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.
5 #ifndef CHROME_RENDERER_CHROME_RENDER_VIEW_OBSERVER_H_
6 #define CHROME_RENDERER_CHROME_RENDER_VIEW_OBSERVER_H_
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"
21 class ChromeRenderProcessObserver;
22 class ContentSettingsObserver;
24 class TranslateHelper;
25 class WebViewColorOverlay;
26 class WebViewAnimatingOverlay;
30 struct WebWindowFeatures;
33 namespace safe_browsing {
34 class PhishingClassifierDelegate;
37 // This class holds the Chrome specific parts of RenderView, and has the same
39 class ChromeRenderViewObserver : public content::RenderViewObserver {
41 // translate_helper can be NULL.
42 ChromeRenderViewObserver(
43 content::RenderView* render_view,
44 ChromeRenderProcessObserver* chrome_render_process_observer);
45 virtual ~ChromeRenderViewObserver();
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 Navigate(const GURL& url) OVERRIDE;
56 #if !defined(OS_ANDROID) && !defined(OS_IOS)
57 void OnWebUIJavaScript(const base::string16& javascript);
59 #if defined(ENABLE_EXTENSIONS)
60 void OnSetName(const std::string& name);
61 void OnSetVisuallyDeemphasized(bool deemphasized);
63 #if defined(OS_ANDROID)
64 void OnUpdateTopControlsState(content::TopControlsState constraints,
65 content::TopControlsState current,
67 void OnRetrieveWebappInformation(const GURL& expected_url);
68 void OnRetrieveMetaTagContent(const GURL& expected_url,
69 const std::string tag_name);
71 void OnSetClientSidePhishingDetection(bool enable_phishing_detection);
72 void OnSetWindowFeatures(const blink::WebWindowFeatures& window_features);
74 void CapturePageInfoLater(bool preliminary_capture,
75 base::TimeDelta delay);
77 // Captures the thumbnail and text contents for indexing for the given load
78 // ID. Kicks off analysis of the captured text.
79 void CapturePageInfo(bool preliminary_capture);
81 // Retrieves the text from the given frame contents, the page text up to the
82 // maximum amount kMaxIndexChars will be placed into the given buffer.
83 void CaptureText(blink::WebFrame* frame, base::string16* contents);
85 // Determines if a host is in the strict security host set.
86 bool IsStrictSecurityHost(const std::string& host);
88 // Checks if a page contains <meta http-equiv="refresh" ...> tag.
89 bool HasRefreshMetaTag(blink::WebFrame* frame);
91 // Save the JavaScript to preload if a ViewMsg_WebUIJavaScript is received.
92 std::vector<base::string16> webui_javascript_;
94 // Owned by ChromeContentRendererClient and outlive us.
95 ChromeRenderProcessObserver* chrome_render_process_observer_;
97 // Have the same lifetime as us.
98 TranslateHelper* translate_helper_;
99 safe_browsing::PhishingClassifierDelegate* phishing_classifier_;
101 // A color page overlay when visually de-emaphasized.
102 scoped_ptr<WebViewColorOverlay> dimmed_color_overlay_;
104 // Used to delay calling CapturePageInfo.
105 base::Timer capture_timer_;
107 DISALLOW_COPY_AND_ASSIGN(ChromeRenderViewObserver);
110 #endif // CHROME_RENDERER_CHROME_RENDER_VIEW_OBSERVER_H_