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package org.codeaurora.gallery3d.video;
import android.util.Log;
import java.util.ArrayList;
public class ScreenModeManager {
private static final String TAG = "ScreenModeManager";
private static final boolean LOG = false;
//support screen mode.
public static final int SCREENMODE_BIGSCREEN = 1;
public static final int SCREENMODE_FULLSCREEN = 2;
public static final int SCREENMODE_CROPSCREEN = 4;
public static final int SCREENMODE_ALL = 7;
private int mScreenMode = SCREENMODE_BIGSCREEN;
private int mScreenModes = SCREENMODE_ALL;
/**
* Enable specified screen mode list.
* The screen mode's value determines the order of being shown.
* <br>you can enable three screen modes by setting screenModes =
* {@link #SCREENMODE_BIGSCREEN} |
* {@link #SCREENMODE_FULLSCREEN} |
* {@link #SCREENMODE_CROPSCREEN} or
* just enable two screen modes by setting screenModes =
* {@link #SCREENMODE_BIGSCREEN} |
* {@link #SCREENMODE_CROPSCREEN}.
* <br>If current screen mode is the last one of the ordered list,
* then the next screen mode will be the first one of the ordered list.
* @param screenModes enabled screen mode list.
*/
public void setScreenModes(final int screenModes) {
mScreenModes = (SCREENMODE_BIGSCREEN & screenModes)
| (SCREENMODE_FULLSCREEN & screenModes)
| (SCREENMODE_CROPSCREEN & screenModes);
if ((screenModes & SCREENMODE_ALL) == 0) {
mScreenModes = SCREENMODE_ALL;
Log.w(TAG, "wrong screenModes=" + screenModes + ". use default value " + SCREENMODE_ALL);
}
if (LOG) {
Log.v(TAG, "enableScreenMode(" + screenModes + ") mScreenModes=" + mScreenModes);
}
}
/**
* Get the all screen modes of media controller.
* <br><b>Note:</b> it is not the video's current screen mode.
* @return the current screen modes.
*/
public int getScreenModes() {
return mScreenModes;
}
public void setScreenMode(final int curScreenMode) {
if (LOG) {
Log.v(TAG, "setScreenMode(" + curScreenMode + ")");
}
mScreenMode = curScreenMode;
for (final ScreenModeListener listener : mListeners) {
listener.onScreenModeChanged(curScreenMode);
}
}
public int getScreenMode() {
if (LOG) {
Log.v(TAG, "getScreenMode() return " + mScreenMode);
}
return mScreenMode;
}
public int getNextScreenMode() {
int mode = getScreenMode();
mode <<= 1;
if ((mode & mScreenModes) == 0) {
//not exist, find the right one
if (mode > mScreenModes) {
mode = 1;
}
while ((mode & mScreenModes) == 0) {
mode <<= 1;
if (mode > mScreenModes) {
throw new RuntimeException("wrong screen mode = " + mScreenModes);
}
}
}
if (LOG) {
Log.v(TAG, "getNextScreenMode() = " + mode);
}
return mode;
}
private final ArrayList<ScreenModeListener> mListeners = new ArrayList<ScreenModeListener>();
public void addListener(final ScreenModeListener l) {
if (!mListeners.contains(l)) {
mListeners.add(l);
}
if (LOG) {
Log.v(TAG, "addListener(" + l + ")");
}
}
public void removeListener(final ScreenModeListener l) {
mListeners.remove(l);
if (LOG) {
Log.v(TAG, "removeListener(" + l + ")");
}
}
public void clear() {
mListeners.clear();
}
public interface ScreenModeListener {
void onScreenModeChanged(int newMode);
}
}
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