| /* |
| * Copyright (C) 2018 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.media.common; |
| |
| import android.annotation.Nullable; |
| import android.content.Context; |
| import android.content.res.TypedArray; |
| import android.graphics.Bitmap; |
| import android.graphics.drawable.Drawable; |
| import android.util.AttributeSet; |
| import android.view.LayoutInflater; |
| import android.widget.ImageView; |
| import android.widget.LinearLayout; |
| |
| import androidx.fragment.app.FragmentActivity; |
| |
| import com.android.car.media.common.source.MediaSourceViewModel; |
| |
| /** |
| * Widget showing the icon of the currently selected media application as well as an arrow |
| * indicating whether the selection UI is shown. The widget can be embedded both in an application |
| * bar where tapping it opens an {@link AppSelectionFragment}, and also in the UI of the selection |
| * fragment to provide visual continuity and a way to close the fragment without selecting an |
| * application. |
| * In order for the widget to connect to {@link MediaSourceViewModel} (so it can update its icon), |
| * {@link #setFragmentActivity} must be called by the code that creates a view containing this |
| * widget. |
| */ |
| public class MediaAppSelectorWidget extends LinearLayout { |
| |
| private final boolean mFullScreenDialog; |
| private final ImageView mAppIcon; |
| private final ImageView mAppSwitchIcon; |
| private final Drawable mDefaultIcon; |
| private final Drawable mArrowDropDown; |
| private final Drawable mArrowDropUp; |
| |
| private FragmentActivity mActivity; |
| |
| /** The fragment that owns the widget (only set when in display only mode). */ |
| @Nullable private AppSelectionFragment mFragmentOwner; |
| private String mDisplayedSourcePackage; |
| private boolean mFragmentIsOpen; |
| |
| public MediaAppSelectorWidget(Context context) { |
| this(context, null); |
| } |
| |
| public MediaAppSelectorWidget(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public MediaAppSelectorWidget(Context context, AttributeSet attrs, int defStyleAttr) { |
| this(context, attrs, defStyleAttr, 0); |
| } |
| |
| public MediaAppSelectorWidget(Context context, AttributeSet attrs, int defStyleAttr, |
| int defStyleRes) { |
| super(context, attrs, defStyleAttr, defStyleRes); |
| |
| TypedArray a = context.obtainStyledAttributes( |
| attrs, R.styleable.MediaAppSelectorWidget, defStyleAttr, 0 /* defStyleRes */); |
| mFullScreenDialog = a.getBoolean(R.styleable.MediaAppSelectorWidget_fullScreenDialog, true); |
| a.recycle(); |
| |
| mDefaultIcon = getResources().getDrawable(R.drawable.ic_music); |
| mArrowDropDown = getResources().getDrawable(R.drawable.ic_media_select_arrow_drop_down, |
| null); |
| mArrowDropUp = getResources().getDrawable(R.drawable.ic_media_select_arrow_drop_up, null); |
| |
| LayoutInflater inflater = LayoutInflater.from(context); |
| inflater.inflate(R.layout.app_switch_widget, this, true); |
| |
| mAppIcon = findViewById(R.id.app_icon); |
| mAppSwitchIcon = findViewById(R.id.app_switch_icon); |
| |
| setFragmentOwner(null); |
| setOnClickListener(view -> onAppSwitchClicked()); |
| } |
| |
| /** Calling this is required so the widget can show the icon of the primary media source. */ |
| public void setFragmentActivity(FragmentActivity activity) { |
| mActivity = activity; |
| MediaSourceViewModel model = MediaSourceViewModel.get(activity.getApplication()); |
| model.getPrimaryMediaSource().observe(activity, source -> { |
| if (source == null) { |
| setAppIcon(null); |
| } else { |
| mDisplayedSourcePackage = source.getPackageName(); |
| setAppIcon(source.getRoundPackageIcon()); |
| } |
| }); |
| } |
| |
| /** Opens the {@link AppSelectionFragment}. */ |
| public void open() { |
| if (!mFragmentIsOpen) { |
| onAppSwitchClicked(); |
| } |
| } |
| |
| /** Closes the {@link AppSelectionFragment}. */ |
| public void close() { |
| if (mFragmentIsOpen) { |
| onAppSwitchClicked(); |
| } |
| } |
| |
| /** Sets whether the widget is shown as part of an {@link AppSelectionFragment} UI. */ |
| void setFragmentOwner(@Nullable AppSelectionFragment fragmentOwner) { |
| mFragmentOwner = fragmentOwner; |
| setIsOpen(mFragmentOwner != null); |
| } |
| |
| void setIsOpen(boolean fragmentIsOpen) { |
| mFragmentIsOpen = fragmentIsOpen; |
| mAppSwitchIcon.setImageDrawable(fragmentIsOpen ? mArrowDropUp : mArrowDropDown); |
| } |
| |
| /** |
| * Updates the application icon to show next to the application switcher. |
| */ |
| private void setAppIcon(Bitmap icon) { |
| if (icon != null) { |
| mAppIcon.setImageBitmap(icon); |
| } else { |
| mAppIcon.setImageDrawable(mDefaultIcon); |
| } |
| } |
| |
| private void onAppSwitchClicked() { |
| if (mFragmentOwner != null) { |
| mFragmentOwner.dismiss(); |
| } else { |
| setIsOpen(true); |
| AppSelectionFragment newFragment = AppSelectionFragment.create(this, |
| mDisplayedSourcePackage, mFullScreenDialog); |
| newFragment.show(mActivity.getSupportFragmentManager(), null); |
| } |
| |
| } |
| } |