remoting/protocol/clipboard_thread_proxy.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 // ClipboardThreadProxy is used to allow a Clipboard on the UI thread to invoke
   6 // a ClipboardStub on the network thread.
   7
   8 #ifndef REMOTING_PROTOCOL_CLIPBOARD_THREAD_PROXY_H_
   9 #define REMOTING_PROTOCOL_CLIPBOARD_THREAD_PROXY_H_
  10
  11 #include "base/memory/weak_ptr.h"
  12 #include "base/task_runner.h"
  13 #include "remoting/protocol/clipboard_stub.h"
  14
  15 namespace remoting {
  16 namespace protocol {
  17
  18 class ClipboardThreadProxy : public ClipboardStub {
  19  public:
  20   ~ClipboardThreadProxy() override;
  21
  22   // Constructs a proxy for |clipboard_stub| which will trampoline invocations
  23   // to |clipboard_stub_task_runner|.
  24   ClipboardThreadProxy(
  25       const base::WeakPtr<ClipboardStub>& clipboard_stub,
  26       scoped_refptr<base::TaskRunner> clipboard_stub_task_runner);
  27
  28   // ClipboardStub implementation.
  29   void InjectClipboardEvent(const ClipboardEvent& event) override;
  30
  31  private:
  32   // Injects a clipboard event into a stub, if the given weak pointer to the
  33   // stub is valid.
  34   static void InjectClipboardEventStatic(
  35       const base::WeakPtr<ClipboardStub>& clipboard_stub,
  36       const ClipboardEvent& event);
  37
  38   base::WeakPtr<ClipboardStub> clipboard_stub_;
  39   scoped_refptr<base::TaskRunner> clipboard_stub_task_runner_;
  40
  41   DISALLOW_COPY_AND_ASSIGN(ClipboardThreadProxy);
  42 };
  43
  44 }  // namespace protocol
  45 }  // namespace remoting
  46
  47 #endif  // REMOTING_PROTOCOL_CLIPBOARD_THREAD_PROXY_H_