| // Copyright 2015 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 "components/mus/ws/window_finder.h" |
| |
| #include "components/mus/surfaces/surfaces_state.h" |
| #include "components/mus/ws/server_window.h" |
| #include "components/mus/ws/server_window_delegate.h" |
| #include "components/mus/ws/server_window_surface.h" |
| #include "components/mus/ws/server_window_surface_manager.h" |
| #include "components/mus/ws/window_coordinate_conversions.h" |
| #include "ui/gfx/geometry/point.h" |
| #include "ui/gfx/geometry/point_f.h" |
| #include "ui/gfx/transform.h" |
| |
| namespace mus { |
| namespace ws { |
| |
| bool IsValidWindowForEvents(ServerWindow* window) { |
| ServerWindowSurfaceManager* surface_manager = window->surface_manager(); |
| return surface_manager && |
| surface_manager->HasSurfaceOfType(mojom::SurfaceType::DEFAULT); |
| } |
| |
| ServerWindow* FindDeepestVisibleWindowForEvents(ServerWindow* window, |
| gfx::Point* location) { |
| const ServerWindow::Windows children(window->GetChildren()); |
| for (auto iter = children.rbegin(); iter != children.rend(); ++iter) { |
| ServerWindow* child = *iter; |
| if (!child->visible()) |
| continue; |
| |
| // TODO(sky): support transform. |
| gfx::Point child_location(location->x() - child->bounds().x(), |
| location->y() - child->bounds().y()); |
| gfx::Rect child_bounds(child->bounds().size()); |
| child_bounds.Inset(-child->extended_hit_test_region().left(), |
| -child->extended_hit_test_region().top(), |
| -child->extended_hit_test_region().right(), |
| -child->extended_hit_test_region().bottom()); |
| if (child_bounds.Contains(child_location)) { |
| *location = child_location; |
| ServerWindow* result = FindDeepestVisibleWindowForEvents(child, location); |
| if (IsValidWindowForEvents(result)) |
| return result; |
| } |
| } |
| return window; |
| } |
| |
| gfx::Transform GetTransformToWindow(ServerWindow* window) { |
| gfx::Transform transform; |
| ServerWindow* current = window; |
| while (current->parent()) { |
| transform.Translate(-current->bounds().x(), -current->bounds().y()); |
| current = current->parent(); |
| } |
| return transform; |
| } |
| |
| } // namespace ws |
| } // namespace mus |