Merge tag 'LA.QSSI.13.0.r1-11700-qssi.0' into tachibana-mr1

"LA.QSSI.13.0.r1-11700-qssi.0"

Change-Id: I09c2644918adf810041ad17f6ff4931d1a604bdf

2 files changed, 95 insertions, 7 deletions

diff --git a/packages/SystemUI/res/values/strings.xml b/packages/SystemUI/res/values/strings.xml
index 09013b761ede..46ee7e99a6ca 100644
--- a/packages/SystemUI/res/values/strings.xml
+++ b/packages/SystemUI/res/values/strings.xml
@@ -2497,8 +2497,8 @@
     <string name="media_output_broadcast_last_update_error">Can\u2019t save.</string>
     <!-- The hint message when Broadcast code is less than 4 characters [CHAR LIMIT=60] -->
     <string name="media_output_broadcast_code_hint_no_less_than_min">Use at least 4 characters</string>
-    <!-- The hint message when Broadcast code is more than 16 characters [CHAR LIMIT=60] -->
-    <string name="media_output_broadcast_code_hint_no_more_than_max">Use fewer than 16 characters</string>
+    <!-- The hint message when Broadcast edit is more than 16/32 characters [CHAR LIMIT=60] -->
+    <string name="media_output_broadcast_edit_hint_no_more_than_max">Use fewer than <xliff:g id="length" example="16">%1$d</xliff:g> characters</string>
 
     <!-- Label for clip data when copying the build number off QS [CHAR LIMIT=NONE]-->
     <string name="build_number_clip_data_label">Build number</string>
diff --git a/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputBroadcastDialog.java b/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputBroadcastDialog.java
index a1b8992d2983..f9625ff579a1 100644
--- a/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputBroadcastDialog.java
+++ b/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputBroadcastDialog.java
@@ -20,6 +20,8 @@ import android.app.AlertDialog;
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.os.Bundle;
+import android.text.Editable;
+import android.text.TextWatcher;
 import android.text.method.HideReturnsTransformationMethod;
 import android.text.method.PasswordTransformationMethod;
 import android.util.Log;
@@ -34,6 +36,7 @@ import android.widget.TextView;
 
 import androidx.core.graphics.drawable.IconCompat;
 
+import com.android.internal.annotations.VisibleForTesting;
 import com.android.settingslib.qrcode.QrCodeGenerator;
 import com.android.systemui.R;
 import com.android.systemui.broadcast.BroadcastSender;
@@ -49,6 +52,17 @@ import com.google.zxing.WriterException;
 public class MediaOutputBroadcastDialog extends MediaOutputBaseDialog {
     private static final String TAG = "BroadcastDialog";
 
+    static final int METADATA_BROADCAST_NAME = 0;
+    static final int METADATA_BROADCAST_CODE = 1;
+
+    private static final int MAX_BROADCAST_INFO_UPDATE = 3;
+    @VisibleForTesting
+    static final int BROADCAST_CODE_MAX_LENGTH = 16;
+    @VisibleForTesting
+    static final int BROADCAST_CODE_MIN_LENGTH = 4;
+    @VisibleForTesting
+    static final int BROADCAST_NAME_MAX_LENGTH = 32;
+
     private ViewStub mBroadcastInfoArea;
     private ImageView mBroadcastQrCodeView;
     private ImageView mBroadcastNotify;
@@ -58,17 +72,89 @@ public class MediaOutputBroadcastDialog extends MediaOutputBaseDialog {
     private ImageView mBroadcastCodeEye;
     private Boolean mIsPasswordHide = true;
     private ImageView mBroadcastCodeEdit;
-    private AlertDialog mAlertDialog;
+    @VisibleForTesting
+    AlertDialog mAlertDialog;
     private TextView mBroadcastErrorMessage;
     private int mRetryCount = 0;
     private String mCurrentBroadcastName;
     private String mCurrentBroadcastCode;
     private boolean mIsStopbyUpdateBroadcastCode = false;
 
-    static final int METADATA_BROADCAST_NAME = 0;
-    static final int METADATA_BROADCAST_CODE = 1;
+    private TextWatcher mBroadcastCodeTextWatcher = new TextWatcher() {
+        @Override
+        public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+            // Do nothing
+        }
 
-    private static final int MAX_BROADCAST_INFO_UPDATE = 3;
+        @Override
+        public void onTextChanged(CharSequence s, int start, int before, int count) {
+            // Do nothing
+        }
+
+        @Override
+        public void afterTextChanged(Editable s) {
+            if (mAlertDialog == null || mBroadcastErrorMessage == null) {
+                return;
+            }
+            boolean breakBroadcastCodeRuleTextLengthLessThanMin =
+                    s.length() > 0 && s.length() < BROADCAST_CODE_MIN_LENGTH;
+            boolean breakBroadcastCodeRuleTextLengthMoreThanMax =
+                    s.length() > BROADCAST_CODE_MAX_LENGTH;
+            boolean breakRule = breakBroadcastCodeRuleTextLengthLessThanMin
+                    || breakBroadcastCodeRuleTextLengthMoreThanMax;
+
+            if (breakBroadcastCodeRuleTextLengthLessThanMin) {
+                mBroadcastErrorMessage.setText(
+                        R.string.media_output_broadcast_code_hint_no_less_than_min);
+            } else if (breakBroadcastCodeRuleTextLengthMoreThanMax) {
+                mBroadcastErrorMessage.setText(
+                        mContext.getResources().getString(
+                                R.string.media_output_broadcast_edit_hint_no_more_than_max,
+                                BROADCAST_CODE_MAX_LENGTH));
+            }
+
+            mBroadcastErrorMessage.setVisibility(breakRule ? View.VISIBLE : View.INVISIBLE);
+            Button positiveBtn = mAlertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
+            if (positiveBtn != null) {
+                positiveBtn.setEnabled(breakRule ? false : true);
+            }
+        }
+    };
+
+    private TextWatcher mBroadcastNameTextWatcher = new TextWatcher() {
+        @Override
+        public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+            // Do nothing
+        }
+
+        @Override
+        public void onTextChanged(CharSequence s, int start, int before, int count) {
+            // Do nothing
+        }
+
+        @Override
+        public void afterTextChanged(Editable s) {
+            if (mAlertDialog == null || mBroadcastErrorMessage == null) {
+                return;
+            }
+            boolean breakBroadcastNameRuleTextLengthMoreThanMax =
+                    s.length() > BROADCAST_NAME_MAX_LENGTH;
+            boolean breakRule = breakBroadcastNameRuleTextLengthMoreThanMax || (s.length() == 0);
+
+            if (breakBroadcastNameRuleTextLengthMoreThanMax) {
+                mBroadcastErrorMessage.setText(
+                        mContext.getResources().getString(
+                                R.string.media_output_broadcast_edit_hint_no_more_than_max,
+                                BROADCAST_NAME_MAX_LENGTH));
+            }
+            mBroadcastErrorMessage.setVisibility(
+                    breakBroadcastNameRuleTextLengthMoreThanMax ? View.VISIBLE : View.INVISIBLE);
+            Button positiveBtn = mAlertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
+            if (positiveBtn != null) {
+                positiveBtn.setEnabled(breakRule ? false : true);
+            }
+        }
+    };
 
     MediaOutputBroadcastDialog(Context context, boolean aboveStatusbar,
             BroadcastSender broadcastSender, MediaOutputController mediaOutputController) {
@@ -225,10 +311,12 @@ public class MediaOutputBroadcastDialog extends MediaOutputBaseDialog {
                 R.layout.media_output_broadcast_update_dialog, null);
         final EditText editText = layout.requireViewById(R.id.broadcast_edit_text);
         editText.setText(editString);
+        editText.addTextChangedListener(
+                isBroadcastCode ? mBroadcastCodeTextWatcher : mBroadcastNameTextWatcher);
         mBroadcastErrorMessage = layout.requireViewById(R.id.broadcast_error_message);
         mAlertDialog = new Builder(mContext)
                 .setTitle(isBroadcastCode ? R.string.media_output_broadcast_code
-                    : R.string.media_output_broadcast_name)
+                        : R.string.media_output_broadcast_name)
                 .setView(layout)
                 .setNegativeButton(android.R.string.cancel, null)
                 .setPositiveButton(R.string.media_output_broadcast_dialog_save,