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Commit 1f8f4482 authored by Shyama Prasad Mondal's avatar Shyama Prasad Mondal Committed by Giulio Cervera
Browse files

Browser sets up the min freq while scrolling 

CRs-Fixed: 341058

Change-Id: Iee9067113819fe2bfc28740b919f5cd44cc2a5bd
parent 384ba005

core/java/android/webkit/WebViewCore.java

+19 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2007 The Android Open Source Project

 * Copyright (c) 2012, Code Aurora Forum. All rights reserved.

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.
@@ -30,6 +31,7 @@ import android.os.Handler; 
import android.os.Looper;

import android.os.Message;

import android.os.Process;

import android.os.SystemProperties;

import android.provider.MediaStore;

import android.util.Log;

import android.util.SparseBooleanArray;
@@ -46,8 +48,11 @@ import java.util.ArrayList; 
import java.util.Collection;

import java.util.Map;

import java.util.Set;

import java.util.Vector;

import org.json.*;



import junit.framework.Assert;

import org.codeaurora.Performance;



/**

 * @hide
@@ -671,6 +676,8 @@ public final class WebViewCore { 
        private static final int INITIALIZE = 0;

        private static final int REDUCE_PRIORITY = 1;

        private static final int RESUME_PRIORITY = 2;

        private static Performance mPerf = new Performance();

        private static final int MIN_FREQ_DURING_SCROLLING = 10;



        public void run() {

            Looper.prepare();
@@ -690,11 +697,23 @@ public final class WebViewCore { 
                                Process.setThreadPriority(

                                        Process.THREAD_PRIORITY_DEFAULT + 3 *

                                        Process.THREAD_PRIORITY_LESS_FAVORABLE);

                                if (SystemProperties.QCOM_HARDWARE ) {

                                    /* Disable power collapse and setup the min frequency */

                                    /* 0 means disabling power collapse */

                                    mPerf.cpuSetOptions(Performance.CPUOPT_CPU0_PWRCLSP,0);

                                    mPerf.cpuSetOptions(Performance.CPUOPT_CPU0_FREQMIN,MIN_FREQ_DURING_SCROLLING);

                                }

                                break;



                            case RESUME_PRIORITY:

                                Process.setThreadPriority(

                                        Process.THREAD_PRIORITY_DEFAULT);

                                if (SystemProperties.QCOM_HARDWARE ) {

                                    /* Enable power collapse and reset the min frequency */

                                    /* 1 means enabling power collapse */

                                    mPerf.cpuSetOptions(Performance.CPUOPT_CPU0_PWRCLSP,1);

                                    mPerf.cpuSetOptions(Performance.CPUOPT_CPU0_FREQMIN,0);

                                }

                                break;



                            case EventHub.ADD_PACKAGE_NAME: