| // 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_H_ |
| #define CONTENT_RENDERER_INPUT_INPUT_HANDLER_MANAGER_H_ |
| |
| #include "base/containers/scoped_ptr_hash_map.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/weak_ptr.h" |
| #include "content/common/input/input_event_ack_state.h" |
| #include "content/renderer/render_view_impl.h" |
| |
| namespace base { |
| class MessageLoopProxy; |
| } |
| |
| namespace cc { |
| class InputHandler; |
| } |
| |
| namespace blink { |
| class WebInputEvent; |
| } |
| |
| namespace content { |
| |
| class InputHandlerWrapper; |
| class InputHandlerManagerClient; |
| struct DidOverscrollParams; |
| |
| // InputHandlerManager class manages InputHandlerProxy instances for |
| // the WebViews in this renderer. |
| class InputHandlerManager { |
| public: |
| // |message_loop_proxy| is the MessageLoopProxy of the compositor thread. Both |
| // the underlying MessageLoop and supplied |client| must outlive this object. |
| InputHandlerManager( |
| const scoped_refptr<base::MessageLoopProxy>& message_loop_proxy, |
| InputHandlerManagerClient* client); |
| ~InputHandlerManager(); |
| |
| // Callable from the main thread only. |
| void AddInputHandler( |
| int routing_id, |
| const base::WeakPtr<cc::InputHandler>& input_handler, |
| const base::WeakPtr<RenderViewImpl>& render_view_impl); |
| |
| // Callback only from the compositor's thread. |
| void RemoveInputHandler(int routing_id); |
| |
| // Called from the compositor's thread. |
| InputEventAckState HandleInputEvent(int routing_id, |
| const blink::WebInputEvent* input_event, |
| ui::LatencyInfo* latency_info); |
| |
| // Called from the compositor's thread. |
| void DidOverscroll(int routing_id, const DidOverscrollParams& params); |
| |
| // Called from the compositor's thread. |
| void DidStopFlinging(int routing_id); |
| |
| private: |
| // Called from the compositor's thread. |
| void AddInputHandlerOnCompositorThread( |
| int routing_id, |
| const scoped_refptr<base::MessageLoopProxy>& main_loop, |
| const base::WeakPtr<cc::InputHandler>& input_handler, |
| const base::WeakPtr<RenderViewImpl>& render_view_impl); |
| |
| typedef base::ScopedPtrHashMap<int, // routing_id |
| InputHandlerWrapper> InputHandlerMap; |
| InputHandlerMap input_handlers_; |
| |
| scoped_refptr<base::MessageLoopProxy> message_loop_proxy_; |
| InputHandlerManagerClient* client_; |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_RENDERER_INPUT_INPUT_HANDLER_MANAGER_H_ |