| // Copyright 2014 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_COMMON_INPUT_INPUT_EVENT_STREAM_VALIDATOR_H_ |
| #define CONTENT_COMMON_INPUT_INPUT_EVENT_STREAM_VALIDATOR_H_ |
| |
| #include <string> |
| |
| #include "base/macros.h" |
| #include "content/common/input/gesture_event_stream_validator.h" |
| #include "content/common/input/touch_event_stream_validator.h" |
| |
| namespace blink { |
| class WebInputEvent; |
| } |
| |
| namespace content { |
| |
| // DCHECKs that the stream of WebInputEvents passed to OnEvent is |
| // valid. Currently only validates touch and touchscreen gesture events. |
| class InputEventStreamValidator { |
| public: |
| InputEventStreamValidator(); |
| ~InputEventStreamValidator(); |
| |
| void Validate(const blink::WebInputEvent&, |
| const bool fling_cancellation_is_deferred = false); |
| |
| private: |
| bool ValidateImpl(const blink::WebInputEvent&, |
| const bool fling_cancellation_is_deferred, |
| std::string* error_msg); |
| |
| GestureEventStreamValidator gesture_validator_; |
| TouchEventStreamValidator touch_validator_; |
| std::string error_msg_; |
| const bool enabled_; |
| |
| DISALLOW_COPY_AND_ASSIGN(InputEventStreamValidator); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_COMMON_INPUT_INPUT_EVENT_STREAM_VALIDATOR_H_ |