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ui/base/dragdrop/drop_target_win.cc

Index: ui/base/dragdrop/drop_target_win.cc
diff --git a/ui/base/dragdrop/drop_target_win.cc b/ui/base/dragdrop/drop_target_win.cc
deleted file mode 100644
index e3a105e70a7c923d4343925a92fba34055ff0820..0000000000000000000000000000000000000000
--- a/ui/base/dragdrop/drop_target_win.cc
+++ /dev/null
@@ -1,149 +0,0 @@
-// Copyright (c) 2011 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/base/dragdrop/drop_target_win.h"
-
-#include <shlobj.h>
-
-#include "base/logging.h"
-
-namespace ui {
-
-IDropTargetHelper* DropTargetWin::cached_drop_target_helper_ = NULL;
-
-DropTargetWin::DropTargetWin(HWND hwnd)
-    : hwnd_(hwnd),
-      ref_count_(0) {
-  DCHECK(hwnd);
-  HRESULT result = RegisterDragDrop(hwnd, this);
-  DCHECK(SUCCEEDED(result));
-}
-
-DropTargetWin::~DropTargetWin() {
-}
-
-// static
-IDropTargetHelper* DropTargetWin::DropHelper() {
-  if (!cached_drop_target_helper_) {
-    CoCreateInstance(CLSID_DragDropHelper, 0, CLSCTX_INPROC_SERVER,
-                     IID_IDropTargetHelper,
-                     reinterpret_cast<void**>(&cached_drop_target_helper_));
-  }
-  return cached_drop_target_helper_;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// DropTargetWin, IDropTarget implementation:
-
-HRESULT DropTargetWin::DragEnter(IDataObject* data_object,
-                                 DWORD key_state,
-                                 POINTL cursor_position,
-                                 DWORD* effect) {
-  // Tell the helper that we entered so it can update the drag image.
-  IDropTargetHelper* drop_helper = DropHelper();
-  if (drop_helper) {
-    drop_helper->DragEnter(GetHWND(), data_object,
-                           reinterpret_cast<POINT*>(&cursor_position), *effect);
-  }
-
-  current_data_object_ = data_object;
-  POINT screen_pt = { cursor_position.x, cursor_position.y };
-  *effect = OnDragEnter(current_data_object_.get(), key_state, screen_pt,
-                        *effect);
-  return S_OK;
-}
-
-HRESULT DropTargetWin::DragOver(DWORD key_state,
-                                POINTL cursor_position,
-                                DWORD* effect) {
-  // Tell the helper that we moved over it so it can update the drag image.
-  IDropTargetHelper* drop_helper = DropHelper();
-  if (drop_helper)
-    drop_helper->DragOver(reinterpret_cast<POINT*>(&cursor_position), *effect);
-
-  POINT screen_pt = { cursor_position.x, cursor_position.y };
-  *effect = OnDragOver(current_data_object_.get(), key_state, screen_pt,
-                       *effect);
-  return S_OK;
-}
-
-HRESULT DropTargetWin::DragLeave() {
-  // Tell the helper that we moved out of it so it can update the drag image.
-  IDropTargetHelper* drop_helper = DropHelper();
-  if (drop_helper)
-    drop_helper->DragLeave();
-
-  OnDragLeave(current_data_object_.get());
-
-  current_data_object_ = NULL;
-  return S_OK;
-}
-
-HRESULT DropTargetWin::Drop(IDataObject* data_object,
-                            DWORD key_state,
-                            POINTL cursor_position,
-                            DWORD* effect) {
-  // Tell the helper that we dropped onto it so it can update the drag image.
-  IDropTargetHelper* drop_helper = DropHelper();
-  if (drop_helper) {
-    drop_helper->Drop(current_data_object_.get(),
-                      reinterpret_cast<POINT*>(&cursor_position), *effect);
-  }
-
-  POINT screen_pt = { cursor_position.x, cursor_position.y };
-  *effect = OnDrop(current_data_object_.get(), key_state, screen_pt, *effect);
-  return S_OK;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// DropTargetWin, IUnknown implementation:
-
-HRESULT DropTargetWin::QueryInterface(const IID& iid, void** object) {
-  *object = NULL;
-  if (IsEqualIID(iid, IID_IUnknown) || IsEqualIID(iid, IID_IDropTarget)) {
-    *object = this;
-  } else {
-    return E_NOINTERFACE;
-  }
-  AddRef();
-  return S_OK;
-}
-
-ULONG DropTargetWin::AddRef() {
-  return ++ref_count_;
-}
-
-ULONG DropTargetWin::Release() {
-  if (--ref_count_ == 0) {
-    delete this;
-    return 0U;
-  }
-  return ref_count_;
-}
-
-DWORD DropTargetWin::OnDragEnter(IDataObject* data_object,
-                                 DWORD key_state,
-                                 POINT cursor_position,
-                                 DWORD effect) {
-  return DROPEFFECT_NONE;
-}
-
-DWORD DropTargetWin::OnDragOver(IDataObject* data_object,
-                                DWORD key_state,
-                                POINT cursor_position,
-                                DWORD effect) {
-  return DROPEFFECT_NONE;
-}
-
-void DropTargetWin::OnDragLeave(IDataObject* data_object) {
-}
-
-DWORD DropTargetWin::OnDrop(IDataObject* data_object,
-                            DWORD key_state,
-                            POINT cursor_position,
-                            DWORD effect) {
-  return DROPEFFECT_NONE;
-}
-
-}  // namespace ui