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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_PUBLIC_RENDERER_RENDER_VIEW_OBSERVER_H_ | 5 #ifndef CONTENT_PUBLIC_RENDERER_RENDER_VIEW_OBSERVER_H_ |
6 #define CONTENT_PUBLIC_RENDERER_RENDER_VIEW_OBSERVER_H_ | 6 #define CONTENT_PUBLIC_RENDERER_RENDER_VIEW_OBSERVER_H_ |
7 | 7 |
8 #include "base/compiler_specific.h" | 8 #include "base/compiler_specific.h" |
9 #include "base/macros.h" | 9 #include "base/macros.h" |
10 #include "content/common/content_export.h" | 10 #include "content/common/content_export.h" |
11 #include "ipc/ipc_listener.h" | 11 #include "ipc/ipc_listener.h" |
12 #include "ipc/ipc_sender.h" | 12 #include "ipc/ipc_sender.h" |
13 | 13 |
14 class GURL; | 14 class GURL; |
15 | 15 |
16 namespace blink { | 16 namespace blink { |
17 class WebFrame; | |
18 class WebGestureEvent; | 17 class WebGestureEvent; |
19 class WebLocalFrame; | 18 class WebLocalFrame; |
20 struct WebURLError; | 19 struct WebURLError; |
21 } | 20 } |
22 | 21 |
23 namespace content { | 22 namespace content { |
24 | 23 |
25 class RenderView; | 24 class RenderView; |
26 class RenderViewImpl; | 25 class RenderViewImpl; |
27 | 26 |
28 // Base class for objects that want to filter incoming IPCs, and also get | 27 // Base class for objects that want to filter incoming IPCs, and also get |
29 // notified of changes to the frame. | 28 // notified of changes to the frame. |
30 class CONTENT_EXPORT RenderViewObserver : public IPC::Listener, | 29 class CONTENT_EXPORT RenderViewObserver : public IPC::Listener, |
31 public IPC::Sender { | 30 public IPC::Sender { |
32 public: | 31 public: |
33 // A subclass can use this to delete itself. If it does not, the subclass must | 32 // A subclass can use this to delete itself. If it does not, the subclass must |
34 // always null-check each call to render_view() becase the RenderView can | 33 // always null-check each call to render_view() becase the RenderView can |
35 // go away at any time. | 34 // go away at any time. |
36 virtual void OnDestruct() = 0; | 35 virtual void OnDestruct() = 0; |
37 | 36 |
38 // These match the WebKit API notifications | 37 // These match the WebKit API notifications |
39 virtual void DidStartLoading() {} | 38 virtual void DidStartLoading() {} |
40 virtual void DidStopLoading() {} | 39 virtual void DidStopLoading() {} |
41 virtual void DidFailProvisionalLoad(blink::WebLocalFrame* frame, | 40 virtual void DidFailProvisionalLoad(blink::WebLocalFrame* frame, |
42 const blink::WebURLError& error) {} | 41 const blink::WebURLError& error) {} |
43 virtual void DidCommitProvisionalLoad(blink::WebLocalFrame* frame, | 42 virtual void DidCommitProvisionalLoad(blink::WebLocalFrame* frame, |
44 bool is_new_navigation) {} | 43 bool is_new_navigation) {} |
45 virtual void DidClearWindowObject(blink::WebLocalFrame* frame) {} | 44 virtual void DidClearWindowObject(blink::WebLocalFrame* frame) {} |
46 virtual void DraggableRegionsChanged(blink::WebFrame* frame) {} | |
47 virtual void DidCommitCompositorFrame() {} | 45 virtual void DidCommitCompositorFrame() {} |
48 virtual void DidUpdateLayout() {} | 46 virtual void DidUpdateLayout() {} |
49 | 47 |
50 // These match the RenderView methods. | 48 // These match the RenderView methods. |
51 virtual void DidHandleGestureEvent(const blink::WebGestureEvent& event) {} | 49 virtual void DidHandleGestureEvent(const blink::WebGestureEvent& event) {} |
52 | 50 |
53 // These match incoming IPCs. | 51 // These match incoming IPCs. |
54 virtual void Navigate(const GURL& url) {} | 52 virtual void Navigate(const GURL& url) {} |
55 | 53 |
56 virtual void OnZoomLevelChanged() {} | 54 virtual void OnZoomLevelChanged() {} |
(...skipping 27 matching lines...) Expand all Loading... |
84 RenderViewImpl* render_view_; | 82 RenderViewImpl* render_view_; |
85 // The routing ID of the associated RenderView. | 83 // The routing ID of the associated RenderView. |
86 int routing_id_; | 84 int routing_id_; |
87 | 85 |
88 DISALLOW_COPY_AND_ASSIGN(RenderViewObserver); | 86 DISALLOW_COPY_AND_ASSIGN(RenderViewObserver); |
89 }; | 87 }; |
90 | 88 |
91 } // namespace content | 89 } // namespace content |
92 | 90 |
93 #endif // CONTENT_PUBLIC_RENDERER_RENDER_VIEW_OBSERVER_H_ | 91 #endif // CONTENT_PUBLIC_RENDERER_RENDER_VIEW_OBSERVER_H_ |
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