diff options
Diffstat (limited to 'OpenPGP-Keychain/android-libs/ActionBarSherlock/src/com/actionbarsherlock/internal/view/menu/ActionMenuItemView.java')
-rw-r--r-- | OpenPGP-Keychain/android-libs/ActionBarSherlock/src/com/actionbarsherlock/internal/view/menu/ActionMenuItemView.java | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/OpenPGP-Keychain/android-libs/ActionBarSherlock/src/com/actionbarsherlock/internal/view/menu/ActionMenuItemView.java b/OpenPGP-Keychain/android-libs/ActionBarSherlock/src/com/actionbarsherlock/internal/view/menu/ActionMenuItemView.java new file mode 100644 index 000000000..dcb50f362 --- /dev/null +++ b/OpenPGP-Keychain/android-libs/ActionBarSherlock/src/com/actionbarsherlock/internal/view/menu/ActionMenuItemView.java @@ -0,0 +1,295 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.actionbarsherlock.internal.view.menu; + +import java.util.HashSet; +import java.util.Set; +import android.content.Context; +import android.content.res.TypedArray; +import android.graphics.Rect; +import android.graphics.drawable.Drawable; +import android.os.Build; +import android.text.TextUtils; +import android.util.AttributeSet; +import android.view.Gravity; +import android.view.MotionEvent; +import android.view.View; +import android.view.accessibility.AccessibilityEvent; +import android.widget.ImageButton; +import android.widget.LinearLayout; +import android.widget.Toast; + +import com.actionbarsherlock.R; +import com.actionbarsherlock.internal.view.View_HasStateListenerSupport; +import com.actionbarsherlock.internal.view.View_OnAttachStateChangeListener; +import com.actionbarsherlock.internal.widget.CapitalizingButton; + +import static com.actionbarsherlock.internal.ResourcesCompat.getResources_getBoolean; + +/** + * @hide + */ +public class ActionMenuItemView extends LinearLayout + implements MenuView.ItemView, View.OnClickListener, View.OnLongClickListener, + ActionMenuView.ActionMenuChildView, View_HasStateListenerSupport { + //UNUSED private static final String TAG = "ActionMenuItemView"; + + private MenuItemImpl mItemData; + private CharSequence mTitle; + private MenuBuilder.ItemInvoker mItemInvoker; + + private ImageButton mImageButton; + private CapitalizingButton mTextButton; + private boolean mAllowTextWithIcon; + private boolean mExpandedFormat; + private int mMinWidth; + + private final Set<View_OnAttachStateChangeListener> mListeners = new HashSet<View_OnAttachStateChangeListener>(); + + public ActionMenuItemView(Context context) { + this(context, null); + } + + public ActionMenuItemView(Context context, AttributeSet attrs) { + this(context, attrs, 0); + } + + public ActionMenuItemView(Context context, AttributeSet attrs, int defStyle) { + //TODO super(context, attrs, defStyle); + super(context, attrs); + mAllowTextWithIcon = getResources_getBoolean(context, + R.bool.abs__config_allowActionMenuItemTextWithIcon); + TypedArray a = context.obtainStyledAttributes(attrs, + R.styleable.SherlockActionMenuItemView, 0, 0); + mMinWidth = a.getDimensionPixelSize( + R.styleable.SherlockActionMenuItemView_android_minWidth, 0); + a.recycle(); + } + + @Override + public void addOnAttachStateChangeListener(View_OnAttachStateChangeListener listener) { + mListeners.add(listener); + } + + @Override + public void removeOnAttachStateChangeListener(View_OnAttachStateChangeListener listener) { + mListeners.remove(listener); + } + + @Override + protected void onAttachedToWindow() { + super.onAttachedToWindow(); + for (View_OnAttachStateChangeListener listener : mListeners) { + listener.onViewAttachedToWindow(this); + } + } + + @Override + protected void onDetachedFromWindow() { + super.onDetachedFromWindow(); + for (View_OnAttachStateChangeListener listener : mListeners) { + listener.onViewDetachedFromWindow(this); + } + } + + @Override + public void onFinishInflate() { + + mImageButton = (ImageButton) findViewById(R.id.abs__imageButton); + mTextButton = (CapitalizingButton) findViewById(R.id.abs__textButton); + mImageButton.setOnClickListener(this); + mTextButton.setOnClickListener(this); + mImageButton.setOnLongClickListener(this); + setOnClickListener(this); + setOnLongClickListener(this); + } + + public MenuItemImpl getItemData() { + return mItemData; + } + + public void initialize(MenuItemImpl itemData, int menuType) { + mItemData = itemData; + + setIcon(itemData.getIcon()); + setTitle(itemData.getTitleForItemView(this)); // Title only takes effect if there is no icon + setId(itemData.getItemId()); + + setVisibility(itemData.isVisible() ? View.VISIBLE : View.GONE); + setEnabled(itemData.isEnabled()); + } + + @Override + public void setEnabled(boolean enabled) { + super.setEnabled(enabled); + mImageButton.setEnabled(enabled); + mTextButton.setEnabled(enabled); + } + + public void onClick(View v) { + if (mItemInvoker != null) { + mItemInvoker.invokeItem(mItemData); + } + } + + public void setItemInvoker(MenuBuilder.ItemInvoker invoker) { + mItemInvoker = invoker; + } + + public boolean prefersCondensedTitle() { + return true; + } + + public void setCheckable(boolean checkable) { + // TODO Support checkable action items + } + + public void setChecked(boolean checked) { + // TODO Support checkable action items + } + + public void setExpandedFormat(boolean expandedFormat) { + if (mExpandedFormat != expandedFormat) { + mExpandedFormat = expandedFormat; + if (mItemData != null) { + mItemData.actionFormatChanged(); + } + } + } + + private void updateTextButtonVisibility() { + boolean visible = !TextUtils.isEmpty(mTextButton.getText()); + visible &= mImageButton.getDrawable() == null || + (mItemData.showsTextAsAction() && (mAllowTextWithIcon || mExpandedFormat)); + + mTextButton.setVisibility(visible ? VISIBLE : GONE); + } + + public void setIcon(Drawable icon) { + mImageButton.setImageDrawable(icon); + if (icon != null) { + mImageButton.setVisibility(VISIBLE); + } else { + mImageButton.setVisibility(GONE); + } + + updateTextButtonVisibility(); + } + + public boolean hasText() { + return mTextButton.getVisibility() != GONE; + } + + public void setShortcut(boolean showShortcut, char shortcutKey) { + // Action buttons don't show text for shortcut keys. + } + + public void setTitle(CharSequence title) { + mTitle = title; + + mTextButton.setTextCompat(mTitle); + + setContentDescription(mTitle); + updateTextButtonVisibility(); + } + + @Override + public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) { + onPopulateAccessibilityEvent(event); + return true; + } + + @Override + public void onPopulateAccessibilityEvent(AccessibilityEvent event) { + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { + super.onPopulateAccessibilityEvent(event); + } + final CharSequence cdesc = getContentDescription(); + if (!TextUtils.isEmpty(cdesc)) { + event.getText().add(cdesc); + } + } + + @Override + public boolean dispatchHoverEvent(MotionEvent event) { + // Don't allow children to hover; we want this to be treated as a single component. + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { + return onHoverEvent(event); + } + return false; + } + + public boolean showsIcon() { + return true; + } + + public boolean needsDividerBefore() { + return hasText() && mItemData.getIcon() == null; + } + + public boolean needsDividerAfter() { + return hasText(); + } + + @Override + public boolean onLongClick(View v) { + if (hasText()) { + // Don't show the cheat sheet for items that already show text. + return false; + } + + final int[] screenPos = new int[2]; + final Rect displayFrame = new Rect(); + getLocationOnScreen(screenPos); + getWindowVisibleDisplayFrame(displayFrame); + + final Context context = getContext(); + final int width = getWidth(); + final int height = getHeight(); + final int midy = screenPos[1] + height / 2; + final int screenWidth = context.getResources().getDisplayMetrics().widthPixels; + + Toast cheatSheet = Toast.makeText(context, mItemData.getTitle(), Toast.LENGTH_SHORT); + if (midy < displayFrame.height()) { + // Show along the top; follow action buttons + cheatSheet.setGravity(Gravity.TOP | Gravity.RIGHT, + screenWidth - screenPos[0] - width / 2, height); + } else { + // Show along the bottom center + cheatSheet.setGravity(Gravity.BOTTOM | Gravity.CENTER_HORIZONTAL, 0, height); + } + cheatSheet.show(); + return true; + } + + @Override + protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { + super.onMeasure(widthMeasureSpec, heightMeasureSpec); + + final int widthMode = MeasureSpec.getMode(widthMeasureSpec); + final int specSize = MeasureSpec.getSize(widthMeasureSpec); + final int oldMeasuredWidth = getMeasuredWidth(); + final int targetWidth = widthMode == MeasureSpec.AT_MOST ? Math.min(specSize, mMinWidth) + : mMinWidth; + + if (widthMode != MeasureSpec.EXACTLY && mMinWidth > 0 && oldMeasuredWidth < targetWidth) { + // Remeasure at exactly the minimum width. + super.onMeasure(MeasureSpec.makeMeasureSpec(targetWidth, MeasureSpec.EXACTLY), + heightMeasureSpec); + } + } +} |