Upstream version 7.36.149.0
[platform/framework/web/crosswalk.git] / src / chrome / renderer / chrome_render_view_observer.h
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
3 // found in the LICENSE file.
4
5 #ifndef CHROME_RENDERER_CHROME_RENDER_VIEW_OBSERVER_H_
6 #define CHROME_RENDERER_CHROME_RENDER_VIEW_OBSERVER_H_
7
8 #include <set>
9 #include <string>
10 #include <vector>
11
12 #include "base/basictypes.h"
13 #include "base/memory/linked_ptr.h"
14 #include "base/memory/scoped_ptr.h"
15 #include "base/timer/timer.h"
16 #include "content/public/common/top_controls_state.h"
17 #include "content/public/renderer/render_view_observer.h"
18 #include "ui/gfx/size.h"
19 #include "url/gurl.h"
20
21 class ChromeRenderProcessObserver;
22 class ContentSettingsObserver;
23 class SkBitmap;
24 class TranslateHelper;
25 class WebViewColorOverlay;
26 class WebViewAnimatingOverlay;
27
28 namespace blink {
29 class WebView;
30 struct WebWindowFeatures;
31 }
32
33 namespace safe_browsing {
34 class PhishingClassifierDelegate;
35 }
36
37 // This class holds the Chrome specific parts of RenderView, and has the same
38 // lifetime.
39 class ChromeRenderViewObserver : public content::RenderViewObserver {
40  public:
41   // translate_helper can be NULL.
42   ChromeRenderViewObserver(
43       content::RenderView* render_view,
44       ChromeRenderProcessObserver* chrome_render_process_observer);
45   virtual ~ChromeRenderViewObserver();
46
47  private:
48   // RenderViewObserver implementation.
49   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
50   virtual void DidStartLoading() OVERRIDE;
51   virtual void DidStopLoading() OVERRIDE;
52   virtual void DidCommitProvisionalLoad(blink::WebLocalFrame* frame,
53                                         bool is_new_navigation) OVERRIDE;
54   virtual void DetailedConsoleMessageAdded(const base::string16& message,
55                                            const base::string16& source,
56                                            const base::string16& stack_trace,
57                                            int32 line_number,
58                                            int32 severity_level) OVERRIDE;
59   virtual void Navigate(const GURL& url) OVERRIDE;
60
61   void OnWebUIJavaScript(const base::string16& javascript);
62   void OnSetClientSidePhishingDetection(bool enable_phishing_detection);
63   void OnSetVisuallyDeemphasized(bool deemphasized);
64   void OnGetFPS();
65 #if defined(OS_ANDROID)
66   void OnUpdateTopControlsState(content::TopControlsState constraints,
67                                 content::TopControlsState current,
68                                 bool animate);
69   void OnRetrieveWebappInformation(const GURL& expected_url);
70   void OnRetrieveMetaTagContent(const GURL& expected_url,
71                                 const std::string tag_name);
72 #endif
73   void OnSetWindowFeatures(const blink::WebWindowFeatures& window_features);
74
75   void CapturePageInfoLater(int page_id,
76                             bool preliminary_capture,
77                             base::TimeDelta delay);
78
79   // Captures the thumbnail and text contents for indexing for the given load
80   // ID.  Kicks off analysis of the captured text.
81   void CapturePageInfo(int page_id, bool preliminary_capture);
82
83   // Retrieves the text from the given frame contents, the page text up to the
84   // maximum amount kMaxIndexChars will be placed into the given buffer.
85   void CaptureText(blink::WebFrame* frame, base::string16* contents);
86
87   // Determines if a host is in the strict security host set.
88   bool IsStrictSecurityHost(const std::string& host);
89
90   // Checks if a page contains <meta http-equiv="refresh" ...> tag.
91   bool HasRefreshMetaTag(blink::WebFrame* frame);
92
93   // Save the JavaScript to preload if a ViewMsg_WebUIJavaScript is received.
94   base::string16 webui_javascript_;
95
96   // Owned by ChromeContentRendererClient and outlive us.
97   ChromeRenderProcessObserver* chrome_render_process_observer_;
98
99   // Have the same lifetime as us.
100   TranslateHelper* translate_helper_;
101   safe_browsing::PhishingClassifierDelegate* phishing_classifier_;
102
103   // Page_id from the last page we indexed. This prevents us from indexing the
104   // same page twice in a row.
105   int32 last_indexed_page_id_;
106   // The toplevel URL that was last indexed.  This is used together with the
107   // page id to decide whether to reindex in certain cases like history
108   // replacement.
109   GURL last_indexed_url_;
110
111   // A color page overlay when visually de-emaphasized.
112   scoped_ptr<WebViewColorOverlay> dimmed_color_overlay_;
113
114   // Used to delay calling CapturePageInfo.
115   base::Timer capture_timer_;
116
117   DISALLOW_COPY_AND_ASSIGN(ChromeRenderViewObserver);
118 };
119
120 #endif  // CHROME_RENDERER_CHROME_RENDER_VIEW_OBSERVER_H_