Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(537)

Unified Diff: components/supervised_user_error_page/gin_wrapper.cc

Issue 1890203002: Implement Web Restrictions in WebView. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Fix final nits Created 4 years, 4 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
Index: components/supervised_user_error_page/gin_wrapper.cc
diff --git a/components/supervised_user_error_page/gin_wrapper.cc b/components/supervised_user_error_page/gin_wrapper.cc
new file mode 100644
index 0000000000000000000000000000000000000000..23728d8d7e0abcc3279719f9717c38ff07d130f1
--- /dev/null
+++ b/components/supervised_user_error_page/gin_wrapper.cc
@@ -0,0 +1,112 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "components/supervised_user_error_page/gin_wrapper.h"
+
+#include "base/strings/utf_string_conversions.h"
+#include "content/public/renderer/render_frame.h"
+#include "gin/handle.h"
+#include "gin/object_template_builder.h"
+#include "third_party/WebKit/public/web/WebKit.h"
+#include "third_party/WebKit/public/web/WebLocalFrame.h"
+
+using web_restrictions::mojom::WebRestrictionsPtr;
+
+namespace supervised_user_error_page {
+
+GinWrapper::Loader::Loader(
+ content::RenderFrame* render_frame,
+ const std::string& url,
+ const web_restrictions::mojom::WebRestrictionsPtr& web_restrictions_service)
+ : content::RenderFrameObserver(render_frame),
+ url_(url),
+ web_restrictions_service_(web_restrictions_service) {}
+
+void GinWrapper::Loader::DidClearWindowObject() {
+
+ InstallGinWrapper();
+
+ // Once the gin wrapper has been installed we don't need to observe the
+ // render frame. Delete the loader so that the wrapper isn't re-installed when
+ // something else is loaded into the frame.
+ delete this;
+}
+
+void GinWrapper::Loader::InstallGinWrapper() {
+ v8::Isolate* isolate = blink::mainThreadIsolate();
+ v8::HandleScope handle_scope(isolate);
+ v8::Local<v8::Context> context =
+ render_frame()->GetWebFrame()->mainWorldScriptContext();
+ if (context.IsEmpty())
+ return;
+ v8::Context::Scope context_scope(context);
+ gin::Handle<GinWrapper> controller = gin::CreateHandle(
+ isolate, new GinWrapper(render_frame(), url_, web_restrictions_service_));
+ if (controller.IsEmpty())
+ return;
+ v8::Local<v8::Object> global = context->Global();
+ global->Set(gin::StringToV8(isolate, "webRestrictions"), controller.ToV8());
+}
+
+void GinWrapper::Loader::OnDestruct() {
+ delete this;
+}
+
+gin::WrapperInfo GinWrapper::kWrapperInfo = {gin::kEmbedderNativeGin};
+
+// static
+void GinWrapper::InstallWhenFrameReady(
+ content::RenderFrame* render_frame,
+ const std::string& url,
+ const WebRestrictionsPtr& web_restrictions_service) {
+ new Loader(render_frame, url, web_restrictions_service);
+}
+
+GinWrapper::GinWrapper(content::RenderFrame* render_frame,
+ const std::string& url,
+ const WebRestrictionsPtr& web_restrictions_service)
+ : url_(url),
+ web_restrictions_service_(web_restrictions_service),
+ weak_ptr_factory_(this) {}
+
+GinWrapper::~GinWrapper() {}
+
+bool GinWrapper::RequestPermission(
+ v8::Local<v8::Function> setRequestStatusCallback) {
+ setRequestStatusCallback_.Reset(blink::mainThreadIsolate(),
+ setRequestStatusCallback);
+ web_restrictions_service_->RequestPermission(
+ url_, base::Bind(&GinWrapper::OnAccessRequestAdded,
+ weak_ptr_factory_.GetWeakPtr()));
+ return true;
+}
+
+void GinWrapper::OnAccessRequestAdded(bool success) {
+ if (setRequestStatusCallback_.IsEmpty()) {
+ return;
+ }
+
+ v8::Isolate* isolate = blink::mainThreadIsolate();
+ v8::Local<v8::Value> args = v8::Boolean::New(isolate, success);
+ v8::HandleScope handle_scope(isolate);
+ v8::Local<v8::Function> callback =
+ v8::Local<v8::Function>::New(isolate, setRequestStatusCallback_);
+ v8::Local<v8::Context> context = callback->CreationContext();
+ if (context.IsEmpty())
+ return;
+
+ v8::Context::Scope context_scope(context);
+ v8::MicrotasksScope microtasks(isolate,
+ v8::MicrotasksScope::kDoNotRunMicrotasks);
+
+ callback->Call(context->Global(), 1, &args);
+}
+
+gin::ObjectTemplateBuilder GinWrapper::GetObjectTemplateBuilder(
+ v8::Isolate* isolate) {
+ return gin::Wrappable<GinWrapper>::GetObjectTemplateBuilder(isolate)
+ .SetMethod("requestPermission", &GinWrapper::RequestPermission);
+}
+
+} // namespace web_restrictions

Powered by Google App Engine
This is Rietveld 408576698