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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "mojo/shell/app_container.h"
#include "base/bind.h"
#include "base/callback_forward.h"
#include "base/callback_helpers.h"
#include "base/file_util.h"
#include "base/files/file_path.h"
#include "base/native_library.h"
#include "base/scoped_native_library.h"
#include "base/thread_task_runner_handle.h"
#include "base/threading/thread.h"
#include "mojo/public/system/core.h"
#include "mojo/services/native_viewport/native_viewport_impl.h"
#include "mojo/shell/context.h"
typedef MojoResult (*MojoMainFunction)(MojoHandle pipe);
namespace mojo {
namespace shell {
AppContainer::AppContainer(Context* context)
: context_(context),
weak_factory_(this) {
}
AppContainer::~AppContainer() {
}
void AppContainer::Load(const GURL& app_url) {
request_ = context_->loader()->Load(app_url, this);
}
void AppContainer::DidCompleteLoad(const GURL& app_url,
const base::FilePath& app_path) {
CreateMessagePipe(&shell_handle_, &app_handle_);
native_viewport_.reset(
new services::NativeViewportImpl(context_, shell_handle_.Pass()));
// Launch the app on its own thread.
// TODO(beng): Create a unique thread name.
app_path_ = app_path;
ack_closure_ =
base::Bind(&AppContainer::AppCompleted, weak_factory_.GetWeakPtr());
thread_.reset(new base::DelegateSimpleThread(this, "app_thread"));
thread_->Start();
}
void AppContainer::Run() {
base::ScopedClosureRunner app_deleter(
base::Bind(base::IgnoreResult(&base::DeleteFile), app_path_, false));
base::ScopedNativeLibrary app_library(
base::LoadNativeLibrary(app_path_, NULL));
if (!app_library.is_valid()) {
LOG(ERROR) << "Failed to load library: " << app_path_.value().c_str();
return;
}
MojoMainFunction main_function = reinterpret_cast<MojoMainFunction>(
app_library.GetFunctionPointer("MojoMain"));
if (!main_function) {
LOG(ERROR) << "Entrypoint MojoMain not found.";
return;
}
// |MojoMain()| takes ownership of the app handle.
MojoResult result = main_function(app_handle_.release().value());
if (result < MOJO_RESULT_OK) {
LOG(ERROR) << "MojoMain returned an error: " << result;
return;
}
context_->task_runners()->ui_runner()->PostTask(FROM_HERE, ack_closure_);
}
void AppContainer::AppCompleted() {
native_viewport_.reset();
thread_->Join();
thread_.reset();
}
} // namespace shell
} // namespace mojo
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