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/*
* Copyright (C) 2010 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.ide.common.rendering.api.LayoutLog;
import com.android.layoutlib.bridge.Bridge;
import com.android.layoutlib.bridge.android.BridgeContext;
import com.android.tools.layoutlib.annotations.LayoutlibDelegate;
import android.content.Context;
import android.graphics.Canvas;
import android.os.IBinder;
/**
* Delegate used to provide new implementation of a select few methods of {@link View}
*
* Through the layoutlib_create tool, the original methods of View have been replaced
* by calls to methods of the same name in this delegate class.
*
*/
public class View_Delegate {
@LayoutlibDelegate
/*package*/ static boolean isInEditMode(View thisView) {
return true;
}
@LayoutlibDelegate
/*package*/ static IBinder getWindowToken(View thisView) {
Context baseContext = BridgeContext.getBaseContext(thisView.getContext());
if (baseContext instanceof BridgeContext) {
return ((BridgeContext) baseContext).getBinder();
}
return null;
}
@LayoutlibDelegate
/*package*/ static void draw(View thisView, Canvas canvas) {
try {
// This code is run within a catch to prevent misbehaving components from breaking
// all the layout.
thisView.draw_Original(canvas);
} catch (Throwable t) {
Bridge.getLog().error(LayoutLog.TAG_BROKEN, "View draw failed", t, null);
}
}
@LayoutlibDelegate
/*package*/ static boolean draw(
View thisView, Canvas canvas, ViewGroup parent, long drawingTime) {
try {
// This code is run within a catch to prevent misbehaving components from breaking
// all the layout.
return thisView.draw_Original(canvas, parent, drawingTime);
} catch (Throwable t) {
Bridge.getLog().error(LayoutLog.TAG_BROKEN, "View draw failed", t, null);
}
return false;
}
@LayoutlibDelegate
/*package*/ static void measure(View thisView, int widthMeasureSpec, int heightMeasureSpec) {
try {
// This code is run within a catch to prevent misbehaving components from breaking
// all the layout.
thisView.measure_Original(widthMeasureSpec, heightMeasureSpec);
} catch (Throwable t) {
Bridge.getLog().error(LayoutLog.TAG_BROKEN, "View measure failed", t, null);
}
}
@LayoutlibDelegate
/*package*/ static void layout(View thisView, int l, int t, int r, int b) {
try {
// This code is run within a catch to prevent misbehaving components from breaking
// all the layout.
thisView.layout_Original(l, t, r, b);
} catch (Throwable th) {
Bridge.getLog().error(LayoutLog.TAG_BROKEN, "View layout failed", th, null);
}
}
}
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