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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 CONTENT_PUBLIC_BROWSER_BROWSER_PLUGIN_GUEST_DELEGATE_H_
#define CONTENT_PUBLIC_BROWSER_BROWSER_PLUGIN_GUEST_DELEGATE_H_
#include "base/callback_forward.h"
#include "base/process/kill.h"
#include "content/common/content_export.h"
#include "content/public/browser/guest_sizer.h"
#include "content/public/browser/web_contents.h"
namespace base {
class DictionaryValue;
} // namespace base
namespace gfx {
class Size;
} // namespace gfx
namespace content {
// Objects implement this interface to get notified about changes in the guest
// WebContents and to provide necessary functionality.
class CONTENT_EXPORT BrowserPluginGuestDelegate {
public:
virtual ~BrowserPluginGuestDelegate() {}
// Notification that the embedder will begin attachment. This is called
// prior to resuming resource loads. |element_instance_id| uniquely identifies
// the element that will serve as a container for the guest.
virtual void WillAttach(content::WebContents* embedder_web_contents,
int element_instance_id,
bool is_full_page_plugin) {}
virtual WebContents* CreateNewGuestWindow(
const WebContents::CreateParams& create_params);
// Asks the delegate whether this guest can run while detached from a
// container. A detached guest is a WebContents that has no visual surface
// into which it can composite its content. Detached guests can be thought
// of as workers with a DOM.
virtual bool CanRunInDetachedState() const;
// Notification that the embedder has completed attachment. The
// |guest_proxy_routing_id| is the routing ID for the RenderView in the
// embedder that will serve as a contentWindow proxy for the guest.
virtual void DidAttach(int guest_proxy_routing_id) {}
// Notification that the guest has detached from its container.
virtual void DidDetach() {}
// Notification that the BrowserPlugin has resized.
virtual void ElementSizeChanged(const gfx::Size& size) {}
// Returns the WebContents that currently owns this guest.
virtual WebContents* GetOwnerWebContents() const;
// Notifies that the content size of the guest has changed.
// Note: In autosize mode, it si possible that the guest size may not match
// the element size.
virtual void GuestSizeChanged(const gfx::Size& old_size,
const gfx::Size& new_size) {}
// Asks the delegate if the given guest can lock the pointer.
// Invoking the |callback| synchronously is OK.
virtual void RequestPointerLockPermission(
bool user_gesture,
bool last_unlocked_by_target,
const base::Callback<void(bool)>& callback) {}
// Registers a |callback| with the delegate that the delegate would call when
// it is about to be destroyed.
typedef base::Callback<void()> DestructionCallback;
virtual void RegisterDestructionCallback(
const DestructionCallback& callback) {}
// Find the given |search_text| in the page. Returns true if the find request
// is handled by this browser plugin guest delegate.
virtual bool Find(int request_id,
const base::string16& search_text,
const blink::WebFindOptions& options);
// Provides the delegate with an interface with which to size the guest.
virtual void SetGuestSizer(GuestSizer* guest_sizer) {}
};
} // namespace content
#endif // CONTENT_PUBLIC_BROWSER_BROWSER_PLUGIN_GUEST_DELEGATE_H_
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