From 49fbbe905aa5aaf347f202557446750e72a4f027 Mon Sep 17 00:00:00 2001
From: tongchenfei <tongchenfei@zhidaoauto.com>
Date: Mon, 3 Aug 2020 10:49:40 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A7=A3=E5=86=B3=E6=9C=BA=E5=99=A8=E4=B8=8A?=
 =?UTF-8?q?=E6=9C=AA=E8=A3=85=E9=85=B7=E6=88=91=E9=9F=B3=E4=B9=90=E5=AF=BC?=
 =?UTF-8?q?=E8=87=B4=E7=9A=84=E5=B4=A9=E6=BA=83=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../module/media/presenter/NoopPresenter.java | 52 +++++++++++++++++++
 .../media/presenter/PresenterFactory.java     | 45 ++++++++++++++++
 .../module/media/window/MediaWindow2.java     |  6 ++-
 3 files changed, 101 insertions(+), 2 deletions(-)
 create mode 100644 modules/mogo-module-media/src/main/java/com/mogo/module/media/presenter/NoopPresenter.java
 create mode 100644 modules/mogo-module-media/src/main/java/com/mogo/module/media/presenter/PresenterFactory.java

diff --git a/modules/mogo-module-media/src/main/java/com/mogo/module/media/presenter/NoopPresenter.java b/modules/mogo-module-media/src/main/java/com/mogo/module/media/presenter/NoopPresenter.java
new file mode 100644
index 0000000000..4270a87d06
--- /dev/null
+++ b/modules/mogo-module-media/src/main/java/com/mogo/module/media/presenter/NoopPresenter.java
@@ -0,0 +1,52 @@
+package com.mogo.module.media.presenter;
+
+import android.content.Context;
+
+import com.mogo.module.media.model.MediaInfoData;
+import com.mogo.module.media.view.IMusicView;
+
+/**
+ * 空presenter实现，为了减少各种空判断
+ *
+ * @author tongchenfei
+ */
+public class NoopPresenter extends BaseMediaPresenter<IMusicView> {
+    public NoopPresenter(IMusicView view) {
+        super(view);
+    }
+
+    @Override
+    public void init(Context context) {
+
+    }
+
+    @Override
+    public void play(MediaInfoData mediaInfoData) {
+
+    }
+
+    @Override
+    public void pause(MediaInfoData mediaInfoData) {
+
+    }
+
+    @Override
+    public void stop(MediaInfoData mediaInfoData) {
+
+    }
+
+    @Override
+    public void pre() {
+
+    }
+
+    @Override
+    public void next() {
+
+    }
+
+    @Override
+    public void openApp() {
+
+    }
+}
diff --git a/modules/mogo-module-media/src/main/java/com/mogo/module/media/presenter/PresenterFactory.java b/modules/mogo-module-media/src/main/java/com/mogo/module/media/presenter/PresenterFactory.java
new file mode 100644
index 0000000000..c5661387b7
--- /dev/null
+++ b/modules/mogo-module-media/src/main/java/com/mogo/module/media/presenter/PresenterFactory.java
@@ -0,0 +1,45 @@
+package com.mogo.module.media.presenter;
+
+import android.content.Context;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+
+import com.mogo.module.media.view.IMusicView;
+
+import java.util.List;
+
+/**
+ * Presenter简单工厂，根据包名判断选择哪个presenter
+ *
+ * @author tongchenfei
+ */
+public class PresenterFactory {
+    private static final String KW_PKG_NAME = "cn.kuwo.kwmusiccar";
+    private static final String WE_CAR_FLOW_PKG_NAME = "com.tencent.wecarflow";
+
+    /**
+     * 获取泛型是IMusicView的BaseMediaPresenter
+     *
+     * @param context 上下文，用来遍历机器上的包名
+     * @param view    IMusicView，用来做view展示
+     * @return presenter
+     */
+    public static BaseMediaPresenter<IMusicView> createMusicViewPresenter(Context context,
+                                                                          IMusicView view) {
+        BaseMediaPresenter<IMusicView> result = null;
+        PackageManager pkm = context.getPackageManager();
+        List<PackageInfo> pkgInfoList = pkm.getInstalledPackages(0);
+        // 只做了两级优先级判断，比较简单
+        for (PackageInfo pkgInfo : pkgInfoList) {
+            if (pkgInfo.packageName.equals(KW_PKG_NAME)) {
+                result = new KwPresenter(view);
+            } else if (pkgInfo.packageName.equals(WE_CAR_FLOW_PKG_NAME) && result == null) {
+                result = new WeCarFlowPresenter(view);
+            }
+        }
+        if (result == null) {
+            result = new NoopPresenter(view);
+        }
+        return result;
+    }
+}
diff --git a/modules/mogo-module-media/src/main/java/com/mogo/module/media/window/MediaWindow2.java b/modules/mogo-module-media/src/main/java/com/mogo/module/media/window/MediaWindow2.java
index 55eb757511..5991f1ed25 100644
--- a/modules/mogo-module-media/src/main/java/com/mogo/module/media/window/MediaWindow2.java
+++ b/modules/mogo-module-media/src/main/java/com/mogo/module/media/window/MediaWindow2.java
@@ -17,7 +17,9 @@ import com.mogo.module.media.ServiceMediaHandler;
 import com.mogo.module.media.constants.MusicConstant;
 import com.mogo.module.media.listener.NoDoubleClickListener;
 import com.mogo.module.media.model.MediaInfoData;
+import com.mogo.module.media.presenter.BaseMediaPresenter;
 import com.mogo.module.media.presenter.KwPresenter;
+import com.mogo.module.media.presenter.PresenterFactory;
 import com.mogo.module.media.utils.Utils;
 import com.mogo.module.media.view.IMusicView;
 import com.mogo.module.media.widget.AnimCircleImageView;
@@ -41,7 +43,7 @@ public class MediaWindow2 implements IMusicView {
 
     public static final String TAG = MediaWindow2.class.getName();
     private Context mContext;
-    private KwPresenter mPresenter;
+    private BaseMediaPresenter<IMusicView> mPresenter;
 
     private MediaInfoData mMediaInfoData = new MediaInfoData();
 
@@ -60,7 +62,7 @@ public class MediaWindow2 implements IMusicView {
 
     public void initMedia(Context context) {
         mContext = context;
-        mPresenter = new KwPresenter(this);
+        mPresenter = PresenterFactory.createMusicViewPresenter(context, this);
         mPresenter.init(context);
 
         if(DebugConfig.isLauncher()) {