src/chromecast/service/cast_service_simple.cc

   1 // Copyright 2014 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 "chromecast/service/cast_service_simple.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/files/file_path.h"
   9 #include "base/macros.h"
  10 #include "content/public/browser/render_view_host.h"
  11 #include "content/public/browser/web_contents.h"
  12 #include "net/base/filename_util.h"
  13 #include "net/url_request/url_request_context_getter.h"
  14 #include "ui/aura/env.h"
  15 #include "ui/aura/layout_manager.h"
  16 #include "ui/aura/test/test_screen.h"
  17 #include "ui/aura/window.h"
  18 #include "ui/aura/window_tree_host.h"
  19 #include "ui/gfx/size.h"
  20 #include "url/gurl.h"
  21
  22 namespace chromecast {
  23
  24 namespace {
  25
  26 GURL GetStartupURL() {
  27   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
  28   const base::CommandLine::StringVector& args = command_line->GetArgs();
  29
  30   if (args.empty())
  31     return GURL("http://www.google.com/");
  32
  33   GURL url(args[0]);
  34   if (url.is_valid() && url.has_scheme())
  35     return url;
  36
  37   return net::FilePathToFileURL(base::FilePath(args[0]));
  38 }
  39
  40 class FillLayout : public aura::LayoutManager {
  41  public:
  42   explicit FillLayout(aura::Window* root) : root_(root) {}
  43   virtual ~FillLayout() {}
  44
  45  private:
  46   // aura::LayoutManager:
  47   virtual void OnWindowResized() OVERRIDE {}
  48
  49   virtual void OnWindowAddedToLayout(aura::Window* child) OVERRIDE {
  50     child->SetBounds(root_->bounds());
  51   }
  52
  53   virtual void OnWillRemoveWindowFromLayout(aura::Window* child) OVERRIDE {}
  54
  55   virtual void OnWindowRemovedFromLayout(aura::Window* child) OVERRIDE {}
  56
  57   virtual void OnChildWindowVisibilityChanged(aura::Window* child,
  58                                               bool visible) OVERRIDE {}
  59
  60   virtual void SetChildBounds(aura::Window* child,
  61                               const gfx::Rect& requested_bounds) OVERRIDE {
  62     SetChildBoundsDirect(child, requested_bounds);
  63   }
  64
  65   aura::Window* root_;
  66
  67   DISALLOW_COPY_AND_ASSIGN(FillLayout);
  68 };
  69
  70 }  // namespace
  71
  72 // static
  73 CastService* CastService::Create(
  74     content::BrowserContext* browser_context,
  75     net::URLRequestContextGetter* request_context_getter) {
  76   return new CastServiceSimple(browser_context);
  77 }
  78
  79 CastServiceSimple::CastServiceSimple(content::BrowserContext* browser_context)
  80     : CastService(browser_context) {
  81 }
  82
  83 CastServiceSimple::~CastServiceSimple() {
  84 }
  85
  86 void CastServiceSimple::Initialize() {
  87 }
  88
  89 void CastServiceSimple::StartInternal() {
  90   // Aura initialization
  91   gfx::Size initial_size = gfx::Size(1280, 720);
  92   // TODO(lcwu): http://crbug.com/391074. Chromecast only needs a minimal
  93   // implementation of gfx::screen and aura's TestScreen will do for now.
  94   // Change the code to use ozone's screen implementation when it is ready.
  95   aura::TestScreen* screen = aura::TestScreen::Create(initial_size);
  96   gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, screen);
  97   CHECK(aura::Env::GetInstance());
  98   window_tree_host_.reset(
  99       aura::WindowTreeHost::Create(gfx::Rect(initial_size)));
 100   window_tree_host_->InitHost();
 101   window_tree_host_->window()->SetLayoutManager(
 102       new FillLayout(window_tree_host_->window()));
 103   window_tree_host_->Show();
 104
 105   // Create a WebContents
 106   content::WebContents::CreateParams create_params(browser_context(), NULL);
 107   create_params.routing_id = MSG_ROUTING_NONE;
 108   create_params.initial_size = initial_size;
 109   web_contents_.reset(content::WebContents::Create(create_params));
 110
 111   // Add and show content's view/window
 112   aura::Window* content_window = web_contents_->GetNativeView();
 113   aura::Window* parent = window_tree_host_->window();
 114   if (!parent->Contains(content_window)) {
 115     parent->AddChild(content_window);
 116   }
 117   content_window->Show();
 118
 119   web_contents_->GetController().LoadURL(GetStartupURL(),
 120                                          content::Referrer(),
 121                                          ui::PAGE_TRANSITION_TYPED,
 122                                          std::string());
 123 }
 124
 125 void CastServiceSimple::StopInternal() {
 126   web_contents_->GetRenderViewHost()->ClosePage();
 127   window_tree_host_.reset();
 128   gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, NULL);
 129   aura::Env::DeleteInstance();
 130   web_contents_.reset();
 131 }
 132
 133 }  // namespace chromecast