import org.chromium.content.browser.input.ImeAdapter; //导入依赖的package包/类
/**
 * @see View#onConfigurationChanged(Configuration)
 */
@SuppressWarnings("javadoc")
public void onConfigurationChanged(Configuration newConfig) {
    TraceEvent.begin();

    if (newConfig.keyboard != Configuration.KEYBOARD_NOKEYS) {
        mImeAdapter.attach(nativeGetNativeImeAdapter(mNativeContentViewCore),
                ImeAdapter.getTextInputTypeNone(),
                AdapterInputConnection.INVALID_SELECTION,
                AdapterInputConnection.INVALID_SELECTION);
        InputMethodManager manager = (InputMethodManager)
                getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
        manager.restartInput(mContainerView);
    }
    mContainerViewInternals.super_onConfigurationChanged(newConfig);
    mNeedUpdateOrientationChanged = true;
    TraceEvent.end();
}
 

import org.chromium.content.browser.input.ImeAdapter; //导入依赖的package包/类
@SuppressWarnings("unused")
@CalledByNative
private void updateImeAdapter(int nativeImeAdapterAndroid, int textInputType,
        String text, int selectionStart, int selectionEnd,
        int compositionStart, int compositionEnd, boolean showImeIfNeeded) {
    TraceEvent.begin();
    mSelectionEditable = (textInputType != ImeAdapter.getTextInputTypeNone());

    if (mActionMode != null) mActionMode.invalidate();

    mImeAdapter.attachAndShowIfNeeded(nativeImeAdapterAndroid, textInputType,
            selectionStart, selectionEnd, showImeIfNeeded);

    if (mInputConnection != null) {
        mInputConnection.setEditableText(text, selectionStart, selectionEnd,
                compositionStart, compositionEnd);
    }
    TraceEvent.end();
}
 

import org.chromium.content.browser.input.ImeAdapter; //导入依赖的package包/类
@CalledByNative
private void updateImeAdapter(int nativeImeAdapterAndroid, int textInputType,
        String text, int selectionStart, int selectionEnd,
        int compositionStart, int compositionEnd, boolean showImeIfNeeded, boolean requireAck) {
    TraceEvent.begin();
    mSelectionEditable = (textInputType != ImeAdapter.getTextInputTypeNone());

    if (mActionMode != null) mActionMode.invalidate();

    mImeAdapter.attachAndShowIfNeeded(nativeImeAdapterAndroid, textInputType,
            selectionStart, selectionEnd, showImeIfNeeded);

    if (mInputConnection != null) {
        mInputConnection.updateState(text, selectionStart, selectionEnd, compositionStart,
                compositionEnd, requireAck);
    }
    TraceEvent.end();
}
 

import org.chromium.content.browser.input.ImeAdapter; //导入依赖的package包/类
/**
 * @see View#onConfigurationChanged(Configuration)
 */
@SuppressWarnings("javadoc")
public void onConfigurationChanged(Configuration newConfig) {
    TraceEvent.begin();

    if (newConfig.keyboard != Configuration.KEYBOARD_NOKEYS) {
        mImeAdapter.attach(nativeGetNativeImeAdapter(mNativeContentViewCore),
                ImeAdapter.getTextInputTypeNone(),
                AdapterInputConnection.INVALID_SELECTION,
                AdapterInputConnection.INVALID_SELECTION);
        InputMethodManager manager = (InputMethodManager)
                getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
        manager.restartInput(mContainerView);
    }
    mContainerViewInternals.super_onConfigurationChanged(newConfig);
    // Make sure the size is up to date in JavaScript's window.onorientationchanged.
    mContainerView.addOnLayoutChangeListener(new View.OnLayoutChangeListener() {
        @Override
        public void onLayoutChange(View v, int left, int top, int right, int bottom,
                int oldLeft, int oldTop, int oldRight, int oldBottom) {
            mContainerView.removeOnLayoutChangeListener(this);
            sendOrientationChangeEvent();
        }
    });
    // To request layout has side effect, but it seems OK as it only happen in
    // onConfigurationChange and layout has to be changed in most case.
    mContainerView.requestLayout();
    TraceEvent.end();
}
 

import org.chromium.content.browser.input.ImeAdapter; //导入依赖的package包/类
@VisibleForTesting
public void setImeAdapterForTest(ImeAdapter imeAdapter) {
    mImeAdapter = imeAdapter;
}
 

import org.chromium.content.browser.input.ImeAdapter; //导入依赖的package包/类
@VisibleForTesting
public ImeAdapter getImeAdapterForTest() {
    return mImeAdapter;
}
 

import org.chromium.content.browser.input.ImeAdapter; //导入依赖的package包/类
private ImeAdapter createImeAdapter(Context context) {
    return new ImeAdapter(new InputMethodManagerWrapper(context),
            new ImeAdapter.ImeAdapterDelegate() {
                @Override
                public void onImeEvent(boolean isFinish) {
                    getContentViewClient().onImeEvent();
                    if (!isFinish) {
                        hideHandles();
                        undoScrollFocusedEditableNodeIntoViewIfNeeded(false);
                    }
                }

                @Override
                public void onSetFieldValue() {
                    scrollFocusedEditableNodeIntoView();
                }

                @Override
                public void onDismissInput() {
                    getContentViewClient().onImeStateChangeRequested(false);
                }

                @Override
                public View getAttachedView() {
                    return mContainerView;
                }

                @Override
                public ResultReceiver getNewShowKeyboardReceiver() {
                    return new ResultReceiver(new Handler()) {
                        @Override
                        public void onReceiveResult(int resultCode, Bundle resultData) {
                            getContentViewClient().onImeStateChangeRequested(
                                    resultCode == InputMethodManager.RESULT_SHOWN ||
                                    resultCode == InputMethodManager.RESULT_UNCHANGED_SHOWN);
                            if (resultCode == InputMethodManager.RESULT_SHOWN) {
                                // If OSK is newly shown, delay the form focus until
                                // the onSizeChanged (in order to adjust relative to the
                                // new size).
                                getContainerView().getWindowVisibleDisplayFrame(
                                        mFocusPreOSKViewportRect);
                            } else if (resultCode ==
                                    InputMethodManager.RESULT_UNCHANGED_SHOWN) {
                                // If the OSK was already there, focus the form immediately.
                                scrollFocusedEditableNodeIntoView();
                            } else {
                                undoScrollFocusedEditableNodeIntoViewIfNeeded(false);
                            }
                        }
                    };
                }
            }
    );
}
 

import org.chromium.content.browser.input.ImeAdapter; //导入依赖的package包/类
private ImeAdapter createImeAdapter(Context context) {
    return new ImeAdapter(new InputMethodManagerWrapper(context),
            new ImeAdapter.ImeAdapterDelegate() {
                @Override
                public void onImeEvent(boolean isFinish) {
                    getContentViewClient().onImeEvent();
                    if (!isFinish) {
                        hideHandles();
                        undoScrollFocusedEditableNodeIntoViewIfNeeded(false);
                    }
                }

                @Override
                public void onSetFieldValue() {
                    scrollFocusedEditableNodeIntoView();
                }

                @Override
                public void onDismissInput() {
                    getContentViewClient().onImeStateChangeRequested(false);
                }

                @Override
                public View getAttachedView() {
                    return mContainerView;
                }

                @Override
                public ResultReceiver getNewShowKeyboardReceiver() {
                    return new ResultReceiver(new Handler()) {
                        @Override
                        public void onReceiveResult(int resultCode, Bundle resultData) {
                            getContentViewClient().onImeStateChangeRequested(
                                    resultCode == InputMethodManager.RESULT_SHOWN ||
                                    resultCode == InputMethodManager.RESULT_UNCHANGED_SHOWN);
                            if (resultCode == InputMethodManager.RESULT_SHOWN) {
                                // If OSK is newly shown, delay the form focus until
                                // the onSizeChanged (in order to adjust relative to the
                                // new size).
                                // TODO(jdduke): We should not assume that onSizeChanged will
                                // always be called, crbug.com/294908.
                                getContainerView().getWindowVisibleDisplayFrame(
                                        mFocusPreOSKViewportRect);
                            } else if (resultCode ==
                                    InputMethodManager.RESULT_UNCHANGED_SHOWN) {
                                // If the OSK was already there, focus the form immediately.
                                scrollFocusedEditableNodeIntoView();
                            } else {
                                undoScrollFocusedEditableNodeIntoViewIfNeeded(false);
                            }
                        }
                    };
                }
            }
    );
}