| /* |
| * Copyright (C) 2015 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.android.internal.policy; |
| |
| import com.android.internal.R; |
| import com.android.internal.policy.PhoneWindow.PanelFeatureState; |
| import com.android.internal.policy.PhoneWindow.PhoneWindowMenuCallback; |
| import com.android.internal.view.FloatingActionMode; |
| import com.android.internal.view.RootViewSurfaceTaker; |
| import com.android.internal.view.StandaloneActionMode; |
| import com.android.internal.view.menu.ContextMenuBuilder; |
| import com.android.internal.view.menu.MenuHelper; |
| import com.android.internal.widget.ActionBarContextView; |
| import com.android.internal.widget.BackgroundFallback; |
| import com.android.internal.widget.DecorCaptionView; |
| import com.android.internal.widget.FloatingToolbar; |
| |
| import java.util.List; |
| |
| import android.animation.Animator; |
| import android.animation.ObjectAnimator; |
| import android.app.ActivityManager; |
| import android.content.Context; |
| import android.content.res.Configuration; |
| import android.content.res.Resources; |
| import android.graphics.Canvas; |
| import android.graphics.Color; |
| import android.graphics.LinearGradient; |
| import android.graphics.Paint; |
| import android.graphics.PixelFormat; |
| import android.graphics.Rect; |
| import android.graphics.Shader; |
| import android.graphics.drawable.Drawable; |
| import android.os.Build; |
| import android.os.RemoteException; |
| import android.util.DisplayMetrics; |
| import android.util.Log; |
| import android.util.TypedValue; |
| import android.view.ActionMode; |
| import android.view.ContextThemeWrapper; |
| import android.view.DisplayListCanvas; |
| import android.view.Gravity; |
| import android.view.InputQueue; |
| import android.view.KeyEvent; |
| import android.view.KeyboardShortcutGroup; |
| import android.view.LayoutInflater; |
| import android.view.Menu; |
| import android.view.MenuItem; |
| import android.view.MotionEvent; |
| import android.view.ThreadedRenderer; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.ViewStub; |
| import android.view.ViewTreeObserver; |
| import android.view.Window; |
| import android.view.WindowCallbacks; |
| import android.view.WindowInsets; |
| import android.view.WindowManager; |
| import android.view.accessibility.AccessibilityEvent; |
| import android.view.accessibility.AccessibilityManager; |
| import android.view.animation.AnimationUtils; |
| import android.view.animation.Interpolator; |
| import android.widget.FrameLayout; |
| import android.widget.PopupWindow; |
| |
| import static android.app.ActivityManager.StackId; |
| import static android.app.ActivityManager.StackId.FULLSCREEN_WORKSPACE_STACK_ID; |
| import static android.app.ActivityManager.StackId.INVALID_STACK_ID; |
| import static android.content.res.Configuration.ORIENTATION_PORTRAIT; |
| import static android.view.View.MeasureSpec.AT_MOST; |
| import static android.view.View.MeasureSpec.EXACTLY; |
| import static android.view.View.MeasureSpec.getMode; |
| import static android.view.ViewGroup.LayoutParams.MATCH_PARENT; |
| import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT; |
| import static android.view.Window.DECOR_CAPTION_SHADE_DARK; |
| import static android.view.Window.DECOR_CAPTION_SHADE_LIGHT; |
| import static android.view.WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS; |
| import static android.view.WindowManager.LayoutParams.FLAG_FULLSCREEN; |
| import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR; |
| import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN; |
| import static android.view.WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER; |
| import static android.view.WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION; |
| import static android.view.WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS; |
| import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION; |
| import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION; |
| import static com.android.internal.policy.PhoneWindow.FEATURE_OPTIONS_PANEL; |
| |
| /** @hide */ |
| public class DecorView extends FrameLayout implements RootViewSurfaceTaker, WindowCallbacks { |
| private static final String TAG = "DecorView"; |
| |
| private static final boolean DEBUG_MEASURE = false; |
| |
| private static final boolean SWEEP_OPEN_MENU = false; |
| |
| // The height of a window which has focus in DIP. |
| private final static int DECOR_SHADOW_FOCUSED_HEIGHT_IN_DIP = 20; |
| // The height of a window which has not in DIP. |
| private final static int DECOR_SHADOW_UNFOCUSED_HEIGHT_IN_DIP = 5; |
| |
| // Cludge to address b/22668382: Set the shadow size to the maximum so that the layer |
| // size calculation takes the shadow size into account. We set the elevation currently |
| // to max until the first layout command has been executed. |
| private boolean mAllowUpdateElevation = false; |
| |
| private boolean mElevationAdjustedForStack = false; |
| |
| int mDefaultOpacity = PixelFormat.OPAQUE; |
| |
| /** The feature ID of the panel, or -1 if this is the application's DecorView */ |
| private final int mFeatureId; |
| |
| private final Rect mDrawingBounds = new Rect(); |
| |
| private final Rect mBackgroundPadding = new Rect(); |
| |
| private final Rect mFramePadding = new Rect(); |
| |
| private final Rect mFrameOffsets = new Rect(); |
| |
| private boolean mHasCaption = false; |
| |
| private boolean mChanging; |
| |
| private Drawable mMenuBackground; |
| private boolean mWatchingForMenu; |
| private int mDownY; |
| |
| ActionMode mPrimaryActionMode; |
| private ActionMode mFloatingActionMode; |
| private ActionBarContextView mPrimaryActionModeView; |
| private PopupWindow mPrimaryActionModePopup; |
| private Runnable mShowPrimaryActionModePopup; |
| private ViewTreeObserver.OnPreDrawListener mFloatingToolbarPreDrawListener; |
| private View mFloatingActionModeOriginatingView; |
| private FloatingToolbar mFloatingToolbar; |
| private ObjectAnimator mFadeAnim; |
| |
| // View added at runtime to draw under the status bar area |
| private View mStatusGuard; |
| // View added at runtime to draw under the navigation bar area |
| private View mNavigationGuard; |
| |
| private final ColorViewState mStatusColorViewState = new ColorViewState( |
| SYSTEM_UI_FLAG_FULLSCREEN, FLAG_TRANSLUCENT_STATUS, |
| Gravity.TOP, Gravity.LEFT, |
| Window.STATUS_BAR_BACKGROUND_TRANSITION_NAME, |
| com.android.internal.R.id.statusBarBackground, |
| FLAG_FULLSCREEN); |
| private final ColorViewState mNavigationColorViewState = new ColorViewState( |
| SYSTEM_UI_FLAG_HIDE_NAVIGATION, FLAG_TRANSLUCENT_NAVIGATION, |
| Gravity.BOTTOM, Gravity.RIGHT, |
| Window.NAVIGATION_BAR_BACKGROUND_TRANSITION_NAME, |
| com.android.internal.R.id.navigationBarBackground, |
| 0 /* hideWindowFlag */); |
| |
| private final Interpolator mShowInterpolator; |
| private final Interpolator mHideInterpolator; |
| private final int mBarEnterExitDuration; |
| private final boolean mForceWindowDrawsStatusBarBackground; |
| private final int mSemiTransparentStatusBarColor; |
| |
| private final BackgroundFallback mBackgroundFallback = new BackgroundFallback(); |
| |
| private int mLastTopInset = 0; |
| private int mLastBottomInset = 0; |
| private int mLastRightInset = 0; |
| private boolean mLastHasTopStableInset = false; |
| private boolean mLastHasBottomStableInset = false; |
| private boolean mLastHasRightStableInset = false; |
| private int mLastWindowFlags = 0; |
| |
| private int mRootScrollY = 0; |
| |
| private PhoneWindow mWindow; |
| |
| ViewGroup mContentRoot; |
| |
| private Rect mTempRect; |
| private Rect mOutsets = new Rect(); |
| |
| // This is the caption view for the window, containing the caption and window control |
| // buttons. The visibility of this decor depends on the workspace and the window type. |
| // If the window type does not require such a view, this member might be null. |
| DecorCaptionView mDecorCaptionView; |
| |
| // Stack window is currently in. Since querying and changing the stack is expensive, |
| // this is the stack value the window is currently set up for. |
| int mStackId; |
| |
| private boolean mWindowResizeCallbacksAdded = false; |
| private Drawable.Callback mLastBackgroundDrawableCb = null; |
| private BackdropFrameRenderer mBackdropFrameRenderer = null; |
| private Drawable mResizingBackgroundDrawable; |
| private Drawable mCaptionBackgroundDrawable; |
| private Drawable mUserCaptionBackgroundDrawable; |
| |
| private float mAvailableWidth; |
| |
| String mLogTag = TAG; |
| private final Rect mFloatingInsets = new Rect(); |
| private boolean mApplyFloatingVerticalInsets = false; |
| private boolean mApplyFloatingHorizontalInsets = false; |
| |
| private int mResizeMode = RESIZE_MODE_INVALID; |
| private final int mResizeShadowSize; |
| private final Paint mVerticalResizeShadowPaint = new Paint(); |
| private final Paint mHorizontalResizeShadowPaint = new Paint(); |
| |
| DecorView(Context context, int featureId, PhoneWindow window, |
| WindowManager.LayoutParams params) { |
| super(context); |
| mFeatureId = featureId; |
| |
| mShowInterpolator = AnimationUtils.loadInterpolator(context, |
| android.R.interpolator.linear_out_slow_in); |
| mHideInterpolator = AnimationUtils.loadInterpolator(context, |
| android.R.interpolator.fast_out_linear_in); |
| |
| mBarEnterExitDuration = context.getResources().getInteger( |
| R.integer.dock_enter_exit_duration); |
| mForceWindowDrawsStatusBarBackground = context.getResources().getBoolean( |
| R.bool.config_forceWindowDrawsStatusBarBackground); |
| mSemiTransparentStatusBarColor = context.getResources().getColor( |
| R.color.system_bar_background_semi_transparent, null /* theme */); |
| |
| updateAvailableWidth(); |
| |
| setWindow(window); |
| |
| updateLogTag(params); |
| |
| mResizeShadowSize = context.getResources().getDimensionPixelSize( |
| R.dimen.resize_shadow_size); |
| initResizingPaints(); |
| } |
| |
| void setBackgroundFallback(int resId) { |
| mBackgroundFallback.setDrawable(resId != 0 ? getContext().getDrawable(resId) : null); |
| setWillNotDraw(getBackground() == null && !mBackgroundFallback.hasFallback()); |
| } |
| |
| @Override |
| public void onDraw(Canvas c) { |
| super.onDraw(c); |
| mBackgroundFallback.draw(mContentRoot, c, mWindow.mContentParent); |
| } |
| |
| @Override |
| public boolean dispatchKeyEvent(KeyEvent event) { |
| final int keyCode = event.getKeyCode(); |
| final int action = event.getAction(); |
| final boolean isDown = action == KeyEvent.ACTION_DOWN; |
| |
| if (isDown && (event.getRepeatCount() == 0)) { |
| // First handle chording of panel key: if a panel key is held |
| // but not released, try to execute a shortcut in it. |
| if ((mWindow.mPanelChordingKey > 0) && (mWindow.mPanelChordingKey != keyCode)) { |
| boolean handled = dispatchKeyShortcutEvent(event); |
| if (handled) { |
| return true; |
| } |
| } |
| |
| // If a panel is open, perform a shortcut on it without the |
| // chorded panel key |
| if ((mWindow.mPreparedPanel != null) && mWindow.mPreparedPanel.isOpen) { |
| if (mWindow.performPanelShortcut(mWindow.mPreparedPanel, keyCode, event, 0)) { |
| return true; |
| } |
| } |
| } |
| |
| if (!mWindow.isDestroyed()) { |
| final Window.Callback cb = mWindow.getCallback(); |
| final boolean handled = cb != null && mFeatureId < 0 ? cb.dispatchKeyEvent(event) |
| : super.dispatchKeyEvent(event); |
| if (handled) { |
| return true; |
| } |
| } |
| |
| return isDown ? mWindow.onKeyDown(mFeatureId, event.getKeyCode(), event) |
| : mWindow.onKeyUp(mFeatureId, event.getKeyCode(), event); |
| } |
| |
| @Override |
| public boolean dispatchKeyShortcutEvent(KeyEvent ev) { |
| // If the panel is already prepared, then perform the shortcut using it. |
| boolean handled; |
| if (mWindow.mPreparedPanel != null) { |
| handled = mWindow.performPanelShortcut(mWindow.mPreparedPanel, ev.getKeyCode(), ev, |
| Menu.FLAG_PERFORM_NO_CLOSE); |
| if (handled) { |
| if (mWindow.mPreparedPanel != null) { |
| mWindow.mPreparedPanel.isHandled = true; |
| } |
| return true; |
| } |
| } |
| |
| // Shortcut not handled by the panel. Dispatch to the view hierarchy. |
| final Window.Callback cb = mWindow.getCallback(); |
| handled = cb != null && !mWindow.isDestroyed() && mFeatureId < 0 |
| ? cb.dispatchKeyShortcutEvent(ev) : super.dispatchKeyShortcutEvent(ev); |
| if (handled) { |
| return true; |
| } |
| |
| // If the panel is not prepared, then we may be trying to handle a shortcut key |
| // combination such as Control+C. Temporarily prepare the panel then mark it |
| // unprepared again when finished to ensure that the panel will again be prepared |
| // the next time it is shown for real. |
| PhoneWindow.PanelFeatureState st = |
| mWindow.getPanelState(Window.FEATURE_OPTIONS_PANEL, false); |
| if (st != null && mWindow.mPreparedPanel == null) { |
| mWindow.preparePanel(st, ev); |
| handled = mWindow.performPanelShortcut(st, ev.getKeyCode(), ev, |
| Menu.FLAG_PERFORM_NO_CLOSE); |
| st.isPrepared = false; |
| if (handled) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean dispatchTouchEvent(MotionEvent ev) { |
| final Window.Callback cb = mWindow.getCallback(); |
| return cb != null && !mWindow.isDestroyed() && mFeatureId < 0 |
| ? cb.dispatchTouchEvent(ev) : super.dispatchTouchEvent(ev); |
| } |
| |
| @Override |
| public boolean dispatchTrackballEvent(MotionEvent ev) { |
| final Window.Callback cb = mWindow.getCallback(); |
| return cb != null && !mWindow.isDestroyed() && mFeatureId < 0 |
| ? cb.dispatchTrackballEvent(ev) : super.dispatchTrackballEvent(ev); |
| } |
| |
| @Override |
| public boolean dispatchGenericMotionEvent(MotionEvent ev) { |
| final Window.Callback cb = mWindow.getCallback(); |
| return cb != null && !mWindow.isDestroyed() && mFeatureId < 0 |
| ? cb.dispatchGenericMotionEvent(ev) : super.dispatchGenericMotionEvent(ev); |
| } |
| |
| public boolean superDispatchKeyEvent(KeyEvent event) { |
| // Give priority to closing action modes if applicable. |
| if (event.getKeyCode() == KeyEvent.KEYCODE_BACK) { |
| final int action = event.getAction(); |
| // Back cancels action modes first. |
| if (mPrimaryActionMode != null) { |
| if (action == KeyEvent.ACTION_UP) { |
| mPrimaryActionMode.finish(); |
| } |
| return true; |
| } |
| } |
| |
| return super.dispatchKeyEvent(event); |
| } |
| |
| public boolean superDispatchKeyShortcutEvent(KeyEvent event) { |
| return super.dispatchKeyShortcutEvent(event); |
| } |
| |
| public boolean superDispatchTouchEvent(MotionEvent event) { |
| return super.dispatchTouchEvent(event); |
| } |
| |
| public boolean superDispatchTrackballEvent(MotionEvent event) { |
| return super.dispatchTrackballEvent(event); |
| } |
| |
| public boolean superDispatchGenericMotionEvent(MotionEvent event) { |
| return super.dispatchGenericMotionEvent(event); |
| } |
| |
| @Override |
| public boolean onTouchEvent(MotionEvent event) { |
| return onInterceptTouchEvent(event); |
| } |
| |
| private boolean isOutOfInnerBounds(int x, int y) { |
| return x < 0 || y < 0 || x > getWidth() || y > getHeight(); |
| } |
| |
| private boolean isOutOfBounds(int x, int y) { |
| return x < -5 || y < -5 || x > (getWidth() + 5) |
| || y > (getHeight() + 5); |
| } |
| |
| @Override |
| public boolean onInterceptTouchEvent(MotionEvent event) { |
| int action = event.getAction(); |
| if (mHasCaption && isShowingCaption()) { |
| // Don't dispatch ACTION_DOWN to the captionr if the window is resizable and the event |
| // was (starting) outside the window. Window resizing events should be handled by |
| // WindowManager. |
| // TODO: Investigate how to handle the outside touch in window manager |
| // without generating these events. |
| // Currently we receive these because we need to enlarge the window's |
| // touch region so that the monitor channel receives the events |
| // in the outside touch area. |
| if (action == MotionEvent.ACTION_DOWN) { |
| final int x = (int) event.getX(); |
| final int y = (int) event.getY(); |
| if (isOutOfInnerBounds(x, y)) { |
| return true; |
| } |
| } |
| } |
| |
| if (mFeatureId >= 0) { |
| if (action == MotionEvent.ACTION_DOWN) { |
| int x = (int)event.getX(); |
| int y = (int)event.getY(); |
| if (isOutOfBounds(x, y)) { |
| mWindow.closePanel(mFeatureId); |
| return true; |
| } |
| } |
| } |
| |
| if (!SWEEP_OPEN_MENU) { |
| return false; |
| } |
| |
| if (mFeatureId >= 0) { |
| if (action == MotionEvent.ACTION_DOWN) { |
| Log.i(mLogTag, "Watchiing!"); |
| mWatchingForMenu = true; |
| mDownY = (int) event.getY(); |
| return false; |
| } |
| |
| if (!mWatchingForMenu) { |
| return false; |
| } |
| |
| int y = (int)event.getY(); |
| if (action == MotionEvent.ACTION_MOVE) { |
| if (y > (mDownY+30)) { |
| Log.i(mLogTag, "Closing!"); |
| mWindow.closePanel(mFeatureId); |
| mWatchingForMenu = false; |
| return true; |
| } |
| } else if (action == MotionEvent.ACTION_UP) { |
| mWatchingForMenu = false; |
| } |
| |
| return false; |
| } |
| |
| //Log.i(mLogTag, "Intercept: action=" + action + " y=" + event.getY() |
| // + " (in " + getHeight() + ")"); |
| |
| if (action == MotionEvent.ACTION_DOWN) { |
| int y = (int)event.getY(); |
| if (y >= (getHeight()-5) && !mWindow.hasChildren()) { |
| Log.i(mLogTag, "Watching!"); |
| mWatchingForMenu = true; |
| } |
| return false; |
| } |
| |
| if (!mWatchingForMenu) { |
| return false; |
| } |
| |
| int y = (int)event.getY(); |
| if (action == MotionEvent.ACTION_MOVE) { |
| if (y < (getHeight()-30)) { |
| Log.i(mLogTag, "Opening!"); |
| mWindow.openPanel(Window.FEATURE_OPTIONS_PANEL, new KeyEvent( |
| KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MENU)); |
| mWatchingForMenu = false; |
| return true; |
| } |
| } else if (action == MotionEvent.ACTION_UP) { |
| mWatchingForMenu = false; |
| } |
| |
| return false; |
| } |
| |
| @Override |
| public void sendAccessibilityEvent(int eventType) { |
| if (!AccessibilityManager.getInstance(mContext).isEnabled()) { |
| return; |
| } |
| |
| // if we are showing a feature that should be announced and one child |
| // make this child the event source since this is the feature itself |
| // otherwise the callback will take over and announce its client |
| if ((mFeatureId == Window.FEATURE_OPTIONS_PANEL || |
| mFeatureId == Window.FEATURE_CONTEXT_MENU || |
| mFeatureId == Window.FEATURE_PROGRESS || |
| mFeatureId == Window.FEATURE_INDETERMINATE_PROGRESS) |
| && getChildCount() == 1) { |
| getChildAt(0).sendAccessibilityEvent(eventType); |
| } else { |
| super.sendAccessibilityEvent(eventType); |
| } |
| } |
| |
| @Override |
| public boolean dispatchPopulateAccessibilityEventInternal(AccessibilityEvent event) { |
| final Window.Callback cb = mWindow.getCallback(); |
| if (cb != null && !mWindow.isDestroyed()) { |
| if (cb.dispatchPopulateAccessibilityEvent(event)) { |
| return true; |
| } |
| } |
| return super.dispatchPopulateAccessibilityEventInternal(event); |
| } |
| |
| @Override |
| protected boolean setFrame(int l, int t, int r, int b) { |
| boolean changed = super.setFrame(l, t, r, b); |
| if (changed) { |
| final Rect drawingBounds = mDrawingBounds; |
| getDrawingRect(drawingBounds); |
| |
| Drawable fg = getForeground(); |
| if (fg != null) { |
| final Rect frameOffsets = mFrameOffsets; |
| drawingBounds.left += frameOffsets.left; |
| drawingBounds.top += frameOffsets.top; |
| drawingBounds.right -= frameOffsets.right; |
| drawingBounds.bottom -= frameOffsets.bottom; |
| fg.setBounds(drawingBounds); |
| final Rect framePadding = mFramePadding; |
| drawingBounds.left += framePadding.left - frameOffsets.left; |
| drawingBounds.top += framePadding.top - frameOffsets.top; |
| drawingBounds.right -= framePadding.right - frameOffsets.right; |
| drawingBounds.bottom -= framePadding.bottom - frameOffsets.bottom; |
| } |
| |
| Drawable bg = getBackground(); |
| if (bg != null) { |
| bg.setBounds(drawingBounds); |
| } |
| |
| if (SWEEP_OPEN_MENU) { |
| if (mMenuBackground == null && mFeatureId < 0 |
| && mWindow.getAttributes().height |
| == WindowManager.LayoutParams.MATCH_PARENT) { |
| mMenuBackground = getContext().getDrawable( |
| R.drawable.menu_background); |
| } |
| if (mMenuBackground != null) { |
| mMenuBackground.setBounds(drawingBounds.left, |
| drawingBounds.bottom-6, drawingBounds.right, |
| drawingBounds.bottom+20); |
| } |
| } |
| } |
| return changed; |
| } |
| |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| final DisplayMetrics metrics = getContext().getResources().getDisplayMetrics(); |
| final boolean isPortrait = |
| getResources().getConfiguration().orientation == ORIENTATION_PORTRAIT; |
| |
| final int widthMode = getMode(widthMeasureSpec); |
| final int heightMode = getMode(heightMeasureSpec); |
| |
| boolean fixedWidth = false; |
| mApplyFloatingHorizontalInsets = false; |
| if (widthMode == AT_MOST) { |
| final TypedValue tvw = isPortrait ? mWindow.mFixedWidthMinor : mWindow.mFixedWidthMajor; |
| if (tvw != null && tvw.type != TypedValue.TYPE_NULL) { |
| final int w; |
| if (tvw.type == TypedValue.TYPE_DIMENSION) { |
| w = (int) tvw.getDimension(metrics); |
| } else if (tvw.type == TypedValue.TYPE_FRACTION) { |
| w = (int) tvw.getFraction(metrics.widthPixels, metrics.widthPixels); |
| } else { |
| w = 0; |
| } |
| if (DEBUG_MEASURE) Log.d(mLogTag, "Fixed width: " + w); |
| final int widthSize = MeasureSpec.getSize(widthMeasureSpec); |
| if (w > 0) { |
| widthMeasureSpec = MeasureSpec.makeMeasureSpec( |
| Math.min(w, widthSize), EXACTLY); |
| fixedWidth = true; |
| } else { |
| widthMeasureSpec = MeasureSpec.makeMeasureSpec( |
| widthSize - mFloatingInsets.left - mFloatingInsets.right, |
| AT_MOST); |
| mApplyFloatingHorizontalInsets = true; |
| } |
| } |
| } |
| |
| mApplyFloatingVerticalInsets = false; |
| if (heightMode == AT_MOST) { |
| final TypedValue tvh = isPortrait ? mWindow.mFixedHeightMajor |
| : mWindow.mFixedHeightMinor; |
| if (tvh != null && tvh.type != TypedValue.TYPE_NULL) { |
| final int h; |
| if (tvh.type == TypedValue.TYPE_DIMENSION) { |
| h = (int) tvh.getDimension(metrics); |
| } else if (tvh.type == TypedValue.TYPE_FRACTION) { |
| h = (int) tvh.getFraction(metrics.heightPixels, metrics.heightPixels); |
| } else { |
| h = 0; |
| } |
| if (DEBUG_MEASURE) Log.d(mLogTag, "Fixed height: " + h); |
| final int heightSize = MeasureSpec.getSize(heightMeasureSpec); |
| if (h > 0) { |
| heightMeasureSpec = MeasureSpec.makeMeasureSpec( |
| Math.min(h, heightSize), EXACTLY); |
| } else if ((mWindow.getAttributes().flags & FLAG_LAYOUT_IN_SCREEN) == 0) { |
| heightMeasureSpec = MeasureSpec.makeMeasureSpec( |
| heightSize - mFloatingInsets.top - mFloatingInsets.bottom, AT_MOST); |
| mApplyFloatingVerticalInsets = true; |
| } |
| } |
| } |
| |
| getOutsets(mOutsets); |
| if (mOutsets.top > 0 || mOutsets.bottom > 0) { |
| int mode = MeasureSpec.getMode(heightMeasureSpec); |
| if (mode != MeasureSpec.UNSPECIFIED) { |
| int height = MeasureSpec.getSize(heightMeasureSpec); |
| heightMeasureSpec = MeasureSpec.makeMeasureSpec( |
| height + mOutsets.top + mOutsets.bottom, mode); |
| } |
| } |
| if (mOutsets.left > 0 || mOutsets.right > 0) { |
| int mode = MeasureSpec.getMode(widthMeasureSpec); |
| if (mode != MeasureSpec.UNSPECIFIED) { |
| int width = MeasureSpec.getSize(widthMeasureSpec); |
| widthMeasureSpec = MeasureSpec.makeMeasureSpec( |
| width + mOutsets.left + mOutsets.right, mode); |
| } |
| } |
| |
| super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| |
| int width = getMeasuredWidth(); |
| boolean measure = false; |
| |
| widthMeasureSpec = MeasureSpec.makeMeasureSpec(width, EXACTLY); |
| |
| if (!fixedWidth && widthMode == AT_MOST) { |
| final TypedValue tv = isPortrait ? mWindow.mMinWidthMinor : mWindow.mMinWidthMajor; |
| if (tv.type != TypedValue.TYPE_NULL) { |
| final int min; |
| if (tv.type == TypedValue.TYPE_DIMENSION) { |
| min = (int)tv.getDimension(metrics); |
| } else if (tv.type == TypedValue.TYPE_FRACTION) { |
| min = (int)tv.getFraction(mAvailableWidth, mAvailableWidth); |
| } else { |
| min = 0; |
| } |
| if (DEBUG_MEASURE) Log.d(mLogTag, "Adjust for min width: " + min + ", value::" |
| + tv.coerceToString() + ", mAvailableWidth=" + mAvailableWidth); |
| |
| if (width < min) { |
| widthMeasureSpec = MeasureSpec.makeMeasureSpec(min, EXACTLY); |
| measure = true; |
| } |
| } |
| } |
| |
| // TODO: Support height? |
| |
| if (measure) { |
| super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| } |
| } |
| |
| @Override |
| protected void onLayout(boolean changed, int left, int top, int right, int bottom) { |
| super.onLayout(changed, left, top, right, bottom); |
| getOutsets(mOutsets); |
| if (mOutsets.left > 0) { |
| offsetLeftAndRight(-mOutsets.left); |
| } |
| if (mOutsets.top > 0) { |
| offsetTopAndBottom(-mOutsets.top); |
| } |
| if (mApplyFloatingVerticalInsets) { |
| offsetTopAndBottom(mFloatingInsets.top); |
| } |
| if (mApplyFloatingHorizontalInsets) { |
| offsetLeftAndRight(mFloatingInsets.left); |
| } |
| |
| // If the application changed its SystemUI metrics, we might also have to adapt |
| // our shadow elevation. |
| updateElevation(); |
| mAllowUpdateElevation = true; |
| |
| if (changed && mResizeMode == RESIZE_MODE_DOCKED_DIVIDER) { |
| getViewRootImpl().requestInvalidateRootRenderNode(); |
| } |
| } |
| |
| @Override |
| public void draw(Canvas canvas) { |
| super.draw(canvas); |
| |
| if (mMenuBackground != null) { |
| mMenuBackground.draw(canvas); |
| } |
| } |
| |
| @Override |
| public boolean showContextMenuForChild(View originalView) { |
| return showContextMenuForChildInternal(originalView, 0, 0, false); |
| } |
| |
| @Override |
| public boolean showContextMenuForChild(View originalView, float x, float y) { |
| return showContextMenuForChildInternal(originalView, x, y, true); |
| } |
| |
| private boolean showContextMenuForChildInternal(View originalView, |
| float x, float y, boolean isPopup) { |
| // Only allow one context menu at a time. |
| if (mWindow.mContextMenuHelper != null) { |
| mWindow.mContextMenuHelper.dismiss(); |
| mWindow.mContextMenuHelper = null; |
| } |
| |
| // Reuse the context menu builder. |
| final PhoneWindowMenuCallback callback = mWindow.mContextMenuCallback; |
| if (mWindow.mContextMenu == null) { |
| mWindow.mContextMenu = new ContextMenuBuilder(getContext()); |
| mWindow.mContextMenu.setCallback(callback); |
| } else { |
| mWindow.mContextMenu.clearAll(); |
| } |
| |
| final MenuHelper helper; |
| if (isPopup) { |
| helper = mWindow.mContextMenu.showPopup(getContext(), originalView, x, y); |
| } else { |
| helper = mWindow.mContextMenu.showDialog(originalView, originalView.getWindowToken()); |
| } |
| |
| if (helper != null) { |
| // If it's a dialog, the callback needs to handle showing |
| // sub-menus. Either way, the callback is required for propagating |
| // selection to Context.onContextMenuItemSelected(). |
| callback.setShowDialogForSubmenu(!isPopup); |
| helper.setPresenterCallback(callback); |
| } |
| |
| mWindow.mContextMenuHelper = helper; |
| return helper != null; |
| } |
| |
| @Override |
| public ActionMode startActionModeForChild(View originalView, |
| ActionMode.Callback callback) { |
| return startActionModeForChild(originalView, callback, ActionMode.TYPE_PRIMARY); |
| } |
| |
| @Override |
| public ActionMode startActionModeForChild( |
| View child, ActionMode.Callback callback, int type) { |
| return startActionMode(child, callback, type); |
| } |
| |
| @Override |
| public ActionMode startActionMode(ActionMode.Callback callback) { |
| return startActionMode(callback, ActionMode.TYPE_PRIMARY); |
| } |
| |
| @Override |
| public ActionMode startActionMode(ActionMode.Callback callback, int type) { |
| return startActionMode(this, callback, type); |
| } |
| |
| private ActionMode startActionMode( |
| View originatingView, ActionMode.Callback callback, int type) { |
| ActionMode.Callback2 wrappedCallback = new ActionModeCallback2Wrapper(callback); |
| ActionMode mode = null; |
| if (mWindow.getCallback() != null && !mWindow.isDestroyed()) { |
| try { |
| mode = mWindow.getCallback().onWindowStartingActionMode(wrappedCallback, type); |
| } catch (AbstractMethodError ame) { |
| // Older apps might not implement the typed version of this method. |
| if (type == ActionMode.TYPE_PRIMARY) { |
| try { |
| mode = mWindow.getCallback().onWindowStartingActionMode( |
| wrappedCallback); |
| } catch (AbstractMethodError ame2) { |
| // Older apps might not implement this callback method at all. |
| } |
| } |
| } |
| } |
| if (mode != null) { |
| if (mode.getType() == ActionMode.TYPE_PRIMARY) { |
| cleanupPrimaryActionMode(); |
| mPrimaryActionMode = mode; |
| } else if (mode.getType() == ActionMode.TYPE_FLOATING) { |
| if (mFloatingActionMode != null) { |
| mFloatingActionMode.finish(); |
| } |
| mFloatingActionMode = mode; |
| } |
| } else { |
| mode = createActionMode(type, wrappedCallback, originatingView); |
| if (mode != null && wrappedCallback.onCreateActionMode(mode, mode.getMenu())) { |
| setHandledActionMode(mode); |
| } else { |
| mode = null; |
| } |
| } |
| if (mode != null && mWindow.getCallback() != null && !mWindow.isDestroyed()) { |
| try { |
| mWindow.getCallback().onActionModeStarted(mode); |
| } catch (AbstractMethodError ame) { |
| // Older apps might not implement this callback method. |
| } |
| } |
| return mode; |
| } |
| |
| private void cleanupPrimaryActionMode() { |
| if (mPrimaryActionMode != null) { |
| mPrimaryActionMode.finish(); |
| mPrimaryActionMode = null; |
| } |
| if (mPrimaryActionModeView != null) { |
| mPrimaryActionModeView.killMode(); |
| } |
| } |
| |
| private void cleanupFloatingActionModeViews() { |
| if (mFloatingToolbar != null) { |
| mFloatingToolbar.dismiss(); |
| mFloatingToolbar = null; |
| } |
| if (mFloatingActionModeOriginatingView != null) { |
| if (mFloatingToolbarPreDrawListener != null) { |
| mFloatingActionModeOriginatingView.getViewTreeObserver() |
| .removeOnPreDrawListener(mFloatingToolbarPreDrawListener); |
| mFloatingToolbarPreDrawListener = null; |
| } |
| mFloatingActionModeOriginatingView = null; |
| } |
| } |
| |
| void startChanging() { |
| mChanging = true; |
| } |
| |
| void finishChanging() { |
| mChanging = false; |
| drawableChanged(); |
| } |
| |
| public void setWindowBackground(Drawable drawable) { |
| if (getBackground() != drawable) { |
| setBackgroundDrawable(drawable); |
| if (drawable != null) { |
| mResizingBackgroundDrawable = drawable; |
| drawable.getPadding(mBackgroundPadding); |
| } else { |
| mBackgroundPadding.setEmpty(); |
| } |
| drawableChanged(); |
| } |
| } |
| |
| public void setWindowFrame(Drawable drawable) { |
| if (getForeground() != drawable) { |
| setForeground(drawable); |
| if (drawable != null) { |
| drawable.getPadding(mFramePadding); |
| } else { |
| mFramePadding.setEmpty(); |
| } |
| drawableChanged(); |
| } |
| } |
| |
| @Override |
| public void onWindowSystemUiVisibilityChanged(int visible) { |
| updateColorViews(null /* insets */, true /* animate */); |
| } |
| |
| @Override |
| public WindowInsets onApplyWindowInsets(WindowInsets insets) { |
| final WindowManager.LayoutParams attrs = mWindow.getAttributes(); |
| mFloatingInsets.setEmpty(); |
| if ((attrs.flags & FLAG_LAYOUT_IN_SCREEN) == 0) { |
| // For dialog windows we want to make sure they don't go over the status bar or nav bar. |
| // We consume the system insets and we will reuse them later during the measure phase. |
| // We allow the app to ignore this and handle insets itself by using |
| // FLAG_LAYOUT_IN_SCREEN. |
| if (attrs.height == WindowManager.LayoutParams.WRAP_CONTENT) { |
| mFloatingInsets.top = insets.getSystemWindowInsetTop(); |
| mFloatingInsets.bottom = insets.getSystemWindowInsetBottom(); |
| insets = insets.replaceSystemWindowInsets(insets.getSystemWindowInsetLeft(), 0, |
| insets.getSystemWindowInsetRight(), 0); |
| } |
| if (mWindow.getAttributes().width == WindowManager.LayoutParams.WRAP_CONTENT) { |
| mFloatingInsets.left = insets.getSystemWindowInsetTop(); |
| mFloatingInsets.right = insets.getSystemWindowInsetBottom(); |
| insets = insets.replaceSystemWindowInsets(0, insets.getSystemWindowInsetTop(), |
| 0, insets.getSystemWindowInsetBottom()); |
| } |
| } |
| mFrameOffsets.set(insets.getSystemWindowInsets()); |
| insets = updateColorViews(insets, true /* animate */); |
| insets = updateStatusGuard(insets); |
| updateNavigationGuard(insets); |
| if (getForeground() != null) { |
| drawableChanged(); |
| } |
| return insets; |
| } |
| |
| @Override |
| public boolean isTransitionGroup() { |
| return false; |
| } |
| |
| static int getColorViewTopInset(int stableTop, int systemTop) { |
| return Math.min(stableTop, systemTop); |
| } |
| |
| static int getColorViewBottomInset(int stableBottom, int systemBottom) { |
| return Math.min(stableBottom, systemBottom); |
| } |
| |
| static int getColorViewRightInset(int stableRight, int systemRight) { |
| return Math.min(stableRight, systemRight); |
| } |
| |
| static boolean isNavBarToRightEdge(int bottomInset, int rightInset) { |
| return bottomInset == 0 && rightInset > 0; |
| } |
| |
| static int getNavBarSize(int bottomInset, int rightInset) { |
| return isNavBarToRightEdge(bottomInset, rightInset) ? rightInset : bottomInset; |
| } |
| |
| WindowInsets updateColorViews(WindowInsets insets, boolean animate) { |
| WindowManager.LayoutParams attrs = mWindow.getAttributes(); |
| int sysUiVisibility = attrs.systemUiVisibility | getWindowSystemUiVisibility(); |
| |
| if (!mWindow.mIsFloating && ActivityManager.isHighEndGfx()) { |
| boolean disallowAnimate = !isLaidOut(); |
| disallowAnimate |= ((mLastWindowFlags ^ attrs.flags) |
| & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0; |
| mLastWindowFlags = attrs.flags; |
| |
| if (insets != null) { |
| mLastTopInset = getColorViewTopInset(insets.getStableInsetTop(), |
| insets.getSystemWindowInsetTop()); |
| mLastBottomInset = getColorViewBottomInset(insets.getStableInsetBottom(), |
| insets.getSystemWindowInsetBottom()); |
| mLastRightInset = getColorViewRightInset(insets.getStableInsetRight(), |
| insets.getSystemWindowInsetRight()); |
| |
| // Don't animate if the presence of stable insets has changed, because that |
| // indicates that the window was either just added and received them for the |
| // first time, or the window size or position has changed. |
| boolean hasTopStableInset = insets.getStableInsetTop() != 0; |
| disallowAnimate |= (hasTopStableInset != mLastHasTopStableInset); |
| mLastHasTopStableInset = hasTopStableInset; |
| |
| boolean hasBottomStableInset = insets.getStableInsetBottom() != 0; |
| disallowAnimate |= (hasBottomStableInset != mLastHasBottomStableInset); |
| mLastHasBottomStableInset = hasBottomStableInset; |
| |
| boolean hasRightStableInset = insets.getStableInsetRight() != 0; |
| disallowAnimate |= (hasRightStableInset != mLastHasRightStableInset); |
| mLastHasRightStableInset = hasRightStableInset; |
| } |
| |
| boolean navBarToRightEdge = isNavBarToRightEdge(mLastBottomInset, mLastRightInset); |
| int navBarSize = getNavBarSize(mLastBottomInset, mLastRightInset); |
| updateColorViewInt(mNavigationColorViewState, sysUiVisibility, |
| mWindow.mNavigationBarColor, navBarSize, navBarToRightEdge, |
| 0 /* rightInset */, animate && !disallowAnimate, false /* force */); |
| |
| boolean statusBarNeedsRightInset = navBarToRightEdge |
| && mNavigationColorViewState.present; |
| int statusBarRightInset = statusBarNeedsRightInset ? mLastRightInset : 0; |
| updateColorViewInt(mStatusColorViewState, sysUiVisibility, |
| calculateStatusBarColor(), mLastTopInset, |
| false /* matchVertical */, statusBarRightInset, animate && !disallowAnimate, |
| mForceWindowDrawsStatusBarBackground); |
| } |
| |
| // When we expand the window with FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS, we still need |
| // to ensure that the rest of the view hierarchy doesn't notice it, unless they've |
| // explicitly asked for it. |
| |
| boolean consumingNavBar = |
| (attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0 |
| && (sysUiVisibility & SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) == 0 |
| && (sysUiVisibility & SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0 |
| || (insets != null && insets.shouldAlwaysConsumeNavBar()); |
| |
| // If we didn't request fullscreen layout, but we still got it because of the |
| // mForceWindowDrawsStatusBarBackground flag, also consume top inset. |
| boolean consumingStatusBar = (sysUiVisibility & SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN) == 0 |
| && (sysUiVisibility & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0 |
| && (attrs.flags & FLAG_LAYOUT_IN_SCREEN) == 0 |
| && (attrs.flags & FLAG_LAYOUT_INSET_DECOR) == 0 |
| && mForceWindowDrawsStatusBarBackground |
| && mLastTopInset != 0; |
| |
| int consumedTop = consumingStatusBar ? mLastTopInset : 0; |
| int consumedRight = consumingNavBar ? mLastRightInset : 0; |
| int consumedBottom = consumingNavBar ? mLastBottomInset : 0; |
| |
| if (mContentRoot != null |
| && mContentRoot.getLayoutParams() instanceof MarginLayoutParams) { |
| MarginLayoutParams lp = (MarginLayoutParams) mContentRoot.getLayoutParams(); |
| if (lp.topMargin != consumedTop || lp.rightMargin != consumedRight |
| || lp.bottomMargin != consumedBottom) { |
| lp.topMargin = consumedTop; |
| lp.rightMargin = consumedRight; |
| lp.bottomMargin = consumedBottom; |
| mContentRoot.setLayoutParams(lp); |
| |
| if (insets == null) { |
| // The insets have changed, but we're not currently in the process |
| // of dispatching them. |
| requestApplyInsets(); |
| } |
| } |
| if (insets != null) { |
| insets = insets.replaceSystemWindowInsets( |
| insets.getSystemWindowInsetLeft(), |
| insets.getSystemWindowInsetTop() - consumedTop, |
| insets.getSystemWindowInsetRight() - consumedRight, |
| insets.getSystemWindowInsetBottom() - consumedBottom); |
| } |
| } |
| |
| if (insets != null) { |
| insets = insets.consumeStableInsets(); |
| } |
| return insets; |
| } |
| |
| private int calculateStatusBarColor() { |
| int flags = mWindow.getAttributes().flags; |
| return (flags & FLAG_TRANSLUCENT_STATUS) != 0 ? mSemiTransparentStatusBarColor |
| : (flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0 ? mWindow.mStatusBarColor |
| : Color.BLACK; |
| } |
| |
| private int getCurrentColor(ColorViewState state) { |
| if (state.visible) { |
| return state.color; |
| } else { |
| return 0; |
| } |
| } |
| |
| /** |
| * Update a color view |
| * |
| * @param state the color view to update. |
| * @param sysUiVis the current systemUiVisibility to apply. |
| * @param color the current color to apply. |
| * @param size the current size in the non-parent-matching dimension. |
| * @param verticalBar if true the view is attached to a vertical edge, otherwise to a |
| * horizontal edge, |
| * @param rightMargin rightMargin for the color view. |
| * @param animate if true, the change will be animated. |
| */ |
| private void updateColorViewInt(final ColorViewState state, int sysUiVis, int color, |
| int size, boolean verticalBar, int rightMargin, boolean animate, boolean force) { |
| state.present = (sysUiVis & state.systemUiHideFlag) == 0 |
| && (mWindow.getAttributes().flags & state.hideWindowFlag) == 0 |
| && ((mWindow.getAttributes().flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0 |
| || force); |
| boolean show = state.present |
| && (color & Color.BLACK) != 0 |
| && ((mWindow.getAttributes().flags & state.translucentFlag) == 0 || force); |
| boolean showView = show && !isResizing() && size > 0; |
| |
| boolean visibilityChanged = false; |
| View view = state.view; |
| |
| int resolvedHeight = verticalBar ? LayoutParams.MATCH_PARENT : size; |
| int resolvedWidth = verticalBar ? size : LayoutParams.MATCH_PARENT; |
| int resolvedGravity = verticalBar ? state.horizontalGravity : state.verticalGravity; |
| |
| if (view == null) { |
| if (showView) { |
| state.view = view = new View(mContext); |
| view.setBackgroundColor(color); |
| view.setTransitionName(state.transitionName); |
| view.setId(state.id); |
| visibilityChanged = true; |
| view.setVisibility(INVISIBLE); |
| state.targetVisibility = VISIBLE; |
| |
| LayoutParams lp = new LayoutParams(resolvedWidth, resolvedHeight, |
| resolvedGravity); |
| lp.rightMargin = rightMargin; |
| addView(view, lp); |
| updateColorViewTranslations(); |
| } |
| } else { |
| int vis = showView ? VISIBLE : INVISIBLE; |
| visibilityChanged = state.targetVisibility != vis; |
| state.targetVisibility = vis; |
| LayoutParams lp = (LayoutParams) view.getLayoutParams(); |
| if (lp.height != resolvedHeight || lp.width != resolvedWidth |
| || lp.gravity != resolvedGravity || lp.rightMargin != rightMargin) { |
| lp.height = resolvedHeight; |
| lp.width = resolvedWidth; |
| lp.gravity = resolvedGravity; |
| lp.rightMargin = rightMargin; |
| view.setLayoutParams(lp); |
| } |
| if (showView) { |
| view.setBackgroundColor(color); |
| } |
| } |
| if (visibilityChanged) { |
| view.animate().cancel(); |
| if (animate && !isResizing()) { |
| if (showView) { |
| if (view.getVisibility() != VISIBLE) { |
| view.setVisibility(VISIBLE); |
| view.setAlpha(0.0f); |
| } |
| view.animate().alpha(1.0f).setInterpolator(mShowInterpolator). |
| setDuration(mBarEnterExitDuration); |
| } else { |
| view.animate().alpha(0.0f).setInterpolator(mHideInterpolator) |
| .setDuration(mBarEnterExitDuration) |
| .withEndAction(new Runnable() { |
| @Override |
| public void run() { |
| state.view.setAlpha(1.0f); |
| state.view.setVisibility(INVISIBLE); |
| } |
| }); |
| } |
| } else { |
| view.setAlpha(1.0f); |
| view.setVisibility(showView ? VISIBLE : INVISIBLE); |
| } |
| } |
| state.visible = show; |
| state.color = color; |
| } |
| |
| private void updateColorViewTranslations() { |
| // Put the color views back in place when they get moved off the screen |
| // due to the the ViewRootImpl panning. |
| int rootScrollY = mRootScrollY; |
| if (mStatusColorViewState.view != null) { |
| mStatusColorViewState.view.setTranslationY(rootScrollY > 0 ? rootScrollY : 0); |
| } |
| if (mNavigationColorViewState.view != null) { |
| mNavigationColorViewState.view.setTranslationY(rootScrollY < 0 ? rootScrollY : 0); |
| } |
| } |
| |
| private WindowInsets updateStatusGuard(WindowInsets insets) { |
| boolean showStatusGuard = false; |
| // Show the status guard when the non-overlay contextual action bar is showing |
| if (mPrimaryActionModeView != null) { |
| if (mPrimaryActionModeView.getLayoutParams() instanceof MarginLayoutParams) { |
| // Insets are magic! |
| final MarginLayoutParams mlp = (MarginLayoutParams) |
| mPrimaryActionModeView.getLayoutParams(); |
| boolean mlpChanged = false; |
| if (mPrimaryActionModeView.isShown()) { |
| if (mTempRect == null) { |
| mTempRect = new Rect(); |
| } |
| final Rect rect = mTempRect; |
| |
| // If the parent doesn't consume the insets, manually |
| // apply the default system window insets. |
| mWindow.mContentParent.computeSystemWindowInsets(insets, rect); |
| final int newMargin = rect.top == 0 ? insets.getSystemWindowInsetTop() : 0; |
| if (mlp.topMargin != newMargin) { |
| mlpChanged = true; |
| mlp.topMargin = insets.getSystemWindowInsetTop(); |
| |
| if (mStatusGuard == null) { |
| mStatusGuard = new View(mContext); |
| mStatusGuard.setBackgroundColor(mContext.getColor( |
| R.color.input_method_navigation_guard)); |
| addView(mStatusGuard, indexOfChild(mStatusColorViewState.view), |
| new LayoutParams(LayoutParams.MATCH_PARENT, |
| mlp.topMargin, Gravity.START | Gravity.TOP)); |
| } else { |
| final LayoutParams lp = (LayoutParams) |
| mStatusGuard.getLayoutParams(); |
| if (lp.height != mlp.topMargin) { |
| lp.height = mlp.topMargin; |
| mStatusGuard.setLayoutParams(lp); |
| } |
| } |
| } |
| |
| // The action mode's theme may differ from the app, so |
| // always show the status guard above it if we have one. |
| showStatusGuard = mStatusGuard != null; |
| |
| // We only need to consume the insets if the action |
| // mode is overlaid on the app content (e.g. it's |
| // sitting in a FrameLayout, see |
| // screen_simple_overlay_action_mode.xml). |
| final boolean nonOverlay = (mWindow.getLocalFeaturesPrivate() |
| & (1 << Window.FEATURE_ACTION_MODE_OVERLAY)) == 0; |
| insets = insets.consumeSystemWindowInsets( |
| false, nonOverlay && showStatusGuard /* top */, false, false); |
| } else { |
| // reset top margin |
| if (mlp.topMargin != 0) { |
| mlpChanged = true; |
| mlp.topMargin = 0; |
| } |
| } |
| if (mlpChanged) { |
| mPrimaryActionModeView.setLayoutParams(mlp); |
| } |
| } |
| } |
| if (mStatusGuard != null) { |
| mStatusGuard.setVisibility(showStatusGuard ? View.VISIBLE : View.GONE); |
| } |
| return insets; |
| } |
| |
| private void updateNavigationGuard(WindowInsets insets) { |
| // IMEs lay out below the nav bar, but the content view must not (for back compat) |
| if (mWindow.getAttributes().type == WindowManager.LayoutParams.TYPE_INPUT_METHOD) { |
| // prevent the content view from including the nav bar height |
| if (mWindow.mContentParent != null) { |
| if (mWindow.mContentParent.getLayoutParams() instanceof MarginLayoutParams) { |
| MarginLayoutParams mlp = |
| (MarginLayoutParams) mWindow.mContentParent.getLayoutParams(); |
| mlp.bottomMargin = insets.getSystemWindowInsetBottom(); |
| mWindow.mContentParent.setLayoutParams(mlp); |
| } |
| } |
| // position the navigation guard view, creating it if necessary |
| if (mNavigationGuard == null) { |
| mNavigationGuard = new View(mContext); |
| mNavigationGuard.setBackgroundColor(mContext.getColor( |
| R.color.input_method_navigation_guard)); |
| addView(mNavigationGuard, indexOfChild(mNavigationColorViewState.view), |
| new LayoutParams(LayoutParams.MATCH_PARENT, |
| insets.getSystemWindowInsetBottom(), |
| Gravity.START | Gravity.BOTTOM)); |
| } else { |
| LayoutParams lp = (LayoutParams) mNavigationGuard.getLayoutParams(); |
| lp.height = insets.getSystemWindowInsetBottom(); |
| mNavigationGuard.setLayoutParams(lp); |
| } |
| updateNavigationGuardColor(); |
| } |
| } |
| |
| void updateNavigationGuardColor() { |
| if (mNavigationGuard != null) { |
| // Make navigation bar guard invisible if the transparent color is specified. |
| // Only TRANSPARENT is sufficient for hiding the navigation bar if the no software |
| // keyboard is shown by IMS. |
| mNavigationGuard.setVisibility(mWindow.getNavigationBarColor() == Color.TRANSPARENT ? |
| View.INVISIBLE : View.VISIBLE); |
| } |
| } |
| |
| private void drawableChanged() { |
| if (mChanging) { |
| return; |
| } |
| |
| setPadding(mFramePadding.left + mBackgroundPadding.left, |
| mFramePadding.top + mBackgroundPadding.top, |
| mFramePadding.right + mBackgroundPadding.right, |
| mFramePadding.bottom + mBackgroundPadding.bottom); |
| requestLayout(); |
| invalidate(); |
| |
| int opacity = PixelFormat.OPAQUE; |
| if (StackId.hasWindowShadow(mStackId)) { |
| // If the window has a shadow, it must be translucent. |
| opacity = PixelFormat.TRANSLUCENT; |
| } else{ |
| // Note: If there is no background, we will assume opaque. The |
| // common case seems to be that an application sets there to be |
| // no background so it can draw everything itself. For that, |
| // we would like to assume OPAQUE and let the app force it to |
| // the slower TRANSLUCENT mode if that is really what it wants. |
| Drawable bg = getBackground(); |
| Drawable fg = getForeground(); |
| if (bg != null) { |
| if (fg == null) { |
| opacity = bg.getOpacity(); |
| } else if (mFramePadding.left <= 0 && mFramePadding.top <= 0 |
| && mFramePadding.right <= 0 && mFramePadding.bottom <= 0) { |
| // If the frame padding is zero, then we can be opaque |
| // if either the frame -or- the background is opaque. |
| int fop = fg.getOpacity(); |
| int bop = bg.getOpacity(); |
| if (false) |
| Log.v(mLogTag, "Background opacity: " + bop + ", Frame opacity: " + fop); |
| if (fop == PixelFormat.OPAQUE || bop == PixelFormat.OPAQUE) { |
| opacity = PixelFormat.OPAQUE; |
| } else if (fop == PixelFormat.UNKNOWN) { |
| opacity = bop; |
| } else if (bop == PixelFormat.UNKNOWN) { |
| opacity = fop; |
| } else { |
| opacity = Drawable.resolveOpacity(fop, bop); |
| } |
| } else { |
| // For now we have to assume translucent if there is a |
| // frame with padding... there is no way to tell if the |
| // frame and background together will draw all pixels. |
| if (false) |
| Log.v(mLogTag, "Padding: " + mFramePadding); |
| opacity = PixelFormat.TRANSLUCENT; |
| } |
| } |
| if (false) |
| Log.v(mLogTag, "Background: " + bg + ", Frame: " + fg); |
| } |
| |
| if (false) |
| Log.v(mLogTag, "Selected default opacity: " + opacity); |
| |
| mDefaultOpacity = opacity; |
| if (mFeatureId < 0) { |
| mWindow.setDefaultWindowFormat(opacity); |
| } |
| } |
| |
| @Override |
| public void onWindowFocusChanged(boolean hasWindowFocus) { |
| super.onWindowFocusChanged(hasWindowFocus); |
| |
| // If the user is chording a menu shortcut, release the chord since |
| // this window lost focus |
| if (mWindow.hasFeature(Window.FEATURE_OPTIONS_PANEL) && !hasWindowFocus |
| && mWindow.mPanelChordingKey != 0) { |
| mWindow.closePanel(Window.FEATURE_OPTIONS_PANEL); |
| } |
| |
| final Window.Callback cb = mWindow.getCallback(); |
| if (cb != null && !mWindow.isDestroyed() && mFeatureId < 0) { |
| cb.onWindowFocusChanged(hasWindowFocus); |
| } |
| |
| if (mPrimaryActionMode != null) { |
| mPrimaryActionMode.onWindowFocusChanged(hasWindowFocus); |
| } |
| if (mFloatingActionMode != null) { |
| mFloatingActionMode.onWindowFocusChanged(hasWindowFocus); |
| } |
| |
| updateElevation(); |
| } |
| |
| @Override |
| protected void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| |
| final Window.Callback cb = mWindow.getCallback(); |
| if (cb != null && !mWindow.isDestroyed() && mFeatureId < 0) { |
| cb.onAttachedToWindow(); |
| } |
| |
| if (mFeatureId == -1) { |
| /* |
| * The main window has been attached, try to restore any panels |
| * that may have been open before. This is called in cases where |
| * an activity is being killed for configuration change and the |
| * menu was open. When the activity is recreated, the menu |
| * should be shown again. |
| */ |
| mWindow.openPanelsAfterRestore(); |
| } |
| |
| if (!mWindowResizeCallbacksAdded) { |
| // If there is no window callback installed there was no window set before. Set it now. |
| // Note that our ViewRootImpl object will not change. |
| getViewRootImpl().addWindowCallbacks(this); |
| mWindowResizeCallbacksAdded = true; |
| } else if (mBackdropFrameRenderer != null) { |
| // We are resizing and this call happened due to a configuration change. Tell the |
| // renderer about it. |
| mBackdropFrameRenderer.onConfigurationChange(); |
| } |
| } |
| |
| @Override |
| protected void onDetachedFromWindow() { |
| super.onDetachedFromWindow(); |
| |
| final Window.Callback cb = mWindow.getCallback(); |
| if (cb != null && mFeatureId < 0) { |
| cb.onDetachedFromWindow(); |
| } |
| |
| if (mWindow.mDecorContentParent != null) { |
| mWindow.mDecorContentParent.dismissPopups(); |
| } |
| |
| if (mPrimaryActionModePopup != null) { |
| removeCallbacks(mShowPrimaryActionModePopup); |
| if (mPrimaryActionModePopup.isShowing()) { |
| mPrimaryActionModePopup.dismiss(); |
| } |
| mPrimaryActionModePopup = null; |
| } |
| if (mFloatingToolbar != null) { |
| mFloatingToolbar.dismiss(); |
| mFloatingToolbar = null; |
| } |
| |
| PhoneWindow.PanelFeatureState st = mWindow.getPanelState(Window.FEATURE_OPTIONS_PANEL, false); |
| if (st != null && st.menu != null && mFeatureId < 0) { |
| st.menu.close(); |
| } |
| |
| if (mWindowResizeCallbacksAdded) { |
| getViewRootImpl().removeWindowCallbacks(this); |
| mWindowResizeCallbacksAdded = false; |
| } |
| } |
| |
| @Override |
| public void onCloseSystemDialogs(String reason) { |
| if (mFeatureId >= 0) { |
| mWindow.closeAllPanels(); |
| } |
| } |
| |
| public android.view.SurfaceHolder.Callback2 willYouTakeTheSurface() { |
| return mFeatureId < 0 ? mWindow.mTakeSurfaceCallback : null; |
| } |
| |
| public InputQueue.Callback willYouTakeTheInputQueue() { |
| return mFeatureId < 0 ? mWindow.mTakeInputQueueCallback : null; |
| } |
| |
| public void setSurfaceType(int type) { |
| mWindow.setType(type); |
| } |
| |
| public void setSurfaceFormat(int format) { |
| mWindow.setFormat(format); |
| } |
| |
| public void setSurfaceKeepScreenOn(boolean keepOn) { |
| if (keepOn) mWindow.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); |
| else mWindow.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); |
| } |
| |
| @Override |
| public void onRootViewScrollYChanged(int rootScrollY) { |
| mRootScrollY = rootScrollY; |
| updateColorViewTranslations(); |
| } |
| |
| private ActionMode createActionMode( |
| int type, ActionMode.Callback2 callback, View originatingView) { |
| switch (type) { |
| case ActionMode.TYPE_PRIMARY: |
| default: |
| return createStandaloneActionMode(callback); |
| case ActionMode.TYPE_FLOATING: |
| return createFloatingActionMode(originatingView, callback); |
| } |
| } |
| |
| private void setHandledActionMode(ActionMode mode) { |
| if (mode.getType() == ActionMode.TYPE_PRIMARY) { |
| setHandledPrimaryActionMode(mode); |
| } else if (mode.getType() == ActionMode.TYPE_FLOATING) { |
| setHandledFloatingActionMode(mode); |
| } |
| } |
| |
| private ActionMode createStandaloneActionMode(ActionMode.Callback callback) { |
| endOnGoingFadeAnimation(); |
| cleanupPrimaryActionMode(); |
| if (mPrimaryActionModeView == null) { |
| if (mWindow.isFloating()) { |
| // Use the action bar theme. |
| final TypedValue outValue = new TypedValue(); |
| final Resources.Theme baseTheme = mContext.getTheme(); |
| baseTheme.resolveAttribute(R.attr.actionBarTheme, outValue, true); |
| |
| final Context actionBarContext; |
| if (outValue.resourceId != 0) { |
| final Resources.Theme actionBarTheme = mContext.getResources().newTheme(); |
| actionBarTheme.setTo(baseTheme); |
| actionBarTheme.applyStyle(outValue.resourceId, true); |
| |
| actionBarContext = new ContextThemeWrapper(mContext, 0); |
| actionBarContext.getTheme().setTo(actionBarTheme); |
| } else { |
| actionBarContext = mContext; |
| } |
| |
| mPrimaryActionModeView = new ActionBarContextView(actionBarContext); |
| mPrimaryActionModePopup = new PopupWindow(actionBarContext, null, |
| R.attr.actionModePopupWindowStyle); |
| mPrimaryActionModePopup.setWindowLayoutType( |
| WindowManager.LayoutParams.TYPE_APPLICATION); |
| mPrimaryActionModePopup.setContentView(mPrimaryActionModeView); |
| mPrimaryActionModePopup.setWidth(MATCH_PARENT); |
| |
| actionBarContext.getTheme().resolveAttribute( |
| R.attr.actionBarSize, outValue, true); |
| final int height = TypedValue.complexToDimensionPixelSize(outValue.data, |
| actionBarContext.getResources().getDisplayMetrics()); |
| mPrimaryActionModeView.setContentHeight(height); |
| mPrimaryActionModePopup.setHeight(WRAP_CONTENT); |
| mShowPrimaryActionModePopup = new Runnable() { |
| public void run() { |
| mPrimaryActionModePopup.showAtLocation( |
| mPrimaryActionModeView.getApplicationWindowToken(), |
| Gravity.TOP | Gravity.FILL_HORIZONTAL, 0, 0); |
| endOnGoingFadeAnimation(); |
| mFadeAnim = ObjectAnimator.ofFloat(mPrimaryActionModeView, View.ALPHA, |
| 0f, 1f); |
| mFadeAnim.addListener(new Animator.AnimatorListener() { |
| @Override |
| public void onAnimationStart(Animator animation) { |
| mPrimaryActionModeView.setVisibility(VISIBLE); |
| } |
| |
| @Override |
| public void onAnimationEnd(Animator animation) { |
| mPrimaryActionModeView.setAlpha(1f); |
| mFadeAnim = null; |
| } |
| |
| @Override |
| public void onAnimationCancel(Animator animation) { |
| |
| } |
| |
| @Override |
| public void onAnimationRepeat(Animator animation) { |
| |
| } |
| }); |
| mFadeAnim.start(); |
| } |
| }; |
| } else { |
| ViewStub stub = (ViewStub) findViewById(R.id.action_mode_bar_stub); |
| if (stub != null) { |
| mPrimaryActionModeView = (ActionBarContextView) stub.inflate(); |
| } |
| } |
| } |
| if (mPrimaryActionModeView != null) { |
| mPrimaryActionModeView.killMode(); |
| ActionMode mode = new StandaloneActionMode( |
| mPrimaryActionModeView.getContext(), mPrimaryActionModeView, |
| callback, mPrimaryActionModePopup == null); |
| return mode; |
| } |
| return null; |
| } |
| |
| private void endOnGoingFadeAnimation() { |
| if (mFadeAnim != null) { |
| mFadeAnim.end(); |
| } |
| } |
| |
| private void setHandledPrimaryActionMode(ActionMode mode) { |
| endOnGoingFadeAnimation(); |
| mPrimaryActionMode = mode; |
| mPrimaryActionMode.invalidate(); |
| mPrimaryActionModeView.initForMode(mPrimaryActionMode); |
| if (mPrimaryActionModePopup != null) { |
| post(mShowPrimaryActionModePopup); |
| } else { |
| mFadeAnim = ObjectAnimator.ofFloat(mPrimaryActionModeView, View.ALPHA, 0f, 1f); |
| mFadeAnim.addListener(new Animator.AnimatorListener() { |
| @Override |
| public void onAnimationStart(Animator animation) { |
| mPrimaryActionModeView.setVisibility(View.VISIBLE); |
| } |
| |
| @Override |
| public void onAnimationEnd(Animator animation) { |
| mPrimaryActionModeView.setAlpha(1f); |
| mFadeAnim = null; |
| } |
| |
| @Override |
| public void onAnimationCancel(Animator animation) { |
| |
| } |
| |
| @Override |
| public void onAnimationRepeat(Animator animation) { |
| |
| } |
| }); |
| mFadeAnim.start(); |
| } |
| mPrimaryActionModeView.sendAccessibilityEvent( |
| AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED); |
| } |
| |
| private ActionMode createFloatingActionMode( |
| View originatingView, ActionMode.Callback2 callback) { |
| if (mFloatingActionMode != null) { |
| mFloatingActionMode.finish(); |
| } |
| cleanupFloatingActionModeViews(); |
| final FloatingActionMode mode = |
| new FloatingActionMode(mContext, callback, originatingView); |
| mFloatingActionModeOriginatingView = originatingView; |
| mFloatingToolbarPreDrawListener = |
| new ViewTreeObserver.OnPreDrawListener() { |
| @Override |
| public boolean onPreDraw() { |
| mode.updateViewLocationInWindow(); |
| return true; |
| } |
| }; |
| return mode; |
| } |
| |
| private void setHandledFloatingActionMode(ActionMode mode) { |
| mFloatingActionMode = mode; |
| mFloatingToolbar = new FloatingToolbar(mContext, mWindow); |
| ((FloatingActionMode) mFloatingActionMode).setFloatingToolbar(mFloatingToolbar); |
| mFloatingActionMode.invalidate(); // Will show the floating toolbar if necessary. |
| mFloatingActionModeOriginatingView.getViewTreeObserver() |
| .addOnPreDrawListener(mFloatingToolbarPreDrawListener); |
| } |
| |
| /** |
| * Informs the decor if the caption is attached and visible. |
| * @param attachedAndVisible true when the decor is visible. |
| * Note that this will even be called if there is no caption. |
| **/ |
| void enableCaption(boolean attachedAndVisible) { |
| if (mHasCaption != attachedAndVisible) { |
| mHasCaption = attachedAndVisible; |
| if (getForeground() != null) { |
| drawableChanged(); |
| } |
| } |
| } |
| |
| void setWindow(PhoneWindow phoneWindow) { |
| mWindow = phoneWindow; |
| Context context = getContext(); |
| if (context instanceof DecorContext) { |
| DecorContext decorContext = (DecorContext) context; |
| decorContext.setPhoneWindow(mWindow); |
| } |
| } |
| |
| @Override |
| protected void onConfigurationChanged(Configuration newConfig) { |
| super.onConfigurationChanged(newConfig); |
| int workspaceId = getStackId(); |
| if (mStackId != workspaceId) { |
| mStackId = workspaceId; |
| if (mDecorCaptionView == null && StackId.hasWindowDecor(mStackId)) { |
| // Configuration now requires a caption. |
| final LayoutInflater inflater = mWindow.getLayoutInflater(); |
| mDecorCaptionView = createDecorCaptionView(inflater); |
| if (mDecorCaptionView != null) { |
| if (mDecorCaptionView.getParent() == null) { |
| addView(mDecorCaptionView, 0, |
| new ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT)); |
| } |
| removeView(mContentRoot); |
| mDecorCaptionView.addView(mContentRoot, |
| new ViewGroup.MarginLayoutParams(MATCH_PARENT, MATCH_PARENT)); |
| } |
| } else if (mDecorCaptionView != null) { |
| // We might have to change the kind of surface before we do anything else. |
| mDecorCaptionView.onConfigurationChanged(StackId.hasWindowDecor(mStackId)); |
| enableCaption(StackId.hasWindowDecor(workspaceId)); |
| } |
| } |
| updateAvailableWidth(); |
| initializeElevation(); |
| } |
| |
| void onResourcesLoaded(LayoutInflater inflater, int layoutResource) { |
| mStackId = getStackId(); |
| |
| if (mBackdropFrameRenderer != null) { |
| loadBackgroundDrawablesIfNeeded(); |
| mBackdropFrameRenderer.onResourcesLoaded( |
| this, mResizingBackgroundDrawable, mCaptionBackgroundDrawable, |
| mUserCaptionBackgroundDrawable, getCurrentColor(mStatusColorViewState), |
| getCurrentColor(mNavigationColorViewState)); |
| } |
| |
| mDecorCaptionView = createDecorCaptionView(inflater); |
| final View root = inflater.inflate(layoutResource, null); |
| if (mDecorCaptionView != null) { |
| if (mDecorCaptionView.getParent() == null) { |
| addView(mDecorCaptionView, |
| new ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT)); |
| } |
| mDecorCaptionView.addView(root, |
| new ViewGroup.MarginLayoutParams(MATCH_PARENT, MATCH_PARENT)); |
| } else { |
| |
| // Put it below the color views. |
| addView(root, 0, new ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT)); |
| } |
| mContentRoot = (ViewGroup) root; |
| initializeElevation(); |
| } |
| |
| private void loadBackgroundDrawablesIfNeeded() { |
| if (mResizingBackgroundDrawable == null) { |
| mResizingBackgroundDrawable = getResizingBackgroundDrawable(getContext(), |
| mWindow.mBackgroundResource, mWindow.mBackgroundFallbackResource); |
| if (mResizingBackgroundDrawable == null) { |
| // We shouldn't really get here as the background fallback should be always |
| // available since it is defaulted by the system. |
| Log.w(mLogTag, "Failed to find background drawable for PhoneWindow=" + mWindow); |
| } |
| } |
| if (mCaptionBackgroundDrawable == null) { |
| mCaptionBackgroundDrawable = getContext().getDrawable( |
| R.drawable.decor_caption_title_focused); |
| } |
| if (mResizingBackgroundDrawable != null) { |
| mLastBackgroundDrawableCb = mResizingBackgroundDrawable.getCallback(); |
| mResizingBackgroundDrawable.setCallback(null); |
| } |
| } |
| |
| // Free floating overlapping windows require a caption. |
| private DecorCaptionView createDecorCaptionView(LayoutInflater inflater) { |
| DecorCaptionView decorCaptionView = null; |
| for (int i = getChildCount() - 1; i >= 0 && decorCaptionView == null; i--) { |
| View view = getChildAt(i); |
| if (view instanceof DecorCaptionView) { |
| // The decor was most likely saved from a relaunch - so reuse it. |
| decorCaptionView = (DecorCaptionView) view; |
| removeViewAt(i); |
| } |
| } |
| final WindowManager.LayoutParams attrs = mWindow.getAttributes(); |
| final boolean isApplication = attrs.type == TYPE_BASE_APPLICATION || |
| attrs.type == TYPE_APPLICATION; |
| // Only a non floating application window on one of the allowed workspaces can get a caption |
| if (!mWindow.isFloating() && isApplication && StackId.hasWindowDecor(mStackId)) { |
| // Dependent on the brightness of the used title we either use the |
| // dark or the light button frame. |
| if (decorCaptionView == null) { |
| decorCaptionView = inflateDecorCaptionView(inflater); |
| } |
| decorCaptionView.setPhoneWindow(mWindow, true /*showDecor*/); |
| } else { |
| decorCaptionView = null; |
| } |
| |
| // Tell the decor if it has a visible caption. |
| enableCaption(decorCaptionView != null); |
| return decorCaptionView; |
| } |
| |
| private DecorCaptionView inflateDecorCaptionView(LayoutInflater inflater) { |
| final Context context = getContext(); |
| // We make a copy of the inflater, so it has the right context associated with it. |
| inflater = inflater.from(context); |
| final DecorCaptionView view = (DecorCaptionView) inflater.inflate(R.layout.decor_caption, |
| null); |
| setDecorCaptionShade(context, view); |
| return view; |
| } |
| |
| private void setDecorCaptionShade(Context context, DecorCaptionView view) { |
| final int shade = mWindow.getDecorCaptionShade(); |
| switch (shade) { |
| case DECOR_CAPTION_SHADE_LIGHT: |
| setLightDecorCaptionShade(view); |
| break; |
| case DECOR_CAPTION_SHADE_DARK: |
| setDarkDecorCaptionShade(view); |
| break; |
| default: { |
| TypedValue value = new TypedValue(); |
| context.getTheme().resolveAttribute(R.attr.colorPrimary, value, true); |
| // We invert the shade depending on brightness of the theme. Dark shade for light |
| // theme and vice versa. Thanks to this the buttons should be visible on the |
| // background. |
| if (Color.luminance(value.data) < 0.5) { |
| setLightDecorCaptionShade(view); |
| } else { |
| setDarkDecorCaptionShade(view); |
| } |
| break; |
| } |
| } |
| } |
| |
| void updateDecorCaptionShade() { |
| if (mDecorCaptionView != null) { |
| setDecorCaptionShade(getContext(), mDecorCaptionView); |
| } |
| } |
| |
| private void setLightDecorCaptionShade(DecorCaptionView view) { |
| view.findViewById(R.id.maximize_window).setBackgroundResource( |
| R.drawable.decor_maximize_button_light); |
| view.findViewById(R.id.close_window).setBackgroundResource( |
| R.drawable.decor_close_button_light); |
| } |
| |
| private void setDarkDecorCaptionShade(DecorCaptionView view) { |
| view.findViewById(R.id.maximize_window).setBackgroundResource( |
| R.drawable.decor_maximize_button_dark); |
| view.findViewById(R.id.close_window).setBackgroundResource( |
| R.drawable.decor_close_button_dark); |
| } |
| |
| /** |
| * Returns the color used to fill areas the app has not rendered content to yet when the |
| * user is resizing the window of an activity in multi-window mode. |
| */ |
| public static Drawable getResizingBackgroundDrawable(Context context, int backgroundRes, |
| int backgroundFallbackRes) { |
| if (backgroundRes != 0) { |
| final Drawable drawable = context.getDrawable(backgroundRes); |
| if (drawable != null) { |
| return drawable; |
| } |
| } |
| |
| if (backgroundFallbackRes != 0) { |
| final Drawable fallbackDrawable = context.getDrawable(backgroundFallbackRes); |
| if (fallbackDrawable != null) { |
| return fallbackDrawable; |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Returns the Id of the stack which contains this window. |
| * Note that if no stack can be determined - which usually means that it was not |
| * created for an activity - the fullscreen stack ID will be returned. |
| * @return Returns the stack id which contains this window. |
| **/ |
| private int getStackId() { |
| int workspaceId = INVALID_STACK_ID; |
| final Window.WindowControllerCallback callback = mWindow.getWindowControllerCallback(); |
| if (callback != null) { |
| try { |
| workspaceId = callback.getWindowStackId(); |
| } catch (RemoteException ex) { |
| Log.e(mLogTag, "Failed to get the workspace ID of a PhoneWindow."); |
| } |
| } |
| if (workspaceId == INVALID_STACK_ID) { |
| return FULLSCREEN_WORKSPACE_STACK_ID; |
| } |
| return workspaceId; |
| } |
| |
| void clearContentView() { |
| if (mDecorCaptionView != null) { |
| mDecorCaptionView.removeContentView(); |
| } else { |
| // This window doesn't have caption, so we need to remove everything except our views |
| // we might have added. |
| for (int i = getChildCount() - 1; i >= 0; i--) { |
| View v = getChildAt(i); |
| if (v != mStatusColorViewState.view && v != mNavigationColorViewState.view |
| && v != mStatusGuard && v != mNavigationGuard) { |
| removeViewAt(i); |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void onWindowSizeIsChanging(Rect newBounds, boolean fullscreen, Rect systemInsets, |
| Rect stableInsets) { |
| if (mBackdropFrameRenderer != null) { |
| mBackdropFrameRenderer.setTargetRect(newBounds, fullscreen, systemInsets, stableInsets); |
| } |
| } |
| |
| @Override |
| public void onWindowDragResizeStart(Rect initialBounds, boolean fullscreen, Rect systemInsets, |
| Rect stableInsets, int resizeMode) { |
| if (mWindow.isDestroyed()) { |
| // If the owner's window is gone, we should not be able to come here anymore. |
| releaseThreadedRenderer(); |
| return; |
| } |
| if (mBackdropFrameRenderer != null) { |
| return; |
| } |
| final ThreadedRenderer renderer = getHardwareRenderer(); |
| if (renderer != null) { |
| loadBackgroundDrawablesIfNeeded(); |
| mBackdropFrameRenderer = new BackdropFrameRenderer(this, renderer, |
| initialBounds, mResizingBackgroundDrawable, mCaptionBackgroundDrawable, |
| mUserCaptionBackgroundDrawable, getCurrentColor(mStatusColorViewState), |
| getCurrentColor(mNavigationColorViewState), fullscreen, systemInsets, |
| stableInsets, resizeMode); |
| |
| // Get rid of the shadow while we are resizing. Shadow drawing takes considerable time. |
| // If we want to get the shadow shown while resizing, we would need to elevate a new |
| // element which owns the caption and has the elevation. |
| updateElevation(); |
| |
| updateColorViews(null /* insets */, false); |
| } |
| mResizeMode = resizeMode; |
| getViewRootImpl().requestInvalidateRootRenderNode(); |
| } |
| |
| @Override |
| public void onWindowDragResizeEnd() { |
| releaseThreadedRenderer(); |
| updateColorViews(null /* insets */, false); |
| mResizeMode = RESIZE_MODE_INVALID; |
| getViewRootImpl().requestInvalidateRootRenderNode(); |
| } |
| |
| @Override |
| public boolean onContentDrawn(int offsetX, int offsetY, int sizeX, int sizeY) { |
| if (mBackdropFrameRenderer == null) { |
| return false; |
| } |
| return mBackdropFrameRenderer.onContentDrawn(offsetX, offsetY, sizeX, sizeY); |
| } |
| |
| @Override |
| public void onRequestDraw(boolean reportNextDraw) { |
| if (mBackdropFrameRenderer != null) { |
| mBackdropFrameRenderer.onRequestDraw(reportNextDraw); |
| } else if (reportNextDraw) { |
| // If render thread is gone, just report immediately. |
| if (isAttachedToWindow()) { |
| getViewRootImpl().reportDrawFinish(); |
| } |
| } |
| } |
| |
| @Override |
| public void onPostDraw(DisplayListCanvas canvas) { |
| drawResizingShadowIfNeeded(canvas); |
| } |
| |
| private void initResizingPaints() { |
| final int startColor = mContext.getResources().getColor( |
| R.color.resize_shadow_start_color, null); |
| final int endColor = mContext.getResources().getColor( |
| R.color.resize_shadow_end_color, null); |
| final int middleColor = (startColor + endColor) / 2; |
| mHorizontalResizeShadowPaint.setShader(new LinearGradient( |
| 0, 0, 0, mResizeShadowSize, new int[] { startColor, middleColor, endColor }, |
| new float[] { 0f, 0.3f, 1f }, Shader.TileMode.CLAMP)); |
| mVerticalResizeShadowPaint.setShader(new LinearGradient( |
| 0, 0, mResizeShadowSize, 0, new int[] { startColor, middleColor, endColor }, |
| new float[] { 0f, 0.3f, 1f }, Shader.TileMode.CLAMP)); |
| } |
| |
| private void drawResizingShadowIfNeeded(DisplayListCanvas canvas) { |
| if (mResizeMode != RESIZE_MODE_DOCKED_DIVIDER || mWindow.mIsFloating |
| || mWindow.isTranslucent() |
| || (mWindow.getAttributes().flags & FLAG_SHOW_WALLPAPER) != 0) { |
| return; |
| } |
| canvas.save(); |
| canvas.translate(0, getHeight() - mFrameOffsets.bottom); |
| canvas.drawRect(0, 0, getWidth(), mResizeShadowSize, mHorizontalResizeShadowPaint); |
| canvas.restore(); |
| canvas.save(); |
| canvas.translate(getWidth() - mFrameOffsets.right, 0); |
| canvas.drawRect(0, 0, mResizeShadowSize, getHeight(), mVerticalResizeShadowPaint); |
| canvas.restore(); |
| } |
| |
| /** Release the renderer thread which is usually done when the user stops resizing. */ |
| private void releaseThreadedRenderer() { |
| if (mResizingBackgroundDrawable != null && mLastBackgroundDrawableCb != null) { |
| mResizingBackgroundDrawable.setCallback(mLastBackgroundDrawableCb); |
| mLastBackgroundDrawableCb = null; |
| } |
| |
| if (mBackdropFrameRenderer != null) { |
| mBackdropFrameRenderer.releaseRenderer(); |
| mBackdropFrameRenderer = null; |
| // Bring the shadow back. |
| updateElevation(); |
| } |
| } |
| |
| private boolean isResizing() { |
| return mBackdropFrameRenderer != null; |
| } |
| |
| /** |
| * The elevation gets set for the first time and the framework needs to be informed that |
| * the surface layer gets created with the shadow size in mind. |
| */ |
| private void initializeElevation() { |
| // TODO(skuhne): Call setMaxElevation here accordingly after b/22668382 got fixed. |
| mAllowUpdateElevation = false; |
| updateElevation(); |
| } |
| |
| private void updateElevation() { |
| float elevation = 0; |
| final boolean wasAdjustedForStack = mElevationAdjustedForStack; |
| // Do not use a shadow when we are in resizing mode (mBackdropFrameRenderer not null) |
| // since the shadow is bound to the content size and not the target size. |
| if (StackId.hasWindowShadow(mStackId) && !isResizing()) { |
| elevation = hasWindowFocus() ? |
| DECOR_SHADOW_FOCUSED_HEIGHT_IN_DIP : DECOR_SHADOW_UNFOCUSED_HEIGHT_IN_DIP; |
| // TODO(skuhne): Remove this if clause once b/22668382 got fixed. |
| if (!mAllowUpdateElevation) { |
| elevation = DECOR_SHADOW_FOCUSED_HEIGHT_IN_DIP; |
| } |
| // Convert the DP elevation into physical pixels. |
| elevation = dipToPx(elevation); |
| mElevationAdjustedForStack = true; |
| } else { |
| mElevationAdjustedForStack = false; |
| } |
| |
| // Don't change the elevation if we didn't previously adjust it for the stack it was in |
| // or it didn't change. |
| if ((wasAdjustedForStack || mElevationAdjustedForStack) |
| && getElevation() != elevation) { |
| mWindow.setElevation(elevation); |
| } |
| } |
| |
| boolean isShowingCaption() { |
| return mDecorCaptionView != null && mDecorCaptionView.isCaptionShowing(); |
| } |
| |
| int getCaptionHeight() { |
| return isShowingCaption() ? mDecorCaptionView.getCaptionHeight() : 0; |
| } |
| |
| /** |
| * Converts a DIP measure into physical pixels. |
| * @param dip The dip value. |
| * @return Returns the number of pixels. |
| */ |
| private float dipToPx(float dip) { |
| return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dip, |
| getResources().getDisplayMetrics()); |
| } |
| |
| /** |
| * Provide an override of the caption background drawable. |
| */ |
| void setUserCaptionBackgroundDrawable(Drawable drawable) { |
| mUserCaptionBackgroundDrawable = drawable; |
| if (mBackdropFrameRenderer != null) { |
| mBackdropFrameRenderer.setUserCaptionBackgroundDrawable(drawable); |
| } |
| } |
| |
| private static String getTitleSuffix(WindowManager.LayoutParams params) { |
| if (params == null) { |
| return ""; |
| } |
| final String[] split = params.getTitle().toString().split("\\."); |
| if (split.length > 0) { |
| return split[split.length - 1]; |
| } else { |
| return ""; |
| } |
| } |
| |
| void updateLogTag(WindowManager.LayoutParams params) { |
| mLogTag = TAG + "[" + getTitleSuffix(params) + "]"; |
| } |
| |
| private void updateAvailableWidth() { |
| Resources res = getResources(); |
| mAvailableWidth = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, |
| res.getConfiguration().screenWidthDp, res.getDisplayMetrics()); |
| } |
| |
| /** |
| * @hide |
| */ |
| @Override |
| public void requestKeyboardShortcuts(List<KeyboardShortcutGroup> list, int deviceId) { |
| final PanelFeatureState st = mWindow.getPanelState(FEATURE_OPTIONS_PANEL, false); |
| if (!mWindow.isDestroyed() && st != null && mWindow.getCallback() != null) { |
| mWindow.getCallback().onProvideKeyboardShortcuts(list, st.menu, deviceId); |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return "DecorView@" + Integer.toHexString(this.hashCode()) + "[" |
| + getTitleSuffix(mWindow.getAttributes()) + "]"; |
| } |
| |
| private static class ColorViewState { |
| View view = null; |
| int targetVisibility = View.INVISIBLE; |
| boolean present = false; |
| boolean visible; |
| int color; |
| |
| final int id; |
| final int systemUiHideFlag; |
| final int translucentFlag; |
| final int verticalGravity; |
| final int horizontalGravity; |
| final String transitionName; |
| final int hideWindowFlag; |
| |
| ColorViewState(int systemUiHideFlag, |
| int translucentFlag, int verticalGravity, int horizontalGravity, |
| String transitionName, int id, int hideWindowFlag) { |
| this.id = id; |
| this.systemUiHideFlag = systemUiHideFlag; |
| this.translucentFlag = translucentFlag; |
| this.verticalGravity = verticalGravity; |
| this.horizontalGravity = horizontalGravity; |
| this.transitionName = transitionName; |
| this.hideWindowFlag = hideWindowFlag; |
| } |
| } |
| |
| /** |
| * Clears out internal references when the action mode is destroyed. |
| */ |
| private class ActionModeCallback2Wrapper extends ActionMode.Callback2 { |
| private final ActionMode.Callback mWrapped; |
| |
| public ActionModeCallback2Wrapper(ActionMode.Callback wrapped) { |
| mWrapped = wrapped; |
| } |
| |
| public boolean onCreateActionMode(ActionMode mode, Menu menu) { |
| return mWrapped.onCreateActionMode(mode, menu); |
| } |
| |
| public boolean onPrepareActionMode(ActionMode mode, Menu menu) { |
| requestFitSystemWindows(); |
| return mWrapped.onPrepareActionMode(mode, menu); |
| } |
| |
| public boolean onActionItemClicked(ActionMode mode, MenuItem item) { |
| return mWrapped.onActionItemClicked(mode, item); |
| } |
| |
| public void onDestroyActionMode(ActionMode mode) { |
| mWrapped.onDestroyActionMode(mode); |
| final boolean isMncApp = mContext.getApplicationInfo().targetSdkVersion |
| >= Build.VERSION_CODES.M; |
| final boolean isPrimary; |
| final boolean isFloating; |
| if (isMncApp) { |
| isPrimary = mode == mPrimaryActionMode; |
| isFloating = mode == mFloatingActionMode; |
| if (!isPrimary && mode.getType() == ActionMode.TYPE_PRIMARY) { |
| Log.e(mLogTag, "Destroying unexpected ActionMode instance of TYPE_PRIMARY; " |
| + mode + " was not the current primary action mode! Expected " |
| + mPrimaryActionMode); |
| } |
| if (!isFloating && mode.getType() == ActionMode.TYPE_FLOATING) { |
| Log.e(mLogTag, "Destroying unexpected ActionMode instance of TYPE_FLOATING; " |
| + mode + " was not the current floating action mode! Expected " |
| + mFloatingActionMode); |
| } |
| } else { |
| isPrimary = mode.getType() == ActionMode.TYPE_PRIMARY; |
| isFloating = mode.getType() == ActionMode.TYPE_FLOATING; |
| } |
| if (isPrimary) { |
| if (mPrimaryActionModePopup != null) { |
| removeCallbacks(mShowPrimaryActionModePopup); |
| } |
| if (mPrimaryActionModeView != null) { |
| endOnGoingFadeAnimation(); |
| mFadeAnim = ObjectAnimator.ofFloat(mPrimaryActionModeView, View.ALPHA, |
| 1f, 0f); |
| mFadeAnim.addListener(new Animator.AnimatorListener() { |
| @Override |
| public void onAnimationStart(Animator animation) { |
| |
| } |
| |
| @Override |
| public void onAnimationEnd(Animator animation) { |
| mPrimaryActionModeView.setVisibility(GONE); |
| if (mPrimaryActionModePopup != null) { |
| mPrimaryActionModePopup.dismiss(); |
| } |
| mPrimaryActionModeView.removeAllViews(); |
| mFadeAnim = null; |
| } |
| |
| @Override |
| public void onAnimationCancel(Animator animation) { |
| |
| } |
| |
| @Override |
| public void onAnimationRepeat(Animator animation) { |
| |
| } |
| }); |
| mFadeAnim.start(); |
| } |
| |
| mPrimaryActionMode = null; |
| } else if (isFloating) { |
| cleanupFloatingActionModeViews(); |
| mFloatingActionMode = null; |
| } |
| if (mWindow.getCallback() != null && !mWindow.isDestroyed()) { |
| try { |
| mWindow.getCallback().onActionModeFinished(mode); |
| } catch (AbstractMethodError ame) { |
| // Older apps might not implement this callback method. |
| } |
| } |
| requestFitSystemWindows(); |
| } |
| |
| @Override |
| public void onGetContentRect(ActionMode mode, View view, Rect outRect) { |
| if (mWrapped instanceof ActionMode.Callback2) { |
| ((ActionMode.Callback2) mWrapped).onGetContentRect(mode, view, outRect); |
| } else { |
| super.onGetContentRect(mode, view, outRect); |
| } |
| } |
| } |
| } |