<webview>: Implement support for package-local chrome-extension:// URLs

chrome/common/extensions/webview_handler.h

+// Copyright (c) 2013 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 CHROME_COMMON_EXTENSIONS_WEBVIEW_HANDLER_H_
+#define CHROME_COMMON_EXTENSIONS_WEBVIEW_HANDLER_H_
+
+#include <string>
+
+#include "chrome/common/extensions/extension.h"
+#include "chrome/common/extensions/manifest_handler.h"
+
+namespace extensions {
+
+// A structure to hold the <webview> accessible extension resources
+// that may be specified in the manifest of an extension using the
+// "webview" key.
+struct WebviewInfo : public Extension::ManifestData {
+  // Define out of line constructor/destructor to please Clang.
+  WebviewInfo();
+  virtual ~WebviewInfo();
+
+  // Returns true if the specified resource is web accessible.
+  static bool IsResourceWebviewAccessible(const Extension* extension,
+                                          const std::string& partition_id,
+                                          const std::string& relative_path);
+
+  // Returns true when 'webview_accessible_resources' are defined for the
+  // app.
+  static bool HasWebviewAccessibleResources(const Extension* extension);
+
+  // Optional list of webview accessible extension resources.
+  std::vector<std::string> webview_privileged_partitions_;
+  URLPatternSet webview_accessible_resources_;
+};
+
+// Parses the "webview" manifest key.
+class WebviewHandler : public ManifestHandler {
+ public:
+  WebviewHandler();
+  virtual ~WebviewHandler();
+
+  virtual bool Parse(Extension* extension, string16* error) OVERRIDE;
+
+ private:
+  virtual const std::vector<std::string> Keys() const OVERRIDE;
+
+  DISALLOW_COPY_AND_ASSIGN(WebviewHandler);
+};
+
+}  // namespace extensions
+
+#endif  // CHROME_COMMON_EXTENSIONS_WEBVIEW_HANDLER_H_