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ui/views/widget/widget_hwnd_utils.cc

Index: ui/views/widget/widget_hwnd_utils.cc
diff --git a/ui/views/widget/widget_hwnd_utils.cc b/ui/views/widget/widget_hwnd_utils.cc
deleted file mode 100644
index 29f6ce00a3fd2444e68d1afe28c4db782cff9e1f..0000000000000000000000000000000000000000
--- a/ui/views/widget/widget_hwnd_utils.cc
+++ /dev/null
@@ -1,167 +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 "ui/views/widget/widget_hwnd_utils.h"
-
-#include <dwmapi.h>
-
-#include "base/command_line.h"
-#include "base/win/windows_version.h"
-#include "ui/base/l10n/l10n_util_win.h"
-#include "ui/base/ui_base_switches.h"
-#include "ui/views/widget/widget_delegate.h"
-#include "ui/views/win/hwnd_message_handler.h"
-
-#if defined(OS_WIN)
-#include "ui/base/win/shell.h"
-#endif
-
-namespace views {
-
-namespace {
-
-void CalculateWindowStylesFromInitParams(
-    const Widget::InitParams& params,
-    WidgetDelegate* widget_delegate,
-    internal::NativeWidgetDelegate* native_widget_delegate,
-    DWORD* style,
-    DWORD* ex_style,
-    DWORD* class_style) {
-  *style = WS_CLIPCHILDREN | WS_CLIPSIBLINGS;
-  *ex_style = 0;
-  *class_style = CS_DBLCLKS;
-
-  // Set type-independent style attributes.
-  if (params.child)
-    *style |= WS_CHILD;
-  if (params.show_state == ui::SHOW_STATE_MAXIMIZED)
-    *style |= WS_MAXIMIZE;
-  if (params.show_state == ui::SHOW_STATE_MINIMIZED)
-    *style |= WS_MINIMIZE;
-  if (!params.accept_events)
-    *ex_style |= WS_EX_TRANSPARENT;
-  DCHECK_NE(Widget::InitParams::ACTIVATABLE_DEFAULT, params.activatable);
-  if (params.activatable == Widget::InitParams::ACTIVATABLE_NO)
-    *ex_style |= WS_EX_NOACTIVATE;
-  if (params.keep_on_top)
-    *ex_style |= WS_EX_TOPMOST;
-  if (params.mirror_origin_in_rtl)
-    *ex_style |= l10n_util::GetExtendedTooltipStyles();
-  // Layered windows do not work with Aura. They are basically incompatible
-  // with Direct3D surfaces. Officially, it should be impossible to achieve
-  // per-pixel alpha compositing with the desktop and 3D acceleration but it
-  // has been discovered that since Vista There is a secret handshake between
-  // user32 and the DMW. If things are set up just right DMW gets out of the
-  // way; it does not create a backbuffer and simply blends our D3D surface
-  // and the desktop background. The handshake is as follows:
-  // 1- Use D3D9Ex to create device/swapchain, etc. You need D3DFMT_A8R8G8B8.
-  // 2- The window must have WS_EX_COMPOSITED in the extended style.
-  // 3- The window must have WS_POPUP in its style.
-  // 4- The windows must not have WM_SIZEBOX, WS_THICKFRAME or WS_CAPTION in its
-  //    style.
-  // 5- When the window is created but before it is presented, call
-  //    DwmExtendFrameIntoClientArea passing -1 as the margins.
-  if (params.opacity == Widget::InitParams::TRANSLUCENT_WINDOW) {
-    if (ui::win::IsAeroGlassEnabled())
-      *ex_style |= WS_EX_COMPOSITED;
-  }
-  if (params.shadow_type == Widget::InitParams::SHADOW_TYPE_DROP) {
-    *class_style |= (base::win::GetVersion() < base::win::VERSION_XP) ?
-        0 : CS_DROPSHADOW;
-  }
-
-  // Set type-dependent style attributes.
-  switch (params.type) {
-    case Widget::InitParams::TYPE_PANEL:
-      *ex_style |= WS_EX_TOPMOST;
-      if (params.remove_standard_frame) {
-        *style |= WS_POPUP;
-        break;
-      }
-      // Else, no break. Fall through to TYPE_WINDOW.
-    case Widget::InitParams::TYPE_WINDOW: {
-      // WS_OVERLAPPEDWINDOW is equivalent to:
-      //   WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU |
-      //   WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX
-      *style |= WS_OVERLAPPEDWINDOW;
-      if (!widget_delegate->CanMaximize())
-        *style &= ~WS_MAXIMIZEBOX;
-      if (!widget_delegate->CanMinimize())
-        *style &= ~WS_MINIMIZEBOX;
-      if (!widget_delegate->CanResize())
-        *style &= ~(WS_THICKFRAME | WS_MAXIMIZEBOX);
-      if (params.remove_standard_frame)
-        *style &= ~(WS_MINIMIZEBOX | WS_MAXIMIZEBOX);
-
-      if (native_widget_delegate->IsDialogBox()) {
-        *style |= DS_MODALFRAME;
-        // NOTE: Turning this off means we lose the close button, which is bad.
-        // Turning it on though means the user can maximize or size the window
-        // from the system menu, which is worse. We may need to provide our own
-        // menu to get the close button to appear properly.
-        // style &= ~WS_SYSMENU;
-
-        // Set the WS_POPUP style for modal dialogs. This ensures that the owner
-        // window is activated on destruction. This style should not be set for
-        // non-modal non-top-level dialogs like constrained windows.
-        *style |= native_widget_delegate->IsModal() ? WS_POPUP : 0;
-      }
-      *ex_style |=
-          native_widget_delegate->IsDialogBox() ? WS_EX_DLGMODALFRAME : 0;
-
-      // See layered window comment above.
-      if (*ex_style & WS_EX_COMPOSITED)
-        *style &= ~(WS_THICKFRAME | WS_CAPTION);
-      break;
-    }
-    case Widget::InitParams::TYPE_CONTROL:
-      *style |= WS_VISIBLE;
-      break;
-    case Widget::InitParams::TYPE_WINDOW_FRAMELESS:
-      *style |= WS_POPUP;
-      break;
-    case Widget::InitParams::TYPE_BUBBLE:
-      *style |= WS_POPUP;
-      *style |= WS_CLIPCHILDREN;
-      if (!params.force_show_in_taskbar)
-        *ex_style |= WS_EX_TOOLWINDOW;
-      break;
-    case Widget::InitParams::TYPE_POPUP:
-      *style |= WS_POPUP;
-      if (!params.force_show_in_taskbar)
-        *ex_style |= WS_EX_TOOLWINDOW;
-      break;
-    case Widget::InitParams::TYPE_MENU:
-      *style |= WS_POPUP;
-      break;
-    default:
-      NOTREACHED();
-  }
-}
-
-}  // namespace
-
-bool DidClientAreaSizeChange(const WINDOWPOS* window_pos) {
-  return !(window_pos->flags & SWP_NOSIZE) ||
-         window_pos->flags & SWP_FRAMECHANGED;
-}
-
-void ConfigureWindowStyles(
-    HWNDMessageHandler* handler,
-    const Widget::InitParams& params,
-    WidgetDelegate* widget_delegate,
-    internal::NativeWidgetDelegate* native_widget_delegate) {
-  // Configure the HWNDMessageHandler with the appropriate
-  DWORD style = 0;
-  DWORD ex_style = 0;
-  DWORD class_style = 0;
-  CalculateWindowStylesFromInitParams(params, widget_delegate,
-                                      native_widget_delegate, &style, &ex_style,
-                                      &class_style);
-  handler->set_initial_class_style(class_style);
-  handler->set_window_style(handler->window_style() | style);
-  handler->set_window_ex_style(handler->window_ex_style() | ex_style);
-}
-
-}  // namespace views