widget/MiscEvents.h
author Doug Turner <doug.turner@gmail.com>
Tue, 03 Feb 2015 17:00:00 +0100
changeset 243715 840987c23fc597bdaad4567c2387ba1aa06c65d0
parent 219296 17473a495afbe09ba031b4bbf97d0fbff0e975ec
child 257987 a20c7910a82fa2df2f3398c1108d102bac9128b0
permissions -rw-r--r--
Bug 1045229 - Beacons are not associated with windows. The current window based filtering that the network monitor does will skip requests that come from sendBeacon(). Here we explictly look to see if the network channel is from beacon by looking at the loadinfo. r=dcamp, a=sledru

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_MiscEvents_h__
#define mozilla_MiscEvents_h__

#include <stdint.h>

#include "mozilla/BasicEvents.h"
#include "nsCOMPtr.h"
#include "nsIAtom.h"
#include "nsITransferable.h"

namespace mozilla {

/******************************************************************************
 * mozilla::WidgetContentCommandEvent
 ******************************************************************************/

class WidgetContentCommandEvent : public WidgetGUIEvent
{
public:
  virtual WidgetContentCommandEvent* AsContentCommandEvent() MOZ_OVERRIDE
  {
    return this;
  }

  WidgetContentCommandEvent(bool aIsTrusted, uint32_t aMessage,
                            nsIWidget* aWidget,
                            bool aOnlyEnabledCheck = false)
    : WidgetGUIEvent(aIsTrusted, aMessage, aWidget, eContentCommandEventClass)
    , mOnlyEnabledCheck(aOnlyEnabledCheck)
    , mSucceeded(false)
    , mIsEnabled(false)
  {
  }

  virtual WidgetEvent* Duplicate() const MOZ_OVERRIDE
  {
    // This event isn't an internal event of any DOM event.
    NS_ASSERTION(!IsAllowedToDispatchDOMEvent(),
      "WidgetQueryContentEvent needs to support Duplicate()");
    MOZ_CRASH("WidgetQueryContentEvent doesn't support Duplicate()");
    return nullptr;
  }

  // NS_CONTENT_COMMAND_PASTE_TRANSFERABLE
  nsCOMPtr<nsITransferable> mTransferable; // [in]

  // NS_CONTENT_COMMAND_SCROLL
  // for mScroll.mUnit
  enum
  {
    eCmdScrollUnit_Line,
    eCmdScrollUnit_Page,
    eCmdScrollUnit_Whole
  };

  struct ScrollInfo
  {
    ScrollInfo() :
      mAmount(0), mUnit(eCmdScrollUnit_Line), mIsHorizontal(false)
    {
    }

    int32_t mAmount;    // [in]
    uint8_t mUnit;      // [in]
    bool mIsHorizontal; // [in]
  } mScroll;

  bool mOnlyEnabledCheck; // [in]

  bool mSucceeded; // [out]
  bool mIsEnabled; // [out]

  void AssignContentCommandEventData(const WidgetContentCommandEvent& aEvent,
                                     bool aCopyTargets)
  {
    AssignGUIEventData(aEvent, aCopyTargets);

    mScroll = aEvent.mScroll;
    mOnlyEnabledCheck = aEvent.mOnlyEnabledCheck;
    mSucceeded = aEvent.mSucceeded;
    mIsEnabled = aEvent.mIsEnabled;
  }
};

/******************************************************************************
 * mozilla::WidgetCommandEvent
 *
 * This sends a command to chrome.  If you want to request what is performed
 * in focused content, you should use WidgetContentCommandEvent instead.
 *
 * XXX Should be |WidgetChromeCommandEvent|?
 ******************************************************************************/

class WidgetCommandEvent : public WidgetGUIEvent
{
public:
  virtual WidgetCommandEvent* AsCommandEvent() MOZ_OVERRIDE { return this; }

  WidgetCommandEvent(bool aIsTrusted, nsIAtom* aEventType,
                     nsIAtom* aCommand, nsIWidget* aWidget)
    : WidgetGUIEvent(aIsTrusted, NS_USER_DEFINED_EVENT, aWidget,
                     eCommandEventClass)
    , command(aCommand)
  {
    userType = aEventType;
  }

  virtual WidgetEvent* Duplicate() const MOZ_OVERRIDE
  {
    MOZ_ASSERT(mClass == eCommandEventClass,
               "Duplicate() must be overridden by sub class");
    // Not copying widget, it is a weak reference.
    WidgetCommandEvent* result =
      new WidgetCommandEvent(false, userType, command, nullptr);
    result->AssignCommandEventData(*this, true);
    result->mFlags = mFlags;
    return result;
  }

  nsCOMPtr<nsIAtom> command;

  // XXX Not tested by test_assign_event_data.html
  void AssignCommandEventData(const WidgetCommandEvent& aEvent,
                              bool aCopyTargets)
  {
    AssignGUIEventData(aEvent, aCopyTargets);

    // command must have been initialized with the constructor.
  }
};

/******************************************************************************
 * mozilla::WidgetPluginEvent
 *
 * This event delivers only a native event to focused plugin.
 ******************************************************************************/

class WidgetPluginEvent : public WidgetGUIEvent
{
public:
  virtual WidgetPluginEvent* AsPluginEvent() MOZ_OVERRIDE { return this; }

  WidgetPluginEvent(bool aIsTrusted, uint32_t aMessage, nsIWidget* aWidget)
    : WidgetGUIEvent(aIsTrusted, aMessage, aWidget, ePluginEventClass)
    , retargetToFocusedDocument(false)
  {
  }

  virtual WidgetEvent* Duplicate() const MOZ_OVERRIDE
  {
    // NOTE: PluginEvent has to be dispatched to nsIFrame::HandleEvent().
    //       So, this event needs to support Duplicate().
    MOZ_ASSERT(mClass == ePluginEventClass,
               "Duplicate() must be overridden by sub class");
    // Not copying widget, it is a weak reference.
    WidgetPluginEvent* result = new WidgetPluginEvent(false, message, nullptr);
    result->AssignPluginEventData(*this, true);
    result->mFlags = mFlags;
    return result;
  }

  // If true, this event needs to be retargeted to focused document.
  // Otherwise, never retargeted. Defaults to false.
  bool retargetToFocusedDocument;

  void AssignPluginEventData(const WidgetPluginEvent& aEvent,
                             bool aCopyTargets)
  {
    AssignGUIEventData(aEvent, aCopyTargets);

    retargetToFocusedDocument = aEvent.retargetToFocusedDocument;
  }
};

} // namespace mozilla

#endif // mozilla_MiscEvents_h__