components/open_from_clipboard/clipboard_recent_content.h

   1 // Copyright 2015 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 COMPONENTS_OPEN_FROM_CLIPBOARD_CLIPBOARD_RECENT_CONTENT_H_
   6 #define COMPONENTS_OPEN_FROM_CLIPBOARD_CLIPBOARD_RECENT_CONTENT_H_
   7
   8 #include <string>
   9
  10 #include "base/macros.h"
  11
  12 class GURL;
  13
  14 // Helper class returning an URL if the content of the clipboard can be turned
  15 // into an URL, and if it estimates that the content of the clipboard is not too
  16 // old.
  17 class ClipboardRecentContent {
  18  public:
  19   // Returns an instance of the ClipboardContent singleton.
  20   static ClipboardRecentContent* GetInstance();
  21
  22   // Returns true if the clipboard contains a recent URL, and copies it in
  23   // |url|. Otherwise, returns false. |url| must not be null.
  24   virtual bool GetRecentURLFromClipboard(GURL* url) const = 0;
  25
  26   // Sets which URL scheme this app can be opened with. Used by
  27   // ClipboardRecentContent to determine whether or not the clipboard contains
  28   // a relevant URL. |application_scheme| may be empty.
  29   void set_application_scheme(const std::string& application_scheme) {
  30     application_scheme_ = application_scheme;
  31   }
  32
  33  protected:
  34   ClipboardRecentContent() {}
  35   virtual ~ClipboardRecentContent() {}
  36   // Contains the URL scheme opening the app. May be empty.
  37   std::string application_scheme_;
  38
  39  private:
  40   DISALLOW_COPY_AND_ASSIGN(ClipboardRecentContent);
  41 };
  42
  43 #endif  // COMPONENTS_OPEN_FROM_CLIPBOARD_CLIPBOARD_RECENT_CONTENT_H_