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package org.robolectric.shadows;
import static android.os.Build.VERSION_CODES.JELLY_BEAN_MR1;
import static android.os.Build.VERSION_CODES.JELLY_BEAN_MR2;
import static android.os.Build.VERSION_CODES.P;
import static org.robolectric.shadows.ShadowView.useRealGraphics;
import static org.robolectric.util.reflector.Reflector.reflector;
import android.app.Instrumentation;
import android.content.ClipData;
import android.content.Context;
import android.os.Binder;
import android.os.IBinder;
import android.os.Looper;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.view.IWindowManager;
import android.view.IWindowSession;
import android.view.View;
import android.view.WindowManagerGlobal;
import androidx.annotation.Nullable;
import java.lang.reflect.Proxy;
import java.util.List;
import org.robolectric.RuntimeEnvironment;
import org.robolectric.annotation.Implementation;
import org.robolectric.annotation.Implements;
import org.robolectric.annotation.Resetter;
import org.robolectric.util.ReflectionHelpers;
import org.robolectric.util.reflector.Accessor;
import org.robolectric.util.reflector.ForType;
import org.robolectric.util.reflector.Static;
/** Shadow for {@link WindowManagerGlobal}. */
@SuppressWarnings("unused") // Unused params are implementations of Android SDK methods.
@Implements(
value = WindowManagerGlobal.class,
isInAndroidSdk = false,
minSdk = JELLY_BEAN_MR1,
looseSignatures = true)
public class ShadowWindowManagerGlobal {
private static WindowSessionDelegate windowSessionDelegate = new WindowSessionDelegate();
private static IWindowSession windowSession;
@Resetter
public static void reset() {
reflector(WindowManagerGlobalReflector.class).setDefaultWindowManager(null);
windowSessionDelegate = new WindowSessionDelegate();
windowSession = null;
}
public static boolean getInTouchMode() {
return windowSessionDelegate.getInTouchMode();
}
/**
* Sets whether the window manager is in touch mode. Use {@link
* Instrumentation#setInTouchMode(boolean)} to modify this from a test.
*/
static void setInTouchMode(boolean inTouchMode) {
windowSessionDelegate.setInTouchMode(inTouchMode);
}
/**
* Returns the last {@link ClipData} passed to a drag initiated from a call to {@link
* View#startDrag} or {@link View#startDragAndDrop}, or null if there isn't one.
*/
@Nullable
public static ClipData getLastDragClipData() {
return windowSessionDelegate.lastDragClipData;
}
/** Clears the data returned by {@link #getLastDragClipData()}. */
public static void clearLastDragClipData() {
windowSessionDelegate.lastDragClipData = null;
}
@Implementation(minSdk = JELLY_BEAN_MR2)
protected static synchronized IWindowSession getWindowSession() {
if (windowSession == null) {
// Use Proxy.newProxyInstance instead of ReflectionHelpers.createDelegatingProxy as there are
// too many variants of 'add', 'addToDisplay', and 'addToDisplayAsUser', some of which have
// arg types that don't exist any more.
windowSession =
(IWindowSession)
Proxy.newProxyInstance(
IWindowSession.class.getClassLoader(),
new Class<?>[] {IWindowSession.class},
(proxy, method, args) -> {
String methodName = method.getName();
switch (methodName) {
case "add": // SDK 16
case "addToDisplay": // SDK 17-29
case "addToDisplayAsUser": // SDK 30+
return windowSessionDelegate.getAddFlags();
case "getInTouchMode":
return windowSessionDelegate.getInTouchMode();
case "performDrag":
return windowSessionDelegate.performDrag(args);
case "prepareDrag":
return windowSessionDelegate.prepareDrag();
case "setInTouchMode":
windowSessionDelegate.setInTouchMode((boolean) args[0]);
return null;
default:
return ReflectionHelpers.defaultValueForType(
method.getReturnType().getName());
}
});
}
return windowSession;
}
@Implementation(maxSdk = JELLY_BEAN_MR1)
protected static Object getWindowSession(Looper looper) {
return getWindowSession();
}
@Implementation
protected static synchronized IWindowSession peekWindowSession() {
return windowSession;
}
@Implementation
public static Object getWindowManagerService() throws RemoteException {
IWindowManager service =
reflector(WindowManagerGlobalReflector.class).getWindowManagerService();
if (service == null) {
service = IWindowManager.Stub.asInterface(ServiceManager.getService(Context.WINDOW_SERVICE));
reflector(WindowManagerGlobalReflector.class).setWindowManagerService(service);
}
return service;
}
@ForType(WindowManagerGlobal.class)
interface WindowManagerGlobalReflector {
@Accessor("sDefaultWindowManager")
@Static
void setDefaultWindowManager(WindowManagerGlobal global);
@Static
@Accessor("sWindowManagerService")
IWindowManager getWindowManagerService();
@Static
@Accessor("sWindowManagerService")
void setWindowManagerService(IWindowManager service);
@Accessor("mViews")
List<View> getWindowViews();
}
private static class WindowSessionDelegate {
// From WindowManagerGlobal (was WindowManagerImpl in JB).
static final int ADD_FLAG_IN_TOUCH_MODE = 0x1;
static final int ADD_FLAG_APP_VISIBLE = 0x2;
// TODO: Default to touch mode always.
private boolean inTouchMode = useRealGraphics();
@Nullable protected ClipData lastDragClipData;
protected int getAddFlags() {
int res = 0;
// Temporarily enable this based on a system property to allow for test migration. This will
// eventually be updated to default and true and eventually removed, Robolectric's previous
// behavior of not marking windows as visible by default is a bug. This flag should only be
// used as a temporary toggle during migration.
if (useRealGraphics()
|| "true".equals(System.getProperty("robolectric.areWindowsMarkedVisible", "false"))) {
res |= ADD_FLAG_APP_VISIBLE;
}
if (getInTouchMode()) {
res |= ADD_FLAG_IN_TOUCH_MODE;
}
return res;
}
public boolean getInTouchMode() {
return inTouchMode;
}
public void setInTouchMode(boolean inTouchMode) {
this.inTouchMode = inTouchMode;
}
public IBinder prepareDrag() {
return new Binder();
}
public Object performDrag(Object[] args) {
// extract the clipData param
for (int i = args.length - 1; i >= 0; i--) {
if (args[i] instanceof ClipData) {
lastDragClipData = (ClipData) args[i];
// In P (SDK 28), the return type changed from boolean to Binder.
return RuntimeEnvironment.getApiLevel() >= P ? new Binder() : true;
}
}
throw new AssertionError("Missing ClipData param");
}
}
}
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