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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_CONTENT_SETTINGS_MIXED_CONTENT_SETTINGS_TAB_HELPER_H_
#define CHROME_BROWSER_CONTENT_SETTINGS_MIXED_CONTENT_SETTINGS_TAB_HELPER_H_
#include <map>
#include <memory>
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_contents_user_data.h"
// Controls mixed content related settings for the associated WebContents,
// working as the browser version of the mixed content state kept by
// ContentSettingsObserver in the renderer.
class MixedContentSettingsTabHelper
: public content::WebContentsObserver,
public content::WebContentsUserData<MixedContentSettingsTabHelper> {
public:
MixedContentSettingsTabHelper(const MixedContentSettingsTabHelper&) = delete;
MixedContentSettingsTabHelper& operator=(
const MixedContentSettingsTabHelper&) = delete;
~MixedContentSettingsTabHelper() override;
// Enables running active mixed content resources in the associated
// WebContents/tab. This will stick around as long as the main frame's
// SiteInstance stays the same. When the SiteInstance changes, we're back to
// the default (mixed content resources are not allowed to run). See also the
// `SiteSettings` class below.
void AllowRunningOfInsecureContent(
content::RenderFrameHost& render_frame_host);
bool IsRunningInsecureContentAllowed(
content::RenderFrameHost& render_frame_host);
private:
friend class content::WebContentsUserData<MixedContentSettingsTabHelper>;
explicit MixedContentSettingsTabHelper(content::WebContents* tab);
// content::WebContentsObserver
void RenderFrameCreated(content::RenderFrameHost* render_frame_host) override;
void RenderFrameDeleted(content::RenderFrameHost* render_frame_host) override;
// The SiteSettings is shared between all RenderFrameHosts that uses the
// `render_frame_host`'s SiteInstance, and the SiteSettings will remain in the
// `settings_` map as long as it is still used by at least 1 RenderFrame.
class SiteSettings {
public:
explicit SiteSettings(content::RenderFrameHost* render_frame_host);
SiteSettings(const SiteSettings&) = delete;
void operator=(const SiteSettings&) = delete;
void AllowRunningOfInsecureContent();
bool is_running_insecure_content_allowed() const {
return is_running_insecure_content_allowed_;
}
void IncrementRenderFrameCount();
void DecrementRenderFrameCount();
bool render_frame_count() const { return render_frame_count_; }
private:
int render_frame_count_ = 0;
bool is_running_insecure_content_allowed_ = false;
};
std::map<raw_ptr<content::SiteInstance>, std::unique_ptr<SiteSettings>>
settings_;
WEB_CONTENTS_USER_DATA_KEY_DECL();
};
#endif // CHROME_BROWSER_CONTENT_SETTINGS_MIXED_CONTENT_SETTINGS_TAB_HELPER_H_
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