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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.view;
import com.android.layoutlib.bridge.android.BridgeWindowManager;
import com.android.layoutlib.bridge.impl.RenderAction;
import com.android.tools.layoutlib.annotations.LayoutlibDelegate;
import android.os.RemoteException;
/**
* Delegate used to provide new implementation of a select few methods of {@link Display}
*
* Through the layoutlib_create tool, the original methods of Display have been replaced
* by calls to methods of the same name in this delegate class.
*
*/
public class Display_Delegate {
// ---- Overridden methods ----
@LayoutlibDelegate
public static IWindowManager getWindowManager() {
return RenderAction.getCurrentContext().getIWindowManager();
}
// ---- Native methods ----
@LayoutlibDelegate
/*package*/ static int getDisplayCount() {
return 1;
}
@LayoutlibDelegate
/** @hide special for when we are faking the screen size. */
/*package*/ static int getRawWidthNative(Display theDisplay) {
// same as real since we're not faking compatibility mode.
return RenderAction.getCurrentContext().getIWindowManager().getMetrics().widthPixels;
}
@LayoutlibDelegate
/** @hide special for when we are faking the screen size. */
/*package*/ static int getRawHeightNative(Display theDisplay) {
// same as real since we're not faking compatibility mode.
return RenderAction.getCurrentContext().getIWindowManager().getMetrics().heightPixels;
}
@LayoutlibDelegate
/*package*/ static int getOrientation(Display theDisplay) {
try {
// always dynamically query for the current window manager
return getWindowManager().getRotation();
} catch (RemoteException e) {
// this will never been thrown since this is not a true RPC.
}
return Surface.ROTATION_0;
}
@LayoutlibDelegate
/*package*/ static void nativeClassInit() {
// not needed for now.
}
@LayoutlibDelegate
/*package*/ static void init(Display theDisplay, int display) {
// always dynamically query for the current window manager
BridgeWindowManager wm = RenderAction.getCurrentContext().getIWindowManager();
theDisplay.mDensity = wm.getMetrics().density;
theDisplay.mDpiX = wm.getMetrics().xdpi;
theDisplay.mDpiY = wm.getMetrics().ydpi;
}
}
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