Merge "Launcher changes to support dynamic coloring on static widgets." into sc-dev
diff --git a/res/values/config.xml b/res/values/config.xml
index 89415b8..8184c98 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -90,6 +90,7 @@
<string name="wallpaper_picker_package" translatable="false"></string>
<string name="calendar_component_name" translatable="false"></string>
<string name="clock_component_name" translatable="false"></string>
+ <string name="local_colors_extraction_class" translatable="false"></string>
<!-- Accessibility actions -->
<item type="id" name="action_remove" />
@@ -188,4 +189,8 @@
</string-array>
<string-array name="filtered_components" ></string-array>
+
+ <!-- Name of the class used to generate colors from the wallpaper colors. Must be implementing the LauncherAppWidgetHostView.ColorGenerator interface. -->
+ <string name="color_generator_class" translatable="false"/>
+
</resources>
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 87fb6fb..0cc965c 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -186,7 +186,6 @@
@Thunk final Launcher mLauncher;
@Thunk DragController mDragController;
- private final Rect mTempRect = new Rect();
private final int[] mTempXY = new int[2];
private final float[] mTempFXY = new float[2];
@Thunk float[] mDragViewVisualCenter = new float[2];
@@ -367,10 +366,19 @@
}
public float getWallpaperOffsetForCenterPage() {
- int pageScroll = getScrollForPage(getPageNearestToCenterOfScreen());
+ return getWallpaperOffsetForPage(getPageNearestToCenterOfScreen());
+ }
+
+ private float getWallpaperOffsetForPage(int page) {
+ int pageScroll = getScrollForPage(page);
return mWallpaperOffset.wallpaperOffsetForScroll(pageScroll);
}
+ /** Returns the number of pages used for the wallpaper parallax. */
+ public int getNumPagesForWallpaperParallax() {
+ return mWallpaperOffset.getNumPagesForWallpaperParallax();
+ }
+
public Rect estimateItemPosition(CellLayout cl, int hCell, int vCell, int hSpan, int vSpan) {
Rect r = new Rect();
cl.cellToRect(hCell, vCell, hSpan, vSpan, r);
diff --git a/src/com/android/launcher3/settings/DeveloperOptionsFragment.java b/src/com/android/launcher3/settings/DeveloperOptionsFragment.java
index c9fb956..8d676c9 100644
--- a/src/com/android/launcher3/settings/DeveloperOptionsFragment.java
+++ b/src/com/android/launcher3/settings/DeveloperOptionsFragment.java
@@ -88,7 +88,6 @@
private PreferenceCategory mPluginsCategory;
private FlagTogglerPrefUi mFlagTogglerPrefUi;
-
@Override
public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_ADDED);
diff --git a/src/com/android/launcher3/util/WallpaperOffsetInterpolator.java b/src/com/android/launcher3/util/WallpaperOffsetInterpolator.java
index 2ad80cf..b8554e4 100644
--- a/src/com/android/launcher3/util/WallpaperOffsetInterpolator.java
+++ b/src/com/android/launcher3/util/WallpaperOffsetInterpolator.java
@@ -145,14 +145,17 @@
msg.sendToTarget();
}
- private void updateOffset() {
- int numPagesForWallpaperParallax;
+ /** Returns the number of pages used for the wallpaper parallax. */
+ public int getNumPagesForWallpaperParallax() {
if (mWallpaperIsLiveWallpaper) {
- numPagesForWallpaperParallax = mNumScreens;
+ return mNumScreens;
} else {
- numPagesForWallpaperParallax = Math.max(MIN_PARALLAX_PAGE_SPAN, mNumScreens);
+ return Math.max(MIN_PARALLAX_PAGE_SPAN, mNumScreens);
}
- Message.obtain(mHandler, MSG_SET_NUM_PARALLAX, numPagesForWallpaperParallax, 0,
+ }
+
+ private void updateOffset() {
+ Message.obtain(mHandler, MSG_SET_NUM_PARALLAX, getNumPagesForWallpaperParallax(), 0,
mWindowToken).sendToTarget();
}
diff --git a/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java b/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java
index 3285c18..df01295 100644
--- a/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java
+++ b/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java
@@ -16,12 +16,17 @@
package com.android.launcher3.widget;
+import android.app.WallpaperManager;
import android.appwidget.AppWidgetProviderInfo;
import android.content.Context;
import android.content.res.Configuration;
+import android.graphics.Rect;
+import android.graphics.RectF;
import android.os.Handler;
import android.os.SystemClock;
+import android.util.Log;
import android.util.SparseBooleanArray;
+import android.util.SparseIntArray;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
@@ -32,10 +37,13 @@
import android.widget.Advanceable;
import android.widget.RemoteViews;
+import androidx.annotation.Nullable;
+
import com.android.launcher3.CheckLongPressHelper;
import com.android.launcher3.Launcher;
import com.android.launcher3.R;
import com.android.launcher3.Utilities;
+import com.android.launcher3.Workspace;
import com.android.launcher3.dragndrop.DragLayer;
import com.android.launcher3.model.data.ItemInfo;
import com.android.launcher3.model.data.LauncherAppWidgetInfo;
@@ -43,11 +51,16 @@
import com.android.launcher3.util.Themes;
import com.android.launcher3.views.BaseDragLayer.TouchCompleteListener;
+import java.util.List;
+
/**
* {@inheritDoc}
*/
public class LauncherAppWidgetHostView extends NavigableAppWidgetHostView
- implements TouchCompleteListener, View.OnLongClickListener {
+ implements TouchCompleteListener, View.OnLongClickListener,
+ LocalColorExtractor.Listener {
+
+ private static final String LOG_TAG = "LauncherAppWidgetHostView";
// Related to the auto-advancing of widgets
private static final long ADVANCE_INTERVAL = 20000;
@@ -60,18 +73,29 @@
private final CheckLongPressHelper mLongPressHelper;
protected final Launcher mLauncher;
+ private final Workspace mWorkspace;
+ private final WallpaperManager mWallpaperManager;
@ViewDebug.ExportedProperty(category = "launcher")
private boolean mReinflateOnConfigChange;
+ // Maintain the color manager.
+ private final LocalColorExtractor mColorExtractor;
+
private boolean mIsScrollable;
private boolean mIsAttachedToWindow;
private boolean mIsAutoAdvanceRegistered;
private Runnable mAutoAdvanceRunnable;
+ private RectF mLastLocationRegistered = null;
+ // Used to store the widget size during onLayout.
+ private final Rect mCurrentWidgetSize = new Rect();
+ private final RectF mTempRectF = new RectF();
+ private final boolean mIsRtl;
public LauncherAppWidgetHostView(Context context) {
super(context);
mLauncher = Launcher.getLauncher(context);
+ mWorkspace = mLauncher.getWorkspace();
mLongPressHelper = new CheckLongPressHelper(this, this);
mInflater = LayoutInflater.from(context);
setAccessibilityDelegate(mLauncher.getAccessibilityDelegate());
@@ -81,6 +105,19 @@
if (Utilities.ATLEAST_Q && Themes.getAttrBoolean(mLauncher, R.attr.isWorkspaceDarkText)) {
setOnLightBackground(true);
}
+ mIsRtl = Utilities.isRtl(context.getResources());
+ mWallpaperManager = WallpaperManager.getInstance(getContext());
+ mColorExtractor = LocalColorExtractor.newInstance(getContext());
+ mColorExtractor.setListener(this);
+ }
+
+ @Override
+ public void setColorResources(@Nullable SparseIntArray colors) {
+ if (colors == null) {
+ resetColorResources();
+ } else {
+ super.setColorResources(colors);
+ }
}
@Override
@@ -167,6 +204,7 @@
// state is updated. So isAttachedToWindow() will return true until next frame.
mIsAttachedToWindow = false;
checkIfAutoAdvance();
+ mColorExtractor.removeLocations();
}
@Override
@@ -213,6 +251,78 @@
}
mIsScrollable = checkScrollableRecursively(this);
+
+ mCurrentWidgetSize.left = left;
+ mCurrentWidgetSize.top = top;
+ mCurrentWidgetSize.right = right;
+ mCurrentWidgetSize.bottom = bottom;
+ updateColorExtraction(mCurrentWidgetSize);
+ }
+
+ private void updateColorExtraction(Rect widgetLocation) {
+ // If the widget hasn't been measured and laid out, we cannot do this.
+ if (widgetLocation.isEmpty()) {
+ return;
+ }
+ LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) getTag();
+ if (info != null) {
+ int screenWidth = mLauncher.getDeviceProfile().widthPx;
+ int screenHeight = mLauncher.getDeviceProfile().heightPx;
+ int numScreens = mWorkspace.getNumPagesForWallpaperParallax();
+ int screenId = mIsRtl ? numScreens - info.screenId : info.screenId;
+ float relativeScreenWidth = 1f / numScreens;
+ float absoluteTop = widgetLocation.top;
+ float absoluteBottom = widgetLocation.bottom;
+ for (View v = (View) getParent();
+ v != null && v.getId() != R.id.launcher;
+ v = (View) v.getParent()) {
+ absoluteBottom += v.getTop();
+ absoluteTop += v.getTop();
+ }
+ float xOffset = 0;
+ View parentView = (View) getParent();
+ // The layout depends on the orientation.
+ if (getResources().getConfiguration().orientation
+ == Configuration.ORIENTATION_LANDSCAPE) {
+ xOffset = screenHeight - mWorkspace.getPaddingRight()
+ - parentView.getWidth();
+ } else {
+ xOffset = mWorkspace.getPaddingLeft() + parentView.getPaddingLeft();
+ }
+ // This is the position of the widget relative to the wallpaper, as expected by the
+ // local color extraction of the WallpaperManager.
+ // The coordinate system is such that, on the horizontal axis, each screen has a
+ // distinct range on the [0,1] segment. So if there are 3 screens, they will have the
+ // ranges [0, 1/3], [1/3, 2/3] and [2/3, 1]. The position on the subrange should be
+ // the position of the widget relative to the screen. For the vertical axis, this is
+ // simply the location of the widget relative to the screen.
+ mTempRectF.left = ((widgetLocation.left + xOffset) / screenWidth + screenId)
+ * relativeScreenWidth;
+ mTempRectF.right = ((widgetLocation.right + xOffset) / screenWidth + screenId)
+ * relativeScreenWidth;
+ mTempRectF.top = absoluteTop / screenHeight;
+ mTempRectF.bottom = absoluteBottom / screenHeight;
+ if (mTempRectF.left < 0 || mTempRectF.right > 1 || mTempRectF.top < 0
+ || mTempRectF.bottom > 1) {
+ Log.e(LOG_TAG, " Error, invalid relative position");
+ return;
+ }
+ if (!mTempRectF.equals(mLastLocationRegistered)) {
+ if (mLastLocationRegistered != null) {
+ mColorExtractor.removeLocations();
+ }
+ mLastLocationRegistered = new RectF(mTempRectF);
+ mColorExtractor.addLocation(List.of(mLastLocationRegistered));
+ }
+ } else {
+ mColorExtractor.removeLocations();
+ }
+ }
+
+ @Override
+ public void onColorsChanged(RectF rectF, SparseIntArray colors) {
+ // setColorResources will reapply the view, which must happen in the UI thread.
+ post(() -> setColorResources(colors));
}
@Override
@@ -225,6 +335,14 @@
protected void onWindowVisibilityChanged(int visibility) {
super.onWindowVisibilityChanged(visibility);
maybeRegisterAutoAdvance();
+
+ if (visibility == View.VISIBLE) {
+ if (mLastLocationRegistered != null) {
+ mColorExtractor.addLocation(List.of(mLastLocationRegistered));
+ }
+ } else {
+ mColorExtractor.removeLocations();
+ }
}
private void checkIfAutoAdvance() {
diff --git a/src/com/android/launcher3/widget/LocalColorExtractor.java b/src/com/android/launcher3/widget/LocalColorExtractor.java
new file mode 100644
index 0000000..097158b
--- /dev/null
+++ b/src/com/android/launcher3/widget/LocalColorExtractor.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2009 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 com.android.launcher3.widget;
+
+import android.appwidget.AppWidgetHostView;
+import android.content.Context;
+import android.graphics.RectF;
+import android.util.SparseIntArray;
+
+import androidx.annotation.Nullable;
+
+import com.android.launcher3.R;
+import com.android.launcher3.util.ResourceBasedOverride;
+
+import java.util.List;
+
+/** Extracts the colors we need from the wallpaper at given locations. */
+public class LocalColorExtractor implements ResourceBasedOverride {
+
+ /** Listener for color changes on a screen location. */
+ public interface Listener {
+ /**
+ * Method called when the colors on a registered location has changed.
+ *
+ * {@code extractedColors} maps the color resources {@code android.R.colors.system_*} to
+ * their value, in a format that can be passed directly to
+ * {@link AppWidgetHostView#setColorResources(SparseIntArray)}.
+ */
+ void onColorsChanged(RectF rect, SparseIntArray extractedColors);
+ }
+
+ static LocalColorExtractor newInstance(Context context) {
+ return Overrides.getObject(LocalColorExtractor.class, context.getApplicationContext(),
+ R.string.local_colors_extraction_class);
+ }
+
+ /** Sets the object that will receive the color changes. */
+ public void setListener(@Nullable Listener listener) {
+ // no-op
+ }
+
+ /** Adds a list of locations to track with this listener. */
+ public void addLocation(List<RectF> locations) {
+ // no-op
+ }
+
+ /** Stops tracking any locations. */
+ public void removeLocations() {
+ // no-op
+ }
+}
diff --git a/tests/AndroidManifest-common.xml b/tests/AndroidManifest-common.xml
index 744dee0..7f6c8f8 100644
--- a/tests/AndroidManifest-common.xml
+++ b/tests/AndroidManifest-common.xml
@@ -60,6 +60,17 @@
android:resource="@xml/appwidget_with_config"/>
</receiver>
+ <receiver
+ android:name="com.android.launcher3.testcomponent.AppWidgetDynamicColors"
+ android:exported="true"
+ android:label="Dynamic Colors">
+ <intent-filter>
+ <action android:name="android.appwidget.action.APPWIDGET_UPDATE"/>
+ </intent-filter>
+ <meta-data android:name="android.appwidget.provider"
+ android:resource="@xml/appwidget_dynamic_colors"/>
+ </receiver>
+
<activity
android:name="com.android.launcher3.testcomponent.WidgetConfigActivity"
android:exported="true">
diff --git a/tests/res/layout/test_layout_appwidget_dynamic_colors.xml b/tests/res/layout/test_layout_appwidget_dynamic_colors.xml
new file mode 100644
index 0000000..c5ab030
--- /dev/null
+++ b/tests/res/layout/test_layout_appwidget_dynamic_colors.xml
@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+ xmlns:android="http://schemas.android.com/apk/res/android"
+ android:orientation="vertical"
+ android:background="?android:attr/colorBackground"
+ android:padding="8dp"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent">
+ <LinearLayout
+ android:orientation = "horizontal"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content">
+ <TextView
+ android:layout_width="0dp"
+ android:layout_height="wrap_content"
+ android:layout_weight="1"
+ android:text="prim"/>
+ <ImageView
+ android:layout_width="24dp"
+ android:layout_height="24dp"
+ android:background="@android:color/system_primary_500"/>
+ </LinearLayout>
+ <LinearLayout
+ android:orientation = "horizontal"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content">
+ <TextView
+ android:layout_width="0dp"
+ android:layout_height="wrap_content"
+ android:layout_weight="1"
+ android:text="second"/>
+ <ImageView
+ android:layout_width="24dp"
+ android:layout_height="24dp"
+ android:background="@android:color/system_secondary_500"/>
+ </LinearLayout>
+ <LinearLayout
+ android:orientation = "horizontal"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content">
+ <TextView
+ android:layout_width="0dp"
+ android:layout_height="wrap_content"
+ android:layout_weight="1"
+ android:text="neutral"/>
+ <ImageView
+ android:layout_width="24dp"
+ android:layout_height="24dp"
+ android:background="@android:color/system_neutral_500"/>
+ </LinearLayout>
+
+ </LinearLayout>
\ No newline at end of file
diff --git a/tests/res/xml/appwidget_dynamic_colors.xml b/tests/res/xml/appwidget_dynamic_colors.xml
new file mode 100644
index 0000000..f6b9a04
--- /dev/null
+++ b/tests/res/xml/appwidget_dynamic_colors.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<appwidget-provider
+ xmlns:android="http://schemas.android.com/apk/res/android"
+ android:minWidth="1dp"
+ android:minHeight="1dp"
+ android:updatePeriodMillis="0"
+ android:initialLayout="@layout/test_layout_appwidget_dynamic_colors"
+ android:resizeMode="horizontal|vertical"
+ android:widgetCategory="home_screen">
+</appwidget-provider>
\ No newline at end of file
diff --git a/tests/src/com/android/launcher3/testcomponent/AppWidgetDynamicColors.java b/tests/src/com/android/launcher3/testcomponent/AppWidgetDynamicColors.java
new file mode 100644
index 0000000..5fb3454
--- /dev/null
+++ b/tests/src/com/android/launcher3/testcomponent/AppWidgetDynamicColors.java
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2013 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 com.android.launcher3.testcomponent;
+
+import android.appwidget.AppWidgetProvider;
+
+/**
+ * A simple app widget showing a primary, secondary and neutral color.
+ */
+public class AppWidgetDynamicColors extends AppWidgetProvider {
+}