108 lines
4.2 KiB
Java
108 lines
4.2 KiB
Java
package net.simonvt.menudrawer.compat;
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import android.app.Activity;
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import android.graphics.drawable.Drawable;
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import android.util.Log;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.ImageView;
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import java.lang.reflect.Method;
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final class ActionBarHelperCompat {
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private static final String TAG = "ActionBarHelperCompat";
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private ActionBarHelperCompat() {
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}
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public static void setActionBarUpIndicator(Object info, Activity activity, Drawable drawable, int contentDescRes) {
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final SetIndicatorInfo sii = (SetIndicatorInfo) info;
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if (sii.mUpIndicatorView != null) {
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sii.mUpIndicatorView.setImageDrawable(drawable);
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final String contentDescription = contentDescRes == 0 ? null : activity.getString(contentDescRes);
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sii.mUpIndicatorView.setContentDescription(contentDescription);
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}
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}
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public static void setActionBarDescription(Object info, Activity activity, int contentDescRes) {
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final SetIndicatorInfo sii = (SetIndicatorInfo) info;
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if (sii.mUpIndicatorView != null) {
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final String contentDescription = contentDescRes == 0 ? null : activity.getString(contentDescRes);
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sii.mUpIndicatorView.setContentDescription(contentDescription);
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}
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}
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public static Drawable getThemeUpIndicator(Object info) {
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final SetIndicatorInfo sii = (SetIndicatorInfo) info;
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if (sii.mUpIndicatorView != null) {
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return sii.mUpIndicatorView.getDrawable();
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}
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return null;
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}
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public static Object getIndicatorInfo(Activity activity) {
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return new SetIndicatorInfo(activity);
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}
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public static void setDisplayHomeAsUpEnabled(Object info, boolean enabled) {
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final SetIndicatorInfo sii = (SetIndicatorInfo) info;
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if (sii.mHomeAsUpEnabled != null) {
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try {
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sii.mHomeAsUpEnabled.invoke(sii.mActionBar, enabled);
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} catch (Throwable t) {
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if (ActionBarHelper.DEBUG) {
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Log.e(TAG, "Unable to call setHomeAsUpEnabled", t);
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}
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}
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}
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}
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private static class SetIndicatorInfo {
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public ImageView mUpIndicatorView;
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public Object mActionBar;
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public Method mHomeAsUpEnabled;
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SetIndicatorInfo(Activity activity) {
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try {
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String appPackage = activity.getPackageName();
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try {
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// Attempt to find ActionBarSherlock up indicator
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final int homeId = activity.getResources().getIdentifier("abs__home", "id", appPackage);
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View v = activity.findViewById(homeId);
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ViewGroup parent = (ViewGroup) v.getParent();
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final int upId = activity.getResources().getIdentifier("abs__up", "id", appPackage);
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mUpIndicatorView = (ImageView) parent.findViewById(upId);
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} catch (Throwable t) {
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if (ActionBarHelper.DEBUG) {
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Log.e(TAG, "ABS action bar not found", t);
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}
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}
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if (mUpIndicatorView == null) {
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// Attempt to find AppCompat up indicator
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final int homeId = activity.getResources().getIdentifier("home", "id", appPackage);
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View v = activity.findViewById(homeId);
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ViewGroup parent = (ViewGroup) v.getParent();
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final int upId = activity.getResources().getIdentifier("up", "id", appPackage);
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mUpIndicatorView = (ImageView) parent.findViewById(upId);
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}
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Class supportActivity = activity.getClass();
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Method getActionBar = supportActivity.getMethod("getSupportActionBar");
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mActionBar = getActionBar.invoke(activity, (Object)null);
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Class supportActionBar = mActionBar.getClass();
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mHomeAsUpEnabled = supportActionBar.getMethod("setDisplayHomeAsUpEnabled", Boolean.TYPE);
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} catch (Throwable t) {
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if (ActionBarHelper.DEBUG) {
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Log.e(TAG, "Unable to init SetIndicatorInfo for ABS", t);
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}
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}
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}
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}
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}
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