InstantExtended: Committed NTP

chrome/browser/instant/instant_ntp.cc

+// Copyright 2012 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 "chrome/browser/instant/instant_ntp.h"
+
+#include "chrome/browser/instant/instant_controller.h"
+#include "chrome/common/url_constants.h"
+#include "content/public/browser/navigation_entry.h"
+#include "content/public/browser/web_contents.h"
+
+namespace {
+
+const int kStalePageTimeoutMS = 3 * 3600 * 1000;  // 3 hours
+
+}  // namespace
+
+InstantNTP::InstantNTP(InstantController* controller,
+                       const std::string& instant_url)
+    : InstantPage(controller),
+      loader_(new InstantLoader(ALLOW_THIS_IN_INITIALIZER_LIST(this))),
+      instant_url_(instant_url),
+      is_stale_(false) {
+}
+
+InstantNTP::~InstantNTP() {
+}
+
+void InstantNTP::InitContents(Profile* profile,
+                              const content::WebContents* active_tab) {
+  loader_->Load(GURL(instant_url_), profile, active_tab, kStalePageTimeoutMS);
+  api()->SetContents(contents());
+  contents()->GetController().GetPendingEntry()->SetVirtualURL(
+      GURL(chrome::kChromeUINewTabURL));
+}
+
+content::WebContents* InstantNTP::ReleaseContents() {
+  api()->SetContents(NULL);
+  return loader_->ReleaseContents();
+}
+
+content::WebContents* InstantNTP::ReplaceAndReleaseContents(
+    content::WebContents* new_contents) {
+  content::WebContents* old_contents = ReleaseContents();
+  loader_->SetContents(new_contents);
+  api()->SetContents(new_contents);
+  new_contents->GetController().GetPendingEntry()->SetVirtualURL(
+      GURL(chrome::kChromeUINewTabURL));
+  return old_contents;
+}
+
+void InstantNTP::OnFocus() {
+  NOTREACHED();
+}
+
+bool InstantNTP::OnOpenURL() {
+  return false;
+}
+
+void InstantNTP::SetPointerDown() {
+  NOTREACHED();
+}
+
+void InstantNTP::MaybeCommitFromPointerRelease() {
+  NOTREACHED();
+}
+
+void InstantNTP::OnStalePage() {
+  is_stale_ = true;
+  controller_->OnStaleNTP();
+}
+
+void InstantNTP::OnUpdate() {
+}
+
+bool InstantNTP::OnRenderViewGone() const {
+  return true;
+}
+
+bool InstantNTP::OnAboutToNavigateMainFrame() const {
+  // Nothing to do in an uncommitted NTP.
+  return false;
+}
+
+bool InstantNTP::OnSetSuggestions() const {
+  // Nothing to do in an uncommitted NTP.
+  return false;
+}
+
+bool InstantNTP::OnShowInstantPreview() const {
+  // Nothing to do in an uncommitted NTP.
+  return false;
+}
+
+bool InstantNTP::OnStartCapturingKeyStrokes() const {
+  // Nothing to do in an uncommitted NTP.
+  return false;
+}
+
+bool InstantNTP::OnStopCapturingKeyStrokes() const {
+  // Nothing to do in an uncommitted NTP.
+  return false;
+}
+
+bool InstantNTP::OnNavigateToURL() const {
+  return true;
+}