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/*
* Copyright (C) 2014 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 com.google.android.apps.common.testing.ui.espresso;
import static com.google.common.base.Objects.toStringHelper;
import static com.google.common.base.Preconditions.checkNotNull;
import com.google.android.apps.common.testing.ui.espresso.util.HumanReadables;
import com.google.common.base.Objects.ToStringHelper;
import com.google.common.base.Optional;
import android.view.View;
import android.view.WindowManager;
/**
* Represents a root view in the application and optionally the layout params of the window holding
* it.
*
* This class is used internally to determine which view root to run user provided matchers against
* it is not part of the public api.
*/
public final class Root {
private final View decorView;
private final Optional<WindowManager.LayoutParams> windowLayoutParams;
private Root(Builder builder) {
this.decorView = checkNotNull(builder.decorView);
this.windowLayoutParams = Optional.fromNullable(builder.windowLayoutParams);
}
public View getDecorView() {
return decorView;
}
public Optional<WindowManager.LayoutParams> getWindowLayoutParams() {
return windowLayoutParams;
}
@Override
public String toString() {
ToStringHelper helper = toStringHelper(this)
.add("application-window-token", decorView.getApplicationWindowToken())
.add("window-token", decorView.getWindowToken())
.add("has-window-focus", decorView.hasWindowFocus());
if (windowLayoutParams.isPresent()) {
helper
.add("layout-params-type", windowLayoutParams.get().type)
.add("layout-params-string", windowLayoutParams.get());
}
helper
.add("decor-view-string", HumanReadables.describe(decorView));
return helper.toString();
}
public static class Builder {
private View decorView;
private WindowManager.LayoutParams windowLayoutParams;
public Root build() {
return new Root(this);
}
public Builder withDecorView(View view) {
this.decorView = view;
return this;
}
public Builder withWindowLayoutParams(WindowManager.LayoutParams windowLayoutParams) {
this.windowLayoutParams = windowLayoutParams;
return this;
}
}
}
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