Java Code Examples for org.chromium.ui.base.WindowAndroid#activityFromContext()

/**
 * @return {@link ChromeActivity} that currently contains this {@link Tab} in its
 *         {@link TabModel}.
 */
ChromeActivity getActivity() {
    Activity activity = WindowAndroid.activityFromContext(
            getWindowAndroid().getContext().get());
    if (activity instanceof ChromeActivity) return (ChromeActivity) activity;
    return null;
}
 

/**
 * Get a {@link Context} linked to this delegate with preference to {@link Activity}.
 * The tab this delegate associates with can swap the {@link Activity} it is hosted in and
 * during the swap, there might not be an available {@link Activity}.
 * @return The activity {@link Context} if it can be reached.
 *         Application {@link Context} if not.
 */
protected final Context getAvailableContext() {
    if (mTab.getWindowAndroid() == null) return mApplicationContext;
    Context activityContext = WindowAndroid.activityFromContext(
            mTab.getWindowAndroid().getContext().get());
    if (activityContext == null) return mApplicationContext;
    return activityContext;
}
 

/**
 * @return {@link ChromeActivity} that currently contains this {@link Tab} in its
 *         {@link TabModel}.
 */
ChromeActivity getActivity() {
    if (getWindowAndroid() == null) return null;
    Activity activity = WindowAndroid.activityFromContext(
            getWindowAndroid().getContext().get());
    if (activity instanceof ChromeActivity) return (ChromeActivity) activity;
    return null;
}
 

/**
 * Get a {@link Context} linked to this delegate with preference to {@link Activity}.
 * The tab this delegate associates with can swap the {@link Activity} it is hosted in and
 * during the swap, there might not be an available {@link Activity}.
 * @return The activity {@link Context} if it can be reached.
 *         Application {@link Context} if not.
 */
protected final Context getAvailableContext() {
    if (mTab.getWindowAndroid() == null) return mApplicationContext;
    Context activityContext = WindowAndroid.activityFromContext(
            mTab.getWindowAndroid().getContext().get());
    if (activityContext == null) return mApplicationContext;
    return activityContext;
}
 

@Override
public boolean exitFromVr(int requestCode, final Intent intent) {
    Activity activity = WindowAndroid.activityFromContext(mContext);
    Assert.assertNotNull(activity);
    DaydreamApi daydreamApi = DaydreamApi.create(activity);
    if (daydreamApi == null) return false;
    daydreamApi.exitFromVr(activity, requestCode, intent);
    daydreamApi.close();
    return true;
}
 

/**
 * @return {@link ChromeActivity} that currently contains this {@link Tab} in its
 *         {@link TabModel}.
 */
public ChromeActivity getActivity() {
    if (getWindowAndroid() == null) return null;
    Activity activity = WindowAndroid.activityFromContext(
            getWindowAndroid().getContext().get());
    if (activity instanceof ChromeActivity) return (ChromeActivity) activity;
    return null;
}
 

/**
 * Get a {@link Context} linked to this delegate with preference to {@link Activity}.
 * The tab this delegate associates with can swap the {@link Activity} it is hosted in and
 * during the swap, there might not be an available {@link Activity}.
 * @return The activity {@link Context} if it can be reached.
 *         Application {@link Context} if not.
 */
protected final Context getAvailableContext() {
    if (mTab.getWindowAndroid() == null) return mApplicationContext;
    Context activityContext = WindowAndroid.activityFromContext(
            mTab.getWindowAndroid().getContext().get());
    if (activityContext == null) return mApplicationContext;
    return activityContext;
}
 

@CalledByNative
public static ColorChooserAndroid createColorChooserAndroid(
        long nativeColorChooserAndroid,
        ContentViewCore contentViewCore,
        int initialColor,
        ColorSuggestion[] suggestions) {
    if (contentViewCore.getWindowAndroid() == null) return null;
    Context windowContext = contentViewCore.getWindowAndroid().getContext().get();
    if (WindowAndroid.activityFromContext(windowContext) == null) return null;
    ColorChooserAndroid chooser = new ColorChooserAndroid(nativeColorChooserAndroid,
            windowContext, initialColor, suggestions);
    chooser.openColorChooser();
    return chooser;
}
 

@CalledByNative
public void onMediaPlayerError(int errorType) {
    Log.d(TAG, "OnMediaPlayerError: %d", errorType);
    if (mCurrentState == STATE_ERROR) {
        return;
    }

    // Ignore some invalid error codes.
    if (errorType == MEDIA_ERROR_INVALID_CODE) {
        return;
    }

    mCurrentState = STATE_ERROR;

    if (WindowAndroid.activityFromContext(getContext()) == null) {
        Log.w(TAG, "Unable to show alert dialog because it requires an activity context");
        return;
    }

    /* Pop up an error dialog so the user knows that
     * something bad has happened. Only try and pop up the dialog
     * if we're attached to a window. When we're going away and no
     * longer have a window, don't bother showing the user an error.
     *
     * TODO(qinmin): We need to review whether this Dialog is OK with
     * the rest of the browser UI elements.
     */
    if (getWindowToken() != null) {
        String message;

        if (errorType == MEDIA_ERROR_NOT_VALID_FOR_PROGRESSIVE_PLAYBACK) {
            message = mPlaybackErrorText;
        } else {
            message = mUnknownErrorText;
        }

        try {
            new AlertDialog.Builder(getContext())
                    .setTitle(mErrorTitle)
                    .setMessage(message)
                    .setPositiveButton(mErrorButton,
                            new DialogInterface.OnClickListener() {
                                @Override
                                public void onClick(DialogInterface dialog, int whichButton) {}
                            })
                    .setCancelable(false)
                    .show();
        } catch (RuntimeException e) {
            Log.e(TAG, "Cannot show the alert dialog, error message: %s", message, e);
        }
    }
}