| /* |
| * Copyright (C) 2011 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef PlatformEvent_h |
| #define PlatformEvent_h |
| |
| #include "wtf/Allocator.h" |
| #include "wtf/Noncopyable.h" |
| |
| namespace blink { |
| |
| class PlatformEvent { |
| DISALLOW_NEW(); |
| public: |
| enum EventType { |
| NoType = 0, |
| |
| // PlatformKeyboardEvent |
| KeyDown, |
| KeyUp, |
| RawKeyDown, |
| Char, |
| |
| // PlatformMouseEvent |
| MouseMoved, |
| MousePressed, |
| MouseReleased, |
| MouseScroll, |
| |
| // PlatformWheelEvent |
| Wheel, |
| |
| // PlatformGestureEvent |
| GestureScrollBegin, |
| GestureScrollEnd, |
| GestureScrollUpdate, |
| GestureTap, |
| GestureTapUnconfirmed, |
| GestureTapDown, |
| GestureShowPress, |
| GestureTapDownCancel, |
| GestureTwoFingerTap, |
| GestureLongPress, |
| GestureLongTap, |
| GesturePinchBegin, |
| GesturePinchEnd, |
| GesturePinchUpdate, |
| GestureFlingStart, |
| |
| // PlatformTouchEvent |
| TouchStart, |
| TouchMove, |
| TouchEnd, |
| TouchCancel, |
| TouchScrollStarted, |
| }; |
| |
| // These values are direct mappings of the values in WebInputEvent so the values can be cast between the |
| // enumerations. static_asserts checking this are in web/WebInputEventConversion.cpp. |
| enum Modifiers { |
| NoModifiers = 0, |
| ShiftKey = 1 << 0, |
| CtrlKey = 1 << 1, |
| AltKey = 1 << 2, |
| MetaKey = 1 << 3, |
| |
| IsKeyPad = 1 << 4, |
| IsAutoRepeat = 1 << 5, |
| |
| LeftButtonDown = 1 << 6, |
| MiddleButtonDown = 1 << 7, |
| RightButtonDown = 1 << 8, |
| |
| CapsLockOn = 1 << 9, |
| NumLockOn = 1 << 10, |
| |
| IsLeft = 1 << 11, |
| IsRight = 1 << 12, |
| IsTouchAccessibility = 1 << 13, |
| IsComposing = 1 << 14, |
| |
| AltGrKey = 1 << 15, |
| FnKey = 1 << 16, |
| SymbolKey = 1 << 17, |
| |
| ScrollLockOn = 1 << 18, |
| |
| // The set of non-stateful modifiers that specifically change the |
| // interpretation of the key being pressed. For example; IsLeft, |
| // IsRight, IsComposing don't change the meaning of the key |
| // being pressed. NumLockOn, ScrollLockOn, CapsLockOn are stateful |
| // and don't indicate explicit depressed state. |
| KeyModifiers = SymbolKey | FnKey | AltGrKey | MetaKey | AltKey | CtrlKey | ShiftKey, |
| }; |
| |
| enum RailsMode { |
| RailsModeFree = 0, |
| RailsModeHorizontal = 1, |
| RailsModeVertical = 2, |
| }; |
| |
| // These values are direct mappings of the values in WebInputEvent |
| // so the values can be cast between the enumerations. static_asserts |
| // checking this are in web/WebInputEventConversion.cpp. |
| enum DispatchType { |
| Blocking, |
| EventNonBlocking, |
| // All listeners are passive. |
| ListenersNonBlockingPassive, |
| // This value represents a state which would have normally blocking |
| // but was forced to be non-blocking during fling; not cancelable. |
| ListenersForcedNonBlockingDueToFling, |
| }; |
| |
| EventType type() const { return static_cast<EventType>(m_type); } |
| |
| bool shiftKey() const { return m_modifiers & ShiftKey; } |
| bool ctrlKey() const { return m_modifiers & CtrlKey; } |
| bool altKey() const { return m_modifiers & AltKey; } |
| bool metaKey() const { return m_modifiers & MetaKey; } |
| |
| Modifiers getModifiers() const { return static_cast<Modifiers>(m_modifiers); } |
| |
| double timestamp() const { return m_timestamp; } |
| |
| protected: |
| PlatformEvent() |
| : m_type(NoType) |
| , m_modifiers() |
| , m_timestamp(0) |
| { |
| } |
| |
| explicit PlatformEvent(EventType type) |
| : m_type(type) |
| , m_modifiers(0) |
| , m_timestamp(0) |
| { |
| } |
| |
| PlatformEvent(EventType type, Modifiers modifiers, double timestamp) |
| : m_type(type) |
| , m_modifiers(modifiers) |
| , m_timestamp(timestamp) |
| { |
| } |
| |
| // Explicit protected destructor so that people don't accidentally |
| // delete a PlatformEvent. |
| ~PlatformEvent() |
| { |
| } |
| |
| unsigned m_type; |
| unsigned m_modifiers; |
| double m_timestamp; |
| }; |
| |
| } // namespace blink |
| |
| #endif // PlatformEvent_h |