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01cab978f7
* refactor: make api::Clipboard::GetClipboardBuffer() private * refactor: move GetClipboadBuffer() into anonymous namespace * refactor: use gin::Arguments in StopRecording() * refactor: use gin::Arguments in ImageView::New() * refactor: use gin::Arguments in AppendSwitch() * refactor: use gin::Arguments WebContentsView::New() * refactor: make gin::Arguments arg const in WrappableBase::InitWithArgs() This makes explicit that we are using it for wrapper + isolate, not the args values * refactor: remove gin_helper::Arguments arg from ExposeAPI() refactor: remove gin_helper::Arguments arg from ExposeAPIInWorld() * refactor: remove gin_helper::Arguments arg from ElectronBindings::GetSystemMemoryInfo() * refactor: remove gin_helper::Arguments arg from preload_utils::GetBinding() * refactor: use gin::Arguments in OpenExternal() * refactor: use gin::Arguments in ExecuteInWorld() * refactor: use gin::Arguments in ExecuteJavaScript() * refactor: use gin::Arguments in InvokeNew() * refactor: use gin::Arguments in ExecuteJavaScriptInIsolatedWorld() * refactor: remove unused GetNextArgument() marshaller for gin_helper::Arguments * refactor: remove unused #include gin_helper/arguments.h * chore: remove unused gin_helper::Arguments * fixup! refactor: use gin::Arguments in ExecuteJavaScriptInIsolatedWorld() Xref: https://github.com/electron/electron/pull/48447
77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
// Copyright (c) 2016 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "shell/renderer/preload_utils.h"
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#include "base/process/process.h"
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#include "base/strings/strcat.h"
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#include "shell/common/gin_helper/dictionary.h"
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#include "shell/common/node_includes.h"
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#include "v8/include/v8-context.h"
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namespace electron::preload_utils {
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namespace {
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constexpr std::string_view kBindingCacheKey = "native-binding-cache";
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v8::Local<v8::Object> GetBindingCache(v8::Isolate* isolate) {
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auto context = isolate->GetCurrentContext();
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gin_helper::Dictionary global(isolate, context->Global());
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v8::Local<v8::Value> cache;
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if (!global.GetHidden(kBindingCacheKey, &cache)) {
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cache = v8::Object::New(isolate);
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global.SetHidden(kBindingCacheKey, cache);
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}
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return cache->ToObject(context).ToLocalChecked();
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}
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} // namespace
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// adapted from node.cc
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v8::Local<v8::Value> GetBinding(v8::Isolate* isolate,
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v8::Local<v8::String> key) {
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v8::Local<v8::Object> exports;
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const std::string binding_key = gin::V8ToString(isolate, key);
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gin_helper::Dictionary cache(isolate, GetBindingCache(isolate));
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if (cache.Get(binding_key, &exports)) {
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return exports;
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}
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auto* const mod = node::binding::get_linked_module(binding_key.c_str());
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if (!mod) {
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gin_helper::ErrorThrower{isolate}.ThrowError(
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base::StrCat({"No such binding: ", binding_key}));
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return exports;
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}
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exports = v8::Object::New(isolate);
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DCHECK_EQ(mod->nm_register_func, nullptr);
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DCHECK_NE(mod->nm_context_register_func, nullptr);
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mod->nm_context_register_func(exports, v8::Null(isolate),
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isolate->GetCurrentContext(), mod->nm_priv);
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cache.Set(binding_key, exports);
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return exports;
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}
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v8::Local<v8::Value> CreatePreloadScript(v8::Isolate* isolate,
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v8::Local<v8::String> source) {
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auto context = isolate->GetCurrentContext();
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auto maybe_script = v8::Script::Compile(context, source);
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v8::Local<v8::Script> script;
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if (!maybe_script.ToLocal(&script))
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return {};
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return script->Run(context).ToLocalChecked();
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}
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double Uptime() {
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return (base::Time::Now() - base::Process::Current().CreationTime())
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.InSecondsF();
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}
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} // namespace electron::preload_utils
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