Move mojo/examples/html_viewer to mojo/services/html_viewer.

mojo/examples/html_viewer/html_document_view.cc

-// 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 "mojo/examples/html_viewer/html_document_view.h"
-
-#include "base/bind.h"
-#include "base/location.h"
-#include "base/single_thread_task_runner.h"
-#include "base/thread_task_runner_handle.h"
-#include "mojo/examples/html_viewer/blink_input_events_type_converters.h"
-#include "mojo/examples/html_viewer/webstoragenamespace_impl.h"
-#include "mojo/examples/html_viewer/weburlloader_impl.h"
-#include "mojo/services/public/cpp/view_manager/node.h"
-#include "mojo/services/public/cpp/view_manager/view.h"
-#include "mojo/services/public/cpp/view_manager/view_observer.h"
-#include "skia/ext/refptr.h"
-#include "third_party/WebKit/public/web/WebConsoleMessage.h"
-#include "third_party/WebKit/public/web/WebDocument.h"
-#include "third_party/WebKit/public/web/WebElement.h"
-#include "third_party/WebKit/public/web/WebInputEvent.h"
-#include "third_party/WebKit/public/web/WebLocalFrame.h"
-#include "third_party/WebKit/public/web/WebScriptSource.h"
-#include "third_party/WebKit/public/web/WebSettings.h"
-#include "third_party/WebKit/public/web/WebView.h"
-#include "third_party/skia/include/core/SkCanvas.h"
-#include "third_party/skia/include/core/SkColor.h"
-#include "third_party/skia/include/core/SkDevice.h"
-
-namespace mojo {
-namespace examples {
-namespace {
-
-void ConfigureSettings(blink::WebSettings* settings) {
-  settings->setAcceleratedCompositingEnabled(false);
-  settings->setDefaultFixedFontSize(13);
-  settings->setDefaultFontSize(16);
-  settings->setLoadsImagesAutomatically(true);
-  settings->setJavaScriptEnabled(true);
-}
-
-navigation::Target WebNavigationPolicyToNavigationTarget(
-    blink::WebNavigationPolicy policy) {
-  switch (policy) {
-    case blink::WebNavigationPolicyCurrentTab:
-      return navigation::SOURCE_NODE;
-    case blink::WebNavigationPolicyNewBackgroundTab:
-    case blink::WebNavigationPolicyNewForegroundTab:
-    case blink::WebNavigationPolicyNewWindow:
-    case blink::WebNavigationPolicyNewPopup:
-      return navigation::NEW_NODE;
-    default:
-      return navigation::DEFAULT;
-  }
-}
-
-bool CanNavigateLocally(blink::WebFrame* frame,
-                        const blink::WebURLRequest& request) {
-  // For now, we just load child frames locally.
-  // TODO(aa): In the future, this should use embedding to connect to a
-  // different instance of Blink if the frame is cross-origin.
-  if (frame->parent())
-    return true;
-
-  // If we have extraData() it means we already have the url response
-  // (presumably because we are being called via Navigate()). In that case we
-  // can go ahead and navigate locally.
-  if (request.extraData())
-    return true;
-
-  // Otherwise we don't know if we're the right app to handle this request. Ask
-  // host to do the navigation for us.
-  return false;
-}
-
-}  // namespace
-
-HTMLDocumentView::HTMLDocumentView(ServiceProvider* service_provider,
-                                   view_manager::ViewManager* view_manager)
-    : view_manager_(view_manager),
-      view_(view_manager::View::Create(view_manager_)),
-      web_view_(NULL),
-      repaint_pending_(false),
-      navigator_host_(service_provider),
-      weak_factory_(this) {
-  view_->AddObserver(this);
-}
-
-HTMLDocumentView::~HTMLDocumentView() {
-  view_->RemoveObserver(this);
-
-  if (web_view_)
-    web_view_->close();
-}
-
-void HTMLDocumentView::AttachToNode(view_manager::Node* node) {
-  node->SetActiveView(view_);
-  view_->SetColor(SK_ColorCYAN);  // Dummy background color.
-
-  web_view_ = blink::WebView::create(this);
-  ConfigureSettings(web_view_->settings());
-  web_view_->setMainFrame(blink::WebLocalFrame::create(this));
-
-  web_view_->resize(gfx::Size(node->bounds().size()));
-}
-
-void HTMLDocumentView::Load(URLResponsePtr response) {
-  DCHECK(web_view_);
-
-  GURL url(response->url);
-
-  WebURLRequestExtraData* extra_data = new WebURLRequestExtraData;
-  extra_data->synthetic_response = response.Pass();
-
-  blink::WebURLRequest web_request;
-  web_request.initialize();
-  web_request.setURL(url);
-  web_request.setExtraData(extra_data);
-
-  web_view_->mainFrame()->loadRequest(web_request);
-}
-
-blink::WebStorageNamespace* HTMLDocumentView::createSessionStorageNamespace() {
-  return new WebStorageNamespaceImpl();
-}
-
-void HTMLDocumentView::didInvalidateRect(const blink::WebRect& rect) {
-  if (!repaint_pending_) {
-    repaint_pending_ = true;
-    base::ThreadTaskRunnerHandle::Get()->PostTask(
-        FROM_HERE,
-        base::Bind(&HTMLDocumentView::Repaint, weak_factory_.GetWeakPtr()));
-  }
-}
-
-bool HTMLDocumentView::allowsBrokenNullLayerTreeView() const {
-  // TODO(darin): Switch to using compositor bindings.
-  //
-  // NOTE: Note to Blink maintainers, feel free to just break this code if it
-  // is the last using compositor bindings and you want to delete the old path.
-  //
-  return true;
-}
-
-blink::WebNavigationPolicy HTMLDocumentView::decidePolicyForNavigation(
-    blink::WebLocalFrame* frame, blink::WebDataSource::ExtraData* data,
-    const blink::WebURLRequest& request, blink::WebNavigationType nav_type,
-    blink::WebNavigationPolicy default_policy, bool is_redirect) {
-  if (CanNavigateLocally(frame, request))
-    return default_policy;
-
-  navigation::NavigationDetailsPtr nav_details(
-      navigation::NavigationDetails::New());
-  nav_details->url = request.url().string().utf8();
-  navigator_host_->RequestNavigate(
-      view_->node()->id(),
-      WebNavigationPolicyToNavigationTarget(default_policy),
-      nav_details.Pass());
-
-  return blink::WebNavigationPolicyIgnore;
-}
-
-void HTMLDocumentView::didAddMessageToConsole(
-    const blink::WebConsoleMessage& message,
-    const blink::WebString& source_name,
-    unsigned source_line,
-    const blink::WebString& stack_trace) {
-  printf("### console: %s\n", std::string(message.text.utf8()).c_str());
-}
-
-void HTMLDocumentView::didNavigateWithinPage(
-    blink::WebLocalFrame* frame, const blink::WebHistoryItem& history_item,
-    blink::WebHistoryCommitType commit_type) {
-  navigator_host_->DidNavigateLocally(view_->node()->id(),
-                                      history_item.urlString().utf8());
-}
-
-void HTMLDocumentView::OnViewInputEvent(view_manager::View* view,
-                                        const EventPtr& event) {
-  scoped_ptr<blink::WebInputEvent> web_event =
-      TypeConverter<EventPtr, scoped_ptr<blink::WebInputEvent> >::ConvertTo(
-          event);
-  if (web_event)
-    web_view_->handleInputEvent(*web_event);
-}
-
-void HTMLDocumentView::Repaint() {
-  repaint_pending_ = false;
-
-  web_view_->animate(0.0);
-  web_view_->layout();
-
-  int width = web_view_->size().width;
-  int height = web_view_->size().height;
-
-  skia::RefPtr<SkCanvas> canvas = skia::AdoptRef(SkCanvas::NewRaster(
-      SkImageInfo::MakeN32(width, height, kOpaque_SkAlphaType)));
-
-  web_view_->paint(canvas.get(), gfx::Rect(0, 0, width, height));
-
-  view_->SetContents(canvas->getDevice()->accessBitmap(false));
-}
-
-}  // namespace examples
-}  // namespace mojo