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// Copyright 2015 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_EMULATION_HANDLER_H_
#define CONTENT_BROWSER_DEVTOOLS_PROTOCOL_EMULATION_HANDLER_H_
#include <memory>
#include "base/containers/flat_map.h"
#include "base/memory/raw_ptr.h"
#include "content/browser/devtools/protocol/devtools_domain_handler.h"
#include "content/browser/devtools/protocol/emulation.h"
#include "content/browser/devtools/protocol/protocol.h"
#include "services/device/public/cpp/compute_pressure/buildflags.h"
#include "services/device/public/mojom/pressure_update.mojom-shared.h"
#include "services/device/public/mojom/sensor.mojom-shared.h"
#include "services/device/public/mojom/sensor_provider.mojom-shared.h"
#include "third_party/blink/public/common/user_agent/user_agent_metadata.h"
#include "third_party/blink/public/common/widget/device_emulation_params.h"
namespace net {
class HttpRequestHeaders;
} // namespace net
namespace download {
class DownloadUrlParameters;
} // namespace download
namespace content {
class DevToolsAgentHostImpl;
class RenderFrameHostImpl;
class RenderWidgetHostImpl;
class ScopedVirtualSensorForDevTools;
class ScopedVirtualPressureSourceForDevTools;
class WebContentsImpl;
namespace protocol {
class EmulationHandler : public DevToolsDomainHandler,
public Emulation::Backend {
public:
EmulationHandler();
EmulationHandler(const EmulationHandler&) = delete;
EmulationHandler& operator=(const EmulationHandler&) = delete;
~EmulationHandler() override;
static std::vector<EmulationHandler*> ForAgentHost(
DevToolsAgentHostImpl* host);
void Wire(UberDispatcher* dispatcher) override;
void SetRenderer(int process_host_id,
RenderFrameHostImpl* frame_host) override;
Response Disable() override;
void GetOverriddenSensorInformation(
const Emulation::SensorType& type,
std::unique_ptr<GetOverriddenSensorInformationCallback>) override;
Response SetSensorOverrideEnabled(
bool enabled,
const Emulation::SensorType& type,
std::unique_ptr<Emulation::SensorMetadata> metadata) override;
void SetSensorOverrideReadings(
const Emulation::SensorType& type,
std::unique_ptr<Emulation::SensorReading> reading,
std::unique_ptr<SetSensorOverrideReadingsCallback>) override;
Response SetIdleOverride(bool is_user_active,
bool is_screen_unlocked) override;
Response ClearIdleOverride() override;
Response SetGeolocationOverride(std::optional<double> latitude,
std::optional<double> longitude,
std::optional<double> accuracy,
std::optional<double> altitude,
std::optional<double> altitude_accuracy,
std::optional<double> heading,
std::optional<double> speed
) override;
Response ClearGeolocationOverride() override;
Response SetEmitTouchEventsForMouse(
bool enabled,
std::optional<std::string> configuration) override;
Response SetUserAgentOverride(const std::string& user_agent,
std::optional<std::string> accept_language,
std::optional<std::string> platform,
std::unique_ptr<Emulation::UserAgentMetadata>
ua_metadata_override) override;
Response CanEmulate(bool* result) override;
Response SetDeviceMetricsOverride(
int width,
int height,
double device_scale_factor,
bool mobile,
std::optional<double> scale,
std::optional<int> screen_widget,
std::optional<int> screen_height,
std::optional<int> position_x,
std::optional<int> position_y,
std::optional<bool> dont_set_visible_size,
std::unique_ptr<Emulation::ScreenOrientation> screen_orientation,
std::unique_ptr<protocol::Page::Viewport> viewport,
std::unique_ptr<protocol::Emulation::DisplayFeature> display_feature,
std::unique_ptr<protocol::Emulation::DevicePosture> device_posture)
override;
Response ClearDeviceMetricsOverride() override;
Response SetVisibleSize(int width, int height) override;
Response SetFocusEmulationEnabled(bool) override;
Response SetEmulatedMedia(
std::optional<std::string> media,
std::unique_ptr<protocol::Array<protocol::Emulation::MediaFeature>>
features) override;
blink::DeviceEmulationParams GetDeviceEmulationParams();
void SetDeviceEmulationParams(const blink::DeviceEmulationParams& params);
bool device_emulation_enabled() { return device_emulation_enabled_; }
// Applies the network request header overrides on `headers`. If the
// User-Agent header was overridden, `user_agent_overridden` is set to true;
// otherwise, it's set to false. If the Accept-Language header was overridden,
// `accept_language_overridden` is set to true; otherwise, it's set to false.
void ApplyOverrides(net::HttpRequestHeaders* headers,
bool* user_agent_overridden,
bool* accept_language_overridden);
bool ApplyUserAgentMetadataOverrides(
std::optional<blink::UserAgentMetadata>* override_out);
void ApplyNetworkOverridesForDownload(
download::DownloadUrlParameters* parameters);
private:
WebContentsImpl* GetWebContents();
void UpdateTouchEventEmulationState();
void UpdateDeviceEmulationState();
void UpdateDeviceEmulationStateForHost(
RenderWidgetHostImpl* render_widget_host);
Response SetDevicePostureOverride(
std::unique_ptr<protocol::Emulation::DevicePosture> posture) override;
Response ClearDevicePostureOverride() override;
Response SetDisplayFeaturesOverride(
std::unique_ptr<protocol::Array<protocol::Emulation::DisplayFeature>>
features) override;
Response ClearDisplayFeaturesOverride() override;
Response SetPressureSourceOverrideEnabled(
bool enabled,
const Emulation::PressureSource& source,
std::unique_ptr<Emulation::PressureMetadata> metadata) override;
// TODO: Remove obsolete method.
// `SetPressureStateOverride` will be replaced by SetPressureDataOverride.
// The method UpdateVirtualPressureSourceState called previously
// was removed in //content.
void SetPressureStateOverride(
const Emulation::PressureSource& source,
const Emulation::PressureState& state,
std::unique_ptr<SetPressureStateOverrideCallback>) override;
void SetPressureDataOverride(
const Emulation::PressureSource& source,
const Emulation::PressureState& state,
std::optional<double> own_contribution_estimate,
std::unique_ptr<SetPressureDataOverrideCallback>) override;
bool touch_emulation_enabled_;
std::string touch_emulation_configuration_;
bool device_emulation_enabled_;
bool focus_emulation_enabled_;
blink::DeviceEmulationParams device_emulation_params_;
std::string user_agent_;
// |user_agent_metadata_| is meaningful if |user_agent_| is non-empty.
// In that case nullopt will disable sending of client hints, and a
// non-nullopt value will be sent.
std::optional<blink::UserAgentMetadata> user_agent_metadata_;
std::string accept_language_;
// If |prefers_color_scheme_| is either "light" or "dark", it is used to
// override the "prefers-color-scheme" client hint header, when present.
std::string prefers_color_scheme_;
// If |prefers_reduced_motion_| is "reduce", it is used to override the
// "prefers-reduced-motion" client hint header, when present.
std::string prefers_reduced_motion_;
// If |prefers_reduced_transparency_| is "reduce", it is used to override the
// "prefers-reduced-transparency" client hint header, when present.
std::string prefers_reduced_transparency_;
base::flat_map<device::mojom::SensorType,
std::unique_ptr<ScopedVirtualSensorForDevTools>>
sensor_overrides_;
#if BUILDFLAG(ENABLE_COMPUTE_PRESSURE)
base::flat_map<device::mojom::PressureSource,
std::unique_ptr<ScopedVirtualPressureSourceForDevTools>>
pressure_overrides_;
#endif // BUILDFLAG(ENABLE_COMPUTE_PRESSURE)
// True when SetDevicePostureOverride() has been called.
bool device_posture_emulation_enabled_ = false;
raw_ptr<RenderFrameHostImpl> host_;
base::ScopedClosureRunner capture_handle_;
};
} // namespace protocol
} // namespace content
#endif // CONTENT_BROWSER_DEVTOOLS_PROTOCOL_EMULATION_HANDLER_H_
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