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// Copyright 2017 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.
module ui.ozone.mojom;
import "mojo/public/mojom/base/file.mojom";
import "mojo/public/mojom/base/file_path.mojom";
import "ui/display/mojom/display_configuration_params.mojom";
import "ui/display/mojom/display_constants.mojom";
import "ui/display/mojom/display_mode.mojom";
import "ui/display/mojom/display_snapshot.mojom";
import "ui/display/mojom/gamma_ramp_rgb_entry.mojom";
import "ui/gfx/geometry/mojom/geometry.mojom";
import "ui/gfx/mojom/accelerated_widget.mojom";
import "ui/ozone/platform/drm/mojom/device_cursor.mojom";
// The viz process on CrOS implements the DrmDevice
// service to let the viz host and clients manage DRM displays.
// All functions in DrmDevice are implemented by the lower privilege viz
// process.
interface DrmDevice {
// Creates scanout capable DRM buffers to back |widget|. |initial_bounds| is
// used to calculate the initial size of the DRM bufffer backing |widget| and
// it can be modified later by calling SetWindowBounds().
CreateWindow(gfx.mojom.AcceleratedWidget widget,
gfx.mojom.Rect initial_bounds);
// Destroys the DRM buffers backing |widget|.
DestroyWindow(gfx.mojom.AcceleratedWidget widget);
// Sets the size of the DRM buffer for |widget|.
SetWindowBounds(gfx.mojom.AcceleratedWidget widget, gfx.mojom.Rect bounds);
// Takes control of the display and invoke a provided callback with a boolean
// status.
TakeDisplayControl() => (bool success);
// Releases control of the display and invoke a provided callback with a
// boolean status.
RelinquishDisplayControl() => (bool success);
// Requests a callback providing a list of the available displays.
RefreshNativeDisplays() =>
(array<display.mojom.DisplaySnapshot> display_snapshots);
// Transfers ownership of a DRM device to the GPU process.
AddGraphicsDevice(mojo_base.mojom.FilePath path,
mojo_base.mojom.File file);
// Instructs the GPU to abandon a DRM device.
RemoveGraphicsDevice(mojo_base.mojom.FilePath path);
// Asks whether or not an incoming udev change event is blocked.
// |event_props| is a map of a display UDEV event's property name and its
// value. The list of a UDEV event's properties can be seen when running
// $ udevadm monitor --property on a DUT.
ShouldDisplayEventTriggerConfiguration(map<string, string> event_props) =>
(bool should_trigger);
// Configures (Enables/Disables) DRM displays, returns whether or not the
// configuration was successful.
ConfigureNativeDisplays(
array<display.mojom.DisplayConfigurationParams> config_requests) =>
(bool config_success);
// Gets high-definition content protection (HDCP) (DRM as in
// digital rights management) state.
GetHDCPState(int64 display_id) =>
(int64 display_id, bool success, display.mojom.HDCPState state,
display.mojom.ContentProtectionMethod protection_method);
// Sets high-definition content protection (HDCP) (DRM as in
// digital rights management) state.
SetHDCPState(int64 display_id, display.mojom.HDCPState state,
display.mojom.ContentProtectionMethod protection_method) =>
(int64 display_id, bool success);
// Sets a 3x3 color transform matrix on the display hardware.
// TODO: Consider using a different type for the color matrix.
// https://crbug.com/846975.
SetColorMatrix(int64 display_id, array<float, 9> color_matrix);
// Sets a color correction gamma lookup table.
SetGammaCorrection(int64 display_id,
array<display.mojom.GammaRampRGBEntry> degamma_lut,
array<display.mojom.GammaRampRGBEntry> gamma_lut);
// Sets the state of the privacy screen feature, returns whether or not the
// configuration was successful.
SetPrivacyScreen(int64 display_id, bool enabled) => (bool success);
// Provides a DeviceCursor interface. The provided interface needs to be
// associated because the AcceleratedWidgets referenced by its methods are
// registered via CreateWindow() in this interface.
GetDeviceCursor(pending_associated_receiver<DeviceCursor> cursor);
};
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