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 "base/memory/shared_memory.h"
  13 #include "content/common/clipboard_format.h"
  14 #include "content/common/content_export.h"
  15 #include "content/public/browser/browser_message_filter.h"
  16 #include "ui/base/clipboard/clipboard.h"
  17
  18 class GURL;
  19
  20 namespace ui {
  21 class ScopedClipboardWriter;
  22 }  // namespace ui
  23
  24 namespace content {
  25
  26 class ClipboardMessageFilterTest;
  27
  28 class CONTENT_EXPORT ClipboardMessageFilter : public BrowserMessageFilter {
  29  public:
  30   ClipboardMessageFilter();
  31
  32   void OverrideThreadForMessage(const IPC::Message& message,
  33                                 BrowserThread::ID* thread) override;
  34   bool OnMessageReceived(const IPC::Message& message) override;
  35
  36  private:
  37   friend class ClipboardMessageFilterTest;
  38
  39   ~ClipboardMessageFilter() override;
  40
  41   void OnGetSequenceNumber(const ui::ClipboardType type,
  42                            uint64* sequence_number);
  43   void OnIsFormatAvailable(ClipboardFormat format,
  44                            ui::ClipboardType type,
  45                            bool* result);
  46   void OnClear(ui::ClipboardType type);
  47   void OnReadAvailableTypes(ui::ClipboardType type,
  48                             std::vector<base::string16>* types,
  49                             bool* contains_filenames);
  50   void OnReadText(ui::ClipboardType type, base::string16* result);
  51   void OnReadHTML(ui::ClipboardType type,
  52                   base::string16* markup,
  53                   GURL* url,
  54                   uint32* fragment_start,
  55                   uint32* fragment_end);
  56   void OnReadRTF(ui::ClipboardType type, std::string* result);
  57   void OnReadImage(ui::ClipboardType type, IPC::Message* reply_msg);
  58   void OnReadImageReply(const SkBitmap& bitmap, IPC::Message* reply_msg);
  59   void OnReadCustomData(ui::ClipboardType clipboard_type,
  60                         const base::string16& type,
  61                         base::string16* result);
  62   void OnReadData(const ui::Clipboard::FormatType& format,
  63                   std::string* data);
  64
  65   void OnWriteText(ui::ClipboardType clipboard_type,
  66                    const base::string16& text);
  67   void OnWriteHTML(ui::ClipboardType clipboard_type,
  68                    const base::string16& markup,
  69                    const GURL& url);
  70   void OnWriteSmartPasteMarker(ui::ClipboardType clipboard_type);
  71   void OnWriteCustomData(ui::ClipboardType clipboard_type,
  72                          const std::map<base::string16, base::string16>& data);
  73   void OnWriteBookmark(ui::ClipboardType clipboard_type,
  74                        const std::string& url,
  75                        const base::string16& title);
  76   void OnWriteImage(ui::ClipboardType clipboard_type,
  77                     const gfx::Size& size,
  78                     base::SharedMemoryHandle handle);
  79   void OnCommitWrite(ui::ClipboardType clipboard_type);
  80
  81 #if defined(OS_MACOSX)
  82   void OnFindPboardWriteString(const base::string16& text);
  83 #endif
  84
  85   // We have our own clipboard because we want to access the clipboard on the
  86   // IO thread instead of forwarding (possibly synchronous) messages to the UI
  87   // thread. This instance of the clipboard should be accessed only on the IO
  88   // thread.
  89   static ui::Clipboard* GetClipboard();
  90
  91   scoped_ptr<ui::ScopedClipboardWriter> clipboard_writer_;
  92
  93   DISALLOW_COPY_AND_ASSIGN(ClipboardMessageFilter);
  94 };
  95
  96 }  // namespace content
  97
  98 #endif  // CONTENT_BROWSER_RENDERER_HOST_CLIPBOARD_MESSAGE_FILTER_H_