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/* * Copyright (C) 2014 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.support.v7.internal.widget; import android.content.Context; import android.content.res.ColorStateList; import android.content.res.Resources; import android.graphics.PorterDuff; import android.graphics.PorterDuffColorFilter; import android.graphics.drawable.Drawable; import android.os.Build; import android.support.v4.content.ContextCompat; import android.support.v4.graphics.drawable.DrawableCompat; import android.support.v4.util.LruCache; import android.support.v7.appcompat.R; import android.util.Log; import android.util.SparseArray; import android.util.TypedValue; import android.view.View; import static android.support.v7.internal.widget.ThemeUtils.getDisabledThemeAttrColor; import static android.support.v7.internal.widget.ThemeUtils.getThemeAttrColor; import static android.support.v7.internal.widget.ThemeUtils.getThemeAttrColorStateList; /** * @hide */ public final class TintManager { static final boolean SHOULD_BE_USED = Build.VERSION.SDK_INT < 21; private static final String TAG = TintManager.class.getSimpleName(); private static final boolean DEBUG = false; static final PorterDuff.Mode DEFAULT_MODE = PorterDuff.Mode.SRC_IN; private static final ColorFilterLruCache COLOR_FILTER_CACHE = new ColorFilterLruCache(6); /** * Drawables which should be tinted with the value of {@code R.attr.colorControlNormal}, * using the default mode. */ private static final int[] TINT_COLOR_CONTROL_NORMAL = { R.drawable.abc_ic_ab_back_mtrl_am_alpha, R.drawable.abc_ic_go_search_api_mtrl_alpha, R.drawable.abc_ic_search_api_mtrl_alpha, R.drawable.abc_ic_commit_search_api_mtrl_alpha, R.drawable.abc_ic_clear_mtrl_alpha, R.drawable.abc_ic_menu_share_mtrl_alpha, R.drawable.abc_ic_menu_copy_mtrl_am_alpha, R.drawable.abc_ic_menu_cut_mtrl_alpha, R.drawable.abc_ic_menu_selectall_mtrl_alpha, R.drawable.abc_ic_menu_paste_mtrl_am_alpha, R.drawable.abc_ic_menu_moreoverflow_mtrl_alpha, R.drawable.abc_ic_voice_search_api_mtrl_alpha, R.drawable.abc_textfield_search_default_mtrl_alpha, R.drawable.abc_textfield_default_mtrl_alpha, R.drawable.abc_ab_share_pack_mtrl_alpha }; /** * Drawables which should be tinted with the value of {@code R.attr.colorControlActivated}, * using the default mode. */ private static final int[] TINT_COLOR_CONTROL_ACTIVATED = { R.drawable.abc_textfield_activated_mtrl_alpha, R.drawable.abc_textfield_search_activated_mtrl_alpha, R.drawable.abc_cab_background_top_mtrl_alpha, R.drawable.abc_text_cursor_mtrl_alpha }; /** * Drawables which should be tinted with the value of {@code android.R.attr.colorBackground}, * using the {@link android.graphics.PorterDuff.Mode#MULTIPLY} mode. */ private static final int[] TINT_COLOR_BACKGROUND_MULTIPLY = { R.drawable.abc_popup_background_mtrl_mult, R.drawable.abc_cab_background_internal_bg, R.drawable.abc_menu_hardkey_panel_mtrl_mult }; /** * Drawables which should be tinted using a state list containing values of * {@code R.attr.colorControlNormal} and {@code R.attr.colorControlActivated} */ private static final int[] TINT_COLOR_CONTROL_STATE_LIST = { R.drawable.abc_edit_text_material, R.drawable.abc_tab_indicator_material, R.drawable.abc_textfield_search_material, R.drawable.abc_spinner_mtrl_am_alpha, R.drawable.abc_btn_check_material, R.drawable.abc_btn_radio_material, R.drawable.abc_spinner_textfield_background_material, R.drawable.abc_ratingbar_full_material, R.drawable.abc_switch_track_mtrl_alpha, R.drawable.abc_switch_thumb_material, R.drawable.abc_btn_default_mtrl_shape, R.drawable.abc_btn_borderless_material }; /** * Drawables which contain other drawables which should be tinted. The child drawable IDs * should be defined in one of the arrays above. */ private static final int[] CONTAINERS_WITH_TINT_CHILDREN = { R.drawable.abc_cab_background_top_material }; private final Context mContext; private final Resources mResources; private final TypedValue mTypedValue; private final SparseArray<ColorStateList> mColorStateLists; private ColorStateList mDefaultColorStateList; /** * A helper method to instantiate a {@link TintManager} and then call {@link #getDrawable(int)}. * This method should not be used routinely. */ public static Drawable getDrawable(Context context, int resId) { if (isInTintList(resId)) { final TintManager tm = (context instanceof TintContextWrapper) ? ((TintContextWrapper) context).getTintManager() : new TintManager(context); return tm.getDrawable(resId); } else { return ContextCompat.getDrawable(context, resId); } } public TintManager(Context context) { mColorStateLists = new SparseArray<>(); mContext = context; mTypedValue = new TypedValue(); mResources = new TintResources(context.getResources(), this); } Resources getResources() { return mResources; } public Drawable getDrawable(int resId) { Drawable drawable = ContextCompat.getDrawable(mContext, resId); if (drawable != null) { drawable = drawable.mutate(); if (arrayContains(TINT_COLOR_CONTROL_STATE_LIST, resId)) { ColorStateList colorStateList = getColorStateListForKnownDrawableId(resId); PorterDuff.Mode tintMode = DEFAULT_MODE; if (resId == R.drawable.abc_switch_thumb_material) { tintMode = PorterDuff.Mode.MULTIPLY; } if (colorStateList != null) { drawable = DrawableCompat.wrap(drawable); DrawableCompat.setTintList(drawable, colorStateList); DrawableCompat.setTintMode(drawable, tintMode); } } else if (arrayContains(CONTAINERS_WITH_TINT_CHILDREN, resId)) { drawable = mResources.getDrawable(resId); } else { tintDrawable(resId, drawable); } } return drawable; } void tintDrawable(final int resId, final Drawable drawable) { PorterDuff.Mode tintMode = null; boolean colorAttrSet = false; int colorAttr = 0; int alpha = -1; if (arrayContains(TINT_COLOR_CONTROL_NORMAL, resId)) { colorAttr = R.attr.colorControlNormal; colorAttrSet = true; } else if (arrayContains(TINT_COLOR_CONTROL_ACTIVATED, resId)) { colorAttr = R.attr.colorControlActivated; colorAttrSet = true; } else if (arrayContains(TINT_COLOR_BACKGROUND_MULTIPLY, resId)) { colorAttr = android.R.attr.colorBackground; colorAttrSet = true; tintMode = PorterDuff.Mode.MULTIPLY; } else if (resId == R.drawable.abc_list_divider_mtrl_alpha) { colorAttr = android.R.attr.colorForeground; colorAttrSet = true; alpha = Math.round(0.16f * 255); } if (colorAttrSet) { if (tintMode == null) { tintMode = DEFAULT_MODE; } final int color = getThemeAttrColor(mContext, colorAttr); tintDrawableUsingColorFilter(drawable, color, tintMode); if (alpha != -1) { drawable.setAlpha(alpha); } if (DEBUG) { Log.d(TAG, "Tinted Drawable ID: " + mResources.getResourceName(resId) + " with color: #" + Integer.toHexString(color)); } } } private static boolean arrayContains(int[] array, int value) { for (int id : array) { if (id == value) { return true; } } return false; } private static boolean isInTintList(int drawableId) { return arrayContains(TINT_COLOR_BACKGROUND_MULTIPLY, drawableId) || arrayContains(TINT_COLOR_CONTROL_NORMAL, drawableId) || arrayContains(TINT_COLOR_CONTROL_ACTIVATED, drawableId) || arrayContains(TINT_COLOR_CONTROL_STATE_LIST, drawableId) || arrayContains(CONTAINERS_WITH_TINT_CHILDREN, drawableId); } ColorStateList getColorStateList(int resId) { return arrayContains(TINT_COLOR_CONTROL_STATE_LIST, resId) ? getColorStateListForKnownDrawableId(resId) : null; } private ColorStateList getColorStateListForKnownDrawableId(int resId) { // Try the cache first ColorStateList colorStateList = mColorStateLists.get(resId); if (colorStateList == null) { // ...if the cache did not contain a color state list, try and create if (resId == R.drawable.abc_edit_text_material) { colorStateList = createEditTextColorStateList(); } else if (resId == R.drawable.abc_switch_track_mtrl_alpha) { colorStateList = createSwitchTrackColorStateList(); } else if (resId == R.drawable.abc_switch_thumb_material) { colorStateList = createSwitchThumbColorStateList(); } else if (resId == R.drawable.abc_btn_default_mtrl_shape || resId == R.drawable.abc_btn_borderless_material) { colorStateList = createButtonColorStateList(); } else if (resId == R.drawable.abc_spinner_mtrl_am_alpha || resId == R.drawable.abc_spinner_textfield_background_material) { colorStateList = createSpinnerColorStateList(); } else { // If we don't have an explicit color state list for this Drawable, use the default colorStateList = getDefaultColorStateList(); } // ..and add it to the cache mColorStateLists.append(resId, colorStateList); } return colorStateList; } private ColorStateList getDefaultColorStateList() { if (mDefaultColorStateList == null) { /** * Generate the default color state list which uses the colorControl attributes. * Order is important here. The default enabled state needs to go at the bottom. */ final int colorControlNormal = getThemeAttrColor(mContext, R.attr.colorControlNormal); final int colorControlActivated = getThemeAttrColor(mContext, R.attr.colorControlActivated); final int[][] states = new int[7][]; final int[] colors = new int[7]; int i = 0; // Disabled state states[i] = new int[] { -android.R.attr.state_enabled }; colors[i] = getDisabledThemeAttrColor(mContext, R.attr.colorControlNormal); i++; states[i] = new int[] { android.R.attr.state_focused }; colors[i] = colorControlActivated; i++; states[i] = new int[] { android.R.attr.state_activated }; colors[i] = colorControlActivated; i++; states[i] = new int[] { android.R.attr.state_pressed }; colors[i] = colorControlActivated; i++; states[i] = new int[] { android.R.attr.state_checked }; colors[i] = colorControlActivated; i++; states[i] = new int[] { android.R.attr.state_selected }; colors[i] = colorControlActivated; i++; // Default enabled state states[i] = new int[0]; colors[i] = colorControlNormal; i++; mDefaultColorStateList = new ColorStateList(states, colors); } return mDefaultColorStateList; } private ColorStateList createSwitchTrackColorStateList() { final int[][] states = new int[3][]; final int[] colors = new int[3]; int i = 0; // Disabled state states[i] = new int[] { -android.R.attr.state_enabled }; colors[i] = getThemeAttrColor(mContext, android.R.attr.colorForeground, 0.1f); i++; states[i] = new int[] { android.R.attr.state_checked }; colors[i] = getThemeAttrColor(mContext, R.attr.colorControlActivated, 0.3f); i++; // Default enabled state states[i] = new int[0]; colors[i] = getThemeAttrColor(mContext, android.R.attr.colorForeground, 0.3f); i++; return new ColorStateList(states, colors); } private ColorStateList createSwitchThumbColorStateList() { final int[][] states = new int[3][]; final int[] colors = new int[3]; int i = 0; final ColorStateList thumbColor = getThemeAttrColorStateList(mContext, R.attr.colorSwitchThumbNormal); if (thumbColor != null && thumbColor.isStateful()) { // If colorSwitchThumbNormal is a valid ColorStateList, extract the default and // disabled colors from it // Disabled state states[i] = new int[] { -android.R.attr.state_enabled }; colors[i] = thumbColor.getColorForState(states[i], 0); i++; states[i] = new int[] { android.R.attr.state_checked }; colors[i] = getThemeAttrColor(mContext, R.attr.colorControlActivated); i++; // Default enabled state states[i] = new int[0]; colors[i] = thumbColor.getDefaultColor(); i++; } else { // Else we'll use an approximation using the default disabled alpha // Disabled state states[i] = new int[] { -android.R.attr.state_enabled }; colors[i] = getDisabledThemeAttrColor(mContext, R.attr.colorSwitchThumbNormal); i++; states[i] = new int[] { android.R.attr.state_checked }; colors[i] = getThemeAttrColor(mContext, R.attr.colorControlActivated); i++; // Default enabled state states[i] = new int[0]; colors[i] = getThemeAttrColor(mContext, R.attr.colorSwitchThumbNormal); i++; } return new ColorStateList(states, colors); } private ColorStateList createEditTextColorStateList() { final int[][] states = new int[3][]; final int[] colors = new int[3]; int i = 0; // Disabled state states[i] = new int[] { -android.R.attr.state_enabled }; colors[i] = getDisabledThemeAttrColor(mContext, R.attr.colorControlNormal); i++; states[i] = new int[] { -android.R.attr.state_pressed, -android.R.attr.state_focused }; colors[i] = getThemeAttrColor(mContext, R.attr.colorControlNormal); i++; // Default enabled state states[i] = new int[0]; colors[i] = getThemeAttrColor(mContext, R.attr.colorControlActivated); i++; return new ColorStateList(states, colors); } private ColorStateList createButtonColorStateList() { final int[][] states = new int[4][]; final int[] colors = new int[4]; int i = 0; // Disabled state states[i] = new int[] { -android.R.attr.state_enabled }; colors[i] = getDisabledThemeAttrColor(mContext, R.attr.colorButtonNormal); i++; states[i] = new int[] { android.R.attr.state_pressed }; colors[i] = getThemeAttrColor(mContext, R.attr.colorControlHighlight); i++; states[i] = new int[] { android.R.attr.state_focused }; colors[i] = getThemeAttrColor(mContext, R.attr.colorControlHighlight); i++; // Default enabled state states[i] = new int[0]; colors[i] = getThemeAttrColor(mContext, R.attr.colorButtonNormal); i++; return new ColorStateList(states, colors); } private ColorStateList createSpinnerColorStateList() { final int[][] states = new int[3][]; final int[] colors = new int[3]; int i = 0; // Disabled state states[i] = new int[] { -android.R.attr.state_enabled }; colors[i] = getDisabledThemeAttrColor(mContext, R.attr.colorControlNormal); i++; states[i] = new int[] { -android.R.attr.state_pressed, -android.R.attr.state_focused }; colors[i] = getThemeAttrColor(mContext, R.attr.colorControlNormal); i++; states[i] = new int[0]; colors[i] = getThemeAttrColor(mContext, R.attr.colorControlActivated); i++; return new ColorStateList(states, colors); } private static class ColorFilterLruCache extends LruCache<Integer, PorterDuffColorFilter> { public ColorFilterLruCache(int maxSize) { super(maxSize); } PorterDuffColorFilter get(int color, PorterDuff.Mode mode) { return get(generateCacheKey(color, mode)); } PorterDuffColorFilter put(int color, PorterDuff.Mode mode, PorterDuffColorFilter filter) { return put(generateCacheKey(color, mode), filter); } private static int generateCacheKey(int color, PorterDuff.Mode mode) { int hashCode = 1; hashCode = 31 * hashCode + color; hashCode = 31 * hashCode + mode.hashCode(); return hashCode; } } public static void tintViewBackground(View view, TintInfo tint) { final Drawable background = view.getBackground(); if (tint.mTintList != null) { tintDrawableUsingColorFilter(background, tint.mTintList.getColorForState(view.getDrawableState(), tint.mTintList.getDefaultColor()), tint.mTintMode != null ? tint.mTintMode : DEFAULT_MODE); } else { background.clearColorFilter(); } } private static void tintDrawableUsingColorFilter(Drawable drawable, int color, PorterDuff.Mode mode) { // First, lets see if the cache already contains the color filter PorterDuffColorFilter filter = COLOR_FILTER_CACHE.get(color, mode); if (filter == null) { // Cache miss, so create a color filter and add it to the cache filter = new PorterDuffColorFilter(color, mode); COLOR_FILTER_CACHE.put(color, mode, filter); } drawable.setColorFilter(filter); } }