Gets find bar animation/clipping to work on views/gtk.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/340077

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@30903 0039d316-1c4b-4281-b951-d872f2087c98

4 files changed, 60 insertions, 1 deletions

diff --git a/base/base.gyp b/base/base.gyp
index 7ead978..b79568d 100644
--- a/base/base.gyp
+++ b/base/base.gyp
@@ -253,6 +253,7 @@
         'scoped_cftyperef.h',
         'scoped_comptr_win.h',
         'scoped_handle.h',
+        'scoped_handle_gtk.h',
         'scoped_handle_win.h',
         'scoped_nsautorelease_pool.h',
         'scoped_nsautorelease_pool.mm',
diff --git a/base/scoped_handle.h b/base/scoped_handle.h
index e53b2dd..913271d6 100644
--- a/base/scoped_handle.h
+++ b/base/scoped_handle.h
@@ -11,6 +11,8 @@
 
 #if defined(OS_WIN)
 #include "base/scoped_handle_win.h"
+#elif defined(OS_LINUX)
+#include "base/scoped_handle_gtk.h"
 #endif
 
 class ScopedStdioHandle {
diff --git a/base/scoped_handle_gtk.h b/base/scoped_handle_gtk.h
new file mode 100644
index 0000000..06dd64d
--- /dev/null
+++ b/base/scoped_handle_gtk.h
@@ -0,0 +1,50 @@
+// 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.
+
+#ifndef BASE_SCOPED_HANDLE_GTK_H_
+#define BASE_SCOPED_HANDLE_GTK_H_
+
+#include <gdk/gdk.h>
+
+// Wraps a GdkRegion. This class provides the same methods as ScopedGDIObject in
+// scoped_handle_win.
+class ScopedRegion {
+ public:
+  ScopedRegion() : region_(NULL) {}
+  explicit ScopedRegion(GdkRegion* region) : region_(region) {}
+
+  ~ScopedRegion() {
+    Close();
+  }
+
+  void Set(GdkRegion* region) {
+    Close();
+
+    region_ = region;
+  }
+
+  GdkRegion* Get() {
+    return region_;
+  }
+
+  GdkRegion* release() {
+    GdkRegion* region = region_;
+    region_ = NULL;
+    return region;
+  }
+
+ private:
+  void Close() {
+    if (region_) {
+      gdk_region_destroy(region_);
+      region_ = NULL;
+    }
+  }
+
+  GdkRegion* region_;
+
+  DISALLOW_COPY_AND_ASSIGN(ScopedRegion);
+};
+
+#endif  // BASE_SCOPED_HANDLE_GTK_H_
diff --git a/base/scoped_handle_win.h b/base/scoped_handle_win.h
index dbd0627..6375ad9 100644
--- a/base/scoped_handle_win.h
+++ b/base/scoped_handle_win.h
@@ -168,6 +168,12 @@ class ScopedGDIObject {
     return *this;
   }
 
+  T release() {
+    T object = object_;
+    object_ = NULL;
+    return object;
+  }
+
   operator T() { return object_; }
 
  private:
@@ -182,7 +188,7 @@ class ScopedGDIObject {
 
 // Typedefs for some common use cases.
 typedef ScopedGDIObject<HBITMAP> ScopedBitmap;
-typedef ScopedGDIObject<HRGN> ScopedHRGN;
+typedef ScopedGDIObject<HRGN> ScopedRegion;
 typedef ScopedGDIObject<HFONT> ScopedHFONT;