Adds ImmersiveContext and ImmersiveHandlerFactory

ash/wm/immersive_context_ash.cc

Index: ash/wm/immersive_context_ash.cc
diff --git a/ash/wm/immersive_context_ash.cc b/ash/wm/immersive_context_ash.cc
new file mode 100644
index 0000000000000000000000000000000000000000..1488191d6c097d3ceac2bf7e6d106ea0a8a35bd9
--- /dev/null
+++ b/ash/wm/immersive_context_ash.cc
@@ -0,0 +1,69 @@
+// 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/wm/immersive_context_ash.h"
+
+#include "ash/common/shelf/wm_shelf.h"
+#include "ash/common/wm/window_state.h"
+#include "ash/common/wm_lookup.h"
+#include "ash/common/wm_root_window_controller.h"
+#include "ash/common/wm_shell.h"
+#include "ash/common/wm_window.h"
+#include "ash/wm/immersive_fullscreen_controller.h"
+#include "base/logging.h"
+#include "ui/display/display.h"
+#include "ui/display/screen.h"
+
+namespace ash {
+
+ImmersiveContextAsh::ImmersiveContextAsh() {}
+
+ImmersiveContextAsh::~ImmersiveContextAsh() {}
+
+void ImmersiveContextAsh::InstallResizeHandleWindowTargeter(
+    ImmersiveFullscreenController* controller) {
+  WmWindow* window = WmLookup::Get()->GetWindowForWidget(controller->widget());
+  window->InstallResizeHandleWindowTargeter(controller);
+}
+
+void ImmersiveContextAsh::OnEnteringOrExitingImmersive(
+    ImmersiveFullscreenController* controller,
+    bool entering) {
+  WmWindow* window = WmLookup::Get()->GetWindowForWidget(controller->widget());
+  wm::WindowState* window_state = window->GetWindowState();
+  // Auto hide the shelf in immersive fullscreen instead of hiding it.
+  window_state->set_shelf_mode_in_fullscreen(
+      entering ? ash::wm::WindowState::SHELF_AUTO_HIDE_VISIBLE
+               : ash::wm::WindowState::SHELF_HIDDEN);
+
+  // Update the window's immersive mode state for the window manager.
+  window_state->set_in_immersive_fullscreen(entering);
+
+  for (WmWindow* root_window : WmShell::Get()->GetAllRootWindows())
+    root_window->GetRootWindowController()->GetShelf()->UpdateVisibilityState();
+}
+
+gfx::Rect ImmersiveContextAsh::GetDisplayBoundsInScreen(views::Widget* widget) {
+  WmWindow* window = WmLookup::Get()->GetWindowForWidget(widget);
+  return window->GetDisplayNearestWindow().bounds();
+}
+
+void ImmersiveContextAsh::AddPointerWatcher(views::PointerWatcher* watcher,
+                                            bool wants_moves) {
+  WmShell::Get()->AddPointerWatcher(watcher, wants_moves);
+}
+
+void ImmersiveContextAsh::RemovePointerWatcher(views::PointerWatcher* watcher) {
+  WmShell::Get()->RemovePointerWatcher(watcher);
+}
+
+bool ImmersiveContextAsh::DoesAnyWindowHaveCapture() {
+  return WmShell::Get()->GetCaptureWindow() != nullptr;
+}
+
+bool ImmersiveContextAsh::IsMouseEventsEnabled() {
+  return WmShell::Get()->IsMouseEventsEnabled();
+}
+
+}  // namespace ash