// 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 "ui/views/mouse_watcher_view_host.h" #include "ui/display/screen.h" #include "ui/views/view.h" #include "ui/views/widget/widget.h" namespace views { MouseWatcherViewHost::MouseWatcherViewHost(View* view, const gfx::Insets& hot_zone_insets) : view_(view), hot_zone_insets_(hot_zone_insets) {} MouseWatcherViewHost::~MouseWatcherViewHost() = default; bool MouseWatcherViewHost::Contains(const gfx::Point& screen_point, EventType type) { bool in_view = IsCursorInViewZone(screen_point); if (!in_view || (type == EventType::kExit && !IsMouseOverWindow())) return false; return true; } // Returns whether or not the cursor is currently in the view's "zone" which // is defined as a slightly larger region than the view. bool MouseWatcherViewHost::IsCursorInViewZone(const gfx::Point& screen_point) { gfx::Rect bounds = view_->GetLocalBounds(); gfx::Point view_topleft(bounds.origin()); View::ConvertPointToScreen(view_, &view_topleft); bounds.set_origin(view_topleft); bounds.SetRect(view_topleft.x() - hot_zone_insets_.left(), view_topleft.y() - hot_zone_insets_.top(), bounds.width() + hot_zone_insets_.width(), bounds.height() + hot_zone_insets_.height()); return bounds.Contains(screen_point.x(), screen_point.y()); } // Returns true if the mouse is over the view's window. bool MouseWatcherViewHost::IsMouseOverWindow() { Widget* widget = view_->GetWidget(); if (!widget) return false; return display::Screen::GetScreen()->IsWindowUnderCursor( widget->GetNativeWindow()); } } // namespace views