RecentsConfiguration.java revision ffa2ec664479bff6b4b61d4c349d9db2cb37ca16 
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 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    public boolean debugModeEnabled;
107
108    /** Private constructor */
109    private RecentsConfiguration(Context context) {
110        // Properties that don't have to be reloaded with each configuration change can be loaded
111        // here.
112
113        // Interpolators
114        fastOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
115                com.android.internal.R.interpolator.fast_out_slow_in);
116        fastOutLinearInInterpolator = AnimationUtils.loadInterpolator(context,
117                com.android.internal.R.interpolator.fast_out_linear_in);
118        linearOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
119                com.android.internal.R.interpolator.linear_out_slow_in);
120        quintOutInterpolator = AnimationUtils.loadInterpolator(context,
121                com.android.internal.R.interpolator.decelerate_quint);
122
123        // Check if the developer options are enabled
124        ContentResolver cr = context.getContentResolver();
125        developerOptionsEnabled = Settings.Global.getInt(cr,
126                Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) != 0;
127    }
128
129    /** Updates the configuration to the current context */
130    public static RecentsConfiguration reinitialize(Context context) {
131        if (sInstance == null) {
132            sInstance = new RecentsConfiguration(context);
133        }
134        sInstance.update(context);
135        return sInstance;
136    }
137
138    /** Returns the current recents configuration */
139    public static RecentsConfiguration getInstance() {
140        return sInstance;
141    }
142
143    /** Updates the state, given the specified context */
144    void update(Context context) {
145        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
146        Resources res = context.getResources();
147        DisplayMetrics dm = res.getDisplayMetrics();
148        mDisplayMetrics = dm;
149
150        // Debug mode
151        debugModeEnabled = settings.getBoolean(Constants.Values.App.Key_DebugModeEnabled, false);
152        if (debugModeEnabled) {
153            Console.Enabled = true;
154        }
155
156        // Animations
157        animationPxMovementPerSecond =
158                res.getDimensionPixelSize(R.dimen.recents_animation_movement_in_dps_per_second);
159
160        // Filtering
161        filteringCurrentViewsAnimDuration =
162                res.getInteger(R.integer.recents_filter_animate_current_views_duration);
163        filteringNewViewsAnimDuration =
164                res.getInteger(R.integer.recents_filter_animate_new_views_duration);
165
166        // Insets
167        displayRect.set(0, 0, dm.widthPixels, dm.heightPixels);
168
169        // Layout
170        isLandscape = res.getConfiguration().orientation ==
171                Configuration.ORIENTATION_LANDSCAPE;
172        transposeRecentsLayoutWithOrientation =
173                res.getBoolean(R.bool.recents_transpose_layout_with_orientation);
174
175        // Search bar
176        searchBarSpaceHeightPx = res.getDimensionPixelSize(R.dimen.recents_search_bar_space_height);
177
178        // Update the search widget id
179        searchBarAppWidgetId = settings.getInt(Constants.Values.App.Key_SearchAppWidgetId, -1);
180
181        // Task stack
182        TypedValue widthPaddingPctValue = new TypedValue();
183        res.getValue(R.dimen.recents_stack_width_padding_percentage, widthPaddingPctValue, true);
184        taskStackWidthPaddingPct = widthPaddingPctValue.getFloat();
185        taskStackMaxDim = res.getInteger(R.integer.recents_max_task_stack_view_dim);
186        taskStackTopPaddingPx = res.getDimensionPixelSize(R.dimen.recents_stack_top_padding);
187
188        // Task view animation and styles
189        taskViewEnterFromHomeDuration =
190                res.getInteger(R.integer.recents_animate_task_enter_from_home_duration);
191        taskViewEnterFromHomeDelay =
192                res.getInteger(R.integer.recents_animate_task_enter_from_home_delay);
193        taskViewExitToHomeDuration =
194                res.getInteger(R.integer.recents_animate_task_exit_to_home_duration);
195        taskViewRemoveAnimDuration =
196                res.getInteger(R.integer.recents_animate_task_view_remove_duration);
197        taskViewRemoveAnimTranslationXPx =
198                res.getDimensionPixelSize(R.dimen.recents_task_view_remove_anim_translation_x);
199        taskViewRoundedCornerRadiusPx =
200                res.getDimensionPixelSize(R.dimen.recents_task_view_rounded_corners_radius);
201        taskViewHighlightPx = res.getDimensionPixelSize(R.dimen.recents_task_view_highlight);
202        taskViewTranslationZMinPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_min);
203        taskViewTranslationZIncrementPx =
204                res.getDimensionPixelSize(R.dimen.recents_task_view_z_increment);
205
206        // Task bar colors
207        taskBarViewDefaultBackgroundColor =
208                res.getColor(R.color.recents_task_bar_default_background_color);
209        taskBarViewLightTextColor =
210                res.getColor(R.color.recents_task_bar_light_text_color);
211        taskBarViewDarkTextColor =
212                res.getColor(R.color.recents_task_bar_dark_text_color);
213        taskBarViewHighlightColor =
214                res.getColor(R.color.recents_task_bar_highlight_color);
215
216        // Task bar animations
217        taskBarEnterAnimDuration =
218                res.getInteger(R.integer.recents_animate_task_bar_enter_duration);
219        taskBarEnterAnimDelay =
220                res.getInteger(R.integer.recents_animate_task_bar_enter_delay);
221        taskBarExitAnimDuration =
222                res.getInteger(R.integer.recents_animate_task_bar_exit_duration);
223        taskBarDismissDozeDelaySeconds =
224                res.getInteger(R.integer.recents_task_bar_dismiss_delay_seconds);
225
226        // Nav bar scrim
227        navBarScrimEnterDuration =
228                res.getInteger(R.integer.recents_nav_bar_scrim_enter_duration);
229
230        if (Console.Enabled) {
231            Console.log(Constants.Log.UI.MeasureAndLayout,
232                    "[RecentsConfiguration|orientation]", isLandscape ? "Landscape" : "Portrait",
233                    Console.AnsiGreen);
234        }
235    }
236
237    /** Updates the system insets */
238    public void updateSystemInsets(Rect insets) {
239        systemInsets.set(insets);
240    }
241
242    /** Updates the search bar app widget */
243    public void updateSearchBarAppWidgetId(Context context, int appWidgetId) {
244        searchBarAppWidgetId = appWidgetId;
245        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
246        settings.edit().putInt(Constants.Values.App.Key_SearchAppWidgetId,
247                appWidgetId).apply();
248    }
249
250    /** Called when the configuration has changed, and we want to reset any configuration specific
251     * members. */
252    public void updateOnConfigurationChange() {
253        launchedWithAltTab = false;
254        launchedWithNoRecentTasks = false;
255        launchedFromAppWithThumbnail = false;
256        launchedFromAppWithScreenshot = false;
257        launchedFromHome = false;
258    }
259
260    /** Returns whether the search bar app widget exists. */
261    public boolean hasSearchBarAppWidget() {
262        return searchBarAppWidgetId >= 0;
263    }
264
265    /** Returns whether the status bar scrim should be animated when shown for the first time. */
266    public boolean shouldAnimateStatusBarScrim() {
267        return launchedFromHome;
268    }
269
270    /** Returns whether the status bar scrim should be visible. */
271    public boolean hasStatusBarScrim() {
272        return !launchedWithNoRecentTasks;
273    }
274
275    /** Returns whether the nav bar scrim should be animated when shown for the first time. */
276    public boolean shouldAnimateNavBarScrim() {
277        return true;
278    }
279
280    /** Returns whether the nav bar scrim should be visible. */
281    public boolean hasNavBarScrim() {
282        // Only show the scrim if we have recent tasks, and if the nav bar is not transposed
283        return !launchedWithNoRecentTasks &&
284                (!transposeRecentsLayoutWithOrientation || !isLandscape);
285    }
286
287    /**
288     * Returns the task stack bounds in the current orientation. These bounds do not account for
289     * the system insets.
290     */
291    public void getTaskStackBounds(int width, int height, Rect taskStackBounds) {
292        if (hasSearchBarAppWidget()) {
293            Rect searchBarBounds = new Rect();
294            getSearchBarBounds(width, height, searchBarBounds);
295            if (isLandscape && transposeRecentsLayoutWithOrientation) {
296                // In landscape, the search bar appears on the left, so shift the task rect right
297                taskStackBounds.set(searchBarBounds.width(), 0, width, height);
298            } else {
299                // In portrait, the search bar appears on the top, so shift the task rect below
300                taskStackBounds.set(0, searchBarBounds.height(), width, height);
301            }
302        } else {
303            taskStackBounds.set(0, 0, width, height);
304        }
305    }
306
307    /**
308     * Returns the search bar bounds in the current orientation.  These bounds do not account for
309     * the system insets.
310     */
311    public void getSearchBarBounds(int width, int height, Rect searchBarSpaceBounds) {
312        // Return empty rects if search is not enabled
313        if (!Constants.DebugFlags.App.EnableSearchLayout) {
314            searchBarSpaceBounds.set(0, 0, 0, 0);
315            return;
316        }
317
318        if (isLandscape && transposeRecentsLayoutWithOrientation) {
319            // In landscape, the search bar appears on the left
320            searchBarSpaceBounds.set(0, 0, searchBarSpaceHeightPx, height);
321        } else {
322            // In portrait, the search bar appears on the top
323            searchBarSpaceBounds.set(0, 0, width, searchBarSpaceHeightPx);
324        }
325    }
326}
327