From db7d18d01c5b4b86c67ba46d0680aad8838dbb9e Mon Sep 17 00:00:00 2001
From: Simon Fels <morphis@gravedo.de>
Date: Mon, 19 Jun 2017 21:20:47 +0200
Subject: [PATCH] Introduce platform concept instead of having different
 policies

---
 src/CMakeLists.txt                             |  5 +++--
 src/anbox/audio/server.cpp                     |  6 +++---
 src/anbox/audio/server.h                       |  6 +++---
 src/anbox/bridge/platform_api_skeleton.cpp     | 10 +++++-----
 src/anbox/bridge/platform_api_skeleton.h       |  6 +++---
 src/anbox/cmds/session_manager.cpp             | 14 +++++++-------
 .../platform/{policy.cpp => base_platform.cpp} | 17 +++++++++++++----
 .../platform/{policy.h => base_platform.h}     |  5 +++--
 .../{default_policy.cpp => null/platform.cpp}  | 14 +++++++-------
 .../{default_policy.h => null/platform.h}      | 10 +++++-----
 src/anbox/ubuntu/platform_policy.h             |  4 ++--
 src/anbox/wm/multi_window_manager.cpp          |  8 ++++----
 src/anbox/wm/multi_window_manager.h            |  6 +++---
 src/anbox/wm/single_window_manager.cpp         |  8 ++++----
 src/anbox/wm/single_window_manager.h           |  6 +++---
 tests/anbox/graphics/layer_composer_tests.cpp  | 18 +++++++++---------
 16 files changed, 77 insertions(+), 66 deletions(-)
 rename src/anbox/platform/{policy.cpp => base_platform.cpp} (67%)
 rename src/anbox/platform/{policy.h => base_platform.h} (92%)
 rename src/anbox/platform/{default_policy.cpp => null/platform.cpp} (78%)
 rename src/anbox/platform/{default_policy.h => null/platform.h} (86%)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 3fb6a7e..3dc5f09 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -164,8 +164,9 @@ set(SOURCES
     anbox/wm/window_state.cpp
     anbox/wm/window.cpp
 
-    anbox/platform/policy.cpp
-    anbox/platform/default_policy.cpp
+    anbox/platform/base_platform.cpp
+
+    anbox/platform/null/platform.cpp
 
     anbox/input/manager.cpp
     anbox/input/device.cpp
diff --git a/src/anbox/audio/server.cpp b/src/anbox/audio/server.cpp
index ee8e731..02f3415 100644
--- a/src/anbox/audio/server.cpp
+++ b/src/anbox/audio/server.cpp
@@ -47,8 +47,8 @@ class AudioForwarder : public anbox::network::MessageProcessor {
 
 namespace anbox {
 namespace audio {
-Server::Server(const std::shared_ptr<Runtime>& rt, const std::shared_ptr<platform::Policy> &platform_policy) :
-  platform_policy_(platform_policy),
+Server::Server(const std::shared_ptr<Runtime>& rt, const std::shared_ptr<platform::BasePlatform> &platform) :
+  platform_(platform),
   socket_file_(utils::string_format("%s/anbox_audio", SystemConfiguration::instance().socket_dir())),
   connector_(std::make_shared<network::PublishedSocketConnector>(
              socket_file_, rt,
@@ -81,7 +81,7 @@ void Server::create_connection_for(std::shared_ptr<boost::asio::basic_stream_soc
 
   switch (client_info.type) {
   case ClientInfo::Type::Playback:
-    processor = std::make_shared<AudioForwarder>(platform_policy_->create_audio_sink());
+    processor = std::make_shared<AudioForwarder>(platform_->create_audio_sink());
     break;
   case ClientInfo::Type::Recording:
     break;
diff --git a/src/anbox/audio/server.h b/src/anbox/audio/server.h
index 6a49764..34ce8f9 100644
--- a/src/anbox/audio/server.h
+++ b/src/anbox/audio/server.h
@@ -22,7 +22,7 @@
 #include "anbox/audio/client_info.h"
 #include "anbox/network/socket_messenger.h"
 #include "anbox/network/socket_connection.h"
-#include "anbox/platform/policy.h"
+#include "anbox/platform/base_platform.h"
 
 #include <atomic>
 
@@ -33,7 +33,7 @@ class PublishedSocketConnector;
 namespace audio {
 class Server {
  public:
-  Server(const std::shared_ptr<Runtime>& rt, const std::shared_ptr<platform::Policy> &platform_policy);
+  Server(const std::shared_ptr<Runtime>& rt, const std::shared_ptr<platform::BasePlatform> &platform);
   ~Server();
 
   std::string socket_file() const { return socket_file_; }
@@ -44,7 +44,7 @@ class Server {
 
   int next_id();
 
-  std::shared_ptr<platform::Policy> platform_policy_;
+  std::shared_ptr<platform::BasePlatform> platform_;
   std::string socket_file_;
   std::shared_ptr<network::PublishedSocketConnector> connector_;
   std::shared_ptr<network::Connections<network::SocketConnection>> const connections_;
diff --git a/src/anbox/bridge/platform_api_skeleton.cpp b/src/anbox/bridge/platform_api_skeleton.cpp
index 10fe227..b445748 100644
--- a/src/anbox/bridge/platform_api_skeleton.cpp
+++ b/src/anbox/bridge/platform_api_skeleton.cpp
@@ -17,7 +17,7 @@
 
 #include "anbox/bridge/platform_api_skeleton.h"
 #include "anbox/application/database.h"
-#include "anbox/platform/policy.h"
+#include "anbox/platform/base_platform.h"
 #include "anbox/wm/manager.h"
 #include "anbox/wm/window_state.h"
 #include "anbox/logger.h"
@@ -32,11 +32,11 @@ namespace anbox {
 namespace bridge {
 PlatformApiSkeleton::PlatformApiSkeleton(
     const std::shared_ptr<rpc::PendingCallCache> &pending_calls,
-    const std::shared_ptr<platform::Policy> &platform_policy,
+    const std::shared_ptr<platform::BasePlatform> &platform,
     const std::shared_ptr<wm::Manager> &window_manager,
     const std::shared_ptr<application::Database> &app_db)
     : pending_calls_(pending_calls),
-      platform_policy_(platform_policy),
+      platform_(platform),
       window_manager_(window_manager),
       app_db_(app_db) {}
 
@@ -49,7 +49,7 @@ void PlatformApiSkeleton::set_clipboard_data(anbox::protobuf::bridge::ClipboardD
   (void)response;
 
   if (request->has_text())
-    platform_policy_->set_clipboard_data(platform::Policy::ClipboardData{request->text()});
+    platform_->set_clipboard_data(platform::BasePlatform::ClipboardData{request->text()});
 
   done->Run();
 }
@@ -59,7 +59,7 @@ void PlatformApiSkeleton::get_clipboard_data(anbox::protobuf::rpc::Void const *r
                                              google::protobuf::Closure *done) {
   (void)request;
 
-  auto data = platform_policy_->get_clipboard_data();
+  auto data = platform_->get_clipboard_data();
   if (!data.text.empty())
     response->set_text(data.text);
 
diff --git a/src/anbox/bridge/platform_api_skeleton.h b/src/anbox/bridge/platform_api_skeleton.h
index 843416e..02fe1d6 100644
--- a/src/anbox/bridge/platform_api_skeleton.h
+++ b/src/anbox/bridge/platform_api_skeleton.h
@@ -40,7 +40,7 @@ class ApplicationListUpdateEvent;
 }  // namespace bridge
 }  // namespace protobuf
 namespace platform {
-class Policy;
+class BasePlatform;
 } // namespace platform
 namespace rpc {
 class PendingCallCache;
@@ -56,7 +56,7 @@ class PlatformApiSkeleton {
  public:
   PlatformApiSkeleton(
       const std::shared_ptr<rpc::PendingCallCache> &pending_calls,
-      const std::shared_ptr<platform::Policy> &platform_policy,
+      const std::shared_ptr<platform::BasePlatform> &platform,
       const std::shared_ptr<wm::Manager> &window_manager,
       const std::shared_ptr<application::Database> &app_db);
   virtual ~PlatformApiSkeleton();
@@ -79,7 +79,7 @@ class PlatformApiSkeleton {
 
  private:
   std::shared_ptr<rpc::PendingCallCache> pending_calls_;
-  std::shared_ptr<platform::Policy> platform_policy_;
+  std::shared_ptr<platform::BasePlatform> platform_;
   std::shared_ptr<wm::Manager> window_manager_;
   std::shared_ptr<application::Database> app_db_;
   std::function<void()> boot_finished_handler_;
diff --git a/src/anbox/cmds/session_manager.cpp b/src/anbox/cmds/session_manager.cpp
index 731de0a..4a8f028 100644
--- a/src/anbox/cmds/session_manager.cpp
+++ b/src/anbox/cmds/session_manager.cpp
@@ -176,25 +176,25 @@ anbox::cmds::SessionManager::SessionManager(const BusFactory &bus_factory)
     if (single_window_)
       display_frame = window_size_;
 
-    auto policy = std::make_shared<ubuntu::PlatformPolicy>(input_manager, display_frame, single_window_);
+    auto platform = std::make_shared<ubuntu::PlatformPolicy>(input_manager, display_frame, single_window_);
 
     auto app_db = std::make_shared<application::Database>();
 
     std::shared_ptr<wm::Manager> window_manager;
     if (single_window_)
-      window_manager = std::make_shared<wm::SingleWindowManager>(policy, display_frame, app_db);
+      window_manager = std::make_shared<wm::SingleWindowManager>(platform, display_frame, app_db);
     else
-      window_manager = std::make_shared<wm::MultiWindowManager>(policy, android_api_stub, app_db);
+      window_manager = std::make_shared<wm::MultiWindowManager>(platform, android_api_stub, app_db);
 
     auto gl_server = std::make_shared<graphics::GLRendererServer>(
           graphics::GLRendererServer::Config{gles_driver_, single_window_}, window_manager);
 
-    policy->set_window_manager(window_manager);
-    policy->set_renderer(gl_server->renderer());
+    platform->set_window_manager(window_manager);
+    platform->set_renderer(gl_server->renderer());
 
     window_manager->setup();
 
-    auto audio_server = std::make_shared<audio::Server>(rt, policy);
+    auto audio_server = std::make_shared<audio::Server>(rt, platform);
 
     const auto socket_path = SystemConfiguration::instance().socket_dir();
 
@@ -219,7 +219,7 @@ anbox::cmds::SessionManager::SessionManager(const BusFactory &bus_factory)
               android_api_stub->set_rpc_channel(rpc_channel);
 
               auto server = std::make_shared<bridge::PlatformApiSkeleton>(
-                  pending_calls, policy, window_manager, app_db);
+                  pending_calls, platform, window_manager, app_db);
               server->register_boot_finished_handler([&]() {
                 DEBUG("Android successfully booted");
                 android_api_stub->ready().set(true);
diff --git a/src/anbox/platform/policy.cpp b/src/anbox/platform/base_platform.cpp
similarity index 67%
rename from src/anbox/platform/policy.cpp
rename to src/anbox/platform/base_platform.cpp
index 8cc41ff..26c49c0 100644
--- a/src/anbox/platform/policy.cpp
+++ b/src/anbox/platform/base_platform.cpp
@@ -15,10 +15,19 @@
  *
  */
 
-#include "anbox/platform/policy.h"
+#include "anbox/platform/base_platform.h"
+#include "anbox/platform/null/platform.h"
+#include "anbox/logger.h"
 
 namespace anbox {
 namespace platform {
-Policy::~Policy() {}
-}  // namespace wm
-}  // namespace anbox
+std::shared_ptr<BasePlatform> create(const std::string &name) {
+  if (name.empty())
+    return std::make_shared<NullPlatform>();
+
+  WARNING("Unsupported platfrom '%s'", name);
+
+  return nullptr;
+}
+} // namespace platform
+} // namespace anbox
diff --git a/src/anbox/platform/policy.h b/src/anbox/platform/base_platform.h
similarity index 92%
rename from src/anbox/platform/policy.h
rename to src/anbox/platform/base_platform.h
index 59aefca..a73f5b3 100644
--- a/src/anbox/platform/policy.h
+++ b/src/anbox/platform/base_platform.h
@@ -32,9 +32,9 @@ namespace wm {
 class Window;
 } // namespace wm
 namespace platform {
-class Policy {
+class BasePlatform {
  public:
-  virtual ~Policy();
+  virtual ~BasePlatform() {}
 
   virtual std::shared_ptr<wm::Window> create_window(const anbox::wm::Task::Id &task, const anbox::graphics::Rect &frame, const std::string &title) = 0;
 
@@ -48,6 +48,7 @@ class Policy {
   virtual std::shared_ptr<audio::Sink> create_audio_sink() = 0;
   virtual std::shared_ptr<audio::Source> create_audio_source() = 0;
 };
+std::shared_ptr<BasePlatform> create(const std::string &name = "");
 }  // namespace wm
 }  // namespace anbox
 
diff --git a/src/anbox/platform/default_policy.cpp b/src/anbox/platform/null/platform.cpp
similarity index 78%
rename from src/anbox/platform/default_policy.cpp
rename to src/anbox/platform/null/platform.cpp
index e335157..e49b1fe 100644
--- a/src/anbox/platform/default_policy.cpp
+++ b/src/anbox/platform/null/platform.cpp
@@ -15,7 +15,7 @@
  *
  */
 
-#include "anbox/platform/default_policy.h"
+#include "anbox/platform/null/platform.h"
 #include "anbox/wm/window.h"
 #include "anbox/logger.h"
 
@@ -31,29 +31,29 @@ class NullWindow : public anbox::wm::Window {
 
 namespace anbox {
 namespace platform {
-DefaultPolicy::DefaultPolicy() {}
+NullPlatform::NullPlatform() {}
 
-std::shared_ptr<wm::Window> DefaultPolicy::create_window(
+std::shared_ptr<wm::Window> NullPlatform::create_window(
     const anbox::wm::Task::Id &task, const anbox::graphics::Rect &frame, const std::string &title) {
   return std::make_shared<::NullWindow>(task, frame, title);
 }
 
-void DefaultPolicy::set_clipboard_data(const ClipboardData &data) {
+void NullPlatform::set_clipboard_data(const ClipboardData &data) {
   (void)data;
   ERROR("Not implemented");
 }
 
-DefaultPolicy::ClipboardData DefaultPolicy::get_clipboard_data() {
+NullPlatform::ClipboardData NullPlatform::get_clipboard_data() {
   ERROR("Not implemented");
   return ClipboardData{};
 }
 
-std::shared_ptr<audio::Sink> DefaultPolicy::create_audio_sink() {
+std::shared_ptr<audio::Sink> NullPlatform::create_audio_sink() {
   ERROR("Not implemented");
   return nullptr;
 }
 
-std::shared_ptr<audio::Source> DefaultPolicy::create_audio_source() {
+std::shared_ptr<audio::Source> NullPlatform::create_audio_source() {
   ERROR("Not implemented");
   return nullptr;
 }
diff --git a/src/anbox/platform/default_policy.h b/src/anbox/platform/null/platform.h
similarity index 86%
rename from src/anbox/platform/default_policy.h
rename to src/anbox/platform/null/platform.h
index 68dfdc7..7210e61 100644
--- a/src/anbox/platform/default_policy.h
+++ b/src/anbox/platform/null/platform.h
@@ -15,16 +15,16 @@
  *
  */
 
-#ifndef ANBOX_PLATFORM_DEFAULT_POLICY_H_
-#define ANBOX_PLATFORM_DEFAULT_POLICY_H_
+#ifndef ANBOX_PLATFORM_NULL_PLATFORM_H_
+#define ANBOX_PLATFORM_NULL_PLATFORM_H_
 
-#include "anbox/platform/policy.h"
+#include "anbox/platform/base_platform.h"
 
 namespace anbox {
 namespace platform {
-class DefaultPolicy : public Policy {
+class NullPlatform : public BasePlatform {
  public:
-  DefaultPolicy();
+  NullPlatform();
   std::shared_ptr<wm::Window> create_window(
       const anbox::wm::Task::Id &task,
       const anbox::graphics::Rect &frame,
diff --git a/src/anbox/ubuntu/platform_policy.h b/src/anbox/ubuntu/platform_policy.h
index 62d69f5..ea1b403 100644
--- a/src/anbox/ubuntu/platform_policy.h
+++ b/src/anbox/ubuntu/platform_policy.h
@@ -19,7 +19,7 @@
 #define ANBOX_UBUNTU_PLATFORM_POLICY_H_
 
 #include "anbox/ubuntu/window.h"
-#include "anbox/platform/policy.h"
+#include "anbox/platform/base_platform.h"
 
 #include "anbox/graphics/emugl/DisplayManager.h"
 
@@ -40,7 +40,7 @@ class Manager;
 } // namespace wm
 namespace ubuntu {
 class PlatformPolicy : public std::enable_shared_from_this<PlatformPolicy>,
-                       public platform::Policy,
+                       public platform::BasePlatform,
                        public Window::Observer {
  public:
   PlatformPolicy(const std::shared_ptr<input::Manager> &input_manager,
diff --git a/src/anbox/wm/multi_window_manager.cpp b/src/anbox/wm/multi_window_manager.cpp
index 04806f3..b48f5d2 100644
--- a/src/anbox/wm/multi_window_manager.cpp
+++ b/src/anbox/wm/multi_window_manager.cpp
@@ -17,7 +17,7 @@
 
 #include "anbox/application/database.h"
 #include "anbox/wm/multi_window_manager.h"
-#include "anbox/platform/policy.h"
+#include "anbox/platform/base_platform.h"
 #include "anbox/bridge/android_api_stub.h"
 #include "anbox/logger.h"
 
@@ -25,10 +25,10 @@
 
 namespace anbox {
 namespace wm {
-MultiWindowManager::MultiWindowManager(const std::weak_ptr<platform::Policy> &policy,
+MultiWindowManager::MultiWindowManager(const std::weak_ptr<platform::BasePlatform> &platform,
                                        const std::shared_ptr<bridge::AndroidApiStub> &android_api_stub,
                                        const std::shared_ptr<application::Database> &app_db)
-    : platform_policy_(policy), android_api_stub_(android_api_stub), app_db_(app_db) {}
+    : platform_(platform), android_api_stub_(android_api_stub), app_db_(app_db) {}
 
 MultiWindowManager::~MultiWindowManager() {}
 
@@ -67,7 +67,7 @@ void MultiWindowManager::apply_window_state_update(const WindowState::List &upda
     if (app.valid())
       title = app.name;
 
-    if (auto p = platform_policy_.lock()) {
+    if (auto p = platform_.lock()) {
       auto w = p->create_window(window.task(), window.frame(), title);
       if (w) {
         w->attach();
diff --git a/src/anbox/wm/multi_window_manager.h b/src/anbox/wm/multi_window_manager.h
index 845986c..3af0ce9 100644
--- a/src/anbox/wm/multi_window_manager.h
+++ b/src/anbox/wm/multi_window_manager.h
@@ -32,12 +32,12 @@ namespace bridge {
 class AndroidApiStub;
 } // namespace bridge
 namespace platform {
-class Policy;
+class BasePlatform;
 } // namespace platform
 namespace wm {
 class MultiWindowManager : public Manager {
  public:
-  MultiWindowManager(const std::weak_ptr<platform::Policy> &policy,
+  MultiWindowManager(const std::weak_ptr<platform::BasePlatform> &platform,
                      const std::shared_ptr<bridge::AndroidApiStub> &android_api_stub,
                      const std::shared_ptr<application::Database> &app_db);
   ~MultiWindowManager();
@@ -53,7 +53,7 @@ class MultiWindowManager : public Manager {
 
  private:
   std::mutex mutex_;
-  std::weak_ptr<platform::Policy> platform_policy_;
+  std::weak_ptr<platform::BasePlatform> platform_;
   std::shared_ptr<bridge::AndroidApiStub> android_api_stub_;
   std::shared_ptr<application::Database> app_db_;
   std::map<Task::Id, std::shared_ptr<Window>> windows_;
diff --git a/src/anbox/wm/single_window_manager.cpp b/src/anbox/wm/single_window_manager.cpp
index 10dd8f9..b8937cb 100644
--- a/src/anbox/wm/single_window_manager.cpp
+++ b/src/anbox/wm/single_window_manager.cpp
@@ -16,7 +16,7 @@
  */
 
 #include "anbox/wm/single_window_manager.h"
-#include "anbox/platform/policy.h"
+#include "anbox/platform/base_platform.h"
 #include "anbox/logger.h"
 
 #include <algorithm>
@@ -26,15 +26,15 @@
 
 namespace anbox {
 namespace wm {
-SingleWindowManager::SingleWindowManager(const std::weak_ptr<platform::Policy> &policy,
+SingleWindowManager::SingleWindowManager(const std::weak_ptr<platform::BasePlatform> &platform,
                                          const graphics::Rect &window_size,
                                          const std::shared_ptr<application::Database> &app_db)
-    : platform_policy_(policy), window_size_(window_size), app_db_(app_db) {}
+    : platform_(platform), window_size_(window_size), app_db_(app_db) {}
 
 SingleWindowManager::~SingleWindowManager() {}
 
 void SingleWindowManager::setup() {
-  if (auto p = platform_policy_.lock()) {
+  if (auto p = platform_.lock()) {
     window_ = p->create_window(0, window_size_, "Anbox - Android in a Box");
     if (!window_->attach())
       WARNING("Failed to attach window to renderer");
diff --git a/src/anbox/wm/single_window_manager.h b/src/anbox/wm/single_window_manager.h
index 7595776..871d809 100644
--- a/src/anbox/wm/single_window_manager.h
+++ b/src/anbox/wm/single_window_manager.h
@@ -29,13 +29,13 @@ namespace application {
 class Database;
 } // namespace application
 namespace platform {
-class Policy;
+class BasePlatform;
 } // namespace platform
 namespace wm {
 class Window;
 class SingleWindowManager : public Manager {
  public:
-  SingleWindowManager(const std::weak_ptr<platform::Policy> &policy,
+  SingleWindowManager(const std::weak_ptr<platform::BasePlatform> &platform,
                       const graphics::Rect &window_size,
                       const std::shared_ptr<application::Database> &app_db);
   ~SingleWindowManager();
@@ -52,7 +52,7 @@ class SingleWindowManager : public Manager {
   void remove_task(const Task::Id &task) override;
 
  private:
-  std::weak_ptr<platform::Policy> platform_policy_;
+  std::weak_ptr<platform::BasePlatform> platform_;
   graphics::Rect window_size_;
   std::shared_ptr<application::Database> app_db_;
   std::shared_ptr<Window> window_;
diff --git a/tests/anbox/graphics/layer_composer_tests.cpp b/tests/anbox/graphics/layer_composer_tests.cpp
index c99801b..daeee66 100644
--- a/tests/anbox/graphics/layer_composer_tests.cpp
+++ b/tests/anbox/graphics/layer_composer_tests.cpp
@@ -21,7 +21,7 @@
 #include <gtest/gtest.h>
 
 #include "anbox/application/database.h"
-#include "anbox/platform/default_policy.h"
+#include "anbox/platform/base_platform.h"
 #include "anbox/wm/multi_window_manager.h"
 #include "anbox/wm/window_state.h"
 
@@ -45,9 +45,9 @@ TEST(LayerComposer, FindsNoSuitableWindowForLayer) {
 
   // The default policy will create a dumb window instance when requested
   // from the manager.
-  auto platform_policy = std::make_shared<platform::DefaultPolicy>();
+  auto platform = platform::create();
   auto app_db = std::make_shared<application::Database>();
-  auto wm = std::make_shared<wm::MultiWindowManager>(platform_policy, nullptr, app_db);
+  auto wm = std::make_shared<wm::MultiWindowManager>(platform, nullptr, app_db);
 
   auto single_window = wm::WindowState{
       wm::Display::Id{1},
@@ -79,9 +79,9 @@ TEST(LayerComposer, MapsLayersToWindows) {
 
   // The default policy will create a dumb window instance when requested
   // from the manager.
-  auto platform_policy = std::make_shared<platform::DefaultPolicy>();
+  auto platform = platform::create();
   auto app_db = std::make_shared<application::Database>();
-  auto wm = std::make_shared<wm::MultiWindowManager>(platform_policy, nullptr, app_db);
+  auto wm = std::make_shared<wm::MultiWindowManager>(platform, nullptr, app_db);
 
   auto first_window = wm::WindowState{
       wm::Display::Id{1},
@@ -139,9 +139,9 @@ TEST(LayerComposer, WindowPartiallyOffscreen) {
 
   // The default policy will create a dumb window instance when requested
   // from the manager.
-  auto platform_policy = std::make_shared<platform::DefaultPolicy>();
+  auto platform = platform::create();
   auto app_db = std::make_shared<application::Database>();
-  auto wm = std::make_shared<wm::MultiWindowManager>(platform_policy, nullptr, app_db);
+  auto wm = std::make_shared<wm::MultiWindowManager>(platform, nullptr, app_db);
 
   auto window = wm::WindowState{
       wm::Display::Id{1},
@@ -184,9 +184,9 @@ TEST(LayerComposer, PopupShouldNotCauseWindowLayerOffset) {
 
   // The default policy will create a dumb window instance when requested
   // from the manager.
-  auto platform_policy = std::make_shared<platform::DefaultPolicy>();
+  auto platform = platform::create();
   auto app_db = std::make_shared<application::Database>();
-  auto wm = std::make_shared<wm::MultiWindowManager>(platform_policy, nullptr, app_db);
+  auto wm = std::make_shared<wm::MultiWindowManager>(platform, nullptr, app_db);
 
   auto window = wm::WindowState{
       wm::Display::Id{1},