// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/aura/test/aura_test_base.h"

#include "base/command_line.h"
#include "ui/aura/client/window_parenting_client.h"
#include "ui/aura/test/test_window_delegate.h"
#include "ui/aura/test/test_windows.h"
#include "ui/aura/window.h"
#include "ui/base/ime/init/input_method_initializer.h"
#include "ui/base/ui_base_switches.h"
#include "ui/display/types/display_constants.h"
#include "ui/events/event_dispatcher.h"
#include "ui/events/event_sink.h"
#include "ui/events/gesture_detection/gesture_configuration.h"

namespace aura {
namespace test {

AuraTestBase::AuraTestBase()
    : task_environment_(base::test::TaskEnvironment::MainThreadType::UI) {}

AuraTestBase::~AuraTestBase() {
  CHECK(setup_called_)
      << "You have overridden SetUp but never called super class's SetUp";
  CHECK(teardown_called_)
      << "You have overridden TearDown but never called super class's TearDown";
}

void AuraTestBase::SetUp() {
  setup_called_ = true;
  testing::Test::SetUp();
  ui::GestureConfiguration* gesture_config =
      ui::GestureConfiguration::GetInstance();
  // Changing the parameters for gesture recognition shouldn't cause
  // tests to fail, so we use a separate set of parameters for unit
  // testing.
  gesture_config->set_default_radius(0);
  gesture_config->set_double_tap_timeout_in_ms(400);
  gesture_config->set_fling_max_cancel_to_down_time_in_ms(400);
  gesture_config->set_fling_max_tap_gap_time_in_ms(200);
  gesture_config->set_gesture_begin_end_types_enabled(true);
  gesture_config->set_short_press_time(base::Milliseconds(900));
  gesture_config->set_long_press_time_in_ms(1000);
  gesture_config->set_max_distance_between_taps_for_double_tap(20);
  gesture_config->set_max_distance_for_two_finger_tap_in_pixels(300);
  gesture_config->set_max_fling_velocity(15000);
  gesture_config->set_max_gesture_bounds_length(0);
  gesture_config->set_max_separation_for_gesture_touches_in_pixels(150);
  gesture_config->set_max_swipe_deviation_angle(20);
  gesture_config->set_max_time_between_double_click_in_ms(700);
  gesture_config->set_max_touch_down_duration_for_click_in_ms(800);
  gesture_config->set_max_touch_move_in_pixels_for_click(5);
  gesture_config->set_min_distance_for_pinch_scroll_in_pixels(20);
  gesture_config->set_min_fling_velocity(30.0f);
  gesture_config->set_min_pinch_update_span_delta(0);
  gesture_config->set_min_scaling_span_in_pixels(125);
  gesture_config->set_min_swipe_velocity(10);
  gesture_config->set_scroll_debounce_interval_in_ms(0);
  gesture_config->set_show_press_delay_in_ms(5);
  gesture_config->set_swipe_enabled(true);
  gesture_config->set_two_finger_tap_enabled(true);
  gesture_config->set_velocity_tracker_strategy(
      ui::VelocityTracker::Strategy::LSQ2_RESTRICTED);

  helper_ = std::make_unique<AuraTestHelper>();
  helper_->SetUp();
}

void AuraTestBase::TearDown() {
  teardown_called_ = true;

  // Flush the message loop because we have pending release tasks
  // and these tasks if un-executed would upset Valgrind.
  RunAllPendingInMessageLoop();

  helper_->TearDown();
  testing::Test::TearDown();
}

Window* AuraTestBase::CreateNormalWindow(int id, Window* parent,
                                         WindowDelegate* delegate) {
  return CreateTestWindow({.delegate = delegate
                                           ? delegate
                                           : test::TestWindowDelegate::
                                                 CreateSelfDestroyingDelegate(),
                           .parent = parent,
                           .bounds = {100, 100},
                           .window_type = client::WINDOW_TYPE_UNKNOWN,
                           .window_id = id})
      .release();
}

void AuraTestBase::RunAllPendingInMessageLoop() {
  helper_->RunAllPendingInMessageLoop();
}

void AuraTestBase::ParentWindow(Window* window) {
  client::ParentWindowWithContext(window, root_window(), gfx::Rect(),
                                  display::kInvalidDisplayId);
}

bool AuraTestBase::DispatchEventUsingWindowDispatcher(ui::Event* event) {
  ui::EventDispatchDetails details = GetEventSink()->OnEventFromSource(event);
  CHECK(!details.dispatcher_destroyed);
  return event->handled();
}

}  // namespace test
}  // namespace aura