Save and restore State for ShellWindows, including panels

chrome/browser/ui/views/extensions/native_app_window_views.cc

Index: chrome/browser/ui/views/extensions/native_app_window_views.cc
diff --git a/chrome/browser/ui/views/extensions/native_app_window_views.cc b/chrome/browser/ui/views/extensions/native_app_window_views.cc
index 41315a2bdb9bfa25abea66ec77fa64334df10201..826e5e98e58286c1663d1c2702233ca9379434ba 100644
--- a/chrome/browser/ui/views/extensions/native_app_window_views.cc
+++ b/chrome/browser/ui/views/extensions/native_app_window_views.cc
@@ -40,7 +40,9 @@
 #include "ash/wm/panels/panel_frame_view.h"
 #include "ash/wm/window_properties.h"
 #include "chrome/browser/ui/ash/ash_util.h"
+#include "ui/aura/client/aura_constants.h"
 #include "ui/aura/root_window.h"
+#include "ui/aura/window.h"
 #endif
 
 namespace {
@@ -266,15 +268,21 @@ void NativeAppWindowViews::InitializePanelWindow(
   window_->Init(params);
   window_->set_focus_on_creation(create_params.focused);
 
-#if !defined(USE_ASH)
-  // TODO(oshima|stevenjb): Ideally, we should be able to just pre-determine
-  // the exact location and size, but this doesn't work well
-  // on non-ash environment where we don't have full control over
-  // window management.
-  gfx::Rect window_bounds =
-      window_->non_client_view()->GetWindowBoundsForClientBounds(
-          create_params.bounds);
-  window_->SetBounds(window_bounds);
+#if defined(USE_ASH)
+  if (create_params.state == ui::SHOW_STATE_DETACHED) {
+    gfx::Rect window_bounds(create_params.bounds.x(),
+                            create_params.bounds.y(),
+                            preferred_size_.width(),
+                            preferred_size_.height());
+    aura::Window* native_window = GetNativeWindow();
+    native_window->SetProperty(ash::internal::kPanelAttachedKey, false);
+    native_window->SetDefaultParentByRootWindow(
+        native_window->GetRootWindow(), native_window->GetBoundsInScreen());
+    window_->SetBounds(window_bounds);
+  }
+#else
+  // TODO(stevenjb): NativeAppWindow panels need to be implemented for other
+  // platforms.
 #endif
 }
 
@@ -304,6 +312,23 @@ gfx::Rect NativeAppWindowViews::GetRestoredBounds() const {
   return window_->GetRestoredBounds();
 }
 
+ui::WindowShowState NativeAppWindowViews::GetRestoredState() const {
+  if (IsMaximized())
+    return ui::SHOW_STATE_MAXIMIZED;
+#if defined(USE_ASH)
+  // On Ash, restore fullscreen.
+  if (IsFullscreen())
+    return ui::SHOW_STATE_FULLSCREEN;
+  // Use kRestoreShowStateKey in case a window is minimized/hidden.
+  ui::WindowShowState restore_state =
+      window_->GetNativeWindow()->GetProperty(
+          aura::client::kRestoreShowStateKey);
+  if (restore_state != ui::SHOW_STATE_MINIMIZED)
+    return restore_state;
+#endif
+  return ui::SHOW_STATE_NORMAL;
+}
+
 gfx::Rect NativeAppWindowViews::GetBounds() const {
   return window_->GetWindowBoundsInScreen();
 }
@@ -675,6 +700,17 @@ bool NativeAppWindowViews::IsFullscreenOrPending() const {
   return is_fullscreen_;
 }
 
+bool NativeAppWindowViews::IsDetached() const {
+  if (!shell_window_->window_type_is_panel())
+    return false;
+#if defined(USE_ASH)
+  return !window_->GetNativeWindow()->GetProperty(
+      ash::internal::kPanelAttachedKey);
+#else
+  return false;
+#endif
+}
+
 views::View* NativeAppWindowViews::GetContentsView() {
   return this;
 }