Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #include "base/basictypes.h"
       8             : #include "ipc/IPCMessageUtils.h"
       9             : #include "mozilla/dom/DOMRect.h"
      10             : #include "mozilla/dom/ScrollAreaEvent.h"
      11             : #include "mozilla/ContentEvents.h"
      12             : 
      13             : namespace mozilla {
      14             : namespace dom {
      15             : 
      16           0 : ScrollAreaEvent::ScrollAreaEvent(EventTarget* aOwner,
      17             :                                  nsPresContext* aPresContext,
      18           0 :                                  InternalScrollAreaEvent* aEvent)
      19             :   : UIEvent(aOwner, aPresContext, aEvent)
      20           0 :   , mClientArea(new DOMRect(nullptr))
      21             : {
      22           0 :   mClientArea->SetLayoutRect(aEvent ? aEvent->mArea : nsRect());
      23           0 : }
      24             : 
      25           0 : NS_IMPL_CYCLE_COLLECTION_INHERITED(ScrollAreaEvent, UIEvent,
      26             :                                    mClientArea)
      27             : 
      28           0 : NS_IMPL_ADDREF_INHERITED(ScrollAreaEvent, UIEvent)
      29           0 : NS_IMPL_RELEASE_INHERITED(ScrollAreaEvent, UIEvent)
      30             : 
      31           0 : NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(ScrollAreaEvent)
      32           0 : NS_INTERFACE_MAP_END_INHERITING(UIEvent)
      33             : 
      34             : void
      35           0 : ScrollAreaEvent::InitScrollAreaEvent(const nsAString& aEventType,
      36             :                                      bool aCanBubble,
      37             :                                      bool aCancelable,
      38             :                                      nsGlobalWindow* aView,
      39             :                                      int32_t aDetail,
      40             :                                      float aX,
      41             :                                      float aY,
      42             :                                      float aWidth,
      43             :                                      float aHeight)
      44             : {
      45           0 :   NS_ENSURE_TRUE_VOID(!mEvent->mFlags.mIsBeingDispatched);
      46             : 
      47           0 :   UIEvent::InitUIEvent(aEventType, aCanBubble, aCancelable, aView, aDetail);
      48           0 :   mClientArea->SetRect(aX, aY, aWidth, aHeight);
      49             : }
      50             : 
      51             : NS_IMETHODIMP_(void)
      52           0 : ScrollAreaEvent::Serialize(IPC::Message* aMsg,
      53             :                            bool aSerializeInterfaceType)
      54             : {
      55           0 :   if (aSerializeInterfaceType) {
      56           0 :     IPC::WriteParam(aMsg, NS_LITERAL_STRING("scrollareaevent"));
      57             :   }
      58             : 
      59           0 :   Event::Serialize(aMsg, false);
      60             : 
      61           0 :   IPC::WriteParam(aMsg, X());
      62           0 :   IPC::WriteParam(aMsg, Y());
      63           0 :   IPC::WriteParam(aMsg, Width());
      64           0 :   IPC::WriteParam(aMsg, Height());
      65           0 : }
      66             : 
      67             : NS_IMETHODIMP_(bool)
      68           0 : ScrollAreaEvent::Deserialize(const IPC::Message* aMsg, PickleIterator* aIter)
      69             : {
      70           0 :   NS_ENSURE_TRUE(Event::Deserialize(aMsg, aIter), false);
      71             : 
      72             :   float x, y, width, height;
      73           0 :   NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &x), false);
      74           0 :   NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &y), false);
      75           0 :   NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &width), false);
      76           0 :   NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &height), false);
      77           0 :   mClientArea->SetRect(x, y, width, height);
      78             : 
      79           0 :   return true;
      80             : }
      81             : 
      82             : } // namespace dom
      83             : } // namespace mozilla
      84             : 
      85             : using namespace mozilla;
      86             : using namespace mozilla::dom;
      87             : 
      88             : already_AddRefed<ScrollAreaEvent>
      89           0 : NS_NewDOMScrollAreaEvent(EventTarget* aOwner,
      90             :                          nsPresContext* aPresContext,
      91             :                          InternalScrollAreaEvent* aEvent)
      92             : {
      93             :   RefPtr<ScrollAreaEvent> ev =
      94           0 :     new ScrollAreaEvent(aOwner, aPresContext, aEvent);
      95           0 :   return ev.forget();
      96             : }