EditTextVariations: create a IME focusable overlay for test am: f134ea3

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/inputmethods/LatinIME/+/17759925

Change-Id: I20f87064cd0f846bff7214601233a4d2d6bf8f32
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

Author: Ming-Shin Lu

tools/EditTextVariations/AndroidManifest.xml

@@ -19,6 +19,7 @@
      android:versionName="0.67"
      android:versionCode="67">
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
+    <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
     <supports-screens android:resizeable="true"/>
     <uses-sdk android:targetSdkVersion="27"
          android:minSdkVersion="11"/>

tools/EditTextVariations/res/values/strings.xml

@@ -35,6 +35,10 @@
     <string name="menu_softinput_hidden" translatable="false">Keyboard Hidden</string>
     <!-- The menu title to send a notification to test direct reply. [CHAR LIMIT=20] -->
     <string name="menu_direct_reply">Direct Reply</string>
+    <!-- The menu title to show a application overlay with NOT_FOCUSABLE | ALT_FOCUSABLE_IM. [CHAR LIMIT=26] -->
+    <string name="menu_show_ime_focusable_overlay">Show IME focusable overlay</string>
+    <!-- The menu title to hide a application overlay with NOT_FOCUSABLE | ALT_FOCUSABLE_IM. [CHAR LIMIT=26] -->
+    <string name="menu_hide_ime_focusable_overlay">Hide IME focusable overlay</string>
     <!-- The example of custom action key label. Must be short to fit on key. 5 chars or less is preferable.  [CHAR LIMIT=7] -->
     <string name="custom_action_label">Custom</string>
 </resources>

tools/EditTextVariations/src/com/android/inputmethod/tools/edittextvariations/EditTextVariations.java

@@ -16,20 +16,31 @@
 
 package com.android.inputmethod.tools.edittextvariations;
 
+import static android.graphics.Color.BLUE;
+import static android.view.Gravity.LEFT;
+import static android.view.Gravity.TOP;
+import static android.view.WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM;
+import static android.view.WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE;
+import static android.view.WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
+import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY;
+
 import android.Manifest;
 import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.app.AlertDialog;
+import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
+import android.graphics.Rect;
 import android.os.Build;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
+import android.provider.Settings;
 import android.text.InputType;
 import android.text.TextUtils;
 import android.util.Log;
@@ -65,6 +76,7 @@ public final class EditTextVariations extends Activity implements TextView.OnEdi
     private static final int MENU_SOFTINPUT_VISIBLE = 4;
     private static final int MENU_SOFTINPUT_HIDDEN = 5;
     private static final int MENU_DIRECT_REPLY = 6;
+    private static final int MENU_TOGGLE_IME_FOCUSABLE_OVERLAY = 7;
     private static final String PREF_THEME = "theme";
     private static final String PREF_NAVIGATE = "navigate";
     private static final String PREF_SOFTINPUT = "softinput";
@@ -85,6 +97,9 @@ public final class EditTextVariations extends Activity implements TextView.OnEdi
 
     private ArrayAdapter<String> mAutoCompleteAdapter;
 
+    private TextView mOverlayTextView;
+    private boolean mShowOverlay = true;
+
     /** Called when the activity is first created. */
     @SuppressLint("SetJavaScriptEnabled")
     @Override
@@ -171,9 +186,12 @@ public boolean onCreateOptionsMenu(final Menu menu) {
         if (NotificationUtils.DIRECT_REPLY_SUPPORTED) {
             menu.add(Menu.NONE, MENU_DIRECT_REPLY, 5, R.string.menu_direct_reply);
         }
+        menu.add(Menu.NONE, MENU_TOGGLE_IME_FOCUSABLE_OVERLAY, 6,
+                mShowOverlay ? getString(R.string.menu_show_ime_focusable_overlay)
+                        : getString(R.string.menu_hide_ime_focusable_overlay));
         try {
             final PackageInfo pinfo = getPackageManager().getPackageInfo(getPackageName(), 0);
-            menu.add(Menu.NONE, MENU_VERSION, 6,
+            menu.add(Menu.NONE, MENU_VERSION, 7,
                     getString(R.string.menu_version, pinfo.versionName))
                     .setEnabled(false);
         } catch (NameNotFoundException e) {
@@ -213,6 +231,16 @@ && checkSelfPermission(Manifest.permission.POST_NOTIFICATIONS) !=
             } else {
                 NotificationUtils.sendDirectReplyNotification(this);
             }
+        } else if (itemId == MENU_TOGGLE_IME_FOCUSABLE_OVERLAY) {
+            if (!Settings.canDrawOverlays(this)) {
+                Toast.makeText(this,
+                        "Not allowed to show overlay.\nCheck \"Settings > "
+                                + "Display over other apps\"", Toast.LENGTH_LONG).show();
+            } else {
+                toggleOverlayView(true /* needsIme */);
+                item.setTitle(mShowOverlay ? getString(R.string.menu_show_ime_focusable_overlay)
+                        : getString(R.string.menu_hide_ime_focusable_overlay));
+            }
         }
         return true;
     }
@@ -233,6 +261,14 @@ public void onRequestPermissionsResult(int requestCode, String[] permissions,
         }
     }
 
+    @Override
+    protected void onDestroy() {
+        if (mOverlayTextView != null) {
+            getWindowManager().removeView(mOverlayTextView);
+            mOverlayTextView = null;
+        }
+    }
+
     @Override
     public void onClick(final DialogInterface dialog, final int which) {
         saveTheme(ThemeItem.THEME_LIST.get(which));
@@ -515,4 +551,26 @@ private static boolean isNeedNotificationPermission() {
         }
         return false;
     }
+
+    private void toggleOverlayView(boolean needsIme) {
+        if (mOverlayTextView == null) {
+            Context overlayContext = createDisplayContext(getDisplay())
+                    .createWindowContext(TYPE_APPLICATION_OVERLAY, null /* options */);
+            int focusableFlags = FLAG_NOT_FOCUSABLE | (needsIme ? FLAG_ALT_FOCUSABLE_IM : 0);
+            final WindowManager.LayoutParams params = new WindowManager.LayoutParams(
+                    TYPE_APPLICATION_OVERLAY, FLAG_WATCH_OUTSIDE_TOUCH | focusableFlags);
+            final Rect windowBounds = getWindowManager().getCurrentWindowMetrics().getBounds();
+            params.width = windowBounds.width() / 3;
+            params.height = windowBounds.height() / 3;
+            params.gravity = TOP | LEFT;
+
+            mOverlayTextView = new TextView(overlayContext);
+            mOverlayTextView.setText("I'm an IME focusable overlay");
+            mOverlayTextView.setBackgroundColor(BLUE);
+            getWindowManager().addView(mOverlayTextView, params);
+        }
+        mOverlayTextView.setVisibility(mShowOverlay ? View.VISIBLE : View.GONE);
+        // Toggle the overlay visibility after the call.
+        mShowOverlay = !mShowOverlay;
+    }
 }