mirror of
https://github.com/classilla/tenfourfox.git
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81 lines
2.8 KiB
C++
81 lines
2.8 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsBrowserStatusFilter_h__
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#define nsBrowserStatusFilter_h__
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#include "nsIWebProgressListener.h"
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#include "nsIWebProgressListener2.h"
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#include "nsIWebProgress.h"
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#include "nsWeakReference.h"
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#include "nsITimer.h"
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#include "nsCOMPtr.h"
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#include "nsString.h"
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//-----------------------------------------------------------------------------
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// nsBrowserStatusFilter - a web progress listener implementation designed to
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// sit between nsDocLoader and nsBrowserStatusHandler to filter out and limit
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// the frequency of certain events to improve page load performance.
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//-----------------------------------------------------------------------------
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class nsBrowserStatusFilter : public nsIWebProgress
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, public nsIWebProgressListener2
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, public nsSupportsWeakReference
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{
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public:
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nsBrowserStatusFilter();
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NS_DECL_ISUPPORTS
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NS_DECL_NSIWEBPROGRESS
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NS_DECL_NSIWEBPROGRESSLISTENER
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NS_DECL_NSIWEBPROGRESSLISTENER2
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protected:
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virtual ~nsBrowserStatusFilter();
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private:
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nsresult StartDelayTimer();
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void ProcessTimeout();
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void MaybeSendProgress();
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void MaybeSendStatus();
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void ResetMembers();
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bool DelayInEffect() { return mDelayedStatus || mDelayedProgress; }
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static void TimeoutHandler(nsITimer *aTimer, void *aClosure);
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private:
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nsCOMPtr<nsIWebProgressListener> mListener;
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nsCOMPtr<nsITimer> mTimer;
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// delayed values
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nsString mStatusMsg;
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int64_t mCurProgress;
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int64_t mMaxProgress;
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nsString mCurrentStatusMsg;
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bool mStatusIsDirty;
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int32_t mCurrentPercentage;
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// used to convert OnStart/OnStop notifications into progress notifications
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int32_t mTotalRequests;
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int32_t mFinishedRequests;
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bool mUseRealProgressFlag;
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// indicates whether a timeout is pending
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bool mDelayedStatus;
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bool mDelayedProgress;
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};
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#define NS_BROWSERSTATUSFILTER_CONTRACTID \
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"@mozilla.org/appshell/component/browser-status-filter;1"
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#define NS_BROWSERSTATUSFILTER_CID \
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{ /* 6356aa16-7916-4215-a825-cbc2692ca87a */ \
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0x6356aa16, \
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0x7916, \
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0x4215, \
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{0xa8, 0x25, 0xcb, 0xc2, 0x69, 0x2c, 0xa8, 0x7a} \
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}
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#endif // !nsBrowserStatusFilter_h__
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