src/com/android/settings/dashboard/SupportItemAdapter.java - platform/packages/apps/Settings - Git at Google

 /*
  * 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.settings.dashboard;

 import android.accounts.Account;
 import android.annotation.DrawableRes;
 import android.annotation.LayoutRes;
 import android.annotation.StringRes;
 import android.app.Activity;
 import android.content.Intent;
 import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ImageView;
 import android.widget.TextView;

 import com.android.settings.R;
 import com.android.settings.overlay.SupportFeatureProvider;

 import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;

 import static com.android.settings.overlay.SupportFeatureProvider.SupportType.CHAT;
 import static com.android.settings.overlay.SupportFeatureProvider.SupportType.PHONE;

 /**
  * Item adapter for support tiles.
  */
 public final class SupportItemAdapter extends RecyclerView.Adapter<SupportItemAdapter.ViewHolder> {

     private static final int TYPE_TITLE = R.layout.support_item_title;
     private static final int TYPE_SUBTITLE = R.layout.support_item_subtitle;
     private static final int TYPE_ESCALATION_OPTIONS = R.layout.support_escalation_options;
     private static final int TYPE_SUPPORT_TILE = R.layout.support_tile;
     private static final int TYPE_SIGN_IN_BUTTON = R.layout.support_sign_in_button;

     private final Activity mActivity;
     private final EscalationClickListener mEscalationClickListener;
     private final SupportFeatureProvider mSupportFeatureProvider;
     private final View.OnClickListener mItemClickListener;
     private final List<SupportData> mSupportData;

     private boolean mHasInternet;
     private Account mAccount;

     public SupportItemAdapter(Activity activity, SupportFeatureProvider supportFeatureProvider,
             View.OnClickListener itemClickListener) {
         mActivity = activity;
         mSupportFeatureProvider = supportFeatureProvider;
         mItemClickListener = itemClickListener;
         mEscalationClickListener = new EscalationClickListener();
         mSupportData = new ArrayList<>();
         // Optimistically assume we have Internet access. It will be updated later to correct value.
         mHasInternet = true;
         setAccount(mSupportFeatureProvider.getSupportEligibleAccount(mActivity));
         refreshData();
     }

     @Override
     public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
         return new ViewHolder(LayoutInflater.from(parent.getContext()).inflate(
                 viewType, parent, false));
     }

     @Override
     public void onBindViewHolder(ViewHolder holder, int position) {
         final SupportData data = mSupportData.get(position);
         switch (holder.getItemViewType()) {
             case TYPE_SIGN_IN_BUTTON:
                 bindSignInPromoTile(holder, data);
                 break;
             case TYPE_ESCALATION_OPTIONS:
                 bindEscalationOptions(holder, data);
                 break;
             default:
                 bindSupportTile(holder, data);
                 break;
         }
     }

     @Override
     public int getItemViewType(int position) {
         return mSupportData.get(position).type;
     }

     @Override
     public int getItemCount() {
         return mSupportData.size();
     }

     /**
      * Called when a support item is clicked.
      */
     public void onItemClicked(int position) {
         if (position >= 0 && position < mSupportData.size()) {
             final SupportData data = mSupportData.get(position);
             if (data.intent != null) {
                 mActivity.startActivityForResult(data.intent, 0);
             }
         }
     }

     public void setHasInternet(boolean hasInternet) {
         if (mHasInternet != hasInternet) {
             mHasInternet = hasInternet;
             refreshData();
         }
     }

     public void setAccount(Account account) {
         if (!Objects.equals(mAccount, account)) {
             mAccount = account;
             refreshData();
         }
     }

     /**
      * Create data for the adapter. If there is already data in the adapter, they will be
      * destroyed and recreated.
      */
     private void refreshData() {
         mSupportData.clear();
         if (mAccount == null) {
             addSignInPromo();
         } else {
             addEscalationCards();
         }
         addMoreHelpItems();
         notifyDataSetChanged();
     }

     private void addEscalationCards() {
         if (mHasInternet) {
             mSupportData.add(new SupportData(TYPE_TITLE, 0 /* icon */,
                     R.string.support_escalation_title, R.string.support_escalation_summary,
                     null /* intent */));
         } else {
             mSupportData.add(new SupportData(TYPE_TITLE, 0 /* icon */,
                     R.string.support_offline_title, R.string.support_offline_summary,
                     null /* intent */));
         }
         final int phoneSupportText = mSupportFeatureProvider.isSupportTypeEnabled(mActivity, PHONE)
                 ? R.string.support_escalation_by_phone : 0;
         final int chatSupportText = mSupportFeatureProvider.isSupportTypeEnabled(mActivity, CHAT)
                 ? R.string.support_escalation_by_chat : 0;
         mSupportData.add(new SupportData(TYPE_ESCALATION_OPTIONS, 0 /* icon */,
                 phoneSupportText, chatSupportText, null /* intent */));
     }

     private void addSignInPromo() {
         mSupportData.add(new SupportData(TYPE_TITLE, 0 /* icon */,
                 R.string.support_sign_in_required_title, R.string.support_sign_in_required_summary,
                 null /* intent */));
         mSupportData.add(new SupportData(TYPE_SIGN_IN_BUTTON, 0 /* icon */,
                 R.string.support_sign_in_button_text, R.string.support_sign_in_required_help,
                 null /* intent */));

     }

     private void addMoreHelpItems() {
         mSupportData.add(new SupportData(TYPE_SUBTITLE, 0 /* icon */,
                 R.string.support_more_help_title, 0 /* summary */, null /* intent */));
         mSupportData.add(new SupportData(TYPE_SUPPORT_TILE, R.drawable.ic_forum_24dp,
                 R.string.support_forum_title, 0 /* summary */,
                 mSupportFeatureProvider.getForumIntent()));
         mSupportData.add(new SupportData(TYPE_SUPPORT_TILE, R.drawable.ic_help_24dp,
                 R.string.support_articles_title, 0 /* summary */, null /*intent */));
         mSupportData.add(new SupportData(TYPE_SUPPORT_TILE, R.drawable.ic_feedback_24dp,
                 R.string.support_feedback_title, 0 /* summary */, null /*intent */));
     }

     private void bindEscalationOptions(ViewHolder holder, SupportData data) {
         if (data.text1 == 0) {
             holder.text1View.setVisibility(View.GONE);
         } else {
             holder.text1View.setText(data.text1);
             holder.text1View.setOnClickListener(mEscalationClickListener);
             holder.text1View.setEnabled(mHasInternet);
             holder.text1View.setVisibility(View.VISIBLE);
         }
         if (data.text2 == 0) {
             holder.text2View.setVisibility(View.GONE);
         } else {
             holder.text2View.setText(data.text2);
             holder.text2View.setOnClickListener(mEscalationClickListener);
             holder.text2View.setEnabled(mHasInternet);
             holder.text2View.setVisibility(View.VISIBLE);
         }
     }

     private void bindSignInPromoTile(ViewHolder holder, SupportData data) {
         holder.text1View.setText(data.text1);
         holder.text2View.setText(data.text2);
         holder.text1View.setOnClickListener(mEscalationClickListener);
         holder.text2View.setOnClickListener(mEscalationClickListener);
     }

     private void bindSupportTile(ViewHolder holder, SupportData data) {
         if (holder.iconView != null) {
             holder.iconView.setImageResource(data.icon);
         }
         if (holder.text1View != null) {
             holder.text1View.setText(data.text1);
         }
         if (holder.text2View != null) {
             holder.text2View.setText(data.text2);
         }
         holder.itemView.setOnClickListener(mItemClickListener);
     }

     /**
      * Click handler for starting escalation options.
      */
     private final class EscalationClickListener implements View.OnClickListener {
         @Override
         public void onClick(View v) {
             switch (v.getId()) {
                 case android.R.id.text1: {
                     final Intent intent = mAccount == null
                             ? mSupportFeatureProvider.getAccountLoginIntent()
                             : mSupportFeatureProvider.getSupportIntent(mActivity, mAccount, PHONE);
                     mActivity.startActivityForResult(intent, 0 /* requestCode */);
                     break;
                 }
                 case android.R.id.text2: {
                     final Intent intent = mAccount == null
                             ? mSupportFeatureProvider.getSignInHelpIntent(mActivity)
                             : mSupportFeatureProvider.getSupportIntent(mActivity, mAccount, CHAT);
                     mActivity.startActivityForResult(intent, 0 /* requestCode */);
                     break;
                 }
             }
         }
     }

     /**
      * {@link RecyclerView.ViewHolder} for support items.
      */
     static final class ViewHolder extends RecyclerView.ViewHolder {

         final ImageView iconView;
         final TextView text1View;
         final TextView text2View;

         ViewHolder(View itemView) {
             super(itemView);
             iconView = (ImageView) itemView.findViewById(android.R.id.icon);
             text1View = (TextView) itemView.findViewById(android.R.id.text1);
             text2View = (TextView) itemView.findViewById(android.R.id.text2);
         }
     }

     /**
      * Data for a single support item.
      */
     private static final class SupportData {

         final Intent intent;
         @LayoutRes
         final int type;
         @DrawableRes
         final int icon;
         @StringRes
         final int text1;
         @StringRes
         final int text2;

         SupportData(@LayoutRes int type, @DrawableRes int icon, @StringRes int text1,
                 @StringRes int text2, Intent intent) {
             this.type = type;
             this.icon = icon;
             this.text1 = text1;
             this.text2 = text2;
             this.intent = intent;
         }
     }
 }
	/*
	* 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.settings.dashboard;

	import android.accounts.Account;
	import android.annotation.DrawableRes;
	import android.annotation.LayoutRes;
	import android.annotation.StringRes;
	import android.app.Activity;
	import android.content.Intent;
	import android.support.v7.widget.RecyclerView;
	import android.view.LayoutInflater;
	import android.view.View;
	import android.view.ViewGroup;
	import android.widget.ImageView;
	import android.widget.TextView;

	import com.android.settings.R;
	import com.android.settings.overlay.SupportFeatureProvider;

	import java.util.ArrayList;
	import java.util.List;
	import java.util.Objects;

	import static com.android.settings.overlay.SupportFeatureProvider.SupportType.CHAT;
	import static com.android.settings.overlay.SupportFeatureProvider.SupportType.PHONE;

	/**
	* Item adapter for support tiles.
	*/
	public final class SupportItemAdapter extends RecyclerView.Adapter<SupportItemAdapter.ViewHolder> {

	private static final int TYPE_TITLE = R.layout.support_item_title;
	private static final int TYPE_SUBTITLE = R.layout.support_item_subtitle;
	private static final int TYPE_ESCALATION_OPTIONS = R.layout.support_escalation_options;
	private static final int TYPE_SUPPORT_TILE = R.layout.support_tile;
	private static final int TYPE_SIGN_IN_BUTTON = R.layout.support_sign_in_button;

	private final Activity mActivity;
	private final EscalationClickListener mEscalationClickListener;
	private final SupportFeatureProvider mSupportFeatureProvider;
	private final View.OnClickListener mItemClickListener;
	private final List<SupportData> mSupportData;

	private boolean mHasInternet;
	private Account mAccount;

	public SupportItemAdapter(Activity activity, SupportFeatureProvider supportFeatureProvider,
	View.OnClickListener itemClickListener) {
	mActivity = activity;
	mSupportFeatureProvider = supportFeatureProvider;
	mItemClickListener = itemClickListener;
	mEscalationClickListener = new EscalationClickListener();
	mSupportData = new ArrayList<>();
	// Optimistically assume we have Internet access. It will be updated later to correct value.
	mHasInternet = true;
	setAccount(mSupportFeatureProvider.getSupportEligibleAccount(mActivity));
	refreshData();
	}

	@Override
	public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
	return new ViewHolder(LayoutInflater.from(parent.getContext()).inflate(
	viewType, parent, false));
	}

	@Override
	public void onBindViewHolder(ViewHolder holder, int position) {
	final SupportData data = mSupportData.get(position);
	switch (holder.getItemViewType()) {
	case TYPE_SIGN_IN_BUTTON:
	bindSignInPromoTile(holder, data);
	break;
	case TYPE_ESCALATION_OPTIONS:
	bindEscalationOptions(holder, data);
	break;
	default:
	bindSupportTile(holder, data);
	break;
	}
	}

	@Override
	public int getItemViewType(int position) {
	return mSupportData.get(position).type;
	}

	@Override
	public int getItemCount() {
	return mSupportData.size();
	}

	/**
	* Called when a support item is clicked.
	*/
	public void onItemClicked(int position) {
	if (position >= 0 && position < mSupportData.size()) {
	final SupportData data = mSupportData.get(position);
	if (data.intent != null) {
	mActivity.startActivityForResult(data.intent, 0);
	}
	}
	}

	public void setHasInternet(boolean hasInternet) {
	if (mHasInternet != hasInternet) {
	mHasInternet = hasInternet;
	refreshData();
	}
	}

	public void setAccount(Account account) {
	if (!Objects.equals(mAccount, account)) {
	mAccount = account;
	refreshData();
	}
	}

	/**
	* Create data for the adapter. If there is already data in the adapter, they will be
	* destroyed and recreated.
	*/
	private void refreshData() {
	mSupportData.clear();
	if (mAccount == null) {
	addSignInPromo();
	} else {
	addEscalationCards();
	}
	addMoreHelpItems();
	notifyDataSetChanged();
	}

	private void addEscalationCards() {
	if (mHasInternet) {
	mSupportData.add(new SupportData(TYPE_TITLE, 0 /* icon */,
	R.string.support_escalation_title, R.string.support_escalation_summary,
	null /* intent */));
	} else {
	mSupportData.add(new SupportData(TYPE_TITLE, 0 /* icon */,
	R.string.support_offline_title, R.string.support_offline_summary,
	null /* intent */));
	}
	final int phoneSupportText = mSupportFeatureProvider.isSupportTypeEnabled(mActivity, PHONE)
	? R.string.support_escalation_by_phone : 0;
	final int chatSupportText = mSupportFeatureProvider.isSupportTypeEnabled(mActivity, CHAT)
	? R.string.support_escalation_by_chat : 0;
	mSupportData.add(new SupportData(TYPE_ESCALATION_OPTIONS, 0 /* icon */,
	phoneSupportText, chatSupportText, null /* intent */));
	}

	private void addSignInPromo() {
	mSupportData.add(new SupportData(TYPE_TITLE, 0 /* icon */,
	R.string.support_sign_in_required_title, R.string.support_sign_in_required_summary,
	null /* intent */));
	mSupportData.add(new SupportData(TYPE_SIGN_IN_BUTTON, 0 /* icon */,
	R.string.support_sign_in_button_text, R.string.support_sign_in_required_help,
	null /* intent */));

	}

	private void addMoreHelpItems() {
	mSupportData.add(new SupportData(TYPE_SUBTITLE, 0 /* icon */,
	R.string.support_more_help_title, 0 /* summary /, null / intent */));
	mSupportData.add(new SupportData(TYPE_SUPPORT_TILE, R.drawable.ic_forum_24dp,
	R.string.support_forum_title, 0 /* summary */,
	mSupportFeatureProvider.getForumIntent()));
	mSupportData.add(new SupportData(TYPE_SUPPORT_TILE, R.drawable.ic_help_24dp,
	R.string.support_articles_title, 0 /* summary /, null /intent */));
	mSupportData.add(new SupportData(TYPE_SUPPORT_TILE, R.drawable.ic_feedback_24dp,
	R.string.support_feedback_title, 0 /* summary /, null /intent */));
	}

	private void bindEscalationOptions(ViewHolder holder, SupportData data) {
	if (data.text1 == 0) {
	holder.text1View.setVisibility(View.GONE);
	} else {
	holder.text1View.setText(data.text1);
	holder.text1View.setOnClickListener(mEscalationClickListener);
	holder.text1View.setEnabled(mHasInternet);
	holder.text1View.setVisibility(View.VISIBLE);
	}
	if (data.text2 == 0) {
	holder.text2View.setVisibility(View.GONE);
	} else {
	holder.text2View.setText(data.text2);
	holder.text2View.setOnClickListener(mEscalationClickListener);
	holder.text2View.setEnabled(mHasInternet);
	holder.text2View.setVisibility(View.VISIBLE);
	}
	}

	private void bindSignInPromoTile(ViewHolder holder, SupportData data) {
	holder.text1View.setText(data.text1);
	holder.text2View.setText(data.text2);
	holder.text1View.setOnClickListener(mEscalationClickListener);
	holder.text2View.setOnClickListener(mEscalationClickListener);
	}

	private void bindSupportTile(ViewHolder holder, SupportData data) {
	if (holder.iconView != null) {
	holder.iconView.setImageResource(data.icon);
	}
	if (holder.text1View != null) {
	holder.text1View.setText(data.text1);
	}
	if (holder.text2View != null) {
	holder.text2View.setText(data.text2);
	}
	holder.itemView.setOnClickListener(mItemClickListener);
	}

	/**
	* Click handler for starting escalation options.
	*/
	private final class EscalationClickListener implements View.OnClickListener {
	@Override
	public void onClick(View v) {
	switch (v.getId()) {
	case android.R.id.text1: {
	final Intent intent = mAccount == null
	? mSupportFeatureProvider.getAccountLoginIntent()
	: mSupportFeatureProvider.getSupportIntent(mActivity, mAccount, PHONE);
	mActivity.startActivityForResult(intent, 0 /* requestCode */);
	break;
	}
	case android.R.id.text2: {
	final Intent intent = mAccount == null
	? mSupportFeatureProvider.getSignInHelpIntent(mActivity)
	: mSupportFeatureProvider.getSupportIntent(mActivity, mAccount, CHAT);
	mActivity.startActivityForResult(intent, 0 /* requestCode */);
	break;
	}
	}
	}
	}

	/**
	* {@link RecyclerView.ViewHolder} for support items.
	*/
	static final class ViewHolder extends RecyclerView.ViewHolder {

	final ImageView iconView;
	final TextView text1View;
	final TextView text2View;

	ViewHolder(View itemView) {
	super(itemView);
	iconView = (ImageView) itemView.findViewById(android.R.id.icon);
	text1View = (TextView) itemView.findViewById(android.R.id.text1);
	text2View = (TextView) itemView.findViewById(android.R.id.text2);
	}
	}

	/**
	* Data for a single support item.
	*/
	private static final class SupportData {

	final Intent intent;
	@LayoutRes
	final int type;
	@DrawableRes
	final int icon;
	@StringRes
	final int text1;
	@StringRes
	final int text2;

	SupportData(@LayoutRes int type, @DrawableRes int icon, @StringRes int text1,
	@StringRes int text2, Intent intent) {
	this.type = type;
	this.icon = icon;
	this.text1 = text1;
	this.text2 = text2;
	this.intent = intent;
	}
	}
	}