1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
// Copyright 2015 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_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_OWNER_DELEGATE_H_
#define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_OWNER_DELEGATE_H_
#include "content/common/content_export.h"
namespace IPC {
class Message;
}
namespace blink {
class WebMouseEvent;
}
namespace content {
struct NativeWebKeyboardEvent;
//
// RenderWidgetHostOwnerDelegate
//
// An interface implemented by an object owning a RenderWidgetHost. This is
// intended to be temporary until the RenderViewHostImpl and
// RenderWidgetHostImpl classes are disentangled; see http://crbug.com/542477
// and http://crbug.com/478281.
class CONTENT_EXPORT RenderWidgetHostOwnerDelegate {
public:
// The RenderWidgetHost received an IPC message. Return true if this delegate
// handles it.
virtual bool OnMessageReceived(const IPC::Message& msg) = 0;
// The RenderWidgetHost has been initialized.
virtual void RenderWidgetDidInit() = 0;
// The RenderWidgetHost will be setting its loading state.
virtual void RenderWidgetWillSetIsLoading(bool is_loading) = 0;
// The RenderWidgetHost got the focus.
virtual void RenderWidgetGotFocus() = 0;
// The RenderWidgetHost lost the focus.
virtual void RenderWidgetLostFocus() = 0;
// The RenderWidgetHost forwarded a mouse event.
virtual void RenderWidgetDidForwardMouseEvent(
const blink::WebMouseEvent& mouse_event) = 0;
// The RenderWidgetHost wants to forward a keyboard event; returns whether
// it's allowed to do so.
virtual bool MayRenderWidgetForwardKeyboardEvent(
const NativeWebKeyboardEvent& key_event) = 0;
// Allow OwnerDelegate to control whether its RenderWidgetHost contributes
// priority to the RenderProcessHost.
virtual bool ShouldContributePriorityToProcess() = 0;
// Called when the RenderWidgetHost has shutdown.
virtual void RenderWidgetDidShutdown() = 0;
protected:
virtual ~RenderWidgetHostOwnerDelegate() {}
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_OWNER_DELEGATE_H_
|
