Upstream oodles of Chrome for Android code into Chromium.

chrome/android/java_staging/src/org/chromium/chrome/browser/omaha/OmahaUpdateInfobar.java

Index: chrome/android/java_staging/src/org/chromium/chrome/browser/omaha/OmahaUpdateInfobar.java
diff --git a/chrome/android/java_staging/src/org/chromium/chrome/browser/omaha/OmahaUpdateInfobar.java b/chrome/android/java_staging/src/org/chromium/chrome/browser/omaha/OmahaUpdateInfobar.java
new file mode 100644
index 0000000000000000000000000000000000000000..46a5978fd32224874b1069a017e5e26dada4bd79
--- /dev/null
+++ b/chrome/android/java_staging/src/org/chromium/chrome/browser/omaha/OmahaUpdateInfobar.java
@@ -0,0 +1,110 @@
+// Copyright 2015 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.omaha;
+
+import android.content.ActivityNotFoundException;
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.SystemClock;
+import android.util.Log;
+
+import com.google.android.apps.chrome.R;
+
+import org.chromium.base.VisibleForTesting;
+import org.chromium.base.metrics.RecordHistogram;
+import org.chromium.chrome.browser.infobar.ConfirmInfoBar;
+import org.chromium.chrome.browser.infobar.InfoBar;
+import org.chromium.chrome.browser.infobar.InfoBarListeners;
+
+import java.util.concurrent.TimeUnit;
+
+
+/**
+ * An InfoBar implementation that displays a message and a button that sends a user to the
+ * given URL.
+ */
+public class OmahaUpdateInfobar extends ConfirmInfoBar {
+    private static final String TAG = "OmahaUpdateInfobar";
+    private static final int ACTION_CLOSED = 0;
+    private static final int ACTION_CLICKED_UPDATE_SUCCESS = 1;
+    private static final int ACTION_CLICKED_UPDATE_FAIL = 2;
+    private static final int ACTION_DISMISSED = 3;
+    private static final int ACTION_MAX = 3;
+
+    private String mUrl;
+    private Context mActivityContext;
+    private boolean mActionTaken;
+    private long mShownTime;
+
+    /**
+     * Listens for the InfoBar being dismissed and checks whether it was caused by a user action
+     * on the InfoBar or another event which caused the InfoBar to be dimissed implicitly
+     * (e.g. user entered a new url in the omnibox.)
+      */
+    private static class DismissListener implements InfoBarListeners.Confirm {
+        @Override
+        public void onInfoBarDismissed(InfoBar infoBar) {
+            assert infoBar instanceof OmahaUpdateInfobar;
+
+            OmahaUpdateInfobar infoBarInstance = (OmahaUpdateInfobar) infoBar;
+            // If the user hasn't taken an action and the infobar is getting dismissed, then
+            // record that it was dismissed.
+            if (!infoBarInstance.mActionTaken) {
+                infoBarInstance.recordHistograms(ACTION_DISMISSED);
+            }
+        }
+
+        @Override
+        public void onConfirmInfoBarButtonClicked(ConfirmInfoBar infoBar, boolean confirm) {
+            // Ignored.
+        }
+    }
+
+    public OmahaUpdateInfobar(Context activityContext, String message, String buttonMessage,
+                String url) {
+        super(0, new DismissListener(), R.drawable.infobar_warning, null, message, null,
+                buttonMessage, null);
+        mActivityContext = activityContext;
+        mUrl = url;
+        mShownTime = SystemClock.uptimeMillis();
+    }
+
+    private void recordHistograms(int action) {
+        RecordHistogram.recordEnumeratedHistogram("GoogleUpdate.InfoBar.ActionTaken",
+                action, ACTION_MAX);
+        RecordHistogram.recordMediumTimesHistogram("GoogleUpdate.InfoBar.TimeShown",
+                SystemClock.uptimeMillis() - mShownTime, TimeUnit.MILLISECONDS);
+    }
+
+    @Override
+    public void onCloseButtonClicked() {
+        mActionTaken = true;
+        recordHistograms(ACTION_CLOSED);
+        super.onCloseButtonClicked();
+    }
+
+    @Override
+    public void onButtonClicked(boolean isPrimaryButton) {
+        mActionTaken = true;
+        dismissJavaOnlyInfoBar();
+
+        // Fire an intent to open the URL.
+        try {
+            Intent launchIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(mUrl));
+            mActivityContext.startActivity(launchIntent);
+            recordHistograms(ACTION_CLICKED_UPDATE_SUCCESS);
+        } catch (ActivityNotFoundException e) {
+            Log.e(TAG, "Failed to launch Activity for: " + mUrl);
+            recordHistograms(ACTION_CLICKED_UPDATE_FAIL);
+        }
+    }
+
+    /** Returns the URL that is supposed to be opened when the button is clicked. */
+    @VisibleForTesting
+    public String getUrl() {
+        return mUrl;
+    }
+}