[Mac] Replace the custom bookmark menus with native NSMenus.

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

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_view.h"
-
-#include "chrome/browser/bookmarks/bookmark_pasteboard_helper_mac.h"
-#import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_controller.h"
-#import "chrome/browser/ui/cocoa/bookmarks/bookmark_folder_target.h"
-#include "content/browser/user_metrics.h"
-
-#import "third_party/mozilla/NSPasteboard+Utils.h"
-
-@interface BookmarkBarFolderView()
-
-@property(readonly, nonatomic) id<BookmarkButtonControllerProtocol> controller;
-
-@end
-
-@implementation BookmarkBarFolderView
-
-- (void)awakeFromNib {
-  NSArray* types = [NSArray arrayWithObjects:
-                    NSStringPboardType,
-                    NSHTMLPboardType,
-                    NSURLPboardType,
-                    kBookmarkButtonDragType,
-                    kBookmarkDictionaryListPboardType,
-                    nil];
-  [self registerForDraggedTypes:types];
-}
-
-- (void)dealloc {
-  [self unregisterDraggedTypes];
-  [super dealloc];
-}
-
-- (id<BookmarkButtonControllerProtocol>)controller {
-  // When needed for testing, set the local data member |controller_| to
-  // the test controller.
-  return controller_ ? controller_ : [[self window] windowController];
-}
-
-- (void)drawRect:(NSRect)rect {
-  // TODO(jrg): copied from bookmark_bar_view but orientation changed.
-  // Code dup sucks but I'm not sure I can take 16 lines and make it
-  // generic for horiz vs vertical while keeping things simple.
-  // TODO(jrg): when throwing it all away and using animations, try
-  // hard to make a common routine for both.
-  // http://crbug.com/35966, http://crbug.com/35968
-
-  // Draw the bookmark-button-dragging drop indicator if necessary.
-  if (dropIndicatorShown_) {
-    const CGFloat kBarHeight = 1;
-    const CGFloat kBarHorizPad = 4;
-    const CGFloat kBarOpacity = 0.85;
-
-    NSRect uglyBlackBar =
-        NSMakeRect(kBarHorizPad, dropIndicatorPosition_,
-                   NSWidth([self bounds]) - 2*kBarHorizPad,
-                   kBarHeight);
-    NSColor* uglyBlackBarColor = [NSColor blackColor];
-    [[uglyBlackBarColor colorWithAlphaComponent:kBarOpacity] setFill];
-    [[NSBezierPath bezierPathWithRect:uglyBlackBar] fill];
-  }
-}
-
-// TODO(mrossetti,jrg): Identical to -[BookmarkBarView
-// dragClipboardContainsBookmarks].  http://crbug.com/35966
-// Shim function to assist in unit testing.
-- (BOOL)dragClipboardContainsBookmarks {
-  return bookmark_pasteboard_helper_mac::DragClipboardContainsBookmarks();
-}
-
-// Virtually identical to [BookmarkBarView draggingEntered:].
-// TODO(jrg): find a way to share code.  Lack of multiple inheritance
-// makes things more of a pain but there should be no excuse for laziness.
-// http://crbug.com/35966
-- (NSDragOperation)draggingEntered:(id<NSDraggingInfo>)info {
-  inDrag_ = YES;
-  if (![[self controller] draggingAllowed:info])
-    return NSDragOperationNone;
-  if ([[info draggingPasteboard] dataForType:kBookmarkButtonDragType] ||
-      [self dragClipboardContainsBookmarks] ||
-      [[info draggingPasteboard] containsURLData]) {
-    // Find the position of the drop indicator.
-    BOOL showIt = [[self controller]
-                   shouldShowIndicatorShownForPoint:[info draggingLocation]];
-    if (!showIt) {
-      if (dropIndicatorShown_) {
-        dropIndicatorShown_ = NO;
-        [self setNeedsDisplay:YES];
-      }
-    } else {
-      CGFloat y =
-      [[self controller]
-       indicatorPosForDragToPoint:[info draggingLocation]];
-
-      // Need an update if the indicator wasn't previously shown or if it has
-      // moved.
-      if (!dropIndicatorShown_ || dropIndicatorPosition_ != y) {
-        dropIndicatorShown_ = YES;
-        dropIndicatorPosition_ = y;
-        [self setNeedsDisplay:YES];
-      }
-    }
-
-    [[self controller] draggingEntered:info];  // allow hover-open to work
-    return [info draggingSource] ? NSDragOperationMove : NSDragOperationCopy;
-  }
-  return NSDragOperationNone;
-}
-
-- (void)draggingExited:(id<NSDraggingInfo>)info {
-  [[self controller] draggingExited:info];
-
-  // Regardless of the type of dragging which ended, we need to get rid of the
-  // drop indicator if one was shown.
-  if (dropIndicatorShown_) {
-    dropIndicatorShown_ = NO;
-    [self setNeedsDisplay:YES];
-  }
-}
-
-- (void)draggingEnded:(id<NSDraggingInfo>)info {
-  // Awkwardness since views open and close out from under us.
-  if (inDrag_) {
-    inDrag_ = NO;
-  }
-
-  [self draggingExited:info];
-}
-
-- (BOOL)wantsPeriodicDraggingUpdates {
-  // TODO(jrg): This should probably return |YES| and the controller should
-  // slide the existing bookmark buttons interactively to the side to make
-  // room for the about-to-be-dropped bookmark.
-  // http://crbug.com/35968
-  return NO;
-}
-
-- (NSDragOperation)draggingUpdated:(id<NSDraggingInfo>)info {
-  // For now it's the same as draggingEntered:.
-  // TODO(jrg): once we return YES for wantsPeriodicDraggingUpdates,
-  // this should ping the [self controller] to perform animations.
-  // http://crbug.com/35968
-  return [self draggingEntered:info];
-}
-
-- (BOOL)prepareForDragOperation:(id<NSDraggingInfo>)info {
-  return YES;
-}
-
-// This code is practically identical to the same function in BookmarkBarView
-// with the only difference being how the controller is retrieved.
-// TODO(mrossetti,jrg): http://crbug.com/35966
-// Implement NSDraggingDestination protocol method
-// performDragOperation: for URLs.
-- (BOOL)performDragOperationForURL:(id<NSDraggingInfo>)info {
-  NSPasteboard* pboard = [info draggingPasteboard];
-  DCHECK([pboard containsURLData]);
-
-  NSArray* urls = nil;
-  NSArray* titles = nil;
-  [pboard getURLs:&urls andTitles:&titles convertingFilenames:YES];
-
-  return [[self controller] addURLs:urls
-                         withTitles:titles
-                                 at:[info draggingLocation]];
-}
-
-// This code is practically identical to the same function in BookmarkBarView
-// with the only difference being how the controller is retrieved.
-// http://crbug.com/35966
-// Implement NSDraggingDestination protocol method
-// performDragOperation: for bookmark buttons.
-- (BOOL)performDragOperationForBookmarkButton:(id<NSDraggingInfo>)info {
-  BOOL doDrag = NO;
-  NSData* data = [[info draggingPasteboard]
-                   dataForType:kBookmarkButtonDragType];
-  // [info draggingSource] is nil if not the same application.
-  if (data && [info draggingSource]) {
-    BookmarkButton* button = nil;
-    [data getBytes:&button length:sizeof(button)];
-    BOOL copy = !([info draggingSourceOperationMask] & NSDragOperationMove);
-    doDrag = [[self controller] dragButton:button
-                                        to:[info draggingLocation]
-                                      copy:copy];
-    UserMetrics::RecordAction(UserMetricsAction("BookmarkBarFolder_DragEnd"));
-  }
-  return doDrag;
-}
-
-- (BOOL)performDragOperation:(id<NSDraggingInfo>)info {
-  if ([[self controller] dragBookmarkData:info])
-    return YES;
-  NSPasteboard* pboard = [info draggingPasteboard];
-  if ([pboard dataForType:kBookmarkButtonDragType] &&
-      [self performDragOperationForBookmarkButton:info])
-    return YES;
-  if ([pboard containsURLData] && [self performDragOperationForURL:info])
-    return YES;
-  return NO;
-}
-
-@end