Provides implementation of DragDropTypes for GTK.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/164178

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@22882 0039d316-1c4b-4281-b951-d872f2087c98

4 files changed, 52 insertions, 13 deletions

diff --git a/app/app.gyp b/app/app.gyp
index e63ff82..77e3a3d 100644
--- a/app/app.gyp
+++ b/app/app.gyp
@@ -63,7 +63,8 @@
         'app_paths.cc',
         'app_switches.h',
         'app_switches.cc',
-        'drag_drop_types.cc',
+        'drag_drop_types_gtk.cc',
+        'drag_drop_types_win.cc',
         'drag_drop_types.h',
         'gfx/canvas.cc',
         'gfx/canvas.h',
@@ -125,6 +126,17 @@
             '../build/linux/system.gyp:fontconfig',
             '../build/linux/system.gyp:gtk',
           ],
+          'conditions': [
+            ['toolkit_views==0 and chromeos==0', {
+              # Note: because of gyp predence rules this has to be defined as
+              # 'sources/' rather than 'sources!'.
+              'sources/': [
+                ['exclude', '^os_exchange_data_gtk.cc'],
+                ['exclude', '^os_exchange_data.h'],
+                ['exclude', '^drag_drop_types_gtk.cc'],
+              ],
+            }],
+          ],
         }],
         ['OS=="win"', {
           'sources': [
@@ -134,22 +146,11 @@
         }],
         ['OS!="win"', {
           'sources!': [
-            'drag_drop_types.cc',
             'drag_drop_types.h',
             'gfx/icon_util.cc',
             'gfx/icon_util.h',
             'os_exchange_data.cc',
           ],
-          'conditions': [
-            ['toolkit_views==0', {
-              # Note: because of gyp predence rules this has to be defined as
-              # 'sources/' rather than 'sources!'.
-              'sources/': [
-                ['exclude', '^os_exchange_data_gtk.cc'],
-                ['exclude', '^os_exchange_data.h'],
-              ],
-            }],
-          ],
         }],
       ],
     },
diff --git a/app/drag_drop_types.h b/app/drag_drop_types.h
index 52f35c9..011d386 100644
--- a/app/drag_drop_types.h
+++ b/app/drag_drop_types.h
@@ -1,10 +1,12 @@
-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// 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 APP_DRAG_DROP_TYPES_H_
 #define APP_DRAG_DROP_TYPES_H_
 
+#include "build/build_config.h"
+
 #include "base/basictypes.h"
 
 class DragDropTypes {
@@ -16,8 +18,13 @@ class DragDropTypes {
     DRAG_LINK = 1 << 2
   };
 
+#if defined(OS_WIN)
   static uint32 DragOperationToDropEffect(int drag_operation);
   static int DropEffectToDragOperation(uint32 effect);
+#elif defined(OS_LINUX)
+  static int DragOperationToGdkDragAction(int drag_operation);
+  static int GdkDragActionToDragOperation(int gdk_drag_action);
+#endif
 };
 
 #endif  // APP_DRAG_DROP_TYPES_H_
diff --git a/app/drag_drop_types_gtk.cc b/app/drag_drop_types_gtk.cc
new file mode 100644
index 0000000..1cab322
--- /dev/null
+++ b/app/drag_drop_types_gtk.cc
@@ -0,0 +1,31 @@
+// 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 "app/drag_drop_types.h"
+
+#include <gtk/gtk.h>
+
+// static
+int DragDropTypes::DragOperationToGdkDragAction(int drag_operation) {
+  int gdk_drag_action = 0;
+  if (drag_operation & DRAG_MOVE)
+    gdk_drag_action |= GDK_ACTION_MOVE;
+  if (drag_operation & DRAG_COPY)
+    gdk_drag_action |= GDK_ACTION_COPY;
+  if (drag_operation & DRAG_LINK)
+    gdk_drag_action |= GDK_ACTION_LINK;
+  return gdk_drag_action;
+}
+
+// static
+int DragDropTypes::GdkDragActionToDragOperation(int gdk_drag_action) {
+  int drag_operation = DRAG_NONE;
+  if (gdk_drag_action & GDK_ACTION_COPY)
+    drag_operation |= DRAG_COPY;
+  if (gdk_drag_action & GDK_ACTION_MOVE)
+    drag_operation |= DRAG_MOVE;
+  if (gdk_drag_action & GDK_ACTION_LINK)
+    drag_operation |= DRAG_LINK;
+  return drag_operation;
+}
diff --git a/app/drag_drop_types.cc b/app/drag_drop_types_win.cc
index 5944868..5944868 100644
--- a/app/drag_drop_types.cc
+++ b/app/drag_drop_types_win.cc