Revert recent location apps to pre-Q behavior

- List recent location request instead of location access
- Show in list view instead of app list widget
- Add overflow menu to "see all" page to show/hide system apps

Bug: 124015107
Test: build, flash, and test manually
Change-Id: I78df6d4b13ddf774013e8d819cf343ce012e6b0b

1 files changed, 116 insertions, 0 deletions

diff --git a/src/com/android/settings/location/RecentLocationRequestSeeAllPreferenceController.java b/src/com/android/settings/location/RecentLocationRequestSeeAllPreferenceController.java
new file mode 100644
index 0000000000..3abccf7d23
--- /dev/null
+++ b/src/com/android/settings/location/RecentLocationRequestSeeAllPreferenceController.java
@@ -0,0 +1,116 @@
+/*
+ * Copyright 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.location;
+
+import android.content.Context;
+
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
+
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.location.RecentLocationApps;
+import com.android.settingslib.widget.apppreference.AppPreference;
+
+import java.util.List;
+
+import com.android.settings.R;
+
+/** Preference controller for preference category displaying all recent location requests. */
+public class RecentLocationRequestSeeAllPreferenceController
+        extends LocationBasePreferenceController {
+    /** Key for preference category "All recent location requests" */
+    private static final String KEY_ALL_RECENT_LOCATION_REQUESTS = "all_recent_location_requests";
+    private final RecentLocationRequestSeeAllFragment mFragment;
+    private PreferenceCategory mCategoryAllRecentLocationRequests;
+    private RecentLocationApps mRecentLocationApps;
+    private boolean mShowSystem = false;
+    private Preference mPreference;
+
+    public RecentLocationRequestSeeAllPreferenceController(
+            Context context, Lifecycle lifecycle, RecentLocationRequestSeeAllFragment fragment) {
+        this(context, lifecycle, fragment, new RecentLocationApps(context));
+    }
+
+    @VisibleForTesting
+    RecentLocationRequestSeeAllPreferenceController(
+            Context context,
+            Lifecycle lifecycle,
+            RecentLocationRequestSeeAllFragment fragment,
+            RecentLocationApps recentLocationApps) {
+        super(context, lifecycle);
+        mFragment = fragment;
+        mRecentLocationApps = recentLocationApps;
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return KEY_ALL_RECENT_LOCATION_REQUESTS;
+    }
+
+    @Override
+    public void onLocationModeChanged(int mode, boolean restricted) {
+        mCategoryAllRecentLocationRequests.setEnabled(mLocationEnabler.isEnabled(mode));
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        mCategoryAllRecentLocationRequests =
+                (PreferenceCategory) screen.findPreference(KEY_ALL_RECENT_LOCATION_REQUESTS);
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        mCategoryAllRecentLocationRequests.removeAll();
+        mPreference = preference;
+        List<RecentLocationApps.Request> requests = mRecentLocationApps.getAppListSorted(
+                mShowSystem);
+        if (requests.isEmpty()) {
+            // If there's no item to display, add a "No recent apps" item.
+            final Preference banner = new AppPreference(mContext);
+            banner.setTitle(R.string.location_no_recent_apps);
+            banner.setSelectable(false);
+            mCategoryAllRecentLocationRequests.addPreference(banner);
+        } else {
+            for (RecentLocationApps.Request request : requests) {
+                Preference appPreference = createAppPreference(preference.getContext(), request);
+                mCategoryAllRecentLocationRequests.addPreference(appPreference);
+            }
+        }
+    }
+
+    @VisibleForTesting
+    AppPreference createAppPreference(
+            Context prefContext, RecentLocationApps.Request request) {
+        final AppPreference pref = new AppPreference(prefContext);
+        pref.setSummary(request.contentDescription);
+        pref.setIcon(request.icon);
+        pref.setTitle(request.label);
+        pref.setOnPreferenceClickListener(
+                new RecentLocationRequestPreferenceController.PackageEntryClickedListener(
+                        mFragment, request.packageName, request.userHandle));
+        return pref;
+    }
+
+    public void setShowSystem(boolean showSystem) {
+        mShowSystem = showSystem;
+        if (mPreference != null) {
+            updateState(mPreference);
+        }
+    }
+}