RecentsConfiguration.java revision 7ab650cb43fc75786eadfc1c3f8eae8a358723f6 
1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.systemui.recents;
18
19import android.content.ContentResolver;
20import android.content.Context;
21import android.content.SharedPreferences;
22import android.content.res.Configuration;
23import android.content.res.Resources;
24import android.graphics.Rect;
25import android.provider.Settings;
26import android.util.DisplayMetrics;
27import android.util.TypedValue;
28import android.view.animation.AnimationUtils;
29import android.view.animation.Interpolator;
30import com.android.systemui.R;
31
32
33/** A static Recents configuration for the current context
34 * NOTE: We should not hold any references to a Context from a static instance */
35public class RecentsConfiguration {
36    static RecentsConfiguration sInstance;
37
38    DisplayMetrics mDisplayMetrics;
39
40    /** Animations */
41    public float animationPxMovementPerSecond;
42
43    /** Interpolators */
44    public Interpolator fastOutSlowInInterpolator;
45    public Interpolator fastOutLinearInInterpolator;
46    public Interpolator linearOutSlowInInterpolator;
47    public Interpolator quintOutInterpolator;
48
49    /** Filtering */
50    public int filteringCurrentViewsAnimDuration;
51    public int filteringNewViewsAnimDuration;
52
53    /** Insets */
54    public Rect systemInsets = new Rect();
55    public Rect displayRect = new Rect();
56
57    /** Layout */
58    boolean isLandscape;
59    boolean transposeRecentsLayoutWithOrientation;
60
61    /** Search bar */
62    int searchBarAppWidgetId = -1;
63    public int searchBarSpaceHeightPx;
64
65    /** Task stack */
66    public int taskStackMaxDim;
67    public int taskStackTopPaddingPx;
68    public float taskStackWidthPaddingPct;
69
70    /** Task view animation and styles */
71    public int taskViewEnterFromHomeDuration;
72    public int taskViewEnterFromHomeDelay;
73    public int taskViewExitToHomeDuration;
74    public int taskViewRemoveAnimDuration;
75    public int taskViewRemoveAnimTranslationXPx;
76    public int taskViewTranslationZMinPx;
77    public int taskViewTranslationZIncrementPx;
78    public int taskViewShadowOutlineBottomInsetPx;
79    public int taskViewRoundedCornerRadiusPx;
80    public int taskViewHighlightPx;
81
82    /** Task bar colors */
83    public int taskBarViewDefaultBackgroundColor;
84    public int taskBarViewLightTextColor;
85    public int taskBarViewDarkTextColor;
86    public int taskBarViewHighlightColor;
87
88    /** Task bar animations */
89    public int taskBarEnterAnimDuration;
90    public int taskBarEnterAnimDelay;
91    public int taskBarExitAnimDuration;
92    public int taskBarDismissDozeDelaySeconds;
93
94    /** Nav bar scrim */
95    public int navBarScrimEnterDuration;
96
97    /** Launch states */
98    public boolean launchedWithAltTab;
99    public boolean launchedWithNoRecentTasks;
100    public boolean launchedFromAppWithThumbnail;
101    public boolean launchedFromAppWithScreenshot;
102    public boolean launchedFromHome;
103
104    /** Dev options */
105    public boolean developerOptionsEnabled;
106
107    /** Private constructor */
108    private RecentsConfiguration(Context context) {
109        // Properties that don't have to be reloaded with each configuration change can be loaded
110        // here.
111
112        // Interpolators
113        fastOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
114                com.android.internal.R.interpolator.fast_out_slow_in);
115        fastOutLinearInInterpolator = AnimationUtils.loadInterpolator(context,
116                com.android.internal.R.interpolator.fast_out_linear_in);
117        linearOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
118                com.android.internal.R.interpolator.linear_out_slow_in);
119        quintOutInterpolator = AnimationUtils.loadInterpolator(context,
120                com.android.internal.R.interpolator.decelerate_quint);
121
122        // Check if the developer options are enabled
123        ContentResolver cr = context.getContentResolver();
124        developerOptionsEnabled = Settings.Global.getInt(cr,
125                Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) != 0;
126    }
127
128    /** Updates the configuration to the current context */
129    public static RecentsConfiguration reinitialize(Context context) {
130        if (sInstance == null) {
131            sInstance = new RecentsConfiguration(context);
132        }
133        sInstance.update(context);
134        return sInstance;
135    }
136
137    /** Returns the current recents configuration */
138    public static RecentsConfiguration getInstance() {
139        return sInstance;
140    }
141
142    /** Updates the state, given the specified context */
143    void update(Context context) {
144        Resources res = context.getResources();
145        DisplayMetrics dm = res.getDisplayMetrics();
146        mDisplayMetrics = dm;
147
148        // Animations
149        animationPxMovementPerSecond =
150                res.getDimensionPixelSize(R.dimen.recents_animation_movement_in_dps_per_second);
151
152        // Filtering
153        filteringCurrentViewsAnimDuration =
154                res.getInteger(R.integer.recents_filter_animate_current_views_duration);
155        filteringNewViewsAnimDuration =
156                res.getInteger(R.integer.recents_filter_animate_new_views_duration);
157
158        // Insets
159        displayRect.set(0, 0, dm.widthPixels, dm.heightPixels);
160
161        // Layout
162        isLandscape = res.getConfiguration().orientation ==
163                Configuration.ORIENTATION_LANDSCAPE;
164        transposeRecentsLayoutWithOrientation =
165                res.getBoolean(R.bool.recents_transpose_layout_with_orientation);
166
167        // Search bar
168        searchBarSpaceHeightPx = res.getDimensionPixelSize(R.dimen.recents_search_bar_space_height);
169
170        // Update the search widget id
171        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
172        searchBarAppWidgetId = settings.getInt(Constants.Values.App.Key_SearchAppWidgetId, -1);
173
174        // Task stack
175        TypedValue widthPaddingPctValue = new TypedValue();
176        res.getValue(R.dimen.recents_stack_width_padding_percentage, widthPaddingPctValue, true);
177        taskStackWidthPaddingPct = widthPaddingPctValue.getFloat();
178        taskStackMaxDim = res.getInteger(R.integer.recents_max_task_stack_view_dim);
179        taskStackTopPaddingPx = res.getDimensionPixelSize(R.dimen.recents_stack_top_padding);
180
181        // Task view animation and styles
182        taskViewEnterFromHomeDuration =
183                res.getInteger(R.integer.recents_animate_task_enter_from_home_duration);
184        taskViewEnterFromHomeDelay =
185                res.getInteger(R.integer.recents_animate_task_enter_from_home_delay);
186        taskViewExitToHomeDuration =
187                res.getInteger(R.integer.recents_animate_task_exit_to_home_duration);
188        taskViewRemoveAnimDuration =
189                res.getInteger(R.integer.recents_animate_task_view_remove_duration);
190        taskViewRemoveAnimTranslationXPx =
191                res.getDimensionPixelSize(R.dimen.recents_task_view_remove_anim_translation_x);
192        taskViewRoundedCornerRadiusPx =
193                res.getDimensionPixelSize(R.dimen.recents_task_view_rounded_corners_radius);
194        taskViewHighlightPx = res.getDimensionPixelSize(R.dimen.recents_task_view_highlight);
195        taskViewTranslationZMinPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_min);
196        taskViewTranslationZIncrementPx =
197                res.getDimensionPixelSize(R.dimen.recents_task_view_z_increment);
198        taskViewShadowOutlineBottomInsetPx =
199                res.getDimensionPixelSize(R.dimen.recents_task_view_shadow_outline_bottom_inset);
200
201        // Task bar colors
202        taskBarViewDefaultBackgroundColor =
203                res.getColor(R.color.recents_task_bar_default_background_color);
204        taskBarViewLightTextColor =
205                res.getColor(R.color.recents_task_bar_light_text_color);
206        taskBarViewDarkTextColor =
207                res.getColor(R.color.recents_task_bar_dark_text_color);
208        taskBarViewHighlightColor =
209                res.getColor(R.color.recents_task_bar_highlight_color);
210
211        // Task bar animations
212        taskBarEnterAnimDuration =
213                res.getInteger(R.integer.recents_animate_task_bar_enter_duration);
214        taskBarEnterAnimDelay =
215                res.getInteger(R.integer.recents_animate_task_bar_enter_delay);
216        taskBarExitAnimDuration =
217                res.getInteger(R.integer.recents_animate_task_bar_exit_duration);
218        taskBarDismissDozeDelaySeconds =
219                res.getInteger(R.integer.recents_task_bar_dismiss_delay_seconds);
220
221        // Nav bar scrim
222        navBarScrimEnterDuration =
223                res.getInteger(R.integer.recents_nav_bar_scrim_enter_duration);
224
225        if (Console.Enabled) {
226            Console.log(Constants.Log.UI.MeasureAndLayout,
227                    "[RecentsConfiguration|orientation]", isLandscape ? "Landscape" : "Portrait",
228                    Console.AnsiGreen);
229        }
230    }
231
232    /** Updates the system insets */
233    public void updateSystemInsets(Rect insets) {
234        systemInsets.set(insets);
235    }
236
237    /** Updates the search bar app widget */
238    public void updateSearchBarAppWidgetId(Context context, int appWidgetId) {
239        searchBarAppWidgetId = appWidgetId;
240        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
241        settings.edit().putInt(Constants.Values.App.Key_SearchAppWidgetId,
242                appWidgetId).apply();
243    }
244
245    /** Called when the configuration has changed, and we want to reset any configuration specific
246     * members. */
247    public void updateOnConfigurationChange() {
248        launchedWithAltTab = false;
249        launchedWithNoRecentTasks = false;
250        launchedFromAppWithThumbnail = false;
251        launchedFromAppWithScreenshot = false;
252        launchedFromHome = false;
253    }
254
255    /** Returns whether the search bar app widget exists. */
256    public boolean hasSearchBarAppWidget() {
257        return searchBarAppWidgetId >= 0;
258    }
259
260    /** Returns whether the status bar scrim should be animated when shown for the first time. */
261    public boolean shouldAnimateStatusBarScrim() {
262        return launchedFromHome;
263    }
264
265    /** Returns whether the status bar scrim should be visible. */
266    public boolean hasStatusBarScrim() {
267        return !launchedWithNoRecentTasks;
268    }
269
270    /** Returns whether the nav bar scrim should be animated when shown for the first time. */
271    public boolean shouldAnimateNavBarScrim() {
272        return true;
273    }
274
275    /** Returns whether the nav bar scrim should be visible. */
276    public boolean hasNavBarScrim() {
277        // Only show the scrim if we have recent tasks, and if the nav bar is not transposed
278        return !launchedWithNoRecentTasks &&
279                (!transposeRecentsLayoutWithOrientation || !isLandscape);
280    }
281
282    /**
283     * Returns the task stack bounds in the current orientation. These bounds do not account for
284     * the system insets.
285     */
286    public void getTaskStackBounds(int width, int height, Rect taskStackBounds) {
287        if (hasSearchBarAppWidget()) {
288            Rect searchBarBounds = new Rect();
289            getSearchBarBounds(width, height, searchBarBounds);
290            if (isLandscape && transposeRecentsLayoutWithOrientation) {
291                // In landscape, the search bar appears on the left, so shift the task rect right
292                taskStackBounds.set(searchBarBounds.width(), 0, width, height);
293            } else {
294                // In portrait, the search bar appears on the top, so shift the task rect below
295                taskStackBounds.set(0, searchBarBounds.height(), width, height);
296            }
297        } else {
298            taskStackBounds.set(0, 0, width, height);
299        }
300    }
301
302    /**
303     * Returns the search bar bounds in the current orientation.  These bounds do not account for
304     * the system insets.
305     */
306    public void getSearchBarBounds(int width, int height, Rect searchBarSpaceBounds) {
307        // Return empty rects if search is not enabled
308        if (!Constants.DebugFlags.App.EnableSearchLayout) {
309            searchBarSpaceBounds.set(0, 0, 0, 0);
310            return;
311        }
312
313        if (isLandscape && transposeRecentsLayoutWithOrientation) {
314            // In landscape, the search bar appears on the left
315            searchBarSpaceBounds.set(0, 0, searchBarSpaceHeightPx, height);
316        } else {
317            // In portrait, the search bar appears on the top
318            searchBarSpaceBounds.set(0, 0, width, searchBarSpaceHeightPx);
319        }
320    }
321}
322