Add sandbox mode to gesture tutorial settings.

Test: manual

Added a Sandbox mode tutorial fragment and controller. This fragment allows the user to try all the gesture commands and receive feedback, whether the gesture was successful or not.

Preview: https://drive.google.com/file/d/1Qmn71ZHMOrv2XjUngb6S4W5jOaBIvF1_/view?usp=sharing

Change-Id: I7d28ce25daa38fa6d05b18d43d02b77c1fc8a264

quickstep/res/values/strings.xml

@@ -149,6 +149,21 @@
     <!-- Feedback shown during interactive parts of Assistant gesture tutorial when the gesture doesn't go far enough. [CHAR LIMIT=100] -->
     <string name="assistant_gesture_feedback_swipe_not_long_enough" translatable="false">Try swiping further</string>
 
+    <!-- Title shown in sandbox mode part of gesture tutorial. [CHAR LIMIT=30] -->
+    <string name="sandbox_mode_title" translatable="false">Sandbox Mode</string>
+    <!-- Subtitle shown in sandbox mode part of gesture tutorial. [CHAR LIMIT=60] -->
+    <string name="sandbox_mode_subtitle" translatable="false">Try any navigation gesture</string>
+    <!-- Feedback shown in sandbox mode when the back gesture is successfully issued. [CHAR LIMIT=60] -->
+    <string name="sandbox_mode_back_gesture_feedback_successful" translatable="false">Back gesture successful</string>
+    <!-- Feedback shown in sandbox mode when the assistant gesture is a successfully issued. [CHAR LIMIT=60] -->
+    <string name="sandbox_mode_assistant_gesture_feedback_successful" translatable="false">Assistant gesture successful</string>
+    <!-- Feedback shown in sandbox mode when the home gesture is a successfully issued. [CHAR LIMIT=60] -->
+    <string name="sandbox_mode_home_gesture_feedback_successful" translatable="false">Home gesture successful</string>
+    <!-- Feedback shown in sandbox mode when the overview gesture is a successfully issued. [CHAR LIMIT=60] -->
+    <string name="sandbox_mode_overview_gesture_feedback_successful" translatable="false">Overview gesture successful</string>
+    <!-- Feedback shown in sandbox mode when the back gesture swipe is too far from the edge. [CHAR LIMIT=60] -->
+    <string name="sandbox_mode_back_gesture_feedback_swipe_too_far_from_edge" translatable="false">Make sure you swipe from the left/right edge of the screen</string>
+
     <!-- Title shown on the confirmation screen after successful gesture. [CHAR LIMIT=30] -->
     <string name="gesture_tutorial_confirm_title" translatable="false">All set</string>
     <!-- Button text shown on a button on the confirm screen to leave the tutorial. [CHAR LIMIT=14] -->

quickstep/src/com/android/quickstep/interaction/SandboxModeTutorialController.java

@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2020 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.quickstep.interaction;
+
+import android.graphics.PointF;
+import android.view.View;
+
+import androidx.annotation.Nullable;
+
+import com.android.launcher3.R;
+import com.android.quickstep.interaction.EdgeBackGestureHandler.BackGestureResult;
+import com.android.quickstep.interaction.NavBarGestureHandler.NavBarGestureResult;
+
+/** A {@link TutorialController} for the Sandbox Mode. */
+public class SandboxModeTutorialController extends SwipeUpGestureTutorialController {
+
+    SandboxModeTutorialController(SandboxModeTutorialFragment fragment, TutorialType tutorialType) {
+        super(fragment, tutorialType);
+    }
+
+    @Nullable
+    @Override
+    Integer getTitleStringId() {
+        return R.string.sandbox_mode_title;
+    }
+
+    @Nullable
+    @Override
+    Integer getSubtitleStringId() {
+        return R.string.sandbox_mode_subtitle;
+    }
+
+    @Nullable
+    @Override
+    Integer getActionButtonStringId() {
+        return R.string.gesture_tutorial_action_button_label_done;
+    }
+
+    @Override
+    void onActionButtonClicked(View button) {
+        mTutorialFragment.closeTutorial();
+    }
+
+    @Override
+    public void onBackGestureAttempted(BackGestureResult result) {
+        switch (result) {
+            case BACK_COMPLETED_FROM_LEFT:
+            case BACK_COMPLETED_FROM_RIGHT:
+                showRippleEffect(null);
+                showFeedback(R.string.sandbox_mode_back_gesture_feedback_successful);
+                break;
+            case BACK_CANCELLED_FROM_RIGHT:
+                showFeedback(R.string.back_gesture_feedback_cancelled_right_edge);
+                break;
+            case BACK_CANCELLED_FROM_LEFT:
+                showFeedback(R.string.back_gesture_feedback_cancelled_left_edge);
+                break;
+            case BACK_NOT_STARTED_TOO_FAR_FROM_EDGE:
+                showFeedback(R.string.sandbox_mode_back_gesture_feedback_swipe_too_far_from_edge);
+                break;
+        }
+    }
+
+    @Override
+    public void onNavBarGestureAttempted(NavBarGestureResult result, PointF finalVelocity) {
+        switch (result) {
+            case ASSISTANT_COMPLETED:
+                showRippleEffect(null);
+                showFeedback(R.string.sandbox_mode_assistant_gesture_feedback_successful);
+                break;
+            case HOME_GESTURE_COMPLETED:
+                animateFakeTaskViewHome(finalVelocity, () -> {
+                    showFeedback(R.string.sandbox_mode_home_gesture_feedback_successful);
+                });
+                break;
+            case OVERVIEW_GESTURE_COMPLETED:
+                fadeOutFakeTaskView(true, () -> {
+                    showFeedback(R.string.sandbox_mode_overview_gesture_feedback_successful);
+                });
+                break;
+            case HOME_OR_OVERVIEW_NOT_STARTED_WRONG_SWIPE_DIRECTION:
+            case HOME_OR_OVERVIEW_CANCELLED:
+            case HOME_NOT_STARTED_TOO_FAR_FROM_EDGE:
+            case OVERVIEW_NOT_STARTED_TOO_FAR_FROM_EDGE:
+                showFeedback(R.string.home_gesture_feedback_swipe_too_far_from_edge);
+                break;
+        }
+    }
+}

quickstep/src/com/android/quickstep/interaction/SandboxModeTutorialFragment.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2020 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.quickstep.interaction;
+
+import android.view.MotionEvent;
+import android.view.View;
+
+import com.android.quickstep.interaction.TutorialController.TutorialType;
+
+/** Shows the general navigation gesture sandbox environment. */
+public class SandboxModeTutorialFragment extends TutorialFragment {
+
+    @Override
+    TutorialController createController(TutorialType type) {
+        return new SandboxModeTutorialController(this, type);
+    }
+
+    @Override
+    Class<? extends TutorialController> getControllerClass() {
+        return SandboxModeTutorialController.class;
+    }
+
+    @Override
+    public boolean onTouch(View view, MotionEvent motionEvent) {
+        if (motionEvent.getAction() == MotionEvent.ACTION_DOWN && mTutorialController != null) {
+            mTutorialController.setRippleHotspot(motionEvent.getX(), motionEvent.getY());
+        }
+        return super.onTouch(view, motionEvent);
+    }
+}

quickstep/src/com/android/quickstep/interaction/TutorialController.java

@@ -213,7 +213,8 @@ abstract class TutorialController implements BackGestureAttemptCallback,
         return mTutorialType == TutorialType.BACK_NAVIGATION_COMPLETE
                 || mTutorialType == TutorialType.HOME_NAVIGATION_COMPLETE
                 || mTutorialType == TutorialType.OVERVIEW_NAVIGATION_COMPLETE
-                || mTutorialType == TutorialType.ASSISTANT_COMPLETE;
+                || mTutorialType == TutorialType.ASSISTANT_COMPLETE
+                || mTutorialType == TutorialType.SANDBOX_MODE;
     }
 
     /** Denotes the type of the tutorial. */
@@ -226,6 +227,7 @@ abstract class TutorialController implements BackGestureAttemptCallback,
         OVERVIEW_NAVIGATION,
         OVERVIEW_NAVIGATION_COMPLETE,
         ASSISTANT,
-        ASSISTANT_COMPLETE
+        ASSISTANT_COMPLETE,
+        SANDBOX_MODE
     }
 }

quickstep/src/com/android/quickstep/interaction/TutorialFragment.java

@@ -76,6 +76,8 @@ abstract class TutorialFragment extends Fragment implements OnTouchListener {
             case ASSISTANT:
             case ASSISTANT_COMPLETE:
                 return new AssistantGestureTutorialFragment();
+            case SANDBOX_MODE:
+                return new SandboxModeTutorialFragment();
             default:
                 Log.e(LOG_TAG, "Failed to find an appropriate fragment for " + tutorialType.name());
         }

src/com/android/launcher3/settings/DeveloperOptionsFragment.java

@@ -306,6 +306,15 @@ public class DeveloperOptionsFragment extends PreferenceFragmentCompat {
             return true;
         });
         sandboxCategory.addPreference(launchAssistantTutorialPreference);
+        Preference launchSandboxModeTutorialPreference = new Preference(context);
+        launchSandboxModeTutorialPreference.setKey("launchSandboxMode");
+        launchSandboxModeTutorialPreference.setTitle("Launch Sandbox Mode");
+        launchSandboxModeTutorialPreference.setSummary("Practice navigation gestures");
+        launchSandboxModeTutorialPreference.setOnPreferenceClickListener(preference -> {
+            startActivity(launchSandboxIntent.putExtra("tutorial_type", "SANDBOX_MODE"));
+            return true;
+        });
+        sandboxCategory.addPreference(launchSandboxModeTutorialPreference);
     }
 
     private String toName(String action) {