mirror of
https://bitbucket.org/chromiumembedded/cef
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202 lines
7.5 KiB
C++
202 lines
7.5 KiB
C++
// Copyright 2015 The Chromium Embedded Framework Authors.
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// Portions copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef CEF_LIBCEF_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_H_
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#define CEF_LIBCEF_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_H_
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#include <map>
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#include <memory>
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#include "include/cef_extension_handler.h"
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#include "include/cef_request_context.h"
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#include "base/memory/weak_ptr.h"
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#include "base/one_shot_event.h"
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#include "extensions/browser/extension_system.h"
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namespace base {
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class DictionaryValue;
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}
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namespace content {
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class BrowserContext;
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}
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namespace extensions {
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class ExtensionRegistry;
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class ProcessManager;
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class RendererStartupHelper;
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// Used to manage extensions.
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class CefExtensionSystem : public ExtensionSystem {
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public:
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explicit CefExtensionSystem(content::BrowserContext* browser_context);
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CefExtensionSystem(const CefExtensionSystem&) = delete;
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CefExtensionSystem& operator=(const CefExtensionSystem&) = delete;
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~CefExtensionSystem() override;
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// Initializes the extension system.
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void Init();
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// Load an extension. For internal (built-in) extensions set |internal| to
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// true and |loader_context| and |handler| to NULL. For external extensions
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// set |internal| to false and |loader_context| must be the request context
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// that loaded the extension. |handler| is optional for internal extensions
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// and, if specified, will receive extension-related callbacks.
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void LoadExtension(const base::FilePath& root_directory,
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bool internal,
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CefRefPtr<CefRequestContext> loader_context,
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CefRefPtr<CefExtensionHandler> handler);
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void LoadExtension(const std::string& manifest_contents,
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const base::FilePath& root_directory,
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bool internal,
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CefRefPtr<CefRequestContext> loader_context,
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CefRefPtr<CefExtensionHandler> handler);
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void LoadExtension(std::unique_ptr<base::DictionaryValue> manifest,
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const base::FilePath& root_directory,
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bool internal,
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CefRefPtr<CefRequestContext> loader_context,
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CefRefPtr<CefExtensionHandler> handler);
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// Unload the external extension identified by |extension_id|.
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bool UnloadExtension(const std::string& extension_id);
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// Returns true if an extension matching |extension_id| is loaded.
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bool HasExtension(const std::string& extension_id) const;
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// Returns the loaded extention matching |extension_id| or NULL if not found.
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CefRefPtr<CefExtension> GetExtension(const std::string& extension_id) const;
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using ExtensionMap = std::map<std::string, CefRefPtr<CefExtension>>;
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// Returns the map of all loaded extensions.
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ExtensionMap GetExtensions() const;
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// Called when a request context is deleted. Unregisters any external
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// extensions that were registered with this context.
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void OnRequestContextDeleted(CefRequestContext* context);
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// KeyedService implementation:
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void Shutdown() override;
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// ExtensionSystem implementation:
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void InitForRegularProfile(bool extensions_enabled) override;
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ExtensionService* extension_service() override;
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ManagementPolicy* management_policy() override;
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ServiceWorkerManager* service_worker_manager() override;
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UserScriptManager* user_script_manager() override;
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StateStore* state_store() override;
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StateStore* rules_store() override;
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StateStore* dynamic_user_scripts_store() override;
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scoped_refptr<value_store::ValueStoreFactory> store_factory() override;
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InfoMap* info_map() override;
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QuotaService* quota_service() override;
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AppSorting* app_sorting() override;
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void RegisterExtensionWithRequestContexts(
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const Extension* extension,
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base::OnceClosure callback) override;
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void UnregisterExtensionWithRequestContexts(
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const std::string& extension_id) override;
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const base::OneShotEvent& ready() const override;
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bool is_ready() const override;
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ContentVerifier* content_verifier() override;
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std::unique_ptr<ExtensionSet> GetDependentExtensions(
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const Extension* extension) override;
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void InstallUpdate(const std::string& extension_id,
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const std::string& public_key,
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const base::FilePath& temp_dir,
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bool install_immediately,
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InstallUpdateCallback install_update_callback) override;
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void PerformActionBasedOnOmahaAttributes(
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const std::string& extension_id,
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const base::Value& attributes) override;
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bool FinishDelayedInstallationIfReady(const std::string& extension_id,
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bool install_immediately) override;
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bool initialized() const { return initialized_; }
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private:
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virtual void InitPrefs();
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// Information about a registered component extension.
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struct ComponentExtensionInfo {
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ComponentExtensionInfo(const base::DictionaryValue* manifest,
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const base::FilePath& root_directory,
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bool internal);
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// The parsed contents of the extensions's manifest file.
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const base::DictionaryValue* manifest;
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// Directory where the extension is stored.
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base::FilePath root_directory;
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// True if the extension is an internal (built-in) component.
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bool internal;
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};
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scoped_refptr<const Extension> CreateExtension(
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const ComponentExtensionInfo& info,
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std::string* utf8_error);
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// Loads a registered component extension.
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const Extension* LoadExtension(const ComponentExtensionInfo& info,
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CefRefPtr<CefRequestContext> loader_context,
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CefRefPtr<CefExtensionHandler> handler);
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// Unload the specified extension.
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void UnloadExtension(const std::string& extension_id,
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extensions::UnloadedExtensionReason reason);
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// Handles sending notification that |extension| was loaded.
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void NotifyExtensionLoaded(const Extension* extension);
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// Handles sending notification that |extension| was unloaded.
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void NotifyExtensionUnloaded(const Extension* extension,
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UnloadedExtensionReason reason);
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// Completes extension loading after URLRequestContexts have been updated
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// on the IO thread.
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void OnExtensionRegisteredWithRequestContexts(
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scoped_refptr<const extensions::Extension> extension);
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content::BrowserContext* browser_context_; // Not owned.
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bool initialized_;
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// Data to be accessed on the IO thread. Must outlive process_manager_.
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scoped_refptr<InfoMap> info_map_;
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std::unique_ptr<ServiceWorkerManager> service_worker_manager_;
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std::unique_ptr<QuotaService> quota_service_;
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std::unique_ptr<AppSorting> app_sorting_;
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std::unique_ptr<StateStore> state_store_;
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std::unique_ptr<StateStore> rules_store_;
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scoped_refptr<value_store::ValueStoreFactory> store_factory_;
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// Signaled when the extension system has completed its startup tasks.
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base::OneShotEvent ready_;
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// Sets of enabled/disabled/terminated/blacklisted extensions. Not owned.
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ExtensionRegistry* registry_;
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// The associated RendererStartupHelper. Guaranteed to outlive the
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// ExtensionSystem, and thus us.
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extensions::RendererStartupHelper* renderer_helper_;
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// Map of extension ID to CEF extension object.
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ExtensionMap extension_map_;
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// Must be the last member.
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base::WeakPtrFactory<CefExtensionSystem> weak_ptr_factory_;
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};
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} // namespace extensions
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#endif // CEF_LIBCEF_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_H_
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