remoting/host/chromeos/clipboard_aura.h

   1 // Copyright 2014 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 REMOTING_HOST_CLIPBOARD_AURA_H_
   6 #define REMOTING_HOST_CLIPBOARD_AURA_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/single_thread_task_runner.h"
  10 #include "remoting/host/clipboard.h"
  11
  12 namespace remoting {
  13
  14 namespace protocol {
  15 class ClipboardStub;
  16 }  // namespace protocol
  17
  18 // On Chrome OS, the clipboard is managed by aura instead of the underlying
  19 // native platform (e.g. x11, ozone, etc).
  20 //
  21 // This class (1) monitors the aura clipboard for changes and notifies the
  22 // |client_clipboard|, and (2) provides an interface to inject clipboard event
  23 // into aura.
  24 //
  25 // The public API of this class can be called in any thread as internally it
  26 // always posts the call to the |ui_task_runner|.  On ChromeOS, that should
  27 // be the UI thread of the browser process.
  28 //
  29 class ClipboardAura : public Clipboard {
  30  public:
  31   explicit ClipboardAura(
  32       scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner);
  33   ~ClipboardAura() override;
  34
  35   // Clipboard interface.
  36   void Start(scoped_ptr<protocol::ClipboardStub> client_clipboard) override;
  37   void InjectClipboardEvent(const protocol::ClipboardEvent& event) override;
  38   void Stop() override;
  39
  40   // Overrides the clipboard polling interval for unit test.
  41   void SetPollingIntervalForTesting(base::TimeDelta polling_interval);
  42
  43  private:
  44   class Core;
  45
  46   scoped_ptr<Core> core_;
  47   scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_;
  48
  49   DISALLOW_COPY_AND_ASSIGN(ClipboardAura);
  50 };
  51
  52 }  // namespace remoting
  53
  54 #endif  // REMOTING_HOST_CLIPBOARD_AURA_H_