src/content/browser/renderer_host/clipboard_message_filter.h

   1 // Copyright (c) 2012 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 CONTENT_BROWSER_RENDERER_HOST_CLIPBOARD_MESSAGE_FILTER_H_
   6 #define CONTENT_BROWSER_RENDERER_HOST_CLIPBOARD_MESSAGE_FILTER_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/basictypes.h"
  12 #include "content/common/clipboard_format.h"
  13 #include "content/public/browser/browser_message_filter.h"
  14 #include "ui/base/clipboard/clipboard.h"
  15
  16 class GURL;
  17
  18 namespace content {
  19
  20 class ClipboardMessageFilter : public BrowserMessageFilter {
  21  public:
  22   ClipboardMessageFilter();
  23
  24   void OverrideThreadForMessage(const IPC::Message& message,
  25                                 BrowserThread::ID* thread) override;
  26   bool OnMessageReceived(const IPC::Message& message) override;
  27
  28  private:
  29   ~ClipboardMessageFilter() override;
  30
  31   void OnWriteObjectsAsync(const ui::Clipboard::ObjectMap& objects);
  32   void OnWriteObjectsSync(const ui::Clipboard::ObjectMap& objects,
  33                           base::SharedMemoryHandle bitmap_handle);
  34   static void WriteObjectsOnUIThread(const ui::Clipboard::ObjectMap* objects);
  35
  36   void OnGetSequenceNumber(const ui::ClipboardType type,
  37                            uint64* sequence_number);
  38   void OnIsFormatAvailable(ClipboardFormat format,
  39                            ui::ClipboardType type,
  40                            bool* result);
  41   void OnClear(ui::ClipboardType type);
  42   void OnReadAvailableTypes(ui::ClipboardType type,
  43                             std::vector<base::string16>* types,
  44                             bool* contains_filenames);
  45   void OnReadText(ui::ClipboardType type, base::string16* result);
  46   void OnReadHTML(ui::ClipboardType type,
  47                   base::string16* markup,
  48                   GURL* url,
  49                   uint32* fragment_start,
  50                   uint32* fragment_end);
  51   void OnReadRTF(ui::ClipboardType type, std::string* result);
  52   void OnReadImage(ui::ClipboardType type, IPC::Message* reply_msg);
  53   void OnReadImageReply(const SkBitmap& bitmap, IPC::Message* reply_msg);
  54   void OnReadCustomData(ui::ClipboardType clipboard_type,
  55                         const base::string16& type,
  56                         base::string16* result);
  57   void OnReadData(const ui::Clipboard::FormatType& format,
  58                   std::string* data);
  59
  60 #if defined(OS_MACOSX)
  61   void OnFindPboardWriteString(const base::string16& text);
  62 #endif
  63
  64   // We have our own clipboard because we want to access the clipboard on the
  65   // IO thread instead of forwarding (possibly synchronous) messages to the UI
  66   // thread. This instance of the clipboard should be accessed only on the IO
  67   // thread.
  68   static ui::Clipboard* GetClipboard();
  69
  70   DISALLOW_COPY_AND_ASSIGN(ClipboardMessageFilter);
  71 };
  72
  73 }  // namespace content
  74
  75 #endif  // CONTENT_BROWSER_RENDERER_HOST_CLIPBOARD_MESSAGE_FILTER_H_