summaryrefslogtreecommitdiffstats
path: root/base/base_drop_target.cc
diff options
context:
space:
mode:
Diffstat (limited to 'base/base_drop_target.cc')
-rw-r--r--base/base_drop_target.cc19
1 files changed, 9 insertions, 10 deletions
diff --git a/base/base_drop_target.cc b/base/base_drop_target.cc
index 7c1790e..9809255 100644
--- a/base/base_drop_target.cc
+++ b/base/base_drop_target.cc
@@ -2,11 +2,10 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-#include <windows.h>
-#include <shlobj.h>
-
#include "base/base_drop_target.h"
+#include <shlobj.h>
+
#include "base/logging.h"
///////////////////////////////////////////////////////////////////////////////
@@ -14,11 +13,12 @@
IDropTargetHelper* BaseDropTarget::cached_drop_target_helper_ = NULL;
BaseDropTarget::BaseDropTarget(HWND hwnd)
- : suspend_(false),
- ref_count_(0),
- hwnd_(hwnd) {
+ : hwnd_(hwnd),
+ suspend_(false),
+ ref_count_(0) {
DCHECK(hwnd);
HRESULT result = RegisterDragDrop(hwnd, this);
+ DCHECK(SUCCEEDED(result));
}
BaseDropTarget::~BaseDropTarget() {
@@ -125,14 +125,13 @@ HRESULT BaseDropTarget::QueryInterface(const IID& iid, void** object) {
}
ULONG BaseDropTarget::AddRef() {
- return InterlockedIncrement(&ref_count_);
+ return ++ref_count_;
}
ULONG BaseDropTarget::Release() {
- if (InterlockedDecrement(&ref_count_) == 0) {
- ULONG copied_refcnt = ref_count_;
+ if (--ref_count_ == 0) {
delete this;
- return copied_refcnt;
+ return 0U;
}
return ref_count_;
}