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Remove reflection from wallpaper manager for wallpaper colors.

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Bug: 65016704
Change-Id: I36bac7a3cd9cd4911657e693a424c9960cb9d042
This commit is contained in:
Mario Bertschler
2017-09-05 14:51:22 -07:00
parent 94b02ad888
commit aeed7f24f2
1 changed files with 25 additions and 56 deletions
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src/com/android/launcher3/compat/WallpaperManagerCompatVOMR1.java
+25 -56
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@@ -16,96 +16,65 @@
package com.android.launcher3.compat;
import android.annotation.TargetApi;
import android.app.WallpaperColors;
import android.app.WallpaperManager;
import android.app.WallpaperManager.OnColorsChangedListener;
import android.content.Context;
import android.graphics.Color;
import android.os.Build;
import android.os.Handler;
import android.support.annotation.Nullable;
import android.util.Log;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
@TargetApi(Build.VERSION_CODES.O)
@TargetApi(27)
public class WallpaperManagerCompatVOMR1 extends WallpaperManagerCompat {
private static final String TAG = "WMCompatVOMR1";
private final WallpaperManager mWm;
private final Class mOCLClass;
private final Method mAddOCLMethod;
private final Method mWCGetMethod;
private final Method mWCGetPrimaryColorMethod;
private final Method mWCGetSecondaryColorMethod;
private final Method mWCGetTertiaryColorMethod;
private final Method mWCColorHintsMethod;
WallpaperManagerCompatVOMR1(Context context) throws Exception {
mWm = context.getSystemService(WallpaperManager.class);
mOCLClass = Class.forName("android.app.WallpaperManager$OnColorsChangedListener");
mAddOCLMethod = WallpaperManager.class.getDeclaredMethod(
"addOnColorsChangedListener", mOCLClass, Handler.class);
mWCGetMethod = WallpaperManager.class.getDeclaredMethod("getWallpaperColors", int.class);
Class wallpaperColorsClass = mWCGetMethod.getReturnType();
mWCGetPrimaryColorMethod = wallpaperColorsClass.getDeclaredMethod("getPrimaryColor");
mWCGetSecondaryColorMethod = wallpaperColorsClass.getDeclaredMethod("getSecondaryColor");
mWCGetTertiaryColorMethod = wallpaperColorsClass.getDeclaredMethod("getTertiaryColor");
mWCColorHintsMethod = wallpaperColorsClass.getDeclaredMethod("getColorHints");
mWCColorHintsMethod = WallpaperColors.class.getDeclaredMethod("getColorHints");
}
@Nullable
@Override
public WallpaperColorsCompat getWallpaperColors(int which) {
try {
return convertColorsObject(mWCGetMethod.invoke(mWm, which));
} catch (Exception e) {
Log.e(TAG, "Error calling wallpaper API", e);
return null;
}
return convertColorsObject(mWm.getWallpaperColors(which));
}
@Override
public void addOnColorsChangedListener(final OnColorsChangedListenerCompat listener) {
Object onChangeListener = Proxy.newProxyInstance(
WallpaperManager.class.getClassLoader(),
new Class[]{mOCLClass},
new InvocationHandler() {
@Override
public Object invoke(Object o, Method method, Object[] objects)
throws Throwable {
String methodName = method.getName();
if ("onColorsChanged".equals(methodName)) {
listener.onColorsChanged(
convertColorsObject(objects[0]), (Integer) objects[1]);
} else if ("toString".equals(methodName)) {
return listener.toString();
}
return null;
}
});
try {
mAddOCLMethod.invoke(mWm, onChangeListener, null);
} catch (Exception e) {
Log.e(TAG, "Error calling wallpaper API", e);
}
OnColorsChangedListener onChangeListener = new OnColorsChangedListener() {
public void onColorsChanged(WallpaperColors colors, int which) {
listener.onColorsChanged(convertColorsObject(colors), which);
}
public void onColorsChanged(WallpaperColors colors, int which, int userId) {
onColorsChanged(colors, which);
}
};
mWm.addOnColorsChangedListener(onChangeListener, null);
}
private WallpaperColorsCompat convertColorsObject(Object colors) throws Exception {
private WallpaperColorsCompat convertColorsObject(WallpaperColors colors) {
if (colors == null) {
return null;
}
Color primary = (Color) mWCGetPrimaryColorMethod.invoke(colors);
Color secondary = (Color) mWCGetSecondaryColorMethod.invoke(colors);
Color tertiary = (Color) mWCGetTertiaryColorMethod.invoke(colors);
Color primary = colors.getPrimaryColor();
Color secondary = colors.getSecondaryColor();
Color tertiary = colors.getTertiaryColor();
int primaryVal = primary != null ? primary.toArgb() : 0;
int secondaryVal = secondary != null ? secondary.toArgb() : 0;
int tertiaryVal = tertiary != null ? tertiary.toArgb() : 0;
int colorHints = (Integer) mWCColorHintsMethod.invoke(colors);
int colorHints = 0;
try {
colorHints = (Integer) mWCColorHintsMethod.invoke(colors);
} catch (Exception exc) {
Log.e(TAG, "error calling color hints", exc);
}
return new WallpaperColorsCompat(primaryVal, secondaryVal, tertiaryVal, colorHints);
}
}