Add chrome to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 127 insertions, 0 deletions

diff --git a/chrome/common/chrome_plugin_lib.h b/chrome/common/chrome_plugin_lib.h
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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef CHROME_COMMON_CHROME_PLUGIN_LIB_H__
+#define CHROME_COMMON_CHROME_PLUGIN_LIB_H__
+
+#include <hash_map>
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/ref_counted.h"
+#include "base/scoped_ptr.h"
+#include "chrome/common/chrome_plugin_api.h"
+
+// A ChromePluginLib is a single Chrome Plugin Library.
+// This class is used in the browser process (IO thread), and the plugin process
+// (plugin thread).  It should not be accessed on other threads, because it
+// issues a NOTIFY_CHROME_PLUGIN_UNLOADED notification.
+class ChromePluginLib : public base::RefCounted<ChromePluginLib>  {
+ public:
+  static ChromePluginLib* Create(const std::wstring& filename,
+                                 const CPBrowserFuncs* bfuncs);
+  static ChromePluginLib* Find(const std::wstring& filename);
+  static void Destroy(const std::wstring& filename);
+  static bool IsPluginThread();
+
+  static ChromePluginLib* FromCPID(CPID id) {
+    return reinterpret_cast<ChromePluginLib*>(id);
+  }
+
+  // Adds Chrome plugins to the NPAPI plugin list.
+  static void RegisterPluginsWithNPAPI();
+
+  // Loads all the plugin dlls that are marked as "LoadOnStartup" in the
+  // registry. This should only be called in the browser process.
+  static void LoadChromePlugins(const CPBrowserFuncs* bfuncs);
+
+  // Unloads all the loaded plugin dlls and cleans up the plugin map.
+  static void UnloadAllPlugins();
+
+  // Returns true if the plugin is currently loaded.
+  const bool is_loaded() const { return initialized_; }
+
+  // Get the Plugin's function pointer table.
+  const CPPluginFuncs& functions() const {
+    DCHECK(initialized_);
+    DCHECK(IsPluginThread());
+    return plugin_funcs_;
+  }
+
+  CPID cpid() { return reinterpret_cast<CPID>(this); }
+
+  const std::wstring& filename() { return filename_; }
+
+  // Plugin API functions
+
+  // Method to call a test function in the plugin, used for unit tests.
+  int CP_Test(void* param);
+
+  // The registroy path to search for Chrome Plugins/
+  static const TCHAR kRegistryChromePlugins[];
+
+ private:
+  friend class base::RefCounted<ChromePluginLib>;
+
+  ChromePluginLib(const std::wstring& filename);
+  ~ChromePluginLib();
+
+  // Method to initialize a Plugin.
+  // Initialize can be safely called multiple times.
+  bool CP_Initialize(const CPBrowserFuncs* bfuncs);
+
+  // Method to shutdown a Plugin.
+  void CP_Shutdown();
+
+  // Attempts to load the plugin from the DLL.
+  // Returns true if it is a legitimate plugin, false otherwise
+  bool Load();
+
+  // Unloading the plugin DLL.
+  void Unload();
+
+  std::wstring     filename_;         // the path to the DLL
+  HMODULE          module_;           // the opened DLL handle
+  bool             initialized_;      // is the plugin initialized
+
+  // DLL exports, looked up by name.
+  CP_VersionNegotiateFunc  CP_VersionNegotiate_;
+  CP_InitializeFunc       CP_Initialize_;
+
+  // Additional function pointers provided by the plugin.
+  CPPluginFuncs    plugin_funcs_;
+
+  // Used for unit tests.
+  typedef int (STDCALL *CP_TestFunc)(void*);
+  CP_TestFunc             CP_Test_;
+
+  DISALLOW_EVIL_CONSTRUCTORS(ChromePluginLib);
+};
+
+#endif  // CHROME_COMMON_CHROME_PLUGIN_LIB_H__