[Mac] Refactor bookmark pulsing into BookmarkBubbleObserverCocoa.

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

 // Copyright (c) 2012 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 <Cocoa/Cocoa.h>
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_nsobject.h"
@@ skipping 2068 matching lines @@
 
 TEST_F(BookmarkBarControllerDragDropTest, PulseButton) {
   BookmarkModel* model = BookmarkModelFactory::GetForProfile(profile());
   const BookmarkNode* root = model->bookmark_bar_node();
   GURL gurl("http://www.google.com");
   const BookmarkNode* node = model->AddURL(root, root->child_count(),
                                            ASCIIToUTF16("title"), gurl);
 
   BookmarkButton* button = [[bar_ buttons] objectAtIndex:0];
   EXPECT_FALSE([button isContinuousPulsing]);
+  [bar_ startPulsingBookmarkNode:node];
+  EXPECT_TRUE([button isContinuousPulsing]);
+  [bar_ stopPulsingBookmarkNode];
+  EXPECT_FALSE([button isContinuousPulsing]);
 
-  NSValue *value = [NSValue valueWithPointer:node];
-  NSDictionary *dict = [NSDictionary
-                         dictionaryWithObjectsAndKeys:value,
-                         bookmark_button::kBookmarkKey,
-                         [NSNumber numberWithBool:YES],
-                         bookmark_button::kBookmarkPulseFlagKey,
-                         nil];
-  [[NSNotificationCenter defaultCenter]
-        postNotificationName:bookmark_button::kPulseBookmarkButtonNotification
-                      object:nil
-                    userInfo:dict];
-  EXPECT_TRUE([button isContinuousPulsing]);
+  // Pulsing a node within a folder should pulse the folder button.
+  const BookmarkNode* folder =
+      model->AddFolder(root, root->child_count(), ASCIIToUTF16("folder"));
+  const BookmarkNode* inner =
+      model->AddURL(folder, folder->child_count(), ASCIIToUTF16("inner"), gurl);
 
-  dict = [NSDictionary dictionaryWithObjectsAndKeys:value,
-                       bookmark_button::kBookmarkKey,
-                       [NSNumber numberWithBool:NO],
-                       bookmark_button::kBookmarkPulseFlagKey,
-                       nil];
-  [[NSNotificationCenter defaultCenter]
-        postNotificationName:bookmark_button::kPulseBookmarkButtonNotification
-                      object:nil
-                    userInfo:dict];
-  EXPECT_FALSE([button isContinuousPulsing]);
+  BookmarkButton* folder_button = [[bar_ buttons] objectAtIndex:1];
+  EXPECT_FALSE([folder_button isContinuousPulsing]);
+  [bar_ startPulsingBookmarkNode:inner];
+  EXPECT_TRUE([folder_button isContinuousPulsing]);
+  [bar_ stopPulsingBookmarkNode];
+  EXPECT_FALSE([folder_button isContinuousPulsing]);
+
+  // Stop pulsing if the node moved.
+  [bar_ startPulsingBookmarkNode:inner];
+  EXPECT_TRUE([folder_button isContinuousPulsing]);
+  const BookmarkNode* folder2 =
+      model->AddFolder(root, root->child_count(), ASCIIToUTF16("folder2"));
+  model->Move(inner, folder2, 0);
+  EXPECT_FALSE([folder_button isContinuousPulsing]);
+
+  // Removing a pulsing folder is allowed.
+  [bar_ startPulsingBookmarkNode:inner];
+  BookmarkButton* folder2_button = [[bar_ buttons] objectAtIndex:2];
+  EXPECT_TRUE([folder2_button isContinuousPulsing]);
+  model->Remove(folder2);
+  EXPECT_FALSE([folder2_button isContinuousPulsing]);
+  [bar_ stopPulsingBookmarkNode];  // Should not crash.
 }
 
 TEST_F(BookmarkBarControllerDragDropTest, DragBookmarkDataToTrash) {
   BookmarkModel* model = BookmarkModelFactory::GetForProfile(profile());
   const BookmarkNode* root = model->bookmark_bar_node();
   const std::string model_string("1b 2f:[ 2f1b 2f2f:[ 2f2f1b 2f2f2b 2f2f3b ] "
                                   "2f3b ] 3b 4b ");
   bookmarks::test::AddNodesFromModelString(model, root, model_string);
 
   // Validate initial model.
@@ skipping 16 matching lines @@
                              "2f3b ] 4b ");
   actual = bookmarks::test::ModelStringFromNode(root);
   EXPECT_EQ(expected, actual);
 
   // Verify that the other bookmark folder can't be deleted.
   BookmarkButton *otherButton = [bar_ otherBookmarksButton];
   EXPECT_FALSE([bar_ canDragBookmarkButtonToTrash:otherButton]);
 }
 
 }  // namespace