src/extensions/renderer/user_gestures_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 "extensions/renderer/user_gestures_native_handler.h"
   6
   7 #include "base/bind.h"
   8 #include "extensions/renderer/script_context.h"
   9 #include "third_party/WebKit/public/web/WebScopedUserGesture.h"
  10 #include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
  11
  12 namespace extensions {
  13
  14 UserGesturesNativeHandler::UserGesturesNativeHandler(ScriptContext* context)
  15     : ObjectBackedNativeHandler(context) {
  16   RouteFunction("IsProcessingUserGesture",
  17                 base::Bind(&UserGesturesNativeHandler::IsProcessingUserGesture,
  18                            base::Unretained(this)));
  19   RouteFunction("RunWithUserGesture",
  20                 base::Bind(&UserGesturesNativeHandler::RunWithUserGesture,
  21                            base::Unretained(this)));
  22   RouteFunction("RunWithoutUserGesture",
  23                 base::Bind(&UserGesturesNativeHandler::RunWithoutUserGesture,
  24                            base::Unretained(this)));
  25 }
  26
  27 void UserGesturesNativeHandler::IsProcessingUserGesture(
  28     const v8::FunctionCallbackInfo<v8::Value>& args) {
  29   args.GetReturnValue().Set(v8::Boolean::New(
  30       args.GetIsolate(),
  31       blink::WebUserGestureIndicator::isProcessingUserGesture()));
  32 }
  33
  34 void UserGesturesNativeHandler::RunWithUserGesture(
  35     const v8::FunctionCallbackInfo<v8::Value>& args) {
  36   blink::WebScopedUserGesture user_gesture;
  37   CHECK_EQ(args.Length(), 1);
  38   CHECK(args[0]->IsFunction());
  39   v8::Handle<v8::Value> no_args;
  40   context()->CallFunction(v8::Handle<v8::Function>::Cast(args[0]), 0, &no_args);
  41 }
  42
  43 void UserGesturesNativeHandler::RunWithoutUserGesture(
  44     const v8::FunctionCallbackInfo<v8::Value>& args) {
  45   blink::WebUserGestureIndicator::consumeUserGesture();
  46   CHECK_EQ(args.Length(), 1);
  47   CHECK(args[0]->IsFunction());
  48   v8::Handle<v8::Value> no_args;
  49   context()->CallFunction(v8::Handle<v8::Function>::Cast(args[0]), 0, &no_args);
  50 }
  51
  52 }  // namespace extensions