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/*
* 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.settings.homepage;
import android.animation.LayoutTransition;
import android.app.ActivityManager;
import android.app.settings.SettingsEnums;
import android.os.Bundle;
import android.util.FeatureFlagUtils;
import android.util.Log;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.Toolbar;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentActivity;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentTransaction;
import com.android.settings.R;
import com.android.settings.accounts.AvatarViewMixin;
import com.android.settings.core.CategoryMixin;
import com.android.settings.core.FeatureFlags;
import com.android.settings.homepage.contextualcards.ContextualCardsFragment;
import com.android.settings.overlay.FeatureFactory;
import com.android.settingslib.core.lifecycle.HideNonSystemOverlayMixin;
/** Settings homepage activity */
public class SettingsHomepageActivity extends FragmentActivity implements
CategoryMixin.CategoryHandler {
private static final String TAG = "SettingsHomepageActivity";
private static final long HOMEPAGE_LOADING_TIMEOUT_MS = 300;
private View mHomepageView;
private View mSuggestionView;
private CategoryMixin mCategoryMixin;
@Override
public CategoryMixin getCategoryMixin() {
return mCategoryMixin;
}
/**
* Shows the homepage and shows/hides the suggestion together. Only allows to be executed once
* to avoid the flicker caused by the suggestion suddenly appearing/disappearing.
*/
public void showHomepageWithSuggestion(boolean showSuggestion) {
if (mHomepageView == null) {
return;
}
Log.i(TAG, "showHomepageWithSuggestion: " + showSuggestion);
mSuggestionView.setVisibility(showSuggestion ? View.VISIBLE : View.GONE);
mHomepageView.setVisibility(View.VISIBLE);
mHomepageView = null;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.settings_homepage_container);
final View appBar = findViewById(R.id.app_bar_container);
appBar.setMinimumHeight(getSearchBoxHeight());
initHomepageContainer();
final Toolbar toolbar = findViewById(R.id.search_action_bar);
FeatureFactory.getFactory(this).getSearchFeatureProvider()
.initSearchToolbar(this /* activity */, toolbar, SettingsEnums.SETTINGS_HOMEPAGE);
getLifecycle().addObserver(new HideNonSystemOverlayMixin(this));
mCategoryMixin = new CategoryMixin(this);
getLifecycle().addObserver(mCategoryMixin);
if (!getSystemService(ActivityManager.class).isLowRamDevice()) {
// Only allow features on high ram devices.
final ImageView avatarView = findViewById(R.id.account_avatar);
if (AvatarViewMixin.isAvatarSupported(this)) {
avatarView.setVisibility(View.VISIBLE);
getLifecycle().addObserver(new AvatarViewMixin(this, avatarView));
}
showSuggestionFragment();
if (FeatureFlagUtils.isEnabled(this, FeatureFlags.CONTEXTUAL_HOME)) {
showFragment(new ContextualCardsFragment(), R.id.contextual_cards_content);
}
}
showFragment(new TopLevelSettings(), R.id.main_content);
((FrameLayout) findViewById(R.id.main_content))
.getLayoutTransition().enableTransitionType(LayoutTransition.CHANGING);
}
private void showSuggestionFragment() {
final Class<? extends Fragment> fragment = FeatureFactory.getFactory(this)
.getSuggestionFeatureProvider(this).getContextualSuggestionFragment();
if (fragment == null) {
return;
}
mSuggestionView = findViewById(R.id.suggestion_content);
mHomepageView = findViewById(R.id.settings_homepage_container);
// Hide the homepage for preparing the suggestion.
mHomepageView.setVisibility(View.GONE);
// Schedule a timer to show the homepage and hide the suggestion on timeout.
mHomepageView.postDelayed(() -> showHomepageWithSuggestion(false),
HOMEPAGE_LOADING_TIMEOUT_MS);
try {
showFragment(fragment.getConstructor().newInstance(), R.id.suggestion_content);
} catch (Exception e) {
Log.w(TAG, "Cannot show fragment", e);
}
}
private void showFragment(Fragment fragment, int id) {
final FragmentManager fragmentManager = getSupportFragmentManager();
final FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
final Fragment showFragment = fragmentManager.findFragmentById(id);
if (showFragment == null) {
fragmentTransaction.add(id, fragment);
} else {
fragmentTransaction.show(showFragment);
}
fragmentTransaction.commit();
}
private void initHomepageContainer() {
final View view = findViewById(R.id.homepage_container);
// Prevent inner RecyclerView gets focus and invokes scrolling.
view.setFocusableInTouchMode(true);
view.requestFocus();
}
private int getSearchBoxHeight() {
final int searchBarHeight = getResources().getDimensionPixelSize(R.dimen.search_bar_height);
final int searchBarMargin = getResources().getDimensionPixelSize(R.dimen.search_bar_margin);
return searchBarHeight + searchBarMargin * 2;
}
}
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