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// Copyright 2014 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/ui_service_loader_android.h"
#include "base/bind.h"
#include "mojo/service_manager/service_manager.h"
#include "mojo/shell/context.h"
namespace mojo {
class UIServiceLoader::UILoader {
public:
explicit UILoader(ServiceLoader* loader) : loader_(loader) {}
~UILoader() {}
void LoadService(ServiceManager* manager,
const GURL& url,
ScopedMessagePipeHandle shell_handle) {
loader_->LoadService(manager, url, shell_handle.Pass());
}
void OnServiceError(ServiceManager* manager, const GURL& url) {
loader_->OnServiceError(manager, url);
}
private:
ServiceLoader* loader_; // Owned by UIServiceLoader
DISALLOW_COPY_AND_ASSIGN(UILoader);
};
UIServiceLoader::UIServiceLoader(scoped_ptr<ServiceLoader> real_loader,
shell::Context* context)
: loader_(real_loader.Pass()), context_(context) {
}
UIServiceLoader::~UIServiceLoader() {
context_->ui_loop()->PostTask(
FROM_HERE,
base::Bind(&UIServiceLoader::ShutdownOnUIThread, base::Unretained(this)));
}
void UIServiceLoader::LoadService(ServiceManager* manager,
const GURL& url,
ScopedMessagePipeHandle shell_handle) {
context_->ui_loop()->PostTask(
FROM_HERE,
base::Bind(
&UIServiceLoader::LoadServiceOnUIThread,
base::Unretained(this),
manager,
url,
base::Owned(new ScopedMessagePipeHandle(shell_handle.Pass()))));
}
void UIServiceLoader::OnServiceError(ServiceManager* manager, const GURL& url) {
context_->ui_loop()->PostTask(
FROM_HERE,
base::Bind(&UIServiceLoader::OnServiceErrorOnUIThread,
base::Unretained(this),
manager,
url));
}
void UIServiceLoader::LoadServiceOnUIThread(
ServiceManager* manager,
const GURL& url,
ScopedMessagePipeHandle* shell_handle) {
if (!ui_loader_)
ui_loader_ = new UILoader(loader_.get());
ui_loader_->LoadService(manager, url, shell_handle->Pass());
}
void UIServiceLoader::OnServiceErrorOnUIThread(ServiceManager* manager,
const GURL& url) {
if (!ui_loader_)
ui_loader_ = new UILoader(loader_.get());
ui_loader_->OnServiceError(manager, url);
}
void UIServiceLoader::ShutdownOnUIThread() {
delete ui_loader_;
// Destroy |loader_| on the thread it's actually used on.
loader_.reset();
}
} // namespace mojo
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