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// 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.
#ifndef CHROME_BROWSER_UI_AURA_TAB_CONTENTS_WEB_DRAG_BOOKMARK_HANDLER_AURA_H_
#define CHROME_BROWSER_UI_AURA_TAB_CONTENTS_WEB_DRAG_BOOKMARK_HANDLER_AURA_H_
#include "components/bookmarks/browser/bookmark_node_data.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_drag_dest_delegate.h"
class BookmarkTabHelper;
namespace content {
class WebContents;
}
// Chrome needs to intercept content drag events so it can dispatch them to the
// bookmarks and extensions system.
// Note that unlike the other platforms, Aura doesn't use all of the
// WebDragDest infrastructure, just the WebDragDestDelegate.
class WebDragBookmarkHandlerAura : public content::WebDragDestDelegate {
public:
WebDragBookmarkHandlerAura();
~WebDragBookmarkHandlerAura() override;
// Overridden from content::WebDragDestDelegate:
void DragInitialize(content::WebContents* contents) override;
void OnDragOver() override;
void OnDragEnter() override;
void OnDrop() override;
void OnDragLeave() override;
void OnReceiveDragData(const ui::OSExchangeData& data) override;
private:
// The BookmarkTabHelper.
// Weak reference; may be NULL if the contents don't have a
// BookmarkTabHelper (e.g. WebUI dialogs).
BookmarkTabHelper* bookmark_tab_helper_;
content::WebContents* web_contents_;
// The bookmark data for the active drag. Empty when there is no active drag.
bookmarks::BookmarkNodeData bookmark_drag_data_;
DISALLOW_COPY_AND_ASSIGN(WebDragBookmarkHandlerAura);
};
#endif // CHROME_BROWSER_UI_AURA_TAB_CONTENTS_WEB_DRAG_BOOKMARK_HANDLER_AURA_H_
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