| // Copyright 2016 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_border_hit_test.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/views/view_properties.h" |
| #include "ui/views/widget/widget.h" |
| #include "ui/views/widget/widget_delegate.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 (view->GetWidget()->GetNativeWindow()->env()->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.). |
| gfx::Point point_in_non_client_view(point_in_widget); |
| views::View::ConvertPointFromWidget(widget->non_client_view(), |
| &point_in_non_client_view); |
| for (views::View* target_view = |
| widget->non_client_view()->GetEventHandlerForPoint( |
| point_in_non_client_view); |
| target_view; target_view = target_view->parent()) { |
| int target_component = |
| target_view->GetProperty(views::kHitTestComponentKey); |
| if (target_component != HTNOWHERE) |
| return target_component; |
| if (target_view == widget->non_client_view()) |
| break; |
| } |
| |
| // Caption is a safe default. |
| return HTCAPTION; |
| } |
| |
| } // namespace ash |