Trebuchet: make workspace layout configurable by prebundled mcc

issue-id: PAELLA-42
Change-Id: Ice4f73ee6ebaa55e27c07a02f1cc5b989f91c59a

3 files changed, 100 insertions, 3 deletions

diff --git a/res/values/cm_strings.xml b/res/values/cm_strings.xml
index c15a813e8..6fbde6a11 100644
--- a/res/values/cm_strings.xml
+++ b/res/values/cm_strings.xml
@@ -48,6 +48,7 @@
     <!-- Folder titles -->
     <string name="google_title" translatable="false">Google</string>
     <string name="play_folder_title">Play</string>
+    <string name="partner_title" translatable="false"></string>
 
     <!-- Scroll effect -->
     <string name="scroll_effect_text">Scroll effect</string>
diff --git a/src/com/android/launcher3/LauncherAppState.java b/src/com/android/launcher3/LauncherAppState.java
index a207f1e2c..1d75dfa6e 100644
--- a/src/com/android/launcher3/LauncherAppState.java
+++ b/src/com/android/launcher3/LauncherAppState.java
@@ -27,6 +27,11 @@ import android.content.res.Resources;
 import android.database.ContentObserver;
 import android.os.Handler;
 import android.util.Log;
+import android.content.pm.PackageManager;
+import android.content.res.AssetManager;
+import android.os.SystemProperties;
+import android.text.TextUtils;
+import android.util.DisplayMetrics;
 
 import com.android.launcher3.compat.LauncherAppsCompat;
 import com.android.launcher3.compat.PackageInstallerCompat.PackageInstallInfo;
@@ -40,6 +45,8 @@ public class LauncherAppState implements DeviceProfile.DeviceProfileCallbacks {
 
     private static final boolean DEBUG = false;
 
+    private static final String MCC_PROP_NAME = "ro.prebundled.mcc";
+
     private final AppFilter mAppFilter;
     private final BuildInfo mBuildInfo;
     private LauncherModel mModel;
@@ -200,15 +207,52 @@ public class LauncherAppState implements DeviceProfile.DeviceProfileCallbacks {
                                   int width, int height,
                                   int availableWidth, int availableHeight) {
 
+        Resources resources = context.getResources();
+        String mcc = SystemProperties.get(MCC_PROP_NAME);
+        if (!TextUtils.isEmpty(mcc)) {
+            Log.d(TAG, "mcc not empty: " + mcc);
+
+            Configuration tempConfiguration = new Configuration(resources.getConfiguration());
+            boolean shouldUseTempConfig = false;
+
+            try {
+                tempConfiguration.mcc = Integer.parseInt(mcc);
+                shouldUseTempConfig = true;
+            } catch (NumberFormatException e) {
+                // not able to parse mcc, catch exception and exit out of this logic
+                e.printStackTrace();
+            }
+
+            if (shouldUseTempConfig) {
+                String publicSrcDir = null;
+                try {
+                    String packageName = sContext.getPackageName();
+                    publicSrcDir = sContext.getPackageManager().getApplicationInfo(packageName,
+                            0).publicSourceDir;
+                } catch (PackageManager.NameNotFoundException e) {
+                    e.printStackTrace();
+                }
+
+                AssetManager assetManager = new AssetManager();
+                if (!TextUtils.isEmpty(publicSrcDir)) {
+                    assetManager.addAssetPath(publicSrcDir);
+                }
+
+                resources = new Resources(assetManager, new DisplayMetrics(),
+                        tempConfiguration);
+            }
+        }
+
+
         mDynamicGrid = new DynamicGrid(context,
-                context.getResources(),
+                resources,
                 minWidth, minHeight, width, height,
                 availableWidth, availableHeight);
         mDynamicGrid.getDeviceProfile().addCallback(this);
 
         // Update the icon size
         DeviceProfile grid = mDynamicGrid.getDeviceProfile();
-        grid.updateFromConfiguration(context, context.getResources(), width, height,
+        grid.updateFromConfiguration(context, resources, width, height,
                 availableWidth, availableHeight);
         return grid;
     }
diff --git a/src/com/android/launcher3/LauncherProvider.java b/src/com/android/launcher3/LauncherProvider.java
index f1b7d337c..4a9da6ba9 100644
--- a/src/com/android/launcher3/LauncherProvider.java
+++ b/src/com/android/launcher3/LauncherProvider.java
@@ -35,6 +35,9 @@ import android.content.pm.ActivityInfo;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
+import android.content.pm.PackageManager;
+import android.content.res.AssetManager;
+import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.content.res.XmlResourceParser;
 import android.database.Cursor;
@@ -47,8 +50,10 @@ import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.net.Uri;
 import android.os.Bundle;
+import android.os.SystemProperties;
 import android.provider.Settings;
 import android.text.TextUtils;
+import android.util.DisplayMetrics;
 import android.util.Log;
 import android.util.SparseArray;
 
@@ -106,6 +111,8 @@ public class LauncherProvider extends ContentProvider {
     static final Uri CONTENT_APPWIDGET_RESET_URI =
             Uri.parse("content://" + AUTHORITY + "/appWidgetReset");
 
+    private static final String MCC_PROP_NAME = "ro.prebundled.mcc";
+
     private DatabaseHelper mOpenHelper;
     private static boolean sJustLoadedFromOldDb;
 
@@ -325,11 +332,56 @@ public class LauncherProvider extends ContentProvider {
         SharedPreferences sp = getContext().getSharedPreferences(spKey, Context.MODE_PRIVATE);
 
         if (sp.getBoolean(EMPTY_DATABASE_CREATED, false)) {
-            Log.d(TAG, "loading default workspace");
+            if (LOGD) Log.d(TAG, "loading default workspace");
 
             WorkspaceLoader loader = AutoInstallsLayout.get(getContext(),
                     mOpenHelper.mAppWidgetHost, mOpenHelper);
 
+            String mcc = SystemProperties.get(MCC_PROP_NAME);
+
+            if (!TextUtils.isEmpty(mcc)) {
+                if (LOGD) Log.d(TAG, "mcc: " + mcc);
+
+                Configuration tempConfiguration = new Configuration(getContext().getResources().
+                        getConfiguration());
+                boolean shouldUseTempConfig = false;
+
+                try {
+                    tempConfiguration.mcc = Integer.parseInt(mcc);
+                    shouldUseTempConfig = true;
+                } catch (NumberFormatException e) {
+                    // not able to parse mcc, catch exception and exit out of this logic
+                    e.printStackTrace();
+                }
+
+                if (shouldUseTempConfig) {
+                    String publicSrcDir = null;
+                    try {
+                        String packageName = getContext().getPackageName();
+                        publicSrcDir = getContext().getPackageManager().
+                                getApplicationInfo(packageName, 0).publicSourceDir;
+                    } catch (PackageManager.NameNotFoundException e) {
+                        e.printStackTrace();
+                    }
+
+                    AssetManager assetManager = new AssetManager();
+                    if (!TextUtils.isEmpty(publicSrcDir)) {
+                        assetManager.addAssetPath(publicSrcDir);
+                    }
+                    Resources customResources = new Resources(assetManager, new DisplayMetrics(),
+                            tempConfiguration);
+
+                    int mccLayout = LauncherAppState.getInstance()
+                            .getDynamicGrid().getDeviceProfile().defaultLayoutId;
+
+                    if (mccLayout != 0) {
+                        if (LOGD) Log.d(TAG, "mcc layout id: " + mccLayout);
+
+                        loader = new SimpleWorkspaceLoader(mOpenHelper, customResources, mccLayout);
+                    }
+                }
+            }
+
             if (loader == null) {
                 final Partner partner = Partner.get(getContext().getPackageManager());
                 if (partner != null && partner.hasDefaultLayout()) {