Fixing equals and dashcode for download and history items

app/src/main/java/acr/browser/lightning/database/HistoryItem.java

@@ -120,27 +120,30 @@ public class HistoryItem implements Comparable<HistoryItem> {
     }
 
     @Override
-    public boolean equals(@Nullable Object object) {
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
 
-        if (this == object) return true;
-        if (object == null) return false;
-        if (!(object instanceof HistoryItem)) return false;
+        HistoryItem that = (HistoryItem) o;
 
-        HistoryItem that = (HistoryItem) object;
+        if (mImageId != that.mImageId) return false;
+        if (mPosition != that.mPosition) return false;
+        if (mIsFolder != that.mIsFolder) return false;
+        if (!mUrl.equals(that.mUrl)) return false;
+        if (!mTitle.equals(that.mTitle)) return false;
+
+        return mFolder.equals(that.mFolder);
 
-        return mImageId == that.mImageId &&
-            this.mTitle.equals(that.mTitle) && this.mUrl.equals(that.mUrl) &&
-            this.mFolder.equals(that.mFolder);
     }
 
     @Override
     public int hashCode() {
-
         int result = mUrl.hashCode();
-        result = 31 * result + mImageId;
         result = 31 * result + mTitle.hashCode();
-        result = 32 * result + mFolder.hashCode();
+        result = 31 * result + mFolder.hashCode();
         result = 31 * result + mImageId;
+        result = 31 * result + mPosition;
+        result = 31 * result + (mIsFolder ? 1 : 0);
 
         return result;
     }

app/src/main/java/acr/browser/lightning/database/downloads/DownloadItem.java

@@ -70,23 +70,24 @@ public class DownloadItem implements Comparable<DownloadItem> {
     }
 
     @Override
-    public boolean equals(@Nullable Object object) {
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
 
-        if (this == object) return true;
-        if (object == null) return false;
-        if (!(object instanceof DownloadItem)) return false;
+        DownloadItem that = (DownloadItem) o;
 
-        DownloadItem that = (DownloadItem) object;
+        if (!mUrl.equals(that.mUrl)) return false;
+        if (!mTitle.equals(that.mTitle)) return false;
+
+        return mContentSize.equals(that.mContentSize);
 
-        return this.mTitle.equals(that.mTitle) && this.mUrl.equals(that.mUrl)
-            && this.mContentSize.equals(that.mContentSize);
     }
 
     @Override
     public int hashCode() {
-
         int result = mUrl.hashCode();
         result = 31 * result + mTitle.hashCode();
+        result = 31 * result + mContentSize.hashCode();
 
         return result;
     }