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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_TAB_HELPER_H_
#define CHROME_BROWSER_EXTENSIONS_TAB_HELPER_H_
#include <memory>
#include <set>
#include <string>
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "chrome/common/extensions/webstore_install_result.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_contents_user_data.h"
#include "extensions/browser/api/declarative_net_request/web_contents_helper.h"
#include "extensions/browser/extension_function_dispatcher.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/extension_registry_observer.h"
#include "extensions/browser/permissions_manager.h"
#include "extensions/browser/script_executor.h"
#include "extensions/common/extension_id.h"
#include "extensions/common/stack_frame.h"
#include "third_party/skia/include/core/SkBitmap.h"
namespace content {
class RenderFrameHost;
}
namespace extensions {
class ExtensionActionRunner;
class Extension;
// Per-tab extension helper.
class TabHelper : public content::WebContentsObserver,
public ExtensionFunctionDispatcher::Delegate,
public ExtensionRegistryObserver,
public content::WebContentsUserData<TabHelper> {
public:
TabHelper(const TabHelper&) = delete;
TabHelper& operator=(const TabHelper&) = delete;
~TabHelper() override;
// Sets whether the tab will require a page reload for applying
// `site_setting`.
void SetReloadRequired(PermissionsManager::UserSiteSetting site_setting);
// Returns whether a page reload is required to apply the user site settings
// in the tab.
bool IsReloadRequired();
ScriptExecutor* script_executor() {
return script_executor_.get();
}
ExtensionActionRunner* extension_action_runner() {
return extension_action_runner_.get();
}
void OnWatchedPageChanged(const std::vector<std::string>& css_selectors);
private:
// Utility function to invoke member functions on all relevant
// ContentRulesRegistries.
template <class Func>
void InvokeForContentRulesRegistries(const Func& func);
explicit TabHelper(content::WebContents* web_contents);
friend class content::WebContentsUserData<TabHelper>;
// content::WebContentsObserver overrides.
void RenderFrameCreated(content::RenderFrameHost* host) override;
void DidFinishNavigation(
content::NavigationHandle* navigation_handle) override;
void DidCloneToNewWebContents(
content::WebContents* old_web_contents,
content::WebContents* new_web_contents) override;
void WebContentsDestroyed() override;
// ExtensionFunctionDispatcher::Delegate overrides.
WindowController* GetExtensionWindowController() const override;
content::WebContents* GetAssociatedWebContents() const override;
// ExtensionRegistryObserver:
void OnExtensionLoaded(content::BrowserContext* browser_context,
const Extension* extension) override;
void OnExtensionUnloaded(content::BrowserContext* browser_context,
const Extension* extension,
UnloadedExtensionReason reason) override;
// Sends our tab ID to `render_frame_host`.
void SetTabId(content::RenderFrameHost* render_frame_host);
raw_ptr<Profile> profile_;
std::unique_ptr<ScriptExecutor> script_executor_;
std::unique_ptr<ExtensionActionRunner> extension_action_runner_;
declarative_net_request::WebContentsHelper declarative_net_request_helper_;
// Whether the tab needs a page reload to apply the user site settings.
bool reload_required_ = false;
base::ScopedObservation<ExtensionRegistry, ExtensionRegistryObserver>
registry_observation_{this};
WEB_CONTENTS_USER_DATA_KEY_DECL();
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_TAB_HELPER_H_
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