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Diffstat (limited to 'android/slice/views/SliceView.java')
| -rw-r--r-- | android/slice/views/SliceView.java | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/android/slice/views/SliceView.java b/android/slice/views/SliceView.java new file mode 100644 index 00000000..f3792481 --- /dev/null +++ b/android/slice/views/SliceView.java @@ -0,0 +1,249 @@ +/* + * Copyright (C) 2017 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package android.slice.views; + +import android.annotation.StringDef; +import android.content.ContentResolver; +import android.content.Context; +import android.content.Intent; +import android.graphics.drawable.ColorDrawable; +import android.net.Uri; +import android.slice.Slice; +import android.slice.SliceItem; +import android.slice.SliceQuery; +import android.util.Log; +import android.view.MotionEvent; +import android.view.View; +import android.widget.FrameLayout; +import android.widget.LinearLayout; + +/** + * A view that can display a {@link Slice} in different {@link SliceMode}'s. + * + * @hide + */ +public class SliceView extends LinearLayout { + + private static final String TAG = "SliceView"; + + /** + * @hide + */ + public abstract static class SliceModeView extends FrameLayout { + + public SliceModeView(Context context) { + super(context); + } + + /** + * @return the {@link SliceMode} of the slice being presented. + */ + public abstract String getMode(); + + /** + * @param slice the slice to show in this view. + */ + public abstract void setSlice(Slice slice); + } + + /** + * @hide + */ + @StringDef({ + MODE_SMALL, MODE_LARGE, MODE_SHORTCUT + }) + public @interface SliceMode {} + + /** + * Mode indicating this slice should be presented in small template format. + */ + public static final String MODE_SMALL = "SLICE_SMALL"; + /** + * Mode indicating this slice should be presented in large template format. + */ + public static final String MODE_LARGE = "SLICE_LARGE"; + /** + * Mode indicating this slice should be presented as an icon. + */ + public static final String MODE_SHORTCUT = "SLICE_ICON"; + + /** + * Will select the type of slice binding based on size of the View. TODO: Put in some info about + * that selection. + */ + private static final String MODE_AUTO = "auto"; + + private String mMode = MODE_AUTO; + private SliceModeView mCurrentView; + private final ActionRow mActions; + private Slice mCurrentSlice; + private boolean mShowActions = true; + + /** + * Simple constructor to create a slice view from code. + * + * @param context The context the view is running in. + */ + public SliceView(Context context) { + super(context); + setOrientation(LinearLayout.VERTICAL); + mActions = new ActionRow(mContext, true); + mActions.setBackground(new ColorDrawable(0xffeeeeee)); + mCurrentView = new LargeTemplateView(mContext); + addView(mCurrentView); + addView(mActions); + } + + /** + * @hide + */ + public void bindSlice(Intent intent) { + // TODO + } + + /** + * Binds this view to the {@link Slice} associated with the provided {@link Uri}. + */ + public void bindSlice(Uri sliceUri) { + validate(sliceUri); + Slice s = mContext.getContentResolver().bindSlice(sliceUri); + bindSlice(s); + } + + /** + * Binds this view to the provided {@link Slice}. + */ + public void bindSlice(Slice slice) { + mCurrentSlice = slice; + if (mCurrentSlice != null) { + reinflate(); + } + } + + /** + * Call to clean up the view. + */ + public void unbindSlice() { + mCurrentSlice = null; + } + + /** + * Set the {@link SliceMode} this view should present in. + */ + public void setMode(@SliceMode String mode) { + setMode(mode, false /* animate */); + } + + /** + * @hide + */ + public void setMode(@SliceMode String mode, boolean animate) { + if (animate) { + Log.e(TAG, "Animation not supported yet"); + } + mMode = mode; + reinflate(); + } + + /** + * @return the {@link SliceMode} this view is presenting in. + */ + public @SliceMode String getMode() { + if (mMode.equals(MODE_AUTO)) { + return MODE_LARGE; + } + return mMode; + } + + /** + * @hide + * + * Whether this view should show a row of actions with it. + */ + public void setShowActionRow(boolean show) { + mShowActions = show; + reinflate(); + } + + private SliceModeView createView(String mode) { + switch (mode) { + case MODE_SHORTCUT: + return new ShortcutView(getContext()); + case MODE_SMALL: + return new SmallTemplateView(getContext()); + } + return new LargeTemplateView(getContext()); + } + + @Override + protected void onDetachedFromWindow() { + super.onDetachedFromWindow(); + unbindSlice(); + } + + private void reinflate() { + if (mCurrentSlice == null) { + return; + } + // TODO: Smarter mapping here from one state to the next. + SliceItem color = SliceQuery.find(mCurrentSlice, SliceItem.TYPE_COLOR); + SliceItem[] items = mCurrentSlice.getItems(); + SliceItem actionRow = SliceQuery.find(mCurrentSlice, SliceItem.TYPE_SLICE, + Slice.HINT_ACTIONS, + Slice.HINT_ALT); + String mode = getMode(); + if (!mode.equals(mCurrentView.getMode())) { + removeAllViews(); + mCurrentView = createView(mode); + addView(mCurrentView); + addView(mActions); + } + if (items.length > 1 || (items.length != 0 && items[0] != actionRow)) { + mCurrentView.setVisibility(View.VISIBLE); + mCurrentView.setSlice(mCurrentSlice); + } else { + mCurrentView.setVisibility(View.GONE); + } + + boolean showActions = mShowActions && actionRow != null + && !mode.equals(MODE_SHORTCUT); + if (showActions) { + mActions.setActions(actionRow, color); + mActions.setVisibility(View.VISIBLE); + } else { + mActions.setVisibility(View.GONE); + } + } + + @Override + public boolean onInterceptTouchEvent(MotionEvent ev) { + // TODO -- may need to rethink for AGSA + if (ev.getActionMasked() == MotionEvent.ACTION_DOWN) { + requestDisallowInterceptTouchEvent(true); + } + return super.onInterceptTouchEvent(ev); + } + + private static void validate(Uri sliceUri) { + if (!ContentResolver.SCHEME_SLICE.equals(sliceUri.getScheme())) { + throw new RuntimeException("Invalid uri " + sliceUri); + } + if (sliceUri.getPathSegments().size() == 0) { + throw new RuntimeException("Invalid uri " + sliceUri); + } + } +} |