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