86 lines
3 KiB
C++
86 lines
3 KiB
C++
// Copyright 2018 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 SHELL_BROWSER_EXTENSIONS_ATOM_EXTENSION_LOADER_H_
|
|
#define SHELL_BROWSER_EXTENSIONS_ATOM_EXTENSION_LOADER_H_
|
|
|
|
#include <memory>
|
|
#include <string>
|
|
|
|
#include "base/macros.h"
|
|
#include "base/memory/ref_counted.h"
|
|
#include "base/memory/weak_ptr.h"
|
|
#include "extensions/browser/extension_registrar.h"
|
|
#include "extensions/common/extension_id.h"
|
|
|
|
namespace base {
|
|
class FilePath;
|
|
} // namespace base
|
|
|
|
namespace content {
|
|
class BrowserContext;
|
|
} // namespace content
|
|
|
|
namespace extensions {
|
|
|
|
class Extension;
|
|
|
|
// Handles extension loading and reloading using ExtensionRegistrar.
|
|
class AtomExtensionLoader : public ExtensionRegistrar::Delegate {
|
|
public:
|
|
explicit AtomExtensionLoader(content::BrowserContext* browser_context);
|
|
~AtomExtensionLoader() override;
|
|
|
|
// Loads an unpacked extension from a directory synchronously. Returns the
|
|
// extension on success, or nullptr otherwise.
|
|
const Extension* LoadExtension(const base::FilePath& extension_dir);
|
|
|
|
// Starts reloading the extension. A keep-alive is maintained until the
|
|
// reload succeeds/fails. If the extension is an app, it will be launched upon
|
|
// reloading.
|
|
// This may invalidate references to the old Extension object, so it takes the
|
|
// ID by value.
|
|
void ReloadExtension(ExtensionId extension_id);
|
|
|
|
private:
|
|
// If the extension loaded successfully, enables it. If it's an app, launches
|
|
// it. If the load failed, updates ShellKeepAliveRequester.
|
|
void FinishExtensionReload(const ExtensionId old_extension_id,
|
|
scoped_refptr<const Extension> extension);
|
|
|
|
// ExtensionRegistrar::Delegate:
|
|
void PreAddExtension(const Extension* extension,
|
|
const Extension* old_extension) override;
|
|
void PostActivateExtension(scoped_refptr<const Extension> extension) override;
|
|
void PostDeactivateExtension(
|
|
scoped_refptr<const Extension> extension) override;
|
|
void LoadExtensionForReload(
|
|
const ExtensionId& extension_id,
|
|
const base::FilePath& path,
|
|
ExtensionRegistrar::LoadErrorBehavior load_error_behavior) override;
|
|
bool CanEnableExtension(const Extension* extension) override;
|
|
bool CanDisableExtension(const Extension* extension) override;
|
|
bool ShouldBlockExtension(const Extension* extension) override;
|
|
|
|
content::BrowserContext* browser_context_; // Not owned.
|
|
|
|
// Registers and unregisters extensions.
|
|
ExtensionRegistrar extension_registrar_;
|
|
|
|
// Holds keep-alives for relaunching apps.
|
|
// ShellKeepAliveRequester keep_alive_requester_;
|
|
|
|
// Indicates that we posted the (asynchronous) task to start reloading.
|
|
// Used by ReloadExtension() to check whether ExtensionRegistrar calls
|
|
// LoadExtensionForReload().
|
|
bool did_schedule_reload_ = false;
|
|
|
|
base::WeakPtrFactory<AtomExtensionLoader> weak_factory_;
|
|
|
|
DISALLOW_COPY_AND_ASSIGN(AtomExtensionLoader);
|
|
};
|
|
|
|
} // namespace extensions
|
|
|
|
#endif // SHELL_BROWSER_EXTENSIONS_ATOM_EXTENSION_LOADER_H_
|