Upstream version 10.39.225.0
[platform/framework/web/crosswalk.git] / src / mojo / examples / aura_demo / aura_demo.cc
1 // Copyright 2013 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 <stdio.h>
6 #include <string>
7
8 #include "base/bind.h"
9 #include "mojo/application/application_runner_chromium.h"
10 #include "mojo/aura/context_factory_mojo.h"
11 #include "mojo/aura/screen_mojo.h"
12 #include "mojo/aura/window_tree_host_mojo.h"
13 #include "mojo/aura/window_tree_host_mojo_delegate.h"
14 #include "mojo/public/c/system/main.h"
15 #include "mojo/public/cpp/application/application_connection.h"
16 #include "mojo/public/cpp/application/application_delegate.h"
17 #include "mojo/public/cpp/application/application_impl.h"
18 #include "mojo/public/cpp/system/core.h"
19 #include "mojo/services/public/cpp/view_manager/view.h"
20 #include "mojo/services/public/cpp/view_manager/view_manager.h"
21 #include "mojo/services/public/cpp/view_manager/view_manager_client_factory.h"
22 #include "mojo/services/public/cpp/view_manager/view_manager_delegate.h"
23 #include "mojo/services/public/interfaces/native_viewport/native_viewport.mojom.h"
24 #include "ui/aura/client/default_capture_client.h"
25 #include "ui/aura/client/window_tree_client.h"
26 #include "ui/aura/env.h"
27 #include "ui/aura/window.h"
28 #include "ui/aura/window_delegate.h"
29 #include "ui/base/hit_test.h"
30 #include "ui/gfx/canvas.h"
31 #include "ui/gfx/codec/png_codec.h"
32
33 namespace examples {
34
35 // Trivial WindowDelegate implementation that draws a colored background.
36 class DemoWindowDelegate : public aura::WindowDelegate {
37  public:
38   explicit DemoWindowDelegate(SkColor color) : color_(color) {}
39
40   // Overridden from WindowDelegate:
41   virtual gfx::Size GetMinimumSize() const OVERRIDE {
42     return gfx::Size();
43   }
44
45   virtual gfx::Size GetMaximumSize() const OVERRIDE {
46     return gfx::Size();
47   }
48
49   virtual void OnBoundsChanged(const gfx::Rect& old_bounds,
50                                const gfx::Rect& new_bounds) OVERRIDE {}
51   virtual gfx::NativeCursor GetCursor(const gfx::Point& point) OVERRIDE {
52     return gfx::kNullCursor;
53   }
54   virtual int GetNonClientComponent(const gfx::Point& point) const OVERRIDE {
55     return HTCAPTION;
56   }
57   virtual bool ShouldDescendIntoChildForEventHandling(
58       aura::Window* child,
59       const gfx::Point& location) OVERRIDE {
60     return true;
61   }
62   virtual bool CanFocus() OVERRIDE { return true; }
63   virtual void OnCaptureLost() OVERRIDE {}
64   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE {
65     canvas->DrawColor(color_, SkXfermode::kSrc_Mode);
66   }
67   virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE {}
68   virtual void OnWindowDestroying(aura::Window* window) OVERRIDE {}
69   virtual void OnWindowDestroyed(aura::Window* window) OVERRIDE {}
70   virtual void OnWindowTargetVisibilityChanged(bool visible) OVERRIDE {}
71   virtual bool HasHitTestMask() const OVERRIDE { return false; }
72   virtual void GetHitTestMask(gfx::Path* mask) const OVERRIDE {}
73
74  private:
75   const SkColor color_;
76
77   DISALLOW_COPY_AND_ASSIGN(DemoWindowDelegate);
78 };
79
80 class DemoWindowTreeClient : public aura::client::WindowTreeClient {
81  public:
82   explicit DemoWindowTreeClient(aura::Window* window) : window_(window) {
83     aura::client::SetWindowTreeClient(window_, this);
84   }
85
86   virtual ~DemoWindowTreeClient() {
87     aura::client::SetWindowTreeClient(window_, NULL);
88   }
89
90   // Overridden from aura::client::WindowTreeClient:
91   virtual aura::Window* GetDefaultParent(aura::Window* context,
92                                          aura::Window* window,
93                                          const gfx::Rect& bounds) OVERRIDE {
94     if (!capture_client_) {
95       capture_client_.reset(
96           new aura::client::DefaultCaptureClient(window_->GetRootWindow()));
97     }
98     return window_;
99   }
100
101  private:
102   aura::Window* window_;
103   scoped_ptr<aura::client::DefaultCaptureClient> capture_client_;
104
105   DISALLOW_COPY_AND_ASSIGN(DemoWindowTreeClient);
106 };
107
108 class AuraDemo : public mojo::ApplicationDelegate,
109                  public mojo::WindowTreeHostMojoDelegate,
110                  public mojo::ViewManagerDelegate {
111  public:
112   AuraDemo() : window1_(NULL), window2_(NULL), window21_(NULL) {}
113   virtual ~AuraDemo() {}
114
115  private:
116   // Overridden from ViewManagerDelegate:
117   virtual void OnEmbed(
118       mojo::ViewManager* view_manager,
119       mojo::View* root,
120       mojo::ServiceProviderImpl* exported_services,
121       scoped_ptr<mojo::ServiceProvider> imported_services) OVERRIDE {
122     // TODO(beng): this function could be called multiple times!
123     root_ = root;
124
125     window_tree_host_.reset(new mojo::WindowTreeHostMojo(root, this));
126     window_tree_host_->InitHost();
127
128     window_tree_client_.reset(
129         new DemoWindowTreeClient(window_tree_host_->window()));
130
131     delegate1_.reset(new DemoWindowDelegate(SK_ColorBLUE));
132     window1_ = new aura::Window(delegate1_.get());
133     window1_->Init(aura::WINDOW_LAYER_TEXTURED);
134     window1_->SetBounds(gfx::Rect(100, 100, 400, 400));
135     window1_->Show();
136     window_tree_host_->window()->AddChild(window1_);
137
138     delegate2_.reset(new DemoWindowDelegate(SK_ColorRED));
139     window2_ = new aura::Window(delegate2_.get());
140     window2_->Init(aura::WINDOW_LAYER_TEXTURED);
141     window2_->SetBounds(gfx::Rect(200, 200, 350, 350));
142     window2_->Show();
143     window_tree_host_->window()->AddChild(window2_);
144
145     delegate21_.reset(new DemoWindowDelegate(SK_ColorGREEN));
146     window21_ = new aura::Window(delegate21_.get());
147     window21_->Init(aura::WINDOW_LAYER_TEXTURED);
148     window21_->SetBounds(gfx::Rect(10, 10, 50, 50));
149     window21_->Show();
150     window2_->AddChild(window21_);
151
152     window_tree_host_->Show();
153   }
154   virtual void OnViewManagerDisconnected(
155       mojo::ViewManager* view_manager) OVERRIDE {
156     base::MessageLoop::current()->Quit();
157   }
158
159   // WindowTreeHostMojoDelegate:
160   virtual void CompositorContentsChanged(const SkBitmap& bitmap) OVERRIDE {
161     root_->SetContents(bitmap);
162   }
163
164   virtual void Initialize(mojo::ApplicationImpl* app) MOJO_OVERRIDE {
165     view_manager_client_factory_.reset(
166         new mojo::ViewManagerClientFactory(app->shell(), this));
167     aura::Env::CreateInstance(true);
168     context_factory_.reset(new mojo::ContextFactoryMojo);
169     aura::Env::GetInstance()->set_context_factory(context_factory_.get());
170     screen_.reset(mojo::ScreenMojo::Create());
171     gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, screen_.get());
172   }
173
174   virtual bool ConfigureIncomingConnection(
175       mojo::ApplicationConnection* connection) MOJO_OVERRIDE {
176     connection->AddService(view_manager_client_factory_.get());
177     return true;
178   }
179
180   scoped_ptr<DemoWindowTreeClient> window_tree_client_;
181
182   scoped_ptr<ui::ContextFactory> context_factory_;
183
184   scoped_ptr<mojo::ScreenMojo> screen_;
185
186   scoped_ptr<DemoWindowDelegate> delegate1_;
187   scoped_ptr<DemoWindowDelegate> delegate2_;
188   scoped_ptr<DemoWindowDelegate> delegate21_;
189
190   aura::Window* window1_;
191   aura::Window* window2_;
192   aura::Window* window21_;
193
194   mojo::View* root_;
195
196   scoped_ptr<mojo::ViewManagerClientFactory> view_manager_client_factory_;
197
198   scoped_ptr<aura::WindowTreeHost> window_tree_host_;
199
200   DISALLOW_COPY_AND_ASSIGN(AuraDemo);
201 };
202
203 }  // namespace examples
204
205 MojoResult MojoMain(MojoHandle shell_handle) {
206   mojo::ApplicationRunnerChromium runner(new examples::AuraDemo);
207   return runner.Run(shell_handle);
208 }