Move sad tab upstream

chrome/android/java/src/org/chromium/chrome/browser/tab/SadTabViewFactory.java

Index: chrome/android/java/src/org/chromium/chrome/browser/tab/SadTabViewFactory.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/tab/SadTabViewFactory.java b/chrome/android/java/src/org/chromium/chrome/browser/tab/SadTabViewFactory.java
new file mode 100644
index 0000000000000000000000000000000000000000..43bc84f99062b941e61d9bf3dd1f1de0d51db56a
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/tab/SadTabViewFactory.java
@@ -0,0 +1,74 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.chrome.browser.tab;
+
+import android.content.Context;
+import android.text.method.LinkMovementMethod;
+import android.text.style.ClickableSpan;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.Button;
+import android.widget.TextView;
+
+import org.chromium.chrome.R;
+import org.chromium.ui.text.SpanApplier;
+import org.chromium.ui.text.SpanApplier.SpanInfo;
+
+/**
+ * A factory class for creating the "Sad Tab" view, which is shown in place of a crashed renderer.
+ */
+public class SadTabViewFactory {
+    /**
+     * @param context Context of the resulting Sad Tab view.
+     * @param suggestionAction Action to be executed when user clicks "try these suggestions".
+     * @param reloadButtonAction Action to be executed when Reload button is pressed.
+     *                           (e.g., refreshing the page)
+     * @return A "Sad Tab" view instance which is used in place of a crashed renderer.
+     */
+    public static View createSadTabView(
+            Context context, final OnClickListener suggestionAction,
+            OnClickListener reloadButtonAction) {
+        // Inflate Sad tab and initialize.
+        LayoutInflater inflater = (LayoutInflater) context.getSystemService(
+                Context.LAYOUT_INFLATER_SERVICE);
+        View sadTabView = inflater.inflate(R.layout.sad_tab, null);
+
+        TextView messageText = (TextView) sadTabView.findViewById(R.id.sad_tab_message);
+        messageText.setText(getHelpMessage(context, suggestionAction));
+        messageText.setMovementMethod(LinkMovementMethod.getInstance());
+
+        Button reloadButton = (Button) sadTabView.findViewById(R.id.sad_tab_reload_button);
+        reloadButton.setOnClickListener(reloadButtonAction);
+
+        return sadTabView;
+    }
+
+    /**
+     * Construct and return help message to be displayed on R.id.sad_tab_message.
+     * @param context Context of the resulting Sad Tab view. This is needed to load the strings.
+     * @param suggestionAction Action to be executed when user clicks "try these suggestions".
+     * @return Help message to be displayed on R.id.sad_tab_message.
+     */
+    private static CharSequence getHelpMessage(
+            Context context, final OnClickListener suggestionAction) {
+        String helpMessage = context.getString(R.string.sad_tab_message)
+                + "\n\n" + context.getString(R.string.sad_tab_suggestions);
+        ClickableSpan span = new ClickableSpan() {
+            @Override
+            public void onClick(View view) {
+                suggestionAction.onClick(view);
+            }
+
+            // Disable underline on the link text.
+            @Override
+            public void updateDrawState(android.text.TextPaint textPaint) {
+                super.updateDrawState(textPaint);
+                textPaint.setUnderlineText(false);
+            }
+        };
+        return SpanApplier.applySpans(helpMessage, new SpanInfo("<link>", "</link>", span));
+    }
+}