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/apps/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/apps/js/bindings/gl/module.h"
15 #include "mojo/apps/js/bindings/monotonic_clock.h"
16 #include "mojo/apps/js/bindings/threading.h"
17 #include "mojo/bindings/js/core.h"
18 #include "mojo/bindings/js/handle.h"
19 #include "mojo/bindings/js/support.h"
20
21 namespace mojo {
22 namespace apps {
23
24 namespace {
25
26 // TODO(abarth): Rather than loading these modules from the file system, we
27 // should load them from the network via Mojo IPC.
GetModuleSearchPaths()28 std::vector<base::FilePath> GetModuleSearchPaths() {
29 std::vector<base::FilePath> search_paths(2);
30 PathService::Get(base::DIR_SOURCE_ROOT, &search_paths[0]);
31 PathService::Get(base::DIR_EXE, &search_paths[1]);
32 search_paths[1] = search_paths[1].AppendASCII("gen");
33 return search_paths;
34 }
35
StartCallback(base::WeakPtr<gin::Runner> runner,MojoHandle pipe,v8::Handle<v8::Value> module)36 void StartCallback(base::WeakPtr<gin::Runner> runner,
37 MojoHandle pipe,
38 v8::Handle<v8::Value> module) {
39 v8::Isolate* isolate = runner->GetContextHolder()->isolate();
40 v8::Handle<v8::Function> start;
41 CHECK(gin::ConvertFromV8(isolate, module, &start));
42
43 v8::Handle<v8::Value> args[] = {
44 gin::ConvertToV8(isolate, Handle(pipe)) };
45 runner->Call(start, runner->global(), 1, args);
46 }
47
48 } // namespace
49
MojoRunnerDelegate()50 MojoRunnerDelegate::MojoRunnerDelegate()
51 : ModuleRunnerDelegate(GetModuleSearchPaths()) {
52 AddBuiltinModule(gin::Console::kModuleName, gin::Console::GetModule);
53 AddBuiltinModule(gin::TimerModule::kName, gin::TimerModule::GetModule);
54 AddBuiltinModule(js::Core::kModuleName, js::Core::GetModule);
55 AddBuiltinModule(js::Support::kModuleName, js::Support::GetModule);
56 AddBuiltinModule(js::gl::kModuleName, js::gl::GetModule);
57 AddBuiltinModule(MonotonicClock::kModuleName, MonotonicClock::GetModule);
58 AddBuiltinModule(Threading::kModuleName, Threading::GetModule);
59 }
60
~MojoRunnerDelegate()61 MojoRunnerDelegate::~MojoRunnerDelegate() {
62 }
63
Start(gin::Runner * runner,MojoHandle pipe,const std::string & module)64 void MojoRunnerDelegate::Start(gin::Runner* runner,
65 MojoHandle pipe,
66 const std::string& module) {
67 gin::Runner::Scope scope(runner);
68 gin::ModuleRegistry* registry =
69 gin::ModuleRegistry::From(runner->GetContextHolder()->context());
70 registry->LoadModule(runner->GetContextHolder()->isolate(), module,
71 base::Bind(StartCallback, runner->GetWeakPtr(), pipe));
72 AttemptToLoadMoreModules(runner);
73 }
74
UnhandledException(gin::ShellRunner * runner,gin::TryCatch & try_catch)75 void MojoRunnerDelegate::UnhandledException(gin::ShellRunner* runner,
76 gin::TryCatch& try_catch) {
77 gin::ModuleRunnerDelegate::UnhandledException(runner, try_catch);
78 LOG(ERROR) << try_catch.GetStackTrace();
79 }
80
81 } // namespace apps
82 } // namespace mojo
83