core/java/com/android/internal/app/ActivityTrigger.java

/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
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 *       with the distribution.
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package com.android.internal.app;

import android.content.ComponentName;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.pm.ApplicationInfo;
import android.util.Log;

public class ActivityTrigger
{
    private static final String TAG = "ActivityTrigger";

    private static final int FLAG_OVERRIDE_RESOLUTION = 1;
    private static final int FLAG_HARDWARE_ACCELERATED =
            ActivityInfo.FLAG_HARDWARE_ACCELERATED;


    /** &hide */
    public ActivityTrigger() {
        //Log.d(TAG, "ActivityTrigger initialized");
    }

    /** &hide */
    protected void finalize() {
        native_at_deinit();
    }

    /** &hide */
    public void activityStartProcessTrigger(String process, int pid) {
        native_at_startProcessActivity(process, pid);
    }

    /** &hide */
    public void activityStartTrigger(Intent intent, ActivityInfo acInfo, ApplicationInfo appInfo) {
        ComponentName cn = intent.getComponent();
        int overrideFlags = 0;
        String activity = null;

        if(cn != null)
            activity = cn.flattenToString() + "/" + appInfo.versionCode;

        overrideFlags = native_at_startActivity(activity, overrideFlags);

        if((overrideFlags & FLAG_HARDWARE_ACCELERATED) != 0) {
            acInfo.flags |= ActivityInfo.FLAG_HARDWARE_ACCELERATED;
        }
        if((overrideFlags & FLAG_OVERRIDE_RESOLUTION) != 0) {
            appInfo.setOverrideRes(1);
        }
    }

    /** &hide */
    public void activityResumeTrigger(Intent intent, ActivityInfo acInfo, ApplicationInfo appInfo) {
        ComponentName cn = intent.getComponent();
        String activity = null;

        if (cn != null)
            activity = cn.flattenToString() + "/" + appInfo.versionCode;
        native_at_resumeActivity(activity);
    }

    private native int native_at_startActivity(String activity, int flags);
    private native void native_at_resumeActivity(String activity);
    private native void native_at_deinit();
    private native void native_at_startProcessActivity(String process, int pid);
}