Fix bing images crash

 Bug: 4517571
 Caused by receiving onPageFinished callbacks for in page navigation links
 (eg, url#something).
 Also, only post an UPDATE_BOOKMARK_THUMBNAIL message if one is not already
 pending for the tab.

Change-Id: Ia45ae93206507b93ad6fc841ad291b97bc947675

2 files changed, 13 insertions, 5 deletions

diff --git a/src/com/android/browser/Controller.java b/src/com/android/browser/Controller.java
index 09c7cd1..f4563bd 100644
--- a/src/com/android/browser/Controller.java
+++ b/src/com/android/browser/Controller.java
@@ -819,13 +819,16 @@ public class Controller
         if (!tab.isPrivateBrowsingEnabled()
                 && !TextUtils.isEmpty(tab.getUrl())
                 && !tab.isSnapshot()) {
+            // Only update the bookmark screenshot if the user did not
+            // cancel the load early and there is not already
+            // a pending update for the tab.
             if (tab.inForeground() && !didUserStopLoading()
                     || !tab.inForeground()) {
-                // Only update the bookmark screenshot if the user did not
-                // cancel the load early.
-                mHandler.sendMessageDelayed(mHandler.obtainMessage(
-                        UPDATE_BOOKMARK_THUMBNAIL, 0, 0, tab),
-                        500);
+                if (!mHandler.hasMessages(UPDATE_BOOKMARK_THUMBNAIL, tab)) {
+                    mHandler.sendMessageDelayed(mHandler.obtainMessage(
+                            UPDATE_BOOKMARK_THUMBNAIL, 0, 0, tab),
+                            500);
+                }
             }
         }
         // pause the WebView timer and release the wake lock if it is finished
diff --git a/src/com/android/browser/Tab.java b/src/com/android/browser/Tab.java
index d8a3af9..62b574d 100644
--- a/src/com/android/browser/Tab.java
+++ b/src/com/android/browser/Tab.java
@@ -555,6 +555,11 @@ class Tab {
 
         @Override
         public void onPageFinished(WebView view, String url) {
+            if (!mInPageLoad) {
+                // In page navigation links (www.something.com#footer) will
+                // trigger an onPageFinished which we don't care about.
+                return;
+            }
             if (!isPrivateBrowsingEnabled()) {
                 LogTag.logPageFinishedLoading(
                         url, SystemClock.uptimeMillis() - mLoadStartTime);