| // Copyright 2017 The Cobalt Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef COBALT_DOM_MOUSE_EVENT_H_ |
| #define COBALT_DOM_MOUSE_EVENT_H_ |
| |
| #include <string> |
| |
| #include "cobalt/base/token.h" |
| #include "cobalt/dom/event_target.h" |
| #include "cobalt/dom/mouse_event_init.h" |
| #include "cobalt/dom/ui_event_with_key_state.h" |
| |
| namespace cobalt { |
| namespace dom { |
| |
| // The MouseEvent provides specific contextual information associated with |
| // mouse devices. |
| // https://www.w3.org/TR/2016/WD-uievents-20160804/#events-mouseevents |
| class MouseEvent : public UIEventWithKeyState { |
| public: |
| explicit MouseEvent(const std::string& type); |
| MouseEvent(const std::string& type, const MouseEventInit& init_dict); |
| MouseEvent(base::Token type, const scoped_refptr<Window>& view, |
| const MouseEventInit& init_dict); |
| MouseEvent(base::Token type, Bubbles bubbles, Cancelable cancelable, |
| const scoped_refptr<Window>& view, |
| const MouseEventInit& init_dict); |
| |
| // Creates an event with its "initialized flag" unset. |
| explicit MouseEvent(UninitializedFlag uninitialized_flag); |
| |
| void InitMouseEvent(const std::string& type, bool bubbles, bool cancelable, |
| const scoped_refptr<Window>& view, int32 detail, |
| int32 screen_x, int32 screen_y, int32 client_x, |
| int32 client_y, bool ctrl_key, bool alt_key, |
| bool shift_key, bool meta_key, uint16 button, |
| const scoped_refptr<EventTarget>& related_target); |
| |
| void InitMouseEvent(const std::string& type, bool bubbles, bool cancelable, |
| const scoped_refptr<Window>& view, int32 detail, |
| int32 screen_x, int32 screen_y, int32 client_x, |
| int32 client_y, const std::string& modifierslist, |
| uint16 button, |
| const scoped_refptr<EventTarget>& related_target); |
| |
| float screen_x() const { return screen_x_; } |
| float screen_y() const { return screen_y_; } |
| float client_x() const { return client_x_; } |
| float client_y() const { return client_y_; } |
| |
| // Web API: CSSOM View Module: Extensions to the MouseEvent Interface |
| // (partial interface). This also changes screen_* and client_* above from |
| // long to double. |
| // https://www.w3.org/TR/2013/WD-cssom-view-20131217/#extensions-to-the-mouseevent-interface |
| float page_x() const; |
| float page_y() const; |
| float x() const { return static_cast<float>(client_x_); } |
| float y() const { return static_cast<float>(client_y_); } |
| float offset_x(); |
| float offset_y() const; |
| |
| int16_t button() const { return button_; } |
| uint16_t buttons() const { return buttons_; } |
| |
| void set_related_target(const scoped_refptr<EventTarget>& target) { |
| related_target_ = target; |
| } |
| |
| const scoped_refptr<EventTarget>& related_target() const { |
| return related_target_; |
| } |
| |
| // Web API: UIEvent |
| // This contains a value equal to the value stored in button+1. |
| // https://w3c.github.io/uievents/#dom-uievent-which |
| uint32 which() const override; |
| |
| DEFINE_WRAPPABLE_TYPE(MouseEvent); |
| void TraceMembers(script::Tracer* tracer) override; |
| |
| protected: |
| ~MouseEvent() override {} |
| |
| private: |
| float screen_x_; |
| float screen_y_; |
| float client_x_; |
| float client_y_; |
| int16_t button_; |
| uint16_t buttons_; |
| |
| scoped_refptr<EventTarget> related_target_; |
| }; |
| |
| } // namespace dom |
| } // namespace cobalt |
| |
| #endif // COBALT_DOM_MOUSE_EVENT_H_ |