Initial implementation of Drag and Drop for the extension BMM.

Review URL: http://codereview.chromium.org/660139

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@40858 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 34 insertions, 3 deletions

diff --git a/chrome/browser/bookmarks/bookmark_pasteboard_helper_mac.h b/chrome/browser/bookmarks/bookmark_pasteboard_helper_mac.h
index 357671e..4366b44 100644
--- a/chrome/browser/bookmarks/bookmark_pasteboard_helper_mac.h
+++ b/chrome/browser/bookmarks/bookmark_pasteboard_helper_mac.h
@@ -5,16 +5,47 @@
 #ifndef CHROME_BROWSER_BOOKMARKS_BOOKMARK_PASTEBOARD_HELPER_MAC_H_
 #define CHROME_BROWSER_BOOKMARKS_BOOKMARK_PASTEBOARD_HELPER_MAC_H_
 
-#import "chrome/browser/bookmarks/bookmark_drag_data.h"
+#include "app/gfx/native_widget_types.h"
+#include "base/file_path.h"
+#include "chrome/browser/bookmarks/bookmark_drag_data.h"
 
+// This set of functions lets C++ code interact with the cocoa pasteboard
+// and dragging methods.
 namespace bookmark_pasteboard_helper_mac {
 
-void WriteToClipboard(const std::vector<BookmarkDragData::Element>& elements);
+// Writes a set of bookmark elements from a profile to the general pasteboard.
+// This should be used for copy/paste functions.
+void WriteToClipboard(const std::vector<BookmarkDragData::Element>& elements,
+                      FilePath::StringType profile_path);
 
-bool ReadFromClipboard(std::vector<BookmarkDragData::Element>& elements);
+// Writes a set of bookmark elements from a profile to the dragging pasteboard
+// for drag and drop functions.
+void WriteToDragClipboard(
+    const std::vector<BookmarkDragData::Element>& elements,
+    FilePath::StringType profile_path);
 
+// Reads a set of bookmark elements from the general copy/paste clipboard.
+bool ReadFromClipboard(std::vector<BookmarkDragData::Element>& elements,
+                       FilePath::StringType* profile_path);
+
+// Reads a set of bookmark elements from the drag and drop clipboard.
+bool ReadFromDragClipboard(std::vector<BookmarkDragData::Element>& elements,
+                           FilePath::StringType* profile_path);
+
+// Returns true if the general copy/paste pasteboard contains any sort of
+// bookmark elements.  It currently does not consider a plaintext url a
+// valid bookmark.
 bool ClipboardContainsBookmarks();
 
+// Returns true if the dragging pasteboard contains any sort of bookmark
+// elements.
+bool DragClipboardContainsBookmarks();
+
+// Copies the bookmark nodes to the dragging pasteboard and initiates a
+// drag from the specified view.  |view| must be a |TabContentsViewCocoa*|.
+void StartDrag(Profile* profile, const std::vector<const BookmarkNode*>& nodes,
+               gfx::NativeView view);
+
 }
 
 #endif  // CHROME_BROWSER_BOOKMARKS_BOOKMARK_PASTEBOARD_HELPER_MAC_H_