Ports SystemModalContainerLayoutManager to ash/common

ash/common/wm_shell.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 "ash/common/wm_shell.h"
 
 #include <utility>
 
 #include "ash/common/accelerators/accelerator_controller.h"
 #include "ash/common/accelerators/ash_focus_manager_factory.h"
@@ skipping 13 matching lines @@
 #include "ash/common/system/keyboard_brightness_control_delegate.h"
 #include "ash/common/system/toast/toast_manager.h"
 #include "ash/common/system/tray/system_tray_delegate.h"
 #include "ash/common/system/tray/system_tray_notifier.h"
 #include "ash/common/wallpaper/wallpaper_controller.h"
 #include "ash/common/wallpaper/wallpaper_delegate.h"
 #include "ash/common/wm/immersive_context_ash.h"
 #include "ash/common/wm/maximize_mode/maximize_mode_controller.h"
 #include "ash/common/wm/mru_window_tracker.h"
 #include "ash/common/wm/overview/window_selector_controller.h"
+#include "ash/common/wm/system_modal_container_layout_manager.h"
 #include "ash/common/wm/window_cycle_controller.h"
+#include "ash/common/wm_root_window_controller.h"
 #include "ash/common/wm_window.h"
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "ui/app_list/presenter/app_list_presenter.h"
 #include "ui/display/display.h"
 #include "ui/views/focus/focus_manager_factory.h"
 
 #if defined(OS_CHROMEOS)
 #include "ash/common/system/chromeos/brightness/brightness_controller_chromeos.h"
@@ skipping 148 matching lines @@
       window_cycle_controller_(new WindowCycleController),
       window_selector_controller_(new WindowSelectorController) {
 #if defined(OS_CHROMEOS)
   brightness_control_delegate_.reset(new system::BrightnessControllerChromeos);
   keyboard_brightness_control_delegate_.reset(new KeyboardBrightnessController);
 #endif
 }
 
 WmShell::~WmShell() {}
 
+WmRootWindowController* WmShell::GetPrimaryRootWindowController() {
+  return GetPrimaryRootWindow()->GetRootWindowController();
+}
+
 WmWindow* WmShell::GetRootWindowForNewWindows() {
   if (scoped_root_window_for_new_windows_)
     return scoped_root_window_for_new_windows_;
   return root_window_for_new_windows_;
 }
 
 bool WmShell::IsSystemModalWindowOpen() {
   if (simulate_modal_window_open_for_testing_)
     return true;
 
   // Traverse all system modal containers, and find its direct child window
   // with "SystemModal" setting, and visible.
   for (WmWindow* root : GetAllRootWindows()) {
     WmWindow* system_modal =
         root->GetChildByShellWindowId(kShellWindowId_SystemModalContainer);
     if (!system_modal)
       continue;
     for (const WmWindow* child : system_modal->GetChildren()) {
       if (child->IsSystemModal() && child->GetTargetVisibility()) {
         return true;
       }
     }
   }
   return false;
 }
 
+void WmShell::CreateModalBackground(WmWindow* window) {
+  for (WmWindow* root_window : GetAllRootWindows()) {
+    root_window->GetRootWindowController()
+        ->GetSystemModalLayoutManager(window)
+        ->CreateModalBackground();
+  }
+}
+
+void WmShell::OnModalWindowRemoved(WmWindow* removed) {
+  WmWindow::Windows root_windows = GetAllRootWindows();
+  for (WmWindow* root_window : root_windows) {
+    if (root_window->GetRootWindowController()
+            ->GetSystemModalLayoutManager(removed)
+            ->ActivateNextModalWindow()) {
+      return;
+    }
+  }
+  for (WmWindow* root_window : root_windows) {
+    root_window->GetRootWindowController()
+        ->GetSystemModalLayoutManager(removed)
+        ->DestroyModalBackground();
+  }
+}
+
 void WmShell::ShowAppList() {
   // Show the app list on the default display for new windows.
   int64_t display_id =
       GetRootWindowForNewWindows()->GetDisplayNearestWindow().id();
   delegate_->GetAppListPresenter()->Show(display_id);
 }
 
 void WmShell::DismissAppList() {
   delegate_->GetAppListPresenter()->Dismiss();
 }
@@ skipping 66 matching lines @@
 void WmShell::DeleteToastManager() {
   toast_manager_.reset();
 }
 
 void WmShell::SetAcceleratorController(
     std::unique_ptr<AcceleratorController> accelerator_controller) {
   accelerator_controller_ = std::move(accelerator_controller);
 }
 
 }  // namespace ash