chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_window.mm

   1 // Copyright (c) 2011 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 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_window.h"
   6
   7 #import "base/logging.h"
   8 #import "base/mac/scoped_nsobject.h"
   9 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_constants.h"
  10 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_controller.h"
  11 #import "third_party/google_toolbox_for_mac/src/AppKit/GTMNSBezierPath+RoundRect.h"
  12 #import "third_party/google_toolbox_for_mac/src/AppKit/GTMNSColor+Luminance.h"
  13
  14 using bookmarks::kBookmarkBarMenuCornerRadius;
  15
  16 @implementation BookmarkBarFolderWindow
  17
  18 - (id)initWithContentRect:(NSRect)contentRect
  19                 styleMask:(NSUInteger)windowStyle
  20                   backing:(NSBackingStoreType)bufferingType
  21                     defer:(BOOL)deferCreation {
  22   if ((self = [super initWithContentRect:contentRect
  23                                styleMask:NSBorderlessWindowMask // override
  24                                  backing:bufferingType
  25                                    defer:deferCreation])) {
  26     [self setBackgroundColor:[NSColor clearColor]];
  27     [self setOpaque:NO];
  28   }
  29   return self;
  30 }
  31
  32 - (BOOL)canBecomeKeyWindow {
  33   return YES;
  34 }
  35
  36 - (BOOL)canBecomeMainWindow {
  37   return NO;
  38 }
  39
  40 // Override of keyDown as the NSWindow default implementation beeps.
  41 - (void)keyDown:(NSEvent *)theEvent {
  42 }
  43
  44 @end
  45
  46
  47 @implementation BookmarkBarFolderWindowContentView
  48
  49 - (void)drawRect:(NSRect)rect {
  50   // Like NSMenus, only the bottom corners are rounded.
  51   NSBezierPath* bezier =
  52       [NSBezierPath gtm_bezierPathWithRoundRect:[self bounds]
  53                             topLeftCornerRadius:kBookmarkBarMenuCornerRadius
  54                            topRightCornerRadius:kBookmarkBarMenuCornerRadius
  55                          bottomLeftCornerRadius:kBookmarkBarMenuCornerRadius
  56                         bottomRightCornerRadius:kBookmarkBarMenuCornerRadius];
  57   NSColor* startColor = [NSColor colorWithCalibratedWhite:0.91 alpha:1.0];
  58   NSColor* midColor =
  59       [startColor gtm_colorAdjustedFor:GTMColorationLightMidtone faded:YES];
  60   NSColor* endColor =
  61       [startColor gtm_colorAdjustedFor:GTMColorationLightPenumbra faded:YES];
  62
  63   base::scoped_nsobject<NSGradient> gradient(
  64       [[NSGradient alloc] initWithColorsAndLocations:startColor, 0.0,
  65                                                      midColor, 0.25,
  66                                                      endColor, 0.5,
  67                                                      midColor, 0.75,
  68                                                      startColor, 1.0,
  69                                                      nil]);
  70   [gradient drawInBezierPath:bezier angle:0.0];
  71 }
  72
  73 @end
  74
  75
  76 @implementation BookmarkBarFolderWindowScrollView
  77
  78 // We want "draw background" of the NSScrollView in the xib to be NOT
  79 // checked.  That allows us to round the bottom corners of the folder
  80 // window.  However that also allows some scrollWheel: events to leak
  81 // into the NSWindow behind it (even in a different application).
  82 // Better to plug the scroll leak than to round corners for M5.
  83 - (void)scrollWheel:(NSEvent *)theEvent {
  84   DCHECK([[[self window] windowController]
  85            respondsToSelector:@selector(scrollWheel:)]);
  86   [[[self window] windowController] scrollWheel:theEvent];
  87 }
  88
  89 @end