src/mojo/services/view_manager/root_view_manager.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 "mojo/services/view_manager/root_view_manager.h"
   6
   7 #include "base/auto_reset.h"
   8 #include "mojo/aura/screen_mojo.h"
   9 #include "mojo/aura/window_tree_host_mojo.h"
  10 #include "mojo/public/cpp/shell/service.h"
  11 #include "mojo/public/interfaces/shell/shell.mojom.h"
  12 #include "mojo/services/view_manager/root_node_manager.h"
  13 #include "ui/aura/client/default_capture_client.h"
  14 #include "ui/aura/client/window_tree_client.h"
  15 #include "ui/aura/window.h"
  16
  17 namespace mojo {
  18 namespace services {
  19 namespace view_manager {
  20
  21 class WindowTreeClientImpl : public aura::client::WindowTreeClient {
  22  public:
  23   explicit WindowTreeClientImpl(aura::Window* window) : window_(window) {
  24     aura::client::SetWindowTreeClient(window_, this);
  25   }
  26
  27   virtual ~WindowTreeClientImpl() {
  28     aura::client::SetWindowTreeClient(window_, NULL);
  29   }
  30
  31   // Overridden from aura::client::WindowTreeClient:
  32   virtual aura::Window* GetDefaultParent(aura::Window* context,
  33                                          aura::Window* window,
  34                                          const gfx::Rect& bounds) OVERRIDE {
  35     if (!capture_client_) {
  36       capture_client_.reset(
  37           new aura::client::DefaultCaptureClient(window_->GetRootWindow()));
  38     }
  39     return window_;
  40   }
  41
  42  private:
  43   aura::Window* window_;
  44
  45   scoped_ptr<aura::client::DefaultCaptureClient> capture_client_;
  46
  47   DISALLOW_COPY_AND_ASSIGN(WindowTreeClientImpl);
  48 };
  49
  50 RootViewManager::RootViewManager(Shell* shell, RootNodeManager* root_node)
  51     : shell_(shell),
  52       root_node_manager_(root_node),
  53       in_setup_(false) {
  54   screen_.reset(ScreenMojo::Create());
  55   gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, screen_.get());
  56   NativeViewportPtr viewport;
  57   ConnectTo(shell, "mojo:mojo_native_viewport_service", &viewport);
  58   window_tree_host_.reset(new WindowTreeHostMojo(
  59         viewport.Pass(),
  60         gfx::Rect(800, 600),
  61         base::Bind(&RootViewManager::OnCompositorCreated,
  62                    base::Unretained(this))));
  63 }
  64
  65 RootViewManager::~RootViewManager() {
  66   window_tree_client_.reset();
  67   window_tree_host_.reset();
  68   gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, NULL);
  69 }
  70
  71 void RootViewManager::OnCompositorCreated() {
  72   base::AutoReset<bool> resetter(&in_setup_, true);
  73   window_tree_host_->InitHost();
  74
  75   aura::Window* root = root_node_manager_->root()->window();
  76   window_tree_host_->window()->AddChild(root);
  77   root->SetBounds(gfx::Rect(window_tree_host_->window()->bounds().size()));
  78   root_node_manager_->root()->window()->Show();
  79
  80   window_tree_client_.reset(
  81       new WindowTreeClientImpl(window_tree_host_->window()));
  82
  83   window_tree_host_->Show();
  84 }
  85
  86 }  // namespace view_manager
  87 }  // namespace services
  88 }  // namespace mojo