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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 EXTENSIONS_BROWSER_GUEST_VIEW_APP_VIEW_APP_VIEW_GUEST_H_
#define EXTENSIONS_BROWSER_GUEST_VIEW_APP_VIEW_APP_VIEW_GUEST_H_
#include <memory>
#include "base/containers/id_map.h"
#include "base/values.h"
#include "components/guest_view/browser/guest_view.h"
#include "extensions/browser/guest_view/app_view/app_view_guest_delegate.h"
#include "extensions/browser/lazy_context_task_queue.h"
namespace extensions {
class Extension;
// An AppViewGuest provides the browser-side implementation of <appview> API.
// AppViewGuest is created on attachment. That is, when a guest WebContents is
// associated with a particular embedder WebContents. This happens on calls to
// the connect API.
class AppViewGuest : public guest_view::GuestView<AppViewGuest> {
public:
static const char Type[];
static const guest_view::GuestViewHistogramValue HistogramValue;
~AppViewGuest() override;
AppViewGuest(const AppViewGuest&) = delete;
AppViewGuest& operator=(const AppViewGuest&) = delete;
static std::unique_ptr<GuestViewBase> Create(
content::RenderFrameHost* owner_rfh);
// Completes the creation of a WebContents associated with the provided
// `guest_extension_id` and `guest_instance_id` for the given
// `browser_context`.
// `guest_render_process_host` is the RenderProcessHost and `url` is the
// resource GURL of the extension instance making this request. If there is
// any mismatch between the expected `guest_instance_id` and
// `guest_extension_id` provided and the recorded copies from when the the
// <appview> was created, the RenderProcessHost of the extension instance
// behind this request will be killed.
static bool CompletePendingRequest(
content::BrowserContext* browser_context,
const GURL& url,
int guest_instance_id,
const std::string& guest_extension_id,
content::RenderProcessHost* guest_render_process_host);
static std::vector<int> GetAllRegisteredInstanceIdsForTesting();
// Sets the AppDelegate for this guest.
void SetAppDelegateForTest(AppDelegate* delegate);
private:
explicit AppViewGuest(content::RenderFrameHost* owner_rfh);
// GuestViewBase implementation.
void CreateInnerPage(std::unique_ptr<GuestViewBase> owned_this,
scoped_refptr<content::SiteInstance> site_instance,
const base::Value::Dict& create_params,
GuestPageCreatedCallback callback) final;
void DidInitialize(const base::Value::Dict& create_params) final;
void DidAttachToEmbedder() final;
void MaybeRecreateGuestContents(
content::RenderFrameHost* outer_contents_frame) final;
const char* GetAPINamespace() const final;
int GetTaskPrefix() const final;
// GuestpageHolder::Delegate implementation.
bool GuestHandleContextMenu(content::RenderFrameHost& render_frame_host,
const content::ContextMenuParams& params) final;
// content::WebContentsDelegate implementation.
bool HandleContextMenu(content::RenderFrameHost& render_frame_host,
const content::ContextMenuParams& params) final;
bool IsWebContentsCreationOverridden(
content::RenderFrameHost* opener,
content::SiteInstance* source_site_instance,
content::mojom::WindowContainerType window_container_type,
const GURL& opener_url,
const std::string& frame_name,
const GURL& target_url) final;
content::WebContents* CreateCustomWebContents(
content::RenderFrameHost* opener,
content::SiteInstance* source_site_instance,
bool is_new_browsing_instance,
const GURL& opener_url,
const std::string& frame_name,
const GURL& target_url,
const content::StoragePartitionConfig& partition_config,
content::SessionStorageNamespace* session_storage_namespace) final;
void RequestMediaAccessPermission(
content::WebContents* web_contents,
const content::MediaStreamRequest& request,
content::MediaResponseCallback callback) final;
bool CheckMediaAccessPermission(content::RenderFrameHost* render_frame_host,
const url::Origin& security_origin,
blink::mojom::MediaStreamType type) final;
void CompleteCreateInnerPage(const GURL& url,
const Extension* guest_extension,
std::unique_ptr<GuestViewBase> owned_this,
GuestPageCreatedCallback callback);
void LaunchAppAndFireEvent(
std::unique_ptr<GuestViewBase> owned_this,
base::Value::Dict data,
GuestPageCreatedCallback callback,
std::unique_ptr<LazyContextTaskQueue::ContextInfo> context_info);
void LoadURL();
GURL url_;
std::string guest_extension_id_;
std::unique_ptr<AppViewGuestDelegate> app_view_guest_delegate_;
std::unique_ptr<AppDelegate> app_delegate_;
// This is used to ensure pending tasks will not fire after this object is
// destroyed.
base::WeakPtrFactory<AppViewGuest> weak_ptr_factory_{this};
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_GUEST_VIEW_APP_VIEW_APP_VIEW_GUEST_H_
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