Lock screen for Chrome-Athena

chrome/browser/chromeos/login/ui/lock_window_aura.cc

Index: chrome/browser/chromeos/login/ui/lock_window_aura.cc
diff --git a/chrome/browser/chromeos/login/ui/lock_window_aura.cc b/chrome/browser/chromeos/login/ui/lock_window_aura.cc
index 258a0fe696a14356a5fe7affdcb5c885508b73ae..377936811c18115c0b3901c4f66b881c6fc5524f 100644
--- a/chrome/browser/chromeos/login/ui/lock_window_aura.cc
+++ b/chrome/browser/chromeos/login/ui/lock_window_aura.cc
@@ -11,6 +11,12 @@
 #include "ui/aura/window.h"
 #include "ui/aura/window_event_dispatcher.h"
 
+#if defined(USE_ATHENA)
+#include "athena/screen/public/screen_manager.h"
+#include "athena/util/container_priorities.h"
+#include "athena/util/fill_layout_manager.h"
+#endif
+
 namespace chromeos {
 
 LockWindow* LockWindow::Create() {
@@ -58,11 +64,24 @@ void LockWindowAura::Init() {
       views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
   params.delegate = this;
   params.show_state = ui::SHOW_STATE_FULLSCREEN;
+#if defined(USE_ATHENA)
+  // Don't set TRANSLUCENT_WINDOW because we don't have wallpaper manager yet.

[Nikita (slow), 2014/10/10 10:53:06]

But currently login screen works just fine being translucent i.e. wallpaper is
shown.

You mean there's no way to move that wallpaper above all sessions windows when
screen lock is active?

Please file a bug for this functionality.

[Dmitry Polukhin, 2014/10/10 11:30:01]

Added link to the bug about move wallpaper manager to components.

+  athena::ScreenManager::ContainerParams container_params(
+      "LoginScreen", athena::CP_LOGIN_SCREEN);
+  container_params.can_activate_children = true;
+  container_params.grab_inputs = true;
+  lock_screen_container_.reset(
+      athena::ScreenManager::Get()->CreateContainer(container_params));
+  params.parent = lock_screen_container_.get();
+  lock_screen_container_->SetLayoutManager(
+      new athena::FillLayoutManager(lock_screen_container_.get()));
+#else
   params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
   // TODO(oshima): move the lock screen harness to ash.
   params.parent =
       ash::Shell::GetContainer(ash::Shell::GetPrimaryRootWindow(),
                                ash::kShellWindowId_LockScreenContainer);
+#endif
   views::Widget::Init(params);
   wm::SetWindowVisibilityAnimationTransition(
       GetNativeView(), wm::ANIMATE_NONE);