1 files changed, 150 insertions, 0 deletions
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarEduView.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarEduView.java
new file mode 100644
index 0000000000..8525427a64
--- /dev/null
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarEduView.java
@@ -0,0 +1,150 @@
+/*
+ * 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.launcher3.taskbar;
+
+import static com.android.launcher3.anim.Interpolators.AGGRESSIVE_EASE;
+
+import android.animation.PropertyValuesHolder;
+import android.content.Context;
+import android.graphics.Rect;
+import android.util.AttributeSet;
+import android.util.Pair;
+import android.view.View;
+import android.widget.Button;
+
+import com.android.launcher3.Insettable;
+import com.android.launcher3.R;
+import com.android.launcher3.views.AbstractSlideInView;
+
+/** Education view about the Taskbar. */
+public class TaskbarEduView extends AbstractSlideInView<TaskbarActivityContext>
+        implements Insettable {
+
+    private static final int DEFAULT_OPEN_DURATION = 500;
+    private static final int DEFAULT_CLOSE_DURATION = 200;
+
+    private final Rect mInsets = new Rect();
+
+    private Button mStartButton;
+    private Button mEndButton;
+    private TaskbarEduPagedView mPagedView;
+
+    public TaskbarEduView(Context context, AttributeSet attr) {
+        this(context, attr, 0);
+    }
+
+    public TaskbarEduView(Context context, AttributeSet attrs,
+            int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+    protected void init(TaskbarEduController.TaskbarEduCallbacks callbacks) {
+        if (mPagedView != null) {
+            mPagedView.setControllerCallbacks(callbacks);
+        }
+    }
+
+    @Override
+    protected void handleClose(boolean animate) {
+        handleClose(animate, DEFAULT_CLOSE_DURATION);
+    }
+
+    @Override
+    protected boolean isOfType(int type) {
+        return (type & TYPE_TASKBAR_EDUCATION_DIALOG) != 0;
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+        mContent = findViewById(R.id.edu_view);
+        mStartButton = findViewById(R.id.edu_start_button);
+        mEndButton = findViewById(R.id.edu_end_button);
+        mPagedView = findViewById(R.id.content);
+        mPagedView.setTaskbarEduView(this);
+    }
+
+    @Override
+    public void setInsets(Rect insets) {
+        mInsets.set(insets);
+        mContent.setPadding(mContent.getPaddingStart(),
+                mContent.getPaddingTop(), mContent.getPaddingEnd(), insets.bottom);
+    }
+
+    @Override
+    protected void attachToContainer() {
+        if (mColorScrim != null) {
+            getPopupContainer().addView(mColorScrim, 0);
+        }
+        getPopupContainer().addView(this, 1);
+    }
+
+    /** Show the Education flow. */
+    public void show() {
+        attachToContainer();
+        animateOpen();
+    }
+
+    @Override
+    protected Pair<View, String> getAccessibilityTarget() {
+        return Pair.create(mContent, mIsOpen ? getContext().getString(R.string.taskbar_edu_opened)
+                : getContext().getString(R.string.taskbar_edu_closed));
+    }
+
+    @Override
+    protected int getScrimColor(Context context) {
+        return context.getResources().getColor(R.color.widgets_picker_scrim);
+    }
+
+    @Override
+    protected void onLayout(boolean changed, int l, int t, int r, int b) {
+        int width = r - l;
+        int height = b - t;
+
+        // Lay out the content as center bottom aligned.
+        int contentWidth = mContent.getMeasuredWidth();
+        int contentLeft = (width - contentWidth - mInsets.left - mInsets.right) / 2 + mInsets.left;
+        mContent.layout(contentLeft, height - mContent.getMeasuredHeight(),
+                contentLeft + contentWidth, height);
+
+        setTranslationShift(mTranslationShift);
+    }
+
+    private void animateOpen() {
+        if (mIsOpen || mOpenCloseAnimator.isRunning()) {
+            return;
+        }
+        mIsOpen = true;
+        mOpenCloseAnimator.setValues(
+                PropertyValuesHolder.ofFloat(TRANSLATION_SHIFT, TRANSLATION_SHIFT_OPENED));
+        mOpenCloseAnimator.setInterpolator(AGGRESSIVE_EASE);
+        mOpenCloseAnimator.setDuration(DEFAULT_OPEN_DURATION).start();
+    }
+
+    void snapToPage(int page) {
+        mPagedView.snapToPage(page);
+    }
+
+    void updateStartButton(int textResId, OnClickListener onClickListener) {
+        mStartButton.setText(textResId);
+        mStartButton.setOnClickListener(onClickListener);
+    }
+
+    void updateEndButton(int textResId, OnClickListener onClickListener) {
+        mEndButton.setText(textResId);
+        mEndButton.setOnClickListener(onClickListener);
+    }
+}