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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
package org.qtproject.qt.android;
import android.app.Activity;
import android.content.Context;
import android.content.res.Configuration;
import android.graphics.Rect;
import android.hardware.display.DisplayManager;
import android.os.Build;
import android.util.DisplayMetrics;
import android.util.Size;
import android.view.Display;
import android.view.Surface;
import android.view.View;
import android.view.WindowInsets;
import android.view.WindowManager;
import android.view.WindowMetrics;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
class QtDisplayManager {
// screen methods
public static native void setDisplayMetrics(int screenWidthPixels, int screenHeightPixels,
int availableLeftPixels, int availableTopPixels,
int availableWidthPixels, int availableHeightPixels,
double XDpi, double YDpi, double scaledDensity,
double density, float refreshRate);
public static native void handleOrientationChanged(int newRotation, int nativeOrientation);
public static native void handleRefreshRateChanged(float refreshRate);
public static native void handleUiDarkModeChanged(int newUiMode);
public static native void handleScreenAdded(int displayId);
public static native void handleScreenChanged(int displayId);
public static native void handleScreenRemoved(int displayId);
// screen methods
// Keep in sync with QtAndroid::SystemUiVisibility in androidjnimain.h
public static final int SYSTEM_UI_VISIBILITY_NORMAL = 0;
public static final int SYSTEM_UI_VISIBILITY_FULLSCREEN = 1;
public static final int SYSTEM_UI_VISIBILITY_TRANSLUCENT = 2;
private int m_systemUiVisibility = SYSTEM_UI_VISIBILITY_NORMAL;
private static int m_previousRotation = -1;
private DisplayManager.DisplayListener m_displayListener = null;
private final Activity m_activity;
QtDisplayManager(Activity activity)
{
m_activity = activity;
initDisplayListener();
}
private void initDisplayListener() {
m_displayListener = new DisplayManager.DisplayListener() {
@Override
public void onDisplayAdded(int displayId) {
QtDisplayManager.handleScreenAdded(displayId);
}
@Override
public void onDisplayChanged(int displayId) {
Display display = (Build.VERSION.SDK_INT < Build.VERSION_CODES.R)
? m_activity.getWindowManager().getDefaultDisplay()
: m_activity.getDisplay();
float refreshRate = getRefreshRate(display);
QtDisplayManager.handleRefreshRateChanged(refreshRate);
QtDisplayManager.handleScreenChanged(displayId);
}
@Override
public void onDisplayRemoved(int displayId) {
QtDisplayManager.handleScreenRemoved(displayId);
}
};
}
static void handleOrientationChanges(Activity activity)
{
int currentRotation = getDisplayRotation(activity);
if (m_previousRotation == currentRotation)
return;
int nativeOrientation = getNativeOrientation(activity, currentRotation);
QtDisplayManager.handleOrientationChanged(currentRotation, nativeOrientation);
m_previousRotation = currentRotation;
}
public static int getDisplayRotation(Activity activity) {
Display display = Build.VERSION.SDK_INT < Build.VERSION_CODES.R ?
activity.getWindowManager().getDefaultDisplay() :
activity.getDisplay();
return display != null ? display.getRotation() : 0;
}
private static int getNativeOrientation(Activity activity, int rotation)
{
int orientation = activity.getResources().getConfiguration().orientation;
boolean rot90 = (rotation == Surface.ROTATION_90 || rotation == Surface.ROTATION_270);
boolean isLandscape = (orientation == Configuration.ORIENTATION_LANDSCAPE);
if ((isLandscape && !rot90) || (!isLandscape && rot90))
return Configuration.ORIENTATION_LANDSCAPE;
return Configuration.ORIENTATION_PORTRAIT;
}
static float getRefreshRate(Display display)
{
return display != null ? display.getRefreshRate() : 60.0f;
}
public void registerDisplayListener()
{
DisplayManager displayManager =
(DisplayManager) m_activity.getSystemService(Context.DISPLAY_SERVICE);
displayManager.registerDisplayListener(m_displayListener, null);
}
public void unregisterDisplayListener()
{
DisplayManager displayManager =
(DisplayManager) m_activity.getSystemService(Context.DISPLAY_SERVICE);
displayManager.unregisterDisplayListener(m_displayListener);
}
public void setSystemUiVisibility(int systemUiVisibility)
{
if (m_systemUiVisibility == systemUiVisibility)
return;
m_systemUiVisibility = systemUiVisibility;
int systemUiVisibilityFlags = View.SYSTEM_UI_FLAG_VISIBLE;
switch (m_systemUiVisibility) {
case SYSTEM_UI_VISIBILITY_NORMAL:
m_activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN);
m_activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
m_activity.getWindow().getAttributes().layoutInDisplayCutoutMode =
WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_NEVER;
}
break;
case SYSTEM_UI_VISIBILITY_FULLSCREEN:
m_activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
m_activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN);
systemUiVisibilityFlags = View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
| View.SYSTEM_UI_FLAG_LAYOUT_STABLE
| View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
| View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
| View.SYSTEM_UI_FLAG_FULLSCREEN
| View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
| View.INVISIBLE;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
m_activity.getWindow().getAttributes().layoutInDisplayCutoutMode =
WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_DEFAULT;
}
break;
case SYSTEM_UI_VISIBILITY_TRANSLUCENT:
m_activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN
| WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION
| WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
m_activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
m_activity.getWindow().getAttributes().layoutInDisplayCutoutMode =
WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS;
}
break;
}
m_activity.getWindow().getDecorView().setSystemUiVisibility(systemUiVisibilityFlags);
}
public int systemUiVisibility()
{
return m_systemUiVisibility;
}
public void updateFullScreen()
{
if (m_systemUiVisibility == SYSTEM_UI_VISIBILITY_FULLSCREEN) {
m_systemUiVisibility = SYSTEM_UI_VISIBILITY_NORMAL;
setSystemUiVisibility(SYSTEM_UI_VISIBILITY_FULLSCREEN);
}
}
@UsedFromNativeCode
public static Display getDisplay(Context context, int displayId)
{
DisplayManager displayManager =
(DisplayManager)context.getSystemService(Context.DISPLAY_SERVICE);
if (displayManager != null) {
return displayManager.getDisplay(displayId);
}
return null;
}
@UsedFromNativeCode
public static List<Display> getAvailableDisplays(Context context)
{
DisplayManager displayManager =
(DisplayManager)context.getSystemService(Context.DISPLAY_SERVICE);
if (displayManager != null) {
Display[] displays = displayManager.getDisplays();
return Arrays.asList(displays);
}
return new ArrayList<>();
}
@UsedFromNativeCode
public static Size getDisplaySize(Context displayContext, Display display)
{
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S) {
DisplayMetrics realMetrics = new DisplayMetrics();
display.getRealMetrics(realMetrics);
return new Size(realMetrics.widthPixels, realMetrics.heightPixels);
}
Context windowsContext = displayContext.createWindowContext(
WindowManager.LayoutParams.TYPE_APPLICATION, null);
WindowManager windowManager =
(WindowManager) windowsContext.getSystemService(Context.WINDOW_SERVICE);
WindowMetrics windowsMetrics = windowManager.getCurrentWindowMetrics();
Rect bounds = windowsMetrics.getBounds();
return new Size(bounds.width(), bounds.height());
}
public static void setApplicationDisplayMetrics(Activity activity, int width, int height)
{
if (activity == null)
return;
final WindowInsets rootInsets = activity.getWindow().getDecorView().getRootWindowInsets();
final WindowManager windowManager = activity.getWindowManager();
Display display;
int insetLeft;
int insetTop;
int maxWidth;
int maxHeight;
if (android.os.Build.VERSION.SDK_INT < Build.VERSION_CODES.R) {
display = windowManager.getDefaultDisplay();
final DisplayMetrics maxMetrics = new DisplayMetrics();
display.getRealMetrics(maxMetrics);
maxWidth = maxMetrics.widthPixels;
maxHeight = maxMetrics.heightPixels;
insetLeft = rootInsets.getStableInsetLeft();
insetTop = rootInsets.getStableInsetTop();
} else {
display = activity.getDisplay();
final WindowMetrics maxMetrics = windowManager.getMaximumWindowMetrics();
maxWidth = maxMetrics.getBounds().width();
maxHeight = maxMetrics.getBounds().height();
insetLeft = rootInsets.getInsetsIgnoringVisibility(WindowInsets.Type.systemBars()).left;
insetTop = rootInsets.getInsetsIgnoringVisibility(WindowInsets.Type.systemBars()).top;
}
final DisplayMetrics displayMetrics = activity.getResources().getDisplayMetrics();
double density = displayMetrics.density;
double scaledDensity = displayMetrics.scaledDensity;
setDisplayMetrics(maxWidth, maxHeight, insetLeft, insetTop,
width, height, getXDpi(displayMetrics), getYDpi(displayMetrics),
scaledDensity, density, getRefreshRate(display));
}
public static float getXDpi(final DisplayMetrics metrics) {
if (metrics.xdpi < android.util.DisplayMetrics.DENSITY_LOW)
return android.util.DisplayMetrics.DENSITY_LOW;
return metrics.xdpi;
}
public static float getYDpi(final DisplayMetrics metrics) {
if (metrics.ydpi < android.util.DisplayMetrics.DENSITY_LOW)
return android.util.DisplayMetrics.DENSITY_LOW;
return metrics.ydpi;
}
}
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