/*
* Copyright 2015 Google Inc.
*
* 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 io.plaidapp.ui;
import android.app.Activity;
import android.app.SearchManager;
import android.app.SharedElementCallback;
import android.content.Intent;
import android.graphics.Point;
import android.graphics.Typeface;
import android.os.Bundle;
import android.support.annotation.TransitionRes;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.text.InputType;
import android.text.SpannableStringBuilder;
import android.text.Spanned;
import android.text.TextUtils;
import android.text.style.StyleSpan;
import android.transition.Transition;
import android.transition.TransitionInflater;
import android.transition.TransitionManager;
import android.transition.TransitionSet;
import android.util.SparseArray;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewStub;
import android.view.inputmethod.EditorInfo;
import android.widget.CheckedTextView;
import android.widget.ImageButton;
import android.widget.ProgressBar;
import android.widget.SearchView;
import android.widget.TextView;
import java.util.List;
import butterknife.BindDimen;
import butterknife.BindInt;
import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.OnClick;
import io.plaidapp.R;
import io.plaidapp.data.PlaidItem;
import io.plaidapp.data.SearchDataManager;
import io.plaidapp.data.pocket.PocketUtils;
import io.plaidapp.util.ShortcutHelper;
import io.plaidapp.ui.recyclerview.InfiniteScrollListener;
import io.plaidapp.ui.recyclerview.SlideInItemAnimator;
import io.plaidapp.ui.transitions.CircularReveal;
import io.plaidapp.util.ImeUtils;
import io.plaidapp.util.TransitionUtils;
public class SearchActivity extends Activity {
public static final String EXTRA_QUERY = "EXTRA_QUERY";
public static final String EXTRA_SAVE_DRIBBBLE = "EXTRA_SAVE_DRIBBBLE";
public static final String EXTRA_SAVE_DESIGNER_NEWS = "EXTRA_SAVE_DESIGNER_NEWS";
public static final int RESULT_CODE_SAVE = 7;
@BindView(R.id.searchback) ImageButton searchBack;
@BindView(R.id.searchback_container) ViewGroup searchBackContainer;
@BindView(R.id.search_view) SearchView searchView;
@BindView(R.id.search_background) View searchBackground;
@BindView(android.R.id.empty) ProgressBar progress;
@BindView(R.id.search_results) RecyclerView results;
@BindView(R.id.container) ViewGroup container;
@BindView(R.id.search_toolbar) ViewGroup searchToolbar;
@BindView(R.id.results_container) ViewGroup resultsContainer;
@BindView(R.id.fab) ImageButton fab;
@BindView(R.id.confirm_save_container) ViewGroup confirmSaveContainer;
@BindView(R.id.save_dribbble) CheckedTextView saveDribbble;
@BindView(R.id.save_designer_news) CheckedTextView saveDesignerNews;
@BindView(R.id.scrim) View scrim;
@BindView(R.id.results_scrim) View resultsScrim;
@BindInt(R.integer.num_columns) int columns;
@BindDimen(R.dimen.z_app_bar) float appBarElevation;
SearchDataManager dataManager;
FeedAdapter adapter;
private TextView noResults;
private SparseArray<Transition> transitions = new SparseArray<>();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_search);
ButterKnife.bind(this);
setupSearchView();
dataManager = new SearchDataManager(this) {
@Override
public void onDataLoaded(List<? extends PlaidItem> data) {
if (data != null && data.size() > 0) {
if (results.getVisibility() != View.VISIBLE) {
TransitionManager.beginDelayedTransition(container,
getTransition(R.transition.search_show_results));
progress.setVisibility(View.GONE);
results.setVisibility(View.VISIBLE);
fab.setVisibility(View.VISIBLE);
}
adapter.addAndResort(data);
} else {
TransitionManager.beginDelayedTransition(
container, getTransition(R.transition.auto));
progress.setVisibility(View.GONE);
setNoResultsVisibility(View.VISIBLE);
}
}
};
adapter = new FeedAdapter(this, dataManager, columns, PocketUtils.isPocketInstalled(this));
setExitSharedElementCallback(FeedAdapter.createSharedElementReenterCallback(this));
results.setAdapter(adapter);
results.setItemAnimator(new SlideInItemAnimator());
GridLayoutManager layoutManager = new GridLayoutManager(this, columns);
layoutManager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
@Override
public int getSpanSize(int position) {
return adapter.getItemColumnSpan(position);
}
});
results.setLayoutManager(layoutManager);
results.addOnScrollListener(new InfiniteScrollListener(layoutManager, dataManager) {
@Override
public void onLoadMore() {
dataManager.loadMore();
}
});
results.setHasFixedSize(true);
setupTransitions();
onNewIntent(getIntent());
ShortcutHelper.reportSearchUsed(this);
}
@Override
protected void onNewIntent(Intent intent) {
if (intent.hasExtra(SearchManager.QUERY)) {
String query = intent.getStringExtra(SearchManager.QUERY);
if (!TextUtils.isEmpty(query)) {
searchView.setQuery(query, false);
searchFor(query);
}
}
}
@Override
public void onBackPressed() {
if (confirmSaveContainer.getVisibility() == View.VISIBLE) {
hideSaveConfirmation();
} else {
dismiss();
}
}
@Override
protected void onPause() {
// needed to suppress the default window animation when closing the activity
overridePendingTransition(0, 0);
super.onPause();
}
@Override
protected void onDestroy() {
dataManager.cancelLoading();
super.onDestroy();
}
@Override
public void onEnterAnimationComplete() {
// focus the search view once the enter transition finishes
searchView.requestFocus();
ImeUtils.showIme(searchView);
}
@OnClick({ R.id.scrim, R.id.searchback })
protected void dismiss() {
// clear the background else the touch ripple moves with the translation which looks bad
searchBack.setBackground(null);
finishAfterTransition();
}
@OnClick(R.id.fab)
protected void save() {
// show the save confirmation bubble
TransitionManager.beginDelayedTransition(
resultsContainer, getTransition(R.transition.search_show_confirm));
fab.setVisibility(View.INVISIBLE);
confirmSaveContainer.setVisibility(View.VISIBLE);
resultsScrim.setVisibility(View.VISIBLE);
}
@OnClick(R.id.save_confirmed)
protected void doSave() {
Intent saveData = new Intent();
saveData.putExtra(EXTRA_QUERY, dataManager.getQuery());
saveData.putExtra(EXTRA_SAVE_DRIBBBLE, saveDribbble.isChecked());
saveData.putExtra(EXTRA_SAVE_DESIGNER_NEWS, saveDesignerNews.isChecked());
setResult(RESULT_CODE_SAVE, saveData);
dismiss();
}
@OnClick(R.id.results_scrim)
protected void hideSaveConfirmation() {
if (confirmSaveContainer.getVisibility() == View.VISIBLE) {
TransitionManager.beginDelayedTransition(
resultsContainer, getTransition(R.transition.search_hide_confirm));
confirmSaveContainer.setVisibility(View.GONE);
resultsScrim.setVisibility(View.GONE);
fab.setVisibility(results.getVisibility());
}
}
@OnClick({ R.id.save_dribbble, R.id.save_designer_news })
protected void toggleSaveCheck(CheckedTextView ctv) {
ctv.toggle();
}
void clearResults() {
TransitionManager.beginDelayedTransition(container, getTransition(R.transition.auto));
adapter.clear();
dataManager.clear();
results.setVisibility(View.GONE);
progress.setVisibility(View.GONE);
fab.setVisibility(View.GONE);
confirmSaveContainer.setVisibility(View.GONE);
resultsScrim.setVisibility(View.GONE);
setNoResultsVisibility(View.GONE);
}
void setNoResultsVisibility(int visibility) {
if (visibility == View.VISIBLE) {
if (noResults == null) {
noResults = (TextView) ((ViewStub)
findViewById(R.id.stub_no_search_results)).inflate();
noResults.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
searchView.setQuery("", false);
searchView.requestFocus();
ImeUtils.showIme(searchView);
}
});
}
String message = String.format(
getString(R.string.no_search_results), searchView.getQuery().toString());
SpannableStringBuilder ssb = new SpannableStringBuilder(message);
ssb.setSpan(new StyleSpan(Typeface.ITALIC),
message.indexOf('“') + 1,
message.length() - 1,
Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
noResults.setText(ssb);
}
if (noResults != null) {
noResults.setVisibility(visibility);
}
}
void searchFor(String query) {
clearResults();
progress.setVisibility(View.VISIBLE);
ImeUtils.hideIme(searchView);
searchView.clearFocus();
dataManager.searchFor(query);
}
Transition getTransition(@TransitionRes int transitionId) {
Transition transition = transitions.get(transitionId);
if (transition == null) {
transition = TransitionInflater.from(this).inflateTransition(transitionId);
transitions.put(transitionId, transition);
}
return transition;
}
private void setupSearchView() {
SearchManager searchManager = (SearchManager) getSystemService(SEARCH_SERVICE);
searchView.setSearchableInfo(searchManager.getSearchableInfo(getComponentName()));
// hint, inputType & ime options seem to be ignored from XML! Set in code
searchView.setQueryHint(getString(R.string.search_hint));
searchView.setInputType(InputType.TYPE_TEXT_FLAG_CAP_WORDS);
searchView.setImeOptions(searchView.getImeOptions() | EditorInfo.IME_ACTION_SEARCH |
EditorInfo.IME_FLAG_NO_EXTRACT_UI | EditorInfo.IME_FLAG_NO_FULLSCREEN);
searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
@Override
public boolean onQueryTextSubmit(String query) {
searchFor(query);
return true;
}
@Override
public boolean onQueryTextChange(String query) {
if (TextUtils.isEmpty(query)) {
clearResults();
}
return true;
}
});
searchView.setOnQueryTextFocusChangeListener(new View.OnFocusChangeListener() {
@Override
public void onFocusChange(View v, boolean hasFocus) {
if (hasFocus && confirmSaveContainer.getVisibility() == View.VISIBLE) {
hideSaveConfirmation();
}
}
});
}
private void setupTransitions() {
// grab the position that the search icon transitions in *from*
// & use it to configure the return transition
setEnterSharedElementCallback(new SharedElementCallback() {
@Override
public void onSharedElementStart(
List<String> sharedElementNames,
List<View> sharedElements,
List<View> sharedElementSnapshots) {
if (sharedElements != null && !sharedElements.isEmpty()) {
View searchIcon = sharedElements.get(0);
if (searchIcon.getId() != R.id.searchback) return;
int centerX = (searchIcon.getLeft() + searchIcon.getRight()) / 2;
CircularReveal hideResults = (CircularReveal) TransitionUtils.findTransition(
(TransitionSet) getWindow().getReturnTransition(),
CircularReveal.class, R.id.results_container);
if (hideResults != null) {
hideResults.setCenter(new Point(centerX, 0));
}
}
}
});
}
}