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// Copyright 2013 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/frame/frame_border_hit_test_controller.h"
#include "ash/ash_constants.h"
#include "ash/frame/caption_buttons/frame_caption_button_container_view.h"
#include "ash/wm/resize_handle_window_targeter.h"
#include "ash/wm/window_state_observer.h"
#include "ui/aura/env.h"
#include "ui/aura/window.h"
#include "ui/aura/window_observer.h"
#include "ui/aura/window_targeter.h"
#include "ui/base/hit_test.h"
#include "ui/views/widget/widget.h"
#include "ui/views/widget/widget_delegate.h"
#include "ui/views/window/non_client_view.h"
namespace ash {
FrameBorderHitTestController::FrameBorderHitTestController(views::Widget* frame)
: frame_window_(frame->GetNativeWindow()) {
frame_window_->SetEventTargeter(scoped_ptr<ui::EventTargeter>(
new ResizeHandleWindowTargeter(frame_window_, NULL)));
}
FrameBorderHitTestController::~FrameBorderHitTestController() {
}
// static
int FrameBorderHitTestController::NonClientHitTest(
views::NonClientFrameView* view,
FrameCaptionButtonContainerView* caption_button_container,
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* frame = view->GetWidget();
bool can_ever_resize = frame->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 (frame->IsMaximized() || frame->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 = frame->client_view()->NonClientHitTest(
point_in_widget);
if (client_component != HTNOWHERE)
return client_component;
if (caption_button_container->visible()) {
gfx::Point point_in_caption_button_container(point_in_widget);
views::View::ConvertPointFromWidget(caption_button_container,
&point_in_caption_button_container);
int caption_button_component = caption_button_container->NonClientHitTest(
point_in_caption_button_container);
if (caption_button_component != HTNOWHERE)
return caption_button_component;
}
// Caption is a safe default.
return HTCAPTION;
}
} // namespace ash
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