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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef CHROME_BROWSER_TAB_CONTENTS_WEB_DRAG_DEST_DELEGATE_GTK_H_ |
| 6 #define CHROME_BROWSER_TAB_CONTENTS_WEB_DRAG_DEST_DELEGATE_GTK_H_ |
| 7 #pragma once |
| 8 |
| 9 #include <gtk/gtk.h> |
| 10 |
| 11 #include "base/string16.h" |
| 12 |
| 13 class GURL; |
| 14 class TabContents; |
| 15 |
| 16 // An optional delegate that listens for drags of bookmark data. |
| 17 class WebDragDestDelegateGtk { |
| 18 public: |
| 19 // Announces that a drag has started. It's valid that a drag starts, along |
| 20 // with over/enter/leave/drop notifications without receiving any bookmark |
| 21 // data. |
| 22 virtual void DragInitialize(TabContents* contents) = 0; |
| 23 |
| 24 // Returns the bookmark atom type. GTK and Views return different values here. |
| 25 virtual GdkAtom GetBookmarkTargetAtom() const = 0; |
| 26 |
| 27 // Called when WebDragDestkGtk detects that there's bookmark data in a |
| 28 // drag. Not every drag will trigger these. |
| 29 virtual void OnReceiveDataFromGtk(GtkSelectionData* data) = 0; |
| 30 virtual void OnReceiveProcessedData(const GURL& url, |
| 31 const string16& title) = 0; |
| 32 |
| 33 // Notifications of drag progression. |
| 34 virtual void OnDragOver() = 0; |
| 35 virtual void OnDragEnter() = 0; |
| 36 virtual void OnDrop() = 0; |
| 37 |
| 38 // This should also clear any state kept about this drag. |
| 39 virtual void OnDragLeave() = 0; |
| 40 |
| 41 virtual ~WebDragDestDelegateGtk(); |
| 42 }; |
| 43 |
| 44 #endif // CHROME_BROWSER_TAB_CONTENTS_WEB_DRAG_DEST_DELEGATE_GTK_H_ |
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