1+ /*
2+ * Copyright 2019 Pranav Pandey
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+
17+ package com .pranavpandey .android .dynamic .support .theme .adapter ;
18+
19+ import android .content .Context ;
20+ import android .database .Cursor ;
21+ import android .view .LayoutInflater ;
22+ import android .view .View ;
23+ import android .view .ViewGroup ;
24+
25+ import androidx .annotation .IntDef ;
26+ import androidx .annotation .LayoutRes ;
27+ import androidx .annotation .NonNull ;
28+ import androidx .annotation .Nullable ;
29+ import androidx .recyclerview .widget .RecyclerView ;
30+
31+ import com .pranavpandey .android .dynamic .support .R ;
32+ import com .pranavpandey .android .dynamic .support .model .DynamicAppTheme ;
33+ import com .pranavpandey .android .dynamic .support .theme .view .DynamicPresetsView ;
34+ import com .pranavpandey .android .dynamic .support .theme .view .ThemePreview ;
35+ import com .pranavpandey .android .dynamic .support .widget .DynamicCardView ;
36+ import com .pranavpandey .android .dynamic .theme .ThemeContract ;
37+ import com .pranavpandey .android .dynamic .theme .utils .DynamicThemeUtils ;
38+
39+ import static com .pranavpandey .android .dynamic .support .theme .adapter .DynamicPresetsAdapter .Type .HORIZONTAL ;
40+ import static com .pranavpandey .android .dynamic .support .theme .adapter .DynamicPresetsAdapter .Type .VERTICAL ;
41+
42+ /**
43+ * A recycler view adapter to show the theme presets.
44+ */
45+ public class DynamicPresetsAdapter <T extends DynamicAppTheme >
46+ extends RecyclerView .Adapter <DynamicPresetsAdapter .ViewHolder <T >> {
47+
48+ /**
49+ * Interface to hold the presets layout according to the recycler view orientation.
50+ */
51+ @ IntDef (value = { VERTICAL , HORIZONTAL })
52+ public @interface Type {
53+
54+ /**
55+ * Constant for the vertical orientation.
56+ */
57+ int VERTICAL = 1 ;
58+
59+ /**
60+ * Constant for the horizontal orientation.
61+ */
62+ int HORIZONTAL = 2 ;
63+ }
64+
65+ /**
66+ * Layout inflater used by this adapter.
67+ */
68+ private final LayoutInflater mInflater ;
69+
70+ /**
71+ * Cursor for presets handled by this adapter.
72+ */
73+ private Cursor mPresets ;
74+
75+ /**
76+ * Type of the preset layout used by this adapter.
77+ */
78+ private @ Type int mType ;
79+
80+ /**
81+ * Layout resource containing the theme preview.
82+ *
83+ * @see ThemePreview
84+ */
85+ private @ LayoutRes int mLayoutRes ;
86+
87+ /**
88+ * Listener to handle the preset events.
89+ */
90+ private DynamicPresetsView .DynamicPresetsListener <T > mDynamicPresetsListener ;
91+
92+ /**
93+ * Constructor to initialize an object of this class.
94+ *
95+ * @param context The context to get the layout inflater.
96+ * @param type The type of the preset layout.
97+ */
98+ public DynamicPresetsAdapter (@ NonNull Context context , @ Type int type ) {
99+ this (context , type , type == VERTICAL ? R .layout .ads_layout_item_preset
100+ : R .layout .ads_layout_item_preset_horizontal );
101+ }
102+
103+ /**
104+ * Constructor to initialize an object of this class.
105+ *
106+ * @param context The context to get the layout inflater.
107+ * @param type The type of the preset layout.
108+ * @param layoutRes The layout resource containing the theme preview.
109+ *
110+ * @see ThemePreview
111+ */
112+ public DynamicPresetsAdapter (@ NonNull Context context ,
113+ @ Type int type , @ LayoutRes int layoutRes ) {
114+ this .mInflater = LayoutInflater .from (context );
115+ this .mType = type ;
116+ this .mLayoutRes = layoutRes ;
117+ }
118+
119+ @ Override
120+ public @ NonNull ViewHolder <T > onCreateViewHolder (@ NonNull ViewGroup parent , int viewType ) {
121+ return new ViewHolder <>(mInflater .inflate (mLayoutRes , parent , false ));
122+ }
123+
124+ @ Override
125+ public void onBindViewHolder (@ NonNull ViewHolder <T > holder , int position ) {
126+ if (mPresets != null ) {
127+ holder .getRoot ().setVisibility (View .VISIBLE );
128+ try {
129+ if (mDynamicPresetsListener != null ) {
130+ T theme = null ;
131+ if (mPresets .moveToPosition (position )) {
132+ String decodeTheme = DynamicThemeUtils .decodeTheme (
133+ mPresets .getString (mPresets .getColumnIndexOrThrow (
134+ ThemeContract .Preset .Column .THEME )));
135+
136+ if (decodeTheme != null ) {
137+ theme = mDynamicPresetsListener .getDynamicTheme (decodeTheme );
138+ }
139+ }
140+
141+ if (theme == null ) {
142+ return ;
143+ }
144+
145+ holder .getThemePreview ().getActionView ()
146+ .setImageResource (R .drawable .ads_ic_palette );
147+ holder .getThemePreview ().setDynamicTheme (theme );
148+
149+ if (holder .getRoot () instanceof DynamicCardView ) {
150+ ((DynamicCardView ) holder .getRoot ()).setCorner (
151+ (float ) theme .getCornerRadius ());
152+ }
153+
154+ holder .getRoot ().setOnClickListener (new View .OnClickListener () {
155+ @ Override
156+ public void onClick (View v ) {
157+ mDynamicPresetsListener .onPresetClick (v ,
158+ holder .getThemePreview ().getDynamicTheme ().toDynamicString (),
159+ holder .getThemePreview ());
160+ }
161+ });
162+ holder .getThemePreview ().getActionView ().setOnClickListener (
163+ new View .OnClickListener () {
164+ @ Override
165+ public void onClick (View v ) {
166+ mDynamicPresetsListener .onPresetClick (v ,
167+ holder .getThemePreview ().getDynamicTheme ().toDynamicString (),
168+ holder .getThemePreview ());
169+ }
170+ });
171+ } else {
172+ holder .getRoot ().setClickable (false );
173+ holder .getThemePreview ().getActionView ().setClickable (false );
174+ }
175+ } catch (Exception ignored ) {
176+ }
177+ } else {
178+ holder .getRoot ().setVisibility (View .GONE );
179+ }
180+ }
181+
182+ @ Override
183+ public int getItemCount () {
184+ return mPresets == null ? 0 : mPresets .getCount ();
185+ }
186+
187+ /**
188+ * Sets the theme presets for this adapter.
189+ *
190+ * @param presets The theme presets to be set.
191+ */
192+ public void setPresets (@ Nullable Cursor presets ) {
193+ mPresets = presets ;
194+
195+ notifyDataSetChanged ();
196+ }
197+
198+ /**
199+ * Returns the layout resource containing the theme preview.
200+ *
201+ * @return The layout resource containing the theme preview.
202+ */
203+ public int getLayoutRes () {
204+ return mLayoutRes ;
205+ }
206+
207+ /**
208+ * Get the dynamic preset listener used by this adapter.
209+ *
210+ * @return The dynamic preset listener used by this adapter.
211+ */
212+ public @ Nullable DynamicPresetsView .DynamicPresetsListener <T > getDynamicPresetsListener () {
213+ return mDynamicPresetsListener ;
214+ }
215+
216+ /**
217+ * Sets the dynamic preset listener for this adapter.
218+ */
219+ public void setDynamicPresetsListener (
220+ @ Nullable DynamicPresetsView .DynamicPresetsListener <T > dynamicPresetsListener ) {
221+ this .mDynamicPresetsListener = dynamicPresetsListener ;
222+
223+ notifyDataSetChanged ();
224+ }
225+
226+ /**
227+ * View holder class to hold the preset view.
228+ */
229+ static class ViewHolder <T extends DynamicAppTheme > extends RecyclerView .ViewHolder {
230+
231+ /**
232+ * Item view root.
233+ */
234+ private final ViewGroup root ;
235+
236+ /**
237+ * Theme preview to display the preset.
238+ */
239+ private final ThemePreview <T > themePreview ;
240+
241+ /**
242+ * Constructor to initialize views from the supplied layout.
243+ *
244+ * @param view The view for this view holder.
245+ */
246+ ViewHolder (View view ) {
247+ super (view );
248+
249+ root = view .findViewById (R .id .ads_preset_root );
250+ themePreview = view .findViewById (R .id .ads_preset_theme_preview );
251+ }
252+
253+ /**
254+ * Get the item view root.
255+ *
256+ * @return The item view root.
257+ */
258+ ViewGroup getRoot () {
259+ return root ;
260+ }
261+
262+ /**
263+ * Get the theme preview to display the preset.
264+ *
265+ * @return The theme preview to display the preset.
266+ */
267+ ThemePreview <T > getThemePreview () {
268+ return themePreview ;
269+ }
270+ }
271+ }
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