content_browser_client.h 7.49 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 "libcef/browser/browser_context_impl.h"
#include "libcef/browser/url_request_context_getter_impl.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 "third_party/skia/include/core/SkColor.h"
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#include "url/gurl.h"
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class CefBrowserHostImpl;
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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 {
class SiteInstance;
}

class CefContentBrowserClient : public content::ContentBrowserClient {
 public:
  CefContentBrowserClient();
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  ~CefContentBrowserClient() override;
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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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  // ContentBrowserClient implementation.
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  content::BrowserMainParts* CreateBrowserMainParts(
      const content::MainFunctionParams& parameters) override;
  void RenderProcessWillLaunch(
      content::RenderProcessHost* host) override;
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  bool ShouldUseProcessPerSite(content::BrowserContext* browser_context,
                               const GURL& effective_url) override;
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  net::URLRequestContextGetter* CreateRequestContext(
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      content::BrowserContext* browser_context,
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      content::ProtocolHandlerMap* protocol_handlers,
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      content::URLRequestInterceptorScopedVector request_interceptors)
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      override;
  net::URLRequestContextGetter* CreateRequestContextForStoragePartition(
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      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)
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      override;
  bool IsHandledURL(const GURL& url) override;
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  bool IsNPAPIEnabled() override;
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  void AppendExtraCommandLineSwitches(base::CommandLine* command_line,
                                              int child_process_id) override;
  content::QuotaPermissionContext*
      CreateQuotaPermissionContext() override;
  content::MediaObserver* GetMediaObserver() override;
  content::SpeechRecognitionManagerDelegate*
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      CreateSpeechRecognitionManagerDelegate() override;
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  void AllowCertificateError(
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      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,
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      content::ResourceType resource_type,
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      bool overridable,
      bool strict_enforcement,
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      bool expired_previous_decision,
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      const base::Callback<void(bool)>& callback,
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      content::CertificateRequestResultType* result) override;
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  void SelectClientCertificate(
      content::WebContents* web_contents,
      net::SSLCertRequestInfo* cert_request_info,
      scoped_ptr<content::ClientCertificateDelegate> delegate) override;
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  content::AccessTokenStore* CreateAccessTokenStore() override;
  bool CanCreateWindow(const GURL& opener_url,
                       const GURL& opener_top_level_frame_url,
                       const GURL& source_origin,
                       WindowContainerType container_type,
                       const GURL& target_url,
                       const content::Referrer& referrer,
                       WindowOpenDisposition disposition,
                       const blink::WebWindowFeatures& features,
                       bool user_gesture,
                       bool opener_suppressed,
                       content::ResourceContext* context,
                       int render_process_id,
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                       int opener_render_view_id,
                       int opener_render_frame_id,
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                       bool* no_javascript_access) override;
  void ResourceDispatcherHostCreated() override;
  void OverrideWebkitPrefs(content::RenderViewHost* rvh,
                           content::WebPreferences* prefs) override;
  void BrowserURLHandlerCreated(
      content::BrowserURLHandler* handler) override;
  std::string GetDefaultDownloadName() override;
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  void DidCreatePpapiPlugin(content::BrowserPpapiHost* browser_host) override;
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  content::DevToolsManagerDelegate* GetDevToolsManagerDelegate()
      override;
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#if defined(OS_POSIX) && !defined(OS_MACOSX)
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  void GetAdditionalMappedFilesForChildProcess(
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      const base::CommandLine& command_line,
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      int child_process_id,
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      content::FileDescriptorInfo* mappings) override;
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#endif

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#if defined(OS_WIN)
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  const wchar_t* GetResourceDllName() override;
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  void PreSpawnRenderer(sandbox::TargetPolicy* policy, bool* success) override;
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#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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    std::string target_frame_name;
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  };
  void set_last_create_window_params(const LastCreateWindowParams& params);

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  scoped_refptr<CefBrowserContextImpl> browser_context() const;
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  CefDevToolsDelegate* devtools_delegate() const;
  PrefService* pref_service() const;
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 private:
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  static SkColor GetBaseBackgroundColor(CefRefPtr<CefBrowserHostImpl> browser);
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  CefBrowserMainParts* browser_main_parts_;

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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_