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// Copyright (c) 2012 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 CHROME_RENDERER_CHROME_RENDER_VIEW_OBSERVER_H_
#define CHROME_RENDERER_CHROME_RENDER_VIEW_OBSERVER_H_
#include <set>
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/memory/linked_ptr.h"
#include "base/memory/scoped_ptr.h"
#include "base/timer/timer.h"
#include "content/public/common/top_controls_state.h"
#include "content/public/renderer/render_view_observer.h"
#include "ui/gfx/size.h"
#include "url/gurl.h"
class ChromeRenderProcessObserver;
class ContentSettingsObserver;
class SkBitmap;
class TranslateHelper;
class WebViewColorOverlay;
class WebViewAnimatingOverlay;
namespace blink {
class WebView;
struct WebWindowFeatures;
}
namespace safe_browsing {
class PhishingClassifierDelegate;
}
// This class holds the Chrome specific parts of RenderView, and has the same
// lifetime.
class ChromeRenderViewObserver : public content::RenderViewObserver {
public:
// translate_helper can be NULL.
ChromeRenderViewObserver(
content::RenderView* render_view,
ChromeRenderProcessObserver* chrome_render_process_observer);
virtual ~ChromeRenderViewObserver();
private:
// RenderViewObserver implementation.
virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
virtual void DidStartLoading() OVERRIDE;
virtual void DidStopLoading() OVERRIDE;
virtual void DidCommitProvisionalLoad(blink::WebLocalFrame* frame,
bool is_new_navigation) OVERRIDE;
virtual void Navigate(const GURL& url) OVERRIDE;
#if !defined(OS_ANDROID) && !defined(OS_IOS)
void OnWebUIJavaScript(const base::string16& javascript);
#endif
#if defined(ENABLE_EXTENSIONS)
void OnSetVisuallyDeemphasized(bool deemphasized);
#endif
#if defined(OS_ANDROID)
void OnUpdateTopControlsState(content::TopControlsState constraints,
content::TopControlsState current,
bool animate);
void OnRetrieveWebappInformation(const GURL& expected_url);
void OnRetrieveMetaTagContent(const GURL& expected_url,
const std::string tag_name);
#endif
void OnSetClientSidePhishingDetection(bool enable_phishing_detection);
void OnSetWindowFeatures(const blink::WebWindowFeatures& window_features);
void CapturePageInfoLater(bool preliminary_capture,
base::TimeDelta delay);
// Captures the thumbnail and text contents for indexing for the given load
// ID. Kicks off analysis of the captured text.
void CapturePageInfo(bool preliminary_capture);
// Retrieves the text from the given frame contents, the page text up to the
// maximum amount kMaxIndexChars will be placed into the given buffer.
void CaptureText(blink::WebFrame* frame, base::string16* contents);
// Determines if a host is in the strict security host set.
bool IsStrictSecurityHost(const std::string& host);
// Checks if a page contains <meta http-equiv="refresh" ...> tag.
bool HasRefreshMetaTag(blink::WebFrame* frame);
// Save the JavaScript to preload if a ViewMsg_WebUIJavaScript is received.
std::vector<base::string16> webui_javascript_;
// Owned by ChromeContentRendererClient and outlive us.
ChromeRenderProcessObserver* chrome_render_process_observer_;
// Have the same lifetime as us.
TranslateHelper* translate_helper_;
safe_browsing::PhishingClassifierDelegate* phishing_classifier_;
// A color page overlay when visually de-emaphasized.
scoped_ptr<WebViewColorOverlay> dimmed_color_overlay_;
// Used to delay calling CapturePageInfo.
base::Timer capture_timer_;
DISALLOW_COPY_AND_ASSIGN(ChromeRenderViewObserver);
};
#endif // CHROME_RENDERER_CHROME_RENDER_VIEW_OBSERVER_H_
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