Persistent frozen tabs

 On Tablet WebViews for frozen tabs are created on demand
 On Phone WebViews for frozen tabs are tied to the lifecycle
 of the SnapshotTab for nav screen reasons (for now)

Change-Id: I80cb48e748c4dd4b8564426d5e05b92f3eea7a36

1 files changed, 18 insertions, 26 deletions

diff --git a/src/com/android/browser/NavTabView.java b/src/com/android/browser/NavTabView.java
index f170b0f..daa5013 100644
--- a/src/com/android/browser/NavTabView.java
+++ b/src/com/android/browser/NavTabView.java
@@ -49,7 +49,6 @@ public class NavTabView extends LinearLayout {
     private Drawable mUrlBg;
     private float mMediumTextSize;
     private float mSmallTextSize;
-    private boolean mPaused;
 
     public NavTabView(Context context, AttributeSet attrs, int defStyle) {
         super(context, attrs, defStyle);
@@ -85,20 +84,6 @@ public class NavTabView extends LinearLayout {
         setState(false);
     }
 
-    protected void pause() {
-        mPaused = true;
-        mWebView.onPause();
-    }
-
-    protected void resume() {
-        mPaused = false;
-        mWebView.onResume();
-    }
-
-    protected boolean isPaused() {
-        return mPaused;
-    }
-
     protected boolean isRefresh(View v) {
         return v == mRefresh;
     }
@@ -128,10 +113,8 @@ public class NavTabView extends LinearLayout {
     private void setState(boolean highlighted) {
         if (highlighted) {
             setAlpha(1.0f);
-            mRefresh.setVisibility(View.VISIBLE);
             mFavicon.setVisibility(View.VISIBLE);
-            mForward.setVisibility(mWebView.canGoForward()
-                    ? View.VISIBLE : View.GONE);
+            setupButtons();
             mTitleBar.setBackgroundDrawable(mTitleBg);
             mClose.setVisibility(View.VISIBLE);
             mTitle.setTextSize(TypedValue.COMPLEX_UNIT_PX, mMediumTextSize);
@@ -166,18 +149,27 @@ public class NavTabView extends LinearLayout {
 
     protected void setWebView(PhoneUi ui, Tab tab) {
         mTab = tab;
+        mFavicon.setImageDrawable(ui.getFaviconDrawable(tab.getFavicon()));
+        setTitle();
         BrowserWebView web = (BrowserWebView) tab.getWebView();
-        if (web == null) return;
-        mWebView = web;
-        removeFromParent(mWebView);
-        mProxy = new WebProxyView(mContext, mWebView);
-        mContainer.addView(mProxy, 0);
-        if (mWebView != null) {
+        if (web != null) {
+            mWebView = web;
+            removeFromParent(mWebView);
+            mProxy = new WebProxyView(mContext, mWebView);
+            mContainer.addView(mProxy, 0);
+        }
+        setupButtons();
+    }
+
+    void setupButtons() {
+        if (mTab.isSnapshot()) {
+            mForward.setVisibility(View.GONE);
+            mRefresh.setVisibility(View.GONE);
+        } else if (mWebView != null) {
             mForward.setVisibility(mWebView.canGoForward()
                     ? View.VISIBLE : View.GONE);
+            mRefresh.setVisibility(View.VISIBLE);
         }
-        mFavicon.setImageDrawable(ui.getFaviconDrawable(tab.getFavicon()));
-        setTitle();
     }
 
     protected void hideTitle() {