ui/platform_window/wm/wm_drag_handler.cc

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/platform_window/wm/wm_drag_handler.h"

#include "ui/base/class_property.h"
#include "ui/platform_window/platform_window.h"

DEFINE_UI_CLASS_PROPERTY_TYPE(ui::WmDragHandler*)

namespace ui {

DEFINE_UI_CLASS_PROPERTY_KEY(WmDragHandler*, kWmDragHandlerKey, nullptr)

WmDragHandler::LocationDelegate::~LocationDelegate() = default;

bool WmDragHandler::ShouldReleaseCaptureForDrag(
    ui::OSExchangeData* data) const {
  // Chrome normally expects starting drag and drop to release capture.
  return true;
}

void SetWmDragHandler(PlatformWindow* platform_window,
                      WmDragHandler* drag_handler) {
  platform_window->SetProperty(kWmDragHandlerKey, drag_handler);
}

WmDragHandler* GetWmDragHandler(const PlatformWindow& platform_window) {
  return platform_window.GetProperty(kWmDragHandlerKey);
}

}  // namespace ui