| // Copyright 2013 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 CONTENT_BROWSER_RENDERER_HOST_INPUT_INPUT_ACK_HANDLER_H_ |
| #define CONTENT_BROWSER_RENDERER_HOST_INPUT_INPUT_ACK_HANDLER_H_ |
| |
| #include "base/basictypes.h" |
| #include "content/browser/renderer_host/event_with_latency_info.h" |
| #include "content/common/input/input_event_ack_state.h" |
| #include "content/public/browser/native_web_keyboard_event.h" |
| #include "third_party/WebKit/public/web/WebInputEvent.h" |
| |
| namespace content { |
| |
| // Provided customized ack response for input events. |
| class CONTENT_EXPORT InputAckHandler { |
| public: |
| virtual ~InputAckHandler() {} |
| |
| // Called upon event ack receipt from the renderer. |
| virtual void OnKeyboardEventAck( |
| const NativeWebKeyboardEventWithLatencyInfo& event, |
| InputEventAckState ack_result) = 0; |
| virtual void OnMouseEventAck(const MouseEventWithLatencyInfo& event, |
| InputEventAckState ack_result) = 0; |
| virtual void OnWheelEventAck(const MouseWheelEventWithLatencyInfo& event, |
| InputEventAckState ack_result) = 0; |
| virtual void OnTouchEventAck(const TouchEventWithLatencyInfo& event, |
| InputEventAckState ack_result) = 0; |
| virtual void OnGestureEventAck(const GestureEventWithLatencyInfo& event, |
| InputEventAckState ack_result) = 0; |
| |
| enum UnexpectedEventAckType { |
| UNEXPECTED_ACK, |
| UNEXPECTED_EVENT_TYPE, |
| BAD_ACK_MESSAGE |
| }; |
| virtual void OnUnexpectedEventAck(UnexpectedEventAckType type) = 0; |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_INPUT_ACK_HANDLER_H_ |