Rewrite clipboard write IPC handling to be easier to understand.

content/renderer/renderer_clipboard_client.h

 // 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 CONTENT_RENDERER_RENDERER_CLIPBOARD_CLIENT_H_
 #define CONTENT_RENDERER_RENDERER_CLIPBOARD_CLIENT_H_
 
+#include <stdint.h>
+#include <map>
+#include <string>
+#include <vector>
+
 #include "base/compiler_specific.h"
-#include "content/renderer/clipboard_client.h"
+#include "base/strings/string16.h"
+#include "content/common/clipboard_format.h"
+#include "ui/base/clipboard/clipboard_types.h"
+
+class GURL;
+class SkBitmap;
 
 namespace content {
 
-// An implementation of ClipboardClient that gets and sends data over IPC.
-class RendererClipboardClient : public ClipboardClient {
+// Renderer interface to read/write from the clipboard over IPC.
+class RendererClipboardClient {

[jamesr, 2014/09/22 22:38:41]

this isn't a client thingy any more. if anything, it's a delegate since it's the
thing that the webclipboard_impl code is delegating to in order to actually
perform the clipboard operations.

[dcheng, 2014/09/22 23:06:25]

Done.

  public:
   RendererClipboardClient();
-  virtual ~RendererClipboardClient();
 
-  virtual ui::Clipboard* GetClipboard() OVERRIDE;
-  virtual uint64 GetSequenceNumber(ui::ClipboardType type) OVERRIDE;
-  virtual bool IsFormatAvailable(ClipboardFormat format,
-                                 ui::ClipboardType type) OVERRIDE;
-  virtual void Clear(ui::ClipboardType type) OVERRIDE;
-  virtual void ReadAvailableTypes(ui::ClipboardType type,
-                                  std::vector<base::string16>* types,
-                                  bool* contains_filenames) OVERRIDE;
-  virtual void ReadText(ui::ClipboardType type,
-                        base::string16* result) OVERRIDE;
-  virtual void ReadHTML(ui::ClipboardType type,
-                        base::string16* markup,
-                        GURL* url,
-                        uint32* fragment_start,
-                        uint32* fragment_end) OVERRIDE;
-  virtual void ReadRTF(ui::ClipboardType type, std::string* result) OVERRIDE;
-  virtual void ReadImage(ui::ClipboardType type, std::string* data) OVERRIDE;
-  virtual void ReadCustomData(ui::ClipboardType clipboard_type,
-                              const base::string16& type,
-                              base::string16* data) OVERRIDE;
-  virtual WriteContext* CreateWriteContext() OVERRIDE;
+  uint64 GetSequenceNumber(ui::ClipboardType type);
+  bool IsFormatAvailable(ClipboardFormat format, ui::ClipboardType type);
+  void Clear(ui::ClipboardType type);
+  void ReadAvailableTypes(ui::ClipboardType type,
+                          std::vector<base::string16>* types,
+                          bool* contains_filenames);
+  void ReadText(ui::ClipboardType type, base::string16* result);
+  void ReadHTML(ui::ClipboardType type,
+                base::string16* markup,
+                GURL* url,
+                uint32* fragment_start,
+                uint32* fragment_end);
+  void ReadRTF(ui::ClipboardType type, std::string* result);
+  void ReadImage(ui::ClipboardType type, std::string* data);
+  void ReadCustomData(ui::ClipboardType clipboard_type,
+                      const base::string16& type,
+                      base::string16* data);
+
+  void WriteText(ui::ClipboardType type, const base::string16& text);
+  void WriteHTML(ui::ClipboardType type,
+                 const base::string16& markup,
+                 const GURL& url);
+  void WriteSmartPasteMarker(ui::ClipboardType type);
+  void WriteCustomData(ui::ClipboardType type,
+                       const std::map<base::string16, base::string16>& data);
+  void WriteBookmark(ui::ClipboardType type,
+                     const GURL& url,
+                     const base::string16& title);
+  bool WriteImage(ui::ClipboardType type, const SkBitmap& bitmap);
+  void CommitWrite(ui::ClipboardType type);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDERER_CLIPBOARD_CLIENT_H_