widget/ContentEvents.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/widget/ContentEvents.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,320 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#ifndef mozilla_ContentEvents_h__
    1.10 +#define mozilla_ContentEvents_h__
    1.11 +
    1.12 +#include <stdint.h>
    1.13 +
    1.14 +#include "mozilla/BasicEvents.h"
    1.15 +#include "mozilla/dom/DataTransfer.h"
    1.16 +#include "mozilla/dom/EventTarget.h"
    1.17 +#include "nsCOMPtr.h"
    1.18 +#include "nsRect.h"
    1.19 +#include "nsStringGlue.h"
    1.20 +
    1.21 +class nsIContent;
    1.22 +
    1.23 +namespace mozilla {
    1.24 +
    1.25 +/******************************************************************************
    1.26 + * mozilla::InternalScrollPortEvent
    1.27 + ******************************************************************************/
    1.28 +
    1.29 +class InternalScrollPortEvent : public WidgetGUIEvent
    1.30 +{
    1.31 +public:
    1.32 +  virtual InternalScrollPortEvent* AsScrollPortEvent() MOZ_OVERRIDE
    1.33 +  {
    1.34 +    return this;
    1.35 +  }
    1.36 +
    1.37 +  enum orientType
    1.38 +  {
    1.39 +    vertical   = 0,
    1.40 +    horizontal = 1,
    1.41 +    both       = 2
    1.42 +  };
    1.43 +
    1.44 +  InternalScrollPortEvent(bool aIsTrusted, uint32_t aMessage,
    1.45 +                          nsIWidget* aWidget) :
    1.46 +    WidgetGUIEvent(aIsTrusted, aMessage, aWidget, NS_SCROLLPORT_EVENT),
    1.47 +    orient(vertical)
    1.48 +  {
    1.49 +  }
    1.50 +
    1.51 +  virtual WidgetEvent* Duplicate() const MOZ_OVERRIDE
    1.52 +  {
    1.53 +    MOZ_ASSERT(eventStructType == NS_SCROLLPORT_EVENT,
    1.54 +               "Duplicate() must be overridden by sub class");
    1.55 +    // Not copying widget, it is a weak reference.
    1.56 +    InternalScrollPortEvent* result =
    1.57 +      new InternalScrollPortEvent(false, message, nullptr);
    1.58 +    result->AssignScrollPortEventData(*this, true);
    1.59 +    result->mFlags = mFlags;
    1.60 +    return result;
    1.61 +  }
    1.62 +
    1.63 +  orientType orient;
    1.64 +
    1.65 +  void AssignScrollPortEventData(const InternalScrollPortEvent& aEvent,
    1.66 +                                 bool aCopyTargets)
    1.67 +  {
    1.68 +    AssignGUIEventData(aEvent, aCopyTargets);
    1.69 +
    1.70 +    orient = aEvent.orient;
    1.71 +  }
    1.72 +};
    1.73 +
    1.74 +/******************************************************************************
    1.75 + * mozilla::InternalScrollPortEvent
    1.76 + ******************************************************************************/
    1.77 +
    1.78 +class InternalScrollAreaEvent : public WidgetGUIEvent
    1.79 +{
    1.80 +public:
    1.81 +  virtual InternalScrollAreaEvent* AsScrollAreaEvent() MOZ_OVERRIDE
    1.82 +  {
    1.83 +    return this;
    1.84 +  }
    1.85 +
    1.86 +  InternalScrollAreaEvent(bool aIsTrusted, uint32_t aMessage,
    1.87 +                          nsIWidget* aWidget) :
    1.88 +    WidgetGUIEvent(aIsTrusted, aMessage, aWidget, NS_SCROLLAREA_EVENT)
    1.89 +  {
    1.90 +  }
    1.91 +
    1.92 +  virtual WidgetEvent* Duplicate() const MOZ_OVERRIDE
    1.93 +  {
    1.94 +    MOZ_ASSERT(eventStructType == NS_SCROLLAREA_EVENT,
    1.95 +               "Duplicate() must be overridden by sub class");
    1.96 +    // Not copying widget, it is a weak reference.
    1.97 +    InternalScrollAreaEvent* result =
    1.98 +      new InternalScrollAreaEvent(false, message, nullptr);
    1.99 +    result->AssignScrollAreaEventData(*this, true);
   1.100 +    result->mFlags = mFlags;
   1.101 +    return result;
   1.102 +  }
   1.103 +
   1.104 +  nsRect mArea;
   1.105 +
   1.106 +  void AssignScrollAreaEventData(const InternalScrollAreaEvent& aEvent,
   1.107 +                                 bool aCopyTargets)
   1.108 +  {
   1.109 +    AssignGUIEventData(aEvent, aCopyTargets);
   1.110 +
   1.111 +    mArea = aEvent.mArea;
   1.112 +  }
   1.113 +};
   1.114 +
   1.115 +/******************************************************************************
   1.116 + * mozilla::InternalFormEvent
   1.117 + *
   1.118 + * We hold the originating form control for form submit and reset events.
   1.119 + * originator is a weak pointer (does not hold a strong reference).
   1.120 + ******************************************************************************/
   1.121 +
   1.122 +class InternalFormEvent : public WidgetEvent
   1.123 +{
   1.124 +public:
   1.125 +  virtual InternalFormEvent* AsFormEvent() MOZ_OVERRIDE { return this; }
   1.126 +
   1.127 +  InternalFormEvent(bool aIsTrusted, uint32_t aMessage) :
   1.128 +    WidgetEvent(aIsTrusted, aMessage, NS_FORM_EVENT),
   1.129 +    originator(nullptr)
   1.130 +  {
   1.131 +  }
   1.132 +
   1.133 +  virtual WidgetEvent* Duplicate() const MOZ_OVERRIDE
   1.134 +  {
   1.135 +    MOZ_ASSERT(eventStructType == NS_FORM_EVENT,
   1.136 +               "Duplicate() must be overridden by sub class");
   1.137 +    InternalFormEvent* result = new InternalFormEvent(false, message);
   1.138 +    result->AssignFormEventData(*this, true);
   1.139 +    result->mFlags = mFlags;
   1.140 +    return result;
   1.141 +  }
   1.142 +
   1.143 +  nsIContent *originator;
   1.144 +
   1.145 +  void AssignFormEventData(const InternalFormEvent& aEvent, bool aCopyTargets)
   1.146 +  {
   1.147 +    AssignEventData(aEvent, aCopyTargets);
   1.148 +
   1.149 +    // Don't copy originator due to a weak pointer.
   1.150 +  }
   1.151 +};
   1.152 +
   1.153 +/******************************************************************************
   1.154 + * mozilla::InternalClipboardEvent
   1.155 + ******************************************************************************/
   1.156 +
   1.157 +class InternalClipboardEvent : public WidgetEvent
   1.158 +{
   1.159 +public:
   1.160 +  virtual InternalClipboardEvent* AsClipboardEvent() MOZ_OVERRIDE
   1.161 +  {
   1.162 +    return this;
   1.163 +  }
   1.164 +
   1.165 +  InternalClipboardEvent(bool aIsTrusted, uint32_t aMessage) :
   1.166 +    WidgetEvent(aIsTrusted, aMessage, NS_CLIPBOARD_EVENT)
   1.167 +  {
   1.168 +  }
   1.169 +
   1.170 +  virtual WidgetEvent* Duplicate() const MOZ_OVERRIDE
   1.171 +  {
   1.172 +    MOZ_ASSERT(eventStructType == NS_CLIPBOARD_EVENT,
   1.173 +               "Duplicate() must be overridden by sub class");
   1.174 +    InternalClipboardEvent* result = new InternalClipboardEvent(false, message);
   1.175 +    result->AssignClipboardEventData(*this, true);
   1.176 +    result->mFlags = mFlags;
   1.177 +    return result;
   1.178 +  }
   1.179 +
   1.180 +  nsCOMPtr<dom::DataTransfer> clipboardData;
   1.181 +
   1.182 +  void AssignClipboardEventData(const InternalClipboardEvent& aEvent,
   1.183 +                                bool aCopyTargets)
   1.184 +  {
   1.185 +    AssignEventData(aEvent, aCopyTargets);
   1.186 +
   1.187 +    clipboardData = aEvent.clipboardData;
   1.188 +  }
   1.189 +};
   1.190 +
   1.191 +/******************************************************************************
   1.192 + * mozilla::InternalFocusEvent
   1.193 + ******************************************************************************/
   1.194 +
   1.195 +class InternalFocusEvent : public InternalUIEvent
   1.196 +{
   1.197 +public:
   1.198 +  virtual InternalFocusEvent* AsFocusEvent() MOZ_OVERRIDE { return this; }
   1.199 +
   1.200 +  InternalFocusEvent(bool aIsTrusted, uint32_t aMessage) :
   1.201 +    InternalUIEvent(aIsTrusted, aMessage, NS_FOCUS_EVENT),
   1.202 +    fromRaise(false), isRefocus(false)
   1.203 +  {
   1.204 +  }
   1.205 +
   1.206 +  virtual WidgetEvent* Duplicate() const MOZ_OVERRIDE
   1.207 +  {
   1.208 +    MOZ_ASSERT(eventStructType == NS_FOCUS_EVENT,
   1.209 +               "Duplicate() must be overridden by sub class");
   1.210 +    InternalFocusEvent* result = new InternalFocusEvent(false, message);
   1.211 +    result->AssignFocusEventData(*this, true);
   1.212 +    result->mFlags = mFlags;
   1.213 +    return result;
   1.214 +  }
   1.215 +
   1.216 +  /// The possible related target
   1.217 +  nsCOMPtr<dom::EventTarget> relatedTarget;
   1.218 +
   1.219 +  bool fromRaise;
   1.220 +  bool isRefocus;
   1.221 +
   1.222 +  void AssignFocusEventData(const InternalFocusEvent& aEvent, bool aCopyTargets)
   1.223 +  {
   1.224 +    AssignUIEventData(aEvent, aCopyTargets);
   1.225 +
   1.226 +    relatedTarget = aCopyTargets ? aEvent.relatedTarget : nullptr;
   1.227 +    fromRaise = aEvent.fromRaise;
   1.228 +    isRefocus = aEvent.isRefocus;
   1.229 +  }
   1.230 +};
   1.231 +
   1.232 +/******************************************************************************
   1.233 + * mozilla::InternalTransitionEvent
   1.234 + ******************************************************************************/
   1.235 +
   1.236 +class InternalTransitionEvent : public WidgetEvent
   1.237 +{
   1.238 +public:
   1.239 +  virtual InternalTransitionEvent* AsTransitionEvent() MOZ_OVERRIDE
   1.240 +  {
   1.241 +    return this;
   1.242 +  }
   1.243 +
   1.244 +  InternalTransitionEvent(bool aIsTrusted, uint32_t aMessage)
   1.245 +    : WidgetEvent(aIsTrusted, aMessage, NS_TRANSITION_EVENT)
   1.246 +    , elapsedTime(0.0)
   1.247 +  {
   1.248 +    mFlags.mCancelable = false;
   1.249 +  }
   1.250 +
   1.251 +  virtual WidgetEvent* Duplicate() const MOZ_OVERRIDE
   1.252 +  {
   1.253 +    MOZ_ASSERT(eventStructType == NS_TRANSITION_EVENT,
   1.254 +               "Duplicate() must be overridden by sub class");
   1.255 +    InternalTransitionEvent* result =
   1.256 +      new InternalTransitionEvent(false, message);
   1.257 +    result->AssignTransitionEventData(*this, true);
   1.258 +    result->mFlags = mFlags;
   1.259 +    return result;
   1.260 +  }
   1.261 +
   1.262 +  nsString propertyName;
   1.263 +  float elapsedTime;
   1.264 +  nsString pseudoElement;
   1.265 +
   1.266 +  void AssignTransitionEventData(const InternalTransitionEvent& aEvent,
   1.267 +                                 bool aCopyTargets)
   1.268 +  {
   1.269 +    AssignEventData(aEvent, aCopyTargets);
   1.270 +
   1.271 +    propertyName = aEvent.propertyName;
   1.272 +    elapsedTime = aEvent.elapsedTime;
   1.273 +    pseudoElement = aEvent.pseudoElement;
   1.274 +  }
   1.275 +};
   1.276 +
   1.277 +/******************************************************************************
   1.278 + * mozilla::InternalAnimationEvent
   1.279 + ******************************************************************************/
   1.280 +
   1.281 +class InternalAnimationEvent : public WidgetEvent
   1.282 +{
   1.283 +public:
   1.284 +  virtual InternalAnimationEvent* AsAnimationEvent() MOZ_OVERRIDE
   1.285 +  {
   1.286 +    return this;
   1.287 +  }
   1.288 +
   1.289 +  InternalAnimationEvent(bool aIsTrusted, uint32_t aMessage)
   1.290 +    : WidgetEvent(aIsTrusted, aMessage, NS_ANIMATION_EVENT)
   1.291 +    , elapsedTime(0.0)
   1.292 +  {
   1.293 +    mFlags.mCancelable = false;
   1.294 +  }
   1.295 +
   1.296 +  virtual WidgetEvent* Duplicate() const MOZ_OVERRIDE
   1.297 +  {
   1.298 +    MOZ_ASSERT(eventStructType == NS_ANIMATION_EVENT,
   1.299 +               "Duplicate() must be overridden by sub class");
   1.300 +    InternalAnimationEvent* result = new InternalAnimationEvent(false, message);
   1.301 +    result->AssignAnimationEventData(*this, true);
   1.302 +    result->mFlags = mFlags;
   1.303 +    return result;
   1.304 +  }
   1.305 +
   1.306 +  nsString animationName;
   1.307 +  float elapsedTime;
   1.308 +  nsString pseudoElement;
   1.309 +
   1.310 +  void AssignAnimationEventData(const InternalAnimationEvent& aEvent,
   1.311 +                                bool aCopyTargets)
   1.312 +  {
   1.313 +    AssignEventData(aEvent, aCopyTargets);
   1.314 +
   1.315 +    animationName = aEvent.animationName;
   1.316 +    elapsedTime = aEvent.elapsedTime;
   1.317 +    pseudoElement = aEvent.pseudoElement;
   1.318 +  }
   1.319 +};
   1.320 +
   1.321 +} // namespace mozilla
   1.322 +
   1.323 +#endif // mozilla_ContentEvents_h__

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