script_injection.cc | Explore in Territory

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "extensions/renderer/script_injection.h"

#include <map>
#include <utility>

#include "base/containers/contains.h"
#include "base/feature_list.h"
#include "base/functional/bind.h"
#include "base/lazy_instance.h"
#include "base/memory/raw_ptr.h"
#include "base/metrics/histogram_macros.h"
#include "base/time/time.h"
#include "base/timer/elapsed_timer.h"
#include "base/trace_event/typed_macros.h"
#include "base/tracing/protos/chrome_track_event.pbzero.h"
#include "base/values.h"
#include "content/public/renderer/render_frame.h"
#include "content/public/renderer/render_thread.h"
#include "extensions/common/extension_features.h"
#include "extensions/common/mojom/host_id.mojom.h"
#include "extensions/common/mojom/injection_type.mojom-shared.h"
#include "extensions/renderer/dom_activity_logger.h"
#include "extensions/renderer/extension_frame_helper.h"
#include "extensions/renderer/extensions_renderer_client.h"
#include "extensions/renderer/isolated_world_manager.h"
#include "extensions/renderer/scripts_run_info.h"
#include "extensions/renderer/trace_util.h"
#include "third_party/blink/public/platform/web_isolated_world_info.h"
#include "third_party/blink/public/web/web_document.h"
#include "third_party/blink/public/web/web_local_frame.h"
#include "third_party/blink/public/web/web_script_execution_callback.h"
#include "third_party/blink/public/web/web_script_source.h"

ChromeTrackEvent;

namespace extensions {

namespace {

const int64_t kInvalidRequestId = …;

// The id of the next pending injection.
int64_t g_next_pending_id = …;

}  // namespace

// Watches for the deletion of a RenderFrame, after which is_valid will return
// false.
class ScriptInjection::FrameWatcher : public content::RenderFrameObserver { … };

ScriptInjection::ScriptInjection(
    std::unique_ptr<ScriptInjector> injector,
    content::RenderFrame* render_frame,
    std::unique_ptr<const InjectionHost> injection_host,
    mojom::RunLocation run_location,
    bool log_activity)
    : … { … }

ScriptInjection::~ScriptInjection() { … }

ScriptInjection::InjectionResult ScriptInjection::TryToInject(
    mojom::RunLocation current_location,
    ScriptsRunInfo* scripts_run_info,
    StatusUpdatedCallback async_updated_callback) { … }

ScriptInjection::InjectionResult ScriptInjection::OnPermissionGranted(
    ScriptsRunInfo* scripts_run_info) { … }

void ScriptInjection::OnHostRemoved() { … }

void ScriptInjection::RequestPermissionFromBrowser(
    StatusUpdatedCallback async_updated_callback) { … }

void ScriptInjection::NotifyWillNotInject(
    ScriptInjector::InjectFailureReason reason) { … }

void ScriptInjection::HandlePermission(
    StatusUpdatedCallback async_updated_callback,
    bool granted) { … }

ScriptInjection::InjectionResult ScriptInjection::Inject(
    ScriptsRunInfo* scripts_run_info) { … }

void ScriptInjection::InjectJs(std::set<std::string>* executing_scripts,
                               size_t* num_injected_js_scripts) { … }

void ScriptInjection::OnJsInjectionCompleted(std::optional<base::Value> value,
                                             base::TimeTicks start_time) { … }

void ScriptInjection::InjectOrRemoveCss(
    std::set<std::string>* injected_stylesheets,
    size_t* num_injected_stylesheets) { … }

}  // namespace extensions
chromium/extensions/renderer/script_injection.cc
