app.cc revision 03b57e008b61dfcb1fbad3aea950ae0e001748b0 
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 "base/bind.h"
6#include "mojo/examples/wm_flow/app/embedder.mojom.h"
7#include "mojo/examples/wm_flow/embedded/embeddee.mojom.h"
8#include "mojo/public/cpp/application/application_connection.h"
9#include "mojo/public/cpp/application/application_delegate.h"
10#include "mojo/public/cpp/application/application_impl.h"
11#include "mojo/public/cpp/application/connect.h"
12#include "mojo/public/cpp/application/interface_factory_impl.h"
13#include "mojo/public/cpp/application/service_provider_impl.h"
14#include "mojo/public/interfaces/application/service_provider.mojom.h"
15#include "mojo/services/public/cpp/view_manager/view.h"
16#include "mojo/services/public/cpp/view_manager/view_manager.h"
17#include "mojo/services/public/cpp/view_manager/view_manager_client_factory.h"
18#include "mojo/services/public/cpp/view_manager/view_manager_delegate.h"
19#include "mojo/services/public/cpp/view_manager/view_observer.h"
20#include "mojo/services/public/interfaces/view_manager/view_manager.mojom.h"
21
22namespace examples {
23namespace {
24void ConnectCallback(bool success) {}
25
26const SkColor kColors[] = { SK_ColorRED, SK_ColorGREEN, SK_ColorYELLOW };
27
28class EmbedderImpl : public mojo::InterfaceImpl<Embedder> {
29 public:
30  EmbedderImpl() {}
31  virtual ~EmbedderImpl() {}
32
33 private:
34  // Overridden from Embedder:
35  virtual void HelloWorld(const mojo::Callback<void()>& callback) OVERRIDE {
36    callback.Run();
37  }
38
39  DISALLOW_COPY_AND_ASSIGN(EmbedderImpl);
40};
41
42}  // namespace
43
44// This app starts its life via Connect() rather than by being embed, so it does
45// not start with a connection to the ViewManager service. It has to obtain a
46// connection by connecting to the ViewManagerInit service and asking to be
47// embed without a view context.
48class WMFlowApp : public mojo::ApplicationDelegate,
49                  public mojo::ViewManagerDelegate,
50                  public mojo::ViewObserver {
51 public:
52  WMFlowApp()
53      : embed_count_(0),
54        view_manager_client_factory_(this),
55        app_(NULL) {}
56  virtual ~WMFlowApp() {}
57
58 private:
59  // Overridden from Application:
60  virtual void Initialize(mojo::ApplicationImpl* app) MOJO_OVERRIDE {
61    app_ = app;
62    OpenNewWindow();
63    OpenNewWindow();
64    OpenNewWindow();
65  }
66  virtual bool ConfigureIncomingConnection(
67      mojo::ApplicationConnection* connection) MOJO_OVERRIDE {
68    connection->AddService(&view_manager_client_factory_);
69    return true;
70  }
71
72  void OnConnect(bool success) {}
73
74  // Overridden from mojo::ViewManagerDelegate:
75  virtual void OnEmbed(
76      mojo::ViewManager* view_manager,
77      mojo::View* root,
78      mojo::ServiceProviderImpl* exported_services,
79      scoped_ptr<mojo::ServiceProvider> imported_services) MOJO_OVERRIDE {
80    root->AddObserver(this);
81    root->SetColor(kColors[embed_count_++ % arraysize(kColors)]);
82
83    mojo::View* embed = mojo::View::Create(view_manager);
84    root->AddChild(embed);
85    gfx::Rect bounds = gfx::Rect(root->bounds().size());
86    bounds.Inset(25, 25);
87    embed->SetBounds(bounds);
88
89    scoped_ptr<mojo::ServiceProviderImpl> registry(
90        new mojo::ServiceProviderImpl);
91    // Expose some services to the embeddee...
92    registry->AddService(&embedder_factory_);
93    scoped_ptr<mojo::ServiceProvider> imported =
94        embed->Embed("mojo:mojo_wm_flow_embedded", registry.Pass());
95    mojo::ConnectToService(imported.get(), &embeddee_);
96    embeddee_->HelloBack(base::Bind(&WMFlowApp::HelloBackAck,
97                                    base::Unretained(this)));
98  }
99  virtual void OnViewManagerDisconnected(
100      mojo::ViewManager* view_manager) MOJO_OVERRIDE {}
101
102  // Overridden from mojo::ViewObserver:
103  virtual void OnViewInputEvent(mojo::View* view,
104                                const mojo::EventPtr& event) MOJO_OVERRIDE {
105    if (event->action == mojo::EVENT_TYPE_MOUSE_RELEASED &&
106        event->flags & mojo::EVENT_FLAGS_LEFT_MOUSE_BUTTON) {
107      OpenNewWindow();
108    }
109  }
110  virtual void OnViewDestroyed(mojo::View* view) MOJO_OVERRIDE {
111    --embed_count_;
112    view->RemoveObserver(this);
113  }
114
115  void HelloBackAck() {
116    printf("HelloBack() ack'ed\n");
117  }
118
119  void OpenNewWindow() {
120    mojo::ViewManagerInitServicePtr init_svc;
121    app_->ConnectToService("mojo:mojo_view_manager", &init_svc);
122    mojo::ServiceProviderPtr sp;
123    init_svc->Embed("mojo:mojo_wm_flow_app", sp.Pass(),
124                    base::Bind(&ConnectCallback));
125  }
126
127  int embed_count_;
128  mojo::ViewManagerClientFactory view_manager_client_factory_;
129  mojo::InterfaceFactoryImpl<EmbedderImpl> embedder_factory_;
130  EmbeddeePtr embeddee_;
131  mojo::ApplicationImpl* app_;
132
133  DISALLOW_COPY_AND_ASSIGN(WMFlowApp);
134};
135
136}  // namespace examples
137
138namespace mojo {
139
140// static
141ApplicationDelegate* ApplicationDelegate::Create() {
142  return new examples::WMFlowApp;
143}
144
145}  // namespace
146