From 6093d7478e0889fc079b7dd8fb840e9786e8e9cc Mon Sep 17 00:00:00 2001
From: "mkwst@chromium.org"
 <mkwst@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Date: Fri, 26 Aug 2011 16:37:18 +0000
Subject: Initial implementation of `chrome.clear.*` extension API.

Opens up the `BrowsingDataRemover::Remove()` functionality to extensions: initial implementation, so it's sitting behind the experimental flag to work out kinks in the API/code.

BUG=83530,54853
TEST=browser_tests


Review URL: http://codereview.chromium.org/7551008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@98429 0039d316-1c4b-4281-b951-d872f2087c98
---
 chrome/browser/extensions/extension_clear_api.h | 129 ++++++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100644 chrome/browser/extensions/extension_clear_api.h

(limited to 'chrome/browser/extensions/extension_clear_api.h')

diff --git a/chrome/browser/extensions/extension_clear_api.h b/chrome/browser/extensions/extension_clear_api.h
new file mode 100644
index 0000000..46c89cb
--- /dev/null
+++ b/chrome/browser/extensions/extension_clear_api.h
@@ -0,0 +1,129 @@
+// Copyright (c) 2011 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.
+
+// Defines the Chrome Extensions Clear API functions, which entail
+// clearing browsing data, and clearing the browser's cache (which, let's be
+// honest, are the same thing), as specified in
+// chrome/common/extensions/api/extension_api.json.
+
+#ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_CLEAR_API_H_
+#define CHROME_BROWSER_EXTENSIONS_EXTENSION_CLEAR_API_H_
+#pragma once
+
+#include <string>
+
+#include "chrome/browser/browsing_data_remover.h"
+#include "chrome/browser/extensions/extension_function.h"
+
+namespace base {
+class DictionaryValue;
+}
+
+// This serves as a base class from which the browsing data API functions will
+// inherit. Each needs to be an observer of BrowsingDataRemover events, and each
+// will handle those events in the same way (by calling the passed-in callback
+// function).
+//
+// Each child class must implement GetRemovalMask(), which returns the bitmask
+// of data types to remove.
+class BrowsingDataExtensionFunction : public AsyncExtensionFunction,
+                                      public BrowsingDataRemover::Observer {
+ public:
+  // BrowsingDataRemover::Observer interface method.
+  virtual void OnBrowsingDataRemoverDone() OVERRIDE;
+
+  // AsyncExtensionFunction interface method.
+  virtual bool RunImpl() OVERRIDE;
+
+ protected:
+  // Children should override this method to provide the proper removal mask
+  // based on the API call they represent.
+  virtual int GetRemovalMask() const = 0;
+};
+
+class ClearBrowsingDataFunction : public BrowsingDataExtensionFunction {
+ public:
+  ClearBrowsingDataFunction() {}
+  virtual ~ClearBrowsingDataFunction() {}
+
+ protected:
+  // BrowsingDataExtensionFunction interface method.
+  virtual int GetRemovalMask() const OVERRIDE;
+
+  DECLARE_EXTENSION_FUNCTION_NAME("experimental.clear.browsingData")
+};
+
+class ClearCacheFunction : public BrowsingDataExtensionFunction {
+ public:
+  ClearCacheFunction() {}
+  virtual ~ClearCacheFunction() {}
+
+ protected:
+  // BrowsingDataTypeExtensionFunction interface method.
+  virtual int GetRemovalMask() const OVERRIDE;
+
+  DECLARE_EXTENSION_FUNCTION_NAME("experimental.clear.cache")
+};
+
+class ClearCookiesFunction : public BrowsingDataExtensionFunction {
+ public:
+  ClearCookiesFunction() {}
+  virtual ~ClearCookiesFunction() {}
+
+ protected:
+  // BrowsingDataTypeExtensionFunction interface method.
+  virtual int GetRemovalMask() const OVERRIDE;
+
+  DECLARE_EXTENSION_FUNCTION_NAME("experimental.clear.cookies")
+};
+
+class ClearDownloadsFunction : public BrowsingDataExtensionFunction {
+ public:
+  ClearDownloadsFunction() {}
+  virtual ~ClearDownloadsFunction() {}
+
+ protected:
+  // BrowsingDataTypeExtensionFunction interface method.
+  virtual int GetRemovalMask() const OVERRIDE;
+
+  DECLARE_EXTENSION_FUNCTION_NAME("experimental.clear.downloads")
+};
+
+class ClearFormDataFunction : public BrowsingDataExtensionFunction {
+ public:
+  ClearFormDataFunction() {}
+  virtual ~ClearFormDataFunction() {}
+
+ protected:
+  // BrowsingDataTypeExtensionFunction interface method.
+  virtual int GetRemovalMask() const OVERRIDE;
+
+  DECLARE_EXTENSION_FUNCTION_NAME("experimental.clear.formData")
+};
+
+class ClearHistoryFunction : public BrowsingDataExtensionFunction {
+ public:
+  ClearHistoryFunction() {}
+  virtual ~ClearHistoryFunction() {}
+
+ protected:
+  // BrowsingDataTypeExtensionFunction interface method.
+  virtual int GetRemovalMask() const OVERRIDE;
+
+  DECLARE_EXTENSION_FUNCTION_NAME("experimental.clear.history")
+};
+
+class ClearPasswordsFunction : public BrowsingDataExtensionFunction {
+ public:
+  ClearPasswordsFunction() {}
+  virtual ~ClearPasswordsFunction() {}
+
+ protected:
+  // BrowsingDataTypeExtensionFunction interface method.
+  virtual int GetRemovalMask() const OVERRIDE;
+
+  DECLARE_EXTENSION_FUNCTION_NAME("experimental.clear.passwords")
+};
+
+#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_CLEAR_API_H_
-- 
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