// Copyright (c) 2009 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 "browser_drag_delegate.h"

#include "third_party/WebKit/WebKit/chromium/public/WebPoint.h"
#include "third_party/WebKit/WebKit/chromium/public/WebView.h"

using WebKit::WebPoint;
using WebKit::WebView;

namespace {

void GetCursorPositions(HWND hwnd, gfx::Point* client, gfx::Point* screen) {
  // GetCursorPos will fail if the input desktop isn't the current desktop.
  // (0,0) is wrong, but better than uninitialized.
  // We should clean up all callers to handle failure -- http://b/1208177 .
  POINT pos;
  if (!GetCursorPos(&pos)) {
    pos.x = 0;
    pos.y = 0;
  }

  *screen = gfx::Point(pos);
  ScreenToClient(hwnd, &pos);
  *client = gfx::Point(pos);
}

}  // anonymous namespace

void BrowserDragDelegate::OnDragSourceCancel() {
  OnDragSourceDrop();
}

void BrowserDragDelegate::OnDragSourceDrop() {
  gfx::Point client;
  gfx::Point screen;
  GetCursorPositions(source_hwnd_, &client, &screen);
  webview_->dragSourceEndedAt(client, screen, WebKit::WebDragOperationCopy);
  // TODO(snej): Pass the real drag operation instead
}