Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim:set ts=2 sw=2 sts=2 et cindent: */
       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 "Timeout.h"
       8             : 
       9             : #include "mozilla/dom/TimeoutManager.h"
      10             : 
      11             : namespace mozilla {
      12             : namespace dom {
      13             : 
      14          13 : Timeout::Timeout()
      15             :   : mCleared(false),
      16             :     mRunning(false),
      17             :     mIsInterval(false),
      18             :     mIsTracking(false),
      19             :     mReason(Reason::eTimeoutOrInterval),
      20             :     mTimeoutId(0),
      21             :     mInterval(0),
      22             :     mFiringId(TimeoutManager::InvalidFiringId),
      23             :     mNestingLevel(0),
      24          13 :     mPopupState(openAllowed)
      25             : {
      26          13 : }
      27             : 
      28             : NS_IMPL_CYCLE_COLLECTION_CLASS(Timeout)
      29             : 
      30           0 : NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(Timeout)
      31           0 :   NS_IMPL_CYCLE_COLLECTION_UNLINK(mWindow)
      32           0 :   NS_IMPL_CYCLE_COLLECTION_UNLINK(mScriptHandler)
      33           0 :   tmp->remove();
      34           0 : NS_IMPL_CYCLE_COLLECTION_UNLINK_END
      35             : 
      36           0 : NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(Timeout)
      37           0 :   NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mWindow)
      38           0 :   NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mScriptHandler)
      39           0 : NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
      40             : 
      41           0 : NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(Timeout, AddRef)
      42           0 : NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(Timeout, Release)
      43             : 
      44             : void
      45          13 : Timeout::SetWhenOrTimeRemaining(const TimeStamp& aBaseTime,
      46             :                                 const TimeDuration& aDelay)
      47             : {
      48          13 :   MOZ_DIAGNOSTIC_ASSERT(mWindow);
      49             : 
      50             :   // If we are frozen simply set mTimeRemaining to be the "time remaining" in
      51             :   // the timeout (i.e., the interval itself).  This will be used to create a
      52             :   // new mWhen time when the window is thawed.  The end effect is that time does
      53             :   // not appear to pass for frozen windows.
      54          13 :   if (mWindow->IsFrozen()) {
      55           0 :     mWhen = TimeStamp();
      56           0 :     mTimeRemaining = aDelay;
      57           0 :     return;
      58             :   }
      59             : 
      60             :   // Since we are not frozen we must set a precise mWhen target wakeup
      61             :   // time.  Even if we are suspended we want to use this target time so
      62             :   // that it appears time passes while suspended.
      63          13 :   mWhen = aBaseTime + aDelay;
      64          13 :   mTimeRemaining = TimeDuration(0);
      65             : }
      66             : 
      67             : const TimeStamp&
      68         113 : Timeout::When() const
      69             : {
      70         113 :   MOZ_DIAGNOSTIC_ASSERT(!mWhen.IsNull());
      71             :   // Note, mWindow->IsFrozen() can be true here.  The Freeze() method calls
      72             :   // When() to calculate the delay to populate mTimeRemaining.
      73         113 :   return mWhen;
      74             : }
      75             : 
      76             : const TimeDuration&
      77           0 : Timeout::TimeRemaining() const
      78             : {
      79           0 :   MOZ_DIAGNOSTIC_ASSERT(mWhen.IsNull());
      80             :   // Note, mWindow->IsFrozen() can be false here.  The Thaw() method calls
      81             :   // TimeRemaining() to calculate the new When() value.
      82           0 :   return mTimeRemaining;
      83             : }
      84             : 
      85             : } // namespace dom
      86             : } // namespace mozilla