Move the ViewType enum to extensions\common.

BUG=162530
Review URL: https://codereview.chromium.org/13375017

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@191650 0039d316-1c4b-4281-b951-d872f2087c98

4 files changed, 131 insertions, 0 deletions

diff --git a/extensions/browser/view_type_utils.cc b/extensions/browser/view_type_utils.cc
new file mode 100644
index 0000000..a28381f
--- /dev/null
+++ b/extensions/browser/view_type_utils.cc
@@ -0,0 +1,44 @@
+// Copyright (c) 2012 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 "extensions/browser/view_type_utils.h"
+
+#include "base/lazy_instance.h"
+#include "content/public/browser/web_contents.h"
+
+using content::WebContents;
+
+namespace extensions {
+
+namespace {
+
+const char kViewTypeUserDataKey[] = "ViewTypeUserData";
+
+class ViewTypeUserData : public base::SupportsUserData::Data {
+ public:
+  explicit ViewTypeUserData(ViewType type) : type_(type) {}
+  virtual ~ViewTypeUserData() {}
+  ViewType type() { return type_; }
+
+ private:
+  ViewType type_;
+};
+
+}  // namespace
+
+ViewType GetViewType(WebContents* tab) {
+  if (!tab)
+    return VIEW_TYPE_INVALID;
+
+  ViewTypeUserData* user_data = static_cast<ViewTypeUserData*>(
+      tab->GetUserData(&kViewTypeUserDataKey));
+
+  return user_data ? user_data->type() : VIEW_TYPE_INVALID;
+}
+
+void SetViewType(WebContents* tab, ViewType type) {
+  tab->SetUserData(&kViewTypeUserDataKey, new ViewTypeUserData(type));
+}
+
+}  // namespace chrome
diff --git a/extensions/browser/view_type_utils.h b/extensions/browser/view_type_utils.h
new file mode 100644
index 0000000..4667be4
--- /dev/null
+++ b/extensions/browser/view_type_utils.h
@@ -0,0 +1,24 @@
+// Copyright (c) 2012 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 EXTENSIONS_BROWSER_VIEW_TYPE_UTILS_H_
+#define EXTENSIONS_BROWSER_VIEW_TYPE_UTILS_H_
+
+#include "extensions/common/view_type.h"
+
+namespace content {
+class WebContents;
+}
+
+namespace extensions {
+
+// Get/Set the type of a WebContents.
+// GetViewType handles a NULL |tab| for convenience by returning
+// VIEW_TYPE_INVALID.
+ViewType GetViewType(content::WebContents* tab);
+void SetViewType(content::WebContents* tab, ViewType type);
+
+}  // namespace chrome
+
+#endif  // EXTENSIONS_BROWSER_VIEW_TYPE_UTILS_H_
diff --git a/extensions/common/view_type.cc b/extensions/common/view_type.cc
new file mode 100644
index 0000000..679532a
--- /dev/null
+++ b/extensions/common/view_type.cc
@@ -0,0 +1,19 @@
+// Copyright (c) 2012 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 "extensions/common/view_type.h"
+
+namespace extensions {
+
+const char kViewTypeTabContents[] = "TAB";
+const char kViewTypeBackgroundPage[] = "BACKGROUND";
+const char kViewTypePopup[] = "POPUP";
+const char kViewTypePanel[] = "PANEL";
+const char kViewTypeInfobar[] = "INFOBAR";
+const char kViewTypeNotification[] = "NOTIFICATION";
+const char kViewTypeExtensionDialog[] = "EXTENSION_DIALOG";
+const char kViewTypeAppShell[] = "SHELL";
+const char kViewTypeAll[] = "ALL";
+
+}  // namespace extensions
diff --git a/extensions/common/view_type.h b/extensions/common/view_type.h
new file mode 100644
index 0000000..690ecab
--- /dev/null
+++ b/extensions/common/view_type.h
@@ -0,0 +1,44 @@
+// Copyright (c) 2012 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 EXTENSIONS_COMMON_VIEW_TYPE_H_
+#define EXTENSIONS_COMMON_VIEW_TYPE_H_
+
+namespace extensions {
+
+// Icky RTTI used by a few systems to distinguish the host type of a given
+// WebContents.
+//
+// TODO(aa): Remove this and teach those systems to keep track of their own
+// data.
+enum ViewType {
+  VIEW_TYPE_INVALID,
+  VIEW_TYPE_APP_SHELL,
+  VIEW_TYPE_BACKGROUND_CONTENTS,
+  VIEW_TYPE_EXTENSION_BACKGROUND_PAGE,
+  VIEW_TYPE_EXTENSION_DIALOG,
+  VIEW_TYPE_EXTENSION_INFOBAR,
+  VIEW_TYPE_EXTENSION_POPUP,
+  // TODO(jam): remove this once http://crbug.com/137297 is fixed and HTML5
+  // notifications don't use WebContents.
+  VIEW_TYPE_NOTIFICATION,
+  VIEW_TYPE_PANEL,
+  VIEW_TYPE_TAB_CONTENTS,
+};
+
+// Constant strings corresponding to the Type enumeration values.  Used
+// when converting JS arguments.
+extern const char kViewTypeAll[];
+extern const char kViewTypeAppShell[];
+extern const char kViewTypeBackgroundPage[];
+extern const char kViewTypeExtensionDialog[];
+extern const char kViewTypeInfobar[];
+extern const char kViewTypeNotification[];
+extern const char kViewTypePanel[];
+extern const char kViewTypePopup[];
+extern const char kViewTypeTabContents[];
+
+}  // namespace extensions
+
+#endif  // EXTENSIONS_COMMON_VIEW_TYPE_H_