blimp: Add settings to allow the client to download the whole page.

blimp/engine/session/settings_manager.cc

+// Copyright 2016 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 <blimp/engine/session/settings_manager.h>
+#include "content/public/browser/render_view_host.h"
+#include "content/public/common/web_preferences.h"
+
+namespace blimp {
+namespace engine {
+
+SettingsManager::SettingsManager() {}
+
+SettingsManager::~SettingsManager() {}
+
+void SettingsManager::AddObserver(Observer* observer) {
+  observer_list_.AddObserver(observer);
+}
+
+void SettingsManager::RemoveObserver(Observer* observer) {
+  observer_list_.RemoveObserver(observer);
+}
+
+void SettingsManager::UpdateWebkitPreferences(
+    content::RenderViewHost* render_view_host) {
+  DCHECK(render_view_host);
+
+  bool updated = false;
+  content::WebPreferences prefs = render_view_host->GetWebkitPreferences();
+
+  if (prefs.record_whole_document != settings_.record_whole_document) {
+    prefs.record_whole_document = settings_.record_whole_document;
+    updated = true;
+  }
+
+  if (updated)
+    render_view_host->UpdateWebkitPreferences(prefs);
+}
+
+const EngineSettings& SettingsManager::GetEngineSettings() const {
+  return settings_;
+}
+
+void SettingsManager::UpdateEngineSettings(const EngineSettings& settings) {
+  EngineSettings old_settings = settings_;
+  settings_ = settings;
+
+  if (settings_.record_whole_document != old_settings.record_whole_document) {
+    // Notify the observers that the web preferences have changed.
+    FOR_EACH_OBSERVER(Observer, observer_list_, OnWebPreferencesChanged());
+  }
+}
+
+}  // namespace engine
+}  // namespace blimp