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Commit ddd12535 authored by Mitsuru Oshima's avatar Mitsuru Oshima
Browse files

Return adjusted display for WindowManager.getDefaultDisplay()

parent 9181bc9a

core/java/android/content/res/Resources.java

+20 −0
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ import android.util.Log; 
import android.util.SparseArray;

import android.util.TypedValue;

import android.util.LongSparseArray;

import android.view.Display;



import java.io.IOException;

import java.io.InputStream;
@@ -87,6 +88,7 @@ public class Resources { 
    PluralRules mPluralRule;

    

    private final CompatibilityInfo mCompatibilityInfo;

    private Display mDefaultDisplay;



    private static final LongSparseArray<Object> EMPTY_ARRAY = new LongSparseArray<Object>() {

        @Override
@@ -1915,6 +1917,24 @@ public class Resources { 
                + Integer.toHexString(id));

    }



    /**

     * Returns the display adjusted for the Resources' metrics.

     * @hide

     */

    public Display getDefaultDisplay(Display defaultDisplay) {

        if (mDefaultDisplay == null) {

            if (!mCompatibilityInfo.isScalingRequired() && mCompatibilityInfo.supportsScreen()) {

                // the app supports the display. just use the default one.

                mDefaultDisplay = defaultDisplay;

            } else {

                // display needs adjustment.

                mDefaultDisplay = Display.createMetricsBasedDisplay(

                        defaultDisplay.getDisplayId(), mMetrics);

            }

        }

        return mDefaultDisplay;

    }



    private TypedArray getCachedStyledAttributes(int len) {

        synchronized (mTmpValue) {

            TypedArray attrs = mCachedStyledAttributes;

core/java/android/view/Display.java

+27 −0
Original line number Diff line number Diff line
@@ -117,5 +117,32 @@ public class Display 
    

    private static final Object mStaticInit = new Object();

    private static boolean mInitialized = false;



    /**

     * Returns a display object which uses the metric's width/height instead.

     * @hide

     */

    public static Display createMetricsBasedDisplay(int displayId, DisplayMetrics metrics) {

        return new CompatibleDisplay(displayId, metrics);

    }



    private static class CompatibleDisplay extends Display {

        private final DisplayMetrics mMetrics;



        private CompatibleDisplay(int displayId, DisplayMetrics metrics) {

            super(displayId);

            mMetrics = metrics;

        }



        @Override

        public int getWidth() {

            return mMetrics.widthPixels;

        }



        @Override

        public int getHeight() {

            return mMetrics.heightPixels;

        }

    }

}

core/java/android/view/Window.java

+6 −2
Original line number Diff line number Diff line
@@ -358,6 +358,8 @@ public abstract class Window { 
    private class LocalWindowManager implements WindowManager {

        LocalWindowManager(WindowManager wm) {

            mWindowManager = wm;

            mDefaultDisplay = mContext.getResources().getDefaultDisplay(

                    mWindowManager.getDefaultDisplay());

        }



        public final void addView(View view, ViewGroup.LayoutParams params) {
@@ -420,10 +422,12 @@ public abstract class Window { 
        }



        public Display getDefaultDisplay() {

            return mWindowManager.getDefaultDisplay();

            return mDefaultDisplay;

        }

        

        WindowManager mWindowManager;

        private final WindowManager mWindowManager;



        private final Display mDefaultDisplay;

    }



    /**