1 files changed, 59 insertions, 0 deletions
diff --git a/app/src/main/java/net/lacolaco/smileessence/view/DialogHelper.kt b/app/src/main/java/net/lacolaco/smileessence/view/DialogHelper.kt
new file mode 100644
index 00000000..c9b4a428
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+++ b/app/src/main/java/net/lacolaco/smileessence/view/DialogHelper.kt
@@ -0,0 +1,59 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2012-2014 lacolaco.net
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package net.lacolaco.smileessence.view
+
+import android.app.Activity
+import net.lacolaco.smileessence.view.dialog.StackableDialogFragment
+
+import java.util.ArrayList
+import java.util.LinkedHashSet
+import java.util.UUID
+
+/**
+ * DialogFragment のタグの一覧を保持し「全てのダイアログを閉じる」機能を提供するヘルパークラス
+ */
+object DialogHelper {
+    private val dialogStack = LinkedHashSet<String>()
+
+    @Synchronized
+    fun closeAll(activity: Activity) {
+        for (tag in ArrayList(dialogStack)) {
+            val dialogFragment = activity.fragmentManager.findFragmentByTag(tag) as StackableDialogFragment?
+            dialogFragment?.dismiss()
+        }
+    }
+
+    @Synchronized
+    fun showDialog(activity: Activity, dialogFragment: StackableDialogFragment): Int {
+        val tag = "stackingDialog:" + dialogFragment.javaClass.simpleName + ":" + UUID.randomUUID()
+        dialogStack.add(tag)
+        return dialogFragment.show(activity.fragmentManager.beginTransaction(), tag)
+    }
+
+    @Synchronized
+    fun unregisterDialog(tag: String) {
+        dialogStack.remove(tag)
+    }
+}