Upstream oodles of Chrome for Android code into Chromium.

chrome/android/java_staging/src/org/chromium/chrome/browser/omnibox/LocationBarTablet.java

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.chrome.browser.omnibox;
+
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.animation.ObjectAnimator;
+import android.content.Context;
+import android.graphics.Rect;
+import android.text.Selection;
+import android.util.AttributeSet;
+import android.util.Property;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.WindowManager;
+
+import com.google.android.apps.chrome.R;
+
+import org.chromium.base.ApiCompatibilityUtils;
+import org.chromium.chrome.browser.ntp.NewTabPage;
+import org.chromium.ui.UiUtils;
+
+/**
+ * Location bar for tablet form factors.
+ */
+public class LocationBarTablet extends LocationBarLayout {
+
+    private static final int KEYBOARD_MODE_CHANGE_DELAY_MS = 300;
+    private static final long MAX_NTP_KEYBOARD_FOCUS_DURATION_MS = 200;
+
+    private final Property<LocationBarTablet, Float> mUrlFocusChangePercentProperty =
+            new Property<LocationBarTablet, Float>(Float.class, "") {
+                @Override
+                public Float get(LocationBarTablet object) {
+                    return object.mUrlFocusChangePercent;
+                }
+
+                @Override
+                public void set(LocationBarTablet object, Float value) {
+                    setUrlFocusChangePercent(value);
+                }
+            };
+
+    private final Runnable mKeyboardResizeModeTask = new Runnable() {
+        @Override
+        public void run() {
+            getWindowDelegate().setWindowSoftInputMode(
+                    WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
+        }
+    };
+
+    private View mBookmarkButton;
+    private float mUrlFocusChangePercent;
+    private Animator mUrlFocusChangeAnimator;
+    private View[] mTargets;
+    private final Rect mCachedTargetBounds = new Rect();
+
+    /**
+     * Constructor used to inflate from XML.
+     */
+    public LocationBarTablet(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+
+        mBookmarkButton = findViewById(R.id.bookmark_button);
+        mTargets = new View[] { mUrlBar, mDeleteButton };
+    }
+
+    @Override
+    public boolean onTouchEvent(MotionEvent event) {
+        if (mTargets == null) return true;
+
+        View selectedTarget = null;
+        float selectedDistance = 0;
+        // newX and newY are in the coordinates of the selectedTarget.
+        float newX = 0;
+        float newY = 0;
+        for (View target : mTargets) {
+            if (!target.isShown()) continue;
+
+            mCachedTargetBounds.set(0, 0, target.getWidth(), target.getHeight());
+            offsetDescendantRectToMyCoords(target, mCachedTargetBounds);
+            float x = event.getX();
+            float y = event.getY();
+            float dx = distanceToRange(
+                    mCachedTargetBounds.left, mCachedTargetBounds.right, x);
+            float dy = distanceToRange(
+                    mCachedTargetBounds.top, mCachedTargetBounds.bottom, y);
+            float distance = Math.abs(dx) + Math.abs(dy);
+            if (selectedTarget == null || distance < selectedDistance) {
+                selectedTarget = target;
+                selectedDistance = distance;
+                newX = x + dx;
+                newY = y + dy;
+            }
+        }
+
+        if (selectedTarget == null) return false;
+
+        event.setLocation(newX, newY);
+        return selectedTarget.onTouchEvent(event);
+    }
+
+    // Returns amount by which to adjust to move value inside the given range.
+    private static float distanceToRange(float min, float max, float value) {
+        return value < min ? (min - value) : value > max ? (max - value) : 0;
+    }
+
+    @Override
+    public void onUrlFocusChange(final boolean hasFocus) {
+        super.onUrlFocusChange(hasFocus);
+
+        removeCallbacks(mKeyboardResizeModeTask);
+
+        if (mUrlFocusChangeAnimator != null && mUrlFocusChangeAnimator.isRunning()) {
+            mUrlFocusChangeAnimator.cancel();
+            mUrlFocusChangeAnimator = null;
+        }
+
+        if (getToolbarDataProvider().getNewTabPageForCurrentTab() == null) {
+            finishUrlFocusChange(hasFocus);
+            return;
+        }
+
+        Rect rootViewBounds = new Rect();
+        getRootView().getLocalVisibleRect(rootViewBounds);
+        float screenSizeRatio = (rootViewBounds.height()
+                / (float) (Math.max(rootViewBounds.height(), rootViewBounds.width())));
+        mUrlFocusChangeAnimator =
+                ObjectAnimator.ofFloat(this, mUrlFocusChangePercentProperty, hasFocus ? 1f : 0f);
+        mUrlFocusChangeAnimator.setDuration(
+                (long) (MAX_NTP_KEYBOARD_FOCUS_DURATION_MS * screenSizeRatio));
+        mUrlFocusChangeAnimator.addListener(new AnimatorListenerAdapter() {
+            private boolean mIsCancelled;
+
+            @Override
+            public void onAnimationCancel(Animator animation) {
+                mIsCancelled = true;
+            }
+
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                if (mIsCancelled) return;
+                finishUrlFocusChange(hasFocus);
+            }
+        });
+        mUrlFocusChangeAnimator.start();
+    }
+
+    private void finishUrlFocusChange(boolean hasFocus) {
+        if (hasFocus) {
+            if (mSecurityButton.getVisibility() == VISIBLE) mSecurityButton.setVisibility(GONE);
+            if (getWindowDelegate().getWindowSoftInputMode()
+                    != WindowManager.LayoutParams.SOFT_INPUT_ADJUST_PAN) {
+                getWindowDelegate().setWindowSoftInputMode(
+                        WindowManager.LayoutParams.SOFT_INPUT_ADJUST_PAN);
+            }
+            UiUtils.showKeyboard(mUrlBar);
+        } else {
+            if (mSecurityButton.getVisibility() == GONE
+                    && mSecurityButton.getDrawable() != null
+                    && mSecurityButton.getDrawable().getIntrinsicWidth() > 0
+                    && mSecurityButton.getDrawable().getIntrinsicHeight() > 0) {
+                mSecurityButton.setVisibility(VISIBLE);
+            }
+            UiUtils.hideKeyboard(mUrlBar);
+            Selection.setSelection(mUrlBar.getText(), 0);
+            // Convert the keyboard back to resize mode (delay the change for an arbitrary
+            // amount of time in hopes the keyboard will be completely hidden before making
+            // this change).
+            if (getWindowDelegate().getWindowSoftInputMode()
+                    != WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE) {
+                postDelayed(mKeyboardResizeModeTask, KEYBOARD_MODE_CHANGE_DELAY_MS);
+            }
+        }
+    }
+
+    /**
+     * Updates percentage of current the URL focus change animation.
+     * @param percent 1.0 is 100% focused, 0 is completely unfocused.
+     */
+    private void setUrlFocusChangePercent(float percent) {
+        mUrlFocusChangePercent = percent;
+
+        NewTabPage ntp = getToolbarDataProvider().getNewTabPageForCurrentTab();
+        if (ntp != null) ntp.setUrlFocusChangeAnimationPercent(percent);
+    }
+
+    @Override
+    protected void updateDeleteButtonVisibility() {
+        boolean enabled = shouldShowDeleteButton();
+        mDeleteButton.setVisibility(enabled ? VISIBLE : GONE);
+        mBookmarkButton.setVisibility(enabled ? View.GONE : View.VISIBLE);
+    }
+
+    @Override
+    protected void updateLayoutParams() {
+        // Calculate the bookmark/delete button margins.
+        final MarginLayoutParams micLayoutParams =
+                (MarginLayoutParams) mMicButton.getLayoutParams();
+        int micSpace = ApiCompatibilityUtils.getMarginEnd(micLayoutParams);
+        if (mMicButton.getVisibility() != View.GONE) micSpace += mMicButton.getWidth();
+
+        final MarginLayoutParams deleteLayoutParams =
+                (MarginLayoutParams) mDeleteButton.getLayoutParams();
+        final MarginLayoutParams bookmarkLayoutParams =
+                (MarginLayoutParams) mBookmarkButton.getLayoutParams();
+
+        ApiCompatibilityUtils.setMarginEnd(deleteLayoutParams, micSpace);
+        ApiCompatibilityUtils.setMarginEnd(bookmarkLayoutParams, micSpace);
+
+        mDeleteButton.setLayoutParams(deleteLayoutParams);
+        mBookmarkButton.setLayoutParams(bookmarkLayoutParams);
+
+        super.updateLayoutParams();
+    }
+}