| // 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_application_loader_android.h" |
| |
| #include "base/bind.h" |
| #include "mojo/application_manager/application_manager.h" |
| #include "mojo/shell/context.h" |
| |
| namespace mojo { |
| |
| class UIApplicationLoader::UILoader { |
| public: |
| explicit UILoader(ApplicationLoader* loader) : loader_(loader) {} |
| ~UILoader() {} |
| |
| void Load(ApplicationManager* manager, |
| const GURL& url, |
| ScopedMessagePipeHandle shell_handle) { |
| scoped_refptr<LoadCallbacks> callbacks( |
| new ApplicationLoader::SimpleLoadCallbacks(shell_handle.Pass())); |
| loader_->Load(manager, url, callbacks); |
| } |
| |
| void OnApplicationError(ApplicationManager* manager, const GURL& url) { |
| loader_->OnApplicationError(manager, url); |
| } |
| |
| private: |
| ApplicationLoader* loader_; // Owned by UIApplicationLoader |
| |
| DISALLOW_COPY_AND_ASSIGN(UILoader); |
| }; |
| |
| UIApplicationLoader::UIApplicationLoader( |
| scoped_ptr<ApplicationLoader> real_loader, |
| shell::Context* context) |
| : loader_(real_loader.Pass()), context_(context) { |
| } |
| |
| UIApplicationLoader::~UIApplicationLoader() { |
| context_->ui_loop()->PostTask( |
| FROM_HERE, |
| base::Bind(&UIApplicationLoader::ShutdownOnUIThread, |
| base::Unretained(this))); |
| } |
| |
| void UIApplicationLoader::Load(ApplicationManager* manager, |
| const GURL& url, |
| scoped_refptr<LoadCallbacks> callbacks) { |
| ScopedMessagePipeHandle shell_handle = callbacks->RegisterApplication(); |
| if (!shell_handle.is_valid()) |
| return; |
| context_->ui_loop()->PostTask( |
| FROM_HERE, |
| base::Bind( |
| &UIApplicationLoader::LoadOnUIThread, |
| base::Unretained(this), |
| manager, |
| url, |
| base::Owned(new ScopedMessagePipeHandle(shell_handle.Pass())))); |
| } |
| |
| void UIApplicationLoader::OnApplicationError(ApplicationManager* manager, |
| const GURL& url) { |
| context_->ui_loop()->PostTask( |
| FROM_HERE, |
| base::Bind(&UIApplicationLoader::OnApplicationErrorOnUIThread, |
| base::Unretained(this), |
| manager, |
| url)); |
| } |
| |
| void UIApplicationLoader::LoadOnUIThread( |
| ApplicationManager* manager, |
| const GURL& url, |
| ScopedMessagePipeHandle* shell_handle) { |
| if (!ui_loader_) |
| ui_loader_ = new UILoader(loader_.get()); |
| ui_loader_->Load(manager, url, shell_handle->Pass()); |
| } |
| |
| void UIApplicationLoader::OnApplicationErrorOnUIThread( |
| ApplicationManager* manager, |
| const GURL& url) { |
| if (!ui_loader_) |
| ui_loader_ = new UILoader(loader_.get()); |
| ui_loader_->OnApplicationError(manager, url); |
| } |
| |
| void UIApplicationLoader::ShutdownOnUIThread() { |
| delete ui_loader_; |
| // Destroy |loader_| on the thread it's actually used on. |
| loader_.reset(); |
| } |
| |
| } // namespace mojo |