feat: enable native extensions support (#21814)
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61 changed files with 1054 additions and 941 deletions
97
shell/browser/extensions/electron_extension_loader.h
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97
shell/browser/extensions/electron_extension_loader.h
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// Copyright 2018 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef SHELL_BROWSER_EXTENSIONS_ELECTRON_EXTENSION_LOADER_H_
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#define SHELL_BROWSER_EXTENSIONS_ELECTRON_EXTENSION_LOADER_H_
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#include <memory>
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#include <string>
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#include <utility>
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#include "base/macros.h"
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#include "base/memory/ref_counted.h"
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#include "base/memory/weak_ptr.h"
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#include "extensions/browser/extension_registrar.h"
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#include "extensions/common/extension_id.h"
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namespace base {
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class FilePath;
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} // namespace base
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namespace content {
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class BrowserContext;
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} // namespace content
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namespace extensions {
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class Extension;
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// Handles extension loading and reloading using ExtensionRegistrar.
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class ElectronExtensionLoader : public ExtensionRegistrar::Delegate {
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public:
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explicit ElectronExtensionLoader(content::BrowserContext* browser_context);
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~ElectronExtensionLoader() override;
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// Loads an unpacked extension from a directory synchronously. Returns the
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// extension on success, or nullptr otherwise.
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void LoadExtension(const base::FilePath& extension_dir,
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base::OnceCallback<void(const Extension* extension,
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const std::string&)> cb);
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// Starts reloading the extension. A keep-alive is maintained until the
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// reload succeeds/fails. If the extension is an app, it will be launched upon
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// reloading.
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// This may invalidate references to the old Extension object, so it takes the
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// ID by value.
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void ReloadExtension(const ExtensionId& extension_id);
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void UnloadExtension(const ExtensionId& extension_id,
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extensions::UnloadedExtensionReason reason);
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private:
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// If the extension loaded successfully, enables it. If it's an app, launches
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// it. If the load failed, updates ShellKeepAliveRequester.
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void FinishExtensionReload(
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const ExtensionId& old_extension_id,
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std::pair<scoped_refptr<const Extension>, std::string> result);
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void FinishExtensionLoad(
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base::OnceCallback<void(const Extension*, const std::string&)> cb,
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std::pair<scoped_refptr<const Extension>, std::string> result);
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// ExtensionRegistrar::Delegate:
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void PreAddExtension(const Extension* extension,
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const Extension* old_extension) override;
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void PostActivateExtension(scoped_refptr<const Extension> extension) override;
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void PostDeactivateExtension(
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scoped_refptr<const Extension> extension) override;
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void LoadExtensionForReload(
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const ExtensionId& extension_id,
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const base::FilePath& path,
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ExtensionRegistrar::LoadErrorBehavior load_error_behavior) override;
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bool CanEnableExtension(const Extension* extension) override;
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bool CanDisableExtension(const Extension* extension) override;
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bool ShouldBlockExtension(const Extension* extension) override;
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content::BrowserContext* browser_context_; // Not owned.
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// Registers and unregisters extensions.
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ExtensionRegistrar extension_registrar_;
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// Holds keep-alives for relaunching apps.
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// ShellKeepAliveRequester keep_alive_requester_;
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// Indicates that we posted the (asynchronous) task to start reloading.
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// Used by ReloadExtension() to check whether ExtensionRegistrar calls
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// LoadExtensionForReload().
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bool did_schedule_reload_ = false;
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base::WeakPtrFactory<ElectronExtensionLoader> weak_factory_;
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DISALLOW_COPY_AND_ASSIGN(ElectronExtensionLoader);
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};
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} // namespace extensions
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#endif // SHELL_BROWSER_EXTENSIONS_ELECTRON_EXTENSION_LOADER_H_
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