browser_plugin_guest_delegate.h revision 5d1f7b1de12d16ceb2c938c56701a3e8bfa558f7 
1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CONTENT_PUBLIC_BROWSER_BROWSER_PLUGIN_GUEST_DELEGATE_H_
6#define CONTENT_PUBLIC_BROWSER_BROWSER_PLUGIN_GUEST_DELEGATE_H_
7
8#include "base/callback_forward.h"
9#include "base/process/kill.h"
10#include "base/strings/string16.h"
11#include "base/values.h"
12#include "content/common/content_export.h"
13#include "content/public/common/browser_plugin_permission_type.h"
14#include "ui/gfx/size.h"
15#include "url/gurl.h"
16
17namespace content {
18
19struct NativeWebKeyboardEvent;
20
21// Objects implement this interface to get notified about changes in the guest
22// WebContents and to provide necessary functionality.
23class CONTENT_EXPORT BrowserPluginGuestDelegate {
24 public:
25  virtual ~BrowserPluginGuestDelegate() {}
26
27  // Add a message to the console.
28  virtual void AddMessageToConsole(int32 level,
29                                   const base::string16& message,
30                                   int32 line_no,
31                                   const base::string16& source_id) {}
32
33  // Request the delegate to close this guest, and do whatever cleanup it needs
34  // to do.
35  virtual void Close() {}
36
37  // Notification that the embedder has completed attachment.
38  virtual void DidAttach() {}
39
40  // Informs the delegate that the guest render process is gone. |status|
41  // indicates whether the guest was killed, crashed, or was terminated
42  // gracefully.
43  virtual void GuestProcessGone(base::TerminationStatus status) {}
44
45  // Informs the delegate that the embedder has been destroyed.
46  virtual void EmbedderDestroyed() {}
47
48  virtual bool HandleKeyboardEvent(const NativeWebKeyboardEvent& event);
49
50  // Requests setting the zoom level to the provided |zoom_level|.
51  virtual void SetZoom(double zoom_factor) {}
52
53  virtual bool IsDragAndDropEnabled();
54
55  // Returns whether the user agent for the guest is being overridden.
56  virtual bool IsOverridingUserAgent() const;
57
58  // Notification that a load in the guest resulted in abort. Note that |url|
59  // may be invalid.
60  virtual void LoadAbort(bool is_top_level,
61                         const GURL& url,
62                         const std::string& error_type) {}
63
64  // Notification that the page has made some progress loading. |progress| is a
65  // value between 0.0 (nothing loaded) and 1.0 (page loaded completely).
66  virtual void LoadProgressed(double progress) {}
67
68  // Notification that the guest is no longer hung.
69  virtual void RendererResponsive() {}
70
71  // Notification that the guest is hung.
72  virtual void RendererUnresponsive() {}
73
74  typedef base::Callback<void(bool /* allow */,
75                              const std::string& /* user_input */)>
76      PermissionResponseCallback;
77
78  // Request permission from the delegate to perform an action of the provided
79  // |permission_type|. Details of the permission request are found in
80  // |request_info|. A |callback| is provided to make the decision.
81  // Returns whether the delegate has, or will handle the permission request.
82  virtual bool RequestPermission(
83      BrowserPluginPermissionType permission_type,
84      const base::DictionaryValue& request_info,
85      const PermissionResponseCallback& callback,
86      bool allowed_by_default);
87
88  // Requests resolution of a potentially relative URL.
89  virtual GURL ResolveURL(const std::string& src);
90
91  // Notifies that the content size of the guest has changed in autosize mode.
92  virtual void SizeChanged(const gfx::Size& old_size,
93                           const gfx::Size& new_size) {}
94};
95
96}  // namespace content
97
98#endif  // CONTENT_PUBLIC_BROWSER_BROWSER_PLUGIN_GUEST_DELEGATE_H_
99