RecentsConfiguration.java revision 1f24c7e37bc794057a156a730c7e4b53b01212ed 
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;
31import com.android.systemui.recents.misc.Console;
32
33
34/** A static Recents configuration for the current context
35 * NOTE: We should not hold any references to a Context from a static instance */
36public class RecentsConfiguration {
37    static RecentsConfiguration sInstance;
38
39    DisplayMetrics mDisplayMetrics;
40
41    /** Animations */
42    public float animationPxMovementPerSecond;
43
44    /** Interpolators */
45    public Interpolator fastOutSlowInInterpolator;
46    public Interpolator fastOutLinearInInterpolator;
47    public Interpolator linearOutSlowInInterpolator;
48    public Interpolator quintOutInterpolator;
49
50    /** Filtering */
51    public int filteringCurrentViewsAnimDuration;
52    public int filteringNewViewsAnimDuration;
53
54    /** Insets */
55    public Rect systemInsets = new Rect();
56    public Rect displayRect = new Rect();
57
58    /** Layout */
59    boolean isLandscape;
60    boolean transposeRecentsLayoutWithOrientation;
61
62    /** Search bar */
63    int searchBarAppWidgetId = -1;
64    public int searchBarSpaceHeightPx;
65
66    /** Task stack */
67    public int taskStackMaxDim;
68    public int taskStackTopPaddingPx;
69    public float taskStackWidthPaddingPct;
70
71    /** Task view animation and styles */
72    public int taskViewEnterFromHomeDuration;
73    public int taskViewEnterFromHomeDelay;
74    public int taskViewExitToHomeDuration;
75    public int taskViewRemoveAnimDuration;
76    public int taskViewRemoveAnimTranslationXPx;
77    public int taskViewTranslationZMinPx;
78    public int taskViewTranslationZIncrementPx;
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 size & animations */
89    public int taskBarHeight;
90    public int taskBarEnterAnimDuration;
91    public int taskBarEnterAnimDelay;
92    public int taskBarExitAnimDuration;
93    public int taskBarDismissDozeDelaySeconds;
94
95    /** Lock to app */
96    public int taskViewLockToAppButtonHeight;
97    public int taskViewLockToAppShortAnimDuration;
98    public int taskViewLockToAppLongAnimDuration;
99
100    /** Nav bar scrim */
101    public int navBarScrimEnterDuration;
102
103    /** Launch states */
104    public boolean launchedWithAltTab;
105    public boolean launchedWithNoRecentTasks;
106    public boolean launchedFromAppWithThumbnail;
107    public boolean launchedFromAppWithScreenshot;
108    public boolean launchedFromHome;
109    public int launchedToTaskId;
110
111    /** Dev options */
112    public boolean developerOptionsEnabled;
113    public boolean debugModeEnabled;
114
115    /** Private constructor */
116    private RecentsConfiguration(Context context) {
117        // Properties that don't have to be reloaded with each configuration change can be loaded
118        // here.
119
120        // Interpolators
121        fastOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
122                com.android.internal.R.interpolator.fast_out_slow_in);
123        fastOutLinearInInterpolator = AnimationUtils.loadInterpolator(context,
124                com.android.internal.R.interpolator.fast_out_linear_in);
125        linearOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
126                com.android.internal.R.interpolator.linear_out_slow_in);
127        quintOutInterpolator = AnimationUtils.loadInterpolator(context,
128                com.android.internal.R.interpolator.decelerate_quint);
129
130        // Check if the developer options are enabled
131        ContentResolver cr = context.getContentResolver();
132        developerOptionsEnabled = Settings.Global.getInt(cr,
133                Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) != 0;
134    }
135
136    /** Updates the configuration to the current context */
137    public static RecentsConfiguration reinitialize(Context context) {
138        if (sInstance == null) {
139            sInstance = new RecentsConfiguration(context);
140        }
141        sInstance.update(context);
142        return sInstance;
143    }
144
145    /** Returns the current recents configuration */
146    public static RecentsConfiguration getInstance() {
147        return sInstance;
148    }
149
150    /** Updates the state, given the specified context */
151    void update(Context context) {
152        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
153        Resources res = context.getResources();
154        DisplayMetrics dm = res.getDisplayMetrics();
155        mDisplayMetrics = dm;
156
157        // Debug mode
158        debugModeEnabled = settings.getBoolean(Constants.Values.App.Key_DebugModeEnabled, false);
159        if (debugModeEnabled) {
160            Console.Enabled = true;
161        }
162
163        // Animations
164        animationPxMovementPerSecond =
165                res.getDimensionPixelSize(R.dimen.recents_animation_movement_in_dps_per_second);
166
167        // Filtering
168        filteringCurrentViewsAnimDuration =
169                res.getInteger(R.integer.recents_filter_animate_current_views_duration);
170        filteringNewViewsAnimDuration =
171                res.getInteger(R.integer.recents_filter_animate_new_views_duration);
172
173        // Insets
174        displayRect.set(0, 0, dm.widthPixels, dm.heightPixels);
175
176        // Layout
177        isLandscape = res.getConfiguration().orientation ==
178                Configuration.ORIENTATION_LANDSCAPE;
179        transposeRecentsLayoutWithOrientation =
180                res.getBoolean(R.bool.recents_transpose_layout_with_orientation);
181
182        // Search bar
183        searchBarSpaceHeightPx = res.getDimensionPixelSize(R.dimen.recents_search_bar_space_height);
184
185        // Update the search widget id
186        searchBarAppWidgetId = settings.getInt(Constants.Values.App.Key_SearchAppWidgetId, -1);
187
188        // Task stack
189        TypedValue widthPaddingPctValue = new TypedValue();
190        res.getValue(R.dimen.recents_stack_width_padding_percentage, widthPaddingPctValue, true);
191        taskStackWidthPaddingPct = widthPaddingPctValue.getFloat();
192        taskStackMaxDim = res.getInteger(R.integer.recents_max_task_stack_view_dim);
193        taskStackTopPaddingPx = res.getDimensionPixelSize(R.dimen.recents_stack_top_padding);
194
195        // Task view animation and styles
196        taskViewEnterFromHomeDuration =
197                res.getInteger(R.integer.recents_animate_task_enter_from_home_duration);
198        taskViewEnterFromHomeDelay =
199                res.getInteger(R.integer.recents_animate_task_enter_from_home_delay);
200        taskViewExitToHomeDuration =
201                res.getInteger(R.integer.recents_animate_task_exit_to_home_duration);
202        taskViewRemoveAnimDuration =
203                res.getInteger(R.integer.recents_animate_task_view_remove_duration);
204        taskViewRemoveAnimTranslationXPx =
205                res.getDimensionPixelSize(R.dimen.recents_task_view_remove_anim_translation_x);
206        taskViewRoundedCornerRadiusPx =
207                res.getDimensionPixelSize(R.dimen.recents_task_view_rounded_corners_radius);
208        taskViewHighlightPx = res.getDimensionPixelSize(R.dimen.recents_task_view_highlight);
209        taskViewTranslationZMinPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_min);
210        taskViewTranslationZIncrementPx =
211                res.getDimensionPixelSize(R.dimen.recents_task_view_z_increment);
212
213        // Task bar colors
214        taskBarViewDefaultBackgroundColor =
215                res.getColor(R.color.recents_task_bar_default_background_color);
216        taskBarViewLightTextColor =
217                res.getColor(R.color.recents_task_bar_light_text_color);
218        taskBarViewDarkTextColor =
219                res.getColor(R.color.recents_task_bar_dark_text_color);
220        taskBarViewHighlightColor =
221                res.getColor(R.color.recents_task_bar_highlight_color);
222
223        // Task bar size & animations
224        taskBarHeight = res.getDimensionPixelSize(R.dimen.recents_task_bar_height);
225        taskBarEnterAnimDuration =
226                res.getInteger(R.integer.recents_animate_task_bar_enter_duration);
227        taskBarEnterAnimDelay =
228                res.getInteger(R.integer.recents_animate_task_bar_enter_delay);
229        taskBarExitAnimDuration =
230                res.getInteger(R.integer.recents_animate_task_bar_exit_duration);
231        taskBarDismissDozeDelaySeconds =
232                res.getInteger(R.integer.recents_task_bar_dismiss_delay_seconds);
233
234        // Lock to app
235        taskViewLockToAppButtonHeight =
236                res.getDimensionPixelSize(R.dimen.recents_task_view_lock_to_app_button_height);
237        taskViewLockToAppShortAnimDuration =
238                res.getInteger(R.integer.recents_animate_lock_to_app_button_short_duration);
239        taskViewLockToAppLongAnimDuration =
240                res.getInteger(R.integer.recents_animate_lock_to_app_button_long_duration);
241
242        // Nav bar scrim
243        navBarScrimEnterDuration =
244                res.getInteger(R.integer.recents_nav_bar_scrim_enter_duration);
245
246        if (Console.Enabled) {
247            Console.log(Constants.Log.UI.MeasureAndLayout,
248                    "[RecentsConfiguration|orientation]", isLandscape ? "Landscape" : "Portrait",
249                    Console.AnsiGreen);
250        }
251    }
252
253    /** Updates the system insets */
254    public void updateSystemInsets(Rect insets) {
255        systemInsets.set(insets);
256    }
257
258    /** Updates the search bar app widget */
259    public void updateSearchBarAppWidgetId(Context context, int appWidgetId) {
260        searchBarAppWidgetId = appWidgetId;
261        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
262        settings.edit().putInt(Constants.Values.App.Key_SearchAppWidgetId,
263                appWidgetId).apply();
264    }
265
266    /** Called when the configuration has changed, and we want to reset any configuration specific
267     * members. */
268    public void updateOnConfigurationChange() {
269        launchedWithAltTab = false;
270        launchedWithNoRecentTasks = false;
271        launchedFromAppWithThumbnail = false;
272        launchedFromAppWithScreenshot = false;
273        launchedFromHome = false;
274        launchedToTaskId = -1;
275    }
276
277    /** Returns whether the search bar app widget exists. */
278    public boolean hasSearchBarAppWidget() {
279        return searchBarAppWidgetId >= 0;
280    }
281
282    /** Returns whether the status bar scrim should be animated when shown for the first time. */
283    public boolean shouldAnimateStatusBarScrim() {
284        return launchedFromHome;
285    }
286
287    /** Returns whether the status bar scrim should be visible. */
288    public boolean hasStatusBarScrim() {
289        return !launchedWithNoRecentTasks;
290    }
291
292    /** Returns whether the nav bar scrim should be animated when shown for the first time. */
293    public boolean shouldAnimateNavBarScrim() {
294        return true;
295    }
296
297    /** Returns whether the nav bar scrim should be visible. */
298    public boolean hasNavBarScrim() {
299        // Only show the scrim if we have recent tasks, and if the nav bar is not transposed
300        return !launchedWithNoRecentTasks &&
301                (!transposeRecentsLayoutWithOrientation || !isLandscape);
302    }
303
304    /**
305     * Returns the task stack bounds in the current orientation. These bounds do not account for
306     * the system insets.
307     */
308    public void getTaskStackBounds(int width, int height, Rect taskStackBounds) {
309        if (hasSearchBarAppWidget()) {
310            Rect searchBarBounds = new Rect();
311            getSearchBarBounds(width, height, searchBarBounds);
312            if (isLandscape && transposeRecentsLayoutWithOrientation) {
313                // In landscape, the search bar appears on the left, so shift the task rect right
314                taskStackBounds.set(searchBarBounds.width(), 0, width, height);
315            } else {
316                // In portrait, the search bar appears on the top, so shift the task rect below
317                taskStackBounds.set(0, searchBarBounds.height(), width, height);
318            }
319        } else {
320            taskStackBounds.set(0, 0, width, height);
321        }
322    }
323
324    /**
325     * Returns the search bar bounds in the current orientation.  These bounds do not account for
326     * the system insets.
327     */
328    public void getSearchBarBounds(int width, int height, Rect searchBarSpaceBounds) {
329        // Return empty rects if search is not enabled
330        if (!Constants.DebugFlags.App.EnableSearchLayout) {
331            searchBarSpaceBounds.set(0, 0, 0, 0);
332            return;
333        }
334
335        if (isLandscape && transposeRecentsLayoutWithOrientation) {
336            // In landscape, the search bar appears on the left
337            searchBarSpaceBounds.set(0, 0, searchBarSpaceHeightPx, height);
338        } else {
339            // In portrait, the search bar appears on the top
340            searchBarSpaceBounds.set(0, 0, width, searchBarSpaceHeightPx);
341        }
342    }
343}
344