Expose the API to fetch the largest possible favicon.

BUG=365590

Review URL: https://codereview.chromium.org/269313003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@269025 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 27 insertions, 0 deletions

diff --git a/chrome/android/java/src/org/chromium/chrome/browser/favicon/FaviconHelper.java b/chrome/android/java/src/org/chromium/chrome/browser/favicon/FaviconHelper.java
index 445efb0..d04a290 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/favicon/FaviconHelper.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/favicon/FaviconHelper.java
@@ -84,6 +84,30 @@ public class FaviconHelper {
     }
 
     /**
+     * Fetches the first available favicon for a URL that exceeds the minimum size threshold.  If
+     * no favicons are larger (or equal) to the threshold, the largest favicon of any type is
+     * fetched.
+     *
+     * @param profile              Profile used for the FaviconService construction.
+     * @param pageUrl              The target Page URL to get the favicon.
+     * @param iconTypes            The list of icon types (each entry can be a bitmasked collection
+     *                             of types) that should be fetched in order.  As soon as one of
+     *                             the buckets exceeds the minimum size threshold, that favicon
+     *                             will be returned.
+     * @param minSizeThresholdPx   The size threshold (inclusive) used to early exit out fetching
+     *                             subsequent favicon types.
+     * @param faviconImageCallback The callback to be notified with the best matching favicon.
+     */
+    public void getLargestRawFaviconForUrl(
+            Profile profile, String pageUrl, int[] iconTypes, int minSizeThresholdPx,
+            FaviconImageCallback faviconImageCallback) {
+        assert mNativeFaviconHelper != 0;
+        nativeGetLargestRawFaviconForUrl(
+                mNativeFaviconHelper, profile, pageUrl, iconTypes, minSizeThresholdPx - 1,
+                faviconImageCallback);
+    }
+
+    /**
      * Return the dominant color of a given bitmap in {@link Color} format.
      * @param image The bitmap image to find the dominant color for.
      * @return The dominant color in {@link Color} format.
@@ -111,6 +135,9 @@ public class FaviconHelper {
     private static native boolean nativeGetLocalFaviconImageForURL(long nativeFaviconHelper,
             Profile profile, String pageUrl, int iconTypes, int desiredSizeInDip,
             FaviconImageCallback faviconImageCallback);
+    private static native void nativeGetLargestRawFaviconForUrl(long nativeFaviconHelper,
+            Profile profile, String pageUrl, int[] iconTypes, int minSizeThresholdPx,
+            FaviconImageCallback faviconImageCallback);
     private static native Bitmap nativeGetSyncedFaviconImageForURL(long nativeFaviconHelper,
             Profile profile, String pageUrl);
     private static native int nativeGetDominantColorForBitmap(Bitmap image);