Support Panorama preview.

The panorama preview doesn't consider display rotation.

bug:6305152
Change-Id: I6389a74d3c0e64d8b6bc206e728d1088f04be225

5 files changed, 34 insertions, 4 deletions

diff --git a/src/com/android/gallery3d/app/AppBridge.java b/src/com/android/gallery3d/app/AppBridge.java
index 90cbd0bbb..5d6b1ec52 100644
--- a/src/com/android/gallery3d/app/AppBridge.java
+++ b/src/com/android/gallery3d/app/AppBridge.java
@@ -34,6 +34,7 @@ public abstract class AppBridge implements Parcelable {
     //  These are requests sent from PhotoPage to the app
     //////////////////////////////////////////////////////////////////////////
 
+    public abstract boolean isPanorama();
     public abstract ScreenNail attachScreenNail();
     public abstract void detachScreenNail();
 
diff --git a/src/com/android/gallery3d/app/PhotoDataAdapter.java b/src/com/android/gallery3d/app/PhotoDataAdapter.java
index a0c4cdf6a..66b423f69 100644
--- a/src/com/android/gallery3d/app/PhotoDataAdapter.java
+++ b/src/com/android/gallery3d/app/PhotoDataAdapter.java
@@ -147,6 +147,7 @@ public class PhotoDataAdapter implements PhotoPage.Model {
     private int mSize = 0;
     private Path mItemPath;
     private int mCameraIndex;
+    private boolean mIsPanorama;
     private boolean mIsActive;
     private boolean mNeedFullImage;
 
@@ -164,12 +165,14 @@ public class PhotoDataAdapter implements PhotoPage.Model {
     // find the image being viewed. cameraIndex is the index of the camera
     // preview. If cameraIndex < 0, there is no camera preview.
     public PhotoDataAdapter(GalleryActivity activity, PhotoView view,
-            MediaSet mediaSet, Path itemPath, int indexHint, int cameraIndex) {
+            MediaSet mediaSet, Path itemPath, int indexHint, int cameraIndex,
+            boolean isPanorama) {
         mSource = Utils.checkNotNull(mediaSet);
         mPhotoView = Utils.checkNotNull(view);
         mItemPath = Utils.checkNotNull(itemPath);
         mCurrentIndex = indexHint;
         mCameraIndex = cameraIndex;
+        mIsPanorama = isPanorama;
         mThreadPool = activity.getThreadPool();
         mNeedFullImage = true;
 
@@ -429,6 +432,11 @@ public class PhotoDataAdapter implements PhotoPage.Model {
     }
 
     @Override
+    public boolean isPanorama(int offset) {
+        return isCamera(offset) && mIsPanorama;
+    }
+
+    @Override
     public boolean isVideo(int offset) {
         MediaItem item = getItem(mCurrentIndex + offset);
         return (item == null)
diff --git a/src/com/android/gallery3d/app/PhotoPage.java b/src/com/android/gallery3d/app/PhotoPage.java
index d344558ce..1778f261b 100644
--- a/src/com/android/gallery3d/app/PhotoPage.java
+++ b/src/com/android/gallery3d/app/PhotoPage.java
@@ -216,7 +216,8 @@ public class PhotoPage extends ActivityState implements
             }
             PhotoDataAdapter pda = new PhotoDataAdapter(
                     mActivity, mPhotoView, mMediaSet, itemPath, mCurrentIndex,
-                    mAppBridge == null ? -1 : 0);
+                    mAppBridge == null ? -1 : 0,
+                    mAppBridge == null ? false : mAppBridge.isPanorama());
             mModel = pda;
             mPhotoView.setModel(mModel);
 
diff --git a/src/com/android/gallery3d/app/SinglePhotoDataAdapter.java b/src/com/android/gallery3d/app/SinglePhotoDataAdapter.java
index 179c93043..f26f405d4 100644
--- a/src/com/android/gallery3d/app/SinglePhotoDataAdapter.java
+++ b/src/com/android/gallery3d/app/SinglePhotoDataAdapter.java
@@ -190,6 +190,11 @@ public class SinglePhotoDataAdapter extends TileImageViewAdapter
     }
 
     @Override
+    public boolean isPanorama(int offset) {
+        return false;
+    }
+
+    @Override
     public boolean isVideo(int offset) {
         return mItem.getMediaType() == MediaItem.MEDIA_TYPE_VIDEO;
     }
diff --git a/src/com/android/gallery3d/ui/PhotoView.java b/src/com/android/gallery3d/ui/PhotoView.java
index 1610a1274..46d7c9362 100644
--- a/src/com/android/gallery3d/ui/PhotoView.java
+++ b/src/com/android/gallery3d/ui/PhotoView.java
@@ -71,6 +71,9 @@ public class PhotoView extends GLView {
         // Returns true if the item is the Camera preview.
         public boolean isCamera(int offset);
 
+        // Returns true if the item is the Panorama.
+        public boolean isPanorama(int offset);
+
         // Returns true if the item is a Video.
         public boolean isVideo(int offset);
     }
@@ -403,6 +406,10 @@ public class PhotoView extends GLView {
         return (mCompensation - mDisplayRotation + 360) % 360;
     }
 
+    private int getPanoramaRotation() {
+        return mCompensation;
+    }
+
     ////////////////////////////////////////////////////////////////////////////
     //  Pictures
     ////////////////////////////////////////////////////////////////////////////
@@ -418,6 +425,7 @@ public class PhotoView extends GLView {
     class FullPicture implements Picture {
         private int mRotation;
         private boolean mIsCamera;
+        private boolean mIsPanorama;
         private boolean mIsVideo;
         private boolean mWasCameraCenter;
 
@@ -431,6 +439,7 @@ public class PhotoView extends GLView {
             mTileView.notifyModelInvalidated();
 
             mIsCamera = mModel.isCamera(0);
+            mIsPanorama = mModel.isPanorama(0);
             mIsVideo = mModel.isVideo(0);
             setScreenNail(mModel.getScreenNail(0));
             updateSize(false);
@@ -439,7 +448,9 @@ public class PhotoView extends GLView {
 
         @Override
         public void updateSize(boolean force) {
-            if (mIsCamera) {
+            if (mIsPanorama) {
+                mRotation = getPanoramaRotation();
+            } else if (mIsCamera) {
                 mRotation = getCameraRotation();
             } else {
                 mRotation = mModel.getImageRotation(0);
@@ -629,6 +640,7 @@ public class PhotoView extends GLView {
         private ScreenNail mScreenNail;
         private Size mSize = new Size();
         private boolean mIsCamera;
+        private boolean mIsPanorama;
         private boolean mIsVideo;
 
         public ScreenNailPicture(int index) {
@@ -638,6 +650,7 @@ public class PhotoView extends GLView {
         @Override
         public void reload() {
             mIsCamera = mModel.isCamera(mIndex);
+            mIsPanorama = mModel.isPanorama(mIndex);
             mIsVideo = mModel.isVideo(mIndex);
             setScreenNail(mModel.getScreenNail(mIndex));
         }
@@ -703,7 +716,9 @@ public class PhotoView extends GLView {
 
         @Override
         public void updateSize(boolean force) {
-            if (mIsCamera) {
+            if (mIsPanorama) {
+                mRotation = getPanoramaRotation();
+            } else if (mIsCamera) {
                 mRotation = getCameraRotation();
             } else {
                 mRotation = mModel.getImageRotation(mIndex);