
  89 #if USE_APP_SANDBOX
  90 + (NSData*)secureBookmarkDataForURL:(NSURL*)url
  91 {
  92    NSError* error;
  93    NSData* secureBookmark = [url bookmarkDataWithOptions:NSURLBookmarkCreationWithSecurityScope | NSURLBookmarkCreationSecurityScopeAllowOnlyReadAccess
  94                           includingResourceValuesForKeys:nil
  95                                            relativeToURL:nil
  96                                                    error:&error];
  97    if (error) {
  98      NSLog(@"Error creating secure bookmark: %@", error);
  99    }
 100   return secureBookmark;
 101 }
 102 #endif  // USE_APP_SANDBOX
 103
 104 #pragma mark Panel Switching
 105
 106 /**
 107  * Shows the general panel
 108  */
 109 - (IBAction)showGeneral:(id)sender
 110 {
 111   [self _switchToView:self.generalPreferencesView resizeTo:_generalSize forToolbarItem:self.generalPreferencesItem];
 112 }
 113
 114 - (IBAction)showFileAccess:(id)sender
 115 {
 116 #if USE_APP_SANDBOX
 117   [self _switchToView:self.fileAccessPreferencesView resizeTo:_fileAccessSize forToolbarItem:self.fileAccessPreferencesItem];
 118 #else
 119   NSAssert(NO, @"not reached");
 120 #endif
 121 }
 122
 123 /**
 124  * Shows the path replacement panel
 125  */
 126 - (IBAction)showPaths:(id)sender
 127 {
 128   [self _switchToView:self.pathsPreferencesView resizeTo:_pathsSize forToolbarItem:self.pathsPreferencesItem];
 129 }
 130
 131 #pragma mark NSToolbar Delegate
 132
 133 /**
 134  * Returns the selection names
 135  */
 136 - (NSArray*)toolbarSelectableItemIdentifiers:(NSToolbar*)toolbar
 137 {
 138   return @[
 139     self.generalPreferencesItem.itemIdentifier,
 140 #if USE_APP_SANDBOX
 141     self.fileAccessPreferencesItem.itemIdentifier,
 142 #endif
 143     self.pathsPreferencesItem.itemIdentifier,
 144   ];
 145 }
 146
 147 #pragma mark Private
 148
 149 - (void)_switchToView:(NSView*)contentView
 150              resizeTo:(NSSize)size
 151        forToolbarItem:(NSToolbarItem*)item {
 152   if (self.window.contentView == contentView)
 153     return;
 154   [self _resizeWindowToSize:size];
 155   self.window.contentView = contentView;
 156   self.toolbar.selectedItemIdentifier = item.itemIdentifier;
 157 }
 158
 159 /**
 160  * Resizes the preferences window to be the size of the given preferences panel
 161  */
 162 - (void)_resizeWindowToSize:(NSSize)size
 163 {
 164   // Hide the current view when animating, to avoid weird artifacts.
 165   self.window.contentView = _blankView;
 166   NSPoint origin = self.window.frame.origin;
 167   NSRect newFrame = [self.window frameRectForContentRect:NSMakeRect(origin.x, origin.y, size.width, size.height)];
 168   [[self window] setFrame:newFrame display:YES animate:YES];
 169 }
 170
 171 @end