AllAppsSearchBarController.java revision 2494c3f1681e71af06556ef47de16f018811f7e3
1ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung/* 2ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * Copyright (C) 2015 The Android Open Source Project 3ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * 4ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * Licensed under the Apache License, Version 2.0 (the "License"); 5ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * you may not use this file except in compliance with the License. 6ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * You may obtain a copy of the License at 7ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * 8ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * http://www.apache.org/licenses/LICENSE-2.0 9ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * 10ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * Unless required by applicable law or agreed to in writing, software 11ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * distributed under the License is distributed on an "AS IS" BASIS, 12ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * See the License for the specific language governing permissions and 14ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * limitations under the License. 15ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung */ 16ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungpackage com.android.launcher3.allapps; 17ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung 180ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyalimport android.content.Context; 192494c3f1681e71af06556ef47de16f018811f7e3Sunny Goyalimport android.content.Intent; 20ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.graphics.Rect; 212494c3f1681e71af06556ef47de16f018811f7e3Sunny Goyalimport android.net.Uri; 220ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyalimport android.text.Editable; 230ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyalimport android.text.TextWatcher; 240ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyalimport android.view.KeyEvent; 25ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.view.View; 260ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyalimport android.view.inputmethod.EditorInfo; 270ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyalimport android.view.inputmethod.InputMethodManager; 280ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyalimport android.widget.TextView; 290ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyalimport android.widget.TextView.OnEditorActionListener; 30ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung 310ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyalimport com.android.launcher3.ExtendedEditText; 329e3fee1427c0baa38564e20a9f351d1a87c25761Sunny Goyalimport com.android.launcher3.Launcher; 330ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyalimport com.android.launcher3.Utilities; 345183285847816cee9d0db6a8a7ab1a5929163e4eSunny Goyalimport com.android.launcher3.util.ComponentKey; 355183285847816cee9d0db6a8a7ab1a5929163e4eSunny Goyal 36ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport java.util.ArrayList; 37ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung 38ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung/** 39ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * An interface to a search box that AllApps can command. 40ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung */ 410ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyalpublic abstract class AllAppsSearchBarController 420ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal implements TextWatcher, OnEditorActionListener, ExtendedEditText.OnBackKeyListener { 43ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung 449e3fee1427c0baa38564e20a9f351d1a87c25761Sunny Goyal protected Launcher mLauncher; 45ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung protected AlphabeticalAppsList mApps; 46ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung protected Callbacks mCb; 470ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal protected ExtendedEditText mInput; 480ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal 490ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal protected DefaultAppSearchAlgorithm mSearchAlgorithm; 500ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal protected InputMethodManager mInputMethodManager; 51ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung 52ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung /** 53ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * Sets the references to the apps model and the search result callback. 54ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung */ 550ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal public final void initialize( 560ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal AlphabeticalAppsList apps, ExtendedEditText input, 579e3fee1427c0baa38564e20a9f351d1a87c25761Sunny Goyal Launcher launcher, Callbacks cb) { 58ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung mApps = apps; 59ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung mCb = cb; 609e3fee1427c0baa38564e20a9f351d1a87c25761Sunny Goyal mLauncher = launcher; 610ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal 620ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal mInput = input; 630ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal mInput.addTextChangedListener(this); 640ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal mInput.setOnEditorActionListener(this); 650ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal mInput.setOnBackKeyListener(this); 660ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal 670ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal mInputMethodManager = (InputMethodManager) 680ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal mInput.getContext().getSystemService(Context.INPUT_METHOD_SERVICE); 690ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal 700ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal mSearchAlgorithm = onInitializeSearch(); 71ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung } 72ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung 734919827990b16ae22595d0b7cb123a875961d9beSunny Goyal /** 742494c3f1681e71af06556ef47de16f018811f7e3Sunny Goyal * To be implemented by subclasses. This method will get called when the controller is set. 754919827990b16ae22595d0b7cb123a875961d9beSunny Goyal */ 762494c3f1681e71af06556ef47de16f018811f7e3Sunny Goyal protected abstract DefaultAppSearchAlgorithm onInitializeSearch(); 770ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal 780ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal @Override 790ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal public void beforeTextChanged(CharSequence s, int start, int count, int after) { 800ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal // Do nothing 810ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal } 820ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal 830ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal @Override 840ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal public void onTextChanged(CharSequence s, int start, int before, int count) { 850ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal // Do nothing 860ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal } 870ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal 880ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal @Override 890ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal public void afterTextChanged(final Editable s) { 900ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal String query = s.toString(); 910ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal if (query.isEmpty()) { 920ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal mSearchAlgorithm.cancel(true); 930ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal mCb.clearSearchResult(); 940ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal } else { 950ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal mSearchAlgorithm.cancel(false); 960ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal mSearchAlgorithm.doSearch(query, mCb); 970ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal } 980ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal } 990ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal 1000ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal @Override 1010ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { 1020ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal // Skip if it's not the right action 1030ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal if (actionId != EditorInfo.IME_ACTION_SEARCH) { 1040ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal return false; 1050ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal } 1069e3fee1427c0baa38564e20a9f351d1a87c25761Sunny Goyal // Skip if the query is empty 1079e3fee1427c0baa38564e20a9f351d1a87c25761Sunny Goyal String query = v.getText().toString(); 1089e3fee1427c0baa38564e20a9f351d1a87c25761Sunny Goyal if (query.isEmpty()) { 1090ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal return false; 1100ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal } 1112494c3f1681e71af06556ef47de16f018811f7e3Sunny Goyal return mLauncher.startActivitySafely(v, createMarketSearchIntent(query), null); 1120ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal } 1130ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal 1140ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal @Override 1150ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal public boolean onBackKey() { 1160ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal // Only hide the search field if there is no query, or if there 1170ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal // are no filtered results 1180ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal String query = Utilities.trim(mInput.getEditableText().toString()); 1190ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal if (query.isEmpty() || mApps.hasNoFilteredResults()) { 1200ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal reset(); 1210ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal return true; 1220ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal } 1230ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal return false; 1240ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal } 1250ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal 1260ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal /** 1270ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal * Resets the search bar state. 1280ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal */ 1290ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal public void reset() { 1300ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal unfocusSearchField(); 1310ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal mCb.clearSearchResult(); 1320ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal mInput.setText(""); 1330ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal mInputMethodManager.hideSoftInputFromWindow(mInput.getWindowToken(), 0); 1340ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal } 1350ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal 1360ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal protected void unfocusSearchField() { 1370ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal View nextFocus = mInput.focusSearch(View.FOCUS_DOWN); 1380ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal if (nextFocus != null) { 1390ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal nextFocus.requestFocus(); 1400ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal } 1410ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal } 142ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung 143ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung /** 144ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * Focuses the search field to handle key events. 145ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung */ 1460ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal public void focusSearchField() { 1470ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal mInput.requestFocus(); 1480ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal mInputMethodManager.showSoftInput(mInput, InputMethodManager.SHOW_IMPLICIT); 1490ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal } 150ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung 151ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung /** 152ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * Returns whether the search field is focused. 153ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung */ 1540ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal public boolean isSearchFieldFocused() { 1550ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal return mInput.isFocused(); 1560ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal } 157ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung 158ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung /** 1592494c3f1681e71af06556ef47de16f018811f7e3Sunny Goyal * Creates a new market search intent. 160ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung */ 1612494c3f1681e71af06556ef47de16f018811f7e3Sunny Goyal public Intent createMarketSearchIntent(String query) { 1622494c3f1681e71af06556ef47de16f018811f7e3Sunny Goyal Uri marketSearchUri = Uri.parse("market://search") 1632494c3f1681e71af06556ef47de16f018811f7e3Sunny Goyal .buildUpon() 1642494c3f1681e71af06556ef47de16f018811f7e3Sunny Goyal .appendQueryParameter("c", "apps") 1652494c3f1681e71af06556ef47de16f018811f7e3Sunny Goyal .appendQueryParameter("q", query) 1662494c3f1681e71af06556ef47de16f018811f7e3Sunny Goyal .build(); 1672494c3f1681e71af06556ef47de16f018811f7e3Sunny Goyal return new Intent(Intent.ACTION_VIEW).setData(marketSearchUri); 1680ac7ede56afebe4401c0636196f5844be573ad68Sunny Goyal } 169ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung 170ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung /** 171ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * Callback for getting search results. 172ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung */ 173ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung public interface Callbacks { 174ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung 175ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung /** 176ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * Called when the bounds of the search bar has changed. 177ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung */ 178ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung void onBoundsChanged(Rect newBounds); 179ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung 180ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung /** 181ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * Called when the search is complete. 182ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * 183ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * @param apps sorted list of matching components or null if in case of failure. 184ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung */ 1855183285847816cee9d0db6a8a7ab1a5929163e4eSunny Goyal void onSearchResult(String query, ArrayList<ComponentKey> apps); 186ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung 187ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung /** 188ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * Called when the search results should be cleared. 189ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung */ 190ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung void clearSearchResult(); 191ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung } 192ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung}