Improves TouchSelectionMenuRunnerChromeOS readability

This CL is a follow-up for improving overall readability for
TouchSelectionMenuRUnnerChromeOS.

Bug: b/119794258
Test: Build.
Change-Id: I5ec16deac092e8fb1a493634e871f5ef683fb6da
Reviewed-on: https://chromium-review.googlesource.com/c/1351388Reviewed-by: Scott Violet <sky@chromium.org>
Commit-Queue: David Jacobo <djacobo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#611415}

chrome/browser/ui/views/touch_selection_menu_runner_chromeos.cc

@@ -46,31 +46,31 @@ void TouchSelectionMenuRunnerChromeOS::OpenMenuWithTextSelectionAction(
   ShowMenu(menu, anchor_rect, handle_image_size);
 }
 
-void TouchSelectionMenuRunnerChromeOS::OpenMenu(
+bool TouchSelectionMenuRunnerChromeOS::RequestTextSelection(
     ui::TouchSelectionMenuClient* client,
     const gfx::Rect& anchor_rect,
     const gfx::Size& handle_image_size,
     aura::Window* context) {
-  views::TouchSelectionMenuRunnerViews::CloseMenu();
+  if (!base::FeatureList::IsEnabled(arc::kSmartTextSelectionFeature))
+    return false;
 
-  if (!views::TouchSelectionMenuRunnerViews::IsMenuAvailable(client))
-    return;
-
-  if (base::FeatureList::IsEnabled(arc::kSmartTextSelectionFeature)) {
   const std::string converted_text =
       base::UTF16ToUTF8(client->GetSelectedText());
+  if (converted_text.empty())
+    return false;
 
-    if (!converted_text.empty()) {
   auto* arc_service_manager = arc::ArcServiceManager::Get();
-      if (arc_service_manager) {
-        arc::mojom::IntentHelperInstance* instance =
-            ARC_GET_INSTANCE_FOR_METHOD(
+  if (!arc_service_manager)
+    return false;
+
+  arc::mojom::IntentHelperInstance* instance = ARC_GET_INSTANCE_FOR_METHOD(
       arc_service_manager->arc_bridge_service()->intent_helper(),
       RequestTextSelectionActions);
+  if (!instance)
+    return false;
 
-        if (instance) {
-          // aura::WindowTracker is used since the newly created menu may need
-          // to know about the parent window.
+  // aura::WindowTracker is used since the newly created menu may need to know
+  // about the parent window.
   std::unique_ptr<aura::WindowTracker> tracker =
       std::make_unique<aura::WindowTracker>();
   tracker->Add(context);
@@ -81,18 +81,28 @@ void TouchSelectionMenuRunnerChromeOS::OpenMenu(
   // Fetch actions for selected text and then show quick menu.
   instance->RequestTextSelectionActions(
       converted_text,
-              arc::mojom::ScaleFactor(screen->GetDisplayNearestWindow(context)
-                                          .device_scale_factor()),
-              base::BindOnce(&TouchSelectionMenuRunnerChromeOS::
-                                 OpenMenuWithTextSelectionAction,
-                             weak_ptr_factory_.GetWeakPtr(), client,
-                             anchor_rect, handle_image_size,
-                             std::move(tracker)));
+      arc::mojom::ScaleFactor(
+          screen->GetDisplayNearestWindow(context).device_scale_factor()),
+      base::BindOnce(
+          &TouchSelectionMenuRunnerChromeOS::OpenMenuWithTextSelectionAction,
+          weak_ptr_factory_.GetWeakPtr(), client, anchor_rect,
+          handle_image_size, std::move(tracker)));
+  return true;
+}
+
+void TouchSelectionMenuRunnerChromeOS::OpenMenu(
+    ui::TouchSelectionMenuClient* client,
+    const gfx::Rect& anchor_rect,
+    const gfx::Size& handle_image_size,
+    aura::Window* context) {
+  views::TouchSelectionMenuRunnerViews::CloseMenu();
+
+  // If there are no commands to show in the menu finish right away. Also if
+  // classification is possible delegate creating/showing a new menu.
+  if (!views::TouchSelectionMenuRunnerViews::IsMenuAvailable(client) ||
+      RequestTextSelection(client, anchor_rect, handle_image_size, context)) {
     return;
   }
-      }
-    }
-  }
 
   // The menu manages its own lifetime and deletes itself when closed.
   TouchSelectionMenuChromeOS* menu =

chrome/browser/ui/views/touch_selection_menu_runner_chromeos.h

@@ -35,6 +35,13 @@ class TouchSelectionMenuRunnerChromeOS
       std::unique_ptr<aura::WindowTracker> tracker,
       std::vector<arc::mojom::TextSelectionActionPtr> actions);
 
+  // Tries to establish connection with ARC to perform text classification. True
+  // if a query to ARC was made, false otherwise.
+  bool RequestTextSelection(ui::TouchSelectionMenuClient* client,
+                            const gfx::Rect& anchor_rect,
+                            const gfx::Size& handle_image_size,
+                            aura::Window* context);
+
   // views::TouchSelectionMenuRunnerViews.
   void OpenMenu(ui::TouchSelectionMenuClient* client,
                 const gfx::Rect& anchor_rect,