[Downloads] Expose basic download history to UI

chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadManagerUi.java

Index: chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadManagerUi.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadManagerUi.java b/chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadManagerUi.java
index a617ad85128896f0213baca673249c2dd6d46fce..045056ba0ac3cf2f536fdd23251c6b29d89d224a 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadManagerUi.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadManagerUi.java
@@ -13,6 +13,8 @@ import android.os.Environment;
 import android.os.StatFs;
 import android.support.v4.widget.DrawerLayout;
 import android.support.v7.app.ActionBarDrawerToggle;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
 import android.support.v7.widget.Toolbar;
 import android.support.v7.widget.Toolbar.OnMenuItemClickListener;
 import android.text.format.Formatter;
@@ -29,8 +31,10 @@ import android.widget.ProgressBar;
 import android.widget.TextView;
 
 import org.chromium.base.ApiCompatibilityUtils;
+import org.chromium.base.ContextUtils;
 import org.chromium.base.Log;
 import org.chromium.chrome.R;
+import org.chromium.chrome.browser.download.DownloadManagerService;
 import org.chromium.chrome.browser.widget.FadingShadow;
 import org.chromium.chrome.browser.widget.FadingShadowView;
 import org.chromium.chrome.browser.widget.TintedDrawable;
@@ -191,6 +195,7 @@ public class DownloadManagerUi extends DrawerLayout implements OnMenuItemClickLi
     private DownloadManagerToolbar mToolbar;
     private SpaceDisplay mSpaceDisplay;
     private ListView mFilterView;
+    private RecyclerView mRecyclerView;
 
     public DownloadManagerUi(Context context, AttributeSet attrs) {
         super(context, attrs);
@@ -208,6 +213,15 @@ public class DownloadManagerUi extends DrawerLayout implements OnMenuItemClickLi
         mFilterView = (ListView) findViewById(R.id.section_list);
         mFilterView.setAdapter(mFilterAdapter);
         mFilterView.setOnItemClickListener(mFilterAdapter);
+
+        mRecyclerView = (RecyclerView) findViewById(R.id.recycler_view);
+        mRecyclerView.setAdapter(getDownloadManagerService().getDownloadHistoryAdapter());
+        mRecyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
+        initializeAdapter();
+    }
+
+    private void initializeAdapter() {
+        getDownloadManagerService().getAllDownloads();

[Ian Wen, 2016/07/14 18:16:25]

Nit: Shall we inline this function instead?

[gone, 2016/07/14 19:11:56]

Done.

     }
 
     /**
@@ -260,4 +274,9 @@ public class DownloadManagerUi extends DrawerLayout implements OnMenuItemClickLi
         return false;
     }
 
+    private DownloadManagerService getDownloadManagerService() {
+        return DownloadManagerService.getDownloadManagerService(
+                ContextUtils.getApplicationContext());
+    }
+
 }