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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 "base/power_monitor/power_monitor.h"
#include "base/power_monitor/power_monitor_device_source.h"
#include "third_party/skia/include/core/SkXfermode.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/test/test_focus_client.h"
#include "ui/aura/test/test_screen.h"
#include "ui/aura/window.h"
#include "ui/aura/window_delegate.h"
#include "ui/aura/window_tree_host.h"
#include "ui/base/hit_test.h"
#include "ui/compositor/paint_recorder.h"
#include "ui/compositor/test/in_process_context_factory.h"
#include "ui/events/event.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/skia_util.h"
#include "ui/gl/gl_surface.h"
#if defined(USE_X11)
#include "ui/gfx/x/x11_connection.h"
#endif
#if defined(OS_WIN)
#include "ui/gfx/win/dpi.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:
gfx::Size GetMinimumSize() const override { return gfx::Size(); }
gfx::Size GetMaximumSize() const override { return gfx::Size(); }
void OnBoundsChanged(const gfx::Rect& old_bounds,
const gfx::Rect& new_bounds) override {
window_bounds_ = new_bounds;
}
gfx::NativeCursor GetCursor(const gfx::Point& point) override {
return gfx::kNullCursor;
}
int GetNonClientComponent(const gfx::Point& point) const override {
return HTCAPTION;
}
bool ShouldDescendIntoChildForEventHandling(
aura::Window* child,
const gfx::Point& location) override {
return true;
}
bool CanFocus() override { return true; }
void OnCaptureLost() override {}
void OnPaint(const ui::PaintContext& context) override {
ui::PaintRecorder recorder(context, window_bounds_.size());
recorder.canvas()->DrawColor(color_, SkXfermode::kSrc_Mode);
gfx::Rect r;
recorder.canvas()->GetClipBounds(&r);
// Fill with a non-solid color so that the compositor will exercise its
// texture upload path.
while (!r.IsEmpty()) {
r.Inset(2, 2);
recorder.canvas()->FillRect(r, color_, SkXfermode::kXor_Mode);
}
}
void OnDeviceScaleFactorChanged(float device_scale_factor) override {}
void OnWindowDestroying(aura::Window* window) override {}
void OnWindowDestroyed(aura::Window* window) override {}
void OnWindowTargetVisibilityChanged(bool visible) override {}
bool HasHitTestMask() const override { return false; }
void GetHitTestMask(gfx::Path* mask) const override {}
private:
SkColor color_;
gfx::Rect window_bounds_;
DISALLOW_COPY_AND_ASSIGN(DemoWindowDelegate);
};
class DemoWindowTreeClient : public aura::client::WindowTreeClient {
public:
explicit DemoWindowTreeClient(aura::Window* window) : window_(window) {
aura::client::SetWindowTreeClient(window_, this);
}
~DemoWindowTreeClient() override {
aura::client::SetWindowTreeClient(window_, nullptr);
}
// Overridden from aura::client::WindowTreeClient:
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);
};
int DemoMain() {
#if defined(USE_X11)
// This demo uses InProcessContextFactory which uses X on a separate Gpu
// thread.
gfx::InitializeThreadedX11();
#endif
gfx::GLSurface::InitializeOneOff();
#if defined(OS_WIN)
gfx::InitDeviceScaleFactor(1.0f);
#endif
// The ContextFactory must exist before any Compositors are created.
bool context_factory_for_test = false;
scoped_ptr<ui::InProcessContextFactory> context_factory(
new ui::InProcessContextFactory(context_factory_for_test, nullptr));
context_factory->set_use_test_surface(false);
// Create the message-loop here before creating the root window.
base::MessageLoopForUI message_loop;
base::PowerMonitor power_monitor(make_scoped_ptr(
new base::PowerMonitorDeviceSource));
aura::Env::CreateInstance(true);
aura::Env::GetInstance()->set_context_factory(context_factory.get());
scoped_ptr<aura::TestScreen> test_screen(
aura::TestScreen::Create(gfx::Size()));
gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, test_screen.get());
scoped_ptr<aura::WindowTreeHost> host(
test_screen->CreateHostForPrimaryDisplay());
scoped_ptr<DemoWindowTreeClient> window_tree_client(
new DemoWindowTreeClient(host->window()));
aura::test::TestFocusClient focus_client;
aura::client::SetFocusClient(host->window(), &focus_client);
// Create a hierarchy of test windows.
gfx::Rect window1_bounds(100, 100, 400, 400);
DemoWindowDelegate window_delegate1(SK_ColorBLUE);
aura::Window window1(&window_delegate1);
window1.set_id(1);
window1.Init(ui::LAYER_TEXTURED);
window1.SetBounds(window1_bounds);
window1.Show();
aura::client::ParentWindowWithContext(&window1, host->window(), gfx::Rect());
gfx::Rect window2_bounds(200, 200, 350, 350);
DemoWindowDelegate window_delegate2(SK_ColorRED);
aura::Window window2(&window_delegate2);
window2.set_id(2);
window2.Init(ui::LAYER_TEXTURED);
window2.SetBounds(window2_bounds);
window2.Show();
aura::client::ParentWindowWithContext(&window2, host->window(), gfx::Rect());
gfx::Rect window3_bounds(10, 10, 50, 50);
DemoWindowDelegate window_delegate3(SK_ColorGREEN);
aura::Window window3(&window_delegate3);
window3.set_id(3);
window3.Init(ui::LAYER_TEXTURED);
window3.SetBounds(window3_bounds);
window3.Show();
window2.AddChild(&window3);
host->Show();
base::MessageLoopForUI::current()->Run();
return 0;
}
} // namespace
int main(int argc, char** argv) {
base::CommandLine::Init(argc, argv);
// The exit manager is in charge of calling the dtors of singleton objects.
base::AtExitManager exit_manager;
base::i18n::InitializeICU();
return DemoMain();
}
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