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/* -*- Mode: Java; c-basic-offset: 2; tab-width: 20; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
package org.mozilla.gecko;
import android.content.Context;
import android.hardware.display.DisplayManager;
import android.util.Log;
import android.view.Display;
public class GeckoScreenChangeListener implements DisplayManager.DisplayListener {
private static final String LOGTAG = "ScreenChangeListener";
private static final boolean DEBUG = false;
public GeckoScreenChangeListener() {}
@Override
public void onDisplayAdded(final int displayId) {}
@Override
public void onDisplayRemoved(final int displayId) {}
@Override
public void onDisplayChanged(final int displayId) {
if (DEBUG) {
Log.d(LOGTAG, "onDisplayChanged");
}
// Even if onDisplayChanged is called, Configuration may not updated yet.
// So we use Display's data instead.
if (displayId != Display.DEFAULT_DISPLAY) {
if (DEBUG) {
Log.d(LOGTAG, "Primary display is only supported");
}
return;
}
final DisplayManager displayManager = getDisplayManager();
if (displayManager == null) {
return;
}
if (GeckoScreenOrientation.getInstance().update(displayManager.getDisplay(displayId))) {
// refreshScreenInfo is already called.
return;
}
ScreenManagerHelper.refreshScreenInfo();
}
private static DisplayManager getDisplayManager() {
return (DisplayManager)
GeckoAppShell.getApplicationContext().getSystemService(Context.DISPLAY_SERVICE);
}
public void enable() {
final DisplayManager displayManager = getDisplayManager();
if (displayManager == null) {
return;
}
displayManager.registerDisplayListener(this, null);
}
public void disable() {
final DisplayManager displayManager = getDisplayManager();
if (displayManager == null) {
return;
}
displayManager.unregisterDisplayListener(this);
}
}