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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_GUEST_VIEW_BROWSER_TEST_GUEST_VIEW_MANAGER_H_
#define COMPONENTS_GUEST_VIEW_BROWSER_TEST_GUEST_VIEW_MANAGER_H_
#include <stddef.h>
#include <memory>
#include "base/functional/bind.h"
#include "base/gtest_prod_util.h"
#include "components/guest_view/browser/guest_view_manager.h"
#include "components/guest_view/browser/guest_view_manager_factory.h"
#include "components/guest_view/common/guest_view_constants.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/test/browser_test_utils.h"
namespace guest_view {
class TestGuestViewManager : public GuestViewManager {
public:
TestGuestViewManager(content::BrowserContext* context,
std::unique_ptr<GuestViewManagerDelegate> delegate);
TestGuestViewManager(const TestGuestViewManager&) = delete;
TestGuestViewManager& operator=(const TestGuestViewManager&) = delete;
~TestGuestViewManager() override;
void WaitForAllGuestsDeleted();
void WaitForFirstGuestDeleted();
void WaitForLastGuestDeleted();
// While the GuestViewBase directly represents a guest view, the
// RenderFrameHost version exposes the guest view's main frame for the ease of
// testing.
GuestViewBase* WaitForSingleGuestViewCreated();
content::RenderFrameHost* WaitForSingleGuestRenderFrameHostCreated();
GuestViewBase* WaitForNextGuestViewCreated();
content::RenderFrameHost* WaitForNextGuestRenderFrameHostCreated();
void WaitForNumGuestsCreated(size_t count);
void WaitForSingleViewGarbageCollected();
GuestViewBase* GetLastGuestViewCreated();
content::RenderFrameHost* GetLastGuestRenderFrameHostCreated();
void WaitUntilAttached(GuestViewBase* guest_view);
[[nodiscard]] bool WaitUntilAttachedAndLoaded(GuestViewBase* guest_view);
// Returns the number of guests currently still alive at the time of calling
// this method.
size_t GetCurrentGuestCount() const;
// Returns the size of the set of removed instance IDs.
size_t GetNumRemovedInstanceIDs() const;
// Returns the number of times EmbedderWillBeDestroyed() was called.
int num_embedder_processes_destroyed() const {
return num_embedder_processes_destroyed_;
}
// Returns the number of guests that have been created since the creation of
// this GuestViewManager.
size_t num_guests_created() const { return num_guests_created_; }
// Returns the number of GuestViews that have been garbage collected in
// JavaScript since the creation of this GuestViewManager.
int num_views_garbage_collected() const {
return num_views_garbage_collected_;
}
// Returns the last guest instance ID removed from the manager.
int last_instance_id_removed() const { return last_instance_id_removed_; }
// Returns the list of guests that were created by this manager.
void GetGuestRenderFrameHostList(
std::vector<content::RenderFrameHost*>* guest_render_frame_host_list);
void SetWillAttachCallback(
base::OnceCallback<void(GuestViewBase*)> callback) {
// The callback will be called when the guest view has been created but is
// not yet attached to the outer.
will_attach_callback_ = std::move(callback);
}
private:
FRIEND_TEST_ALL_PREFIXES(GuestViewManagerTest, AddRemove);
FRIEND_TEST_ALL_PREFIXES(GuestViewManagerTest, ReuseIdForRecreatedGuestPage);
// guest_view::GuestViewManager:
void AddGuest(GuestViewBase* guest) override;
void EmbedderProcessDestroyed(
content::ChildProcessId embedder_process_id) override;
void ViewGarbageCollected(content::ChildProcessId embedder_process_id,
int view_instance_id) override;
void AttachGuest(content::ChildProcessId embedder_process_id,
int element_instance_id,
int guest_instance_id,
const base::Value::Dict& attach_params) override;
void AttachGuest(int embedder_process_id,
int element_instance_id,
int guest_instance_id,
const base::Value::Dict& attach_params) override;
void WaitForViewGarbageCollected();
using GuestViewManager::last_instance_id_removed_;
using GuestViewManager::removed_instance_ids_;
int num_embedder_processes_destroyed_ = 0;
size_t num_guests_created_ = 0;
size_t expected_num_guests_created_ = 0;
int num_views_garbage_collected_ = 0;
// Tracks the life time of the GuestView's main FrameTreeNode. The main FTN
// has the same lifesspan as the GuestView.
std::vector<std::unique_ptr<content::FrameDeletedObserver>>
guest_view_watchers_;
std::unique_ptr<base::RunLoop> created_run_loop_;
std::unique_ptr<base::RunLoop> num_created_run_loop_;
int instance_waiting_for_attach_ = kInstanceIDNone;
std::unique_ptr<base::RunLoop> attached_run_loop_;
std::unique_ptr<base::RunLoop> gc_run_loop_;
base::OnceCallback<void(GuestViewBase*)> will_attach_callback_;
};
// Test factory for creating test instances of GuestViewManager.
class TestGuestViewManagerFactory : public GuestViewManagerFactory {
public:
TestGuestViewManagerFactory();
TestGuestViewManagerFactory(const TestGuestViewManagerFactory&) = delete;
TestGuestViewManagerFactory& operator=(const TestGuestViewManagerFactory&) =
delete;
~TestGuestViewManagerFactory() override;
TestGuestViewManager* GetOrCreateTestGuestViewManager(
content::BrowserContext* context,
std::unique_ptr<GuestViewManagerDelegate> delegate);
std::unique_ptr<GuestViewManager> CreateGuestViewManager(
content::BrowserContext* context,
std::unique_ptr<GuestViewManagerDelegate> delegate) override;
};
} // namespace guest_view
#endif // COMPONENTS_GUEST_VIEW_BROWSER_TEST_GUEST_VIEW_MANAGER_H_
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