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