more extensions bookmarks changes:...

chrome/browser/extensions/extension_bookmarks_module.h

 // Copyright (c) 2009 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.
 
-#ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_BOOKMARKS_MODULE_H__
-#define CHROME_BROWSER_EXTENSIONS_EXTENSION_BOOKMARKS_MODULE_H__
+#ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_BOOKMARKS_MODULE_H_
+#define CHROME_BROWSER_EXTENSIONS_EXTENSION_BOOKMARKS_MODULE_H_
 
+#include <string>
+#include <vector>
+
+#include "base/singleton.h"
+#include "chrome/browser/bookmarks/bookmark_model.h"
 #include "chrome/browser/extensions/extension_function.h"
 
-class GetBookmarksFunction : public SyncExtensionFunction {
+// Observes BookmarkModel and then routes the notifications as events to
+// the extension system.
+class ExtensionBookmarkEventRouter : public BookmarkModelObserver {
+ public:
+  static ExtensionBookmarkEventRouter* GetSingleton();
+  virtual ~ExtensionBookmarkEventRouter();
+
+  // Call this for each model to observe.  Safe to call multiple times per
+  // model.
+  void Observe(BookmarkModel* model);
+
+  // BookmarkModelObserver
+  virtual void Loaded(BookmarkModel* model);
+  virtual void BookmarkModelBeingDeleted(BookmarkModel* model) { }
+  virtual void BookmarkNodeMoved(BookmarkModel* model,
+                                 BookmarkNode* old_parent,
+                                 int old_index,
+                                 BookmarkNode* new_parent,
+                                 int new_index);
+  virtual void BookmarkNodeAdded(BookmarkModel* model,
+                                 BookmarkNode* parent,
+                                 int index);
+  virtual void BookmarkNodeRemoved(BookmarkModel* model,
+                                   BookmarkNode* parent,
+                                   int index);
+  virtual void BookmarkNodeRemoved(BookmarkModel* model,
+                                   BookmarkNode* parent,
+                                   int old_index,
+                                   BookmarkNode* node) {
+    BookmarkNodeRemoved(model, parent, old_index);
+  }
+  virtual void BookmarkNodeChanged(BookmarkModel* model,
+                                   BookmarkNode* node);
+  virtual void BookmarkNodeFavIconLoaded(BookmarkModel* model,
+                                         BookmarkNode* node);
+  virtual void BookmarkNodeChildrenReordered(BookmarkModel* model,
+                                             BookmarkNode* node);
+
+ private:
+  ExtensionBookmarkEventRouter();
+  friend struct DefaultSingletonTraits<ExtensionBookmarkEventRouter>;
+
+  // Helper to actually dispatch an event to extension listeners.
+  void DispatchEvent(Profile* profile,
+                     const char* event_name,
+                     const std::string json_args);
+
+  // These are stored so that Observe can be called multiple times safely.
+  // This way the caller doesn't have to know whether it's already observing
+  // a particular model or not.  The pointers are not owned by this object.
+  std::set<BookmarkModel*> models_;
+
+  DISALLOW_COPY_AND_ASSIGN(ExtensionBookmarkEventRouter);
+};
+
+class BookmarksFunction : public SyncExtensionFunction {
+  virtual void Run();
+};
+
+class GetBookmarksFunction : public BookmarksFunction {
   virtual bool RunImpl();
 };
 
-class SearchBookmarksFunction : public SyncExtensionFunction {
+class GetBookmarkChildrenFunction : public BookmarksFunction {
   virtual bool RunImpl();
 };
 
-class RemoveBookmarkFunction : public SyncExtensionFunction {
+class GetBookmarkTreeFunction : public BookmarksFunction {
   virtual bool RunImpl();
 };
 
-class CreateBookmarkFunction : public SyncExtensionFunction {
+class SearchBookmarksFunction : public BookmarksFunction {
   virtual bool RunImpl();
 };
 
-class MoveBookmarkFunction : public SyncExtensionFunction {
+class RemoveBookmarkFunction : public BookmarksFunction {
   virtual bool RunImpl();
 };
 
-class SetBookmarkTitleFunction : public SyncExtensionFunction {
+class CreateBookmarkFunction : public BookmarksFunction {
   virtual bool RunImpl();
 };
 
-#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_BOOKMARKS_MODULE_H__
+class MoveBookmarkFunction : public BookmarksFunction {
+  virtual bool RunImpl();
+};
 
+class SetBookmarkTitleFunction : public BookmarksFunction {
+  virtual bool RunImpl();
+};
+
+#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_BOOKMARKS_MODULE_H_