Merge "Remove the unused assistant orb UI." into sc-v2-dev am: 525dec66cc

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16247451

Change-Id: I68660022a78c6372a2ddb8263b0fc00d64534fcd

9 files changed, 1 insertions, 772 deletions

diff --git a/packages/SystemUI/res/drawable/assist_orb_navbar_scrim.xml b/packages/SystemUI/res/drawable/assist_orb_navbar_scrim.xml
deleted file mode 100644
index 52ed76dd236f..000000000000
--- a/packages/SystemUI/res/drawable/assist_orb_navbar_scrim.xml
+++ /dev/null
@@ -1,25 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-
-<!--
-  ~ Copyright (C) 2014 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
-  -->
-
-<shape xmlns:android="http://schemas.android.com/apk/res/android">
-    <gradient
-            android:type="linear"
-            android:angle="90"
-            android:startColor="#33000000"
-            android:endColor="#00000000" />
-</shape>
\ No newline at end of file
diff --git a/packages/SystemUI/res/drawable/assist_orb_scrim.xml b/packages/SystemUI/res/drawable/assist_orb_scrim.xml
deleted file mode 100644
index bbb2617db4a0..000000000000
--- a/packages/SystemUI/res/drawable/assist_orb_scrim.xml
+++ /dev/null
@@ -1,25 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-
-<!--
-  ~ Copyright (C) 2014 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
-  -->
-
-<shape xmlns:android="http://schemas.android.com/apk/res/android">
-    <gradient
-            android:type="linear"
-            android:angle="90"
-            android:startColor="#55000000"
-            android:endColor="#00000000" />
-</shape>
\ No newline at end of file
diff --git a/packages/SystemUI/res/layout/assist_orb.xml b/packages/SystemUI/res/layout/assist_orb.xml
deleted file mode 100644
index 0036ed6abaf1..000000000000
--- a/packages/SystemUI/res/layout/assist_orb.xml
+++ /dev/null
@@ -1,53 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-**
-** Copyright 2012, 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.
-*/
--->
-
-<!-- Extends FrameLayout -->
-<com.android.systemui.assist.AssistOrbContainer
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent">
-
-    <com.android.systemui.statusbar.AlphaOptimizedView
-        android:layout_width="match_parent"
-        android:layout_height="@dimen/assist_orb_scrim_height"
-        android:layout_gravity="bottom"
-        android:id="@+id/assist_orb_scrim"
-        android:background="@drawable/assist_orb_scrim"/>
-
-    <com.android.systemui.assist.AssistOrbView
-        android:id="@+id/assist_orb"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent">
-
-        <ImageView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:id="@+id/search_logo"/>
-    </com.android.systemui.assist.AssistOrbView>
-
-    <com.android.systemui.statusbar.AlphaOptimizedView
-        android:id="@+id/assist_orb_navbar_scrim"
-        android:layout_height="@dimen/assist_orb_navbar_scrim_height"
-        android:layout_width="match_parent"
-        android:layout_gravity="bottom"
-        android:elevation="50dp"
-        android:outlineProvider="none"
-        android:background="@drawable/assist_orb_navbar_scrim"/>
-
-</com.android.systemui.assist.AssistOrbContainer>
\ No newline at end of file
diff --git a/packages/SystemUI/res/values/colors.xml b/packages/SystemUI/res/values/colors.xml
index 141b97977dab..8a3bacae9243 100644
--- a/packages/SystemUI/res/values/colors.xml
+++ b/packages/SystemUI/res/values/colors.xml
@@ -87,8 +87,6 @@
 
     <color name="notification_section_clear_all_btn_color">@color/GM2_grey_700</color>
 
-    <color name="assist_orb_color">#ffffff</color>
-
     <color name="keyguard_user_switcher_background_gradient_color">#77000000</color>
 
     <!-- The color of the navigation bar icons. Need to be in sync with ic_sysbar_* -->
diff --git a/packages/SystemUI/res/values/dimens.xml b/packages/SystemUI/res/values/dimens.xml
index 38be0932070f..2afbe8c648be 100644
--- a/packages/SystemUI/res/values/dimens.xml
+++ b/packages/SystemUI/res/values/dimens.xml
@@ -678,25 +678,6 @@
          from Keyguard. -->
     <dimen name="go_to_full_shade_appearing_translation">200dp</dimen>
 
-    <!-- The diameter of the search panel circle. -->
-    <dimen name="assist_orb_size">144dp</dimen>
-
-    <!-- The margin to the edge of the screen from where the orb starts to appear -->
-    <dimen name="assist_orb_base_margin">22dp</dimen>
-
-    <!-- The amount the orb translates when appearing -->
-    <dimen name="assist_orb_travel_distance">26dp</dimen>
-
-    <!-- The elevation of the orb -->
-    <dimen name="assist_orb_elevation">12dp</dimen>
-
-    <!-- The height of the scrim behind the orb. -->
-    <dimen name="assist_orb_scrim_height">250dp</dimen>
-
-    <!-- The height of the scrim behind the search panel circle. Should be navigation_bar_height
-         + 8dp. -->
-    <dimen name="assist_orb_navbar_scrim_height">56dp</dimen>
-
     <!-- The width/height of the keyguard bottom area icon view on keyguard. -->
     <dimen name="keyguard_affordance_height">48dp</dimen>
     <dimen name="keyguard_affordance_width">48dp</dimen>
diff --git a/packages/SystemUI/src/com/android/systemui/assist/AssistManager.java b/packages/SystemUI/src/com/android/systemui/assist/AssistManager.java
index b1197e6aa6f5..5e44c56d36c6 100644
--- a/packages/SystemUI/src/com/android/systemui/assist/AssistManager.java
+++ b/packages/SystemUI/src/com/android/systemui/assist/AssistManager.java
@@ -7,7 +7,6 @@ import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_A
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.app.ActivityManager;
 import android.app.ActivityOptions;
 import android.app.SearchManager;
 import android.content.ActivityNotFoundException;
@@ -27,7 +26,6 @@ import android.util.Log;
 
 import com.android.internal.app.AssistUtils;
 import com.android.internal.app.IVoiceInteractionSessionListener;
-import com.android.internal.app.IVoiceInteractionSessionShowCallback;
 import com.android.internal.logging.MetricsLogger;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.keyguard.KeyguardUpdateMonitor;
@@ -37,7 +35,6 @@ import com.android.systemui.dagger.SysUISingleton;
 import com.android.systemui.model.SysUiState;
 import com.android.systemui.recents.OverviewProxyService;
 import com.android.systemui.statusbar.CommandQueue;
-import com.android.systemui.statusbar.policy.ConfigurationController;
 import com.android.systemui.statusbar.policy.DeviceProvisionedController;
 
 import javax.inject.Inject;
@@ -124,23 +121,8 @@ public class AssistManager {
 
     private final DeviceProvisionedController mDeviceProvisionedController;
     private final CommandQueue mCommandQueue;
-    private final AssistOrbController mOrbController;
     protected final AssistUtils mAssistUtils;
 
-    private IVoiceInteractionSessionShowCallback mShowCallback =
-            new IVoiceInteractionSessionShowCallback.Stub() {
-
-                @Override
-                public void onFailed() throws RemoteException {
-                    mOrbController.postHide();
-                }
-
-                @Override
-                public void onShown() throws RemoteException {
-                    mOrbController.postHide();
-                }
-            };
-
     @Inject
     public AssistManager(
             DeviceProvisionedController controller,
@@ -149,7 +131,6 @@ public class AssistManager {
             CommandQueue commandQueue,
             PhoneStateMonitor phoneStateMonitor,
             OverviewProxyService overviewProxyService,
-            ConfigurationController configurationController,
             Lazy<SysUiState> sysUiState,
             DefaultUiController defaultUiController,
             AssistLogger assistLogger) {
@@ -161,8 +142,6 @@ public class AssistManager {
         mPhoneStateMonitor = phoneStateMonitor;
         mAssistLogger = assistLogger;
 
-        mOrbController = new AssistOrbController(configurationController, context);
-
         registerVoiceInteractionSessionListener();
 
         mUiController = defaultUiController;
@@ -223,10 +202,6 @@ public class AssistManager {
                 });
     }
 
-    protected boolean shouldShowOrb() {
-        return !ActivityManager.isLowRamDeviceStatic();
-    }
-
     public void startAssist(Bundle args) {
         final ComponentName assistComponent = getAssistInfo();
         if (assistComponent == null) {
@@ -234,10 +209,6 @@ public class AssistManager {
         }
 
         final boolean isService = assistComponent.equals(getVoiceInteractorComponentName());
-        if (!isService || (!isVoiceSessionRunning() && shouldShowOrb())) {
-            mOrbController.showOrb(assistComponent, isService);
-            mOrbController.postHideDelayed(isService ? TIMEOUT_SERVICE : TIMEOUT_ACTIVITY);
-        }
 
         if (args == null) {
             args = new Bundle();
@@ -329,7 +300,7 @@ public class AssistManager {
 
     private void startVoiceInteractor(Bundle args) {
         mAssistUtils.showSessionForActiveService(args,
-                VoiceInteractionSession.SHOW_SOURCE_ASSIST_GESTURE, mShowCallback, null);
+                VoiceInteractionSession.SHOW_SOURCE_ASSIST_GESTURE, null, null);
     }
 
     public void launchVoiceAssistFromKeyguard() {
diff --git a/packages/SystemUI/src/com/android/systemui/assist/AssistOrbContainer.java b/packages/SystemUI/src/com/android/systemui/assist/AssistOrbContainer.java
deleted file mode 100644
index 95b9e81a0b14..000000000000
--- a/packages/SystemUI/src/com/android/systemui/assist/AssistOrbContainer.java
+++ /dev/null
@@ -1,157 +0,0 @@
-/*
- * Copyright (C) 2015 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.systemui.assist;
-
-import android.annotation.Nullable;
-import android.content.Context;
-import android.util.AttributeSet;
-import android.view.View;
-import android.widget.FrameLayout;
-
-import com.android.systemui.R;
-import com.android.systemui.animation.Interpolators;
-
-public class AssistOrbContainer extends FrameLayout {
-
-    private static final long EXIT_START_DELAY = 150;
-
-    private View mScrim;
-    private View mNavbarScrim;
-    private AssistOrbView mOrb;
-
-    private boolean mAnimatingOut;
-
-    public AssistOrbContainer(Context context) {
-        this(context, null);
-    }
-
-    public AssistOrbContainer(Context context, @Nullable AttributeSet attrs) {
-        this(context, attrs, 0);
-    }
-
-    public AssistOrbContainer(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
-        super(context, attrs, defStyleAttr);
-    }
-
-    @Override
-    protected void onFinishInflate() {
-        super.onFinishInflate();
-        mScrim = findViewById(R.id.assist_orb_scrim);
-        mNavbarScrim = findViewById(R.id.assist_orb_navbar_scrim);
-        mOrb = (AssistOrbView) findViewById(R.id.assist_orb);
-    }
-
-    public void show(final boolean show, boolean animate, Runnable onDone) {
-        if (show) {
-            if (getVisibility() != View.VISIBLE) {
-                setVisibility(View.VISIBLE);
-                if (animate) {
-                    startEnterAnimation(onDone);
-                } else {
-                    reset();
-                    if (onDone != null) {
-                        onDone.run();
-                    }
-                }
-            }
-        } else {
-            if (animate) {
-                startExitAnimation(new Runnable() {
-                    @Override
-                    public void run() {
-                        mAnimatingOut = false;
-                        setVisibility(View.GONE);
-                        if (onDone != null) {
-                            onDone.run();
-                        }
-                    }
-                });
-            } else {
-                setVisibility(View.GONE);
-                if (onDone != null) {
-                    onDone.run();
-                }
-            }
-        }
-    }
-
-    private void reset() {
-        mAnimatingOut = false;
-        mOrb.reset();
-        mScrim.setAlpha(1f);
-        mNavbarScrim.setAlpha(1f);
-    }
-
-    private void startEnterAnimation(Runnable onDone) {
-        if (mAnimatingOut) {
-            return;
-        }
-        mOrb.startEnterAnimation();
-        mScrim.setAlpha(0f);
-        mNavbarScrim.setAlpha(0f);
-        post(new Runnable() {
-            @Override
-            public void run() {
-                mScrim.animate()
-                        .alpha(1f)
-                        .setDuration(300)
-                        .setStartDelay(0)
-                        .setInterpolator(Interpolators.LINEAR_OUT_SLOW_IN);
-                mNavbarScrim.animate()
-                        .alpha(1f)
-                        .setDuration(300)
-                        .setStartDelay(0)
-                        .setInterpolator(Interpolators.LINEAR_OUT_SLOW_IN)
-                        .withEndAction(onDone);
-            }
-        });
-    }
-
-    private void startExitAnimation(final Runnable endRunnable) {
-        if (mAnimatingOut) {
-            if (endRunnable != null) {
-                endRunnable.run();
-            }
-            return;
-        }
-        mAnimatingOut = true;
-        mOrb.startExitAnimation(EXIT_START_DELAY);
-        mScrim.animate()
-                .alpha(0f)
-                .setDuration(250)
-                .setStartDelay(EXIT_START_DELAY)
-                .setInterpolator(Interpolators.FAST_OUT_SLOW_IN);
-        mNavbarScrim.animate()
-                .alpha(0f)
-                .setDuration(250)
-                .setStartDelay(EXIT_START_DELAY)
-                .setInterpolator(Interpolators.FAST_OUT_SLOW_IN)
-                .withEndAction(endRunnable);
-    }
-
-    /**
-     * Whether the panel is showing, or, if it's animating, whether it will be
-     * when the animation is done.
-     */
-    public boolean isShowing() {
-        return getVisibility() == View.VISIBLE && !mAnimatingOut;
-    }
-
-    public AssistOrbView getOrb() {
-        return mOrb;
-    }
-}
diff --git a/packages/SystemUI/src/com/android/systemui/assist/AssistOrbController.java b/packages/SystemUI/src/com/android/systemui/assist/AssistOrbController.java
deleted file mode 100644
index 408201558a9b..000000000000
--- a/packages/SystemUI/src/com/android/systemui/assist/AssistOrbController.java
+++ /dev/null
@@ -1,182 +0,0 @@
-/*
- * Copyright (C) 2021 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.systemui.assist;
-
-import android.annotation.NonNull;
-import android.content.ComponentName;
-import android.content.Context;
-import android.content.pm.ActivityInfo;
-import android.content.pm.PackageManager;
-import android.content.res.Configuration;
-import android.content.res.Resources;
-import android.graphics.PixelFormat;
-import android.os.Binder;
-import android.os.Bundle;
-import android.util.Log;
-import android.view.Gravity;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.view.WindowManager;
-import android.widget.ImageView;
-
-import com.android.settingslib.applications.InterestingConfigChanges;
-import com.android.systemui.R;
-import com.android.systemui.statusbar.policy.ConfigurationController;
-
-/**
- * AssistOrbController controls the showing and hiding of the assistant orb.
- */
-public class AssistOrbController {
-    private static final String ASSIST_ICON_METADATA_NAME =
-            "com.android.systemui.action_assist_icon";
-    private static final String TAG = "AssistOrbController";
-    private static final boolean VERBOSE = false;
-
-    private final InterestingConfigChanges mInterestingConfigChanges;
-    private AssistOrbContainer mView;
-    private final Context mContext;
-    private final WindowManager mWindowManager;
-
-    private Runnable mHideRunnable = new Runnable() {
-        @Override
-        public void run() {
-            mView.removeCallbacks(this);
-            mView.show(false /* show */, true /* animate */, () -> {
-                if (mView.isAttachedToWindow()) {
-                    mWindowManager.removeView(mView);
-                }
-            });
-        }
-    };
-
-    private ConfigurationController.ConfigurationListener mConfigurationListener =
-            new ConfigurationController.ConfigurationListener() {
-                @Override
-                public void onConfigChanged(Configuration newConfig) {
-                    if (!mInterestingConfigChanges.applyNewConfig(mContext.getResources())) {
-                        return;
-                    }
-                    boolean visible = false;
-                    if (mView != null) {
-                        visible = mView.isShowing();
-                        if (mView.isAttachedToWindow()) {
-                            mWindowManager.removeView(mView);
-                        }
-                    }
-
-                    if (visible) {
-                        showOrb(false);
-                    }
-                }
-            };
-
-    AssistOrbController(ConfigurationController configurationController, Context context) {
-        mContext = context;
-        mWindowManager =  mContext.getSystemService(WindowManager.class);
-        mInterestingConfigChanges = new InterestingConfigChanges(ActivityInfo.CONFIG_ORIENTATION
-                | ActivityInfo.CONFIG_LOCALE | ActivityInfo.CONFIG_UI_MODE
-                | ActivityInfo.CONFIG_SCREEN_LAYOUT | ActivityInfo.CONFIG_ASSETS_PATHS);
-
-        configurationController.addCallback(mConfigurationListener);
-        mConfigurationListener.onConfigChanged(context.getResources().getConfiguration());
-    }
-
-    public void postHide() {
-        mView.post(mHideRunnable);
-    }
-
-    public void postHideDelayed(long delayMs) {
-        mView.postDelayed(mHideRunnable, delayMs);
-    }
-
-    private void showOrb(boolean animated) {
-        if (mView == null) {
-            mView = (AssistOrbContainer) LayoutInflater.from(mContext).inflate(
-                    R.layout.assist_orb, null);
-            mView.setVisibility(View.GONE);
-            mView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
-                    | View.SYSTEM_UI_FLAG_LAYOUT_STABLE
-                    | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION);
-        }
-        if (!mView.isAttachedToWindow()) {
-            WindowManager.LayoutParams params = getLayoutParams();
-            mWindowManager.addView(mView, params);
-        }
-        mView.show(true, animated, null);
-    }
-
-    private WindowManager.LayoutParams getLayoutParams() {
-        WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
-                ViewGroup.LayoutParams.MATCH_PARENT,
-                mContext.getResources().getDimensionPixelSize(R.dimen.assist_orb_scrim_height),
-                WindowManager.LayoutParams.TYPE_VOICE_INTERACTION_STARTING,
-                WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
-                        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
-                        | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE,
-                PixelFormat.TRANSLUCENT);
-        lp.token = new Binder();
-        lp.gravity = Gravity.BOTTOM | Gravity.START;
-        lp.setTitle("AssistPreviewPanel");
-        lp.softInputMode = WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED
-                | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_NOTHING;
-        return lp;
-    }
-
-    public void showOrb(@NonNull ComponentName assistComponent, boolean isService) {
-        showOrb(true);
-        maybeSwapSearchIcon(assistComponent, isService);
-    }
-
-    private void maybeSwapSearchIcon(@NonNull ComponentName assistComponent, boolean isService) {
-        replaceDrawable(mView.getOrb().getLogo(), assistComponent, ASSIST_ICON_METADATA_NAME,
-                isService);
-    }
-
-    public void replaceDrawable(ImageView v, ComponentName component, String name,
-            boolean isService) {
-        if (component != null) {
-            try {
-                PackageManager packageManager = mContext.getPackageManager();
-                // Look for the search icon specified in the activity meta-data
-                Bundle metaData = isService
-                        ? packageManager.getServiceInfo(
-                        component, PackageManager.GET_META_DATA).metaData
-                        : packageManager.getActivityInfo(
-                                component, PackageManager.GET_META_DATA).metaData;
-                if (metaData != null) {
-                    int iconResId = metaData.getInt(name);
-                    if (iconResId != 0) {
-                        Resources res = packageManager.getResourcesForApplication(
-                                component.getPackageName());
-                        v.setImageDrawable(res.getDrawable(iconResId));
-                        return;
-                    }
-                }
-            } catch (PackageManager.NameNotFoundException e) {
-                if (VERBOSE) {
-                    Log.v(TAG, "Assistant component "
-                            + component.flattenToShortString() + " not found");
-                }
-            } catch (Resources.NotFoundException nfe) {
-                Log.w(TAG, "Failed to swap drawable from "
-                        + component.flattenToShortString(), nfe);
-            }
-        }
-        v.setImageDrawable(null);
-    }
-}
diff --git a/packages/SystemUI/src/com/android/systemui/assist/AssistOrbView.java b/packages/SystemUI/src/com/android/systemui/assist/AssistOrbView.java
deleted file mode 100644
index 16d9c84c8734..000000000000
--- a/packages/SystemUI/src/com/android/systemui/assist/AssistOrbView.java
+++ /dev/null
@@ -1,279 +0,0 @@
-/*
- * Copyright (C) 2014 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.systemui.assist;
-
-import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
-import android.animation.ValueAnimator;
-import android.content.Context;
-import android.graphics.Canvas;
-import android.graphics.Outline;
-import android.graphics.Paint;
-import android.graphics.Rect;
-import android.util.AttributeSet;
-import android.view.View;
-import android.view.ViewOutlineProvider;
-import android.view.animation.Interpolator;
-import android.view.animation.OvershootInterpolator;
-import android.widget.FrameLayout;
-import android.widget.ImageView;
-
-import com.android.systemui.R;
-import com.android.systemui.animation.Interpolators;
-
-public class AssistOrbView extends FrameLayout {
-
-    private final int mCircleMinSize;
-    private final int mBaseMargin;
-    private final int mStaticOffset;
-    private final Paint mBackgroundPaint = new Paint();
-    private final Rect mCircleRect = new Rect();
-    private final Rect mStaticRect = new Rect();
-    private final Interpolator mOvershootInterpolator = new OvershootInterpolator();
-
-    private boolean mClipToOutline;
-    private final int mMaxElevation;
-    private float mOutlineAlpha;
-    private float mOffset;
-    private float mCircleSize;
-    private ImageView mLogo;
-    private float mCircleAnimationEndValue;
-
-    private ValueAnimator mOffsetAnimator;
-    private ValueAnimator mCircleAnimator;
-
-    private ValueAnimator.AnimatorUpdateListener mCircleUpdateListener
-            = new ValueAnimator.AnimatorUpdateListener() {
-        @Override
-        public void onAnimationUpdate(ValueAnimator animation) {
-            applyCircleSize((float) animation.getAnimatedValue());
-            updateElevation();
-        }
-    };
-    private AnimatorListenerAdapter mClearAnimatorListener = new AnimatorListenerAdapter() {
-        @Override
-        public void onAnimationEnd(Animator animation) {
-            mCircleAnimator = null;
-        }
-    };
-    private ValueAnimator.AnimatorUpdateListener mOffsetUpdateListener
-            = new ValueAnimator.AnimatorUpdateListener() {
-        @Override
-        public void onAnimationUpdate(ValueAnimator animation) {
-            mOffset = (float) animation.getAnimatedValue();
-            updateLayout();
-        }
-    };
-
-
-    public AssistOrbView(Context context) {
-        this(context, null);
-    }
-
-    public AssistOrbView(Context context, AttributeSet attrs) {
-        this(context, attrs, 0);
-    }
-
-    public AssistOrbView(Context context, AttributeSet attrs, int defStyleAttr) {
-        this(context, attrs, defStyleAttr, 0);
-    }
-
-    public AssistOrbView(Context context, AttributeSet attrs, int defStyleAttr,
-            int defStyleRes) {
-        super(context, attrs, defStyleAttr, defStyleRes);
-        setOutlineProvider(new ViewOutlineProvider() {
-            @Override
-            public void getOutline(View view, Outline outline) {
-                if (mCircleSize > 0.0f) {
-                    outline.setOval(mCircleRect);
-                } else {
-                    outline.setEmpty();
-                }
-                outline.setAlpha(mOutlineAlpha);
-            }
-        });
-        setWillNotDraw(false);
-        mCircleMinSize = context.getResources().getDimensionPixelSize(
-                R.dimen.assist_orb_size);
-        mBaseMargin = context.getResources().getDimensionPixelSize(
-                R.dimen.assist_orb_base_margin);
-        mStaticOffset = context.getResources().getDimensionPixelSize(
-                R.dimen.assist_orb_travel_distance);
-        mMaxElevation = context.getResources().getDimensionPixelSize(
-                R.dimen.assist_orb_elevation);
-        mBackgroundPaint.setAntiAlias(true);
-        mBackgroundPaint.setColor(getResources().getColor(R.color.assist_orb_color));
-    }
-
-    public ImageView getLogo() {
-        return mLogo;
-    }
-
-    @Override
-    protected void onDraw(Canvas canvas) {
-        super.onDraw(canvas);
-        drawBackground(canvas);
-    }
-
-    private void drawBackground(Canvas canvas) {
-        canvas.drawCircle(mCircleRect.centerX(), mCircleRect.centerY(), mCircleSize / 2,
-                mBackgroundPaint);
-    }
-
-    @Override
-    protected void onFinishInflate() {
-        super.onFinishInflate();
-        mLogo = findViewById(R.id.search_logo);
-    }
-
-    @Override
-    protected void onLayout(boolean changed, int l, int t, int r, int b) {
-        mLogo.layout(0, 0, mLogo.getMeasuredWidth(), mLogo.getMeasuredHeight());
-        if (changed) {
-            updateCircleRect(mStaticRect, mStaticOffset, true);
-        }
-    }
-
-    public void animateCircleSize(float circleSize, long duration,
-            long startDelay, Interpolator interpolator) {
-        if (circleSize == mCircleAnimationEndValue) {
-            return;
-        }
-        if (mCircleAnimator != null) {
-            mCircleAnimator.cancel();
-        }
-        mCircleAnimator = ValueAnimator.ofFloat(mCircleSize, circleSize);
-        mCircleAnimator.addUpdateListener(mCircleUpdateListener);
-        mCircleAnimator.addListener(mClearAnimatorListener);
-        mCircleAnimator.setInterpolator(interpolator);
-        mCircleAnimator.setDuration(duration);
-        mCircleAnimator.setStartDelay(startDelay);
-        mCircleAnimator.start();
-        mCircleAnimationEndValue = circleSize;
-    }
-
-    private void applyCircleSize(float circleSize) {
-        mCircleSize = circleSize;
-        updateLayout();
-    }
-
-    private void updateElevation() {
-        float t = (mStaticOffset - mOffset) / (float) mStaticOffset;
-        t = 1.0f - Math.max(t, 0.0f);
-        float offset = t * mMaxElevation;
-        setElevation(offset);
-    }
-
-    /**
-     * Animates the offset to the edge of the screen.
-     *
-     * @param offset The offset to apply.
-     * @param startDelay The desired start delay if animated.
-     *
-     * @param interpolator The desired interpolator if animated. If null,
-     *                     a default interpolator will be taken designed for appearing or
-     *                     disappearing.
-     */
-    private void animateOffset(float offset, long duration, long startDelay,
-            Interpolator interpolator) {
-        if (mOffsetAnimator != null) {
-            mOffsetAnimator.removeAllListeners();
-            mOffsetAnimator.cancel();
-        }
-        mOffsetAnimator = ValueAnimator.ofFloat(mOffset, offset);
-        mOffsetAnimator.addUpdateListener(mOffsetUpdateListener);
-        mOffsetAnimator.addListener(new AnimatorListenerAdapter() {
-            @Override
-            public void onAnimationEnd(Animator animation) {
-                mOffsetAnimator = null;
-            }
-        });
-        mOffsetAnimator.setInterpolator(interpolator);
-        mOffsetAnimator.setStartDelay(startDelay);
-        mOffsetAnimator.setDuration(duration);
-        mOffsetAnimator.start();
-    }
-
-    private void updateLayout() {
-        updateCircleRect();
-        updateLogo();
-        invalidateOutline();
-        invalidate();
-        updateClipping();
-    }
-
-    private void updateClipping() {
-        boolean clip = mCircleSize < mCircleMinSize;
-        if (clip != mClipToOutline) {
-            setClipToOutline(clip);
-            mClipToOutline = clip;
-        }
-    }
-
-    private void updateLogo() {
-        float translationX = (mCircleRect.left + mCircleRect.right) / 2.0f - mLogo.getWidth() / 2.0f;
-        float translationY = (mCircleRect.top + mCircleRect.bottom) / 2.0f
-                - mLogo.getHeight() / 2.0f - mCircleMinSize / 7f;
-        float t = (mStaticOffset - mOffset) / (float) mStaticOffset;
-        translationY += t * mStaticOffset * 0.1f;
-        float alpha = 1.0f-t;
-        alpha = Math.max((alpha - 0.5f) * 2.0f, 0);
-        mLogo.setImageAlpha((int) (alpha * 255));
-        mLogo.setTranslationX(translationX);
-        mLogo.setTranslationY(translationY);
-    }
-
-    private void updateCircleRect() {
-        updateCircleRect(mCircleRect, mOffset, false);
-    }
-
-    private void updateCircleRect(Rect rect, float offset, boolean useStaticSize) {
-        int left, top;
-        float circleSize = useStaticSize ? mCircleMinSize : mCircleSize;
-        left = (int) (getWidth() - circleSize) / 2;
-        top = (int) (getHeight() - circleSize / 2 - mBaseMargin - offset);
-        rect.set(left, top, (int) (left + circleSize), (int) (top + circleSize));
-    }
-
-    public void startExitAnimation(long delay) {
-        animateCircleSize(0, 200, delay, Interpolators.FAST_OUT_LINEAR_IN);
-        animateOffset(0, 200, delay, Interpolators.FAST_OUT_LINEAR_IN);
-    }
-
-    public void startEnterAnimation() {
-        applyCircleSize(0);
-        post(new Runnable() {
-            @Override
-            public void run() {
-                animateCircleSize(mCircleMinSize, 300, 0 /* delay */, mOvershootInterpolator);
-                animateOffset(mStaticOffset, 400, 0 /* delay */, Interpolators.LINEAR_OUT_SLOW_IN);
-            }
-        });
-    }
-
-    public void reset() {
-        mClipToOutline = false;
-        mBackgroundPaint.setAlpha(255);
-        mOutlineAlpha = 1.0f;
-    }
-
-    @Override
-    public boolean hasOverlappingRendering() {
-        // not really true but it's ok during an animation, as it's never permanent
-        return false;
-    }
-}