arc: add LaunchAppShortcutItem API and apply in ArcAppContextMenu

Changes:
Design doc: go/arc-app-shortcuts

Launch app shortcut has to be called by Android's LauncherApps'
startShortcut API. Thus provide a mojo API to do the work.

Bug: 803291
Test: tested on device with ag/3997639
Change-Id: Idece1c44836a9e43932b700b81d128883c15666d
Reviewed-on: https://chromium-review.googlesource.com/1041574
Commit-Queue: Qiang Xu <warx@google.com>
Reviewed-by: Luis Hector Chavez <lhchavez@chromium.org>
Reviewed-by: Yury Khmel <khmel@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Cr-Commit-Position: refs/heads/master@{#556106}

chrome/browser/ui/app_list/app_context_menu_unittest.cc

@@ -480,6 +480,11 @@ TEST_P(AppContextMenuTest, ArcMenu) {
       EXPECT_EQ(base::StringPrintf("ShortLabel %d", i),
                 base::UTF16ToUTF8(menu->GetLabelAt(i + index)));
     }
+
+    // Test launching app shortcut item.
+    EXPECT_EQ(0, arc_test.app_instance()->launch_app_shortcut_item_count());
+    menu->ActivatedAt(menu->GetItemCount() - 1);
+    EXPECT_EQ(1, arc_test.app_instance()->launch_app_shortcut_item_count());
   }
 
   // This makes all apps non-ready.

chrome/browser/ui/app_list/arc/arc_app_context_menu.cc

@@ -88,18 +88,17 @@ bool ArcAppContextMenu::IsCommandIdEnabled(int command_id) const {
 }
 
 void ArcAppContextMenu::ExecuteCommand(int command_id, int event_flags) {
-  switch (command_id) {
-    case LAUNCH_NEW:
-      delegate()->ExecuteLaunchCommand(event_flags);
-      break;
-    case UNINSTALL:
-      arc::ShowArcAppUninstallDialog(profile(), controller(), app_id());
-      break;
-    case SHOW_APP_INFO:
-      ShowPackageInfo();
-      break;
-    default:
-      app_list::AppContextMenu::ExecuteCommand(command_id, event_flags);
+  if (command_id == LAUNCH_NEW) {
+    delegate()->ExecuteLaunchCommand(event_flags);
+  } else if (command_id == UNINSTALL) {
+    arc::ShowArcAppUninstallDialog(profile(), controller(), app_id());
+  } else if (command_id == SHOW_APP_INFO) {
+    ShowPackageInfo();
+  } else if (command_id >= LAUNCH_APP_SHORTCUT_FIRST &&
+             command_id <= LAUNCH_APP_SHORTCUT_LAST) {
+    ExecuteLaunchAppShortcutCommand(command_id);
+  } else {
+    app_list::AppContextMenu::ExecuteCommand(command_id, event_flags);
   }
 }
 
@@ -132,17 +131,30 @@ void ArcAppContextMenu::BuildAppShortcutsMenu(
 void ArcAppContextMenu::OnGetAppShortcutItems(
     std::unique_ptr<ui::SimpleMenuModel> menu_model,
     GetMenuModelCallback callback,
-    std::unique_ptr<arc::ArcAppShortcutItems> shortcut_items) {
-  if (shortcut_items) {
+    std::unique_ptr<arc::ArcAppShortcutItems> app_shortcut_items) {
+  app_shortcut_items_ = std::move(app_shortcut_items);
+  if (app_shortcut_items_) {
     int command_id = LAUNCH_APP_SHORTCUT_FIRST;
-    DCHECK_LT(command_id + shortcut_items->size(), LAUNCH_APP_SHORTCUT_LAST);
-    for (const auto& item : *shortcut_items)
+    DCHECK_LT(command_id + app_shortcut_items_->size(),
+              LAUNCH_APP_SHORTCUT_LAST);
+    for (const auto& item : *app_shortcut_items_)
       menu_model->AddItemWithIcon(command_id++, item.short_label, item.icon);
   }
   std::move(callback).Run(std::move(menu_model));
   arc_app_shortcuts_request_.reset();
 }
 
+void ArcAppContextMenu::ExecuteLaunchAppShortcutCommand(int command_id) {
+  DCHECK(command_id >= LAUNCH_APP_SHORTCUT_FIRST &&
+         command_id <= LAUNCH_APP_SHORTCUT_LAST);
+  size_t index = command_id - LAUNCH_APP_SHORTCUT_FIRST;
+  DCHECK(app_shortcut_items_);
+  DCHECK_LT(index, app_shortcut_items_->size());
+  arc::LaunchAppShortcutItem(profile(), app_id(),
+                             app_shortcut_items_->at(index).shortcut_id,
+                             controller()->GetAppListDisplayId());
+}
+
 void ArcAppContextMenu::ShowPackageInfo() {
   const ArcAppListPrefs* arc_prefs = ArcAppListPrefs::Get(profile());
   DCHECK(arc_prefs);

chrome/browser/ui/app_list/arc/arc_app_context_menu.h

@@ -45,10 +45,16 @@ class ArcAppContextMenu : public app_list::AppContextMenu {
   void OnGetAppShortcutItems(
       std::unique_ptr<ui::SimpleMenuModel> menu_model,
       GetMenuModelCallback callback,
-      std::unique_ptr<arc::ArcAppShortcutItems> shortcut_items);
+      std::unique_ptr<arc::ArcAppShortcutItems> app_shortcut_items);
+
+  // Executes launching app shortcut item.
+  void ExecuteLaunchAppShortcutCommand(int command_id);
 
   void ShowPackageInfo();
 
+  // Caches the app shortcut items from OnGetAppShortcutItems().
+  std::unique_ptr<arc::ArcAppShortcutItems> app_shortcut_items_;
+
   // Handles requesting app shortcuts from Android.
   std::unique_ptr<arc::ArcAppShortcutsRequest> arc_app_shortcuts_request_;
 

chrome/browser/ui/app_list/arc/arc_app_utils.cc

@@ -150,6 +150,15 @@ bool Launch(content::BrowserContext* context,
   return true;
 }
 
+// Returns primary display id if |display_id| is invalid.
+int64_t GetValidDisplayId(int64_t display_id) {
+  if (display_id != display::kInvalidDisplayId)
+    return display_id;
+  if (auto* screen = display::Screen::GetScreen())
+    return screen->GetPrimaryDisplay().id();
+  return display::kInvalidDisplayId;
+}
+
 }  // namespace
 
 const char kPlayStoreAppId[] = "cnbgggchhmkkdmeppjobngjoejnihlei";
@@ -184,7 +193,8 @@ bool LaunchPlayStoreWithUrl(const std::string& url) {
   arc::mojom::IntentHelperInstance* instance =
       GET_INTENT_HELPER_INSTANCE(HandleUrl);
   if (!instance) {
-    VLOG(1) << "Cannot find a mojo instance, ARC is unreachable";
+    VLOG(1) << "Cannot find a mojo instance, ARC is unreachable or mojom"
+            << " version mismatch";
     return false;
   }
   instance->HandleUrl(url, kPlayStorePackage);
@@ -212,11 +222,6 @@ bool LaunchAppWithIntent(content::BrowserContext* context,
                          int64_t display_id) {
   DCHECK(!launch_intent.has_value() || !launch_intent->empty());
 
-  if (display_id == display::kInvalidDisplayId) {
-    if (auto* screen = display::Screen::GetScreen())
-      display_id = screen->GetPrimaryDisplay().id();
-  }
-
   Profile* const profile = Profile::FromBrowserContext(context);
 
   // Even when ARC is not allowed for the profile, ARC apps may still show up
@@ -273,7 +278,7 @@ bool LaunchAppWithIntent(content::BrowserContext* context,
     DCHECK(chrome_controller || !ash::Shell::HasInstance());
     if (chrome_controller) {
       chrome_controller->GetArcDeferredLauncher()->RegisterDeferredLaunch(
-          app_id, event_flags, display_id);
+          app_id, event_flags, GetValidDisplayId(display_id));
 
       // On some boards, ARC is booted with a restricted set of resources by
       // default to avoid slowing down Chrome's user session restoration.
@@ -286,7 +291,37 @@ bool LaunchAppWithIntent(content::BrowserContext* context,
   }
   arc::ArcBootPhaseMonitorBridge::RecordFirstAppLaunchDelayUMA(context);
 
-  return Launch(context, app_id, launch_intent, event_flags, display_id);
+  return Launch(context, app_id, launch_intent, event_flags,
+                GetValidDisplayId(display_id));
+}
+
+bool LaunchAppShortcutItem(content::BrowserContext* context,
+                           const std::string& app_id,
+                           const std::string& shortcut_id,
+                           int64_t display_id) {
+  std::unique_ptr<ArcAppListPrefs::AppInfo> app_info =
+      ArcAppListPrefs::Get(context)->GetApp(app_id);
+  if (!app_info) {
+    LOG(ERROR) << "App " << app_id << " is not available.";
+    return false;
+  }
+
+  mojom::AppInstance* app_instance =
+      ArcServiceManager::Get()
+          ? ARC_GET_INSTANCE_FOR_METHOD(
+                ArcServiceManager::Get()->arc_bridge_service()->app(),
+                LaunchAppShortcutItem)
+          : nullptr;
+
+  if (!app_instance) {
+    LOG(ERROR) << "Cannot find a mojo instance, ARC is unreachable or mojom"
+               << " version mismatch.";
+    return false;
+  }
+
+  app_instance->LaunchAppShortcutItem(app_info->package_name, shortcut_id,
+                                      GetValidDisplayId(display_id));
+  return true;
 }
 
 bool LaunchSettingsAppActivity(content::BrowserContext* context,

chrome/browser/ui/app_list/arc/arc_app_utils.h

@@ -109,6 +109,12 @@ bool LaunchAppWithIntent(content::BrowserContext* context,
                          int event_flags,
                          int64_t display_id);
 
+// Launches App Shortcut that was published by Android's ShortcutManager.
+bool LaunchAppShortcutItem(content::BrowserContext* context,
+                           const std::string& app_id,
+                           const std::string& shortcut_id,
+                           int64_t display_id);
+
 // Launches a specific activity within Settings app on ARC.
 bool LaunchSettingsAppActivity(content::BrowserContext* context,
                                const std::string& activity,

components/arc/common/app.mojom

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
-// Next MinVersion: 30
+// Next MinVersion: 31
 
 module arc.mojom;
 
@@ -281,7 +281,7 @@ interface AppHost {
 };
 
 // TODO(lhchavez): Migrate all request/response messages to Mojo.
-// Next method ID: 24
+// Next method ID: 25
 interface AppInstance {
   // DEPRECATED: Please use Init@21 instead.
   InitDeprecated@0(AppHost host_ptr);
@@ -311,6 +311,11 @@ interface AppInstance {
   [MinVersion=23] LaunchApp@18(string package_name, string activity,
                                int64 display_id);
 
+  // Sends a request to ARC for the Android launcher to launch the specified app
+  // shortcut.
+  [MinVersion=30] LaunchAppShortcutItem@24(
+      string package_name, string shortcut_id, int64 display_id);
+
   [MinVersion=9] LaunchIntentDeprecated@12(string intent_uri,
                                            Rect? dimension_on_screen);
 

components/arc/test/fake_app_instance.cc

@@ -74,6 +74,12 @@ void FakeAppInstance::LaunchApp(const std::string& package_name,
   launch_requests_.push_back(std::make_unique<Request>(package_name, activity));
 }
 
+void FakeAppInstance::LaunchAppShortcutItem(const std::string& package_name,
+                                            const std::string& shortcut_id,
+                                            int64_t display_id) {
+  ++launch_app_shortcut_item_count_;
+}
+
 void FakeAppInstance::RequestAppIcon(const std::string& package_name,
                                      const std::string& activity,
                                      mojom::ScaleFactor scale_factor) {

components/arc/test/fake_app_instance.h

@@ -88,6 +88,9 @@ class FakeAppInstance : public mojom::AppInstance {
   void LaunchApp(const std::string& package_name,
                  const std::string& activity,
                  int64_t display_id) override;
+  void LaunchAppShortcutItem(const std::string& package_name,
+                             const std::string& shortcut_id,
+                             int64_t display_id) override;
   void RequestAppIcon(const std::string& package_name,
                       const std::string& activity,
                       mojom::ScaleFactor scale_factor) override;
@@ -170,6 +173,10 @@ class FakeAppInstance : public mojom::AppInstance {
 
   int start_pai_request_count() const { return start_pai_request_count_; }
 
+  int launch_app_shortcut_item_count() const {
+    return launch_app_shortcut_item_count_;
+  }
+
   const std::vector<std::unique_ptr<Request>>& launch_requests() const {
     return launch_requests_;
   }
@@ -195,6 +202,8 @@ class FakeAppInstance : public mojom::AppInstance {
   int refresh_app_list_count_ = 0;
   // Number of requests to start PAI flows.
   int start_pai_request_count_ = 0;
+  // Keeps information about launch app shortcut requests.
+  int launch_app_shortcut_item_count_ = 0;
   // Keeps information about launch requests.
   std::vector<std::unique_ptr<Request>> launch_requests_;
   // Keeps information about launch intents.