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 #include "mojo/edk/js/mojo_runner_delegate.h"
6
7 #include "base/bind.h"
8 #include "base/path_service.h"
9 #include "gin/converter.h"
10 #include "gin/modules/console.h"
11 #include "gin/modules/module_registry.h"
12 #include "gin/modules/timer.h"
13 #include "gin/try_catch.h"
14 #include "mojo/edk/js/core.h"
15 #include "mojo/edk/js/handle.h"
16 #include "mojo/edk/js/support.h"
17 #include "mojo/edk/js/threading.h"
18
19 namespace mojo {
20 namespace edk {
21 namespace js {
22
23 namespace {
24
25 // TODO(abarth): Rather than loading these modules from the file system, we
26 // should load them from the network via Mojo IPC.
GetModuleSearchPaths()27 std::vector<base::FilePath> GetModuleSearchPaths() {
28 std::vector<base::FilePath> search_paths(2);
29 PathService::Get(base::DIR_SOURCE_ROOT, &search_paths[0]);
30 PathService::Get(base::DIR_EXE, &search_paths[1]);
31 search_paths[1] = search_paths[1].AppendASCII("gen");
32 return search_paths;
33 }
34
StartCallback(base::WeakPtr<gin::Runner> runner,MojoHandle pipe,v8::Handle<v8::Value> module)35 void StartCallback(base::WeakPtr<gin::Runner> runner,
36 MojoHandle pipe,
37 v8::Handle<v8::Value> module) {
38 v8::Isolate* isolate = runner->GetContextHolder()->isolate();
39 v8::Handle<v8::Function> start;
40 CHECK(gin::ConvertFromV8(isolate, module, &start));
41
42 v8::Handle<v8::Value> args[] = {
43 gin::ConvertToV8(isolate, Handle(pipe)) };
44 runner->Call(start, runner->global(), 1, args);
45 }
46
47 } // namespace
48
MojoRunnerDelegate()49 MojoRunnerDelegate::MojoRunnerDelegate()
50 : ModuleRunnerDelegate(GetModuleSearchPaths()) {
51 AddBuiltinModule(gin::Console::kModuleName, gin::Console::GetModule);
52 AddBuiltinModule(gin::TimerModule::kName, gin::TimerModule::GetModule);
53 AddBuiltinModule(Core::kModuleName, Core::GetModule);
54 AddBuiltinModule(Support::kModuleName, Support::GetModule);
55 AddBuiltinModule(Threading::kModuleName, Threading::GetModule);
56 }
57
~MojoRunnerDelegate()58 MojoRunnerDelegate::~MojoRunnerDelegate() {
59 }
60
Start(gin::Runner * runner,MojoHandle pipe,const std::string & module)61 void MojoRunnerDelegate::Start(gin::Runner* runner,
62 MojoHandle pipe,
63 const std::string& module) {
64 gin::Runner::Scope scope(runner);
65 gin::ModuleRegistry* registry =
66 gin::ModuleRegistry::From(runner->GetContextHolder()->context());
67 registry->LoadModule(runner->GetContextHolder()->isolate(), module,
68 base::Bind(StartCallback, runner->GetWeakPtr(), pipe));
69 AttemptToLoadMoreModules(runner);
70 }
71
UnhandledException(gin::ShellRunner * runner,gin::TryCatch & try_catch)72 void MojoRunnerDelegate::UnhandledException(gin::ShellRunner* runner,
73 gin::TryCatch& try_catch) {
74 gin::ModuleRunnerDelegate::UnhandledException(runner, try_catch);
75 LOG(ERROR) << try_catch.GetStackTrace();
76 }
77
78 } // namespace js
79 } // namespace edk
80 } // namespace mojo
81