[Custom Tabs]Add API for updating action button as ContentProvider

chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabIntentDataProvider.java

Index: chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabIntentDataProvider.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabIntentDataProvider.java b/chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabIntentDataProvider.java
index ee99a093ffefff274fccb4fd45b70436d90b5e1c..e2189958b1725e8f65e3951e074f3d0d3aea1f84 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabIntentDataProvider.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabIntentDataProvider.java
@@ -80,9 +80,7 @@ public class CustomTabIntentDataProvider {
     private final int mTitleVisibilityState;
     private int mToolbarColor;
     private boolean mEnableUrlBarHiding;
-    private Drawable mCustomButtonIcon;
-    private String mCustomButtonDescription;
-    private PendingIntent mCustomButtonPendingIntent;
+    private ActionButtonParams mActionButtonParams;
     private Drawable mCloseButtonIcon;
     private List<Pair<String, PendingIntent>> mMenuEntries = new ArrayList<>();
     private Bundle mAnimationBundle;
@@ -103,27 +101,9 @@ public class CustomTabIntentDataProvider {
 
         Bundle actionButtonBundle =
                 IntentUtils.safeGetBundleExtra(intent, CustomTabsIntent.EXTRA_ACTION_BUTTON_BUNDLE);
-        if (actionButtonBundle != null) {
-            Bitmap bitmap = IntentUtils.safeGetParcelable(actionButtonBundle,
-                    CustomTabsIntent.KEY_ICON);
-            if (bitmap != null && !checkCustomButtonIconWithinBounds(context, bitmap)) {
-                bitmap.recycle();
-                bitmap = null;
-            } else if (bitmap != null) {
-                mCustomButtonPendingIntent = IntentUtils.safeGetParcelable(
-                        actionButtonBundle, CustomTabsIntent.KEY_PENDING_INTENT);
-                boolean shouldTint = IntentUtils.safeGetBooleanExtra(intent,
-                        EXTRA_TINT_ACTION_BUTTON, false);
-                if (shouldTint) {
-                    mCustomButtonIcon = TintedDrawable
-                            .constructTintedDrawable(context.getResources(), bitmap);
-                } else {
-                    mCustomButtonIcon = new BitmapDrawable(context.getResources(), bitmap);
-                }
-                mCustomButtonDescription = IntentUtils.safeGetString(actionButtonBundle,
-                        CustomTabsIntent.KEY_DESCRIPTION);
-            }
-        }
+        mActionButtonParams = ActionButtonParams.fromBundle(context, actionButtonBundle);
+        boolean tinted = IntentUtils.safeGetBooleanExtra(intent, EXTRA_TINT_ACTION_BUTTON, false);
+        mActionButtonParams.setTinted(tinted);
 
         Bitmap bitmap = IntentUtils.safeGetParcelableExtra(intent, EXTRA_CLOSE_BUTTON_ICON);
         if (bitmap != null && !checkCloseButtonSize(context, bitmap)) {
@@ -223,31 +203,14 @@ public class CustomTabIntentDataProvider {
      *         action button.
      */
     public boolean shouldShowActionButton() {
-        return mCustomButtonIcon != null && mCustomButtonPendingIntent != null
-                && !TextUtils.isEmpty(mCustomButtonDescription);
+        return mActionButtonParams != null;
     }
 
     /**
-     * @return The icon used for the action button. Will be null if not set in the intent.
+     * Gets the {@link ActionButtonParams} representing the action button.
      */
-    public Drawable getActionButtonIcon() {
-        return mCustomButtonIcon;
-    }
-
-    /**
-     * @return The content description for the custom action button.
-     */
-    public String getActionButtonDescription() {
-        return mCustomButtonDescription;
-    }
-
-    /**
-     * @return The {@link PendingIntent} that will be sent when the user clicks the action button.
-     *         For testing only.
-     */
-    @VisibleForTesting
-    public PendingIntent getActionButtonPendingIntentForTest() {
-        return mCustomButtonPendingIntent;
+    ActionButtonParams getActionButtonParams() {
+        return mActionButtonParams;
     }
 
     /**
@@ -318,24 +281,16 @@ public class CustomTabIntentDataProvider {
      * @param url The url to attach as additional data to the {@link PendingIntent}.
      */
     public void sendButtonPendingIntentWithUrl(Context context, String url) {
-        assert mCustomButtonPendingIntent != null;
+        assert shouldShowActionButton();
         Intent addedIntent = new Intent();
         addedIntent.setData(Uri.parse(url));
         try {
-            mCustomButtonPendingIntent.send(context, 0, addedIntent, mOnFinished, null);
+            mActionButtonParams.getPendingIntent().send(context, 0, addedIntent, mOnFinished, null);
         } catch (CanceledException e) {
             Log.e(TAG, "CanceledException while sending pending intent in custom tab");
         }
     }
 
-    private boolean checkCustomButtonIconWithinBounds(Context context, Bitmap bitmap) {
-        int height = context.getResources().getDimensionPixelSize(R.dimen.toolbar_icon_height);
-        if (bitmap.getHeight() < height) return false;
-        int scaledWidth = bitmap.getWidth() / bitmap.getHeight() * height;
-        if (scaledWidth > 2 * height) return false;
-        return true;
-    }
-
     private boolean checkCloseButtonSize(Context context, Bitmap bitmap) {
         int size = context.getResources().getDimensionPixelSize(R.dimen.toolbar_icon_height);
         if (bitmap.getHeight() == size && bitmap.getWidth() == size) return true;