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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "extensions/renderer/render_view_observer_natives.h" | |
| 6 | |
| 7 #include "content/public/renderer/render_view.h" | |
| 8 #include "content/public/renderer/render_view_observer.h" | |
| 9 #include "extensions/common/extension_api.h" | |
| 10 #include "extensions/renderer/script_context.h" | |
| 11 #include "third_party/WebKit/public/web/WebFrame.h" | |
| 12 #include "third_party/WebKit/public/web/WebScopedMicrotaskSuppression.h" | |
| 13 | |
| 14 namespace extensions { | |
| 15 | |
| 16 namespace { | |
| 17 | |
| 18 // Deletes itself when done. | |
| 19 class LoadWatcher : public content::RenderViewObserver { | |
| 20 public: | |
| 21 LoadWatcher(ScriptContext* context, | |
| 22 content::RenderView* view, | |
| 23 v8::Local<v8::Function> cb) | |
| 24 : content::RenderViewObserver(view), | |
| 25 context_(context), | |
| 26 callback_(context->isolate(), cb) {} | |
| 27 | |
| 28 void DidCreateDocumentElement(blink::WebLocalFrame* frame) override { | |
| 29 CallbackAndDie(true); | |
| 30 } | |
| 31 | |
| 32 void DidFailProvisionalLoad(blink::WebLocalFrame* frame, | |
| 33 const blink::WebURLError& error) override { | |
| 34 CallbackAndDie(false); | |
| 35 } | |
| 36 | |
| 37 private: | |
| 38 void CallbackAndDie(bool succeeded) { | |
| 39 v8::Isolate* isolate = context_->isolate(); | |
| 40 v8::HandleScope handle_scope(isolate); | |
| 41 v8::Local<v8::Value> args[] = {v8::Boolean::New(isolate, succeeded)}; | |
| 42 context_->CallFunction(v8::Local<v8::Function>::New(isolate, callback_), | |
| 43 arraysize(args), args); | |
| 44 delete this; | |
| 45 } | |
| 46 | |
| 47 ScriptContext* context_; | |
| 48 v8::Global<v8::Function> callback_; | |
| 49 DISALLOW_COPY_AND_ASSIGN(LoadWatcher); | |
| 50 }; | |
| 51 } // namespace | |
| 52 | |
| 53 RenderViewObserverNatives::RenderViewObserverNatives(ScriptContext* context) | |
| 54 : ObjectBackedNativeHandler(context) { | |
| 55 RouteFunction("OnDocumentElementCreated", | |
| 56 base::Bind(&RenderViewObserverNatives::OnDocumentElementCreated, | |
| 57 base::Unretained(this))); | |
| 58 } | |
| 59 | |
| 60 void RenderViewObserverNatives::OnDocumentElementCreated( | |
| 61 const v8::FunctionCallbackInfo<v8::Value>& args) { | |
| 62 CHECK(args.Length() == 2); | |
| 63 CHECK(args[0]->IsInt32()); | |
| 64 CHECK(args[1]->IsFunction()); | |
| 65 | |
| 66 int view_id = args[0]->Int32Value(); | |
| 67 | |
| 68 content::RenderView* view = content::RenderView::FromRoutingID(view_id); | |
| 69 if (!view) { | |
| 70 LOG(WARNING) << "No render view found to register LoadWatcher."; | |
| 71 return; | |
| 72 } | |
| 73 | |
| 74 new LoadWatcher(context(), view, args[1].As<v8::Function>()); | |
| 75 | |
| 76 args.GetReturnValue().Set(true); | |
| 77 } | |
| 78 | |
| 79 } // namespace extensions | |
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Chromium Code Reviews
Issue 1211003006:
[Extensions OOPI] Update app window bindings for OOPI (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master