remoting/protocol/input_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 REMOTING_PROTOCOL_INPUT_FILTER_H_
   6 #define REMOTING_PROTOCOL_INPUT_FILTER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "remoting/protocol/input_stub.h"
  11
  12 namespace remoting {
  13 namespace protocol {
  14
  15 // Forwards input events to |input_stub|, if configured.  Input forwarding may
  16 // also be disabled independently of the |input_stub| being set.  InputFilters
  17 // initially have input forwarding enabled.
  18 class InputFilter : public InputStub {
  19  public:
  20   InputFilter();
  21   explicit InputFilter(InputStub* input_stub);
  22   virtual ~InputFilter();
  23
  24   // Set the InputStub that events will be forwarded to.
  25   void set_input_stub(InputStub* input_stub) {
  26     input_stub_ = input_stub;
  27   }
  28
  29   // Enable/disable routing of events to the InputStub.
  30   void set_enabled(bool enabled) {
  31     enabled_ = enabled;
  32   }
  33   bool enabled() const {
  34     return enabled_;
  35   }
  36
  37   // InputStub interface.
  38   virtual void InjectKeyEvent(const KeyEvent& event) OVERRIDE;
  39   virtual void InjectMouseEvent(const MouseEvent& event) OVERRIDE;
  40
  41  private:
  42   InputStub* input_stub_;
  43   bool enabled_;
  44
  45   DISALLOW_COPY_AND_ASSIGN(InputFilter);
  46 };
  47
  48 } // namespace protocol
  49 } // namespace remoting
  50
  51 #endif // REMOTING_PROTOCOL_INPUT_FILTER_H_