| /* |
| * 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 android.support.v17.leanback.widget; |
| |
| import android.content.Context; |
| import android.graphics.Canvas; |
| import android.graphics.drawable.ColorDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.support.annotation.ColorInt; |
| import android.support.v17.leanback.R; |
| import android.util.AttributeSet; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.LinearLayout; |
| |
| /** |
| * RowContainerView wraps header and user defined row view |
| */ |
| final class RowContainerView extends LinearLayout { |
| |
| private ViewGroup mHeaderDock; |
| private Drawable mForeground; |
| private boolean mForegroundBoundsChanged = true; |
| |
| public RowContainerView(Context context) { |
| this(context, null, 0); |
| } |
| |
| public RowContainerView(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public RowContainerView(Context context, AttributeSet attrs, int defStyle) { |
| super(context, attrs, defStyle); |
| setOrientation(VERTICAL); |
| LayoutInflater inflater = LayoutInflater.from(context); |
| inflater.inflate(R.layout.lb_row_container, this); |
| |
| mHeaderDock = (ViewGroup) findViewById(R.id.lb_row_container_header_dock); |
| setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT)); |
| } |
| |
| public void addHeaderView(View headerView) { |
| if (mHeaderDock.indexOfChild(headerView) < 0) { |
| mHeaderDock.addView(headerView, 0); |
| } |
| } |
| |
| public void removeHeaderView(View headerView) { |
| if (mHeaderDock.indexOfChild(headerView) >= 0) { |
| mHeaderDock.removeView(headerView); |
| } |
| } |
| |
| public void addRowView(View view) { |
| addView(view); |
| } |
| |
| public void showHeader(boolean show) { |
| mHeaderDock.setVisibility(show ? View.VISIBLE : View.GONE); |
| } |
| |
| public void setForeground(Drawable d) { |
| mForeground = d; |
| setWillNotDraw(mForeground == null); |
| invalidate(); |
| } |
| |
| public void setForegroundColor(@ColorInt int color) { |
| if (mForeground instanceof ColorDrawable) { |
| ((ColorDrawable) mForeground.mutate()).setColor(color); |
| invalidate(); |
| } else { |
| setForeground(new ColorDrawable(color)); |
| } |
| } |
| |
| public Drawable getForeground() { |
| return mForeground; |
| } |
| |
| @Override |
| protected void onSizeChanged(int w, int h, int oldw, int oldh) { |
| super.onSizeChanged(w, h, oldw, oldh); |
| mForegroundBoundsChanged = true; |
| } |
| |
| @Override |
| public void draw(Canvas canvas) { |
| super.draw(canvas); |
| if (mForeground != null) { |
| if (mForegroundBoundsChanged) { |
| mForegroundBoundsChanged = false; |
| mForeground.setBounds(0, 0, getWidth(), getHeight()); |
| } |
| mForeground.draw(canvas); |
| } |
| } |
| } |