// Copyright (c) 2020 Microsoft, Inc. // Use of this source code is governed by the MIT license that can be // found in the LICENSE file. #include "shell/browser/ui/drag_util.h" #include <memory> #include "ui/gfx/geometry/skia_conversions.h" namespace electron { // Return a vector of non-draggable regions that fill a window of size // |width| by |height|, but leave gaps where the window should be draggable. std::vector<gfx::Rect> CalculateNonDraggableRegions( std::unique_ptr<SkRegion> draggable, int width, int height) { std::vector<gfx::Rect> result; SkRegion non_draggable; non_draggable.op({0, 0, width, height}, SkRegion::kUnion_Op); non_draggable.op(*draggable, SkRegion::kDifference_Op); for (SkRegion::Iterator it(non_draggable); !it.done(); it.next()) { result.push_back(gfx::SkIRectToRect(it.rect())); } return result; } // Convert draggable regions in raw format to SkRegion format. std::unique_ptr<SkRegion> DraggableRegionsToSkRegion( const std::vector<mojom::DraggableRegionPtr>& regions) { auto sk_region = std::make_unique<SkRegion>(); for (const auto& region : regions) { sk_region->op( SkIRect::MakeLTRB(region->bounds.x(), region->bounds.y(), region->bounds.right(), region->bounds.bottom()), region->draggable ? SkRegion::kUnion_Op : SkRegion::kDifference_Op); } return sk_region; } } // namespace electron