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/*
* Copyright (C) 2018 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.android.quickstep.fallback;
import android.annotation.TargetApi;
import android.content.Context;
import android.graphics.Point;
import android.graphics.Rect;
import android.util.AttributeSet;
import com.android.launcher3.BaseActivity;
import com.android.launcher3.R;
import com.android.launcher3.util.Themes;
import com.android.launcher3.util.TouchController;
import com.android.launcher3.views.BaseDragLayer;
import com.android.quickstep.RecentsActivity;
public class RecentsRootView extends BaseDragLayer<RecentsActivity> {
private static final int MIN_SIZE = 10;
private final RecentsActivity mActivity;
private final Point mLastKnownSize = new Point(MIN_SIZE, MIN_SIZE);
public RecentsRootView(Context context, AttributeSet attrs) {
super(context, attrs, 1 /* alphaChannelCount */);
mActivity = BaseActivity.fromContext(context);
setSystemUiVisibility(SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
| SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
| SYSTEM_UI_FLAG_LAYOUT_STABLE);
}
public Point getLastKnownSize() {
return mLastKnownSize;
}
public void setup() {
mControllers = new TouchController[] { new RecentsTaskController(mActivity) };
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
// Check size changes before the actual measure, to avoid multiple measure calls.
int width = Math.max(MIN_SIZE, MeasureSpec.getSize(widthMeasureSpec));
int height = Math.max(MIN_SIZE, MeasureSpec.getSize(heightMeasureSpec));
if (mLastKnownSize.x != width || mLastKnownSize.y != height) {
mLastKnownSize.set(width, height);
mActivity.onRootViewSizeChanged();
}
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
@TargetApi(23)
@Override
protected boolean fitSystemWindows(Rect insets) {
// Update device profile before notifying the children.
mActivity.getDeviceProfile().updateInsets(insets);
setInsets(insets);
return false; // Let children get the full insets
}
@Override
public void setInsets(Rect insets) {
// If the insets haven't changed, this is a no-op. Avoid unnecessary layout caused by
// modifying child layout params.
if (!insets.equals(mInsets)) {
super.setInsets(insets);
}
setBackground(insets.top == 0 ? null
: Themes.getAttrDrawable(getContext(), R.attr.workspaceStatusBarScrim));
}
public void dispatchInsets() {
mActivity.getDeviceProfile().updateInsets(mInsets);
super.setInsets(mInsets);
}
}
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