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1 /* | |
2 * Copyright 2012 Google Inc. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license that can be | |
5 * found in the LICENSE file. | |
6 */ | |
7 | |
8 package com.skia; | |
9 | |
10 import android.app.ActionBar; | |
11 import android.app.Activity; | |
12 import android.app.DownloadManager; | |
13 import android.content.Intent; | |
14 import android.content.Context; | |
15 import android.os.Build; | |
16 import android.os.Bundle; | |
17 import android.os.Handler; | |
18 import android.os.Message; | |
19 import android.view.KeyEvent; | |
20 import android.view.Menu; | |
21 import android.view.MenuItem; | |
22 import android.view.ViewGroup; | |
23 import android.widget.ArrayAdapter; | |
24 import android.widget.LinearLayout; | |
25 import android.widget.TextView; | |
26 import android.widget.Toast; | |
27 | |
28 import java.io.File; | |
29 | |
30 public class SkiaSampleActivity extends Activity | |
31 { | |
32 private TextView mTitle; | |
33 private SkiaSampleView mSampleView; | |
34 | |
35 private ArrayAdapter<String> mSlideList; | |
36 | |
37 @Override | |
38 public void onCreate(Bundle savedInstanceState) { | |
39 super.onCreate(savedInstanceState); | |
40 | |
41 setContentView(R.layout.layout); | |
42 mTitle = (TextView) findViewById(R.id.title_view); | |
43 mSlideList = new ArrayAdapter<String>(this, android.R.layout.simple_expa
ndable_list_item_1); | |
44 | |
45 try { | |
46 System.loadLibrary("skia_android"); | |
47 } catch (UnsatisfiedLinkError e) { | |
48 // This might be because skia was linked to SampleApp statically. | |
49 } | |
50 | |
51 try { | |
52 System.loadLibrary("SampleApp"); | |
53 | |
54 createSampleView(false, 0); | |
55 | |
56 setupActionBar(); | |
57 } catch (UnsatisfiedLinkError e) { | |
58 mTitle.setText("ERROR: native library could not be loaded"); | |
59 } | |
60 } | |
61 | |
62 private void createSampleView(boolean useOpenGLAPI, int msaaSampleCount) { | |
63 if (mSampleView != null) { | |
64 ViewGroup viewGroup = (ViewGroup) mSampleView.getParent(); | |
65 viewGroup.removeView(mSampleView); | |
66 mSampleView.terminate(); | |
67 } | |
68 | |
69 // intent get intent extras if triggered from the command line | |
70 Intent intent = this.getIntent(); | |
71 String flags = intent.getStringExtra("cmdLineFlags"); | |
72 | |
73 if (flags == null || flags.isEmpty()) { | |
74 flags = "--pictureDir /data/local/tmp/skia_skp "; | |
75 flags += "--resourcePath /data/local/tmp/skia_resources "; | |
76 } | |
77 | |
78 mSampleView = new SkiaSampleView(this, flags, useOpenGLAPI, msaaSampleCo
unt); | |
79 LinearLayout holder = (LinearLayout) findViewById(R.id.holder); | |
80 holder.addView(mSampleView, new LinearLayout.LayoutParams( | |
81 ViewGroup.LayoutParams.MATCH_PARENT, | |
82 ViewGroup.LayoutParams.MATCH_PARENT)); | |
83 } | |
84 | |
85 private void setupActionBar() { | |
86 ActionBar.OnNavigationListener navigationCallback = new ActionBar.OnNavi
gationListener() { | |
87 @Override | |
88 public boolean onNavigationItemSelected(int position, long itemId) { | |
89 mSampleView.goToSample(position); | |
90 return true; | |
91 } | |
92 }; | |
93 | |
94 ActionBar actionBar = getActionBar(); | |
95 actionBar.setDisplayShowHomeEnabled(false); | |
96 actionBar.setDisplayShowTitleEnabled(false); | |
97 actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST); | |
98 actionBar.setListNavigationCallbacks(mSlideList, navigationCallback); | |
99 } | |
100 | |
101 @Override | |
102 protected void onResume () { | |
103 super.onResume(); | |
104 if (mSampleView != null && mSampleView.getWidth() > 0 && mSampleView.get
Height() > 0) { | |
105 //TODO try mSampleView.requestRender() instead | |
106 mSampleView.inval(); | |
107 } | |
108 } | |
109 | |
110 @Override | |
111 public void onDestroy() { | |
112 if (mSampleView != null) { | |
113 mSampleView.terminate(); | |
114 } | |
115 super.onDestroy(); | |
116 } | |
117 | |
118 @Override | |
119 public boolean onCreateOptionsMenu(Menu menu) { | |
120 getMenuInflater().inflate(R.menu.action_bar, menu); | |
121 return true; | |
122 } | |
123 | |
124 @Override | |
125 public boolean onPrepareOptionsMenu(Menu menu) { | |
126 if (mSampleView != null) { | |
127 if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) { | |
128 ((MenuItem) menu.findItem(R.id.glcontext_menu)) | |
129 .setEnabled(false); | |
130 | |
131 } else { | |
132 boolean usesOpenGLAPI = mSampleView.getUsesOpenGLAPI(); | |
133 boolean isMSAA4 = mSampleView.getMSAASampleCount() == 4; | |
134 | |
135 ((MenuItem) menu.findItem(R.id.glcontext_opengles)) | |
136 .setChecked(!usesOpenGLAPI && !isMSAA4); | |
137 | |
138 ((MenuItem) menu.findItem(R.id.glcontext_msaa4_opengles)) | |
139 .setChecked(!usesOpenGLAPI && isMSAA4); | |
140 | |
141 ((MenuItem) menu.findItem(R.id.glcontext_opengl)) | |
142 .setChecked(usesOpenGLAPI && !isMSAA4); | |
143 | |
144 ((MenuItem) menu.findItem(R.id.glcontext_msaa4_opengl)) | |
145 .setChecked(usesOpenGLAPI && isMSAA4); | |
146 } | |
147 } | |
148 return true; | |
149 } | |
150 | |
151 @Override | |
152 public boolean onOptionsItemSelected(MenuItem item) { | |
153 if (mSampleView == null) { | |
154 return false; | |
155 } | |
156 | |
157 switch (item.getItemId()) { | |
158 case R.id.overview: | |
159 mSampleView.showOverview(); | |
160 return true; | |
161 case R.id.prev: | |
162 mSampleView.previousSample(); | |
163 return true; | |
164 case R.id.next: | |
165 mSampleView.nextSample(); | |
166 return true; | |
167 case R.id.toggle_rendering: | |
168 mSampleView.toggleRenderingMode(); | |
169 return true; | |
170 case R.id.slideshow: | |
171 mSampleView.toggleSlideshow(); | |
172 return true; | |
173 case R.id.fps: | |
174 mSampleView.toggleFPS(); | |
175 return true; | |
176 case R.id.tiling: | |
177 mSampleView.toggleTiling(); | |
178 return true; | |
179 case R.id.bbox: | |
180 mSampleView.toggleBBox(); | |
181 return true; | |
182 case R.id.save_to_pdf: | |
183 mSampleView.saveToPDF(); | |
184 return true; | |
185 case R.id.glcontext_opengles: | |
186 return setOpenGLContextSettings(false, 0); | |
187 case R.id.glcontext_msaa4_opengles: | |
188 return setOpenGLContextSettings(false, 4); | |
189 case R.id.glcontext_opengl: | |
190 return setOpenGLContextSettings(true, 0); | |
191 case R.id.glcontext_msaa4_opengl: | |
192 return setOpenGLContextSettings(true, 4); | |
193 default: | |
194 return false; | |
195 } | |
196 } | |
197 | |
198 @Override | |
199 public boolean dispatchKeyEvent(KeyEvent event) { | |
200 final int keycode = event.getKeyCode(); | |
201 if (keycode == KeyEvent.KEYCODE_BACK) { | |
202 if (event.getAction() == KeyEvent.ACTION_UP) { | |
203 finish(); | |
204 } | |
205 return true; | |
206 } | |
207 return false; | |
208 } | |
209 | |
210 private static final int SET_TITLE = 1; | |
211 private static final int SET_SLIDES = 2; | |
212 private static final int TOAST_DOWNLOAD = 3; | |
213 | |
214 private Handler mHandler = new Handler() { | |
215 @Override | |
216 public void handleMessage(Message msg) { | |
217 switch (msg.what) { | |
218 case SET_TITLE: | |
219 mTitle.setText((String) msg.obj); | |
220 SkiaSampleActivity.this.getActionBar().setSubtitle((String) msg.
obj); | |
221 break; | |
222 case SET_SLIDES: | |
223 mSlideList.addAll((String[]) msg.obj); | |
224 break; | |
225 case TOAST_DOWNLOAD: | |
226 Toast.makeText(SkiaSampleActivity.this, (String) msg.obj, | |
227 Toast.LENGTH_SHORT).show(); | |
228 break; | |
229 default: | |
230 break; | |
231 } | |
232 } | |
233 }; | |
234 | |
235 // Called by JNI | |
236 @Override | |
237 public void setTitle(CharSequence title) { | |
238 mHandler.obtainMessage(SET_TITLE, title).sendToTarget(); | |
239 } | |
240 | |
241 // Called by JNI | |
242 public void setSlideList(String[] slideList) { | |
243 mHandler.obtainMessage(SET_SLIDES, slideList).sendToTarget(); | |
244 } | |
245 | |
246 // Called by JNI | |
247 public void addToDownloads(final String title, final String desc, final Stri
ng path) { | |
248 File file = new File(path); | |
249 final long length = file.exists() ? file.length() : 0; | |
250 if (length == 0) { | |
251 String failed = getString(R.string.save_failed); | |
252 mHandler.obtainMessage(TOAST_DOWNLOAD, failed).sendToTarget(); | |
253 return; | |
254 } | |
255 String toast = getString(R.string.file_saved).replace("%s", title); | |
256 mHandler.obtainMessage(TOAST_DOWNLOAD, toast).sendToTarget(); | |
257 final DownloadManager manager = | |
258 (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE); | |
259 new Thread("Add PDF to downloads") { | |
260 @Override | |
261 public void run() { | |
262 final String mimeType = "application/pdf"; | |
263 manager.addCompletedDownload(title, desc, true, mimeType, path,
length, true); | |
264 } | |
265 }.start(); | |
266 } | |
267 | |
268 private boolean setOpenGLContextSettings(boolean requestedOpenGLAPI, int req
uestedSampleCount) { | |
269 if (mSampleView != null && | |
270 mSampleView.getMSAASampleCount() == requestedSampleCount && | |
271 mSampleView.getUsesOpenGLAPI() == requestedOpenGLAPI) { | |
272 return true; | |
273 } | |
274 | |
275 createSampleView(requestedOpenGLAPI, requestedSampleCount); | |
276 | |
277 return true; | |
278 } | |
279 } | |
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