content_browser_client.h 7.76 KB
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// Copyright (c) 2011 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 CEF_LIBCEF_BROWSER_CONTENT_BROWSER_CLIENT_H_
#define CEF_LIBCEF_BROWSER_CONTENT_BROWSER_CLIENT_H_
#pragma once

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#include <list>
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#include <map>
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#include <set>
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#include <string>
#include <utility>

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#include "include/cef_request_context_handler.h"

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#include "base/compiler_specific.h"
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#include "base/memory/ref_counted.h"
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#include "base/memory/scoped_ptr.h"
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#include "base/synchronization/lock.h"
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#include "content/public/browser/content_browser_client.h"
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#include "net/proxy/proxy_config_service.h"
#include "net/url_request/url_request_context_getter.h"
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#include "url/gurl.h"
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class CefBrowserContext;
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class CefBrowserInfo;
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class CefBrowserMainParts;
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class CefDevToolsDelegate;
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class CefResourceDispatcherHostDelegate;
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class PrefService;
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namespace content {
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class PluginServiceFilter;
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class SiteInstance;
}

class CefContentBrowserClient : public content::ContentBrowserClient {
 public:
  CefContentBrowserClient();
  virtual ~CefContentBrowserClient();

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  // Returns the singleton CefContentBrowserClient instance.
  static CefContentBrowserClient* Get();

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  // Methods for managing CefBrowserInfo life span. Do not add new callers of
  // these methods.
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  // During popup window creation there is a race between the call to
  // CefBrowserMessageFilter::OnGetNewBrowserInfo on the IO thread and the call
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  // to CefBrowserHostImpl::ShouldCreateWebContents on the UI thread. To resolve
  // this race CefBrowserInfo may be created when requested for the first time
  // and before the associated CefBrowserHostImpl is created.
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  scoped_refptr<CefBrowserInfo> CreateBrowserInfo(bool is_popup);
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  scoped_refptr<CefBrowserInfo> GetOrCreateBrowserInfo(
      int render_view_process_id,
      int render_view_routing_id,
      int render_frame_process_id,
      int render_frame_routing_id);
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  void RemoveBrowserInfo(scoped_refptr<CefBrowserInfo> browser_info);
  void DestroyAllBrowsers();

  // Retrieves the CefBrowserInfo matching the specified IDs or an empty
  // pointer if no match is found. It is allowed to add new callers of this
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  // method but consider using CefBrowserHostImpl::GetBrowserFor[View|Frame]()
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  // instead.
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  scoped_refptr<CefBrowserInfo> GetBrowserInfoForView(int render_process_id,
                                                      int render_routing_id);
  scoped_refptr<CefBrowserInfo> GetBrowserInfoForFrame(int render_process_id,
                                                       int render_routing_id);
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  // Create and return a new CefBrowserContextProxy object.
  CefBrowserContext* CreateBrowserContextProxy(
      CefRefPtr<CefRequestContextHandler> handler);

  // BrowserContexts are nominally owned by RenderViewHosts and
  // CefRequestContextImpls. Keep track of how many objects reference a given
  // context and delete the context when the reference count reaches zero.
  void AddBrowserContextReference(CefBrowserContext* context);
  void RemoveBrowserContextReference(CefBrowserContext* context);

  // ContentBrowserClient implementation.
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  virtual content::BrowserMainParts* CreateBrowserMainParts(
      const content::MainFunctionParams& parameters) OVERRIDE;
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  virtual void RenderProcessWillLaunch(
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      content::RenderProcessHost* host) OVERRIDE;
  virtual net::URLRequestContextGetter* CreateRequestContext(
      content::BrowserContext* browser_context,
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      content::ProtocolHandlerMap* protocol_handlers,
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      content::URLRequestInterceptorScopedVector request_interceptors)
      OVERRIDE;
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  virtual net::URLRequestContextGetter* CreateRequestContextForStoragePartition(
      content::BrowserContext* browser_context,
      const base::FilePath& partition_path,
      bool in_memory,
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      content::ProtocolHandlerMap* protocol_handlers,
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      content::URLRequestInterceptorScopedVector request_interceptors)
      OVERRIDE;
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  virtual bool IsHandledURL(const GURL& url) OVERRIDE;
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  virtual void AppendExtraCommandLineSwitches(base::CommandLine* command_line,
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                                              int child_process_id) OVERRIDE;
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  virtual content::QuotaPermissionContext*
      CreateQuotaPermissionContext() OVERRIDE;
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  virtual content::MediaObserver* GetMediaObserver() OVERRIDE;
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  virtual content::SpeechRecognitionManagerDelegate*
      GetSpeechRecognitionManagerDelegate() OVERRIDE;
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  virtual void AllowCertificateError(
      int render_process_id,
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      int render_frame_id,
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      int cert_error,
      const net::SSLInfo& ssl_info,
      const GURL& request_url,
      ResourceType::Type resource_type,
      bool overridable,
      bool strict_enforcement,
      const base::Callback<void(bool)>& callback,
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      content::CertificateRequestResultType* result) OVERRIDE;
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  virtual content::AccessTokenStore* CreateAccessTokenStore() OVERRIDE;
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  virtual bool CanCreateWindow(const GURL& opener_url,
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                               const GURL& opener_top_level_frame_url,
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                               const GURL& source_origin,
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                               WindowContainerType container_type,
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                               const GURL& target_url,
                               const content::Referrer& referrer,
                               WindowOpenDisposition disposition,
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                               const blink::WebWindowFeatures& features,
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                               bool user_gesture,
                               bool opener_suppressed,
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                               content::ResourceContext* context,
                               int render_process_id,
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                               int opener_id,
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                               bool* no_javascript_access) OVERRIDE;
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  virtual void ResourceDispatcherHostCreated() OVERRIDE;
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  virtual void OverrideWebkitPrefs(content::RenderViewHost* rvh,
                                   const GURL& url,
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                                   WebPreferences* prefs) OVERRIDE;
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  virtual SkColor GetBaseBackgroundColor(content::RenderViewHost* rvh) OVERRIDE;
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  virtual void BrowserURLHandlerCreated(
      content::BrowserURLHandler* handler) OVERRIDE;
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  virtual std::string GetDefaultDownloadName() OVERRIDE;
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#if defined(OS_POSIX) && !defined(OS_MACOSX)
  virtual void GetAdditionalMappedFilesForChildProcess(
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      const base::CommandLine& command_line,
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      int child_process_id,
      std::vector<content::FileDescriptorInfo>* mappings) OVERRIDE;
#endif

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#if defined(OS_WIN)
  const wchar_t* GetResourceDllName() OVERRIDE;
#endif
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  // Perform browser process registration for the custom scheme.
  void RegisterCustomScheme(const std::string& scheme);
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  // Store additional state from the ViewHostMsg_CreateWindow message that will
  // be used when CanCreateWindow() is called.
  struct LastCreateWindowParams {
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    int opener_process_id;
    int opener_view_id;
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    int64 opener_frame_id;
    GURL target_url;
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    base::string16 target_frame_name;
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  };
  void set_last_create_window_params(const LastCreateWindowParams& params);

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  CefBrowserContext* browser_context() const;
  scoped_refptr<net::URLRequestContextGetter> request_context() const;
  CefDevToolsDelegate* devtools_delegate() const;
  PrefService* pref_service() const;
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  // Passes ownership.
  scoped_ptr<net::ProxyConfigService> proxy_config_service() const;

 private:
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  CefBrowserMainParts* browser_main_parts_;

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  scoped_ptr<content::PluginServiceFilter> plugin_service_filter_;
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  scoped_ptr<CefResourceDispatcherHostDelegate>
      resource_dispatcher_host_delegate_;
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  base::Lock browser_info_lock_;
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  // Access must be protected by |browser_info_lock_|.
  typedef std::list<scoped_refptr<CefBrowserInfo> > BrowserInfoList;
  BrowserInfoList browser_info_list_;
  int next_browser_id_;
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  // Only accessed on the IO thread.
  LastCreateWindowParams last_create_window_params_;
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};

#endif  // CEF_LIBCEF_BROWSER_CONTENT_BROWSER_CLIENT_H_