src/chrome/renderer/extensions/notifications_native_handler.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/renderer/extensions/notifications_native_handler.h"
   6
   7 #include <string>
   8
   9 #include "base/logging.h"
  10 #include "base/values.h"
  11 #include "chrome/common/extensions/api/notifications/notification_style.h"
  12 #include "chrome/renderer/extensions/chrome_v8_context.h"
  13 #include "content/public/renderer/v8_value_converter.h"
  14 #include "ui/base/layout.h"
  15
  16 namespace extensions {
  17
  18 NotificationsNativeHandler::NotificationsNativeHandler(ScriptContext* context)
  19     : ObjectBackedNativeHandler(context) {
  20   RouteFunction(
  21       "GetNotificationImageSizes",
  22       base::Bind(&NotificationsNativeHandler::GetNotificationImageSizes,
  23                  base::Unretained(this)));
  24 }
  25
  26 void NotificationsNativeHandler::GetNotificationImageSizes(
  27     const v8::FunctionCallbackInfo<v8::Value>& args) {
  28   NotificationBitmapSizes bitmap_sizes = GetNotificationBitmapSizes();
  29
  30   float scale_factor =
  31       ui::GetScaleForScaleFactor(ui::GetSupportedScaleFactors().back());
  32
  33   scoped_ptr<base::DictionaryValue> dict(new base::DictionaryValue);
  34   dict->SetDouble("scaleFactor", scale_factor);
  35   dict->SetInteger("icon.width", bitmap_sizes.icon_size.width());
  36   dict->SetInteger("icon.height", bitmap_sizes.icon_size.height());
  37   dict->SetInteger("image.width", bitmap_sizes.image_size.width());
  38   dict->SetInteger("image.height", bitmap_sizes.image_size.height());
  39   dict->SetInteger("buttonIcon.width", bitmap_sizes.button_icon_size.width());
  40   dict->SetInteger("buttonIcon.height", bitmap_sizes.button_icon_size.height());
  41
  42   scoped_ptr<content::V8ValueConverter> converter(
  43       content::V8ValueConverter::create());
  44   args.GetReturnValue().Set(
  45       converter->ToV8Value(dict.get(), context()->v8_context()));
  46 }
  47
  48 }  // namespace extensions