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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 
UserGesturesNativeHandler(ScriptContext * context)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 
IsProcessingUserGesture(const v8::FunctionCallbackInfo<v8::Value> & args)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 
RunWithUserGesture(const v8::FunctionCallbackInfo<v8::Value> & args)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 
RunWithoutUserGesture(const v8::FunctionCallbackInfo<v8::Value> & args)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
53