Reland the ULONG -> SIZE_T change from 317177
[chromium-blink-merge.git] / extensions / renderer / extension_helper.h
blob5acc30eb9b3c1d1f8a8677d88c906ea456ddefe4
1 // Copyright 2014 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.
5 #ifndef EXTENSIONS_RENDERER_EXTENSION_HELPER_H_
6 #define EXTENSIONS_RENDERER_EXTENSION_HELPER_H_
8 #include <vector>
10 #include "base/memory/scoped_ptr.h"
11 #include "content/public/common/console_message_level.h"
12 #include "content/public/renderer/render_view_observer.h"
13 #include "content/public/renderer/render_view_observer_tracker.h"
14 #include "extensions/common/view_type.h"
16 class GURL;
17 class SkBitmap;
19 namespace base {
20 class ListValue;
23 namespace extensions {
24 class AutomationApiHelper;
25 class Dispatcher;
26 class URLPatternSet;
28 // RenderView-level plumbing for extension features.
29 class ExtensionHelper
30 : public content::RenderViewObserver,
31 public content::RenderViewObserverTracker<ExtensionHelper> {
32 public:
33 // Returns a list of extension RenderViews that match the given filter
34 // criteria. If |browser_window_id| is not extension_misc::kUnknownWindowId,
35 // the list is restricted to views in that browser window.
36 static std::vector<content::RenderView*> GetExtensionViews(
37 const std::string& extension_id,
38 int browser_window_id,
39 ViewType view_type);
41 // Returns the given extension's background page, or NULL if none.
42 static content::RenderView* GetBackgroundPage(
43 const std::string& extension_id);
45 ExtensionHelper(content::RenderView* render_view, Dispatcher* dispatcher);
46 ~ExtensionHelper() override;
48 int tab_id() const { return tab_id_; }
49 int browser_window_id() const { return browser_window_id_; }
50 ViewType view_type() const { return view_type_; }
51 Dispatcher* dispatcher() const { return dispatcher_; }
53 private:
54 // RenderViewObserver implementation.
55 bool OnMessageReceived(const IPC::Message& message) override;
56 void DidCreateDocumentElement(blink::WebLocalFrame* frame) override;
57 void DidMatchCSS(
58 blink::WebLocalFrame* frame,
59 const blink::WebVector<blink::WebString>& newly_matching_selectors,
60 const blink::WebVector<blink::WebString>& stopped_matching_selectors)
61 override;
62 void DraggableRegionsChanged(blink::WebFrame* frame) override;
64 void OnExtensionResponse(int request_id, bool success,
65 const base::ListValue& response,
66 const std::string& error);
67 void OnExtensionMessageInvoke(const std::string& extension_id,
68 const std::string& module_name,
69 const std::string& function_name,
70 const base::ListValue& args,
71 bool user_gesture);
72 void OnNotifyRendererViewType(ViewType view_type);
73 void OnSetTabId(int tab_id);
74 void OnUpdateBrowserWindowId(int window_id);
75 void OnAddMessageToConsole(content::ConsoleMessageLevel level,
76 const std::string& message);
77 void OnAppWindowClosed();
78 void OnSetFrameName(const std::string& name);
80 Dispatcher* dispatcher_;
82 // Type of view attached with RenderView.
83 ViewType view_type_;
85 // Id of the tab which the RenderView is attached to.
86 int tab_id_;
88 // Id number of browser window which RenderView is attached to.
89 int browser_window_id_;
91 DISALLOW_COPY_AND_ASSIGN(ExtensionHelper);
94 } // namespace extensions
96 #endif // EXTENSIONS_RENDERER_EXTENSION_HELPER_H_