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// 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.
#ifndef CHROME_COMMON_PEPPER_PLUGIN_REGISTRY_H_
#define CHROME_COMMON_PEPPER_PLUGIN_REGISTRY_H_
#pragma once
#include <map>
#include <string>
#include <vector>
#include "base/file_path.h"
#include "webkit/plugins/ppapi/plugin_delegate.h"
#include "webkit/plugins/ppapi/plugin_module.h"
struct PepperPluginInfo {
PepperPluginInfo();
~PepperPluginInfo();
// Indicates internal plugins for which there's not actually a library.
// Defaults to false.
bool is_internal;
// True when this plugin should be run out of process. Defaults to false.
bool is_out_of_process;
FilePath path; // Internal plugins have "internal-[name]" as path.
std::vector<std::string> mime_types;
std::string name;
std::string description;
std::string file_extensions;
std::string type_descriptions;
};
// This class holds references to all of the known pepper plugin modules.
//
// It keeps two lists. One list of preloaded in-process modules, and one list
// is a list of all live modules (some of which may be out-of-process and hence
// not preloaded).
class PepperPluginRegistry
: public webkit::ppapi::PluginDelegate::ModuleLifetime {
public:
~PepperPluginRegistry();
static const char* kPDFPluginName;
static const char* kPDFPluginMimeType;
static const char* kPDFPluginExtension;
static const char* kPDFPluginDescription;
static const char* kNaClPluginName;
static const char* kNaClPluginMimeType;
static const char* kNaClPluginExtension;
static const char* kNaClPluginDescription;
static PepperPluginRegistry* GetInstance();
// Returns the list of known pepper plugins. This method is static so that
// it can be used by the browser process, which has no need to load the
// pepper plugin modules.
static void GetList(std::vector<PepperPluginInfo>* plugins);
// Loads the (native) libraries but does not initialize them (i.e., does not
// call PPP_InitializeModule). This is needed by the zygote on Linux to get
// access to the plugins before entering the sandbox.
static void PreloadModules();
// Returns true if the given plugin is a pepper plugin that should be run
// out of process.
bool RunOutOfProcessForPlugin(const FilePath& path) const;
// Returns an existing loaded module for the given path. It will search for
// both preloaded in-process or currently active out-of-process plugins
// matching the given name. Returns NULL if the plugin hasn't been loaded.
webkit::ppapi::PluginModule* GetModule(const FilePath& path);
// Notifies the registry that a new non-preloaded module has been created.
// This is normally called for out-of-process plugins. Once this is called,
// the module is available to be returned by GetModule(). The module will
// automatically unregister itself by calling PluginModuleDestroyed().
void AddLiveModule(const FilePath& path, webkit::ppapi::PluginModule* module);
// ModuleLifetime implementation.
virtual void PluginModuleDestroyed(
webkit::ppapi::PluginModule* destroyed_module);
private:
static void GetPluginInfoFromSwitch(std::vector<PepperPluginInfo>* plugins);
static void GetExtraPlugins(std::vector<PepperPluginInfo>* plugins);
struct InternalPluginInfo : public PepperPluginInfo {
InternalPluginInfo(); // Sets |is_internal|.
webkit::ppapi::PluginModule::EntryPoints entry_points;
};
typedef std::vector<InternalPluginInfo> InternalPluginInfoList;
static void GetInternalPluginInfo(InternalPluginInfoList* plugin_info);
PepperPluginRegistry();
typedef std::map<FilePath, scoped_refptr<webkit::ppapi::PluginModule> >
OwningModuleMap;
OwningModuleMap preloaded_modules_;
// A list of non-owning pointers to all currently-live plugin modules. This
// includes both preloaded ones in preloaded_modules_, and out-of-process
// modules whose lifetime is managed externally.
typedef std::map<FilePath, webkit::ppapi::PluginModule*> NonOwningModuleMap;
NonOwningModuleMap live_modules_;
};
#endif // CHROME_COMMON_PEPPER_PLUGIN_REGISTRY_H_
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