// 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 "content/shell/shell_stacking_client_ash.h"

#include "ui/aura/client/default_capture_client.h"
#include "ui/aura/focus_manager.h"
#include "ui/aura/root_window.h"
#include "ui/aura/shared/compound_event_filter.h"
#include "ui/aura/shared/input_method_event_filter.h"
#include "ui/aura/test/test_activation_client.h"

namespace content {

ShellStackingClientAsh::ShellStackingClientAsh() {
  aura::client::SetStackingClient(this);
}

ShellStackingClientAsh::~ShellStackingClientAsh() {
  if (root_window_.get())
    root_window_event_filter_->RemoveFilter(input_method_filter_.get());

  aura::client::SetStackingClient(NULL);
}

aura::Window* ShellStackingClientAsh::GetDefaultParent(
    aura::Window* window,
    const gfx::Rect& bounds) {
  if (!root_window_.get()) {
    aura::FocusManager* focus_manager = new aura::FocusManager;

    root_window_.reset(new aura::RootWindow(
        aura::RootWindow::CreateParams(gfx::Rect(100, 100))));
    root_window_->Init();
    root_window_->set_focus_manager(focus_manager);

    root_window_event_filter_ = new aura::shared::CompoundEventFilter;
    // Pass ownership of the filter to the root_window.
    root_window_->SetEventFilter(root_window_event_filter_);

    input_method_filter_.reset(new aura::shared::InputMethodEventFilter());
    input_method_filter_->SetInputMethodPropertyInRootWindow(
        root_window_.get());
    root_window_event_filter_->AddFilter(input_method_filter_.get());

    test_activation_client_.reset(
        new aura::test::TestActivationClient(root_window_.get()));

    capture_client_.reset(
        new aura::client::DefaultCaptureClient(root_window_.get()));
  }
  return root_window_.get();
}

}  // namespace content