run aura_demo as a mojo app

mojo/examples/aura_demo/root_window_host_mojo.cc

+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "mojo/examples/aura_demo/root_window_host_mojo.h"
+
+#include "mojo/examples/aura_demo/demo_context_factory.h"
+#include "mojo/examples/compositor_app/gles2_client_impl.h"
+#include "mojo/public/gles2/gles2.h"
+#include "ui/aura/env.h"
+#include "ui/aura/window.h"
+#include "ui/aura/window_tree_host_delegate.h"
+#include "ui/compositor/compositor.h"
+#include "ui/gfx/geometry/insets.h"
+#include "ui/gfx/geometry/rect.h"
+
+namespace mojo {
+namespace examples {
+
+// static
+ui::ContextFactory* RootWindowHostMojo::context_factory_ = NULL;
+
+////////////////////////////////////////////////////////////////////////////////
+// RootWindowHostMojo, public:
+
+RootWindowHostMojo::RootWindowHostMojo(
+    ScopedMessagePipeHandle viewport_handle,
+    const base::Callback<void()>& compositor_created_callback)
+    : native_viewport_(viewport_handle.Pass()),
+      compositor_created_callback_(compositor_created_callback) {
+  native_viewport_.SetPeer(this);
+  native_viewport_->Open();
+
+  ScopedMessagePipeHandle gles2_handle;
+  ScopedMessagePipeHandle gles2_client_handle;
+  CreateMessagePipe(&gles2_handle, &gles2_client_handle);
+
+  // The ContextFactory must exist before any Compositors are created.
+  if (!context_factory_) {
+    scoped_ptr<DemoContextFactory> cf(new DemoContextFactory(this));
+    if (cf->Initialize())
+      context_factory_ = cf.release();
+    ui::ContextFactory::SetInstance(context_factory_);
+  }
+  CHECK(context_factory_) << "No GL bindings.";
+
+  gles2_client_.reset(new GLES2ClientImpl(
+      gles2_handle.Pass(),
+      base::Bind(&RootWindowHostMojo::DidCreateContext,
+                 base::Unretained(this))));
+  native_viewport_->CreateGLES2Context(gles2_client_handle.Pass());
+}
+
+RootWindowHostMojo::~RootWindowHostMojo() {}
+
+////////////////////////////////////////////////////////////////////////////////
+// RootWindowHostMojo, aura::RootWindowHost implementation:
+
+aura::RootWindow* RootWindowHostMojo::GetRootWindow() {
+  return delegate_->AsRootWindow();
+}
+
+gfx::AcceleratedWidget RootWindowHostMojo::GetAcceleratedWidget() {
+  NOTIMPLEMENTED();
+  return gfx::kNullAcceleratedWidget;
+}
+
+void RootWindowHostMojo::Show() {
+  NOTIMPLEMENTED();
+}
+
+void RootWindowHostMojo::Hide() {
+  NOTIMPLEMENTED();
+}
+
+void RootWindowHostMojo::ToggleFullScreen() {
+  NOTIMPLEMENTED();
+}
+
+gfx::Rect RootWindowHostMojo::GetBounds() const {
+  NOTIMPLEMENTED();
+  return gfx::Rect(500, 500);
+}
+
+void RootWindowHostMojo::SetBounds(const gfx::Rect& bounds) {
+  NOTIMPLEMENTED();
+}
+
+gfx::Insets RootWindowHostMojo::GetInsets() const {
+  NOTIMPLEMENTED();
+  return gfx::Insets();
+}
+
+void RootWindowHostMojo::SetInsets(const gfx::Insets& insets) {
+  NOTIMPLEMENTED();
+}
+
+gfx::Point RootWindowHostMojo::GetLocationOnNativeScreen() const {
+  return gfx::Point(0, 0);
+}
+
+void RootWindowHostMojo::SetCapture() {
+  NOTIMPLEMENTED();
+}
+
+void RootWindowHostMojo::ReleaseCapture() {
+  NOTIMPLEMENTED();
+}
+
+void RootWindowHostMojo::SetCursor(gfx::NativeCursor cursor) {
+  NOTIMPLEMENTED();
+}
+
+bool RootWindowHostMojo::QueryMouseLocation(gfx::Point* location_return) {
+  NOTIMPLEMENTED();
+  return false;
+}
+
+bool RootWindowHostMojo::ConfineCursorToRootWindow() {
+  NOTIMPLEMENTED();
+  return false;
+}
+
+void RootWindowHostMojo::UnConfineCursor() {
+  NOTIMPLEMENTED();
+}
+
+void RootWindowHostMojo::OnCursorVisibilityChanged(bool show) {
+  NOTIMPLEMENTED();
+}
+
+void RootWindowHostMojo::MoveCursorTo(const gfx::Point& location) {
+  NOTIMPLEMENTED();
+}
+
+void RootWindowHostMojo::PostNativeEvent(
+    const base::NativeEvent& native_event) {
+  NOTIMPLEMENTED();
+}
+
+void RootWindowHostMojo::OnDeviceScaleFactorChanged(float device_scale_factor) {
+  NOTIMPLEMENTED();
+}
+
+void RootWindowHostMojo::PrepareForShutdown() {
+  NOTIMPLEMENTED();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// RootWindowHostMojo, NativeViewportClientStub implementation:
+
+void RootWindowHostMojo::OnCreated() {
+}
+
+void RootWindowHostMojo::OnDestroyed() {
+  base::MessageLoop::current()->Quit();
+}
+
+void RootWindowHostMojo::OnEvent(const Event& event) {
+  if (!event.location().is_null())
+    native_viewport_->AckEvent(event);
+
+  // TODO(beng): fwd to rootwindow.
+};
+
+////////////////////////////////////////////////////////////////////////////////
+// RootWindowHostMojo, private:
+
+void RootWindowHostMojo::DidCreateContext(gfx::Size viewport_size) {
+  CreateCompositor(GetAcceleratedWidget());
+  compositor_created_callback_.Run();
+  NotifyHostResized(viewport_size);
+}
+
+}  // namespace examples
+}  // namespace mojo