arc: Implement scrollable OptIn window content.

chrome/browser/chromeos/arc/arc_support_host.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 "chrome/browser/chromeos/arc/arc_support_host.h"
 
 #include <string>
 
 #include "ash/common/system/chromeos/devicetype_utils.h"
 #include "base/i18n/timezone.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/metrics/chrome_metrics_service_accessor.h"
 #include "chrome/browser/metrics/metrics_reporting_state.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/ash/multi_user/multi_user_util.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/metrics/metrics_pref_names.h"
 #include "components/prefs/pref_service.h"
 #include "components/user_manager/known_user.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/webui/web_ui_util.h"
+#include "ui/display/screen.h"
 
 namespace {
 const char kAction[] = "action";
 const char kBackupRestoreEnabled[] = "backupRestoreEnabled";
 const char kCanEnable[] = "canEnable";
 const char kCode[] = "code";
 const char kData[] = "data";
 const char kDeviceId[] = "deviceId";
 const char kEnabled[] = "enabled";
 const char kOn[] = "on";
 const char kPage[] = "page";
 const char kStatus[] = "status";
 const char kText[] = "text";
 const char kActionInitialize[] = "initialize";
 const char kActionSetMetricsMode[] = "setMetricsMode";
+const char kActionSetWindowBounds[] = "setWindowBounds";
 const char kActionStartLso[] = "startLso";
 const char kActionCancelAuthCode[] = "cancelAuthCode";
 const char kActionSetAuthCode[] = "setAuthCode";
 const char kActionEnableMetrics[] = "enableMetrics";
 const char kActionSendFeedback[] = "sendFeedback";
 const char kActionSetBackupRestore[] = "setBackupRestore";
 const char kActionCloseUI[] = "closeUI";
 const char kActionShowPage[] = "showPage";
 }  // namespace
 
@@ skipping 12 matching lines @@
 
 // static
 std::unique_ptr<extensions::NativeMessageHost> ArcSupportHost::Create() {
   return std::unique_ptr<NativeMessageHost>(new ArcSupportHost());
 }
 
 ArcSupportHost::ArcSupportHost() {
   arc::ArcAuthService* arc_auth_service = arc::ArcAuthService::Get();
   DCHECK(arc_auth_service);
   arc_auth_service->AddObserver(this);
+  display::Screen::GetScreen()->AddObserver(this);
 
   pref_change_registrar_.Init(g_browser_process->local_state());
   pref_change_registrar_.Add(
       metrics::prefs::kMetricsReportingEnabled,
       base::Bind(&ArcSupportHost::OnMetricsPreferenceChanged,
                  base::Unretained(this)));
 }
 
 ArcSupportHost::~ArcSupportHost() {
+  display::Screen::GetScreen()->RemoveObserver(this);
   arc::ArcAuthService* arc_auth_service = arc::ArcAuthService::Get();
   if (arc_auth_service)
     arc_auth_service->RemoveObserver(this);
 }
 
 void ArcSupportHost::Start(Client* client) {
   DCHECK(!client_);
   client_ = client;
 
   Initialize();
@@ skipping 65 matching lines @@
 
   base::DictionaryValue request;
   std::string request_string;
   request.SetString(kAction, kActionInitialize);
   request.Set(kData, std::move(loadtime_data));
   request.SetString(kDeviceId, device_id);
   base::JSONWriter::Write(request, &request_string);
   client_->PostMessageFromNativeHost(request_string);
 }
 
+void ArcSupportHost::OnDisplayAdded(const display::Display& new_display) {}
+
+void ArcSupportHost::OnDisplayRemoved(const display::Display& old_display) {}
+
+void ArcSupportHost::OnDisplayMetricsChanged(const display::Display& display,
+                                             uint32_t changed_metrics) {
+  base::DictionaryValue request;
+  std::string request_string;
+  request.SetString(kAction, kActionSetWindowBounds);
+  base::JSONWriter::Write(request, &request_string);
+  client_->PostMessageFromNativeHost(request_string);
+}
+
 void ArcSupportHost::OnMetricsPreferenceChanged() {
   SendMetricsMode();
 }
 
 void ArcSupportHost::SendMetricsMode() {
   arc::ArcAuthService* arc_auth_service = arc::ArcAuthService::Get();
   DCHECK(arc_auth_service);
   const Profile* profile = arc_auth_service->profile();
 
   const bool metrics_managed = IsMetricsReportingPolicyManaged();
@@ skipping 103 matching lines @@
     EnableBackupRestore(is_enabled);
   } else {
     NOTREACHED();
   }
 }
 
 scoped_refptr<base::SingleThreadTaskRunner> ArcSupportHost::task_runner()
     const {
   return base::ThreadTaskRunnerHandle::Get();
 }