Initial support for image keyboard accepting only gif

app/src/main/java/chat/rocket/android/fragment/chatroom/RoomFragment.java

@@ -3,11 +3,15 @@ package chat.rocket.android.fragment.chatroom;
 import android.Manifest;
 import android.app.Activity;
 import android.content.Intent;
+import android.net.Uri;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.design.widget.Snackbar;
+import android.support.v13.view.inputmethod.InputConnectionCompat;
+import android.support.v13.view.inputmethod.InputContentInfoCompat;
 import android.support.v4.app.DialogFragment;
+import android.support.v4.os.BuildCompat;
 import android.support.v4.view.GravityCompat;
 import android.support.v4.widget.DrawerLayout;
 import android.support.v4.widget.SlidingPaneLayout;
@@ -138,6 +142,7 @@ public class RoomFragment extends AbstractChatRoomFragment
         .createObjectObserver(realm ->
             realm.where(LoadMessageProcedure.class).equalTo(LoadMessageProcedure.ID, roomId))
         .setOnUpdateListener(this::onUpdateLoadMessageProcedure);
+
     if (savedInstanceState == null) {
       initialRequest();
     }
@@ -317,20 +322,11 @@ public class RoomFragment extends AbstractChatRoomFragment
         (MessageFormLayout) rootView.findViewById(R.id.message_composer);
     messageFormManager =
         new MessageFormManager(messageFormLayout, this::showExtraActionSelectionDialog);
-    messageFormManager.setSendMessageCallback(messageText ->
-        realmHelper.executeTransaction(realm ->
-            realm.createOrUpdateObjectFromJson(Message.class, new JSONObject()
-                .put(Message.ID, UUID.randomUUID().toString())
-                .put(Message.SYNC_STATE, SyncState.NOT_SYNCED)
-                .put(Message.TIMESTAMP, System.currentTimeMillis())
-                .put(Message.ROOM_ID, roomId)
-                .put(Message.USER, new JSONObject()
-                    .put(User.ID, userId))
-                .put(Message.MESSAGE, messageText)))
-            .onSuccess(_task -> {
-              scrollToLatestMessage();
+    messageFormManager.setSendMessageCallback(messageText -> {
+      sendMessage(messageText);
       return null;
-            }));
+    });
+    messageFormLayout.setEditTextContentListener(this::onCommitContent);
   }
 
   @Override
@@ -344,8 +340,12 @@ public class RoomFragment extends AbstractChatRoomFragment
       return;
     }
 
+    uploadFile(data.getData());
+  }
+
+  private void uploadFile(Uri uri) {
     String uplId = new FileUploadHelper(getContext(), realmHelper)
-        .requestUploading(roomId, data.getData());
+        .requestUploading(roomId, uri);
     if (!TextUtils.isEmpty(uplId)) {
       FileUploadProgressDialogFragment.create(serverConfigId, roomId, uplId)
           .show(getFragmentManager(), FileUploadProgressDialogFragment.class.getSimpleName());
@@ -490,4 +490,58 @@ public class RoomFragment extends AbstractChatRoomFragment
   protected void onExtraActionSelected(MessageExtraActionBehavior action) {
     action.handleItemSelectedOnFragment(RoomFragment.this);
   }
+
+  private boolean onCommitContent(InputContentInfoCompat inputContentInfo, int flags,
+                                  Bundle opts, String[] supportedMimeTypes) {
+    boolean supported = false;
+    for (final String mimeType : supportedMimeTypes) {
+      if (inputContentInfo.getDescription().hasMimeType(mimeType)) {
+        supported = true;
+        break;
+      }
+    }
+
+    if (!supported) {
+      return false;
+    }
+
+    if (BuildCompat.isAtLeastNMR1()
+        && (flags & InputConnectionCompat.INPUT_CONTENT_GRANT_READ_URI_PERMISSION) != 0) {
+      try {
+        inputContentInfo.requestPermission();
+      } catch (Exception e) {
+        return false;
+      }
+    }
+
+    Uri linkUri = inputContentInfo.getLinkUri();
+    if (linkUri == null) {
+      return false;
+    }
+
+    sendMessage(linkUri.toString());
+
+    try {
+      inputContentInfo.releasePermission();
+    } catch (Exception e) {
+    }
+
+    return true;
+  }
+
+  private void sendMessage(String messageText) {
+    realmHelper.executeTransaction(realm ->
+        realm.createOrUpdateObjectFromJson(Message.class, new JSONObject()
+            .put(Message.ID, UUID.randomUUID().toString())
+            .put(Message.SYNC_STATE, SyncState.NOT_SYNCED)
+            .put(Message.TIMESTAMP, System.currentTimeMillis())
+            .put(Message.ROOM_ID, roomId)
+            .put(Message.USER, new JSONObject()
+                .put(User.ID, userId))
+            .put(Message.MESSAGE, messageText)))
+        .onSuccess(_task -> {
+          scrollToLatestMessage();
+          return null;
+        });
+  }
 }

dependencies.gradle

@@ -11,6 +11,7 @@ ext {
   supportAnnotations = "com.android.support:support-annotations:$supportVersion"
   supportRecyclerView = "com.android.support:recyclerview-v7:$supportVersion"
   supportAppCompat = "com.android.support:appcompat-v7:$supportVersion"
+  supportV13 = "com.android.support:support-v13:$supportVersion"
   supportDesign = "com.android.support:design:$supportVersion"
 
   rxJava = 'io.reactivex:rxjava:1.2.2'

rocket-chat-android-widgets/build.gradle

@@ -33,6 +33,7 @@ dependencies {
   testCompile 'junit:junit:4.12'
   compile rootProject.ext.supportAnnotations
   compile rootProject.ext.supportAppCompat
+  compile rootProject.ext.supportV13
   compile rootProject.ext.supportDesign
   compile 'org.nibor.autolink:autolink:0.5.0'
   compile rootProject.ext.textDrawable

rocket-chat-android-widgets/src/main/java/chat/rocket/android/widget/message/MessageFormLayout.java

@@ -3,6 +3,8 @@ package chat.rocket.android.widget.message;
 import android.annotation.TargetApi;
 import android.content.Context;
 import android.os.Build;
+import android.os.Bundle;
+import android.support.v13.view.inputmethod.InputContentInfoCompat;
 import android.text.Editable;
 import android.text.TextUtils;
 import android.text.TextWatcher;
@@ -25,6 +27,7 @@ public class MessageFormLayout extends LinearLayout {
 
   private ExtraActionSelectionClickListener extraActionSelectionClickListener;
   private SubmitTextListener submitTextListener;
+  private RocketChatEditText.ContentListener listener;
 
   public MessageFormLayout(Context context) {
     super(context);
@@ -76,7 +79,9 @@ public class MessageFormLayout extends LinearLayout {
     btnSubmit.setScaleY(0);
     btnSubmit.setVisibility(GONE);
 
-    ((EditText) composer.findViewById(R.id.editor)).addTextChangedListener(new TextWatcher() {
+    RocketChatEditText editText = (RocketChatEditText) composer.findViewById(R.id.editor);
+
+    editText.addTextChangedListener(new TextWatcher() {
       @Override
       public void beforeTextChanged(CharSequence s, int start, int count, int after) {
       }
@@ -97,6 +102,17 @@ public class MessageFormLayout extends LinearLayout {
       }
     });
 
+    editText.setContentListener(new RocketChatEditText.ContentListener() {
+      @Override
+      public boolean onCommitContent(InputContentInfoCompat inputContentInfo, int flags,
+                                     Bundle opts, String[] supportedMimeTypes) {
+        if (listener != null) {
+          return listener.onCommitContent(inputContentInfo, flags, opts, supportedMimeTypes);
+        }
+        return false;
+      }
+    });
+
     addView(composer);
   }
 
@@ -132,6 +148,10 @@ public class MessageFormLayout extends LinearLayout {
     composer.findViewById(R.id.btn_submit).setEnabled(enabled);
   }
 
+  public void setEditTextContentListener(RocketChatEditText.ContentListener listener) {
+    this.listener = listener;
+  }
+
   private void animateHide(final View view) {
     view.animate().scaleX(0).scaleY(0).setDuration(150).withEndAction(new Runnable() {
       @Override

rocket-chat-android-widgets/src/main/java/chat/rocket/android/widget/message/RocketChatEditText.java

+package chat.rocket.android.widget.message;
+
+import android.annotation.TargetApi;
+import android.content.Context;
+import android.os.Build;
+import android.os.Bundle;
+import android.support.v13.view.inputmethod.EditorInfoCompat;
+import android.support.v13.view.inputmethod.InputConnectionCompat;
+import android.support.v13.view.inputmethod.InputContentInfoCompat;
+import android.util.AttributeSet;
+import android.view.inputmethod.EditorInfo;
+import android.view.inputmethod.InputConnection;
+import android.widget.EditText;
+
+public class RocketChatEditText extends EditText {
+
+  private final String[] mimeTypes = {"image/gif"};
+
+  final InputConnectionCompat.OnCommitContentListener inputConnectionListener =
+      new InputConnectionCompat.OnCommitContentListener() {
+        @Override
+        public boolean onCommitContent(InputContentInfoCompat inputContentInfo, int flags,
+                                       Bundle opts) {
+          if (listener != null) {
+            return listener.onCommitContent(inputContentInfo, flags, opts, mimeTypes);
+          }
+
+          return false;
+        }
+      };
+
+  private ContentListener listener;
+
+  public RocketChatEditText(Context context) {
+    super(context);
+  }
+
+  public RocketChatEditText(Context context, AttributeSet attrs) {
+    super(context, attrs);
+  }
+
+  public RocketChatEditText(Context context, AttributeSet attrs, int defStyleAttr) {
+    super(context, attrs, defStyleAttr);
+  }
+
+  @TargetApi(Build.VERSION_CODES.LOLLIPOP)
+  public RocketChatEditText(Context context, AttributeSet attrs, int defStyleAttr,
+                            int defStyleRes) {
+    super(context, attrs, defStyleAttr, defStyleRes);
+  }
+
+  @Override
+  public InputConnection onCreateInputConnection(EditorInfo editorInfo) {
+    final InputConnection inputConnection = super.onCreateInputConnection(editorInfo);
+
+    EditorInfoCompat.setContentMimeTypes(editorInfo, mimeTypes);
+
+    return InputConnectionCompat
+        .createWrapper(inputConnection, editorInfo, inputConnectionListener);
+  }
+
+  public void setContentListener(ContentListener listener) {
+    this.listener = listener;
+  }
+
+  public interface ContentListener {
+    boolean onCommitContent(InputContentInfoCompat inputContentInfo, int flags,
+                            Bundle opts, String[] supportedMimeTypes);
+  }
+}

rocket-chat-android-widgets/src/main/res/layout/message_composer.xml

@@ -21,7 +21,7 @@
                 android:layout_height="32dp"
                 android:layout_margin="8dp" />
 
-        <EditText
+        <chat.rocket.android.widget.message.RocketChatEditText
                 android:id="@+id/editor"
                 android:layout_width="0px"
                 android:layout_height="wrap_content"