| /* |
| * Copyright (C) 2019 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.car.ui.toolbar; |
| |
| import android.app.Activity; |
| import android.app.AlertDialog; |
| import android.content.Context; |
| import android.content.res.TypedArray; |
| import android.graphics.drawable.Drawable; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.view.LayoutInflater; |
| import android.view.MotionEvent; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.FrameLayout; |
| import android.widget.ImageView; |
| import android.widget.LinearLayout; |
| import android.widget.ProgressBar; |
| import android.widget.TextView; |
| |
| import androidx.annotation.DrawableRes; |
| import androidx.annotation.NonNull; |
| import androidx.annotation.Nullable; |
| import androidx.annotation.StringRes; |
| import androidx.annotation.XmlRes; |
| |
| import com.android.car.ui.R; |
| import com.android.car.ui.utils.CarUiUtils; |
| import com.android.car.ui.utils.CarUxRestrictionsUtil; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.Set; |
| import java.util.concurrent.CompletableFuture; |
| |
| /** |
| * A toolbar for Android Automotive OS apps. |
| * |
| * <p>This isn't a toolbar in the android framework sense, it's merely a custom view that can be |
| * added to a layout. (You can't call |
| * {@link android.app.Activity#setActionBar(android.widget.Toolbar)} with it) |
| * |
| * <p>The toolbar supports a navigation button, title, tabs, search, and {@link MenuItem MenuItems} |
| */ |
| public class Toolbar extends FrameLayout { |
| |
| /** Callback that will be issued whenever the height of toolbar is changed. */ |
| public interface OnHeightChangedListener { |
| /** |
| * Will be called when the height of the toolbar is changed. |
| * |
| * @param height new height of the toolbar |
| */ |
| void onHeightChanged(int height); |
| } |
| |
| /** Back button listener */ |
| public interface OnBackListener { |
| /** |
| * Invoked when the user clicks on the back button. By default, the toolbar will call |
| * the Activity's {@link android.app.Activity#onBackPressed()}. Returning true from |
| * this method will absorb the back press and prevent that behavior. |
| */ |
| boolean onBack(); |
| } |
| |
| /** Tab selection listener */ |
| public interface OnTabSelectedListener { |
| /** Called when a {@link TabLayout.Tab} is selected */ |
| void onTabSelected(TabLayout.Tab tab); |
| } |
| |
| /** Search listener */ |
| public interface OnSearchListener { |
| /** |
| * Invoked when the user edits a search query. |
| * |
| * <p>This is called for every letter the user types, and also empty strings if the user |
| * erases everything. |
| */ |
| void onSearch(String query); |
| } |
| |
| /** Search completed listener */ |
| public interface OnSearchCompletedListener { |
| /** |
| * Invoked when the user submits a search query by clicking the keyboard's search / done |
| * button. |
| */ |
| void onSearchCompleted(); |
| } |
| |
| private static final String TAG = "CarUiToolbar"; |
| |
| /** Enum of states the toolbar can be in. Controls what elements of the toolbar are displayed */ |
| public enum State { |
| /** |
| * In the HOME state, the logo will be displayed if there is one, and no navigation icon |
| * will be displayed. The tab bar will be visible. The title will be displayed if there |
| * is space. MenuItems will be displayed. |
| */ |
| HOME, |
| /** |
| * In the SUBPAGE state, the logo will be replaced with a back button, the tab bar won't |
| * be visible. The title and MenuItems will be displayed. |
| */ |
| SUBPAGE, |
| /** |
| * In the SEARCH state, only the back button and the search bar will be visible. |
| */ |
| SEARCH, |
| /** |
| * In the EDIT state, the search bar will look like a regular text box, but will be |
| * functionally identical to the SEARCH state. |
| */ |
| EDIT, |
| } |
| |
| private final boolean mIsTabsInSecondRow; |
| |
| private ImageView mNavIcon; |
| private ImageView mLogoInNavIconSpace; |
| private ViewGroup mNavIconContainer; |
| private TextView mTitle; |
| private ImageView mTitleLogo; |
| private ViewGroup mTitleLogoContainer; |
| private TabLayout mTabLayout; |
| private LinearLayout mMenuItemsContainer; |
| private FrameLayout mSearchViewContainer; |
| private SearchView mSearchView; |
| |
| // Cached values that we will send to views when they are inflated |
| private CharSequence mSearchHint; |
| private Drawable mSearchIcon; |
| private String mSearchQuery; |
| private final Set<OnSearchListener> mOnSearchListeners = new HashSet<>(); |
| private final Set<OnSearchCompletedListener> mOnSearchCompletedListeners = new HashSet<>(); |
| |
| private final Set<OnBackListener> mOnBackListeners = new HashSet<>(); |
| private final Set<OnTabSelectedListener> mOnTabSelectedListeners = new HashSet<>(); |
| private final Set<OnHeightChangedListener> mOnHeightChangedListeners = new HashSet<>(); |
| |
| private final MenuItem mOverflowButton; |
| private boolean mHasLogo = false; |
| private boolean mShowMenuItemsWhileSearching; |
| private State mState = State.HOME; |
| private NavButtonMode mNavButtonMode = NavButtonMode.BACK; |
| private boolean mShowTabsInSubpage = false; |
| @NonNull |
| private List<MenuItem> mMenuItems = Collections.emptyList(); |
| private List<MenuItem> mOverflowItems = new ArrayList<>(); |
| private final List<MenuItemRenderer> mMenuItemRenderers = new ArrayList<>(); |
| private CompletableFuture<Void> mMenuItemViewsFuture; |
| private int mMenuItemsXmlId = 0; |
| private AlertDialog mOverflowDialog; |
| private boolean mNavIconSpaceReserved; |
| private boolean mLogoFillsNavIconSpace; |
| private boolean mShowLogo; |
| private boolean mEatingTouch = false; |
| private boolean mEatingHover = false; |
| private ProgressBar mProgressBar; |
| private MenuItem.Listener mOverflowItemListener = () -> { |
| createOverflowDialog(); |
| setState(getState()); |
| }; |
| |
| public Toolbar(Context context) { |
| this(context, null); |
| } |
| |
| public Toolbar(Context context, AttributeSet attrs) { |
| this(context, attrs, R.attr.CarUiToolbarStyle); |
| } |
| |
| public Toolbar(Context context, AttributeSet attrs, int defStyleAttr) { |
| this(context, attrs, defStyleAttr, 0); |
| } |
| |
| public Toolbar(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { |
| super(context, attrs, defStyleAttr, defStyleRes); |
| |
| mOverflowButton = MenuItem.builder(getContext()) |
| .setIcon(R.drawable.car_ui_icon_overflow_menu) |
| .setTitle(R.string.car_ui_toolbar_menu_item_overflow_title) |
| .setOnClickListener(v -> { |
| if (mOverflowDialog == null) { |
| if (Log.isLoggable(TAG, Log.ERROR)) { |
| Log.e(TAG, "Overflow dialog was null when trying to show it!"); |
| } |
| } else { |
| mOverflowDialog.show(); |
| } |
| }) |
| .build(); |
| |
| TypedArray a = context.obtainStyledAttributes( |
| attrs, R.styleable.CarUiToolbar, defStyleAttr, defStyleRes); |
| |
| try { |
| |
| mIsTabsInSecondRow = context.getResources().getBoolean( |
| R.bool.car_ui_toolbar_tabs_on_second_row); |
| mNavIconSpaceReserved = context.getResources().getBoolean( |
| R.bool.car_ui_toolbar_nav_icon_reserve_space); |
| mLogoFillsNavIconSpace = context.getResources().getBoolean( |
| R.bool.car_ui_toolbar_logo_fills_nav_icon_space); |
| mShowLogo = context.getResources().getBoolean( |
| R.bool.car_ui_toolbar_show_logo); |
| |
| LayoutInflater inflater = (LayoutInflater) context |
| .getSystemService(Context.LAYOUT_INFLATER_SERVICE); |
| inflater.inflate(getToolbarLayout(), this, true); |
| |
| mTabLayout = requireViewById(R.id.car_ui_toolbar_tabs); |
| mNavIcon = requireViewById(R.id.car_ui_toolbar_nav_icon); |
| mLogoInNavIconSpace = requireViewById(R.id.car_ui_toolbar_logo); |
| mNavIconContainer = requireViewById(R.id.car_ui_toolbar_nav_icon_container); |
| mMenuItemsContainer = requireViewById(R.id.car_ui_toolbar_menu_items_container); |
| mTitle = requireViewById(R.id.car_ui_toolbar_title); |
| mTitleLogoContainer = requireViewById(R.id.car_ui_toolbar_title_logo_container); |
| mTitleLogo = requireViewById(R.id.car_ui_toolbar_title_logo); |
| mSearchViewContainer = requireViewById(R.id.car_ui_toolbar_search_view_container); |
| mProgressBar = requireViewById(R.id.car_ui_toolbar_progress_bar); |
| |
| setShowTabsInSubpage(a.getBoolean(R.styleable.CarUiToolbar_showTabsInSubpage, false)); |
| mTitle.setText(a.getString(R.styleable.CarUiToolbar_title)); |
| setLogo(a.getResourceId(R.styleable.CarUiToolbar_logo, 0)); |
| setBackgroundShown(a.getBoolean(R.styleable.CarUiToolbar_showBackground, true)); |
| setMenuItems(a.getResourceId(R.styleable.CarUiToolbar_menuItems, 0)); |
| mShowMenuItemsWhileSearching = a.getBoolean( |
| R.styleable.CarUiToolbar_showMenuItemsWhileSearching, false); |
| String searchHint = a.getString(R.styleable.CarUiToolbar_searchHint); |
| if (searchHint != null) { |
| setSearchHint(searchHint); |
| } |
| |
| switch (a.getInt(R.styleable.CarUiToolbar_state, 0)) { |
| case 0: |
| setState(State.HOME); |
| break; |
| case 1: |
| setState(State.SUBPAGE); |
| break; |
| case 2: |
| setState(State.SEARCH); |
| break; |
| default: |
| if (Log.isLoggable(TAG, Log.WARN)) { |
| Log.w(TAG, "Unknown initial state"); |
| } |
| break; |
| } |
| |
| switch (a.getInt(R.styleable.CarUiToolbar_navButtonMode, 0)) { |
| case 0: |
| setNavButtonMode(NavButtonMode.BACK); |
| break; |
| case 1: |
| setNavButtonMode(NavButtonMode.CLOSE); |
| break; |
| case 2: |
| setNavButtonMode(NavButtonMode.DOWN); |
| break; |
| default: |
| if (Log.isLoggable(TAG, Log.WARN)) { |
| Log.w(TAG, "Unknown navigation button style"); |
| } |
| break; |
| } |
| } finally { |
| a.recycle(); |
| } |
| |
| mTabLayout.addListener(new TabLayout.Listener() { |
| @Override |
| public void onTabSelected(TabLayout.Tab tab) { |
| for (OnTabSelectedListener listener : mOnTabSelectedListeners) { |
| listener.onTabSelected(tab); |
| } |
| } |
| }); |
| } |
| |
| /** |
| * Override this in a subclass to allow for different toolbar layouts within a single app. |
| * |
| * <p>Non-system apps should not use this, as customising the layout isn't possible with RROs |
| */ |
| protected int getToolbarLayout() { |
| if (mIsTabsInSecondRow) { |
| return R.layout.car_ui_toolbar_two_row; |
| } |
| |
| return R.layout.car_ui_toolbar; |
| } |
| |
| @Override |
| protected void onLayout(boolean changed, int left, int top, int right, int bottom) { |
| super.onLayout(changed, left, top, right, bottom); |
| for (OnHeightChangedListener listener : mOnHeightChangedListeners) { |
| listener.onHeightChanged(getHeight()); |
| } |
| } |
| |
| /** |
| * Returns {@code true} if a two row layout in enabled for the toolbar. |
| */ |
| public boolean isTabsInSecondRow() { |
| return mIsTabsInSecondRow; |
| } |
| |
| private final CarUxRestrictionsUtil.OnUxRestrictionsChangedListener |
| mOnUxRestrictionsChangedListener = restrictions -> { |
| for (MenuItemRenderer renderer : mMenuItemRenderers) { |
| renderer.setCarUxRestrictions(restrictions); |
| } |
| }; |
| |
| @Override |
| protected void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| CarUxRestrictionsUtil.getInstance(getContext()) |
| .register(mOnUxRestrictionsChangedListener); |
| } |
| |
| @Override |
| protected void onDetachedFromWindow() { |
| super.onDetachedFromWindow(); |
| CarUxRestrictionsUtil.getInstance(getContext()) |
| .unregister(mOnUxRestrictionsChangedListener); |
| } |
| |
| /** |
| * Sets the title of the toolbar to a string resource. |
| * |
| * <p>The title may not always be shown, for example with one row layout with tabs. |
| */ |
| public void setTitle(@StringRes int title) { |
| mTitle.setText(title); |
| setState(getState()); |
| } |
| |
| /** |
| * Sets the title of the toolbar to a CharSequence. |
| * |
| * <p>The title may not always be shown, for example with one row layout with tabs. |
| */ |
| public void setTitle(CharSequence title) { |
| mTitle.setText(title); |
| setState(getState()); |
| } |
| |
| public CharSequence getTitle() { |
| return mTitle.getText(); |
| } |
| |
| /** |
| * Gets the {@link TabLayout} for this toolbar. |
| */ |
| public TabLayout getTabLayout() { |
| return mTabLayout; |
| } |
| |
| /** |
| * Adds a tab to this toolbar. You can listen for when it is selected via |
| * {@link #registerOnTabSelectedListener(OnTabSelectedListener)}. |
| */ |
| public void addTab(TabLayout.Tab tab) { |
| mTabLayout.addTab(tab); |
| setState(getState()); |
| } |
| |
| /** Removes all the tabs. */ |
| public void clearAllTabs() { |
| mTabLayout.clearAllTabs(); |
| setState(getState()); |
| } |
| |
| /** |
| * Gets a tab added to this toolbar. See |
| * {@link #addTab(TabLayout.Tab)}. |
| */ |
| public TabLayout.Tab getTab(int position) { |
| return mTabLayout.get(position); |
| } |
| |
| /** |
| * Selects a tab added to this toolbar. See |
| * {@link #addTab(TabLayout.Tab)}. |
| */ |
| public void selectTab(int position) { |
| mTabLayout.selectTab(position); |
| } |
| |
| /** |
| * Sets whether or not tabs should also be shown in the SUBPAGE {@link State}. |
| */ |
| public void setShowTabsInSubpage(boolean showTabs) { |
| if (mShowTabsInSubpage != showTabs) { |
| mShowTabsInSubpage = showTabs; |
| setState(getState()); |
| } |
| } |
| |
| /** |
| * Gets whether or not tabs should also be shown in the SUBPAGE {@link State}. |
| */ |
| public boolean getShowTabsInSubpage() { |
| return mShowTabsInSubpage; |
| } |
| |
| /** |
| * Sets the logo to display in this toolbar. If navigation icon is being displayed, this logo |
| * will be displayed next to the title. |
| */ |
| public void setLogo(@DrawableRes int resId) { |
| setLogo(resId != 0 ? getContext().getDrawable(resId) : null); |
| } |
| |
| /** |
| * Sets the logo to display in this toolbar. If navigation icon is being displayed, this logo |
| * will be displayed next to the title. |
| */ |
| public void setLogo(Drawable drawable) { |
| if (!mShowLogo) { |
| // If no logo should be shown then we act as if we never received one. |
| return; |
| } |
| if (drawable != null) { |
| mLogoInNavIconSpace.setImageDrawable(drawable); |
| mTitleLogo.setImageDrawable(drawable); |
| mHasLogo = true; |
| } else { |
| mHasLogo = false; |
| } |
| setState(mState); |
| } |
| |
| /** Sets the hint for the search bar. */ |
| public void setSearchHint(@StringRes int resId) { |
| setSearchHint(getContext().getString(resId)); |
| } |
| |
| /** Sets the hint for the search bar. */ |
| public void setSearchHint(CharSequence hint) { |
| if (!Objects.equals(hint, mSearchHint)) { |
| mSearchHint = hint; |
| if (mSearchView != null) { |
| mSearchView.setHint(mSearchHint); |
| } |
| } |
| } |
| |
| /** Gets the search hint */ |
| public CharSequence getSearchHint() { |
| return mSearchHint; |
| } |
| |
| /** |
| * Sets the icon to display in the search box. |
| * |
| * <p>The icon will be lost on configuration change, make sure to set it in onCreate() or |
| * a similar place. |
| */ |
| public void setSearchIcon(@DrawableRes int resId) { |
| setSearchIcon(getContext().getDrawable(resId)); |
| } |
| |
| /** |
| * Sets the icon to display in the search box. |
| * |
| * <p>The icon will be lost on configuration change, make sure to set it in onCreate() or |
| * a similar place. |
| */ |
| public void setSearchIcon(Drawable d) { |
| if (!Objects.equals(d, mSearchIcon)) { |
| mSearchIcon = d; |
| if (mSearchView != null) { |
| mSearchView.setIcon(mSearchIcon); |
| } |
| } |
| } |
| |
| /** |
| * An enum of possible styles the nav button could be in. All styles will still call |
| * {@link OnBackListener#onBack()}. |
| */ |
| public enum NavButtonMode { |
| /** A back button */ |
| BACK, |
| /** A close button */ |
| CLOSE, |
| /** A down button, used to indicate that the page will animate down when navigating away */ |
| DOWN |
| } |
| |
| /** Sets the {@link NavButtonMode} */ |
| public void setNavButtonMode(NavButtonMode style) { |
| if (style != mNavButtonMode) { |
| mNavButtonMode = style; |
| setState(mState); |
| } |
| } |
| |
| /** Gets the {@link NavButtonMode} */ |
| public NavButtonMode getNavButtonMode() { |
| return mNavButtonMode; |
| } |
| |
| /** |
| * setBackground is disallowed, to prevent apps from deviating from the intended style too much. |
| */ |
| @Override |
| public void setBackground(Drawable d) { |
| throw new UnsupportedOperationException( |
| "You can not change the background of a CarUi toolbar, use " |
| + "setBackgroundShown(boolean) or an RRO instead."); |
| } |
| |
| /** Show/hide the background. When hidden, the toolbar is completely transparent. */ |
| public void setBackgroundShown(boolean shown) { |
| if (shown) { |
| super.setBackground(getContext().getDrawable(R.drawable.car_ui_toolbar_background)); |
| } else { |
| super.setBackground(null); |
| } |
| } |
| |
| /** Returns true is the toolbar background is shown */ |
| public boolean getBackgroundShown() { |
| return super.getBackground() != null; |
| } |
| |
| private void setMenuItemsInternal(@Nullable List<MenuItem> items) { |
| if (items == null) { |
| items = Collections.emptyList(); |
| } |
| |
| if (items.equals(mMenuItems)) { |
| return; |
| } |
| |
| // Copy the list so that if the list is modified and setMenuItems is called again, |
| // the equals() check will fail. Note that the MenuItems are not copied here. |
| mMenuItems = new ArrayList<>(items); |
| |
| mOverflowItems.clear(); |
| mMenuItemRenderers.clear(); |
| mMenuItemsContainer.removeAllViews(); |
| |
| List<CompletableFuture<View>> viewFutures = new ArrayList<>(); |
| for (MenuItem item : mMenuItems) { |
| if (item.getDisplayBehavior() == MenuItem.DisplayBehavior.NEVER) { |
| mOverflowItems.add(item); |
| item.setListener(mOverflowItemListener); |
| } else { |
| MenuItemRenderer renderer = new MenuItemRenderer(item, mMenuItemsContainer); |
| mMenuItemRenderers.add(renderer); |
| viewFutures.add(renderer.createView()); |
| } |
| } |
| |
| if (!mOverflowItems.isEmpty()) { |
| MenuItemRenderer renderer = new MenuItemRenderer(mOverflowButton, mMenuItemsContainer); |
| mMenuItemRenderers.add(renderer); |
| viewFutures.add(renderer.createView()); |
| createOverflowDialog(); |
| } |
| |
| if (mMenuItemViewsFuture != null) { |
| mMenuItemViewsFuture.cancel(false); |
| } |
| |
| mMenuItemViewsFuture = CompletableFuture.allOf( |
| viewFutures.toArray(new CompletableFuture[0])); |
| mMenuItemViewsFuture.thenRunAsync(() -> { |
| for (CompletableFuture<View> future : viewFutures) { |
| mMenuItemsContainer.addView(future.join()); |
| } |
| mMenuItemViewsFuture = null; |
| }, getContext().getMainExecutor()); |
| |
| setState(mState); |
| } |
| |
| /** |
| * Sets the {@link MenuItem Menuitems} to display. |
| */ |
| public void setMenuItems(@Nullable List<MenuItem> items) { |
| mMenuItemsXmlId = 0; |
| setMenuItemsInternal(items); |
| } |
| |
| /** |
| * Sets the {@link MenuItem Menuitems} to display to a list defined in XML. |
| * |
| * <p>If this method is called twice with the same argument (and {@link #setMenuItems(List)} |
| * wasn't called), nothing will happen the second time, even if the MenuItems were changed. |
| * |
| * <p>The XML file must have one <MenuItems> tag, with a variable number of <MenuItem> |
| * child tags. See CarUiToolbarMenuItem in CarUi's attrs.xml for a list of available attributes. |
| * |
| * Example: |
| * <pre> |
| * <MenuItems> |
| * <MenuItem |
| * app:title="Foo"/> |
| * <MenuItem |
| * app:title="Bar" |
| * app:icon="@drawable/ic_tracklist" |
| * app:onClick="xmlMenuItemClicked"/> |
| * <MenuItem |
| * app:title="Bar" |
| * app:checkable="true" |
| * app:uxRestrictions="FULLY_RESTRICTED" |
| * app:onClick="xmlMenuItemClicked"/> |
| * </MenuItems> |
| * </pre> |
| * |
| * @see #setMenuItems(List) |
| * @return The MenuItems that were loaded from XML. |
| */ |
| public List<MenuItem> setMenuItems(@XmlRes int resId) { |
| if (mMenuItemsXmlId != 0 && mMenuItemsXmlId == resId) { |
| return mMenuItems; |
| } |
| |
| mMenuItemsXmlId = resId; |
| List<MenuItem> menuItems = MenuItemRenderer.readMenuItemList(getContext(), resId); |
| setMenuItemsInternal(menuItems); |
| return menuItems; |
| } |
| |
| /** Gets the {@link MenuItem MenuItems} currently displayed */ |
| @NonNull |
| public List<MenuItem> getMenuItems() { |
| return Collections.unmodifiableList(mMenuItems); |
| } |
| |
| /** Gets a {@link MenuItem} by id. */ |
| @Nullable |
| public MenuItem findMenuItemById(int id) { |
| for (MenuItem item : mMenuItems) { |
| if (item.getId() == id) { |
| return item; |
| } |
| } |
| return null; |
| } |
| |
| /** Gets a {@link MenuItem} by id. Will throw an exception if not found. */ |
| @NonNull |
| public MenuItem requireMenuItemById(int id) { |
| MenuItem result = findMenuItemById(id); |
| |
| if (result == null) { |
| throw new IllegalArgumentException("ID does not reference a MenuItem on this Toolbar"); |
| } |
| |
| return result; |
| } |
| |
| private int countVisibleOverflowItems() { |
| int numVisibleItems = 0; |
| for (MenuItem item : mOverflowItems) { |
| if (item.isVisible()) { |
| numVisibleItems++; |
| } |
| } |
| return numVisibleItems; |
| } |
| |
| private void createOverflowDialog() { |
| // TODO(b/140564530) Use a carui alert with a (car ui)recyclerview here |
| // TODO(b/140563930) Support enabled/disabled overflow items |
| |
| CharSequence[] itemTitles = new CharSequence[countVisibleOverflowItems()]; |
| int i = 0; |
| for (MenuItem item : mOverflowItems) { |
| if (item.isVisible()) { |
| itemTitles[i++] = item.getTitle(); |
| } |
| } |
| |
| mOverflowDialog = new AlertDialog.Builder(getContext()) |
| .setItems(itemTitles, (dialog, which) -> { |
| MenuItem item = mOverflowItems.get(which); |
| MenuItem.OnClickListener listener = item.getOnClickListener(); |
| if (listener != null) { |
| listener.onClick(item); |
| } |
| }) |
| .create(); |
| } |
| |
| /** |
| * Set whether or not to show the {@link MenuItem MenuItems} while searching. Default false. |
| * Even if this is set to true, the {@link MenuItem} created by |
| * {@link MenuItem.Builder#setToSearch()} will still be hidden. |
| */ |
| public void setShowMenuItemsWhileSearching(boolean showMenuItems) { |
| mShowMenuItemsWhileSearching = showMenuItems; |
| setState(mState); |
| } |
| |
| /** Returns if {@link MenuItem MenuItems} are shown while searching */ |
| public boolean getShowMenuItemsWhileSearching() { |
| return mShowMenuItemsWhileSearching; |
| } |
| |
| /** |
| * Sets the search query. |
| */ |
| public void setSearchQuery(String query) { |
| if (!Objects.equals(mSearchQuery, query)) { |
| mSearchQuery = query; |
| if (mSearchView != null) { |
| mSearchView.setSearchQuery(query); |
| } else { |
| for (OnSearchListener listener : mOnSearchListeners) { |
| listener.onSearch(query); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Sets the state of the toolbar. This will show/hide the appropriate elements of the toolbar |
| * for the desired state. |
| */ |
| public void setState(State state) { |
| mState = state; |
| |
| if (mSearchView == null && (state == State.SEARCH || state == State.EDIT)) { |
| SearchView searchView = new SearchView(getContext()); |
| searchView.setHint(mSearchHint); |
| searchView.setIcon(mSearchIcon); |
| searchView.setSearchListeners(mOnSearchListeners); |
| searchView.setSearchCompletedListeners(mOnSearchCompletedListeners); |
| searchView.setSearchQuery(mSearchQuery); |
| searchView.setVisibility(View.GONE); |
| |
| FrameLayout.LayoutParams layoutParams = new FrameLayout.LayoutParams( |
| ViewGroup.LayoutParams.MATCH_PARENT, |
| ViewGroup.LayoutParams.MATCH_PARENT); |
| mSearchViewContainer.addView(searchView, layoutParams); |
| |
| mSearchView = searchView; |
| } |
| |
| for (MenuItemRenderer renderer : mMenuItemRenderers) { |
| renderer.setToolbarState(mState); |
| } |
| |
| View.OnClickListener backClickListener = (v) -> { |
| boolean absorbed = false; |
| List<OnBackListener> listenersCopy = new ArrayList<>(mOnBackListeners); |
| for (OnBackListener listener : listenersCopy) { |
| absorbed = absorbed || listener.onBack(); |
| } |
| |
| if (!absorbed) { |
| Activity activity = CarUiUtils.getActivity(getContext()); |
| if (activity != null) { |
| activity.onBackPressed(); |
| } |
| } |
| }; |
| |
| if (state == State.SEARCH) { |
| mNavIcon.setImageResource(R.drawable.car_ui_icon_search_nav_icon); |
| } else { |
| switch (mNavButtonMode) { |
| case CLOSE: |
| mNavIcon.setImageResource(R.drawable.car_ui_icon_close); |
| break; |
| case DOWN: |
| mNavIcon.setImageResource(R.drawable.car_ui_icon_down); |
| break; |
| default: |
| mNavIcon.setImageResource(R.drawable.car_ui_icon_arrow_back); |
| break; |
| } |
| } |
| |
| mNavIcon.setVisibility(state != State.HOME ? VISIBLE : GONE); |
| |
| // Show the logo in the nav space if that's enabled, we have a logo, |
| // and we're in the Home state. |
| mLogoInNavIconSpace.setVisibility(mHasLogo |
| && state == State.HOME |
| && mLogoFillsNavIconSpace |
| ? VISIBLE : INVISIBLE); |
| |
| // Show logo next to the title if we're in the subpage state or we're configured to not show |
| // the logo in the nav icon space. |
| mTitleLogoContainer.setVisibility(mHasLogo |
| && (state == State.SUBPAGE |
| || (state == Toolbar.State.HOME && !mLogoFillsNavIconSpace)) |
| ? VISIBLE : GONE); |
| |
| // Show the nav icon container if we're not in the home space or the logo fills the nav icon |
| // container. If car_ui_toolbar_nav_icon_reserve_space is true, hiding it will still reserve |
| // its space |
| mNavIconContainer.setVisibility(state != State.HOME || (mHasLogo && mLogoFillsNavIconSpace) |
| ? VISIBLE : (mNavIconSpaceReserved ? INVISIBLE : GONE)); |
| mNavIconContainer.setOnClickListener(state != State.HOME ? backClickListener : null); |
| mNavIconContainer.setClickable(state != State.HOME); |
| |
| boolean hasTabs = mTabLayout.getTabCount() > 0 |
| && (state == State.HOME || (state == State.SUBPAGE && mShowTabsInSubpage)); |
| // Show the title if we're in the subpage state, or in the home state with no tabs or tabs |
| // on the second row |
| mTitle.setVisibility((state == State.SUBPAGE || state == State.HOME) |
| && (!hasTabs || mIsTabsInSecondRow) |
| ? VISIBLE : GONE); |
| mTabLayout.setVisibility(hasTabs ? VISIBLE : GONE); |
| |
| if (mSearchView != null) { |
| if (state == State.SEARCH || state == State.EDIT) { |
| mSearchView.setPlainText(state == State.EDIT); |
| mSearchView.setVisibility(VISIBLE); |
| } else { |
| mSearchView.setVisibility(GONE); |
| } |
| } |
| |
| boolean showButtons = (state != State.SEARCH && state != State.EDIT) |
| || mShowMenuItemsWhileSearching; |
| mMenuItemsContainer.setVisibility(showButtons ? VISIBLE : GONE); |
| mOverflowButton.setVisible(showButtons && countVisibleOverflowItems() > 0); |
| } |
| |
| /** Gets the current {@link State} of the toolbar. */ |
| public State getState() { |
| return mState; |
| } |
| |
| @Override |
| public boolean onTouchEvent(MotionEvent ev) { |
| // Copied from androidx.appcompat.widget.Toolbar |
| |
| // Toolbars always eat touch events, but should still respect the touch event dispatch |
| // contract. If the normal View implementation doesn't want the events, we'll just silently |
| // eat the rest of the gesture without reporting the events to the default implementation |
| // since that's what it expects. |
| |
| final int action = ev.getActionMasked(); |
| if (action == MotionEvent.ACTION_DOWN) { |
| mEatingTouch = false; |
| } |
| |
| if (!mEatingTouch) { |
| final boolean handled = super.onTouchEvent(ev); |
| if (action == MotionEvent.ACTION_DOWN && !handled) { |
| mEatingTouch = true; |
| } |
| } |
| |
| if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_CANCEL) { |
| mEatingTouch = false; |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public boolean onHoverEvent(MotionEvent ev) { |
| // Copied from androidx.appcompat.widget.Toolbar |
| |
| // Same deal as onTouchEvent() above. Eat all hover events, but still |
| // respect the touch event dispatch contract. |
| |
| final int action = ev.getActionMasked(); |
| if (action == MotionEvent.ACTION_HOVER_ENTER) { |
| mEatingHover = false; |
| } |
| |
| if (!mEatingHover) { |
| final boolean handled = super.onHoverEvent(ev); |
| if (action == MotionEvent.ACTION_HOVER_ENTER && !handled) { |
| mEatingHover = true; |
| } |
| } |
| |
| if (action == MotionEvent.ACTION_HOVER_EXIT || action == MotionEvent.ACTION_CANCEL) { |
| mEatingHover = false; |
| } |
| |
| return true; |
| } |
| |
| /** |
| * Registers a new {@link OnHeightChangedListener} to the list of listeners. Register a |
| * {@link com.android.car.ui.recyclerview.CarUiRecyclerView} only if there is a toolbar at |
| * the top and a {@link com.android.car.ui.recyclerview.CarUiRecyclerView} in the view and |
| * nothing else. {@link com.android.car.ui.recyclerview.CarUiRecyclerView} will |
| * automatically adjust its height according to the height of the Toolbar. |
| */ |
| public void registerToolbarHeightChangeListener( |
| OnHeightChangedListener listener) { |
| mOnHeightChangedListeners.add(listener); |
| } |
| |
| /** Unregisters an existing {@link OnHeightChangedListener} from the list of listeners. */ |
| public boolean unregisterToolbarHeightChangeListener( |
| OnHeightChangedListener listener) { |
| return mOnHeightChangedListeners.remove(listener); |
| } |
| |
| /** Registers a new {@link OnTabSelectedListener} to the list of listeners. */ |
| public void registerOnTabSelectedListener(OnTabSelectedListener listener) { |
| mOnTabSelectedListeners.add(listener); |
| } |
| |
| /** Unregisters an existing {@link OnTabSelectedListener} from the list of listeners. */ |
| public boolean unregisterOnTabSelectedListener(OnTabSelectedListener listener) { |
| return mOnTabSelectedListeners.remove(listener); |
| } |
| |
| /** Registers a new {@link OnSearchListener} to the list of listeners. */ |
| public void registerOnSearchListener(OnSearchListener listener) { |
| mOnSearchListeners.add(listener); |
| } |
| |
| /** Unregisters an existing {@link OnSearchListener} from the list of listeners. */ |
| public boolean unregisterOnSearchListener(OnSearchListener listener) { |
| return mOnSearchListeners.remove(listener); |
| } |
| |
| /** Registers a new {@link OnSearchCompletedListener} to the list of listeners. */ |
| public void registerOnSearchCompletedListener(OnSearchCompletedListener listener) { |
| mOnSearchCompletedListeners.add(listener); |
| } |
| |
| /** Unregisters an existing {@link OnSearchCompletedListener} from the list of listeners. */ |
| public boolean unregisterOnSearchCompletedListener(OnSearchCompletedListener listener) { |
| return mOnSearchCompletedListeners.remove(listener); |
| } |
| |
| /** Registers a new {@link OnBackListener} to the list of listeners. */ |
| public void registerOnBackListener(OnBackListener listener) { |
| mOnBackListeners.add(listener); |
| } |
| |
| /** Unregisters an existing {@link OnTabSelectedListener} from the list of listeners. */ |
| public boolean unregisterOnBackListener(OnBackListener listener) { |
| return mOnBackListeners.remove(listener); |
| } |
| |
| /** Shows the progress bar */ |
| public void showProgressBar() { |
| mProgressBar.setVisibility(View.VISIBLE); |
| } |
| |
| /** Hides the progress bar */ |
| public void hideProgressBar() { |
| mProgressBar.setVisibility(View.GONE); |
| } |
| |
| /** Returns the progress bar */ |
| public ProgressBar getProgressBar() { |
| return mProgressBar; |
| } |
| } |
