| // 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_RENDERER_INPUT_INPUT_HANDLER_MANAGER_CLIENT_H_ |
| #define CONTENT_RENDERER_INPUT_INPUT_HANDLER_MANAGER_CLIENT_H_ |
| |
| #include "base/callback.h" |
| #include "base/callback_forward.h" |
| #include "base/macros.h" |
| #include "content/common/content_export.h" |
| #include "content/common/input/input_event_ack_state.h" |
| #include "third_party/WebKit/public/web/WebInputEvent.h" |
| #include "ui/gfx/geometry/vector2d_f.h" |
| |
| namespace ui { |
| class LatencyInfo; |
| } |
| |
| namespace cc { |
| class InputHandler; |
| } |
| |
| namespace ui { |
| class SynchronousInputHandlerProxy; |
| } |
| |
| namespace content { |
| struct DidOverscrollParams; |
| |
| class CONTENT_EXPORT InputHandlerManagerClient { |
| public: |
| virtual ~InputHandlerManagerClient() {} |
| |
| // The Manager will supply a |handler| when bound to the client. This is valid |
| // until the manager shuts down, at which point it supplies a null |handler|. |
| // The client should only makes calls to |handler| on the compositor thread. |
| typedef base::Callback< |
| InputEventAckState(int /*routing_id*/, |
| const blink::WebInputEvent*, |
| ui::LatencyInfo* latency_info)> Handler; |
| |
| // Called from the main thread. |
| virtual void SetBoundHandler(const Handler& handler) = 0; |
| |
| // Called from the compositor thread. |
| virtual void DidAddInputHandler(int routing_id) = 0; |
| virtual void DidRemoveInputHandler(int routing_id) = 0; |
| virtual void DidOverscroll(int routing_id, |
| const DidOverscrollParams& params) = 0; |
| virtual void DidStopFlinging(int routing_id) = 0; |
| virtual void NotifyInputEventHandled(int routing_id, |
| blink::WebInputEvent::Type type) = 0; |
| |
| protected: |
| InputHandlerManagerClient() {} |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(InputHandlerManagerClient); |
| }; |
| |
| class CONTENT_EXPORT SynchronousInputHandlerProxyClient { |
| public: |
| virtual ~SynchronousInputHandlerProxyClient() {} |
| |
| virtual void DidAddSynchronousHandlerProxy( |
| int routing_id, |
| ui::SynchronousInputHandlerProxy* synchronous_handler) = 0; |
| virtual void DidRemoveSynchronousHandlerProxy(int routing_id) = 0; |
| |
| protected: |
| SynchronousInputHandlerProxyClient() {} |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(SynchronousInputHandlerProxyClient); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_RENDERER_INPUT_INPUT_HANDLER_MANAGER_CLIENT_H_ |