components/test_runner/gamepad_controller.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 COMPONENTS_TEST_RUNNER_GAMEPAD_CONTROLLER_H_
   6 #define COMPONENTS_TEST_RUNNER_GAMEPAD_CONTROLLER_H_
   7
   8 #include <map>
   9
  10 #include "base/memory/weak_ptr.h"
  11 #include "components/test_runner/test_runner_export.h"
  12 #include "third_party/WebKit/public/platform/WebGamepads.h"
  13
  14 namespace blink {
  15 class WebFrame;
  16 class WebGamepadListener;
  17 }
  18
  19 namespace test_runner {
  20
  21 class WebTestDelegate;
  22
  23 class TEST_RUNNER_EXPORT GamepadController
  24     : public base::SupportsWeakPtr<GamepadController> {
  25  public:
  26   static base::WeakPtr<GamepadController> Create(WebTestDelegate* delegate);
  27   ~GamepadController();
  28
  29   void Reset();
  30   void Install(blink::WebFrame* frame);
  31
  32   void SampleGamepads(blink::WebGamepads& gamepads);
  33   void SetListener(blink::WebGamepadListener* listener);
  34
  35  private:
  36   friend class GamepadControllerBindings;
  37   GamepadController();
  38
  39   // TODO(b.kelemen): for historical reasons Connect just initializes the
  40   // object. The 'gamepadconnected' event will be dispatched via
  41   // DispatchConnected. Tests for connected events need to first connect(),
  42   // then set the gamepad data and finally call dispatchConnected().
  43   // We should consider renaming Connect to Init and DispatchConnected to
  44   // Connect and at the same time updating all the gamepad tests.
  45   void Connect(int index);
  46   void DispatchConnected(int index);
  47
  48   void Disconnect(int index);
  49   void SetId(int index, const std::string& src);
  50   void SetButtonCount(int index, int buttons);
  51   void SetButtonData(int index, int button, double data);
  52   void SetAxisCount(int index, int axes);
  53   void SetAxisData(int index, int axis, double data);
  54
  55   blink::WebGamepadListener* listener_;
  56
  57   blink::WebGamepads gamepads_;
  58
  59   // Mapping from gamepad index to connection state.
  60   std::map<int, bool> pending_changes_;
  61
  62   base::WeakPtrFactory<GamepadController> weak_factory_;
  63
  64   DISALLOW_COPY_AND_ASSIGN(GamepadController);
  65 };
  66
  67 }  // namespace test_runner
  68
  69 #endif  // COMPONENTS_TEST_RUNNER_GAMEPAD_CONTROLLER_H_