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

blimp/client/feature/compositor/blimp_input_handler_wrapper.cc

-// Copyright 2015 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.
-
-#include "blimp/client/feature/compositor/blimp_input_handler_wrapper.h"
-
-#include "base/bind.h"
-#include "base/location.h"
-#include "base/logging.h"
-#include "blimp/client/feature/compositor/blimp_input_manager.h"
-#include "ui/events/gestures/blink/web_gesture_curve_impl.h"
-
-namespace blimp {
-namespace client {
-
-BlimpInputHandlerWrapper::BlimpInputHandlerWrapper(
-    scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
-    const base::WeakPtr<BlimpInputManager> input_manager_weak_ptr,
-    cc::InputHandler* input_handler)
-    : main_task_runner_(main_task_runner),
-      input_manager_weak_ptr_(input_manager_weak_ptr) {
-  DCHECK(compositor_thread_checker_.CalledOnValidThread());
-  DCHECK(input_handler);
-  input_handler_proxy_.reset(
-      new ui::InputHandlerProxy(input_handler, this));
-}
-
-BlimpInputHandlerWrapper::~BlimpInputHandlerWrapper() {
-  DCHECK(compositor_thread_checker_.CalledOnValidThread());
-
-  // The input handler proxy must have been shutdown by the cc::InputHandler
-  // before the InputHandlerWrapper is destroyed.
-  DCHECK(!input_handler_proxy_);
-}
-
-void BlimpInputHandlerWrapper::HandleWebGestureEvent(
-    const blink::WebGestureEvent& gesture_event) {
-  DCHECK(compositor_thread_checker_.CalledOnValidThread());
-
-  // We might not have the input handler proxy anymore.
-  if (!input_handler_proxy_)
-    return;
-
-  ui::InputHandlerProxy::EventDisposition disposition =
-      input_handler_proxy_->HandleInputEvent(gesture_event);
-
-  bool consumed = false;
-
-  switch (disposition) {
-    case ui::InputHandlerProxy::EventDisposition::DID_HANDLE:
-    case ui::InputHandlerProxy::EventDisposition::DROP_EVENT:
-      consumed = true;
-      break;
-    case ui::InputHandlerProxy::EventDisposition::DID_HANDLE_NON_BLOCKING:
-    case ui::InputHandlerProxy::EventDisposition::DID_NOT_HANDLE:
-      consumed = false;
-      break;
-  }
-
-  main_task_runner_->PostTask(
-      FROM_HERE, base::Bind(&BlimpInputManager::DidHandleWebGestureEvent,
-                            input_manager_weak_ptr_, gesture_event, consumed));
-}
-
-void BlimpInputHandlerWrapper::WillShutdown() {
-  DCHECK(compositor_thread_checker_.CalledOnValidThread());
-
-  input_handler_proxy_.reset();
-}
-
-void BlimpInputHandlerWrapper::TransferActiveWheelFlingAnimation(
-    const blink::WebActiveWheelFlingParameters& params) {
-  DCHECK(compositor_thread_checker_.CalledOnValidThread());
-
-  NOTIMPLEMENTED() <<
-      "Transferring Fling Animations to the engine is not supported";
-}
-
-blink::WebGestureCurve* BlimpInputHandlerWrapper::CreateFlingAnimationCurve(
-      blink::WebGestureDevice device_source,
-      const blink::WebFloatPoint& velocity,
-      const blink::WebSize& cumulative_scroll) {
-  DCHECK(compositor_thread_checker_.CalledOnValidThread());
-
-  return ui::WebGestureCurveImpl::CreateFromDefaultPlatformCurve(
-               gfx::Vector2dF(velocity.x, velocity.y),
-               gfx::Vector2dF(cumulative_scroll.width,
-                              cumulative_scroll.height),
-               false /* on_main_thread */).release();
-}
-
-void BlimpInputHandlerWrapper::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) {
-  DCHECK(compositor_thread_checker_.CalledOnValidThread());
-}
-
-void BlimpInputHandlerWrapper::DidStartFlinging() {
-  DCHECK(compositor_thread_checker_.CalledOnValidThread());
-}
-
-void BlimpInputHandlerWrapper::DidStopFlinging() {
-  DCHECK(compositor_thread_checker_.CalledOnValidThread());
-}
-
-void BlimpInputHandlerWrapper::DidAnimateForInput() {
-  DCHECK(compositor_thread_checker_.CalledOnValidThread());
-}
-
-}  // namespace client
-}  // namespace blimp