chromeos: Move files in //ash/common to //ash, part 2

ash/common/focus_cycler.cc

Index: ash/common/focus_cycler.cc
diff --git a/ash/common/focus_cycler.cc b/ash/common/focus_cycler.cc
deleted file mode 100644
index 5ef50d4f8f6822e794a11110582a610e5bc41142..0000000000000000000000000000000000000000
--- a/ash/common/focus_cycler.cc
+++ /dev/null
@@ -1,114 +0,0 @@
-// Copyright (c) 2012 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/focus_cycler.h"
-
-#include "ash/common/wm/mru_window_tracker.h"
-#include "ash/common/wm/window_state.h"
-#include "ash/common/wm_shell.h"
-#include "ash/common/wm_window.h"
-#include "ui/views/accessible_pane_view.h"
-#include "ui/views/focus/focus_search.h"
-#include "ui/views/widget/widget.h"
-#include "ui/wm/public/activation_client.h"
-
-namespace ash {
-
-namespace {
-
-bool HasFocusableWindow() {
-  return !WmShell::Get()->mru_window_tracker()->BuildMruWindowList().empty();
-}
-
-}  // namespace
-
-FocusCycler::FocusCycler() : widget_activating_(nullptr) {}
-
-FocusCycler::~FocusCycler() {}
-
-void FocusCycler::AddWidget(views::Widget* widget) {
-  widgets_.push_back(widget);
-}
-
-void FocusCycler::RemoveWidget(views::Widget* widget) {
-  auto iter = std::find(widgets_.begin(), widgets_.end(), widget);
-  if (iter != widgets_.end())
-    widgets_.erase(iter);
-}
-
-void FocusCycler::RotateFocus(Direction direction) {
-  WmWindow* window = WmShell::Get()->GetActiveWindow();
-  if (window) {
-    views::Widget* widget = window->GetInternalWidget();
-    // First try to rotate focus within the active widget. If that succeeds,
-    // we're done.
-    if (widget &&
-        widget->GetFocusManager()->RotatePaneFocus(
-            direction == BACKWARD ? views::FocusManager::kBackward
-                                  : views::FocusManager::kForward,
-            views::FocusManager::kNoWrap)) {
-      return;
-    }
-  }
-
-  const bool has_window = HasFocusableWindow();
-  int index = 0;
-  int count = static_cast<int>(widgets_.size());
-  int browser_index = has_window ? count : -1;
-
-  for (; index < count; ++index) {
-    if (widgets_[index]->IsActive())
-      break;
-  }
-
-  int start_index = index;
-
-  if (has_window)
-    ++count;
-
-  for (;;) {
-    if (direction == FORWARD)
-      index = (index + 1) % count;
-    else
-      index = ((index - 1) + count) % count;
-
-    // Ensure that we don't loop more than once.
-    if (index == start_index)
-      break;
-
-    if (index == browser_index) {
-      // Activate the most recently active browser window.
-      MruWindowTracker::WindowList mru_windows(
-          WmShell::Get()->mru_window_tracker()->BuildMruWindowList());
-      if (mru_windows.empty())
-        break;
-      WmWindow* window = mru_windows.front();
-      window->GetWindowState()->Activate();
-      views::Widget* widget = window->GetInternalWidget();
-      if (!widget)
-        break;
-      views::FocusManager* focus_manager = widget->GetFocusManager();
-      focus_manager->ClearFocus();
-      focus_manager->RotatePaneFocus(direction == BACKWARD
-                                         ? views::FocusManager::kBackward
-                                         : views::FocusManager::kForward,
-                                     views::FocusManager::kWrap);
-      break;
-    } else {
-      if (FocusWidget(widgets_[index]))
-        break;
-    }
-  }
-}
-
-bool FocusCycler::FocusWidget(views::Widget* widget) {
-  // Note: It is not necessary to set the focus directly to the pane since that
-  // will be taken care of by the widget activation.
-  widget_activating_ = widget;
-  widget->Activate();
-  widget_activating_ = NULL;
-  return widget->IsActive();
-}
-
-}  // namespace ash