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/*
* Copyright (C) 2016 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.tv.dvr.ui;
import android.graphics.drawable.Drawable;
import android.support.v17.leanback.R;
import android.support.v17.leanback.widget.Action;
import android.support.v17.leanback.widget.Presenter;
import android.support.v17.leanback.widget.PresenterSelector;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
// This class is adapted from Leanback's library, which does not support action icon with one-line
// label. This class modified its getPresenter method to support the above situation.
class ActionPresenterSelector extends PresenterSelector {
private final Presenter mOneLineActionPresenter = new OneLineActionPresenter();
private final Presenter mTwoLineActionPresenter = new TwoLineActionPresenter();
private final Presenter[] mPresenters = new Presenter[] {
mOneLineActionPresenter, mTwoLineActionPresenter};
@Override
public Presenter getPresenter(Object item) {
Action action = (Action) item;
if (TextUtils.isEmpty(action.getLabel2()) && action.getIcon() == null) {
return mOneLineActionPresenter;
} else {
return mTwoLineActionPresenter;
}
}
@Override
public Presenter[] getPresenters() {
return mPresenters;
}
static class ActionViewHolder extends Presenter.ViewHolder {
Action mAction;
Button mButton;
int mLayoutDirection;
public ActionViewHolder(View view, int layoutDirection) {
super(view);
mButton = (Button) view.findViewById(R.id.lb_action_button);
mLayoutDirection = layoutDirection;
}
}
class OneLineActionPresenter extends Presenter {
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent) {
View v = LayoutInflater.from(parent.getContext())
.inflate(R.layout.lb_action_1_line, parent, false);
return new ActionViewHolder(v, parent.getLayoutDirection());
}
@Override
public void onBindViewHolder(Presenter.ViewHolder viewHolder, Object item) {
Action action = (Action) item;
ActionViewHolder vh = (ActionViewHolder) viewHolder;
vh.mAction = action;
vh.mButton.setText(action.getLabel1());
}
@Override
public void onUnbindViewHolder(Presenter.ViewHolder viewHolder) {
((ActionViewHolder) viewHolder).mAction = null;
}
}
class TwoLineActionPresenter extends Presenter {
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent) {
View v = LayoutInflater.from(parent.getContext())
.inflate(R.layout.lb_action_2_lines, parent, false);
return new ActionViewHolder(v, parent.getLayoutDirection());
}
@Override
public void onBindViewHolder(Presenter.ViewHolder viewHolder, Object item) {
Action action = (Action) item;
ActionViewHolder vh = (ActionViewHolder) viewHolder;
Drawable icon = action.getIcon();
vh.mAction = action;
if (icon != null) {
final int startPadding = vh.view.getResources()
.getDimensionPixelSize(R.dimen.lb_action_with_icon_padding_start);
final int endPadding = vh.view.getResources()
.getDimensionPixelSize(R.dimen.lb_action_with_icon_padding_end);
vh.view.setPaddingRelative(startPadding, 0, endPadding, 0);
} else {
final int padding = vh.view.getResources()
.getDimensionPixelSize(R.dimen.lb_action_padding_horizontal);
vh.view.setPaddingRelative(padding, 0, padding, 0);
}
if (vh.mLayoutDirection == View.LAYOUT_DIRECTION_RTL) {
vh.mButton.setCompoundDrawablesWithIntrinsicBounds(null, null, icon, null);
} else {
vh.mButton.setCompoundDrawablesWithIntrinsicBounds(icon, null, null, null);
}
CharSequence line1 = action.getLabel1();
CharSequence line2 = action.getLabel2();
if (TextUtils.isEmpty(line1)) {
vh.mButton.setText(line2);
} else if (TextUtils.isEmpty(line2)) {
vh.mButton.setText(line1);
} else {
vh.mButton.setText(line1 + "\n" + line2);
}
}
@Override
public void onUnbindViewHolder(Presenter.ViewHolder viewHolder) {
ActionViewHolder vh = (ActionViewHolder) viewHolder;
vh.mButton.setCompoundDrawablesWithIntrinsicBounds(null, null, null, null);
vh.view.setPadding(0, 0, 0, 0);
vh.mAction = null;
}
}
}
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