From 8d1eb6e0b77fd8ee4687ad27beeaa69801a8b1a3 Mon Sep 17 00:00:00 2001
From: Philipp Schaefer <trashzopf@gmail.com>
Date: Mon, 28 Oct 2013 20:14:25 +0100
Subject: [PATCH] first version of custom fullscreen preference (fix for #594)

---
 mobile/res/values/strings.xml                 |  22 +++-
 mobile/res/xml/preferences.xml                |  11 +-
 .../com/cradle/iitc_mobile/IITC_Mobile.java   |  38 +++---
 .../iitc_mobile/IITC_NavigationHelper.java    |  34 ++----
 .../com/cradle/iitc_mobile/IITC_WebView.java  | 111 ++++++++++++++++--
 5 files changed, 153 insertions(+), 63 deletions(-)

diff --git a/mobile/res/values/strings.xml b/mobile/res/values/strings.xml
index 5980c01b..1babb023 100644
--- a/mobile/res/values/strings.xml
+++ b/mobile/res/values/strings.xml
@@ -79,14 +79,16 @@
     <string name="pref_user_loc_sum">Show users position on map</string>
     <string name="pref_user_zoom">Show zoom control</string>
     <string name="pref_user_zoom_sum">Shows +/- buttons even on multitouch capable devices.</string>
-    <string name="pref_fullscreen_actionbar">Hide Action Bar in fullscreen mode</string>
-    <string name="pref_fullscreen_actionbar_sum">Nice for screenshots. Note: IITCm can still be controlled via the Navigation Drawers</string>
+    <string name="pref_fullscreen">Hide in fullscreen mode</string>
+    <string name="pref_fullscreen_sum">Which elements should be hidden in fullscreen mode.
+        Note: IITCm can still be controlled via the Navigation Drawers</string>
     <string name="pref_force_desktop">Force desktop mode</string>
     <string name="pref_force_desktop_sum">Nice for tablets, looks awful on smartphones</string>
     <string name="pref_force_https">Force https</string>
     <string name="pref_force_https_sum">Disabling may improve performance</string>
     <string name="pref_external_storage">Move cache to external storage</string>
-    <string name="pref_external_storage_sum">Restart required! Write cache to sdCard. Saves internal storage. External storage has to be mounted.</string>
+    <string name="pref_external_storage_sum">Restart required! Write cache to sdCard. Saves internal storage.
+        External storage has to be mounted.</string>
     <string name="pref_press_twice_to_exit">Press back button twice to exit</string>
     <string name="pref_press_twice_to_exit_sum">Avoids accidental exits</string>
     <string name="pref_advanced_options">Advanced settings</string>
@@ -106,6 +108,20 @@
     <string name="pref_caching">Aggressive Caching</string>
     <string name="pref_caching_sum">Prefer cached values even if they are expired…saves traffic but
         may result in login issues</string>
+
+    <string-array name="pref_hide_fullscreen">
+        <item>System Bar</item>
+        <item>Action Bar</item>
+        <item>IITC Status Bar</item>
+        <item>Navigation Bar</item>
+    </string-array>
+    <string-array name="pref_hide_fullscreen_vals">
+        <item>2</item>
+        <item>4</item>
+        <item>8</item>
+        <item>16</item>
+    </string-array>
+
     <string-array name="pref_caching_array">
         <item>Always</item>
         <item>Mobile data only (default)</item>
diff --git a/mobile/res/xml/preferences.xml b/mobile/res/xml/preferences.xml
index 8a137c51..ab91e41b 100644
--- a/mobile/res/xml/preferences.xml
+++ b/mobile/res/xml/preferences.xml
@@ -24,11 +24,12 @@
             android:key="pref_user_zoom"
             android:summary="@string/pref_user_zoom_sum"
             android:title="@string/pref_user_zoom"/>
-        <CheckBoxPreference
-            android:defaultValue="true"
-            android:key="pref_fullscreen_actionbar"
-            android:summary="@string/pref_fullscreen_actionbar_sum"
-            android:title="@string/pref_fullscreen_actionbar"/>
+        <MultiSelectListPreference
+            android:key="pref_fullscreen"
+            android:summary="@string/pref_fullscreen_sum"
+            android:title="@string/pref_fullscreen"
+            android:entries="@array/pref_hide_fullscreen"
+            android:entryValues="@array/pref_hide_fullscreen_vals"/>
         <CheckBoxPreference
             android:defaultValue="false"
             android:key="pref_force_desktop"
diff --git a/mobile/src/com/cradle/iitc_mobile/IITC_Mobile.java b/mobile/src/com/cradle/iitc_mobile/IITC_Mobile.java
index 043be0ec..01f86c1b 100644
--- a/mobile/src/com/cradle/iitc_mobile/IITC_Mobile.java
+++ b/mobile/src/com/cradle/iitc_mobile/IITC_Mobile.java
@@ -22,7 +22,6 @@ import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.Window;
-import android.view.WindowManager;
 import android.webkit.CookieManager;
 import android.webkit.WebView;
 import android.widget.SearchView;
@@ -45,7 +44,6 @@ public class IITC_Mobile extends Activity implements OnSharedPreferenceChangeLis
     private boolean mIsLocEnabled = false;
     private Location mLastLocation = null;
     private LocationManager mLocMngr = null;
-    private boolean mFullscreenMode = false;
     private IITC_DeviceAccountLogin mLogin;
     private MenuItem mSearchMenuItem;
     private boolean mDesktopMode = false;
@@ -72,11 +70,6 @@ public class IITC_Mobile extends Activity implements OnSharedPreferenceChangeLis
         setContentView(R.layout.activity_main);
         mIitcWebView = (IITC_WebView) findViewById(R.id.iitc_webview);
 
-        // pass ActionBar to helper because we deprecated getActionBar
-        mNavigationHelper = new IITC_NavigationHelper(this, super.getActionBar());
-
-        mMapSettings = new IITC_MapSettings(this);
-
         // do something if user changed something in the settings
         mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
         mSharedPrefs.registerOnSharedPreferenceChangeListener(this);
@@ -87,6 +80,9 @@ public class IITC_Mobile extends Activity implements OnSharedPreferenceChangeLis
         // enable/disable advance menu
         mAdvancedMenu = mSharedPrefs.getBoolean("pref_advanced_menu", false);
 
+        // get fullscreen status from settings
+        mIitcWebView.updateFullscreenStatus();
+
         // Acquire a reference to the system Location Manager
         mLocMngr = (LocationManager) this
                 .getSystemService(Context.LOCATION_SERVICE);
@@ -101,6 +97,12 @@ public class IITC_Mobile extends Activity implements OnSharedPreferenceChangeLis
                     this);
         }
 
+        // pass ActionBar to helper because we deprecated getActionBar
+        mNavigationHelper = new IITC_NavigationHelper(this, super.getActionBar());
+
+        mMapSettings = new IITC_MapSettings(this);
+
+
         // Clear the back stack
         mBackStack.clear();
 
@@ -114,9 +116,9 @@ public class IITC_Mobile extends Activity implements OnSharedPreferenceChangeLis
             mDesktopMode = sharedPreferences.getBoolean("pref_force_desktop", false);
             mNavigationHelper.onPrefChanged();
         } else if (key.equals("pref_user_loc")) {
-            mIsLocEnabled = sharedPreferences.getBoolean("pref_user_loc",
-                    false);
-        } else if (key.equals("pref_fullscreen_actionbar")) {
+            mIsLocEnabled = sharedPreferences.getBoolean("pref_user_loc", false);
+        } else if (key.equals("pref_fullscreen")) {
+            mIitcWebView.updateFullscreenStatus();
             mNavigationHelper.onPrefChanged();
             return;
         } else if (key.equals("pref_advanced_menu")) {
@@ -330,8 +332,8 @@ public class IITC_Mobile extends Activity implements OnSharedPreferenceChangeLis
     @Override
     public void onBackPressed() {
         // exit fullscreen mode if it is enabled and action bar is disabled or the back stack is empty
-        if (mFullscreenMode && (mBackStack.isEmpty() || mNavigationHelper.hideInFullscreen())) {
-            toggleFullscreen();
+        if (mIitcWebView.isInFullscreen() && mBackStack.isEmpty()) {
+            mIitcWebView.toggleFullscreen();
             return;
         }
 
@@ -456,7 +458,7 @@ public class IITC_Mobile extends Activity implements OnSharedPreferenceChangeLis
                 reloadIITC();
                 return true;
             case R.id.toggle_fullscreen:
-                toggleFullscreen();
+                mIitcWebView.toggleFullscreen();
                 return true;
             case R.id.layer_chooser:
                 mNavigationHelper.openRightDrawer();
@@ -549,16 +551,6 @@ public class IITC_Mobile extends Activity implements OnSharedPreferenceChangeLis
         }
     }
 
-    public void toggleFullscreen() {
-        mFullscreenMode = !mFullscreenMode;
-        mNavigationHelper.setFullscreen(mFullscreenMode);
-
-        // toggle notification bar
-        WindowManager.LayoutParams attrs = getWindow().getAttributes();
-        attrs.flags ^= WindowManager.LayoutParams.FLAG_FULLSCREEN;
-        this.getWindow().setAttributes(attrs);
-    }
-
     public IITC_WebView getWebView() {
         return this.mIitcWebView;
     }
diff --git a/mobile/src/com/cradle/iitc_mobile/IITC_NavigationHelper.java b/mobile/src/com/cradle/iitc_mobile/IITC_NavigationHelper.java
index 6e78db67..0d15cc85 100644
--- a/mobile/src/com/cradle/iitc_mobile/IITC_NavigationHelper.java
+++ b/mobile/src/com/cradle/iitc_mobile/IITC_NavigationHelper.java
@@ -20,7 +20,6 @@ import android.widget.AdapterView.OnItemClickListener;
 import android.widget.ArrayAdapter;
 import android.widget.ListView;
 import android.widget.TextView;
-import android.widget.Toast;
 
 public class IITC_NavigationHelper extends ActionBarDrawerToggle implements OnItemClickListener {
     // Show/hide the up arrow on the very left
@@ -111,9 +110,7 @@ public class IITC_NavigationHelper extends ActionBarDrawerToggle implements OnIt
     private final View mDrawerRight;
 
     private boolean mDesktopMode = false;
-    private boolean mFullscreen = false;
     private boolean mIsLoading;
-    private boolean mHideInFullscreen = false;
     private Pane mPane = Pane.MAP;
     private String mHighlighter = null;
 
@@ -232,12 +229,6 @@ public class IITC_NavigationHelper extends ActionBarDrawerToggle implements OnIt
         } else {
             mActionBar.setSubtitle(mHighlighter);
         }
-
-        if (mFullscreen && mHideInFullscreen) {
-            mActionBar.hide();
-        } else {
-            mActionBar.show();
-        }
     }
 
     public void closeDrawers() {
@@ -263,10 +254,6 @@ public class IITC_NavigationHelper extends ActionBarDrawerToggle implements OnIt
         }
     }
 
-    public boolean hideInFullscreen() {
-        return mHideInFullscreen;
-    }
-
     public boolean isDrawerOpened() {
         return mDrawerLayout.isDrawerOpen(mDrawerLeft) || mDrawerLayout.isDrawerOpen(mDrawerRight);
     }
@@ -275,6 +262,7 @@ public class IITC_NavigationHelper extends ActionBarDrawerToggle implements OnIt
     public void onDrawerClosed(View drawerView) {
         super.onDrawerClosed(drawerView);
 
+        mIitc.getWebView().onWindowFocusChanged(true);
         // delay invalidating to prevent flickering in case another drawer is opened
         (new Handler()).postDelayed(new Runnable() {
             @Override
@@ -288,6 +276,7 @@ public class IITC_NavigationHelper extends ActionBarDrawerToggle implements OnIt
     @Override
     public void onDrawerOpened(View drawerView) {
         super.onDrawerOpened(drawerView);
+        mIitc.getWebView().onWindowFocusChanged(false);
         mIitc.invalidateOptionsMenu();
         updateActionBar();
         mDrawerLayout.closeDrawer(drawerView.equals(mDrawerLeft) ? mDrawerRight : mDrawerLeft);
@@ -321,7 +310,6 @@ public class IITC_NavigationHelper extends ActionBarDrawerToggle implements OnIt
 
     public void onPrefChanged() {
         mDesktopMode = mPrefs.getBoolean("pref_force_desktop", false);
-        mHideInFullscreen = mPrefs.getBoolean("pref_fullscreen_actionbar", true);
         updateActionBar();
     }
 
@@ -343,16 +331,6 @@ public class IITC_NavigationHelper extends ActionBarDrawerToggle implements OnIt
         }
     }
 
-    public void setFullscreen(boolean fullscreen) {
-        mFullscreen = fullscreen;
-        if (mFullscreen && mHideInFullscreen) {
-            // show a toast with instructions to exit the fullscreen mode again
-            Toast.makeText(mIitc, "Press back button to exit fullscreen", Toast.LENGTH_SHORT).show();
-        }
-
-        updateActionBar();
-    }
-
     public void setHighlighter(String name) {
         mHighlighter = name;
         updateActionBar();
@@ -368,4 +346,12 @@ public class IITC_NavigationHelper extends ActionBarDrawerToggle implements OnIt
 
         updateActionBar();
     }
+
+    public void showActionBar() {
+        mActionBar.show();
+    }
+
+    public void hideActionBar() {
+        mActionBar.hide();
+    }
 }
diff --git a/mobile/src/com/cradle/iitc_mobile/IITC_WebView.java b/mobile/src/com/cradle/iitc_mobile/IITC_WebView.java
index f57069c7..5754c1ec 100644
--- a/mobile/src/com/cradle/iitc_mobile/IITC_WebView.java
+++ b/mobile/src/com/cradle/iitc_mobile/IITC_WebView.java
@@ -11,32 +11,47 @@ import android.os.Build;
 import android.preference.PreferenceManager;
 import android.util.AttributeSet;
 import android.util.Log;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.WindowManager;
 import android.webkit.ConsoleMessage;
 import android.webkit.GeolocationPermissions;
 import android.webkit.WebChromeClient;
 import android.webkit.WebSettings;
 import android.webkit.WebView;
+import android.widget.Toast;
 
 import com.cradle.iitc_mobile.async.CheckHttpResponse;
 
+import java.util.HashSet;
+import java.util.Set;
+
 @SuppressLint("SetJavaScriptEnabled")
 public class IITC_WebView extends WebView {
 
+    // fullscreen modes
+    public static final int FS_ENABLED = (1 << 0);
+    public static final int FS_SYSBAR = (1 << 1);
+    public static final int FS_ACTIONBAR = (1 << 2);
+    public static final int FS_STATUSBAR = (1 << 3);
+    public static final int FS_NAVBAR = (1 << 4);
+
     private WebSettings mSettings;
     private IITC_WebViewClient mIitcWebViewClient;
     private IITC_JSInterface mJsInterface;
-    private Context mContext;
+    private IITC_Mobile mIitc;
     private SharedPreferences mSharedPrefs;
+    private int mFullscreenStatus = 0;
+    private Runnable mNavHider;
     private boolean mDisableJs = false;
     private String mDefaultUserAgent;
     private final String mDesktopUserAgent = "Mozilla/5.0 (X11; Linux x86_64; rv:17.0)" +
             " Gecko/20130810 Firefox/17.0 Iceweasel/17.0.8";
 
-
     // init web view
     private void iitc_init(Context c) {
         if (isInEditMode()) return;
-        mContext = c;
+        mIitc = (IITC_Mobile) c;
         mSettings = getSettings();
         mSettings.setJavaScriptEnabled(true);
         mSettings.setDomStorageEnabled(true);
@@ -45,12 +60,21 @@ public class IITC_WebView extends WebView {
         mSettings.setAppCacheEnabled(true);
         mSettings.setDatabasePath(getContext().getApplicationInfo().dataDir + "/databases/");
         mSettings.setAppCachePath(getContext().getCacheDir().getAbsolutePath());
-        mJsInterface = new IITC_JSInterface((IITC_Mobile) mContext);
+        mJsInterface = new IITC_JSInterface(mIitc);
         addJavascriptInterface(mJsInterface, "android");
-        mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(mContext);
+        mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(mIitc);
         mDefaultUserAgent = mSettings.getUserAgentString();
         setUserAgent();
 
+        mNavHider = new Runnable() {
+            @Override
+            public void run() {
+                if (isInFullscreen() && (getFullscreenStatus() & (FS_NAVBAR)) != 0) {
+                    setSystemUiVisibility(SYSTEM_UI_FLAG_HIDE_NAVIGATION);
+                }
+            }
+        };
+
         setWebChromeClient(new WebChromeClient() {
             /**
              * our webchromeclient should share geolocation with the iitc script
@@ -81,7 +105,7 @@ public class IITC_WebView extends WebView {
             @Override
             public boolean onConsoleMessage(ConsoleMessage consoleMessage) {
                 if (consoleMessage.messageLevel() == ConsoleMessage.MessageLevel.ERROR) {
-                    ((IITC_Mobile) getContext()).setLoadingState(false);
+                    mIitc.setLoadingState(false);
                 }
                 return super.onConsoleMessage(consoleMessage);
             }
@@ -142,12 +166,84 @@ public class IITC_WebView extends WebView {
             }
 
             // disable splash screen if a http error code is responded
-            new CheckHttpResponse(mJsInterface, mContext).execute(url);
+            new CheckHttpResponse(mJsInterface, mIitc).execute(url);
             Log.d("iitcm", "loading url: " + url);
         }
         super.loadUrl(url);
     }
 
+    @Override
+    public boolean onTouchEvent(MotionEvent event) {
+        getHandler().removeCallbacks(mNavHider);
+        getHandler().postDelayed(mNavHider, 2000);
+        return super.onTouchEvent(event);
+    }
+
+    @Override
+    public void setSystemUiVisibility(int visibility) {
+        getHandler().postDelayed(mNavHider, 2000);
+        super.setSystemUiVisibility(visibility);
+    }
+
+    @Override
+    public void onWindowFocusChanged(boolean hasWindowFocus) {
+        if (hasWindowFocus) {
+            getHandler().postDelayed(mNavHider, 2000);
+        } else {
+            getHandler().removeCallbacks(mNavHider);
+        }
+        super.onWindowFocusChanged(hasWindowFocus);
+    }
+
+    public void toggleFullscreen() {
+        mFullscreenStatus ^= FS_ENABLED;
+
+        WindowManager.LayoutParams attrs = mIitc.getWindow().getAttributes();
+        // toggle notification bar
+        if (isInFullscreen()) {
+            // show a toast with instructions to exit the fullscreen mode again
+            Toast.makeText(mIitc, "Press back button to exit fullscreen", Toast.LENGTH_SHORT).show();
+            if ((mFullscreenStatus & FS_ACTIONBAR) != 0) {
+                mIitc.getNavigationHelper().hideActionBar();
+            }
+            if ((mFullscreenStatus & FS_SYSBAR) != 0) {
+                attrs.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
+            }
+            if ((mFullscreenStatus & FS_NAVBAR) != 0) {
+                setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
+            }
+            if ((mFullscreenStatus & FS_STATUSBAR) != 0) {
+                loadUrl("javascript: $('#updatestatus').hide();");
+            }
+        } else {
+            attrs.flags &= ~WindowManager.LayoutParams.FLAG_FULLSCREEN;
+            mIitc.getNavigationHelper().showActionBar();
+            loadUrl("javascript: $('#updatestatus').show();");
+        }
+        mIitc.getWindow().setAttributes(attrs);
+    }
+
+    void updateFullscreenStatus() {
+        Set<String> entries = mSharedPrefs.getStringSet("pref_fullscreen", new HashSet<String>());
+        mFullscreenStatus &= FS_ENABLED;
+
+        // default values...android has no nice way to add default values to multiSelectListPreferences
+        if (entries.isEmpty()) {
+            mFullscreenStatus += FS_ACTIONBAR | FS_SYSBAR;
+        }
+        for (String entry : entries) {
+            mFullscreenStatus += Integer.parseInt(entry);
+        }
+    }
+
+    int getFullscreenStatus() {
+        return mFullscreenStatus;
+    }
+
+    public boolean isInFullscreen() {
+        return (mFullscreenStatus & FS_ENABLED) != 0;
+    }
+
     public IITC_WebViewClient getWebViewClient() {
         return mIitcWebViewClient;
     }
@@ -210,5 +306,4 @@ public class IITC_WebView extends WebView {
         Log.d("iitcm", "setting user agent to: " + ua);
         mSettings.setUserAgentString(ua);
     }
-
 }