blimp: Move compositing, input and render widget feature to client/core.

blimp/client/feature/compositor/blimp_input_handler_wrapper.h

-// Copyright 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef BLIMP_CLIENT_FEATURE_COMPOSITOR_BLIMP_INPUT_HANDLER_WRAPPER_H_
-#define BLIMP_CLIENT_FEATURE_COMPOSITOR_BLIMP_INPUT_HANDLER_WRAPPER_H_
-
-#include "base/macros.h"
-#include "base/single_thread_task_runner.h"
-#include "base/threading/thread_checker.h"
-#include "ui/events/blink/input_handler_proxy.h"
-#include "ui/events/blink/input_handler_proxy_client.h"
-
-namespace blimp {
-namespace client {
-
-class BlimpInputManager;
-
-// The BlimpInputHandlerWrapper isolates all input handling processing done on
-// the compositor thread from the BlimpInputManager. It takes web gesture events
-// from the BlimpInputManager and sends them to the ui::InputHandlerProxy.
-// The class is created and lives on the compositor thread.
-class BlimpInputHandlerWrapper : public ui::InputHandlerProxyClient {
- public:
-  BlimpInputHandlerWrapper(
-      scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
-      const base::WeakPtr<BlimpInputManager> input_manager_weak_ptr,
-      cc::InputHandler* input_handler);
-
-  ~BlimpInputHandlerWrapper() override;
-
-  // Called by the BlimpInputManager to process a web gesture event. This will
-  // call BlimpInputManager::HandleWebGestureEvent with the result on the main
-  // thread.
-  void HandleWebGestureEvent(const blink::WebGestureEvent& gesture_event);
-
- private:
-  // InputHandlerProxyClient implementation.
-  void WillShutdown() override;
-  void TransferActiveWheelFlingAnimation(
-      const blink::WebActiveWheelFlingParameters& params) override;
-  blink::WebGestureCurve* CreateFlingAnimationCurve(
-      blink::WebGestureDevice device_source,
-      const blink::WebFloatPoint& velocity,
-      const blink::WebSize& cumulative_scroll) override;
-  void DidOverscroll(const gfx::Vector2dF& accumulated_overscroll,
-                     const gfx::Vector2dF& latest_overscroll_delta,
-                     const gfx::Vector2dF& current_fling_velocity,
-                     const gfx::PointF& causal_event_viewport_point) override;
-  void DidStartFlinging() override;
-  void DidStopFlinging() override;
-  void DidAnimateForInput() override;
-
-  base::ThreadChecker compositor_thread_checker_;
-
-  scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_;
-
-  // Used to queue calls to the BlimpInputManager to be run on the main
-  // thread. This ensures that any tasks queued are abandoned after the
-  // BlimpInputManager is destroyed.
-  base::WeakPtr<BlimpInputManager> input_manager_weak_ptr_;
-
-  std::unique_ptr<ui::InputHandlerProxy> input_handler_proxy_;
-
-  DISALLOW_COPY_AND_ASSIGN(BlimpInputHandlerWrapper);
-};
-
-}  // namespace client
-}  // namespace blimp
-
-#endif  // BLIMP_CLIENT_FEATURE_COMPOSITOR_BLIMP_INPUT_HANDLER_WRAPPER_H_