michael@0: /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: package org.mozilla.gecko.widget;
michael@0: 
michael@0: import org.mozilla.gecko.R;
michael@0: import org.mozilla.gecko.Tabs;
michael@0: import org.mozilla.gecko.prompts.PromptInput;
michael@0: 
michael@0: import org.json.JSONArray;
michael@0: import org.json.JSONException;
michael@0: import org.json.JSONObject;
michael@0: 
michael@0: import android.content.Context;
michael@0: import android.content.res.Resources;
michael@0: import android.graphics.Rect;
michael@0: import android.os.Build;
michael@0: import android.text.SpannableString;
michael@0: import android.text.TextUtils;
michael@0: import android.text.method.LinkMovementMethod;
michael@0: import android.text.style.ForegroundColorSpan;
michael@0: import android.text.style.URLSpan;
michael@0: import android.util.Log;
michael@0: import android.view.LayoutInflater;
michael@0: import android.view.View;
michael@0: import android.view.ViewGroup;
michael@0: import android.widget.Button;
michael@0: import android.widget.CheckBox;
michael@0: import android.widget.ImageView;
michael@0: import android.widget.LinearLayout;
michael@0: import android.widget.Spinner;
michael@0: import android.widget.SpinnerAdapter;
michael@0: import android.widget.TextView;
michael@0: 
michael@0: import java.util.ArrayList;
michael@0: import java.util.List;
michael@0: 
michael@0: public class DoorHanger extends LinearLayout {
michael@0:     private static final String LOGTAG = "GeckoDoorHanger";
michael@0: 
michael@0:     private static int sInputPadding = -1;
michael@0:     private static int sSpinnerTextColor = -1;
michael@0:     private static int sSpinnerTextSize = -1;
michael@0: 
michael@0:     private static LayoutParams sButtonParams;
michael@0:     static {
michael@0:         sButtonParams = new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT, 1.0f);
michael@0:     }
michael@0: 
michael@0:     private final TextView mTextView;
michael@0:     private final ImageView mIcon;
michael@0:     private final LinearLayout mChoicesLayout;
michael@0: 
michael@0:     // Divider between doorhangers.
michael@0:     private final View mDivider;
michael@0: 
michael@0:     // The tab associated with this notification.
michael@0:     private final int mTabId;
michael@0: 
michael@0:     // Value used to identify the notification.
michael@0:     private final String mValue;
michael@0: 
michael@0:     private Resources mResources;
michael@0: 
michael@0:     private List<PromptInput> mInputs;
michael@0:     private CheckBox mCheckBox;
michael@0: 
michael@0:     private int mPersistence = 0;
michael@0:     private boolean mPersistWhileVisible = false;
michael@0:     private long mTimeout = 0;
michael@0: 
michael@0:     // Color used for dividers above and between buttons.
michael@0:     private int mDividerColor;
michael@0: 
michael@0:     public static enum Theme {
michael@0:         LIGHT,
michael@0:         DARK
michael@0:     }
michael@0: 
michael@0:     public interface OnButtonClickListener {
michael@0:         public void onButtonClick(DoorHanger dh, String tag);
michael@0:     }
michael@0: 
michael@0:     public DoorHanger(Context context, Theme theme) {
michael@0:         this(context, 0, null, theme);
michael@0:     }
michael@0: 
michael@0:     public DoorHanger(Context context, int tabId, String value) {
michael@0:         this(context, tabId, value, Theme.LIGHT);
michael@0:     }
michael@0: 
michael@0:     private DoorHanger(Context context, int tabId, String value, Theme theme) {
michael@0:         super(context);
michael@0: 
michael@0:         mTabId = tabId;
michael@0:         mValue = value;
michael@0:         mResources = getResources();
michael@0: 
michael@0:         if (sInputPadding == -1) {
michael@0:             sInputPadding = mResources.getDimensionPixelSize(R.dimen.doorhanger_padding);
michael@0:         }
michael@0:         if (sSpinnerTextColor == -1) {
michael@0:             sSpinnerTextColor = mResources.getColor(R.color.text_color_primary_disable_only);
michael@0:         }
michael@0:         if (sSpinnerTextSize == -1) {
michael@0:             sSpinnerTextSize = mResources.getDimensionPixelSize(R.dimen.doorhanger_spinner_textsize);
michael@0:         }
michael@0: 
michael@0:         setOrientation(VERTICAL);
michael@0: 
michael@0:         LayoutInflater.from(context).inflate(R.layout.doorhanger, this);
michael@0:         mTextView = (TextView) findViewById(R.id.doorhanger_title);
michael@0:         mIcon = (ImageView) findViewById(R.id.doorhanger_icon);
michael@0:         mChoicesLayout = (LinearLayout) findViewById(R.id.doorhanger_choices);
michael@0:         mDivider = findViewById(R.id.divider_doorhanger);
michael@0: 
michael@0:         setTheme(theme);
michael@0:     }
michael@0: 
michael@0:     private void setTheme(Theme theme) {
michael@0:         if (theme == Theme.LIGHT) {
michael@0:             // The default styles declared in doorhanger.xml are light-themed, so we just
michael@0:             // need to set the divider color that we'll use in addButton.
michael@0:             mDividerColor = mResources.getColor(R.color.doorhanger_divider_light);
michael@0: 
michael@0:         } else if (theme == Theme.DARK) {
michael@0:             mDividerColor = mResources.getColor(R.color.doorhanger_divider_dark);
michael@0: 
michael@0:             // Set a dark background, and use a smaller text size for dark-themed DoorHangers.
michael@0:             setBackgroundColor(mResources.getColor(R.color.doorhanger_background_dark));
michael@0:             mTextView.setTextSize(mResources.getDimension(R.dimen.doorhanger_textsize_small));
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     public int getTabId() {
michael@0:         return mTabId;
michael@0:     }
michael@0: 
michael@0:     public String getValue() {
michael@0:         return mValue;
michael@0:     }
michael@0: 
michael@0:     public List<PromptInput> getInputs() {
michael@0:         return mInputs;
michael@0:     }
michael@0: 
michael@0:     public CheckBox getCheckBox() {
michael@0:         return mCheckBox;
michael@0:     }
michael@0: 
michael@0:     public void showDivider() {
michael@0:         mDivider.setVisibility(View.VISIBLE);
michael@0:     }
michael@0: 
michael@0:     public void hideDivider() {
michael@0:         mDivider.setVisibility(View.GONE);
michael@0:     }
michael@0: 
michael@0:     public void setMessage(String message) {
michael@0:         mTextView.setText(message);
michael@0:     }
michael@0: 
michael@0:     public void setIcon(int resId) {
michael@0:         mIcon.setImageResource(resId);
michael@0:         mIcon.setVisibility(View.VISIBLE);
michael@0:     }
michael@0: 
michael@0:     public void addLink(String label, String url, String delimiter) {
michael@0:         String title = mTextView.getText().toString();
michael@0:         SpannableString titleWithLink = new SpannableString(title + delimiter + label);
michael@0:         URLSpan linkSpan = new URLSpan(url) {
michael@0:             @Override
michael@0:             public void onClick(View view) {
michael@0:                 Tabs.getInstance().loadUrlInTab(getURL());
michael@0:             }
michael@0:         };
michael@0: 
michael@0:         // Prevent text outside the link from flashing when clicked.
michael@0:         ForegroundColorSpan colorSpan = new ForegroundColorSpan(mTextView.getCurrentTextColor());
michael@0:         titleWithLink.setSpan(colorSpan, 0, title.length(), 0);
michael@0: 
michael@0:         titleWithLink.setSpan(linkSpan, title.length() + 1, titleWithLink.length(), 0);
michael@0:         mTextView.setText(titleWithLink);
michael@0:         mTextView.setMovementMethod(LinkMovementMethod.getInstance());
michael@0:     }
michael@0: 
michael@0:     public void addButton(final String text, final String tag, final OnButtonClickListener listener) {
michael@0:         final Button button = (Button) LayoutInflater.from(getContext()).inflate(R.layout.doorhanger_button, null);
michael@0:         button.setText(text);
michael@0:         button.setTag(tag);
michael@0: 
michael@0:         button.setOnClickListener(new Button.OnClickListener() {
michael@0:             @Override
michael@0:             public void onClick(View v) {
michael@0:                 listener.onButtonClick(DoorHanger.this, tag);
michael@0:             }
michael@0:         });
michael@0: 
michael@0:         if (mChoicesLayout.getChildCount() == 0) {
michael@0:             // If this is the first button we're adding, make the choices layout visible.
michael@0:             mChoicesLayout.setVisibility(View.VISIBLE);
michael@0:             // Make the divider above the buttons visible.
michael@0:             View divider = findViewById(R.id.divider_choices);
michael@0:             divider.setVisibility(View.VISIBLE);
michael@0:             divider.setBackgroundColor(mDividerColor);
michael@0:         } else {
michael@0:             // Add a vertical divider between additional buttons.
michael@0:             Divider divider = new Divider(getContext(), null);
michael@0:             divider.setOrientation(Divider.Orientation.VERTICAL);
michael@0:             divider.setBackgroundColor(mDividerColor);
michael@0:             mChoicesLayout.addView(divider);
michael@0:         }
michael@0: 
michael@0:         mChoicesLayout.addView(button, sButtonParams);
michael@0:     }
michael@0: 
michael@0:     public void setOptions(final JSONObject options) {
michael@0:         final int persistence = options.optInt("persistence");
michael@0:         if (persistence > 0) {
michael@0:             mPersistence = persistence;
michael@0:         }
michael@0: 
michael@0:         mPersistWhileVisible = options.optBoolean("persistWhileVisible");
michael@0: 
michael@0:         final long timeout = options.optLong("timeout");
michael@0:         if (timeout > 0) {
michael@0:             mTimeout = timeout;
michael@0:         }
michael@0: 
michael@0:         final JSONObject link = options.optJSONObject("link");
michael@0:         if (link != null) {
michael@0:             try {
michael@0:                 final String linkLabel = link.getString("label");
michael@0:                 final String linkUrl = link.getString("url");
michael@0:                 addLink(linkLabel, linkUrl, " ");
michael@0:             } catch (JSONException e) { }
michael@0:         }
michael@0: 
michael@0:         final JSONArray inputs = options.optJSONArray("inputs");
michael@0:         if (inputs != null) {
michael@0:             mInputs = new ArrayList<PromptInput>();
michael@0: 
michael@0:             final ViewGroup group = (ViewGroup) findViewById(R.id.doorhanger_inputs);
michael@0:             group.setVisibility(VISIBLE);
michael@0: 
michael@0:             for (int i = 0; i < inputs.length(); i++) {
michael@0:                 try {
michael@0:                     PromptInput input = PromptInput.getInput(inputs.getJSONObject(i));
michael@0:                     mInputs.add(input);
michael@0: 
michael@0:                     View v = input.getView(getContext());
michael@0:                     styleInput(input, v);
michael@0:                     group.addView(v);
michael@0:                 } catch(JSONException ex) { }
michael@0:             }
michael@0:         }
michael@0: 
michael@0:         final String checkBoxText = options.optString("checkbox");
michael@0:         if (!TextUtils.isEmpty(checkBoxText)) {
michael@0:             mCheckBox = (CheckBox) findViewById(R.id.doorhanger_checkbox);
michael@0:             mCheckBox.setText(checkBoxText);
michael@0:             mCheckBox.setVisibility(VISIBLE);
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     private void styleInput(PromptInput input, View view) {
michael@0:         if (input instanceof PromptInput.MenulistInput) {
michael@0:             styleSpinner(input, view);
michael@0:         } else {
michael@0:             // add some top and bottom padding to separate inputs
michael@0:             view.setPadding(0, sInputPadding,
michael@0:                             0, sInputPadding);
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     private void styleSpinner(PromptInput input, View view) {
michael@0:         PromptInput.MenulistInput spinInput = (PromptInput.MenulistInput) input;
michael@0: 
michael@0:         /* Spinners have some intrinsic padding. To force the spinner's text to line up with
michael@0:          * the doorhanger text, we have to take that padding into account.
michael@0:          * 
michael@0:          * |-----A-------| <-- Normal doorhanger message
michael@0:          * |-B-|---C+D---| <-- (optional) Spinner Label
michael@0:          * |-B-|-C-|--D--| <-- Spinner
michael@0:          *
michael@0:          * A - Desired padding (sInputPadding)
michael@0:          * B - Final padding applied to input element (sInputPadding - rect.left - textPadding).
michael@0:          * C - Spinner background drawable padding (rect.left).
michael@0:          * D - Spinner inner TextView padding (textPadding).
michael@0:          */
michael@0: 
michael@0:         // First get the padding of the selected view inside the spinner. Since the spinner
michael@0:         // hasn't been shown yet, we get this view directly from the adapter.
michael@0:         Spinner spinner = spinInput.spinner;
michael@0:         SpinnerAdapter adapter = spinner.getAdapter();
michael@0:         View dropView = adapter.getView(0, null, spinner);
michael@0:         int textPadding = 0;
michael@0:         if (dropView != null) {
michael@0:             textPadding = dropView.getPaddingLeft();
michael@0:         }
michael@0: 
michael@0:         // Then get the intrinsic padding built into the background image of the spinner.
michael@0:         Rect rect = new Rect();
michael@0:         spinner.getBackground().getPadding(rect);
michael@0: 
michael@0:         // Set the difference in padding to the spinner view to align it with doorhanger text.
michael@0:         view.setPadding(sInputPadding - rect.left - textPadding, 0, rect.right, sInputPadding);
michael@0: 
michael@0:         if (spinInput.textView != null) {
michael@0:             spinInput.textView.setTextColor(sSpinnerTextColor);
michael@0:             spinInput.textView.setTextSize(sSpinnerTextSize);
michael@0: 
michael@0:             // If this spinner has a label, offset it to also be aligned with the doorhanger text.
michael@0:             spinInput.textView.setPadding(rect.left + textPadding, 0, 0, 0);
michael@0:         }
michael@0:     }
michael@0: 
michael@0: 
michael@0:     /*
michael@0:      * Checks with persistence and timeout options to see if it's okay to remove a doorhanger.
michael@0:      *
michael@0:      * @param isShowing Whether or not this doorhanger is currently visible to the user.
michael@0:      *                 (e.g. the DoorHanger view might be VISIBLE, but its parent could be hidden)
michael@0:      */
michael@0:     public boolean shouldRemove(boolean isShowing) {
michael@0:         if (mPersistWhileVisible && isShowing) {
michael@0:             // We still want to decrement mPersistence, even if the popup is showing
michael@0:             if (mPersistence != 0)
michael@0:                 mPersistence--;
michael@0:             return false;
michael@0:         }
michael@0: 
michael@0:         // If persistence is set to -1, the doorhanger will never be
michael@0:         // automatically removed.
michael@0:         if (mPersistence != 0) {
michael@0:             mPersistence--;
michael@0:             return false;
michael@0:         }
michael@0: 
michael@0:         if (System.currentTimeMillis() <= mTimeout) {
michael@0:             return false;
michael@0:         }
michael@0: 
michael@0:         return true;
michael@0:     }
michael@0: }