Add source

app/src/main/java/com/hippo/scene/Scene.java

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+/*
+ * Copyright (C) 2014-2015 Hippo Seven
+ *
+ * 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
+ * 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.
+ */
+
+package com.hippo.scene;
+
+import android.view.View;
+import android.widget.FrameLayout;
+
+import com.hippo.util.AssertUtils;
+
+/**
+ * {@link com.hippo.scene.Scene} is a {@code Activity} of {@link android.app.Activity}.
+ * <p>
+ * When start a new {@code Scene}, previous {@code Scene} can stay at screen for
+ * a while.
+ */
+public abstract class Scene {
+
+    private StageActivity mStageActivity;
+    private FrameLayout mStageView;
+    private View mRootViewOfScence;
+
+    void setStageActivity(StageActivity stageActivity) {
+        mStageActivity = stageActivity;
+        mStageView = stageActivity.getStageView();
+    }
+
+    public void setContentView(int layoutResID) {
+        mRootViewOfScence = mStageActivity.getLayoutInflater()
+                .inflate(layoutResID, mStageView, false);
+    }
+
+    public void setContentView(View view) {
+        mRootViewOfScence = view;
+    }
+
+    public View findViewById(int id) {
+        AssertUtils.assertNotNull("Call setContentView before findViewById",
+                mRootViewOfScence);
+
+        return mRootViewOfScence.findViewById(id);
+    }
+
+
+    public void startScene(Class<?> sceneClass) {
+        mStageActivity.pushScene(sceneClass);
+    }
+
+    private void addToStage() {
+
+    }
+
+    void create() {
+        onCreate();
+
+        AssertUtils.assertNotNull("You have to call setContentView in onCreate",
+                mRootViewOfScence);
+
+        mStageActivity.addScenseView(mRootViewOfScence);
+    }
+
+    void pause() {
+        onPause();
+    }
+
+    void resume() {
+        onResume();
+    }
+
+    void destroy() {
+        onDestroy();
+    }
+
+    /**
+     * You have to call setContentView in it.
+     */
+    public abstract void onCreate();
+
+    public abstract void onPause();
+
+    public abstract void onResume();
+
+    public abstract void onDestroy();
+
+    /**
+     * This method should be called to remove when it need to remove
+     */
+    public final void dispatchRemove() {
+        mStageActivity.removeScenseView(mRootViewOfScence);
+    }
+
+    /**
+     * This method should be called to remove when it need to hide
+     */
+    public final void dispatchHide() {
+        mStageActivity.removeScenseView(mRootViewOfScence);
+    }
+
+}