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// 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/runtime_custom_bindings.h"
#include <stdint.h>
#include <memory>
#include "base/functional/bind.h"
#include "extensions/common/extension.h"
#include "extensions/common/mojom/view_type.mojom.h"
#include "extensions/common/view_type_util.h"
#include "extensions/renderer/extension_frame_helper.h"
#include "extensions/renderer/script_context.h"
#include "v8/include/v8-container.h"
#include "v8/include/v8-function-callback.h"
#include "v8/include/v8-primitive.h"
namespace extensions {
RuntimeCustomBindings::RuntimeCustomBindings(ScriptContext* context)
: ObjectBackedNativeHandler(context) {}
RuntimeCustomBindings::~RuntimeCustomBindings() = default;
void RuntimeCustomBindings::AddRoutes() {
RouteHandlerFunction(
"GetExtensionViews",
base::BindRepeating(&RuntimeCustomBindings::GetExtensionViews,
base::Unretained(this)));
}
void RuntimeCustomBindings::GetExtensionViews(
const v8::FunctionCallbackInfo<v8::Value>& args) {
CHECK_EQ(args.Length(), 3);
CHECK(args[0]->IsInt32());
CHECK(args[1]->IsInt32());
CHECK(args[2]->IsString());
// |browser_window_id| == extension_misc::kUnknownWindowId means getting
// all views for the current extension.
int browser_window_id = args[0].As<v8::Int32>()->Value();
int tab_id = args[1].As<v8::Int32>()->Value();
std::string view_type_string =
base::ToUpperASCII(*v8::String::Utf8Value(args.GetIsolate(), args[2]));
// |view_type| == mojom::ViewType::kInvalid means getting any type of
// views.
mojom::ViewType view_type = mojom::ViewType::kInvalid;
bool parsed_view_type = GetViewTypeFromString(view_type_string, &view_type);
if (!parsed_view_type)
CHECK_EQ("ALL", view_type_string);
const std::string& extension_id = context()->GetExtensionID();
if (extension_id.empty())
return;
// We ignore iframes here. (Returning subframes can cause broken behavior by
// treating an app window's iframe as its main frame, and maybe other
// nastiness).
// TODO(devlin): Why wouldn't we just account for that? It seems like there
// can be reasons to want to access just a frame - especially with isolated
// extension frames in web pages.
v8::Local<v8::Array> v8_views = ExtensionFrameHelper::GetV8MainFrames(
context()->v8_context(), extension_id, browser_window_id, tab_id,
view_type);
args.GetReturnValue().Set(v8_views);
}
} // namespace extensions
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