ui/ozone/platform/cast/ozone_platform_cast.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/ozone/platform/cast/ozone_platform_cast.h"
   6
   7 #include "base/command_line.h"
   8 #include "chromecast/public/cast_egl_platform.h"
   9 #include "chromecast/public/cast_egl_platform_shlib.h"
  10 #include "ui/ozone/common/native_display_delegate_ozone.h"
  11 #include "ui/ozone/platform/cast/gpu_platform_support_cast.h"
  12 #include "ui/ozone/platform/cast/platform_window_cast.h"
  13 #include "ui/ozone/platform/cast/surface_factory_cast.h"
  14 #include "ui/ozone/public/cursor_factory_ozone.h"
  15 #include "ui/ozone/public/gpu_platform_support_host.h"
  16 #include "ui/ozone/public/input_controller.h"
  17 #include "ui/ozone/public/ozone_platform.h"
  18 #include "ui/ozone/public/system_input_injector.h"
  19
  20 using chromecast::CastEglPlatform;
  21
  22 namespace ui {
  23 namespace {
  24
  25 // Ozone platform implementation for Cast.  Implements functionality
  26 // common to all Cast implementations:
  27 //  - Always one window with window size equal to display size
  28 //  - No input, cursor support
  29 //  - Relinquish GPU resources flow for switching to external applications
  30 // Meanwhile, platform-specific implementation details are abstracted out
  31 // to the CastEglPlatform interface.
  32 class OzonePlatformCast : public OzonePlatform {
  33  public:
  34   explicit OzonePlatformCast(scoped_ptr<CastEglPlatform> egl_platform)
  35       : egl_platform_(egl_platform.Pass()) {}
  36   ~OzonePlatformCast() override {}
  37
  38   // OzonePlatform implementation:
  39   SurfaceFactoryOzone* GetSurfaceFactoryOzone() override {
  40     return surface_factory_.get();
  41   }
  42   CursorFactoryOzone* GetCursorFactoryOzone() override {
  43     return cursor_factory_.get();
  44   }
  45   InputController* GetInputController() override {
  46     return input_controller_.get();
  47   }
  48   GpuPlatformSupport* GetGpuPlatformSupport() override {
  49     return gpu_platform_support_.get();
  50   }
  51   GpuPlatformSupportHost* GetGpuPlatformSupportHost() override {
  52     return gpu_platform_support_host_.get();
  53   }
  54   scoped_ptr<SystemInputInjector> CreateSystemInputInjector() override {
  55     return nullptr;  // no input injection support
  56   }
  57   scoped_ptr<PlatformWindow> CreatePlatformWindow(
  58       PlatformWindowDelegate* delegate,
  59       const gfx::Rect& bounds) override {
  60     return make_scoped_ptr<PlatformWindow>(
  61         new PlatformWindowCast(delegate, bounds));
  62   }
  63   scoped_ptr<NativeDisplayDelegate> CreateNativeDisplayDelegate() override {
  64     return make_scoped_ptr(new NativeDisplayDelegateOzone());
  65   }
  66
  67   void InitializeUI() override {
  68     if (!surface_factory_) {
  69       surface_factory_.reset(new SurfaceFactoryCast(egl_platform_.Pass()));
  70     }
  71     cursor_factory_.reset(new CursorFactoryOzone());
  72     input_controller_ = CreateStubInputController();
  73     gpu_platform_support_host_.reset(CreateStubGpuPlatformSupportHost());
  74   }
  75   void InitializeGPU() override {
  76     if (!surface_factory_) {
  77       surface_factory_.reset(new SurfaceFactoryCast(egl_platform_.Pass()));
  78     }
  79     gpu_platform_support_.reset(
  80         new GpuPlatformSupportCast(surface_factory_.get()));
  81   }
  82
  83  private:
  84   scoped_ptr<CastEglPlatform> egl_platform_;
  85   scoped_ptr<SurfaceFactoryCast> surface_factory_;
  86   scoped_ptr<CursorFactoryOzone> cursor_factory_;
  87   scoped_ptr<InputController> input_controller_;
  88   scoped_ptr<GpuPlatformSupportCast> gpu_platform_support_;
  89   scoped_ptr<GpuPlatformSupportHost> gpu_platform_support_host_;
  90
  91   DISALLOW_COPY_AND_ASSIGN(OzonePlatformCast);
  92 };
  93
  94 }  // namespace
  95
  96 OzonePlatform* CreateOzonePlatformCast() {
  97   const std::vector<std::string>& argv =
  98       base::CommandLine::ForCurrentProcess()->argv();
  99   scoped_ptr<chromecast::CastEglPlatform> platform(
 100       chromecast::CastEglPlatformShlib::Create(argv));
 101   return new OzonePlatformCast(platform.Pass());
 102 }
 103
 104 }  // namespace ui