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// Copyright (c) 2012 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 "base/at_exit.h"
#include "base/command_line.h"
#include "base/i18n/icu_util.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop/message_loop.h"
#include "third_party/skia/include/core/SkXfermode.h"
#include "ui/aura/client/default_capture_client.h"
#include "ui/aura/client/stacking_client.h"
#include "ui/aura/env.h"
#include "ui/aura/focus_manager.h"
#include "ui/aura/root_window.h"
#include "ui/aura/test/test_screen.h"
#include "ui/aura/window.h"
#include "ui/aura/window_delegate.h"
#include "ui/base/events/event.h"
#include "ui/base/hit_test.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/base/ui_base_paths.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/rect.h"
#if defined(USE_X11)
#include "base/message_loop/message_pump_x11.h"
#endif
namespace {
// 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 scoped_refptr<ui::Texture> CopyTexture() OVERRIDE {
return scoped_refptr<ui::Texture>();
}
private:
SkColor color_;
DISALLOW_COPY_AND_ASSIGN(DemoWindowDelegate);
};
class DemoStackingClient : public aura::client::StackingClient {
public:
explicit DemoStackingClient(aura::RootWindow* root_window)
: root_window_(root_window) {
aura::client::SetStackingClient(root_window_, this);
}
virtual ~DemoStackingClient() {
aura::client::SetStackingClient(root_window_, NULL);
}
// Overridden from aura::client::StackingClient:
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(root_window_));
}
return root_window_;
}
private:
aura::RootWindow* root_window_;
scoped_ptr<aura::client::DefaultCaptureClient> capture_client_;
DISALLOW_COPY_AND_ASSIGN(DemoStackingClient);
};
int DemoMain() {
// Create the message-loop here before creating the root window.
base::MessageLoop message_loop(base::MessageLoop::TYPE_UI);
aura::Env::GetInstance();
scoped_ptr<aura::TestScreen> test_screen(aura::TestScreen::Create());
gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, test_screen.get());
scoped_ptr<aura::RootWindow> root_window(
test_screen->CreateRootWindowForPrimaryDisplay());
scoped_ptr<DemoStackingClient> stacking_client(new DemoStackingClient(
root_window.get()));
aura::FocusManager focus_manager;
aura::client::SetFocusClient(root_window.get(), &focus_manager);
// Create a hierarchy of test windows.
DemoWindowDelegate window_delegate1(SK_ColorBLUE);
aura::Window window1(&window_delegate1);
window1.set_id(1);
window1.Init(ui::LAYER_TEXTURED);
window1.SetBounds(gfx::Rect(100, 100, 400, 400));
window1.Show();
window1.SetDefaultParentByRootWindow(root_window.get(), gfx::Rect());
DemoWindowDelegate window_delegate2(SK_ColorRED);
aura::Window window2(&window_delegate2);
window2.set_id(2);
window2.Init(ui::LAYER_TEXTURED);
window2.SetBounds(gfx::Rect(200, 200, 350, 350));
window2.Show();
window2.SetDefaultParentByRootWindow(root_window.get(), gfx::Rect());
DemoWindowDelegate window_delegate3(SK_ColorGREEN);
aura::Window window3(&window_delegate3);
window3.set_id(3);
window3.Init(ui::LAYER_TEXTURED);
window3.SetBounds(gfx::Rect(10, 10, 50, 50));
window3.Show();
window2.AddChild(&window3);
root_window->ShowRootWindow();
base::MessageLoopForUI::current()->Run();
return 0;
}
} // namespace
int main(int argc, char** argv) {
CommandLine::Init(argc, argv);
// The exit manager is in charge of calling the dtors of singleton objects.
base::AtExitManager exit_manager;
ui::RegisterPathProvider();
base::i18n::InitializeICU();
ResourceBundle::InitSharedInstanceWithLocale("en-US", NULL);
return DemoMain();
}
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