зеркало из https://github.com/mozilla/gecko-dev.git
126 строки
3.5 KiB
C++
126 строки
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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// CProgressListener.cp
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#include "CProgressListener.h"
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#include "CProgressCaption.h"
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#include "CNSContext.h" // for progress messages
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#include "xp.h"
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#include <LCaption.h>
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#define MIN_TICKS (60/4) // Don't refresh the progress bar more than 4x /sec.
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//-----------------------------------
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CProgressListener::CProgressListener(LView* super, LBroadcaster* context)
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//-----------------------------------
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{
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Assert_(super);
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Assert_(context);
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mProgressCaption = dynamic_cast<CProgressCaption*>(super->FindPaneByID('Stat'));
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mProgressLastTicks = 0;
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mMessageLastTicks = 0;
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mPercentLastTicks = 0;
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mLaziness = mPreviousLaziness = lazy_NotAtAll;
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Assert_(mProgressCaption);
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context->AddListener(this);
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} // CProgressListener::CProgressListener
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//-----------------------------------
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CProgressListener::~CProgressListener()
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//-----------------------------------
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{
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} // CProgressListener::~CProgressListener()
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//-----------------------------------
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void CProgressListener::SetLaziness(ProgressBarLaziness inLaziness)
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//-----------------------------------
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{
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mPreviousLaziness = mLaziness;
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mLaziness = inLaziness;
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}
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//-----------------------------------
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void CProgressListener::ListenToMessage(MessageT inMessage, void *ioParam)
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//-----------------------------------
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{
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if (!mProgressCaption)
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return;
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switch (inMessage)
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{
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// case msg_NSCStartLoadURL:
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// case msg_NSCProgressBegin:
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// // context is busy
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// break;
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case msg_NSCProgressEnd:
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case msg_NSCAllConnectionsComplete:
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case msg_NSCFinishedLayout:
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if (mLaziness == lazy_VeryButForThisCommandOnly)
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mLaziness = mPreviousLaziness;
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mProgressCaption->SetValue(0);
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mProgressCaption->SetDescriptor("\p");
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break;
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case msg_NSCProgressUpdate:
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if (mLaziness != lazy_VeryButForThisCommandOnly)
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{
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if (::TickCount() - mProgressLastTicks >= MIN_TICKS)
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{
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mProgressLastTicks = ::TickCount();
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CContextProgress* progress = (CContextProgress*)ioParam;
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mProgressCaption->SetDescriptor(progress->mMessage);
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}
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}
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break;
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case msg_NSCProgressMessageChanged:
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Boolean displayIt = true;
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if (mLaziness == lazy_JustABit || mLaziness == lazy_VeryButForThisCommandOnly)
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{
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if (::TickCount() - mMessageLastTicks < MIN_TICKS)
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displayIt = false;
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}
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if (displayIt)
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{
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mMessageLastTicks = ::TickCount();
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if (ioParam)
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mProgressCaption->SetDescriptor(TString<Str255>((const char*)ioParam));
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else
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mProgressCaption->SetDescriptor("\p");
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}
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break;
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case msg_NSCProgressPercentChanged:
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if (::TickCount() - mPercentLastTicks >= MIN_TICKS)
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{
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mPercentLastTicks = ::TickCount();
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mProgressCaption->SetValue(*(Int32*)ioParam);
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}
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break;
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}
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} // CProgressListener::ListenToMessage
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