web_ui_extension.cc | Explore in Territory

// 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.

#include "content/renderer/web_ui_extension.h"

#include <memory>
#include <utility>

#include "base/functional/bind.h"
#include "base/values.h"
#include "content/public/common/bindings_policy.h"
#include "content/public/common/url_constants.h"
#include "content/public/renderer/chrome_object_extensions_utils.h"
#include "content/public/renderer/render_frame.h"
#include "content/public/renderer/render_thread.h"
#include "content/public/renderer/v8_value_converter.h"
#include "content/renderer/web_ui_extension_data.h"
#include "gin/arguments.h"
#include "gin/function_template.h"
#include "third_party/blink/public/platform/scheduler/web_agent_group_scheduler.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_view.h"
#include "url/gurl.h"
#include "v8/include/v8-context.h"
#include "v8/include/v8-function.h"
#include "v8/include/v8-local-handle.h"
#include "v8/include/v8-object.h"

namespace content {

namespace {

bool ShouldRespondToRequest(blink::WebLocalFrame** frame_ptr,
                            RenderFrame** render_frame_ptr) { … }

// Get or create a `child_name` object in the `parent` object.
v8::Local<v8::Object> GetOrCreateChildObject(v8::Local<v8::Object> parent,
                                             const std::string& child_name,
                                             v8::Isolate* isolate,
                                             v8::Local<v8::Context> context) { … }

}  // namespace

// Exposes three methods:
//  - chrome.send: Used to send messages to the browser. Requires the message
//      name as the first argument and can have an optional second argument that
//      should be an array.
//  - chrome.getVariableValue: Returns value for the input variable name if such
//      a value was set by the browser. Else will return an empty string.
//  - chrome.timeTicks.nowInMicroseconds: Returns base::TimeTicks::Now() in
//      microseconds. Used for performance measuring.
void WebUIExtension::Install(blink::WebLocalFrame* frame) { … }

// static
void WebUIExtension::Send(gin::Arguments* args) { … }

// static
std::string WebUIExtension::GetVariableValue(const std::string& name) { … }

}  // namespace content
chromium/content/renderer/web_ui_extension.cc
