MediaSettingsRange: s/long/double/ in MediaSettingsRange.idl and PhotoCapabilities.idl

media/mojo/interfaces/image_capture.mojom

 // Copyright 2016 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 media.mojom;
 
 // Equivalent to idl MediaSettingsRange, arbitrary range representing the
 // allowed variations of a Capability or an Option.
 // https://www.w3.org/TR/image-capture/#MediaSettingsRange
 struct Range {
-  int32 max;
-  int32 min;
-  int32 current;
-  int32 step;
+  double max;
+  double min;
+  double current;
+  double step;
 };
 
 // https://www.w3.org/TR/image-capture/#MeteringMode
 enum MeteringMode { NONE, MANUAL, SINGLE_SHOT, CONTINUOUS };
 
 // https://www.w3.org/TR/image-capture/#FillLightMode
 enum FillLightMode { NONE, OFF, AUTO, FLASH, TORCH };
 
 // Equivalent to idl PhotoCapabilities,
 // https://www.w3.org/TR/image-capture/#PhotoCapabilities
@@ skipping 23 matching lines @@
   float y;
 };
 
 // Equivalent to idl PhotoSettings,
 // https://www.w3.org/TR/image-capture/#PhotoSettings
 struct PhotoSettings {
   // uint32 cannot be nullable, i.e. uint32? does not work, use instead a flag.
   bool has_white_balance_mode;
   MeteringMode white_balance_mode;
   bool has_color_temperature;
-  uint32 color_temperature;
+  double color_temperature;
   bool has_exposure_mode;
   MeteringMode exposure_mode;
   bool has_exposure_compensation;
-  uint32 exposure_compensation;
+  double exposure_compensation;
   bool has_iso;
-  uint32 iso;
+  double iso;
   bool has_red_eye_reduction;
   bool red_eye_reduction;
   bool has_focus_mode;
   MeteringMode focus_mode;
   array<Point2D> points_of_interest;
 
   bool has_brightness;
-  uint32 brightness;
+  double brightness;
   bool has_contrast;
-  uint32 contrast;
+  double contrast;
   bool has_saturation;
-  uint32 saturation;
+  double saturation;
   bool has_sharpness;
-  uint32 sharpness;
+  double sharpness;
   bool has_zoom;
-  uint32 zoom;
+  double zoom;
   bool has_width;
-  uint32 width;
+  double width;
   bool has_height;
-  uint32 height;
+  double height;
   bool has_fill_light_mode;
   FillLightMode fill_light_mode;
 };
 
 // This is a mojo move-only equivalent of a Blob, i.e. MIME type and Data.
 struct Blob {
   string mime_type;
   array<uint8> data;
 };
 
 // |source_id| is the renderer-side UUID identifier of the image capture device.
 interface ImageCapture
 {
     // Retrieves the image capture device capabilities and current settings.
     // https://www.w3.org/TR/image-capture/#dom-imagecapture-getphotocapabilities
     GetCapabilities(string source_id)
         => (PhotoCapabilities capabilities);
 
     // Sets the |settings| on the associated video capture device.
     // https://www.w3.org/TR/image-capture/#dom-imagecapture-setoptions
     SetOptions(string source_id, PhotoSettings settings)
         => (bool success);
 
     // Takes a Photo from the given |source_id|, returning it encoded in |blob|
     // with the format specified in its |mime_type|.
     // https://www.w3.org/TR/image-capture/#dom-imagecapture-takephoto
     TakePhoto(string source_id)
         => (Blob blob);
 };