mash: Port sysui's WallpaperDelegateMus to mojo:ash.

ash/mus/window_manager_application.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/mus/window_manager_application.h"
 
 #include <utility>
 
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/wm_shell.h"
 #include "ash/mus/accelerators/accelerator_registrar_impl.h"
 #include "ash/mus/native_widget_factory_mus.h"
 #include "ash/mus/shelf_delegate_mus.h"
+#include "ash/mus/wallpaper_delegate_mus.h"
 #include "ash/mus/window_manager.h"
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "services/shell/public/cpp/connection.h"
 #include "services/shell/public/cpp/connector.h"
 #include "services/tracing/public/cpp/provider.h"
 #include "services/ui/common/event_matcher_util.h"
 #include "services/ui/public/cpp/gpu_service.h"
 #include "services/ui/public/cpp/window.h"
 #include "services/ui/public/cpp/window_tree_client.h"
@@ skipping 121 matching lines @@
   const size_t kMaxNumberThreads = 3u;  // Matches that of content.
   const char kThreadNamePrefix[] = "MashBlocking";
   blocking_pool_ = new base::SequencedWorkerPool(
       kMaxNumberThreads, kThreadNamePrefix, base::TaskPriority::USER_VISIBLE);
   InitWindowManager(std::move(window_tree_client), blocking_pool_);
 }
 
 bool WindowManagerApplication::OnConnect(const shell::Identity& remote_identity,
                                          shell::InterfaceRegistry* registry) {
   registry->AddInterface<ash::mojom::ShelfController>(this);
+  registry->AddInterface<ash::mojom::WallpaperController>(this);
   registry->AddInterface<ui::mojom::AcceleratorRegistrar>(this);
   if (remote_identity.name() == "mojo:mash_session") {
     connector()->ConnectToInterface(remote_identity, &session_);
     session_->AddScreenlockStateListener(
         screenlock_state_listener_binding_.CreateInterfacePtrAndBind());
   }
   return true;
 }
 
 void WindowManagerApplication::Create(
     const shell::Identity& remote_identity,
     ash::mojom::ShelfControllerRequest request) {
   ash::mojom::ShelfController* shelf_controller =
       static_cast<ShelfDelegateMus*>(WmShell::Get()->shelf_delegate());
   DCHECK(shelf_controller);
   shelf_controller_bindings_.AddBinding(shelf_controller, std::move(request));
 }
 
 void WindowManagerApplication::Create(
+    const ::shell::Identity& remote_identity,
+    ash::mojom::WallpaperControllerRequest request) {
+  ash::mojom::WallpaperController* wallpaper_controller =
+      static_cast<WallpaperDelegateMus*>(WmShell::Get()->wallpaper_delegate());
+  DCHECK(wallpaper_controller);
+  wallpaper_controller_bindings_.AddBinding(wallpaper_controller,
+                                            std::move(request));
+}
+
+void WindowManagerApplication::Create(
     const shell::Identity& remote_identity,
     ui::mojom::AcceleratorRegistrarRequest request) {
   if (!window_manager_->window_manager_client())
     return;  // Can happen during shutdown.
 
   uint16_t accelerator_namespace_id;
   if (!window_manager_->GetNextAcceleratorNamespaceId(
           &accelerator_namespace_id)) {
     DVLOG(1) << "Max number of accelerators registered, ignoring request.";
     // All ids are used. Normally shouldn't happen, so we close the connection.
     return;
   }
   accelerator_registrars_.insert(new AcceleratorRegistrarImpl(
       window_manager_.get(), accelerator_namespace_id, std::move(request),
       base::Bind(&WindowManagerApplication::OnAcceleratorRegistrarDestroyed,
                  base::Unretained(this))));
 }
 
 void WindowManagerApplication::ScreenlockStateChanged(bool locked) {
   window_manager_->SetScreenLocked(locked);
 }
 
 }  // namespace mus
 }  // namespace ash