mojo/runner/out_of_process_native_runner.cc

   1 // Copyright 2014 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 #include "mojo/runner/out_of_process_native_runner.h"
   6
   7 #include "base/bind.h"
   8 #include "base/callback_helpers.h"
   9 #include "base/files/file_util.h"
  10 #include "base/logging.h"
  11 #include "mojo/runner/child_process.mojom.h"
  12 #include "mojo/runner/child_process_host.h"
  13 #include "mojo/runner/in_process_native_runner.h"
  14
  15 namespace mojo {
  16 namespace runner {
  17
  18 OutOfProcessNativeRunner::OutOfProcessNativeRunner(Context* context)
  19     : context_(context) {
  20 }
  21
  22 OutOfProcessNativeRunner::~OutOfProcessNativeRunner() {
  23   if (child_process_host_) {
  24     // TODO(vtl): Race condition: If |ChildProcessHost::DidStart()| hasn't been
  25     // called yet, we shouldn't call |Join()| here. (Until |DidStart()|, we may
  26     // not have a child process to wait on.) Probably we should fix |Join()|.
  27     child_process_host_->Join();
  28   }
  29 }
  30
  31 void OutOfProcessNativeRunner::Start(
  32     const base::FilePath& app_path,
  33     bool start_sandboxed,
  34     shell::NativeApplicationCleanup cleanup,
  35     InterfaceRequest<Application> application_request,
  36     const base::Closure& app_completed_callback) {
  37   app_path_ = app_path;
  38
  39   DCHECK(app_completed_callback_.is_null());
  40   app_completed_callback_ = app_completed_callback;
  41
  42   bool clean_app_path = cleanup == shell::NativeApplicationCleanup::DELETE;
  43   child_process_host_.reset(new ChildProcessHost(context_, start_sandboxed,
  44                                                  app_path, clean_app_path));
  45   child_process_host_->Start();
  46
  47   child_process_host_->StartApp(
  48       application_request.Pass(),
  49       base::Bind(&OutOfProcessNativeRunner::AppCompleted,
  50                  base::Unretained(this)));
  51 }
  52
  53 void OutOfProcessNativeRunner::AppCompleted(int32_t result) {
  54   DVLOG(2) << "OutOfProcessNativeRunner::AppCompleted(" << result << ")";
  55
  56   child_process_host_.reset();
  57   // This object may be deleted by this callback.
  58   base::Closure app_completed_callback = app_completed_callback_;
  59   app_completed_callback_.Reset();
  60   app_completed_callback.Run();
  61 }
  62
  63 scoped_ptr<shell::NativeRunner> OutOfProcessNativeRunnerFactory::Create(
  64     const Options& options) {
  65   if (options.force_in_process)
  66     return make_scoped_ptr(new InProcessNativeRunner(context_));
  67
  68   return make_scoped_ptr(new OutOfProcessNativeRunner(context_));
  69 }
  70
  71 }  // namespace runner
  72 }  // namespace mojo