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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.
#ifndef MOJO_RUNNER_CONTEXT_H_
#define MOJO_RUNNER_CONTEXT_H_
#include <string>
#include "base/callback_forward.h"
#include "base/macros.h"
#include "mojo/edk/embedder/process_delegate.h"
#include "mojo/runner/scoped_user_data_dir.h"
#include "mojo/runner/task_runners.h"
#include "mojo/runner/url_resolver.h"
#include "mojo/shell/application_manager.h"
namespace mojo {
namespace runner {
class NativeApplicationLoader;
// The "global" context for the shell's main process.
class Context : public shell::ApplicationManager::Delegate,
public embedder::ProcessDelegate {
public:
Context();
~Context() override;
static void EnsureEmbedderIsInitialized();
// Point to the directory containing installed services, such as the network
// service. By default this directory is used as the base URL for resolving
// unknown mojo: URLs. The network service will be loaded from this directory,
// even when the base URL for unknown mojo: URLs is overridden.
void SetShellFileRoot(const base::FilePath& path);
// Resolve an URL relative to the shell file root. This is a nop for
// everything but relative file URLs or URLs without a scheme.
GURL ResolveShellFileURL(const std::string& path);
// Override the CWD, which is used for resolving file URLs passed in from the
// command line.
void SetCommandLineCWD(const base::FilePath& path);
// Resolve an URL relative to the CWD mojo_shell was invoked from. This is a
// nop for everything but relative file URLs or URLs without a scheme.
GURL ResolveCommandLineURL(const std::string& path);
// This must be called with a message loop set up for the current thread,
// which must remain alive until after Shutdown() is called. Returns true on
// success.
bool Init();
// If Init() was called and succeeded, this must be called before destruction.
void Shutdown();
// NOTE: call either Run() or RunCommandLineApplication(), but not both.
// Runs the app specified by |url|.
void Run(const GURL& url);
// Run the application specified on the commandline. When the app finishes,
// |callback| is run if not null, otherwise the message loop is quit.
void RunCommandLineApplication(const base::Closure& callback);
TaskRunners* task_runners() { return task_runners_.get(); }
shell::ApplicationManager* application_manager() {
return &application_manager_;
}
URLResolver* url_resolver() { return &url_resolver_; }
private:
class NativeViewportApplicationLoader;
// ApplicationManager::Delegate overrides.
GURL ResolveMappings(const GURL& url) override;
GURL ResolveMojoURL(const GURL& url) override;
bool CreateFetcher(
const GURL& url,
const shell::Fetcher::FetchCallback& loader_callback) override;
// ProcessDelegate implementation.
void OnShutdownComplete() override;
void OnApplicationEnd(const GURL& url);
ScopedUserDataDir scoped_user_data_dir;
std::set<GURL> app_urls_;
scoped_ptr<TaskRunners> task_runners_;
shell::ApplicationManager application_manager_;
URLResolver url_resolver_;
GURL shell_file_root_;
GURL command_line_cwd_;
base::Closure app_complete_callback_;
DISALLOW_COPY_AND_ASSIGN(Context);
};
} // namespace runner
} // namespace mojo
#endif // MOJO_RUNNER_CONTEXT_H_
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