From b51f4d5312d46adc4ef417dd8f7241859f368d0e Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Thu, 5 Oct 2017 02:41:18 +0900
Subject: [PATCH] graphics: Refactoring: Use web package

---
 graphicscontext.go       |  8 ++++++++
 graphicscontext_js.go    | 21 ---------------------
 graphicscontext_notjs.go | 21 ---------------------
 3 files changed, 8 insertions(+), 42 deletions(-)
 delete mode 100644 graphicscontext_js.go
 delete mode 100644 graphicscontext_notjs.go

diff --git a/graphicscontext.go b/graphicscontext.go
index e93af6875..ef7c26de1 100644
--- a/graphicscontext.go
+++ b/graphicscontext.go
@@ -19,6 +19,7 @@ import (
 
 	"github.com/hajimehoshi/ebiten/internal/restorable"
 	"github.com/hajimehoshi/ebiten/internal/ui"
+	"github.com/hajimehoshi/ebiten/internal/web"
 )
 
 func newGraphicsContext(f func(*Image) error) *graphicsContext {
@@ -119,6 +120,13 @@ func (c *graphicsContext) Update(updateCount int) error {
 	return nil
 }
 
+func (c *graphicsContext) needsRestoring() (bool, error) {
+	if web.IsBrowser() {
+		return c.invalidated, nil
+	}
+	return c.offscreen.restorable.IsInvalidated()
+}
+
 func (c *graphicsContext) restoreIfNeeded() error {
 	if !restorable.IsRestoringEnabled() {
 		return nil
diff --git a/graphicscontext_js.go b/graphicscontext_js.go
deleted file mode 100644
index b0b9a204e..000000000
--- a/graphicscontext_js.go
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright 2017 The Ebiten Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// +build js
-
-package ebiten
-
-func (c *graphicsContext) needsRestoring() (bool, error) {
-	return c.invalidated, nil
-}
diff --git a/graphicscontext_notjs.go b/graphicscontext_notjs.go
deleted file mode 100644
index aa6addd3a..000000000
--- a/graphicscontext_notjs.go
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright 2017 The Ebiten Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// +build !js
-
-package ebiten
-
-func (c *graphicsContext) needsRestoring() (bool, error) {
-	return c.offscreen.restorable.IsInvalidated()
-}