Framelet Prototype 2016 using Mojo IPC

third_party/WebKit/Source/core/frame/Framelet.cpp

+// 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 "core/frame/Framelet.h"
+
+#include "core/frame/FrameletClient.h"
+#include "core/frame/FrameletView.h"
+#include "core/html/HTMLFrameOwnerElement.h"
+#include "core/html/HTMLFrameletElement.h"
+#include "core/layout/LayoutPart.h"
+#include "platform/graphics/GraphicsLayer.h"
+
+namespace blink {
+
+inline Framelet::Framelet(FrameletClient* client, FrameOwner* owner)
+    : m_client(client)
+    , m_owner(owner)
+    , m_view(nullptr)
+{
+    static_cast<HTMLFrameletElement*>(owner)->setFramelet(this);
+}
+
+PassRefPtrWillBeRawPtr<Framelet> Framelet::create(FrameletClient* client, FrameOwner* owner)
+{
+    return adoptRefWillBeNoop(new Framelet(client, owner));
+}
+
+Framelet::~Framelet()
+{
+    ASSERT(!m_owner);
+    ASSERT(!m_view);
+}
+
+DEFINE_TRACE(Framelet)
+{
+    // visitor->trace(m_client);
+    visitor->trace(m_owner);
+    visitor->trace(m_view);
+}
+
+void Framelet::didAttach()
+{
+    client()->didAttach();
+}
+
+void Framelet::didDetach()
+{
+    client()->didDetach();
+}
+
+void Framelet::forwardInputEvent(Event* event)
+{
+    client()->forwardInputEvent(event);
+}
+
+void Framelet::frameRectsChanged(const IntRect& frameRect)
+{
+    client()->frameRectsChanged(frameRect);
+}
+
+void Framelet::setView(PassRefPtrWillBeRawPtr<FrameletView> view)
+{
+    // Oilpan: as FrameletView performs no finalization actions,
+    // no explicit dispose() of it needed here. (cf. FrameView::dispose().)
+    m_view = view;
+}
+
+void Framelet::createView()
+{
+    ASSERT(!toHTMLFrameOwnerElement(m_owner)->ownedWidget());
+
+    setView(FrameletView::create(this));
+
+    toHTMLFrameOwnerElement(m_owner)->setWidget(m_view);
+}
+
+LayoutPart* Framelet::ownerLayoutObject() const
+{
+    if (!m_owner)
+        return nullptr;
+
+    LayoutObject* object = toHTMLFrameOwnerElement(m_owner)->layoutObject();
+    if (!object)
+        return nullptr;
+
+    ASSERT(object->isLayoutPart());
+    return toLayoutPart(object);
+}
+
+void Framelet::setRemotePlatformLayer(WebLayer* layer)
+{
+    ASSERT(owner());
+    static_cast<HTMLFrameletElement*>(owner())->setWebLayer(layer);
+}
+
+WebLayer* Framelet::remotePlatformLayer() const
+{
+    ASSERT(owner());
+    return static_cast<HTMLFrameletElement*>(owner())->webLayer();
+}
+
+void Framelet::updateFocus(bool focused, WebFocusType type)
+{
+    client()->updateFocus(focused, type);
+}
+
+void Framelet::updateVisibility(bool visible)
+{
+    client()->updateVisibility(visible);
+}
+
+} // namespace blink