Files
scrcpy/server/src/main/java/com/genymobile/scrcpy/wrappers/ActivityManager.java

88 lines
3.5 KiB
Java

package com.genymobile.scrcpy.wrappers;
import com.genymobile.scrcpy.Ln;
import android.os.Binder;
import android.os.IBinder;
import android.os.IInterface;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
public class ActivityManager {
private final IInterface manager;
private Method getContentProviderExternalMethod;
private boolean getContentProviderExternalMethodNewVersion = true;
private Method removeContentProviderExternalMethod;
public ActivityManager(IInterface manager) {
this.manager = manager;
}
private Method getGetContentProviderExternalMethod() throws NoSuchMethodException {
if (getContentProviderExternalMethod == null) {
try {
getContentProviderExternalMethod = manager.getClass()
.getMethod("getContentProviderExternal", String.class, int.class, IBinder.class, String.class);
} catch (NoSuchMethodException e) {
// old version
getContentProviderExternalMethod = manager.getClass().getMethod("getContentProviderExternal", String.class, int.class, IBinder.class);
getContentProviderExternalMethodNewVersion = false;
}
}
return getContentProviderExternalMethod;
}
private Method getRemoveContentProviderExternalMethod() throws NoSuchMethodException {
if (removeContentProviderExternalMethod == null) {
removeContentProviderExternalMethod = manager.getClass().getMethod("removeContentProviderExternal", String.class, IBinder.class);
}
return removeContentProviderExternalMethod;
}
private ContentProvider getContentProviderExternal(String name, IBinder token) {
try {
Method method = getGetContentProviderExternalMethod();
Object[] args;
if (getContentProviderExternalMethodNewVersion) {
// new version
args = new Object[]{name, ServiceManager.USER_ID, token, null};
} else {
// old version
args = new Object[]{name, ServiceManager.USER_ID, token};
}
// ContentProviderHolder providerHolder = getContentProviderExternal(...);
Object providerHolder = method.invoke(manager, args);
if (providerHolder == null) {
return null;
}
// IContentProvider provider = providerHolder.provider;
Field providerField = providerHolder.getClass().getDeclaredField("provider");
providerField.setAccessible(true);
Object provider = providerField.get(providerHolder);
if (provider == null) {
return null;
}
return new ContentProvider(this, provider, name, token);
} catch (InvocationTargetException | IllegalAccessException | NoSuchMethodException | NoSuchFieldException e) {
Ln.e("Could not invoke method", e);
return null;
}
}
void removeContentProviderExternal(String name, IBinder token) {
try {
Method method = getRemoveContentProviderExternalMethod();
method.invoke(manager, name, token);
} catch (InvocationTargetException | IllegalAccessException | NoSuchMethodException e) {
Ln.e("Could not invoke method", e);
}
}
public ContentProvider createSettingsProvider() {
return getContentProviderExternal("settings", new Binder());
}
}