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// 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 CHROME_COMMON_CHROME_CONTENT_CLIENT_H_
#define CHROME_COMMON_CHROME_CONTENT_CLIENT_H_
#include <memory>
#include <set>
#include <string>
#include <vector>
#include "base/compiler_specific.h"
#include "base/files/file_path.h"
#include "base/synchronization/lock.h"
#include "build/build_config.h"
#include "chrome/common/buildflags.h"
#include "chrome/common/origin_trials/chrome_origin_trial_policy.h"
#include "components/nacl/common/buildflags.h"
#include "content/public/common/content_client.h"
#include "pdf/buildflags.h"
#include "ppapi/buildflags/buildflags.h"
#if BUILDFLAG(ENABLE_PLUGINS)
#include "content/public/common/pepper_plugin_info.h"
#endif
class ChromeContentClient : public content::ContentClient {
public:
#if defined(GOOGLE_CHROME_BUILD)
// |kNotPresent| is a placeholder plugin location for plugins that are not
// currently present in this installation of Chrome, but which can be fetched
// on-demand and therefore should still appear in navigator.plugins.
static const base::FilePath::CharType kNotPresent[];
#endif
#if BUILDFLAG(ENABLE_NACL)
static const base::FilePath::CharType kNaClPluginFileName[];
#endif
static const char kPDFExtensionPluginName[];
static const char kPDFInternalPluginName[];
static const base::FilePath::CharType kPDFPluginPath[];
ChromeContentClient();
~ChromeContentClient() override;
// The methods below are called by child processes to set the function
// pointers for built-in plugins. We avoid linking these plugins into
// chrome_common because then on Windows we would ship them twice because of
// the split DLL.
#if BUILDFLAG(ENABLE_NACL)
static void SetNaClEntryFunctions(
content::PepperPluginInfo::GetInterfaceFunc get_interface,
content::PepperPluginInfo::PPP_InitializeModuleFunc initialize_module,
content::PepperPluginInfo::PPP_ShutdownModuleFunc shutdown_module);
#endif
#if BUILDFLAG(ENABLE_PLUGINS) && BUILDFLAG(ENABLE_PDF)
static void SetPDFEntryFunctions(
content::PepperPluginInfo::GetInterfaceFunc get_interface,
content::PepperPluginInfo::PPP_InitializeModuleFunc initialize_module,
content::PepperPluginInfo::PPP_ShutdownModuleFunc shutdown_module);
#endif
#if BUILDFLAG(ENABLE_PLUGINS)
// This returns the most recent plugin based on the plugin versions. In the
// event of a tie, a debug plugin will be considered more recent than a
// non-debug plugin.
// It does not make sense to call this on a vector that contains more than one
// plugin type. This function may return a nullptr if given an empty vector.
// The method is only visible for testing purposes.
static content::PepperPluginInfo* FindMostRecentPlugin(
const std::vector<std::unique_ptr<content::PepperPluginInfo>>& plugins);
#endif
void SetActiveURL(const GURL& url, std::string top_origin) override;
void SetGpuInfo(const gpu::GPUInfo& gpu_info) override;
void AddPepperPlugins(
std::vector<content::PepperPluginInfo>* plugins) override;
void AddContentDecryptionModules(
std::vector<content::CdmInfo>* cdms,
std::vector<media::CdmHostFilePath>* cdm_host_file_paths) override;
void AddAdditionalSchemes(Schemes* schemes) override;
base::string16 GetLocalizedString(int message_id) override;
base::string16 GetLocalizedString(int message_id,
const base::string16& replacement) override;
base::StringPiece GetDataResource(int resource_id,
ui::ScaleFactor scale_factor) override;
base::RefCountedMemory* GetDataResourceBytes(int resource_id) override;
gfx::Image& GetNativeImageNamed(int resource_id) override;
base::DictionaryValue GetNetLogConstants() override;
std::string GetProcessTypeNameInEnglish(int type) override;
bool AllowScriptExtensionForServiceWorker(
const url::Origin& script_origin) override;
blink::OriginTrialPolicy* GetOriginTrialPolicy() override;
#if defined(OS_ANDROID)
media::MediaDrmBridgeClient* GetMediaDrmBridgeClient() override;
#endif // OS_ANDROID
void BindChildProcessInterface(
const std::string& interface_name,
mojo::ScopedMessagePipeHandle* receiving_handle) override;
private:
// Used to lock when |origin_trial_policy_| is initialized.
base::Lock origin_trial_policy_lock_;
std::unique_ptr<ChromeOriginTrialPolicy> origin_trial_policy_;
};
#endif // CHROME_COMMON_CHROME_CONTENT_CLIENT_H_
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