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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 CONTENT_BROWSER_DEVTOOLS_PROTOCOL_BROWSER_HANDLER_H_
#define CONTENT_BROWSER_DEVTOOLS_PROTOCOL_BROWSER_HANDLER_H_
#include <map>
#include "base/containers/flat_set.h"
#include "base/memory/raw_ptr.h"
#include "base/metrics/histogram.h"
#include "components/download/public/common/download_item.h"
#include "content/browser/devtools/protocol/browser.h"
#include "content/browser/devtools/protocol/devtools_domain_handler.h"
namespace content {
class BrowserContext;
class FrameTreeNode;
namespace protocol {
class BrowserHandler : public DevToolsDomainHandler,
public Browser::Backend,
public download::DownloadItem::Observer {
public:
explicit BrowserHandler(bool allow_set_download_behavior);
BrowserHandler(const BrowserHandler&) = delete;
BrowserHandler& operator=(const BrowserHandler&) = delete;
~BrowserHandler() override;
static Response FindBrowserContext(
const std::optional<std::string>& browser_context_id,
BrowserContext** browser_context);
static std::vector<BrowserHandler*> ForAgentHost(DevToolsAgentHostImpl* host);
void Wire(UberDispatcher* dispatcher) override;
Response Disable() override;
// Protocol methods.
Response GetVersion(std::string* protocol_version,
std::string* product,
std::string* revision,
std::string* user_agent,
std::string* js_version) override;
Response GetHistograms(
std::optional<std::string> in_query,
std::optional<bool> in_delta,
std::unique_ptr<Array<Browser::Histogram>>* histograms) override;
Response GetHistogram(
const std::string& in_name,
std::optional<bool> in_delta,
std::unique_ptr<Browser::Histogram>* out_histogram) override;
Response GetBrowserCommandLine(
std::unique_ptr<protocol::Array<std::string>>* arguments) override;
Response SetPermission(
std::unique_ptr<protocol::Browser::PermissionDescriptor> permission,
const protocol::Browser::PermissionSetting& setting,
std::optional<std::string> origin,
std::optional<std::string> browser_context_id) override;
Response GrantPermissions(
std::unique_ptr<protocol::Array<protocol::Browser::PermissionType>>
permissions,
std::optional<std::string> origin,
std::optional<std::string> browser_context_id) override;
Response ResetPermissions(
std::optional<std::string> browser_context_id) override;
Response SetDownloadBehavior(const std::string& behavior,
std::optional<std::string> browser_context_id,
std::optional<std::string> download_path,
std::optional<bool> events_enabled) override;
Response DoSetDownloadBehavior(const std::string& behavior,
BrowserContext* browser_context,
std::optional<std::string> download_path);
Response CancelDownload(
const std::string& guid,
std::optional<std::string> browser_context_id) override;
Response Crash() override;
Response CrashGpuProcess() override;
void AddPrivacySandboxCoordinatorKeyConfig(
const std::string& in_api,
const std::string& in_coordinator_origin,
const std::string& in_key_config,
std::optional<std::string> browser_context_id,
std::unique_ptr<AddPrivacySandboxCoordinatorKeyConfigCallback> callback)
override;
// DownloadItem::Observer overrides
void OnDownloadUpdated(download::DownloadItem* item) override;
void OnDownloadDestroyed(download::DownloadItem* item) override;
void DownloadWillBegin(FrameTreeNode* ftn, download::DownloadItem* item);
private:
void SetDownloadEventsEnabled(bool enabled);
// Retrieves the data for the given histogram, returning it in the converted
// format. If `get_delta` is true, returns the only the new data since the
// last `get_delta` true call for the given histogram, or all data if it's
// the first such call.
std::unique_ptr<Browser::Histogram> GetHistogramData(
const base::HistogramBase& histogram,
bool get_delta);
std::unique_ptr<Browser::Frontend> frontend_;
base::flat_set<std::string> contexts_with_overridden_permissions_;
base::flat_set<std::string> contexts_with_overridden_downloads_;
bool download_events_enabled_;
const bool allow_set_download_behavior_;
base::flat_set<raw_ptr<download::DownloadItem, CtnExperimental>>
pending_downloads_;
// Stores past histogram snapshots for producing histogram deltas.
std::map<std::string, std::unique_ptr<base::HistogramSamples>, std::less<>>
histograms_snapshots_;
};
} // namespace protocol
} // namespace content
#endif // CONTENT_BROWSER_DEVTOOLS_PROTOCOL_BROWSER_HANDLER_H_
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