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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_EXTENSIONS_NAVIGATION_EXTENSION_ENABLER_H_
#define CHROME_BROWSER_EXTENSIONS_NAVIGATION_EXTENSION_ENABLER_H_
#include <memory>
#include <set>
#include <string>
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/scoped_observation.h"
#include "chrome/browser/extensions/extension_install_prompt.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_contents_user_data.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/extension_registry_observer.h"
namespace extensions {
// The NavigationExtensionEnabler listens to navigation notifications. If the
// user navigates into an extension that has been disabled due to a permission
// increase, it prompts the user to accept the new permissions and re-enables
// the extension.
class NavigationExtensionEnabler
: public content::WebContentsObserver,
public content::WebContentsUserData<NavigationExtensionEnabler>,
public ExtensionRegistryObserver {
public:
NavigationExtensionEnabler(const NavigationExtensionEnabler&) = delete;
NavigationExtensionEnabler& operator=(const NavigationExtensionEnabler&) =
delete;
~NavigationExtensionEnabler() override;
private:
explicit NavigationExtensionEnabler(content::WebContents* web_contents);
friend class content::WebContentsUserData<NavigationExtensionEnabler>;
// Checks if the WebContents has navigated to an extension's web extent. If it
// has and the extension is disabled due to a permissions increase, this
// prompts the user to accept the new permissions and enables the extension.
void PromptToEnableExtensionIfNecessary(const GURL& url);
void OnInstallPromptDone(ExtensionInstallPrompt::DoneCallbackPayload payload);
// content::WebContentsObserver:
void NavigationEntryCommitted(
const content::LoadCommittedDetails& load_details) override;
// extensions::ExtensionRegistryObserver:
void OnExtensionUninstalled(content::BrowserContext* browser_context,
const Extension* extension,
UninstallReason reason) override;
// The UI used to confirm enabling extensions.
std::unique_ptr<ExtensionInstallPrompt> extension_install_prompt_;
// The data we keep track of when prompting to enable extensions.
std::string in_progress_prompt_extension_id_;
base::ScopedObservation<ExtensionRegistry, ExtensionRegistryObserver>
extension_registry_observation_{this};
base::WeakPtrFactory<NavigationExtensionEnabler> weak_factory_{this};
WEB_CONTENTS_USER_DATA_KEY_DECL();
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_NAVIGATION_EXTENSION_ENABLER_H_
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