components/nacl/browser/nacl_browser_delegate.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef COMPONENTS_NACL_BROWSER_NACL_BROWSER_DELEGATE_H_
   6 #define COMPONENTS_NACL_BROWSER_NACL_BROWSER_DELEGATE_H_
   7
   8 #include <string>
   9
  10 #include "base/callback_forward.h"
  11 #include "content/public/browser/browser_ppapi_host.h"
  12
  13 class GURL;
  14
  15 namespace base {
  16 class FilePath;
  17 }
  18
  19 namespace ppapi {
  20 namespace host {
  21 class HostFactory;
  22 }
  23 }
  24
  25 // Encapsulates the dependencies of NaCl code on chrome/, to avoid a direct
  26 // dependency on chrome/.
  27 class NaClBrowserDelegate {
  28  public:
  29   virtual ~NaClBrowserDelegate() {}
  30
  31   // Show an infobar to the user to indicate the client architecture was not
  32   // covered by the manifest.
  33   virtual void ShowMissingArchInfobar(int render_process_id,
  34                                       int render_view_id) = 0;
  35   // Returns whether dialogs are allowed. This is used to decide if to add the
  36   // command line switch kNoErrorDialogs.
  37   virtual bool DialogsAreSuppressed() = 0;
  38   // Returns true on success, false otherwise. On success |cache_dir| contains
  39   // the cache directory. On failure, it is not changed.
  40   virtual bool GetCacheDirectory(base::FilePath* cache_dir) = 0;
  41   // Returns true on success, false otherwise. On success |plugin_dir| contains
  42   // the directory where the plugins are located. On failure, it is not
  43   // changed.
  44   virtual bool GetPluginDirectory(base::FilePath* plugin_dir) = 0;
  45   // Returns true on success, false otherwise. On success |pnacl_dir| contains
  46   // the directory where the PNaCl files are located. On failure, it is not
  47   // changed.
  48   virtual bool GetPnaclDirectory(base::FilePath* pnacl_dir) = 0;
  49   // Returns true on success, false otherwise. On success |user_dir| contains
  50   // the user data directory. On failure, it is not changed.
  51   virtual bool GetUserDirectory(base::FilePath* user_dir) = 0;
  52   // Returns the version as a string. This string is used to invalidate
  53   // validator cache entries when Chromium is upgraded
  54   virtual std::string GetVersionString() const = 0;
  55   // Returns a HostFactory that hides the details of its embedder.
  56   virtual ppapi::host::HostFactory* CreatePpapiHostFactory(
  57       content::BrowserPpapiHost* ppapi_host) = 0;
  58   // Returns true on success, false otherwise. On success, map |url| to a
  59   // full pathname of a file in the local filesystem. |file_path| should not be
  60   // changed on failure. This mapping should be a best effort, for example,
  61   // "chrome-extension:" could be mapped to the location of unpacked
  62   // extensions. If this method is called in a blocking thread you should set
  63   // |use_blocking_api| to true, so calling blocking file API is allowed
  64   // otherwise non blocking API will be used (which only handles a subset of the
  65   // urls checking only the url scheme against kExtensionScheme).
  66   virtual bool MapUrlToLocalFilePath(const GURL& url,
  67                                      bool use_blocking_api,
  68                                      const base::FilePath& profile_directory,
  69                                      base::FilePath* file_path) = 0;
  70   // Set match patterns which will be checked before enabling debug stub.
  71   virtual void SetDebugPatterns(const std::string& debug_patterns) = 0;
  72
  73   // Returns whether NaCl application with this manifest URL should be debugged.
  74   virtual bool URLMatchesDebugPatterns(const GURL& manifest_url) = 0;
  75
  76   // Returns a callback that handles NaCl idle state transitions.
  77   virtual content::BrowserPpapiHost::OnKeepaliveCallback
  78       GetOnKeepaliveCallback() = 0;
  79
  80   // Returns whether Non-SFI mode is allowed for a given manifest URL.
  81   virtual bool IsNonSfiModeAllowed(const base::FilePath& profile_directory,
  82                                    const GURL& manifest_url) = 0;
  83 };
  84
  85 #endif  // COMPONENTS_NACL_BROWSER_NACL_BROWSER_DELEGATE_H_