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      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(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_
     86