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// Copyright 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 <stdio.h>
#include <string>
#include "base/message_loop/message_loop.h"
#include "mojo/common/bindings_support_impl.h"
#include "mojo/examples/aura_demo/demo_screen.h"
#include "mojo/examples/aura_demo/root_window_host_mojo.h"
#include "mojo/examples/compositor_app/compositor_host.h"
#include "mojo/examples/compositor_app/gles2_client_impl.h"
#include "mojo/public/bindings/lib/bindings_support.h"
#include "mojo/public/bindings/lib/remote_ptr.h"
#include "mojo/public/gles2/gles2.h"
#include "mojo/public/system/core.h"
#include "mojo/public/system/macros.h"
#include "mojom/native_viewport.h"
#include "mojom/shell.h"
#include "ui/aura/client/default_capture_client.h"
#include "ui/aura/client/window_tree_client.h"
#include "ui/aura/env.h"
#include "ui/aura/root_window.h"
#include "ui/aura/window.h"
#include "ui/aura/window_delegate.h"
#include "ui/base/hit_test.h"
#include "ui/gfx/canvas.h"
#if defined(WIN32)
#if !defined(CDECL)
#define CDECL __cdecl
#endif
#define AURA_DEMO_EXPORT __declspec(dllexport)
#else
#define CDECL
#define AURA_DEMO_EXPORT __attribute__((visibility("default")))
#endif
namespace mojo {
namespace examples {
// Trivial WindowDelegate implementation that draws a colored background.
class DemoWindowDelegate : public aura::WindowDelegate {
public:
explicit DemoWindowDelegate(SkColor color) : color_(color) {}
// Overridden from WindowDelegate:
virtual gfx::Size GetMinimumSize() const OVERRIDE {
return gfx::Size();
}
virtual gfx::Size GetMaximumSize() const OVERRIDE {
return gfx::Size();
}
virtual void OnBoundsChanged(const gfx::Rect& old_bounds,
const gfx::Rect& new_bounds) OVERRIDE {}
virtual gfx::NativeCursor GetCursor(const gfx::Point& point) OVERRIDE {
return gfx::kNullCursor;
}
virtual int GetNonClientComponent(const gfx::Point& point) const OVERRIDE {
return HTCAPTION;
}
virtual bool ShouldDescendIntoChildForEventHandling(
aura::Window* child,
const gfx::Point& location) OVERRIDE {
return true;
}
virtual bool CanFocus() OVERRIDE { return true; }
virtual void OnCaptureLost() OVERRIDE {}
virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE {
canvas->DrawColor(color_, SkXfermode::kSrc_Mode);
}
virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE {}
virtual void OnWindowDestroying() OVERRIDE {}
virtual void OnWindowDestroyed() OVERRIDE {}
virtual void OnWindowTargetVisibilityChanged(bool visible) OVERRIDE {}
virtual bool HasHitTestMask() const OVERRIDE { return false; }
virtual void GetHitTestMask(gfx::Path* mask) const OVERRIDE {}
virtual void DidRecreateLayer(ui::Layer* old_layer,
ui::Layer* new_layer) OVERRIDE {}
private:
SkColor color_;
DISALLOW_COPY_AND_ASSIGN(DemoWindowDelegate);
};
class DemoWindowTreeClient : public aura::client::WindowTreeClient {
public:
explicit DemoWindowTreeClient(aura::Window* window) : window_(window) {
aura::client::SetWindowTreeClient(window_, this);
}
virtual ~DemoWindowTreeClient() {
aura::client::SetWindowTreeClient(window_, NULL);
}
// Overridden from aura::client::WindowTreeClient:
virtual aura::Window* GetDefaultParent(aura::Window* context,
aura::Window* window,
const gfx::Rect& bounds) OVERRIDE {
if (!capture_client_) {
capture_client_.reset(
new aura::client::DefaultCaptureClient(window_->GetRootWindow()));
}
return window_;
}
private:
aura::Window* window_;
scoped_ptr<aura::client::DefaultCaptureClient> capture_client_;
DISALLOW_COPY_AND_ASSIGN(DemoWindowTreeClient);
};
class AuraDemo : public ShellClientStub {
public:
explicit AuraDemo(ScopedMessagePipeHandle shell_handle)
: shell_(shell_handle.Pass()) {
shell_.SetPeer(this);
screen_.reset(DemoScreen::Create());
gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, screen_.get());
mojo::ScopedMessagePipeHandle client_handle, native_viewport_handle;
CreateMessagePipe(&client_handle, &native_viewport_handle);
root_window_host_.reset(new RootWindowHostMojo(
native_viewport_handle.Pass(),
base::Bind(&AuraDemo::HostContextCreated, base::Unretained(this))));
mojo::AllocationScope scope;
shell_->Connect("mojo:mojo_native_viewport_service", client_handle.Pass());
}
virtual void AcceptConnection(ScopedMessagePipeHandle handle) MOJO_OVERRIDE {
NOTREACHED() << "AuraDemo can't be connected to.";
}
private:
void HostContextCreated() {
aura::RootWindow::CreateParams params(gfx::Rect(0, 0, 500, 500));
params.host = root_window_host_.get();
root_window_.reset(new aura::RootWindow(params));
root_window_host_->set_delegate(root_window_.get());
root_window_->Init();
window_tree_client_.reset(new DemoWindowTreeClient(root_window_->window()));
delegate1_.reset(new DemoWindowDelegate(SK_ColorBLUE));
window1_ = new aura::Window(delegate1_.get());
window1_->Init(ui::LAYER_TEXTURED);
window1_->SetBounds(gfx::Rect(100, 100, 400, 400));
window1_->Show();
root_window_->window()->AddChild(window1_);
delegate2_.reset(new DemoWindowDelegate(SK_ColorRED));
window2_ = new aura::Window(delegate2_.get());
window2_->Init(ui::LAYER_TEXTURED);
window2_->SetBounds(gfx::Rect(200, 200, 350, 350));
window2_->Show();
root_window_->window()->AddChild(window2_);
delegate21_.reset(new DemoWindowDelegate(SK_ColorGREEN));
window21_ = new aura::Window(delegate21_.get());
window21_->Init(ui::LAYER_TEXTURED);
window21_->SetBounds(gfx::Rect(10, 10, 50, 50));
window21_->Show();
window2_->AddChild(window21_);
root_window_->host()->Show();
}
scoped_ptr<DemoScreen> screen_;
scoped_ptr<DemoWindowTreeClient> window_tree_client_;
scoped_ptr<DemoWindowDelegate> delegate1_;
scoped_ptr<DemoWindowDelegate> delegate2_;
scoped_ptr<DemoWindowDelegate> delegate21_;
aura::Window* window1_;
aura::Window* window2_;
aura::Window* window21_;
mojo::RemotePtr<Shell> shell_;
scoped_ptr<RootWindowHostMojo> root_window_host_;
scoped_ptr<aura::RootWindow> root_window_;
};
} // namespace examples
} // namespace mojo
extern "C" AURA_DEMO_EXPORT MojoResult CDECL MojoMain(
MojoHandle shell_handle) {
base::MessageLoop loop;
mojo::common::BindingsSupportImpl bindings_support_impl;
mojo::BindingsSupport::Set(&bindings_support_impl);
MojoGLES2Initialize();
// TODO(beng): This crashes in a DCHECK on X11 because this thread's
// MessageLoop is not of TYPE_UI. I think we need a way to build
// Aura that doesn't define platform-specific stuff.
aura::Env::CreateInstance();
mojo::examples::AuraDemo app(
mojo::MakeScopedHandle(mojo::MessagePipeHandle(shell_handle)).Pass());
loop.Run();
MojoGLES2Terminate();
mojo::BindingsSupport::Set(NULL);
return MOJO_RESULT_OK;
}
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