OLD | NEW |
---|---|
1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 package org.chromium.chromoting.jni; | 5 package org.chromium.chromoting.jni; |
6 | 6 |
7 import android.app.Activity; | 7 import android.app.Activity; |
8 import android.app.AlertDialog; | 8 import android.app.AlertDialog; |
9 import android.app.ProgressDialog; | 9 import android.app.ProgressDialog; |
10 import android.content.Context; | 10 import android.content.Context; |
(...skipping 92 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
103 | 103 |
104 /** Severs the connection and cleans up. */ | 104 /** Severs the connection and cleans up. */ |
105 public static void disconnectFromHost() { | 105 public static void disconnectFromHost() { |
106 synchronized(JniInterface.class) { | 106 synchronized(JniInterface.class) { |
107 if (!sLoaded || !sConnected) return; | 107 if (!sLoaded || !sConnected) return; |
108 | 108 |
109 if (sProgressIndicator != null) { | 109 if (sProgressIndicator != null) { |
110 sProgressIndicator.dismiss(); | 110 sProgressIndicator.dismiss(); |
111 sProgressIndicator = null; | 111 sProgressIndicator = null; |
112 } | 112 } |
113 | |
114 // Drop the reference to free the Bitmap for GC. | |
115 sFrameBitmap = null; | |
113 } | 116 } |
114 | 117 |
115 disconnectNative(); | 118 disconnectNative(); |
116 sSuccessCallback = null; | 119 sSuccessCallback = null; |
117 sConnected = false; | 120 sConnected = false; |
118 } | 121 } |
119 | 122 |
120 /** Performs the native portion of the connection. */ | 123 /** Performs the native portion of the connection. */ |
121 private static native void connectNative(String username, String authToken, String hostJid, | 124 private static native void connectNative(String username, String authToken, String hostJid, |
122 String hostId, String hostPubkey, String pairId, String pairSecret); | 125 String hostId, String hostPubkey, String pairId, String pairSecret); |
123 | 126 |
124 /** Performs the native portion of the cleanup. */ | 127 /** Performs the native portion of the cleanup. */ |
125 private static native void disconnectNative(); | 128 private static native void disconnectNative(); |
126 | 129 |
127 /** Position of cursor hotspot within cursor image. */ | 130 /** Position of cursor hotspot within cursor image. */ |
128 public static Point getCursorHotspot() { return sCursorHotspot; } | 131 public static Point getCursorHotspot() { return sCursorHotspot; } |
129 | 132 |
130 /** Returns the current cursor shape. */ | 133 /** Returns the current cursor shape. */ |
131 public static Bitmap getCursorBitmap() { return sCursorBitmap; } | 134 public static Bitmap getCursorBitmap() { return sCursorBitmap; } |
132 | 135 |
133 /* | 136 /* |
134 * Entry points *from* the native code. | 137 * Entry points *from* the native code. |
135 */ | 138 */ |
136 /** Callback to signal whenever we need to redraw. */ | 139 /** Callback to signal whenever we need to redraw. */ |
137 private static Runnable sRedrawCallback = null; | 140 private static Runnable sRedrawCallback = null; |
138 | 141 |
139 /** Screen width of the video feed. */ | 142 /** Bitmap holding a copy of the latest video frame. */ |
140 private static int sWidth = 0; | 143 private static Bitmap sFrameBitmap = null; |
141 | |
142 /** Screen height of the video feed. */ | |
143 private static int sHeight = 0; | |
144 | |
145 /** Bitmap holding the latest screen image. */ | |
146 private static Bitmap sBitmap = null; | |
147 | |
148 /** Buffer holding the video feed. */ | |
149 private static ByteBuffer sBuffer = null; | |
150 | 144 |
151 /** Position of cursor hot-spot. */ | 145 /** Position of cursor hot-spot. */ |
152 private static Point sCursorHotspot = new Point(); | 146 private static Point sCursorHotspot = new Point(); |
153 | 147 |
154 /** Bitmap holding the cursor shape. */ | 148 /** Bitmap holding the cursor shape. */ |
155 private static Bitmap sCursorBitmap = null; | 149 private static Bitmap sCursorBitmap = null; |
156 | 150 |
157 /** Reports whenever the connection status changes. */ | 151 /** Reports whenever the connection status changes. */ |
158 private static void reportConnectionStatus(int state, int error) { | 152 private static void reportConnectionStatus(int state, int error) { |
159 if (state < SUCCESSFUL_CONNECTION && error == 0) { | 153 if (state < SUCCESSFUL_CONNECTION && error == 0) { |
(...skipping 134 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
294 return true; | 288 return true; |
295 } | 289 } |
296 | 290 |
297 /** Performs the redrawing callback. This is a no-op if the window isn't vis ible. */ | 291 /** Performs the redrawing callback. This is a no-op if the window isn't vis ible. */ |
298 private static void redrawGraphicsInternal() { | 292 private static void redrawGraphicsInternal() { |
299 if (sRedrawCallback != null) | 293 if (sRedrawCallback != null) |
300 sRedrawCallback.run(); | 294 sRedrawCallback.run(); |
301 } | 295 } |
302 | 296 |
303 /** | 297 /** |
304 * Obtains the image buffer. | 298 * Returns a bitmap of the latest video frame. Called on the native graphics thread when |
305 * This should not be called from the UI thread. (We prefer the native graph ics thread.) | 299 * DesktopView is repainted. |
306 */ | 300 */ |
307 public static Bitmap retrieveVideoFrame() { | 301 public static Bitmap getVideoFrame() { |
308 if (Looper.myLooper() == Looper.getMainLooper()) { | 302 if (Looper.myLooper() == Looper.getMainLooper()) { |
309 Log.w("jniiface", "Canvas being redrawn on UI thread"); | 303 Log.w("jniiface", "Canvas being redrawn on UI thread"); |
310 } | 304 } |
311 | 305 |
312 if (!sConnected) { | 306 if (!sConnected) { |
313 return null; | 307 return null; |
314 } | 308 } |
315 | 309 |
316 // This is synchronized only to silence a findbugs warning about incorre ct initialization of | 310 return sFrameBitmap; |
317 // |sBitmap|. | |
318 // TODO(lambroslambrou): Annotate this class as @NotThreadSafe to preven t similar warnings | |
319 // in future. | |
320 synchronized (JniInterface.class) { | |
321 if (sBitmap == null || sBitmap.getWidth() != sWidth || sBitmap.getHe ight() != sHeight) { | |
322 sBitmap = Bitmap.createBitmap(sWidth, sHeight, Bitmap.Config.ARG B_8888); | |
323 } | |
324 } | |
325 | |
326 sBuffer.rewind(); | |
327 sBitmap.copyPixelsFromBuffer(sBuffer); | |
328 return sBitmap; | |
329 } | 311 } |
330 | 312 |
331 /** | 313 /** |
314 * Sets a new video frame. Called from native code on the native graphics th read when a new | |
315 * frame is allocated. | |
316 */ | |
317 private static void setVideoFrame(Bitmap bitmap) { | |
318 if (Looper.myLooper() == Looper.getMainLooper()) { | |
319 Log.w("jniiface", "Video frame updated on UI thread"); | |
320 } | |
321 | |
322 synchronized (JniInterface.class) { | |
Yaron
2013/10/09 06:42:30
I believe this will trigger a findbugs error. We d
Lambros
2013/10/10 01:35:58
There are already lots of these in this file. I've
| |
323 sFrameBitmap = bitmap; | |
324 } | |
325 } | |
326 | |
327 /** | |
328 * Creates a new Bitmap to hold video frame pixels. Called by native code wh ich stores a global | |
329 * reference to the Bitmap and writes the decoded frame pixels to it. | |
330 */ | |
331 private static Bitmap newBitmap(int width, int height) { | |
332 return Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); | |
333 } | |
334 | |
335 /** | |
332 * Updates the cursor shape. This is called from native code on the graphics thread when | 336 * Updates the cursor shape. This is called from native code on the graphics thread when |
333 * receiving a new cursor shape from the host. | 337 * receiving a new cursor shape from the host. |
334 */ | 338 */ |
335 public static void updateCursorShape(int width, int height, int hotspotX, in t hotspotY, | 339 public static void updateCursorShape(int width, int height, int hotspotX, in t hotspotY, |
336 ByteBuffer buffer) { | 340 ByteBuffer buffer) { |
337 sCursorHotspot = new Point(hotspotX, hotspotY); | 341 sCursorHotspot = new Point(hotspotX, hotspotY); |
338 | 342 |
339 int[] data = new int[width * height]; | 343 int[] data = new int[width * height]; |
340 buffer.order(ByteOrder.LITTLE_ENDIAN); | 344 buffer.order(ByteOrder.LITTLE_ENDIAN); |
341 buffer.asIntBuffer().get(data, 0, data.length); | 345 buffer.asIntBuffer().get(data, 0, data.length); |
(...skipping 23 matching lines...) Expand all Loading... | |
365 | 369 |
366 /** Schedules a redraw on the native graphics thread. */ | 370 /** Schedules a redraw on the native graphics thread. */ |
367 private static native void scheduleRedrawNative(); | 371 private static native void scheduleRedrawNative(); |
368 | 372 |
369 /** Passes mouse information to the native handling code. */ | 373 /** Passes mouse information to the native handling code. */ |
370 private static native void mouseActionNative(int x, int y, int whichButton, boolean buttonDown); | 374 private static native void mouseActionNative(int x, int y, int whichButton, boolean buttonDown); |
371 | 375 |
372 /** Passes key press information to the native handling code. */ | 376 /** Passes key press information to the native handling code. */ |
373 private static native void keyboardActionNative(int keyCode, boolean keyDown ); | 377 private static native void keyboardActionNative(int keyCode, boolean keyDown ); |
374 } | 378 } |
OLD | NEW |