Removing unused interfaces from Launcher

Bug: 301661768
Test: Presubmit
Flag: N/A
Change-Id: Ia042805080bd314efff5a9bb4877f4f830fb3998

src/com/android/launcher3/Launcher.java

@@ -576,9 +576,6 @@ public class Launcher extends StatefulActivity<LauncherState>
         getSystemUiController().updateUiState(SystemUiController.UI_STATE_BASE_WINDOW,
                 Themes.getAttrBoolean(this, R.attr.isWorkspaceDarkText));
 
-        if (mLauncherCallbacks != null) {
-            mLauncherCallbacks.onCreate(savedInstanceState);
-        }
         mOverlayManager = getDefaultOverlay();
         PluginManagerWrapper.INSTANCE.get(this).addPluginListener(this,
                 LauncherOverlayPlugin.class, false /* allowedMultiple */);
@@ -788,8 +785,6 @@ public class Launcher extends StatefulActivity<LauncherState>
         return true;
     }
 
-    private LauncherCallbacks mLauncherCallbacks;
-
     @Override
     public void invalidateParent(ItemInfo info) {
         if (info.container >= 0) {
@@ -1581,9 +1576,6 @@ public class Launcher extends StatefulActivity<LauncherState>
                 }
             }
 
-            if (mLauncherCallbacks != null) {
-                mLauncherCallbacks.onHomeIntent(internalStateHandled);
-            }
             if (FeatureFlags.ENABLE_SPLIT_FROM_WORKSPACE_TO_WORKSPACE.get()) {
                 handleSplitAnimationGoingToHome();
             }
@@ -1752,28 +1744,6 @@ public class Launcher extends StatefulActivity<LauncherState>
         }
     }
 
-    /**
-     * Indicates that we want global search for this activity by setting the globalSearch
-     * argument for {@link #startSearch} to true.
-     */
-    @Override
-    public void startSearch(String initialQuery, boolean selectInitialQuery,
-            Bundle appSearchData, boolean globalSearch) {
-        if (appSearchData == null) {
-            appSearchData = new Bundle();
-            appSearchData.putString("source", "launcher-search");
-        }
-
-        if (mLauncherCallbacks == null ||
-                !mLauncherCallbacks.startSearch(initialQuery, selectInitialQuery, appSearchData)) {
-            // Starting search from the callbacks failed. Start the default global search.
-            super.startSearch(initialQuery, selectInitialQuery, appSearchData, true);
-        }
-
-        // We need to show the workspace after starting the search
-        mStateManager.goToState(NORMAL);
-    }
-
     void addAppWidgetFromDropImpl(int appWidgetId, ItemInfo info, AppWidgetHostView boundWidget,
             WidgetAddFlowHandler addFlowHandler) {
         if (LOGD) {
@@ -2997,10 +2967,6 @@ public class Launcher extends StatefulActivity<LauncherState>
         }
 
         mModel.dumpState(prefix, fd, writer, args);
-
-        if (mLauncherCallbacks != null) {
-            mLauncherCallbacks.dump(prefix, fd, writer, args);
-        }
         mOverlayManager.dump(prefix, writer);
     }
 
@@ -3244,11 +3210,6 @@ public class Launcher extends StatefulActivity<LauncherState>
         mWorkspace.setLauncherOverlay(overlay);
     }
 
-    public boolean setLauncherCallbacks(LauncherCallbacks callbacks) {
-        mLauncherCallbacks = callbacks;
-        return true;
-    }
-
     /**
      * Persistent callback which notifies when an activity launch is deferred because the activity
      * was not yet resumed.

src/com/android/launcher3/LauncherCallbacks.java

@@ -1,46 +0,0 @@
-/*
- * Copyright (C) 2016 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.launcher3;
-
-import android.os.Bundle;
-
-import java.io.FileDescriptor;
-import java.io.PrintWriter;
-
-/**
- * LauncherCallbacks is an interface used to extend the Launcher activity. It includes many hooks
- * in order to add additional functionality. Some of these are very general, and give extending
- * classes the ability to react to Activity life-cycle or specific user interactions. Others
- * are more specific and relate to replacing parts of the application, for example, the search
- * interface or the wallpaper picker.
- */
-public interface LauncherCallbacks {
-
-    /*
-     * Activity life-cycle methods. These methods are triggered after
-     * the code in the corresponding Launcher method is executed.
-     */
-    void onCreate(Bundle savedInstanceState);
-    void dump(String prefix, FileDescriptor fd, PrintWriter w, String[] args);
-    void onHomeIntent(boolean internalStateHandled);
-
-    /**
-     * Starts a search with {@param initialQuery}. Return false if search was not started.
-     */
-    boolean startSearch(
-            String initialQuery, boolean selectInitialQuery, Bundle appSearchData);
-}

src_plugins/com/android/systemui/plugins/shared/LauncherOverlayManager.java

@@ -41,10 +41,6 @@ public interface LauncherOverlayManager extends Application.ActivityLifecycleCal
 
     default void hideOverlay(int duration) { }
 
-    default boolean startSearch(byte[] config, Bundle extras) {
-        return false;
-    }
-
     @Override
     default void onActivityCreated(Activity activity, Bundle bundle) { }