ProfessionalUwU/Infinity-For-Lemmy
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Code Issues Packages Projects Releases Wiki Activity

Add a Fab to scroll down parent comments. Use volume up and down keys to navigate parent comments.

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This commit is contained in:
Alex Ning 2019-11-17 23:41:58 +08:00
parent ee60cbf640
commit b997963808
7 changed files with 131 additions and 4 deletions
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65
app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewPostDetailActivity.java
View File

@ -6,6 +6,7 @@ import android.content.res.Configuration;
import android.content.res.Resources;
import android.os.Build;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
@ -23,6 +24,7 @@ import androidx.annotation.Nullable;
import androidx.appcompat.widget.Toolbar;
import androidx.coordinatorlayout.widget.CoordinatorLayout;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.LinearSmoothScroller;
import androidx.recyclerview.widget.RecyclerView;
import com.bumptech.glide.Glide;
@ -30,6 +32,7 @@ import com.bumptech.glide.RequestManager;
import com.evernote.android.state.State;
import com.google.android.material.appbar.AppBarLayout;
import com.google.android.material.dialog.MaterialAlertDialogBuilder;
import com.google.android.material.floatingactionbutton.FloatingActionButton;
import com.google.android.material.snackbar.Snackbar;
import com.livefront.bridge.Bridge;
import com.r0adkll.slidr.Slidr;
@ -142,6 +145,8 @@ public class ViewPostDetailActivity extends BaseActivity implements FlairBottomS
ImageView mFetchPostInfoImageView;
@BindView(R.id.fetch_post_info_text_view_view_post_detail_activity)
TextView mFetchPostInfoTextView;
@BindView(R.id.fab_view_post_detail_activity)
FloatingActionButton fab;
@Inject
@Named("no_oauth")
Retrofit mRetrofit;
@ -164,8 +169,10 @@ public class ViewPostDetailActivity extends BaseActivity implements FlairBottomS
private boolean mShowElapsedTime;
private boolean showToast = false;
private boolean isSortingComments = false;
private boolean mVolumeKeysNavigateComments;
private LinearLayoutManager mLinearLayoutManager;
private CommentAndPostRecyclerViewAdapter mAdapter;
private RecyclerView.SmoothScroller mSmoothScroller;
private PostCommentSortTypeBottomSheetFragment postCommentSortTypeBottomSheetFragment;
@Override
@ -241,12 +248,19 @@ public class ViewPostDetailActivity extends BaseActivity implements FlairBottomS
mNeedBlurSpoiler = mSharedPreferences.getBoolean(SharedPreferencesUtils.BLUR_SPOILER_KEY, false);
mVoteButtonsOnTheRight = mSharedPreferences.getBoolean(SharedPreferencesUtils.VOTE_BUTTONS_ON_THE_RIGHT_KEY, false);
mShowElapsedTime = mSharedPreferences.getBoolean(SharedPreferencesUtils.SHOW_ELAPSED_TIME_KEY, false);
mVolumeKeysNavigateComments = mSharedPreferences.getBoolean(SharedPreferencesUtils.VOLUME_KEYS_NAVIGATE_COMMENTS, false);
mGlide = Glide.with(this);
mLocale = getResources().getConfiguration().locale;
mLinearLayoutManager = new LinearLayoutManager(this);
mRecyclerView.setLayoutManager(mLinearLayoutManager);
mSmoothScroller = new LinearSmoothScroller(this) {
@Override
protected int getVerticalSnapPreference() {
return LinearSmoothScroller.SNAP_TO_START;
}
};
mSingleCommentId = getIntent().getStringExtra(EXTRA_SINGLE_COMMENT_ID);
if (savedInstanceState == null) {
@ -433,6 +447,8 @@ public class ViewPostDetailActivity extends BaseActivity implements FlairBottomS
}
}
}
fab.setOnClickListener(view -> scrollToNextParentComment());
}
@ -965,6 +981,38 @@ public class ViewPostDetailActivity extends BaseActivity implements FlairBottomS
refresh(false, true);
}
public void scrollToNextParentComment() {
if (mLinearLayoutManager != null) {
int currentPosition = mLinearLayoutManager.findFirstVisibleItemPosition();
if (mAdapter != null) {
int nextParentPosition = mAdapter.getNextParentCommentPosition(currentPosition);
if (nextParentPosition < 0) {
return;
}
mSmoothScroller.setTargetPosition(nextParentPosition);
if (mLinearLayoutManager != null) {
mLinearLayoutManager.startSmoothScroll(mSmoothScroller);
}
}
}
}
public void scrollToPreviousParentComment() {
if (mLinearLayoutManager != null) {
int currentPosition = mLinearLayoutManager.findFirstVisibleItemPosition();
if (mAdapter != null) {
int nextParentPosition = mAdapter.getPreviousParentCommentPosition(currentPosition);
if (nextParentPosition < 0) {
return;
}
mSmoothScroller.setTargetPosition(nextParentPosition);
if (mLinearLayoutManager != null) {
mLinearLayoutManager.startSmoothScroll(mSmoothScroller);
}
}
}
}
@Subscribe
public void onPostUpdateEvent(PostUpdateEventToDetailActivity event) {
if (mPost.getId().equals(event.post.getId())) {
@ -1294,7 +1342,7 @@ public class ViewPostDetailActivity extends BaseActivity implements FlairBottomS
refresh(true, false);
}
} else if (requestCode == EDIT_COMMENT_REQUEST_CODE) {
if (resultCode == RESULT_OK) {
if (data != null && resultCode == RESULT_OK) {
mAdapter.editComment(data.getStringExtra(EditCommentActivity.EXTRA_EDITED_COMMENT_CONTENT),
data.getExtras().getInt(EditCommentActivity.EXTRA_EDITED_COMMENT_POSITION));
}
@ -1324,6 +1372,21 @@ public class ViewPostDetailActivity extends BaseActivity implements FlairBottomS
Bridge.clear(this);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (mVolumeKeysNavigateComments) {
switch (keyCode) {
case KeyEvent.KEYCODE_VOLUME_UP:
scrollToPreviousParentComment();
return true;
case KeyEvent.KEYCODE_VOLUME_DOWN:
scrollToNextParentComment();
return true;
}
}
return super.onKeyDown(keyCode, event);
}
@Override
public void flairSelected(Flair flair) {
Map<String, String> params = new HashMap<>();

38
app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentAndPostRecyclerViewAdapter.java
View File

@ -1437,6 +1437,44 @@ public class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<Recy
mNeedBlurSpoiler = needBlurSpoiler;
}
public int getNextParentCommentPosition(int currentPosition) {
if (mVisibleComments != null && !mVisibleComments.isEmpty()) {
if (mIsSingleCommentThreadMode) {
for (int i = currentPosition + 1; i - 2 < mVisibleComments.size(); i++) {
if (mVisibleComments.get(i - 2).getDepth() == 0) {
return i;
}
}
} else {
for (int i = currentPosition + 1; i - 1 < mVisibleComments.size(); i++) {
if (mVisibleComments.get(i - 1).getDepth() == 0) {
return i;
}
}
}
}
return -1;
}
public int getPreviousParentCommentPosition(int currentPosition) {
if (mVisibleComments != null && !mVisibleComments.isEmpty()) {
if (mIsSingleCommentThreadMode) {
for (int i = currentPosition + 1; i - 2 >= 0; i--) {
if (mVisibleComments.get(i - 2).getDepth() == 0) {
return i;
}
}
} else {
for (int i = currentPosition - 1; i - 1 >= 0; i--) {
if (mVisibleComments.get(i - 1).getDepth() == 0) {
return i;
}
}
}
}
return -1;
}
@Override
public void onViewRecycled(@NonNull RecyclerView.ViewHolder holder) {
if (holder instanceof CommentViewHolder) {

1
app/src/main/java/ml/docilealligator/infinityforreddit/Utils/SharedPreferencesUtils.java
View File

@ -58,4 +58,5 @@ public class SharedPreferencesUtils {
public static final String PULL_NOTIFICATION_TIME = "pull_notification_time";
public static final String SHOW_ELAPSED_TIME_KEY = "show_elapsed_time";
public static final String SWIPE_RIGHT_TO_GO_BACK_FROM_POST_DETAIL = "swipe_to_go_back_from_post_detail";
public static final String VOLUME_KEYS_NAVIGATE_COMMENTS = "volume_keys_navigate_comments";
}

9
app/src/main/res/drawable/ic_keyboard_arrow_down_24dp.xml Normal file
View File

@ -0,0 +1,9 @@
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="24dp"
android:height="24dp"
android:viewportWidth="24"
android:viewportHeight="24">
<path
android:fillColor="#FFFFFFFF"
android:pathData="M7.41,8.59L12,13.17l4.59,-4.58L18,10l-6,6 -6,-6 1.41,-1.41z"/>
</vector>

10
app/src/main/res/layout/activity_view_post_detail.xml
View File

@ -70,4 +70,14 @@
</LinearLayout>
<com.google.android.material.floatingactionbutton.FloatingActionButton
android:id="@+id/fab_view_post_detail_activity"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|end"
android:layout_margin="@dimen/fab_margin"
app:backgroundTint="@color/backgroundColorPrimary"
app:tint="@android:color/white"
app:srcCompat="@drawable/ic_keyboard_arrow_down_24dp" />
</androidx.coordinatorlayout.widget.CoordinatorLayout>

1
app/src/main/res/values/strings.xml
View File

@ -289,6 +289,7 @@
<string name="settings_amoled_dark_title">Amoled Dark</string>
<string name="settings_immersive_interface_title">Immersive Interface</string>
<string name="settings_vote_buttons_on_the_right_title">Vote Buttons on the Right</string>
<string name="settings_volume_keys_navigate_comments_title">Use Volume Keys to Navigate Comments in Posts</string>
<string name="settings_show_elapsed_time">Show Elpased Time in Posts and Comments</string>
<string name="swipe_to_go_back_from_post_detail">Swipe Right to Go Back From Comments</string>
<string name="settings_lazy_mode_interval_title">Lazy Mode Interval</string>

11
app/src/main/res/xml/main_preferences.xml
View File

@ -29,17 +29,22 @@
<SwitchPreference
app:defaultValue="false"
app:key="vote_buttons_on_the_right"
app:title="@string/settings_vote_buttons_on_the_right_title"/>
app:title="@string/settings_vote_buttons_on_the_right_title" />
<SwitchPreference
app:defaultValue="false"
app:key="show_elapsed_time"
app:title="@string/settings_show_elapsed_time"/>
app:title="@string/settings_show_elapsed_time" />
<SwitchPreference
app:defaultValue="true"
app:key="swipe_to_go_back_from_post_detail"
app:title="@string/swipe_to_go_back_from_post_detail"/>
app:title="@string/swipe_to_go_back_from_post_detail" />
<SwitchPreference
app:defaultValue="false"
app:key="volume_keys_navigate_comments"
app:title="@string/settings_volume_keys_navigate_comments_title" />
<Preference
app:title="@string/settings_font_size_title"