[NearbyShare] Hide sharesheet action when disabled by policy.

This CL adds sharesheet shouldShowAction logic that hides
nearbyshare sharesheet when the feature is disabled by
policy.

Fixed: 1156857
Change-Id: I61532c71aa67e2d1ab55f0b39d6cd36d7268ad8d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2586084Reviewed-by: James Vecore <vecore@google.com>
Commit-Queue: Azeem Arshad <azeemarshad@chromium.org>
Cr-Commit-Position: refs/heads/master@{#836173}

chrome/browser/nearby_sharing/nearby_share_settings.cc

@@ -77,6 +77,11 @@ const std::vector<std::string> NearbyShareSettings::GetAllowedContacts() const {
   return allowed_contacts;
 }
 
+bool NearbyShareSettings::IsDisabledByPolicy() const {
+  return !GetEnabled() && pref_service_->IsManagedPreference(
+                              prefs::kNearbySharingEnabledPrefName);
+}
+
 void NearbyShareSettings::AddSettingsObserver(
     ::mojo::PendingRemote<nearby_share::mojom::NearbyShareSettingsObserver>
         observer) {

chrome/browser/nearby_sharing/nearby_share_settings.h

@@ -53,6 +53,9 @@ class NearbyShareSettings : public nearby_share::mojom::NearbyShareSettings,
   nearby_share::mojom::Visibility GetVisibility() const;
   const std::vector<std::string> GetAllowedContacts() const;
 
+  // Returns true if the feature is disabled by policy.
+  bool IsDisabledByPolicy() const;
+
   // nearby_share::mojom::NearbyShareSettings
   void AddSettingsObserver(
       ::mojo::PendingRemote<nearby_share::mojom::NearbyShareSettingsObserver>

chrome/browser/nearby_sharing/sharesheet/nearby_share_action.cc

@@ -14,6 +14,8 @@
 #include "chrome/browser/chromeos/file_manager/fileapi_util.h"
 #include "chrome/browser/nearby_sharing/attachment.h"
 #include "chrome/browser/nearby_sharing/file_attachment.h"
+#include "chrome/browser/nearby_sharing/nearby_sharing_service.h"
+#include "chrome/browser/nearby_sharing/nearby_sharing_service_factory.h"
 #include "chrome/browser/nearby_sharing/sharesheet/nearby_share_web_view.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/sharesheet/sharesheet_types.h"
@@ -127,6 +129,20 @@ void NearbyShareAction::OnClose() {
   }
 }
 
+bool NearbyShareAction::ShouldShowAction(const apps::mojom::IntentPtr& intent,
+                                         bool contains_hosted_document) {
+  Profile* profile = ProfileManager::GetPrimaryUserProfile();
+  if (!profile) {
+    return false;
+  }
+  NearbySharingService* nearby_share_service =
+      NearbySharingServiceFactory::GetForBrowserContext(profile);
+  if (!nearby_share_service) {
+    return false;
+  }
+  return !nearby_share_service->GetSettings()->IsDisabledByPolicy();
+}
+
 void NearbyShareAction::OnClosing(
     sharesheet::SharesheetController* controller) {
   if (nearby_ui_) {

chrome/browser/nearby_sharing/sharesheet/nearby_share_action.h

@@ -23,6 +23,8 @@ class NearbyShareAction : public sharesheet::ShareAction,
                     views::View* root_view,
                     apps::mojom::IntentPtr intent) override;
   void OnClosing(sharesheet::SharesheetController* controller) override;
+  bool ShouldShowAction(const apps::mojom::IntentPtr& intent,
+                        bool contains_hosted_document) override;
 
   // nearby_share::NearbyShareDialogUI::Observer:
   void OnClose() override;