blob: 0098fe2b7a504f6861bb8faeffa94c1ef2eb3474 [file] [log] [blame]
// Copyright 2018 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 "ash/public/cpp/frame_utils.h"
#include "ash/public/cpp/ash_constants.h"
#include "ui/aura/env.h"
#include "ui/aura/window.h"
#include "ui/base/hit_test.h"
#include "ui/gfx/geometry/point.h"
#include "ui/views/widget/widget.h"
#include "ui/views/widget/widget_delegate.h"
#include "ui/views/window/hit_test_utils.h"
#include "ui/views/window/non_client_view.h"
namespace ash {
int FrameBorderNonClientHitTest(views::NonClientFrameView* view,
const gfx::Point& point_in_widget) {
gfx::Rect expanded_bounds = view->bounds();
int outside_bounds = kResizeOutsideBoundsSize;
if (aura::Env::GetInstance()->is_touch_down())
outside_bounds *= kResizeOutsideBoundsScaleForTouch;
expanded_bounds.Inset(-outside_bounds, -outside_bounds);
if (!expanded_bounds.Contains(point_in_widget))
return HTNOWHERE;
// Check the frame first, as we allow a small area overlapping the contents
// to be used for resize handles.
views::Widget* widget = view->GetWidget();
bool can_ever_resize = widget->widget_delegate()->CanResize();
// Don't allow overlapping resize handles when the window is maximized or
// fullscreen, as it can't be resized in those states.
int resize_border = kResizeInsideBoundsSize;
if (widget->IsMaximized() || widget->IsFullscreen()) {
resize_border = 0;
can_ever_resize = false;
}
int frame_component = view->GetHTComponentForFrame(
point_in_widget, resize_border, resize_border, kResizeAreaCornerSize,
kResizeAreaCornerSize, can_ever_resize);
if (frame_component != HTNOWHERE)
return frame_component;
int client_component =
widget->client_view()->NonClientHitTest(point_in_widget);
if (client_component != HTNOWHERE)
return client_component;
// Check if it intersects with children (frame caption button, back button,
// etc.).
int hit_test_component =
views::GetHitTestComponent(widget->non_client_view(), point_in_widget);
if (hit_test_component != HTNOWHERE)
return hit_test_component;
// Caption is a safe default.
return HTCAPTION;
}
} // namespace ash