Extract a minimal subset of WebDialogUI/WebDialogDelegate from src/chrome -> src/ui/web_dialogs

chrome/browser/ui/webui/chrome_web_dialog_web_contents_delegate.h

+// 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.
+
+#ifndef CHROME_BROWSER_UI_WEBUI_CHROME_WEB_DIALOG_WEB_CONTENTS_DELEGATE_H_
+#define CHROME_BROWSER_UI_WEBUI_CHROME_WEB_DIALOG_WEB_CONTENTS_DELEGATE_H_
+#pragma once
+
+#include "base/compiler_specific.h"
+#include "ui/web_dialogs/web_dialog_web_contents_delegate.h"
+
+class Browser;
+class Profile;
+
+// This class implements (and mostly ignores) most of
+// content::WebContentsDelegate for use in a Web dialog. Subclasses need only
+// override a few methods instead of the everything from
+// content::WebContentsDelegate; this way, implementations on all platforms
+// behave consistently.
+class ChromeWebDialogWebContentsDelegate
+    : public web_dialogs::WebDialogWebContentsDelegate {
+ public:
+  // Opens a new URL inside |source| (if source is NULL open in the current
+  // front-most tab). |profile| is the profile that the browser should be owened
+  // by. |params| contains the URL to open and various attributes such as
+  // disposition. On return |out_new_contents| contains the WebContents the
+  // URL is opened in. Returns the browser spawned by the operation.
+  static Browser* StaticOpenURLFromTab(Profile* profile,
+                                       content::WebContents* source,
+                                       const content::OpenURLParams& params,
+                                       content::WebContents** out_new_contents);
+
+  // Creates a new tab with |new_contents|. |profile| is the profile that the
+  // browser should be owned by. |source| is the WebContent where the operation
+  // originated. |disposition| controls how the new tab should be opened.
+  // |initial_pos| is the position of the window if a new window is created.
+  // |user_gesture| is true if the operation was started by a user gesture.
+  // Returns the browser spawned by the operation.
+  static Browser* StaticAddNewContents(Profile* profile,
+                                       content::WebContents* source,
+                                       content::WebContents* new_contents,
+                                       WindowOpenDisposition disposition,
+                                       const gfx::Rect& initial_pos,
+                                       bool user_gesture);
+
+  // Profile must be non-NULL.
+  explicit ChromeWebDialogWebContentsDelegate(Profile* profile);
+
+  virtual ~ChromeWebDialogWebContentsDelegate();
+
+  // The returned profile is guaranteed to be original if non-NULL.
+  Profile* profile() const;
+
+  // Calling this causes all following events sent from the
+  // WebContents object to be ignored.  It also makes all following
+  // calls to profile() return NULL.
+  void Detach();
+
+  // content::WebContentsDelegate declarations.
+  virtual content::WebContents* OpenURLFromTab(
+      content::WebContents* source,
+      const content::OpenURLParams& params) OVERRIDE;
+
+  virtual void AddNewContents(content::WebContents* source,
+                              content::WebContents* new_contents,
+                              WindowOpenDisposition disposition,
+                              const gfx::Rect& initial_pos,
+                              bool user_gesture) OVERRIDE;
+
+ private:
+  Profile* profile_;  // Weak pointer.  Always an original profile.
+
+  DISALLOW_COPY_AND_ASSIGN(ChromeWebDialogWebContentsDelegate);
+};
+
+#endif  // CHROME_BROWSER_UI_WEBUI_CHROME_WEB_DIALOG_WEB_CONTENTS_DELEGATE_H_