Constrained window sheet controller (test patch)

chrome/browser/ui/cocoa/constrained_window/constrained_window_mac2.mm

+// 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 "chrome/browser/ui/cocoa/constrained_window/constrained_window_mac2.h"
+
+#include "base/logging.h"
+#include "chrome/browser/ui/browser_finder.h"
+#include "chrome/browser/ui/browser_window.h"
+#include "chrome/browser/ui/cocoa/constrained_window/constrained_window_sheet_controller.h"
+#include "chrome/browser/ui/constrained_window_tab_helper.h"
+#include "chrome/browser/ui/tab_contents/tab_contents.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_contents_view.h"
+
+ConstrainedWindowMac2::ConstrainedWindowMac2(
+    TabContents* tab_contents,
+    NSWindow* window)
+    : tab_contents_(tab_contents),
+      window_([window retain]) {
+  DCHECK(tab_contents);
+  DCHECK(window_.get());
+  tab_contents->constrained_window_tab_helper()->AddConstrainedDialog(this);
+}
+
+ConstrainedWindowMac2::~ConstrainedWindowMac2() {
+}
+
+void ConstrainedWindowMac2::ShowConstrainedWindow() {
+  NSWindow* parent_window = GetParentWindow();
+  DCHECK(parent_window);
+  NSView* parent_view =
+      [tab_contents_->web_contents()->GetNativeView() superview];
+
+  ConstrainedWindowSheetController* controller =
+      [ConstrainedWindowSheetController
+          controllerForParentWindow:parent_window];
+  [controller showSheet:window_ forParentView:parent_view];
+}
+
+void ConstrainedWindowMac2::CloseConstrainedWindow() {
+  [[ConstrainedWindowSheetController controllerForSheet:window_]
+      closeSheet:window_];
+  tab_contents_->constrained_window_tab_helper()->WillClose(this);
+  delete this;
+}
+
+gfx::NativeWindow ConstrainedWindowMac2::GetNativeWindow() {
+  return window_;
+}
+
+bool ConstrainedWindowMac2::GetCanShowConstrainedWindow() {
+  Browser* browser =
+      browser::FindBrowserWithWebContents(tab_contents_->web_contents());
+  if (!browser)
+    return true;
+  return !browser->window()->GetIsShowingInstant();
+}
+
+NSWindow* ConstrainedWindowMac2::GetParentWindow() const {
+  // Tab contents in a tabbed browser may not be inside a window. For this
+  // reason use a browser window if possible.
+  Browser* browser =
+      browser::FindBrowserWithWebContents(tab_contents_->web_contents());
+  if (browser)
+    return browser->window()->GetNativeWindow();
+
+  return tab_contents_->web_contents()->GetView()->GetTopLevelNativeWindow();
+}