TitleBar refactor

Change-Id: I0a2df041529143c8e0ff17af341376a3f827be04

1 files changed, 341 insertions, 0 deletions

diff --git a/src/com/android/browser/TitleBar.java b/src/com/android/browser/TitleBar.java
new file mode 100644
index 0000000..4e93124
--- /dev/null
+++ b/src/com/android/browser/TitleBar.java
@@ -0,0 +1,341 @@
+/*
+ * 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.android.browser;
+
+import android.animation.Animator;
+import android.animation.Animator.AnimatorListener;
+import android.animation.ObjectAnimator;
+import android.content.Context;
+import android.content.res.Resources;
+import android.view.Gravity;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.animation.Animation;
+import android.view.animation.Animation.AnimationListener;
+import android.view.animation.AnimationUtils;
+import android.view.animation.DecelerateInterpolator;
+import android.webkit.WebView;
+import android.widget.AbsoluteLayout;
+import android.widget.FrameLayout;
+import android.widget.RelativeLayout;
+
+
+/**
+ * Base class for a title bar used by the browser.
+ */
+public class TitleBar extends RelativeLayout {
+
+    private static final int PROGRESS_MAX = 100;
+    private static final float ANIM_TITLEBAR_DECELERATE = 2.5f;
+
+    private UiController mUiController;
+    private BaseUi mBaseUi;
+    private FrameLayout mParent;
+    private PageProgressView mProgress;
+
+    private AutologinBar mAutoLogin;
+    private NavigationBarBase mNavBar;
+    private boolean mUseQuickControls;
+
+    //state
+    private boolean mShowing;
+    private boolean mInLoad;
+    private boolean mSkipTitleBarAnimations;
+    private Animator mTitleBarAnimator;
+
+    public TitleBar(Context context, UiController controller, BaseUi ui,
+            FrameLayout parent) {
+        super(context, null);
+        mUiController = controller;
+        mBaseUi = ui;
+        mParent = parent;
+        initLayout(context);
+    }
+
+    private void initLayout(Context context) {
+        LayoutInflater factory = LayoutInflater.from(context);
+        factory.inflate(R.layout.title_bar, this);
+        mProgress = (PageProgressView) findViewById(R.id.progress);
+        mAutoLogin = (AutologinBar) findViewById(R.id.autologin);
+        mAutoLogin.setTitleBar(this);
+        mNavBar = (NavigationBarBase) findViewById(R.id.taburlbar);
+        mNavBar.setTitleBar(this);
+    }
+
+    public BaseUi getUi() {
+        return mBaseUi;
+    }
+
+    public UiController getUiController() {
+        return mUiController;
+    }
+
+    public void setUseQuickControls(boolean use) {
+        mUseQuickControls = use;
+        setLayoutParams(makeLayoutParams());
+    }
+
+    void setShowProgressOnly(boolean progress) {
+        if (progress && !inAutoLogin()) {
+            mNavBar.setVisibility(View.GONE);
+        } else {
+            mNavBar.setVisibility(View.VISIBLE);
+        }
+    }
+
+    void setSkipTitleBarAnimations(boolean skip) {
+        mSkipTitleBarAnimations = skip;
+    }
+
+    void setupTitleBarAnimator(Animator animator) {
+        Resources res = mContext.getResources();
+        int duration = res.getInteger(R.integer.titlebar_animation_duration);
+        animator.setInterpolator(new DecelerateInterpolator(
+                ANIM_TITLEBAR_DECELERATE));
+        animator.setDuration(duration);
+    }
+
+    void show() {
+        if (mUseQuickControls) {
+            mParent.addView(this);
+        } else {
+            if (!mSkipTitleBarAnimations) {
+                cancelTitleBarAnimation(false);
+                int visibleHeight = getVisibleTitleHeight();
+                float startPos = (-getEmbeddedHeight() + visibleHeight);
+                if (getTranslationY() != 0) {
+                    startPos = Math.max(startPos, getTranslationY());
+                }
+                mTitleBarAnimator = ObjectAnimator.ofFloat(this,
+                        "translationY",
+                        startPos, 0);
+                setupTitleBarAnimator(mTitleBarAnimator);
+                mTitleBarAnimator.start();
+            }
+            mBaseUi.setTitleGravity(Gravity.TOP);
+        }
+        mShowing = true;
+    }
+
+    void hide() {
+        if (mUseQuickControls) {
+            mParent.removeView(this);
+        } else {
+            if (!mSkipTitleBarAnimations) {
+                cancelTitleBarAnimation(false);
+                int visibleHeight = getVisibleTitleHeight();
+                mTitleBarAnimator = ObjectAnimator.ofFloat(this,
+                        "translationY", getTranslationY(),
+                        (-getEmbeddedHeight() + visibleHeight));
+                mTitleBarAnimator.addListener(mHideTileBarAnimatorListener);
+                setupTitleBarAnimator(mTitleBarAnimator);
+                mTitleBarAnimator.start();
+            } else {
+                mBaseUi.setTitleGravity(Gravity.NO_GRAVITY);
+            }
+        }
+        mShowing = false;
+    }
+
+    boolean isShowing() {
+        return mShowing;
+    }
+
+    void cancelTitleBarAnimation(boolean reset) {
+        if (mTitleBarAnimator != null) {
+            mTitleBarAnimator.cancel();
+            mTitleBarAnimator = null;
+        }
+        if (reset) {
+            setTranslationY(0);
+        }
+    }
+
+    private AnimatorListener mHideTileBarAnimatorListener = new AnimatorListener() {
+
+        boolean mWasCanceled;
+        @Override
+        public void onAnimationStart(Animator animation) {
+            mWasCanceled = false;
+        }
+
+        @Override
+        public void onAnimationRepeat(Animator animation) {
+        }
+
+        @Override
+        public void onAnimationEnd(Animator animation) {
+            if (!mWasCanceled) {
+                setTranslationY(0);
+            }
+            mBaseUi.setTitleGravity(Gravity.NO_GRAVITY);
+        }
+
+        @Override
+        public void onAnimationCancel(Animator animation) {
+            mWasCanceled = true;
+        }
+    };
+
+    private int getVisibleTitleHeight() {
+        Tab tab = mBaseUi.getActiveTab();
+        WebView webview = tab != null ? tab.getWebView() : null;
+        return webview != null ? webview.getVisibleTitleHeight() : 0;
+    }
+
+    /**
+     * Update the progress, from 0 to 100.
+     */
+    public void setProgress(int newProgress) {
+        if (newProgress >= PROGRESS_MAX) {
+            mProgress.setProgress(PageProgressView.MAX_PROGRESS);
+            mProgress.setVisibility(View.GONE);
+            mInLoad = false;
+            mNavBar.onProgressStopped();
+            // check if needs to be hidden
+            if (!isEditingUrl() && !inAutoLogin()) {
+                hide();
+                if (mUseQuickControls) {
+                    setShowProgressOnly(false);
+                }
+            }
+        } else {
+            if (!mInLoad) {
+                mProgress.setVisibility(View.VISIBLE);
+                mInLoad = true;
+                mNavBar.onProgressStarted();
+            }
+            mProgress.setProgress(newProgress * PageProgressView.MAX_PROGRESS
+                    / PROGRESS_MAX);
+            if (!mShowing) {
+                if (mUseQuickControls && !isEditingUrl()) {
+                    setShowProgressOnly(true);
+                }
+                show();
+            }
+        }
+    }
+
+    public int getEmbeddedHeight() {
+        int height = mNavBar.getHeight();
+        if (mAutoLogin.getVisibility() == View.VISIBLE) {
+            height += mAutoLogin.getHeight();
+        }
+        return height;
+    }
+
+    public void updateAutoLogin(Tab tab, boolean animate) {
+        mAutoLogin.updateAutoLogin(tab, animate);
+    }
+
+    public void showAutoLogin(boolean animate) {
+        if (mUseQuickControls) {
+            mBaseUi.showTitleBar();
+        }
+        mAutoLogin.setVisibility(View.VISIBLE);
+        if (animate) {
+            mAutoLogin.startAnimation(AnimationUtils.loadAnimation(
+                    getContext(), R.anim.autologin_enter));
+        }
+    }
+
+    public void hideAutoLogin(boolean animate) {
+        if (mUseQuickControls) {
+            mBaseUi.hideTitleBar();
+            mAutoLogin.setVisibility(View.GONE);
+            mBaseUi.refreshWebView();
+        } else {
+            if (animate) {
+                Animation anim = AnimationUtils.loadAnimation(getContext(),
+                        R.anim.autologin_exit);
+                anim.setAnimationListener(new AnimationListener() {
+                    @Override
+                    public void onAnimationEnd(Animation a) {
+                        mAutoLogin.setVisibility(View.GONE);
+                        mBaseUi.refreshWebView();
+                    }
+
+                    @Override
+                    public void onAnimationStart(Animation a) {
+                    }
+
+                    @Override
+                    public void onAnimationRepeat(Animation a) {
+                    }
+                });
+                mAutoLogin.startAnimation(anim);
+            } else if (mAutoLogin.getAnimation() == null) {
+                mAutoLogin.setVisibility(View.GONE);
+                mBaseUi.refreshWebView();
+            }
+        }
+    }
+
+    public boolean inAutoLogin() {
+        return mAutoLogin.getVisibility() == View.VISIBLE;
+    }
+
+    public boolean isEditingUrl() {
+        return mNavBar.isEditingUrl();
+    }
+
+    public WebView getCurrentWebView() {
+        Tab t = mBaseUi.getActiveTab();
+        if (t != null) {
+            return t.getWebView();
+        } else {
+            return null;
+        }
+    }
+
+    public PageProgressView getProgressView() {
+        return mProgress;
+    }
+
+    public NavigationBarBase getNavigationBar() {
+        return mNavBar;
+    }
+
+    public boolean useQuickControls() {
+        return mUseQuickControls;
+    }
+
+    public boolean isInLoad() {
+        return mInLoad;
+    }
+
+    private ViewGroup.LayoutParams makeLayoutParams() {
+        if (mUseQuickControls) {
+            return new FrameLayout.LayoutParams(LayoutParams.MATCH_PARENT,
+                    LayoutParams.WRAP_CONTENT);
+        } else {
+            return new AbsoluteLayout.LayoutParams(
+                    LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT,
+                    0, 0);
+        }
+    }
+
+    @Override
+    public View focusSearch(View focused, int dir) {
+        if (FOCUS_DOWN == dir && hasFocus()) {
+            return getCurrentWebView();
+        }
+        return super.focusSearch(focused, dir);
+    }
+
+}