Change "Open with" on desktop to open ResolverActivity

ResolverActivity allows users to change the default unlike the current
ChooserActivity.

Bug: 384608361
Flag: com.android.documentsui.flags.desktop_file_handling
Test: Unit tests and manual testing

Change-Id: I918ec6d6fce599bf2b1194d3db3b6d23cde254f5

2 files changed, 32 insertions, 6 deletions

diff --git a/src/com/android/documentsui/files/ActionHandler.java b/src/com/android/documentsui/files/ActionHandler.java
index 20b831856..1fa771178 100644
--- a/src/com/android/documentsui/files/ActionHandler.java
+++ b/src/com/android/documentsui/files/ActionHandler.java
@@ -19,10 +19,12 @@ package com.android.documentsui.files;
 import static android.content.ContentResolver.wrap;
 
 import static com.android.documentsui.base.SharedMinimal.DEBUG;
+import static com.android.documentsui.flags.Flags.desktopFileHandling;
 
 import android.app.DownloadManager;
 import android.content.ActivityNotFoundException;
 import android.content.ClipData;
+import android.content.ComponentName;
 import android.content.ContentProviderClient;
 import android.content.ContentResolver;
 import android.content.Intent;
@@ -543,12 +545,23 @@ public class ActionHandler<T extends FragmentActivity & AbstractActionHandler.Co
             return;
         }
 
-        Intent intent = Intent.createChooser(buildViewIntent(doc), null);
-        intent.putExtra(Intent.EXTRA_AUTO_LAUNCH_SINGLE_CHOICE, false);
-        try {
-            doc.userId.startActivityAsUser(mActivity, intent);
-        } catch (ActivityNotFoundException e) {
-            mDialogs.showNoApplicationFound();
+        if (desktopFileHandling()) {
+            Intent intent = buildViewIntent(doc);
+            intent.setComponent(
+                    new ComponentName("android", "com.android.internal.app.ResolverActivity"));
+            try {
+                doc.userId.startActivityAsUser(mActivity, intent);
+            } catch (ActivityNotFoundException e) {
+                mDialogs.showNoApplicationFound();
+            }
+        } else {
+            Intent intent = Intent.createChooser(buildViewIntent(doc), null);
+            intent.putExtra(Intent.EXTRA_AUTO_LAUNCH_SINGLE_CHOICE, false);
+            try {
+                doc.userId.startActivityAsUser(mActivity, intent);
+            } catch (ActivityNotFoundException e) {
+                mDialogs.showNoApplicationFound();
+            }
         }
     }
 
diff --git a/tests/unit/com/android/documentsui/files/ActionHandlerTest.java b/tests/unit/com/android/documentsui/files/ActionHandlerTest.java
index 6aaa3e5d2..3de1a8ca7 100644
--- a/tests/unit/com/android/documentsui/files/ActionHandlerTest.java
+++ b/tests/unit/com/android/documentsui/files/ActionHandlerTest.java
@@ -460,6 +460,7 @@ public class ActionHandlerTest {
     }
 
     @Test
+    @DisableFlags({Flags.FLAG_DESKTOP_FILE_HANDLING})
     public void testShowChooser() throws Exception {
         mActivity.currentRoot = TestProvidersAccess.DOWNLOADS;
 
@@ -468,6 +469,18 @@ public class ActionHandlerTest {
     }
 
     @Test
+    @EnableFlags({Flags.FLAG_DESKTOP_FILE_HANDLING})
+    public void testShowChooserDesktop() throws Exception {
+        mActivity.currentRoot = TestProvidersAccess.DOWNLOADS;
+
+        mHandler.showChooserForDoc(TestEnv.FILE_PDF);
+        Intent actual = mActivity.startActivity.getLastValue();
+        assertEquals(Intent.ACTION_VIEW, actual.getAction());
+        assertEquals("ComponentInfo{android/com.android.internal.app.ResolverActivity}",
+                actual.getComponent().toString());
+    }
+
+    @Test
     public void testInitLocation_LaunchToStackLocation() {
         DocumentStack path = new DocumentStack(Roots.create("123"), mEnv.model.getDocument("1"));