Make some changes for transparent system bars

-Move transparent bars from just GEL to Launcher3
-When wallpaper strip animates, render it under the nav bar
-Disable rotation of wallpaper picker on phones

Bug: 10814785
Bug: 10852650
Bug: 10852554

Change-Id: I9efeccbc4ad1933689266a5dede201ccfd34acf4

7 files changed, 142 insertions, 40 deletions

diff --git a/src/com/android/launcher3/CropView.java b/src/com/android/launcher3/CropView.java
index c4d1475c6..f68f739d7 100644
--- a/src/com/android/launcher3/CropView.java
+++ b/src/com/android/launcher3/CropView.java
@@ -22,8 +22,8 @@ import android.graphics.RectF;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
 import android.view.ScaleGestureDetector;
-import android.view.ViewConfiguration;
 import android.view.ScaleGestureDetector.OnScaleGestureListener;
+import android.view.ViewConfiguration;
 import android.view.ViewTreeObserver;
 import android.view.ViewTreeObserver.OnGlobalLayoutListener;
 
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 7ae429dae..c131aac47 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -88,7 +88,6 @@ import android.view.ViewTreeObserver.OnGlobalLayoutListener;
 import android.view.WindowManager;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.animation.AccelerateDecelerateInterpolator;
-import android.view.animation.AccelerateInterpolator;
 import android.view.animation.DecelerateInterpolator;
 import android.view.inputmethod.InputMethodManager;
 import android.widget.Advanceable;
@@ -103,12 +102,9 @@ import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.File;
 import java.io.FileDescriptor;
-import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
 import java.io.PrintWriter;
 import java.text.DateFormat;
 import java.util.ArrayList;
@@ -330,6 +326,8 @@ public class Launcher extends Activity
 
     private BubbleTextView mWaitingForResume;
 
+    protected TransparentBars mTransparentBars;
+
     private HideFromAccessibilityHelper mHideFromAccessibilityHelper
         = new HideFromAccessibilityHelper();
 
@@ -344,7 +342,7 @@ public class Launcher extends Activity
     private static ArrayList<PendingAddArguments> sPendingAddList
             = new ArrayList<PendingAddArguments>();
 
-    private static boolean sForceEnableRotation = isPropertyEnabled(FORCE_ENABLE_ROTATION_PROPERTY);
+    public static boolean sForceEnableRotation = isPropertyEnabled(FORCE_ENABLE_ROTATION_PROPERTY);
 
     private static class PendingAddArguments {
         int requestCode;
@@ -425,6 +423,10 @@ public class Launcher extends Activity
 
         checkForLocaleChange();
         setContentView(R.layout.launcher);
+
+        mTransparentBars = new TransparentBars(findViewById(R.id.launcher));
+        mTransparentBars.requestTransparentBars(true);
+
         setupViews();
         grid.layout(this);
 
@@ -2851,8 +2853,6 @@ public class Launcher extends Activity
             mStateAnimation.play(alphaAnim).after(startDelay);
 
             mStateAnimation.addListener(new AnimatorListenerAdapter() {
-                boolean animationCancelled = false;
-
                 @Override
                 public void onAnimationStart(Animator animation) {
                     // Prepare the position
@@ -2871,11 +2871,6 @@ public class Launcher extends Activity
                         mSearchDropTargetBar.hideSearchBar(false);
                     }
                 }
-
-                @Override
-                public void onAnimationCancel(Animator animation) {
-                    animationCancelled = true;
-                }
             });
 
             if (workspaceAnim != null) {
@@ -3625,22 +3620,6 @@ public class Launcher extends Activity
         return show;
     }
 
-    private boolean emailSent() {
-        String spKey = LauncherAppState.getSharedPreferencesKey();
-        SharedPreferences sp = getSharedPreferences(spKey, Context.MODE_PRIVATE);
-        boolean show = sp.getBoolean(CORRUPTION_EMAIL_SENT_KEY, false);
-        return show;
-    }
-
-    private void setEmailSent(boolean sent) {
-        String spKey = LauncherAppState.getSharedPreferencesKey();
-        SharedPreferences sp = getSharedPreferences(spKey, Context.MODE_PRIVATE);
-
-        SharedPreferences.Editor editor = sp.edit();
-        editor.putBoolean(CORRUPTION_EMAIL_SENT_KEY, sent);
-        editor.commit();
-    }
-
     private void toggleShowWeightWatcher() {
         String spKey = LauncherAppState.getSharedPreferencesKey();
         SharedPreferences sp = getSharedPreferences(spKey, Context.MODE_PRIVATE);
diff --git a/src/com/android/launcher3/LauncherViewPropertyAnimator.java b/src/com/android/launcher3/LauncherViewPropertyAnimator.java
index 8a9c35dda..4cafbbfa6 100644
--- a/src/com/android/launcher3/LauncherViewPropertyAnimator.java
+++ b/src/com/android/launcher3/LauncherViewPropertyAnimator.java
@@ -35,7 +35,8 @@ public class LauncherViewPropertyAnimator extends Animator implements AnimatorLi
             ALPHA,
             START_DELAY,
             DURATION,
-            INTERPOLATOR
+            INTERPOLATOR,
+            WITH_LAYER
     }
     EnumSet<Properties> mPropertiesToSet = EnumSet.noneOf(Properties.class);
     ViewPropertyAnimator mViewPropertyAnimator;
@@ -223,6 +224,9 @@ public class LauncherViewPropertyAnimator extends Animator implements AnimatorLi
         if (mPropertiesToSet.contains(Properties.INTERPOLATOR)) {
             mViewPropertyAnimator.setInterpolator(mInterpolator);
         }
+        if (mPropertiesToSet.contains(Properties.WITH_LAYER)) {
+            mViewPropertyAnimator.withLayer();
+        }
         mViewPropertyAnimator.setListener(this);
         mViewPropertyAnimator.start();
         LauncherAnimUtils.cancelOnDestroyActivity(this);
@@ -263,4 +267,9 @@ public class LauncherViewPropertyAnimator extends Animator implements AnimatorLi
         mAlpha = value;
         return this;
     }
+
+    public LauncherViewPropertyAnimator withLayer() {
+        mPropertiesToSet.add(Properties.WITH_LAYER);
+        return this;
+    }
 }
diff --git a/src/com/android/launcher3/TransparentBars.java b/src/com/android/launcher3/TransparentBars.java
new file mode 100644
index 000000000..a12da9e6f
--- /dev/null
+++ b/src/com/android/launcher3/TransparentBars.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * 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.
+ */
+
+package com.android.launcher3;
+
+import android.view.View;
+
+public class TransparentBars {
+    private static final int SYSTEM_UI_FLAG_TRANSPARENT_STATUS = 0x00001000;
+    private static final int SYSTEM_UI_FLAG_TRANSPARENT_NAVIGATION = 0x00002000;
+
+    // Behave properly on early K builds.  Replace with api check once sdk is baked.
+    public static final boolean SUPPORTED = !hasSystemUiFlag("ALLOW_TRANSIENT")
+            && hasSystemUiFlag("TRANSPARENT_STATUS")
+            && hasSystemUiFlag("TRANSPARENT_NAVIGATION");
+
+    private final View mTarget;
+
+    public TransparentBars(View target) {
+        mTarget = target;
+    }
+
+    public void requestTransparentBars(boolean transparent) {
+        if (!SUPPORTED) return;
+        int flags = View.SYSTEM_UI_FLAG_LAYOUT_STABLE
+                  | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+                  | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
+        if (transparent) {
+            flags |= SYSTEM_UI_FLAG_TRANSPARENT_STATUS | SYSTEM_UI_FLAG_TRANSPARENT_NAVIGATION;
+        }
+        mTarget.setSystemUiVisibility(flags);
+    }
+
+    private static boolean hasSystemUiFlag(String name) {
+        try {
+            return View.class.getField("SYSTEM_UI_FLAG_" + name) != null;
+        } catch (NoSuchFieldException e) {
+            return false;
+        }
+    }
+}
diff --git a/src/com/android/launcher3/WallpaperCropActivity.java b/src/com/android/launcher3/WallpaperCropActivity.java
index cdfcd1c00..343d0ffbf 100644
--- a/src/com/android/launcher3/WallpaperCropActivity.java
+++ b/src/com/android/launcher3/WallpaperCropActivity.java
@@ -75,6 +75,9 @@ public class WallpaperCropActivity extends Activity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         init();
+        if (!enableRotation()) {
+            setRequestedOrientation(Configuration.ORIENTATION_PORTRAIT);
+        }
     }
 
     protected void init() {
@@ -99,6 +102,12 @@ public class WallpaperCropActivity extends Activity {
                         cropImageAndSetWallpaper(imageUri, null, finishActivityWhenDone);
                     }
                 });
+        TransparentBars transparentBars = new TransparentBars(findViewById(R.id.wallpaper_root));
+        transparentBars.requestTransparentBars(true);
+    }
+
+    public boolean enableRotation() {
+        return getResources().getBoolean(R.bool.allow_rotation);
     }
 
     public static String getSharedPreferencesKey() {
diff --git a/src/com/android/launcher3/WallpaperPickerActivity.java b/src/com/android/launcher3/WallpaperPickerActivity.java
index ef94fe86e..7f49c86d3 100644
--- a/src/com/android/launcher3/WallpaperPickerActivity.java
+++ b/src/com/android/launcher3/WallpaperPickerActivity.java
@@ -77,6 +77,7 @@ public class WallpaperPickerActivity extends WallpaperCropActivity {
     private OnClickListener mThumbnailOnClickListener;
 
     private LinearLayout mWallpapersView;
+    private View mWallpaperStrip;
 
     private ActionMode.Callback mActionModeCallback;
     private ActionMode mActionMode;
@@ -169,12 +170,19 @@ public class WallpaperPickerActivity extends WallpaperCropActivity {
         }
     }
 
+    public void setWallpaperStripYOffset(float offset) {
+        mWallpaperStrip.setPadding(0, 0, 0, (int) offset);
+    }
+
     // called by onCreate; this is subclassed to overwrite WallpaperCropActivity
     protected void init() {
         setContentView(R.layout.wallpaper_picker);
+        final WallpaperRootView root = (WallpaperRootView) findViewById(R.id.wallpaper_root);
+        TransparentBars transparentBars = new TransparentBars(root);
+        transparentBars.requestTransparentBars(true);
 
         mCropView = (CropView) findViewById(R.id.cropView);
-        final View wallpaperStrip = findViewById(R.id.wallpaper_strip);
+        mWallpaperStrip = findViewById(R.id.wallpaper_strip);
         mCropView.setTouchCallback(new CropView.TouchCallback() {
             LauncherViewPropertyAnimator mAnim;
             @Override
@@ -182,11 +190,11 @@ public class WallpaperPickerActivity extends WallpaperCropActivity {
                 if (mAnim != null) {
                     mAnim.cancel();
                 }
-                if (wallpaperStrip.getTranslationY() == 0) {
+                if (mWallpaperStrip.getTranslationY() == 0) {
                     mIgnoreNextTap = true;
                 }
-                mAnim = new LauncherViewPropertyAnimator(wallpaperStrip);
-                mAnim.translationY(wallpaperStrip.getHeight()).alpha(0f)
+                mAnim = new LauncherViewPropertyAnimator(mWallpaperStrip);
+                mAnim.translationY(mWallpaperStrip.getHeight()).alpha(0f)
                         .setInterpolator(new DecelerateInterpolator(0.75f));
                 mAnim.start();
             }
@@ -202,8 +210,8 @@ public class WallpaperPickerActivity extends WallpaperCropActivity {
                     if (mAnim != null) {
                         mAnim.cancel();
                     }
-                    mAnim = new LauncherViewPropertyAnimator(wallpaperStrip);
-                    mAnim.translationY(0).alpha(1f)
+                    mAnim = new LauncherViewPropertyAnimator(mWallpaperStrip);
+                    mAnim.translationY(0f).alpha(1f)
                             .setInterpolator(new DecelerateInterpolator(0.75f));
                     mAnim.start();
                 }
@@ -401,6 +409,10 @@ public class WallpaperPickerActivity extends WallpaperCropActivity {
         };
     }
 
+    public boolean enableRotation() {
+        return super.enableRotation() || Launcher.sForceEnableRotation;
+    }
+
     protected Bitmap getThumbnailOfLastPhoto() {
         Cursor cursor = MediaStore.Images.Media.query(getContentResolver(),
                 MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
@@ -419,10 +431,10 @@ public class WallpaperPickerActivity extends WallpaperCropActivity {
 
     protected void onStop() {
         super.onStop();
-        final View wallpaperStrip = findViewById(R.id.wallpaper_strip);
-        if (wallpaperStrip.getTranslationY() > 0) {
-            wallpaperStrip.setTranslationY(0);
-            wallpaperStrip.setAlpha(1f);
+        mWallpaperStrip = findViewById(R.id.wallpaper_strip);
+        if (mWallpaperStrip.getTranslationY() > 0f) {
+            mWallpaperStrip.setTranslationY(0f);
+            mWallpaperStrip.setAlpha(1f);
         }
     }
 
diff --git a/src/com/android/launcher3/WallpaperRootView.java b/src/com/android/launcher3/WallpaperRootView.java
new file mode 100644
index 000000000..ceaa043a7
--- /dev/null
+++ b/src/com/android/launcher3/WallpaperRootView.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * 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.
+ */
+
+package com.android.launcher3;
+
+import android.content.Context;
+import android.graphics.Rect;
+import android.util.AttributeSet;
+import android.widget.RelativeLayout;
+
+public class WallpaperRootView extends RelativeLayout {
+    private final WallpaperPickerActivity a;
+    public WallpaperRootView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        a = (WallpaperPickerActivity) context;
+    }
+    public WallpaperRootView(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+        a = (WallpaperPickerActivity) context;
+    }
+
+    protected boolean fitSystemWindows(Rect insets) {
+        a.setWallpaperStripYOffset(insets.bottom);
+        return true;
+    }
+}