Merge pull request #326 from morphis/f/platform-abstract

Refactor platform abstraction layer

src/CMakeLists.txt

@@ -164,8 +164,15 @@ 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/platform/sdl/sdl_wrapper.h
+    anbox/platform/sdl/window.cpp
+    anbox/platform/sdl/keycode_converter.cpp
+    anbox/platform/sdl/platform.cpp
+    anbox/platform/sdl/audio_sink.cpp
 
     anbox/input/manager.cpp
     anbox/input/device.cpp
@@ -187,11 +194,6 @@ set(SOURCES
     anbox/bridge/platform_api_skeleton.cpp
     anbox/bridge/android_api_stub.cpp
 
-    anbox/ubuntu/window.cpp
-    anbox/ubuntu/keycode_converter.cpp
-    anbox/ubuntu/platform_policy.cpp
-    anbox/ubuntu/audio_sink.cpp
-
     anbox/dbus/interface.h
     anbox/dbus/codecs.h
     anbox/dbus/skeleton/service.cpp

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;

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_;

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);
 

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_;

src/anbox/cmds/session_manager.cpp

@@ -45,7 +45,7 @@ std::istream& operator>>(std::istream& in, anbox::graphics::GLRendererServer::Co
 #include "anbox/rpc/channel.h"
 #include "anbox/rpc/connection_creator.h"
 #include "anbox/runtime.h"
-#include "anbox/ubuntu/platform_policy.h"
+#include "anbox/platform/base_platform.h"
 #include "anbox/wm/multi_window_manager.h"
 #include "anbox/wm/single_window_manager.h"
 
@@ -176,25 +176,30 @@ 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 = platform::create(utils::get_env_value("ANBOX_PLATFORM", "sdl"),
+                                     input_manager,
+                                     display_frame,
+                                     single_window_);
+    if (!platform)
+      return EXIT_FAILURE;
 
     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 +224,7 @@ 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);

src/anbox/platform/base_platform.cpp

+/*
+ * Copyright (C) 2016 Simon Fels <morphis@gravedo.de>
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 3, as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranties of
+ * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "anbox/platform/base_platform.h"
+#include "anbox/platform/null/platform.h"
+#include "anbox/platform/sdl/platform.h"
+#include "anbox/logger.h"
+
+namespace anbox {
+namespace platform {
+std::shared_ptr<BasePlatform> create(const std::string &name,
+                                     const std::shared_ptr<input::Manager> &input_manager,
+                                     const graphics::Rect &display_frame,
+                                     bool single_window) {
+  if (name.empty())
+    return std::make_shared<NullPlatform>();
+
+  if (name == "sdl")
+    return std::make_shared<sdl::Platform>(input_manager, display_frame, single_window);
+
+  WARNING("Unsupported platfrom '%s'", name);
+
+  return nullptr;
+}
+} // namespace platform
+} // namespace anbox

src/anbox/platform/policy.h → src/anbox/platform/base_platform.h

@@ -23,6 +23,8 @@
 
 #include <memory>
 
+class Renderer;
+
 namespace anbox {
 namespace audio {
 class Sink;
@@ -30,11 +32,15 @@ class Source;
 } // namespace audio
 namespace wm {
 class Window;
+class Manager;
 } // namespace wm
+namespace input {
+class Manager;
+} // namespace input
 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;
 
@@ -47,8 +53,15 @@ class Policy {
 
   virtual std::shared_ptr<audio::Sink> create_audio_sink() = 0;
   virtual std::shared_ptr<audio::Source> create_audio_source() = 0;
+
+  virtual void set_renderer(const std::shared_ptr<Renderer> &renderer) = 0;
+  virtual void set_window_manager(const std::shared_ptr<wm::Manager> &window_manager) = 0;
 };
-}  // namespace wm
+std::shared_ptr<BasePlatform> create(const std::string &name = "",
+                                     const std::shared_ptr<input::Manager> &input_manager = nullptr,
+                                     const graphics::Rect &display_frame = graphics::Rect::Invalid,
+                                     bool single_window = false);
+}  // namespace platform
 }  // namespace anbox
 
 #endif

src/anbox/platform/default_policy.cpp → 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"
 
@@ -31,31 +31,41 @@ 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;
 }
+
+void NullPlatform::set_renderer(const std::shared_ptr<Renderer> &renderer) {
+  (void) renderer;
+  ERROR("Not implemented");
+}
+
+void NullPlatform::set_window_manager(const std::shared_ptr<wm::Manager> &window_manager) {
+  (void) window_manager;
+  ERROR("Not implemented");
+}
 }  // namespace wm
 }  // namespace anbox

src/anbox/platform/default_policy.h → 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,
@@ -33,6 +33,8 @@ class DefaultPolicy : public Policy {
   ClipboardData get_clipboard_data() override;
   std::shared_ptr<audio::Sink> create_audio_sink() override;
   std::shared_ptr<audio::Source> create_audio_source() override;
+  void set_renderer(const std::shared_ptr<Renderer> &renderer) override;
+  void set_window_manager(const std::shared_ptr<wm::Manager> &window_manager) override;
 };
 }  // namespace wm
 }  // namespace anbox

src/anbox/ubuntu/audio_sink.cpp → src/anbox/platform/sdl/audio_sink.cpp

@@ -15,7 +15,7 @@
  *
  */
 
-#include "anbox/ubuntu/audio_sink.h"
+#include "anbox/platform/sdl/audio_sink.h"
 #include "anbox/logger.h"
 
 #include <stdexcept>
@@ -27,7 +27,8 @@ const constexpr size_t max_queue_size{16};
 }
 
 namespace anbox {
-namespace ubuntu {
+namespace platform {
+namespace sdl {
 AudioSink::AudioSink() :
   device_id_(0),
   queue_(max_queue_size) {
@@ -113,5 +114,6 @@ void AudioSink::write_data(const std::vector<std::uint8_t> &data) {
   graphics::Buffer buffer{data.data(), data.data() + data.size()};
   queue_.push_locked(std::move(buffer), l);
 }
-} // namespace ubuntu
+} // namespace sdl
+} // namespace platform
 } // namespace anbox

src/anbox/ubuntu/audio_sink.h → src/anbox/platform/sdl/audio_sink.h

@@ -15,18 +15,18 @@
  *
  */
 
-#ifndef ANBOX_UBUNTU_AUDIO_SINK_H_
-#define ANBOX_UBUNTU_AUDIO_SINK_H_
+#ifndef ANBOX_PLATFORM_SDL_AUDIO_SINK_H_
+#define ANBOX_PLATFORM_SDL_AUDIO_SINK_H_
 
 #include "anbox/audio/sink.h"
 #include "anbox/graphics/buffer_queue.h"
-
-#include <SDL2/SDL_audio.h>
+#include "anbox/platform/sdl/sdl_wrapper.h"
 
 #include <thread>
 
 namespace anbox {
-namespace ubuntu {
+namespace platform {
+namespace sdl {
 class AudioSink : public audio::Sink {
  public:
   AudioSink();
@@ -48,7 +48,8 @@ class AudioSink : public audio::Sink {
   graphics::Buffer read_buffer_;
   size_t read_buffer_left_ = 0;
 };
-} // namespace ubuntu
+} // namespace sdl
+} // namespace platform
 } // namespace anbox
 
 #endif

src/anbox/ubuntu/keycode_converter.cpp → src/anbox/platform/sdl/keycode_converter.cpp

@@ -16,13 +16,14 @@
  */
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wswitch-default"
-#include "anbox/ubuntu/keycode_converter.h"
+#include "anbox/platform/sdl/keycode_converter.h"
 #pragma GCC diagnostic pop
 
 #include <linux/input.h>
 
 namespace anbox {
-namespace ubuntu {
+namespace platform {
+namespace sdl {
 std::uint16_t KeycodeConverter::convert(const SDL_Scancode &scan_code) {
   for (std::uint16_t n = 0; n < code_map.size(); n++) {
     if (code_map[n] == scan_code) return n;
@@ -289,5 +290,6 @@ const std::array<SDL_Scancode, 249> KeycodeConverter::code_map = {{
                              */
     SDL_SCANCODE_UNKNOWN         /*  KEY_MICMUTE     248 Mute / unmute the microphone */
 }};
-}  // namespace ubuntu
-}  // namespace anbox
+} // namespace sdl
+} // namespace platform
+} // namespace anbox

src/anbox/ubuntu/keycode_converter.h → src/anbox/platform/sdl/keycode_converter.h

@@ -15,17 +15,18 @@
  *
  */
 
-#ifndef ANBOX_UBUNTU_KEYCODE_CONVERTER_H_
-#define ANBOX_UBUNTU_KEYCODE_CONVERTER_H_
+#ifndef ANBOX_PLATFORM_SDL_KEYCODE_CONVERTER_H_
+#define ANBOX_PLATFORM_SDL_KEYCODE_CONVERTER_H_
 
-#include <SDL_scancode.h>
+#include "anbox/platform/sdl/sdl_wrapper.h"
 
 #include <cstdint>
 
 #include <array>
 
 namespace anbox {
-namespace ubuntu {
+namespace platform {
+namespace sdl {
 class KeycodeConverter {
  public:
   static std::uint16_t convert(const SDL_Scancode &scan_code);
@@ -33,7 +34,8 @@ class KeycodeConverter {
  private:
   static const std::array<SDL_Scancode, 249> code_map;
 };
-}  // namespace ubuntu
-}  // namespace anbox
+} // namespace sdl
+} // namespace platform
+} // namespace anbox
 
 #endif

src/anbox/ubuntu/mir_display_connection.cpp → src/anbox/platform/sdl/mir_display_connection.cpp

@@ -14,7 +14,7 @@
  * with this program.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
-#include "anbox/ubuntu/mir_display_connection.h"
+#include "anbox/platform/sdlmir_display_connection.h"
 #include "anbox/logger.h"
 
 #include <boost/throw_exception.hpp>
@@ -43,7 +43,7 @@ static const MirDisplayOutput *find_active_output(
 }
 
 namespace anbox {
-namespace ubuntu {
+namespace sdl {
 MirDisplayConnection::MirDisplayConnection()
     : connection_(nullptr),
       output_id_(-1),
@@ -119,5 +119,5 @@ int MirDisplayConnection::vertical_resolution() const {
 int MirDisplayConnection::horizontal_resolution() const {
   return horizontal_resolution_;
 }
-}  // namespace ubuntu
+}  // namespace sdl
 }  // namespace anbox

src/anbox/ubuntu/mir_display_connection.h → src/anbox/platform/sdl/mir_display_connection.h

@@ -15,8 +15,8 @@
  *
  */
 
-#ifndef ANBOX_UBUNTU_MIR_DISPLAY_CONNECTION_H_
-#define ANBOX_UBUNTU_MIR_DISPLAY_CONNECTION_H_
+#ifndef ANBOX_PLATFORM_SDL_MIR_DISPLAY_CONNECTION_H_
+#define ANBOX_PLATFORM_SDL_MIR_DISPLAY_CONNECTION_H_
 
 #define MIR_EGL_PLATFORM
 
@@ -25,7 +25,7 @@
 #include <EGL/egl.h>
 
 namespace anbox {
-namespace ubuntu {
+namespace sdl {
 class MirDisplayConnection {
  public:
   MirDisplayConnection();
@@ -46,7 +46,7 @@ class MirDisplayConnection {
   int vertical_resolution_;
   int horizontal_resolution_;
 };
-}  // namespace ubuntu
+}  // namespace sdl
 }  // namespace anbox
 
 #endif

src/anbox/ubuntu/platform_policy.cpp → src/anbox/platform/sdl/platform.cpp

@@ -17,13 +17,13 @@
 
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wswitch-default"
-#include "anbox/ubuntu/platform_policy.h"
+#include "anbox/platform/sdl/platform.h"
 #include "anbox/input/device.h"
 #include "anbox/input/manager.h"
 #include "anbox/logger.h"
-#include "anbox/ubuntu/keycode_converter.h"
-#include "anbox/ubuntu/window.h"
-#include "anbox/ubuntu/audio_sink.h"
+#include "anbox/platform/sdl/keycode_converter.h"
+#include "anbox/platform/sdl/window.h"
+#include "anbox/platform/sdl/audio_sink.h"
 #include "anbox/wm/manager.h"
 
 #include <boost/throw_exception.hpp>
@@ -33,8 +33,9 @@
 #pragma GCC diagnostic pop
 
 namespace anbox {
-namespace ubuntu {
-PlatformPolicy::PlatformPolicy(
+namespace platform {
+namespace sdl {
+Platform::Platform(
     const std::shared_ptr<input::Manager> &input_manager,
     const graphics::Rect &static_display_frame,
     bool single_window)
@@ -92,25 +93,25 @@ PlatformPolicy::PlatformPolicy(
   keyboard_->set_key_bit(BTN_MISC);
   keyboard_->set_key_bit(KEY_OK);
 
-  event_thread_ = std::thread(&PlatformPolicy::process_events, this);
+  event_thread_ = std::thread(&Platform::process_events, this);
 }
 
-PlatformPolicy::~PlatformPolicy() {
+Platform::~Platform() {
   if (event_thread_running_) {
     event_thread_running_ = false;
     event_thread_.join();
   }
 }
 
-void PlatformPolicy::set_renderer(const std::shared_ptr<Renderer> &renderer) {
+void Platform::set_renderer(const std::shared_ptr<Renderer> &renderer) {
   renderer_ = renderer;
 }
 
-void PlatformPolicy::set_window_manager(const std::shared_ptr<wm::Manager> &window_manager) {
+void Platform::set_window_manager(const std::shared_ptr<wm::Manager> &window_manager) {
   window_manager_ = window_manager;
 }
 
-void PlatformPolicy::process_events() {
+void Platform::process_events() {
   event_thread_running_ = true;
 
   while (event_thread_running_) {
@@ -144,7 +145,7 @@ void PlatformPolicy::process_events() {
   }
 }
 
-void PlatformPolicy::process_input_event(const SDL_Event &event) {
+void Platform::process_input_event(const SDL_Event &event) {
   std::vector<input::Event> mouse_events;
   std::vector<input::Event> keyboard_events;
 
@@ -216,12 +217,12 @@ void PlatformPolicy::process_input_event(const SDL_Event &event) {
   if (keyboard_events.size() > 0) keyboard_->send_events(keyboard_events);
 }
 
-Window::Id PlatformPolicy::next_window_id() {
+Window::Id Platform::next_window_id() {
   static Window::Id next_id = 0;
   return next_id++;
 }
 
-std::shared_ptr<wm::Window> PlatformPolicy::create_window(
+std::shared_ptr<wm::Window> Platform::create_window(
     const anbox::wm::Task::Id &task, const anbox::graphics::Rect &frame, const std::string &title) {
   if (!renderer_) {
     ERROR("Can't create window without a renderer set");
@@ -234,7 +235,7 @@ std::shared_ptr<wm::Window> PlatformPolicy::create_window(
   return w;
 }
 
-void PlatformPolicy::window_deleted(const Window::Id &id) {
+void Platform::window_deleted(const Window::Id &id) {
   auto w = windows_.find(id);
   if (w == windows_.end()) {
     WARNING("Got window removed event for unknown window (id %d)", id);
@@ -245,7 +246,7 @@ void PlatformPolicy::window_deleted(const Window::Id &id) {
   windows_.erase(w);
 }
 
-void PlatformPolicy::window_wants_focus(const Window::Id &id) {
+void Platform::window_wants_focus(const Window::Id &id) {
   auto w = windows_.find(id);
   if (w == windows_.end()) return;
 
@@ -253,7 +254,7 @@ void PlatformPolicy::window_wants_focus(const Window::Id &id) {
     window_manager_->set_focused_task(window->task());
 }
 
-void PlatformPolicy::window_moved(const Window::Id &id, const std::int32_t &x,
+void Platform::window_moved(const Window::Id &id, const std::int32_t &x,
                                   const std::int32_t &y) {
   auto w = windows_.find(id);
   if (w == windows_.end()) return;
@@ -266,7 +267,7 @@ void PlatformPolicy::window_moved(const Window::Id &id, const std::int32_t &x,
   }
 }
 
-void PlatformPolicy::window_resized(const Window::Id &id,
+void Platform::window_resized(const Window::Id &id,
                                     const std::int32_t &width,
                                     const std::int32_t &height) {
   auto w = windows_.find(id);
@@ -284,13 +285,13 @@ void PlatformPolicy::window_resized(const Window::Id &id,
   }
 }
 
-void PlatformPolicy::set_clipboard_data(const ClipboardData &data) {
+void Platform::set_clipboard_data(const ClipboardData &data) {
   if (data.text.empty())
     return;
   SDL_SetClipboardText(data.text.c_str());
 }
 
-PlatformPolicy::ClipboardData PlatformPolicy::get_clipboard_data() {
+Platform::ClipboardData Platform::get_clipboard_data() {
   if (!SDL_HasClipboardText())
     return ClipboardData{};
 
@@ -303,13 +304,14 @@ PlatformPolicy::ClipboardData PlatformPolicy::get_clipboard_data() {
   return data;
 }
 
-std::shared_ptr<audio::Sink> PlatformPolicy::create_audio_sink() {
+std::shared_ptr<audio::Sink> Platform::create_audio_sink() {
   return std::make_shared<AudioSink>();
 }
 
-std::shared_ptr<audio::Source> PlatformPolicy::create_audio_source() {
+std::shared_ptr<audio::Source> Platform::create_audio_source() {
   ERROR("Not implemented");
   return nullptr;
 }
-}  // namespace wm
-}  // namespace anbox
+} // namespace sdl
+} // namespace platform
+} // namespace anbox

src/anbox/ubuntu/platform_policy.h → src/anbox/platform/sdl/platform.h

@@ -15,19 +15,17 @@
  *
  */
 
-#ifndef ANBOX_UBUNTU_PLATFORM_POLICY_H_
-#define ANBOX_UBUNTU_PLATFORM_POLICY_H_
-
-#include "anbox/ubuntu/window.h"
-#include "anbox/platform/policy.h"
+#ifndef ANBOX_PLATFORM_SDL_PLATFORM_H_
+#define ANBOX_PLATFORM_SDL_PLATFORM_H_
 
+#include "anbox/platform/sdl/window.h"
+#include "anbox/platform/sdl/sdl_wrapper.h"
+#include "anbox/platform/base_platform.h"
 #include "anbox/graphics/emugl/DisplayManager.h"
 
 #include <map>
 #include <thread>
 
-#include <SDL.h>
-
 class Renderer;
 
 namespace anbox {
@@ -38,15 +36,16 @@ class Manager;
 namespace wm {
 class Manager;
 } // namespace wm
-namespace ubuntu {
-class PlatformPolicy : public std::enable_shared_from_this<PlatformPolicy>,
-                       public platform::Policy,
+namespace platform {
+namespace sdl {
+class Platform : public std::enable_shared_from_this<Platform>,
+                       public platform::BasePlatform,
                        public Window::Observer {
  public:
-  PlatformPolicy(const std::shared_ptr<input::Manager> &input_manager,
+  Platform(const std::shared_ptr<input::Manager> &input_manager,
                  const graphics::Rect &static_display_frame = graphics::Rect::Invalid,
                  bool single_window = false);
-  ~PlatformPolicy();
+  ~Platform();
 
   std::shared_ptr<wm::Window> create_window(
       const anbox::wm::Task::Id &task,
@@ -60,8 +59,8 @@ class PlatformPolicy : public std::enable_shared_from_this<PlatformPolicy>,
   void window_resized(const Window::Id &id, const std::int32_t &width,
                       const std::int32_t &height) override;
 
-  void set_renderer(const std::shared_ptr<Renderer> &renderer);
-  void set_window_manager(const std::shared_ptr<wm::Manager> &window_manager);
+  void set_renderer(const std::shared_ptr<Renderer> &renderer) override;
+  void set_window_manager(const std::shared_ptr<wm::Manager> &window_manager) override;
 
   void set_clipboard_data(const ClipboardData &data) override;
   ClipboardData get_clipboard_data() override;
@@ -89,7 +88,8 @@ class PlatformPolicy : public std::enable_shared_from_this<PlatformPolicy>,
   bool window_size_immutable_ = false;
   bool single_window_ = false;
 };
-}  // namespace wm
-}  // namespace anbox
+} // namespace sdl
+} // namespace platform
+} // namespace anbox
 
 #endif

src/anbox/platform/policy.cpp → src/anbox/platform/sdl/sdl_wrapper.h

@@ -15,10 +15,15 @@
  *
  */
 
-#include "anbox/platform/policy.h"
+#ifndef ANBOX_PLATFORM_SDL_WRAPPER_H_
+#define ANBOX_PLATFORM_SDL_WRAPPER_H_
 
-namespace anbox {
-namespace platform {
-Policy::~Policy() {}
-}  // namespace wm
-}  // namespace anbox
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wswitch-default"
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_audio.h>
+#include <SDL2/SDL_syswm.h>
+#include <SDL2/SDL_scancode.h>
+#pragma GCC diagnostic pop
+
+#endif

src/anbox/ubuntu/window.cpp → src/anbox/platform/sdl/window.cpp

@@ -15,9 +15,7 @@
  *
  */
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wswitch-default"
-#include "anbox/ubuntu/window.h"
+#include "anbox/platform/sdl/window.h"
 #include "anbox/logger.h"
 #include "anbox/wm/window_state.h"
 
@@ -27,11 +25,9 @@
 #include <mir_toolkit/mir_client_library.h>
 #endif
 
-#include <SDL_syswm.h>
-#pragma GCC diagnostic pop
-
 namespace anbox {
-namespace ubuntu {
+namespace platform {
+namespace sdl {
 Window::Id Window::Invalid{-1};
 
 Window::Observer::~Observer() {}
@@ -129,5 +125,6 @@ EGLNativeWindowType Window::native_handle() const { return native_window_; }
 Window::Id Window::id() const { return id_; }
 
 std::uint32_t Window::window_id() const { return SDL_GetWindowID(window_); }
-}  // namespace bridge
-}  // namespace anbox
+} // namespace sdl
+} // namespace platform
+} // namespace anbox

src/anbox/ubuntu/window.h → src/anbox/platform/sdl/window.h

@@ -15,22 +15,22 @@
  *
  */
 
-#ifndef ANBOX_UBUNTU_WINDOW_H_
-#define ANBOX_UBUNTU_WINDOW_H_
+#ifndef ANBOX_PLATFORM_SDL_WINDOW_H_
+#define ANBOX_PLATFORM_SDL_WINDOW_H_
 
 #include "anbox/wm/window.h"
+#include "anbox/platform/sdl/sdl_wrapper.h"
 
 #include <EGL/egl.h>
 
 #include <memory>
 #include <vector>
 
-#include <SDL.h>
-
 class Renderer;
 
 namespace anbox {
-namespace ubuntu {
+namespace platform {
+namespace sdl {
 class Window : public std::enable_shared_from_this<Window>, public wm::Window {
  public:
   typedef std::int32_t Id;
@@ -68,7 +68,8 @@ class Window : public std::enable_shared_from_this<Window>, public wm::Window {
   EGLNativeWindowType native_window_;
   SDL_Window *window_;
 };
-}  // namespace bridge
-}  // namespace anbox
+} // namespace sdl
+} // namespace platform
+} // namespace anbox
 
 #endif

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();

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_;

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");

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_;

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},