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- // 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
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