| // Copyright 2014 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 "extensions/renderer/guest_view/extensions_guest_view_container.h" |
| |
| #include "content/public/renderer/render_frame.h" |
| #include "third_party/WebKit/public/web/WebScopedMicrotaskSuppression.h" |
| #include "ui/gfx/geometry/size.h" |
| |
| namespace extensions { |
| |
| ExtensionsGuestViewContainer::ExtensionsGuestViewContainer( |
| content::RenderFrame* render_frame) |
| : GuestViewContainer(render_frame), |
| destruction_isolate_(nullptr), |
| element_resize_isolate_(nullptr), |
| weak_ptr_factory_(this) { |
| } |
| |
| ExtensionsGuestViewContainer::~ExtensionsGuestViewContainer() { |
| } |
| |
| void ExtensionsGuestViewContainer::OnDestroy() { |
| // Call the destruction callback, if one is registered. |
| if (!destruction_callback_.IsEmpty()) { |
| v8::HandleScope handle_scope(destruction_isolate_); |
| v8::Local<v8::Function> callback = v8::Local<v8::Function>::New( |
| destruction_isolate_, destruction_callback_); |
| v8::Local<v8::Context> context = callback->CreationContext(); |
| if (context.IsEmpty()) |
| return; |
| |
| v8::Context::Scope context_scope(context); |
| blink::WebScopedMicrotaskSuppression suppression; |
| |
| callback->Call(context->Global(), 0 /* argc */, nullptr); |
| } |
| } |
| |
| void ExtensionsGuestViewContainer::RegisterDestructionCallback( |
| v8::Local<v8::Function> callback, |
| v8::Isolate* isolate) { |
| destruction_callback_.Reset(isolate, callback); |
| destruction_isolate_ = isolate; |
| } |
| |
| void ExtensionsGuestViewContainer::RegisterElementResizeCallback( |
| v8::Local<v8::Function> callback, |
| v8::Isolate* isolate) { |
| element_resize_callback_.Reset(isolate, callback); |
| element_resize_isolate_ = isolate; |
| } |
| |
| void ExtensionsGuestViewContainer::DidResizeElement(const gfx::Size& new_size) { |
| // Call the element resize callback, if one is registered. |
| if (element_resize_callback_.IsEmpty()) |
| return; |
| |
| base::MessageLoop::current()->PostTask( |
| FROM_HERE, |
| base::Bind(&ExtensionsGuestViewContainer::CallElementResizeCallback, |
| weak_ptr_factory_.GetWeakPtr(), new_size)); |
| } |
| |
| void ExtensionsGuestViewContainer::CallElementResizeCallback( |
| const gfx::Size& new_size) { |
| v8::HandleScope handle_scope(element_resize_isolate_); |
| v8::Local<v8::Function> callback = v8::Local<v8::Function>::New( |
| element_resize_isolate_, element_resize_callback_); |
| v8::Local<v8::Context> context = callback->CreationContext(); |
| if (context.IsEmpty()) |
| return; |
| |
| const int argc = 2; |
| v8::Local<v8::Value> argv[argc] = { |
| v8::Integer::New(element_resize_isolate_, new_size.width()), |
| v8::Integer::New(element_resize_isolate_, new_size.height())}; |
| |
| v8::Context::Scope context_scope(context); |
| blink::WebScopedMicrotaskSuppression suppression; |
| |
| callback->Call(context->Global(), argc, argv); |
| } |
| |
| } // namespace extensions |