diff options
Diffstat (limited to 'java')
4 files changed, 181 insertions, 145 deletions
diff --git a/java/res/layout/chooser_grid_preview_image.xml b/java/res/layout/chooser_grid_preview_image.xml index 5c324140..95cee0cb 100644 --- a/java/res/layout/chooser_grid_preview_image.xml +++ b/java/res/layout/chooser_grid_preview_image.xml @@ -25,7 +25,7 @@ android:orientation="vertical" android:background="?android:attr/colorBackground"> - <com.android.intentresolver.widget.ImagePreviewView + <com.android.intentresolver.widget.ChooserImagePreviewView android:id="@androidprv:id/content_preview_image_area" android:layout_width="wrap_content" android:layout_height="wrap_content" diff --git a/java/src/com/android/intentresolver/ChooserContentPreviewUi.java b/java/src/com/android/intentresolver/ChooserContentPreviewUi.java index 88f9006f..27645da4 100644 --- a/java/src/com/android/intentresolver/ChooserContentPreviewUi.java +++ b/java/src/com/android/intentresolver/ChooserContentPreviewUi.java @@ -358,7 +358,7 @@ public final class ChooserContentPreviewUi { if (imageUris.size() == 0) { Log.i(TAG, "Attempted to display image preview area with zero" + " available images detected in EXTRA_STREAM list"); - imagePreview.setVisibility(View.GONE); + ((View) imagePreview).setVisibility(View.GONE); onTransitionTargetReady.accept(false); return contentPreviewLayout; } diff --git a/java/src/com/android/intentresolver/widget/ChooserImagePreviewView.kt b/java/src/com/android/intentresolver/widget/ChooserImagePreviewView.kt new file mode 100644 index 00000000..dd1dd286 --- /dev/null +++ b/java/src/com/android/intentresolver/widget/ChooserImagePreviewView.kt @@ -0,0 +1,175 @@ +/* + * Copyright (C) 2022 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.intentresolver.widget + +import android.animation.ObjectAnimator +import android.content.Context +import android.net.Uri +import android.util.AttributeSet +import android.view.LayoutInflater +import android.view.View +import android.view.ViewTreeObserver +import android.view.animation.DecelerateInterpolator +import android.widget.RelativeLayout +import androidx.core.view.isVisible +import com.android.intentresolver.R +import kotlinx.coroutines.Job +import kotlinx.coroutines.MainScope +import kotlinx.coroutines.coroutineScope +import kotlinx.coroutines.launch +import java.util.function.Consumer +import com.android.internal.R as IntR + +private const val IMAGE_FADE_IN_MILLIS = 150L + +class ChooserImagePreviewView : RelativeLayout, ImagePreviewView { + + constructor(context: Context) : this(context, null) + constructor(context: Context, attrs: AttributeSet?) : this(context, attrs, 0) + + constructor( + context: Context, attrs: AttributeSet?, defStyleAttr: Int + ) : this(context, attrs, defStyleAttr, 0) + + constructor( + context: Context, attrs: AttributeSet?, defStyleAttr: Int, defStyleRes: Int + ) : super(context, attrs, defStyleAttr, defStyleRes) + + private val coroutineScope = MainScope() + private lateinit var mainImage: RoundedRectImageView + private lateinit var secondLargeImage: RoundedRectImageView + private lateinit var secondSmallImage: RoundedRectImageView + private lateinit var thirdImage: RoundedRectImageView + + private var loadImageJob: Job? = null + private var onTransitionViewReadyCallback: Consumer<Boolean>? = null + + override fun onFinishInflate() { + LayoutInflater.from(context).inflate(R.layout.image_preview_view, this, true) + mainImage = requireViewById(IntR.id.content_preview_image_1_large) + secondLargeImage = requireViewById(IntR.id.content_preview_image_2_large) + secondSmallImage = requireViewById(IntR.id.content_preview_image_2_small) + thirdImage = requireViewById(IntR.id.content_preview_image_3_small) + } + + /** + * Specifies a transition animation target name and a readiness callback. The callback will be + * invoked once when the view preparation is done i.e. either when an image is loaded into it + * and it is laid out (and it is ready to be draw) or image loading has failed. + * Should be called before [setImages]. + * @param name, transition name + * @param onViewReady, a callback that will be invoked with `true` if the view is ready to + * receive transition animation (the image was loaded successfully) and with `false` otherwise. + */ + override fun setSharedElementTransitionTarget(name: String, onViewReady: Consumer<Boolean>) { + mainImage.transitionName = name + onTransitionViewReadyCallback = onViewReady + } + + override fun setImages(uris: List<Uri>, imageLoader: ImageLoader) { + loadImageJob?.cancel() + loadImageJob = coroutineScope.launch { + when (uris.size) { + 0 -> hideAllViews() + 1 -> showOneImage(uris, imageLoader) + 2 -> showTwoImages(uris, imageLoader) + else -> showThreeImages(uris, imageLoader) + } + } + } + + private fun hideAllViews() { + mainImage.isVisible = false + secondLargeImage.isVisible = false + secondSmallImage.isVisible = false + thirdImage.isVisible = false + invokeTransitionViewReadyCallback(runTransitionAnimation = false) + } + + private suspend fun showOneImage(uris: List<Uri>, imageLoader: ImageLoader) { + secondLargeImage.isVisible = false + secondSmallImage.isVisible = false + thirdImage.isVisible = false + showImages(uris, imageLoader, mainImage) + } + + private suspend fun showTwoImages(uris: List<Uri>, imageLoader: ImageLoader) { + secondSmallImage.isVisible = false + thirdImage.isVisible = false + showImages(uris, imageLoader, mainImage, secondLargeImage) + } + + private suspend fun showThreeImages(uris: List<Uri>, imageLoader: ImageLoader) { + secondLargeImage.isVisible = false + showImages(uris, imageLoader, mainImage, secondSmallImage, thirdImage) + thirdImage.setExtraImageCount(uris.size - 3) + } + + private suspend fun showImages( + uris: List<Uri>, imageLoader: ImageLoader, vararg views: RoundedRectImageView + ) = coroutineScope { + for (i in views.indices) { + launch { + loadImageIntoView(views[i], uris[i], imageLoader) + } + } + } + + private suspend fun loadImageIntoView( + view: RoundedRectImageView, uri: Uri, imageLoader: ImageLoader + ) { + val bitmap = runCatching { + imageLoader(uri) + }.getOrDefault(null) + if (bitmap == null) { + view.isVisible = false + if (view === mainImage) { + invokeTransitionViewReadyCallback(runTransitionAnimation = false) + } + } else { + view.isVisible = true + view.setImageBitmap(bitmap) + + view.alpha = 0f + ObjectAnimator.ofFloat(view, "alpha", 0.0f, 1.0f).apply { + interpolator = DecelerateInterpolator(1.0f) + duration = IMAGE_FADE_IN_MILLIS + start() + } + if (view === mainImage && onTransitionViewReadyCallback != null) { + setupPreDrawListener(mainImage) + } + } + } + + private fun setupPreDrawListener(view: View) { + view.viewTreeObserver.addOnPreDrawListener( + object : ViewTreeObserver.OnPreDrawListener { + override fun onPreDraw(): Boolean { + view.viewTreeObserver.removeOnPreDrawListener(this) + invokeTransitionViewReadyCallback(runTransitionAnimation = true) + return true + } + } + ) + } + + private fun invokeTransitionViewReadyCallback(runTransitionAnimation: Boolean) { + onTransitionViewReadyCallback?.accept(runTransitionAnimation) + onTransitionViewReadyCallback = null + } +} diff --git a/java/src/com/android/intentresolver/widget/ImagePreviewView.kt b/java/src/com/android/intentresolver/widget/ImagePreviewView.kt index c61c7c72..a5756054 100644 --- a/java/src/com/android/intentresolver/widget/ImagePreviewView.kt +++ b/java/src/com/android/intentresolver/widget/ImagePreviewView.kt @@ -16,58 +16,13 @@ package com.android.intentresolver.widget -import android.animation.ObjectAnimator -import android.content.Context import android.graphics.Bitmap import android.net.Uri -import android.util.AttributeSet -import android.view.LayoutInflater -import android.view.View -import android.view.ViewTreeObserver -import android.view.animation.DecelerateInterpolator -import android.widget.RelativeLayout -import androidx.core.view.isVisible -import com.android.intentresolver.R -import kotlinx.coroutines.Job -import kotlinx.coroutines.MainScope -import kotlinx.coroutines.coroutineScope -import kotlinx.coroutines.launch import java.util.function.Consumer -import com.android.internal.R as IntR -private typealias ImageLoader = suspend (Uri) -> Bitmap? +internal typealias ImageLoader = suspend (Uri) -> Bitmap? -private const val IMAGE_FADE_IN_MILLIS = 150L - -class ImagePreviewView : RelativeLayout { - - constructor(context: Context) : this(context, null) - constructor(context: Context, attrs: AttributeSet?) : this(context, attrs, 0) - - constructor( - context: Context, attrs: AttributeSet?, defStyleAttr: Int - ) : this(context, attrs, defStyleAttr, 0) - - constructor( - context: Context, attrs: AttributeSet?, defStyleAttr: Int, defStyleRes: Int - ) : super(context, attrs, defStyleAttr, defStyleRes) - - private val coroutineScope = MainScope() - private lateinit var mainImage: RoundedRectImageView - private lateinit var secondLargeImage: RoundedRectImageView - private lateinit var secondSmallImage: RoundedRectImageView - private lateinit var thirdImage: RoundedRectImageView - - private var loadImageJob: Job? = null - private var onTransitionViewReadyCallback: Consumer<Boolean>? = null - - override fun onFinishInflate() { - LayoutInflater.from(context).inflate(R.layout.image_preview_view, this, true) - mainImage = requireViewById(IntR.id.content_preview_image_1_large) - secondLargeImage = requireViewById(IntR.id.content_preview_image_2_large) - secondSmallImage = requireViewById(IntR.id.content_preview_image_2_small) - thirdImage = requireViewById(IntR.id.content_preview_image_3_small) - } +interface ImagePreviewView { /** * Specifies a transition animation target name and a readiness callback. The callback will be @@ -78,101 +33,7 @@ class ImagePreviewView : RelativeLayout { * @param onViewReady, a callback that will be invoked with `true` if the view is ready to * receive transition animation (the image was loaded successfully) and with `false` otherwise. */ - fun setSharedElementTransitionTarget(name: String, onViewReady: Consumer<Boolean>) { - mainImage.transitionName = name - onTransitionViewReadyCallback = onViewReady - } - - fun setImages(uris: List<Uri>, imageLoader: ImageLoader) { - loadImageJob?.cancel() - loadImageJob = coroutineScope.launch { - when (uris.size) { - 0 -> hideAllViews() - 1 -> showOneImage(uris, imageLoader) - 2 -> showTwoImages(uris, imageLoader) - else -> showThreeImages(uris, imageLoader) - } - } - } - - private fun hideAllViews() { - mainImage.isVisible = false - secondLargeImage.isVisible = false - secondSmallImage.isVisible = false - thirdImage.isVisible = false - invokeTransitionViewReadyCallback(runTransitionAnimation = false) - } - - private suspend fun showOneImage(uris: List<Uri>, imageLoader: ImageLoader) { - secondLargeImage.isVisible = false - secondSmallImage.isVisible = false - thirdImage.isVisible = false - showImages(uris, imageLoader, mainImage) - } - - private suspend fun showTwoImages(uris: List<Uri>, imageLoader: ImageLoader) { - secondSmallImage.isVisible = false - thirdImage.isVisible = false - showImages(uris, imageLoader, mainImage, secondLargeImage) - } - - private suspend fun showThreeImages(uris: List<Uri>, imageLoader: ImageLoader) { - secondLargeImage.isVisible = false - showImages(uris, imageLoader, mainImage, secondSmallImage, thirdImage) - thirdImage.setExtraImageCount(uris.size - 3) - } - - private suspend fun showImages( - uris: List<Uri>, imageLoader: ImageLoader, vararg views: RoundedRectImageView - ) = coroutineScope { - for (i in views.indices) { - launch { - loadImageIntoView(views[i], uris[i], imageLoader) - } - } - } - - private suspend fun loadImageIntoView( - view: RoundedRectImageView, uri: Uri, imageLoader: ImageLoader - ) { - val bitmap = runCatching { - imageLoader(uri) - }.getOrDefault(null) - if (bitmap == null) { - view.isVisible = false - if (view === mainImage) { - invokeTransitionViewReadyCallback(runTransitionAnimation = false) - } - } else { - view.isVisible = true - view.setImageBitmap(bitmap) - - view.alpha = 0f - ObjectAnimator.ofFloat(view, "alpha", 0.0f, 1.0f).apply { - interpolator = DecelerateInterpolator(1.0f) - duration = IMAGE_FADE_IN_MILLIS - start() - } - if (view === mainImage && onTransitionViewReadyCallback != null) { - setupPreDrawListener(mainImage) - } - } - } - - private fun setupPreDrawListener(view: View) { - view.viewTreeObserver.addOnPreDrawListener( - object : ViewTreeObserver.OnPreDrawListener { - override fun onPreDraw(): Boolean { - view.viewTreeObserver.removeOnPreDrawListener(this) - invokeTransitionViewReadyCallback(runTransitionAnimation = true) - return true - } - } - ) - } + fun setSharedElementTransitionTarget(name: String, onViewReady: Consumer<Boolean>) - private fun invokeTransitionViewReadyCallback(runTransitionAnimation: Boolean) { - onTransitionViewReadyCallback?.accept(runTransitionAnimation) - onTransitionViewReadyCallback = null - } + fun setImages(uris: List<Uri>, imageLoader: ImageLoader) } |