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Issue 223143003: Initial checkin of chromecast content embedder (cast_shell) and related build scripts. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Modified to use aura and ozone for cast shell. Created 6 years, 5 months ago
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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.h"
6
7 #include "base/command_line.h"
8 #include "base/files/file_path.h"
9 #include "base/threading/thread_checker.h"
10 #include "chromecast/ui/gfx/screen_cast.h"
11 #include "content/public/browser/render_view_host.h"
12 #include "content/public/browser/web_contents.h"
13 #include "net/base/filename_util.h"
14 #include "ui/aura/env.h"
15 #include "ui/aura/layout_manager.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 CastService::CastService(content::BrowserContext* browser_context)
72 : browser_context_(browser_context),
73 stopped_(true),
74 thread_checker_(new base::ThreadChecker()) {
75 }
76
77 CastService::~CastService() {
78 DCHECK(thread_checker_->CalledOnValidThread());
79 DCHECK(stopped_);
80 }
81
82 void CastService::Initialize() {
83 PlatformInitialize();
84 }
85
86 void CastService::Start() {
87 DCHECK(thread_checker_->CalledOnValidThread());
88
89 Initialize();
90
91 // Aura initialization
92 gfx::Size initial_size = gfx::Size(1280, 720);
93 ScreenCast* screen = ScreenCast::Create(initial_size);
94 gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, screen);
95 CHECK(aura::Env::GetInstance());
96 window_tree_host_.reset(
97 aura::WindowTreeHost::Create(gfx::Rect(initial_size)));
98 window_tree_host_->InitHost();
99 window_tree_host_->window()->SetLayoutManager(
100 new FillLayout(window_tree_host_->window()));
101 window_tree_host_->Show();
102
103 // Create a WebContents
104 content::WebContents::CreateParams create_params(browser_context_, NULL);
105 create_params.routing_id = MSG_ROUTING_NONE;
106 create_params.initial_size = initial_size;
107 // TODO(lcwu): Before we pull in the Chromecast's application management
108 // code, we (temporarily) create a webcontents object here. Once the
109 // application management code is here, a new webcontents object (and
110 // hence the renderer) will be created whenever a new application is
111 // launched, regarless of whether the new app has the same domain as the
112 // previous one.
113 web_contents_.reset(content::WebContents::Create(create_params));
114
115 // Add and show content's view/window
116 aura::Window* content_window = web_contents_->GetNativeView();
117 aura::Window* parent = window_tree_host_->window();
118 if (!parent->Contains(content_window)) {
119 parent->AddChild(content_window);
120 }
121 content_window->Show();
122
123 web_contents_->GetController().LoadURL(GetStartupURL(),
124 content::Referrer(),
125 content::PAGE_TRANSITION_TYPED,
126 std::string());
127
128 stopped_ = false;
129 }
130
131 void CastService::Stop() {
132 DCHECK(thread_checker_->CalledOnValidThread());
133
134 web_contents_->GetRenderViewHost()->ClosePage();
135 window_tree_host_.reset();
136 gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, NULL);
137 aura::Env::DeleteInstance();
138 web_contents_.reset();
139 stopped_ = true;
140 }
141
142 } // namespace chromecast
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