diff options
Diffstat (limited to 'java/com/android/dialer/app/widget/EmptyContentView.java')
-rw-r--r-- | java/com/android/dialer/app/widget/EmptyContentView.java | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/java/com/android/dialer/app/widget/EmptyContentView.java b/java/com/android/dialer/app/widget/EmptyContentView.java new file mode 100644 index 000000000..cfc8665a2 --- /dev/null +++ b/java/com/android/dialer/app/widget/EmptyContentView.java @@ -0,0 +1,121 @@ +/* + * Copyright (C) 2015 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.dialer.app.widget; + +import android.content.Context; +import android.util.AttributeSet; +import android.view.LayoutInflater; +import android.view.View; +import android.widget.ImageView; +import android.widget.LinearLayout; +import android.widget.TextView; +import com.android.dialer.app.R; + +public class EmptyContentView extends LinearLayout implements View.OnClickListener { + + /** Listener to call when action button is clicked. */ + public interface OnEmptyViewActionButtonClickedListener { + void onEmptyViewActionButtonClicked(); + } + + public static final int NO_LABEL = 0; + public static final int NO_IMAGE = 0; + + private ImageView mImageView; + private TextView mDescriptionView; + private TextView mActionView; + private OnEmptyViewActionButtonClickedListener mOnActionButtonClickedListener; + + public EmptyContentView(Context context) { + this(context, null); + } + + public EmptyContentView(Context context, AttributeSet attrs) { + this(context, attrs, 0); + } + + public EmptyContentView(Context context, AttributeSet attrs, int defStyleAttr) { + this(context, attrs, defStyleAttr, 0); + } + + public EmptyContentView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { + super(context, attrs, defStyleAttr, defStyleRes); + inflateLayout(); + + // Don't let touches fall through the empty view. + setClickable(true); + mImageView = (ImageView) findViewById(R.id.emptyListViewImage); + mDescriptionView = (TextView) findViewById(R.id.emptyListViewMessage); + mActionView = (TextView) findViewById(R.id.emptyListViewAction); + mActionView.setOnClickListener(this); + } + + public void setDescription(int resourceId) { + if (resourceId == NO_LABEL) { + mDescriptionView.setText(null); + mDescriptionView.setVisibility(View.GONE); + } else { + mDescriptionView.setText(resourceId); + mDescriptionView.setVisibility(View.VISIBLE); + } + } + + public void setImage(int resourceId) { + if (resourceId == NO_LABEL) { + mImageView.setImageDrawable(null); + mImageView.setVisibility(View.GONE); + } else { + mImageView.setImageResource(resourceId); + mImageView.setVisibility(View.VISIBLE); + } + } + + public void setActionLabel(int resourceId) { + if (resourceId == NO_LABEL) { + mActionView.setText(null); + mActionView.setVisibility(View.GONE); + } else { + mActionView.setText(resourceId); + mActionView.setVisibility(View.VISIBLE); + } + } + + public boolean isShowingContent() { + return mImageView.getVisibility() == View.VISIBLE + || mDescriptionView.getVisibility() == View.VISIBLE + || mActionView.getVisibility() == View.VISIBLE; + } + + public void setActionClickedListener(OnEmptyViewActionButtonClickedListener listener) { + mOnActionButtonClickedListener = listener; + } + + @Override + public void onClick(View v) { + if (mOnActionButtonClickedListener != null) { + mOnActionButtonClickedListener.onEmptyViewActionButtonClicked(); + } + } + + protected void inflateLayout() { + setOrientation(LinearLayout.VERTICAL); + final LayoutInflater inflater = + (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE); + inflater.inflate(R.layout.empty_content_view, this); + } + +} |