Make HyperlinkPreference optionally look like a link.

Use this option in AutofillWalletPreferences. We can also use this to simplify BandwidthReductionPreferences (which is where this code was mostly copied from), but that's in the internal repo, so is a different CL.

BUG=446700

Review URL: https://codereview.chromium.org/853863002

Cr-Commit-Position: refs/heads/master@{#311783}

chrome/android/java/res/values/attrs.xml

@@ -11,6 +11,8 @@
     <declare-styleable name="HyperlinkPreference">
         <!-- The URL to load when the preference is clicked -->
         <attr name="url" format="string" />
+        <!-- True if the hyperlink should look like an <a> element. Default is false. -->
+        <attr name="imitateWebLink" format="boolean" />
     </declare-styleable>
 
     <declare-styleable name="ChromeSwitchPreference">
@@ -18,4 +20,4 @@
              case that the title is empty. -->
         <attr name="dontUseSummaryAsTitle" format="boolean" />
     </declare-styleable>
-</resources>
+</resources>
\ No newline at end of file

chrome/android/java/res/xml/autofill_wallet_preferences.xml

@@ -17,12 +17,10 @@
     <org.chromium.chrome.browser.preferences.TextMessagePreference
         android:title="@string/autofill_wallet_description" />
 
-    <!-- TODO(estade): Surprisingly, HyperlinkPreference does not actually look like a link.
-         We should either fix HyperlinkPreference or copy the technique used by
-         data_reduction_learn_more. -->
     <org.chromium.chrome.browser.preferences.HyperlinkPreference
         android:title="@string/autofill_wallet_management_link_text"
-        app:url="@string/autofill_manage_wallet_cards_url" />
+        app:url="@string/autofill_manage_wallet_cards_url"
+        app:imitateWebLink="true" />
 
     <org.chromium.chrome.browser.preferences.TextMessagePreference
         android:title="@string/autofill_wallet_cache_explanation" />

chrome/android/java/src/org/chromium/chrome/browser/preferences/HyperlinkPreference.java

@@ -9,6 +9,7 @@ import android.content.res.TypedArray;
 import android.preference.Preference;
 import android.util.AttributeSet;
 import android.view.View;
+import android.view.View.OnClickListener;
 import android.widget.TextView;
 
 import org.chromium.chrome.R;
@@ -20,12 +21,14 @@ public class HyperlinkPreference extends Preference {
 
     private final int mTitleResId;
     private final int mUrlResId;
+    private final boolean mImitateWebLink;
 
     public HyperlinkPreference(Context context, AttributeSet attrs) {
         super(context, attrs);
         TypedArray a = context.obtainStyledAttributes(attrs,
                 R.styleable.HyperlinkPreference, 0, 0);
         mUrlResId = a.getResourceId(R.styleable.HyperlinkPreference_url, 0);
+        mImitateWebLink = a.getBoolean(R.styleable.HyperlinkPreference_imitateWebLink, false);
         a.recycle();
         mTitleResId = getTitleRes();
     }
@@ -40,5 +43,18 @@ public class HyperlinkPreference extends Preference {
         super.onBindView(view);
         TextView titleView = (TextView) view.findViewById(android.R.id.title);
         titleView.setSingleLine(false);
+
+        if (mImitateWebLink) {
+            setSelectable(false);
+
+            titleView.setClickable(true);
+            titleView.setTextColor(titleView.getPaint().linkColor);
+            titleView.setOnClickListener(new OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    HyperlinkPreference.this.onClick();
+                }
+            });
+        }
     }
 }