Create 2272 release branch for CEF3.

git-svn-id: https://chromiumembedded.googlecode.com/svn/branches/2272@1993 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

libcef/browser/browser_info.h

@@ -0,0 +1,89 @@
+// Copyright (c) 2012 The Chromium Embedded Framework 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 CEF_LIBCEF_BROWSER_BROWSER_INFO_H_
+#define CEF_LIBCEF_BROWSER_BROWSER_INFO_H_
+#pragma once
+
+#include <set>
+
+#include "libcef/browser/browser_host_impl.h"
+#include "base/memory/ref_counted.h"
+
+// CefBrowserInfo is used to associate a browser ID and render view/process
+// IDs with a particular CefBrowserHostImpl. Render view/process IDs may change
+// during the lifetime of a single CefBrowserHostImpl.
+//
+// CefBrowserInfo objects are managed by CefContentBrowserClient and should not
+// be created directly.
+class CefBrowserInfo : public base::RefCountedThreadSafe<CefBrowserInfo> {
+ public:
+  CefBrowserInfo(int browser_id, bool is_popup);
+
+  int browser_id() const { return browser_id_; };
+  bool is_popup() const { return is_popup_; }
+  bool is_windowless() const { return is_windowless_; }
+
+  void set_windowless(bool windowless);
+
+  // Adds an ID pair if it doesn't already exist.
+  void add_render_view_id(int render_process_id, int render_routing_id);
+  void add_render_frame_id(int render_process_id, int render_routing_id);
+
+  // Remove an ID pair if it exists.
+  void remove_render_view_id(int render_process_id, int render_routing_id);
+  void remove_render_frame_id(int render_process_id, int render_routing_id);
+
+  // Returns true if this browser matches the specified ID pair.
+  bool is_render_view_id_match(int render_process_id, int render_routing_id);
+  bool is_render_frame_id_match(int render_process_id, int render_routing_id);
+
+  CefRefPtr<CefBrowserHostImpl> browser();
+  void set_browser(CefRefPtr<CefBrowserHostImpl> browser);
+
+ private:
+  friend class base::RefCountedThreadSafe<CefBrowserInfo>;
+
+  ~CefBrowserInfo();
+
+  typedef std::set<std::pair<int, int> > RenderIdSet;
+
+  void add_render_id(RenderIdSet* id_set,
+                     int render_process_id,
+                     int render_routing_id);
+  void remove_render_id(RenderIdSet* id_set,
+                        int render_process_id,
+                        int render_routing_id);
+  bool is_render_id_match(const RenderIdSet* id_set,
+                          int render_process_id,
+                          int render_routing_id);
+
+  int browser_id_;
+  bool is_popup_;
+  bool is_windowless_;
+
+  base::Lock lock_;
+
+  // The below members must be protected by |lock_|.
+
+  // Set of mapped (process_id, routing_id) pairs. Keeping this set is
+  // necessary for the following reasons:
+  // 1. When navigating cross-origin the new (pending) RenderViewHost will be
+  //    created before the old (current) RenderViewHost is destroyed.
+  // 2. When canceling and asynchronously continuing navigation of the same URL
+  //    a new RenderViewHost may be created for the first (canceled) navigation
+  //    and then destroyed as a result of the second (allowed) navigation.
+  // 3. Out-of-process iframes have their own render IDs which must also be
+  //    associated with the host browser.
+  RenderIdSet render_view_id_set_;
+  RenderIdSet render_frame_id_set_;
+
+  // May be NULL if the browser has not yet been created or if the browser has
+  // been destroyed.
+  CefRefPtr<CefBrowserHostImpl> browser_;
+
+  DISALLOW_COPY_AND_ASSIGN(CefBrowserInfo);
+};
+
+#endif  // CEF_LIBCEF_BROWSER_BROWSER_INFO_H_