cef/libcef/common/content_client.h

132 lines
5.3 KiB
C++

// Copyright 2015 The Chromium Embedded Framework Authors.
// Portions copyright 2014 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 CEF_LIBCEF_COMMON_CONTENT_CLIENT_H_
#define CEF_LIBCEF_COMMON_CONTENT_CLIENT_H_
#pragma once
#include <list>
#include <string>
#include <vector>
#include "include/cef_app.h"
#include "base/compiler_specific.h"
#include "content/public/common/content_client.h"
#include "content/public/common/pepper_plugin_info.h"
#include "ui/base/resource/resource_bundle.h"
#include "url/url_util.h"
class CefContentClient : public content::ContentClient,
public ui::ResourceBundle::Delegate {
public:
static const char kPDFPluginPath[];
explicit CefContentClient(CefRefPtr<CefApp> application);
~CefContentClient() override;
// Returns the singleton CefContentClient instance.
static CefContentClient* Get();
// content::ContentClient methods.
void AddPepperPlugins(
std::vector<content::PepperPluginInfo>* plugins) override;
void AddAdditionalSchemes(Schemes* schemes) override;
std::string GetProduct() const override;
std::string GetChromeProduct() const override;
std::string GetUserAgent() const override;
base::string16 GetLocalizedString(int message_id) const override;
base::StringPiece GetDataResource(
int resource_id,
ui::ScaleFactor scale_factor) const override;
base::RefCountedMemory* GetDataResourceBytes(int resource_id) const override;
gfx::Image& GetNativeImageNamed(int resource_id) const override;
// Values are registered with all processes (url/url_util.h) and with Blink
// (SchemeRegistry) unless otherwise indicated.
struct SchemeInfo {
// Lower-case ASCII scheme name.
std::string scheme_name;
// A scheme that is subject to URL canonicalization and parsing rules as
// defined in the Common Internet Scheme Syntax RFC 1738 Section 3.1
// available at http://www.ietf.org/rfc/rfc1738.txt.
// This value is not registered with Blink.
bool is_standard;
// A scheme that will be treated the same as "file". For example, normal
// pages cannot link to or access URLs of this scheme.
bool is_local;
// A scheme that can only be displayed from other content hosted with the
// same scheme. For example, pages in other origins cannot create iframes or
// hyperlinks to URLs with the scheme. For schemes that must be accessible
// from other schemes set this value to false, set |is_cors_enabled| to
// true, and use CORS "Access-Control-Allow-Origin" headers to further
// restrict access.
// This value is registered with Blink only.
bool is_display_isolated;
// A scheme that will be treated the same as "https". For example, loading
// this scheme from other secure schemes will not trigger mixed content
// warnings.
bool is_secure;
// A scheme that can be sent CORS requests. This value should be true in
// most cases where |is_standard| is true.
bool is_cors_enabled;
// A scheme that can bypass Content-Security-Policy (CSP) checks. This value
// should be false in most cases where |is_standard| is true.
bool is_csp_bypassing;
};
typedef std::list<SchemeInfo> SchemeInfoList;
// Custom scheme information will be registered first with all processes
// (url/url_util.h) via CefContentClient::AddAdditionalSchemes which calls
// AddCustomScheme, and second with Blink (SchemeRegistry) via
// CefContentRendererClient::WebKitInitialized which calls GetCustomSchemes.
void AddCustomScheme(const SchemeInfo& scheme_info);
const SchemeInfoList* GetCustomSchemes();
bool HasCustomScheme(const std::string& scheme_name);
CefRefPtr<CefApp> application() const { return application_; }
void set_pack_loading_disabled(bool val) { pack_loading_disabled_ = val; }
bool pack_loading_disabled() const { return pack_loading_disabled_; }
void set_allow_pack_file_load(bool val) { allow_pack_file_load_ = val; }
static void SetPDFEntryFunctions(
content::PepperPluginInfo::GetInterfaceFunc get_interface,
content::PepperPluginInfo::PPP_InitializeModuleFunc initialize_module,
content::PepperPluginInfo::PPP_ShutdownModuleFunc shutdown_module);
private:
// ui::ResourceBundle::Delegate methods.
base::FilePath GetPathForResourcePack(const base::FilePath& pack_path,
ui::ScaleFactor scale_factor) override;
base::FilePath GetPathForLocalePack(const base::FilePath& pack_path,
const std::string& locale) override;
gfx::Image GetImageNamed(int resource_id) override;
gfx::Image GetNativeImageNamed(int resource_id) override;
base::RefCountedStaticMemory* LoadDataResourceBytes(
int resource_id,
ui::ScaleFactor scale_factor) override;
bool GetRawDataResource(int resource_id,
ui::ScaleFactor scale_factor,
base::StringPiece* value) override;
bool GetLocalizedString(int message_id, base::string16* value) override;
CefRefPtr<CefApp> application_;
bool pack_loading_disabled_;
bool allow_pack_file_load_;
// Custom schemes handled by the client.
SchemeInfoList scheme_info_list_;
bool scheme_info_list_locked_;
};
#endif // CEF_LIBCEF_COMMON_CONTENT_CLIENT_H_