Add support for CMHome (1/2)

Add permission for DashClock extensions.
Change Trebuchet to allow viewing additional screen.
Add setting that to configure Google Now / CMHome.

Change-Id: I63286a2cce87455ed411bd4c77680200eec89be7

1 files changed, 64 insertions, 15 deletions

diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index fac0b8835..fbb3189f9 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -56,7 +56,6 @@ import android.graphics.Bitmap;
 import android.graphics.Canvas;
 import android.graphics.Point;
 import android.graphics.PorterDuff;
-import android.graphics.PorterDuffColorFilter;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
@@ -243,8 +242,6 @@ public class Launcher extends Activity
     private static int NEW_APPS_ANIMATION_INACTIVE_TIMEOUT_SECONDS = 5;
     private static int NEW_APPS_ANIMATION_DELAY = 500;
 
-    private boolean mGelIntegrationEnabled = false;
-
     private final BroadcastReceiver mCloseSystemDialogsReceiver
             = new CloseSystemDialogsIntentReceiver();
     private final ContentObserver mWidgetObserver = new AppWidgetResetObserver();
@@ -380,6 +377,34 @@ public class Launcher extends Activity
 
     private BubbleTextView mWaitingForResume;
 
+    public enum CustomContentMode {
+        DISABLED(0),
+        GEL(1),
+        CUSTOM_HOME(2);
+
+        private final int mValue;
+        private CustomContentMode(int value) {
+            mValue = value;
+        }
+
+        public int getValue() {
+            return mValue;
+        }
+
+        public static CustomContentMode getModeForValue(int value) {
+            switch (value) {
+            case 0:
+                return DISABLED;
+            case 1:
+                return GEL;
+            default :
+                return CUSTOM_HOME;
+            }
+        }
+    }
+
+    private CustomContentMode mCustomContentMode = CustomContentMode.CUSTOM_HOME;
+
     // Preferences
     private boolean mHideIconLabels;
 
@@ -492,7 +517,7 @@ public class Launcher extends Activity
         mSavedState = savedInstanceState;
         restoreState(mSavedState);
 
-        restoreGelSetting();
+        restoreCustomContentMode();
 
         if (PROFILE_STARTUP) {
             android.os.Debug.stopMethodTracing();
@@ -541,10 +566,11 @@ public class Launcher extends Activity
                 "cyanogenmod.permission.PROTECTED_APP", null);
     }
 
-    public void restoreGelSetting() {
-        mGelIntegrationEnabled = SettingsProvider.getBoolean(this,
-                SettingsProvider.SETTINGS_UI_HOMESCREEN_SEARCH_SCREEN_LEFT,
-                R.bool.preferences_interface_homescreen_search_screen_left_default);
+    public void restoreCustomContentMode() {
+        mCustomContentMode = CustomContentMode.getModeForValue(
+                SettingsProvider.getIntCustomDefault(this,
+                SettingsProvider.SETTINGS_UI_HOMESCREEN_SEARCH_PANEL_LEFT,
+                CustomContentMode.DISABLED.getValue()));
     }
 
     void initializeDynamicGrid() {
@@ -555,7 +581,7 @@ public class Launcher extends Activity
                 SettingsProvider.SETTINGS_UI_HOMESCREEN_HIDE_ICON_LABELS,
                 R.bool.preferences_interface_homescreen_hide_icon_labels_default);
 
-        restoreGelSetting();
+        restoreCustomContentMode();
 
         // Determine the dynamic grid properties
         Point smallestSize = new Point();
@@ -589,7 +615,23 @@ public class Launcher extends Activity
     }
 
     protected boolean hasCustomContentToLeft() {
-       return isGelIntegrationSupported() && isGelIntegrationEnabled();
+        switch(getCustomContentMode()) {
+            case GEL:
+                return isGelIntegrationSupported();
+            case CUSTOM_HOME:
+                return isCustomHomeActive();
+            default:
+                return false;
+        }
+    }
+
+    /**
+     * Returns true if the custom home application is initialized and ready
+     * for the user to scroll to it. To be implemented by subclasses.
+     * @return True if the custom home view is initialized.
+     */
+    protected boolean isCustomHomeActive() {
+        return false;
     }
 
     public boolean isGelIntegrationSupported() {
@@ -602,12 +644,16 @@ public class Launcher extends Activity
         return globalSearchActivity != null && isCM();
     }
 
-    public boolean isGelIntegrationEnabled() {
-        return mGelIntegrationEnabled;
+    public CustomContentMode getCustomContentMode() {
+        return mCustomContentMode;
+    }
+
+    public void setCustomContentMode(CustomContentMode customContentMode) {
+        mCustomContentMode = customContentMode;
     }
 
     public void onCustomContentLaunch() {
-        if(isGelIntegrationEnabled() && isGelIntegrationSupported()) {
+        if(isCustomContentModeGel() && isGelIntegrationSupported()) {
             GelIntegrationHelper.getInstance().registerSwipeBackGestureListenerAndStartGel(this, mWorkspace.isLayoutRtl());
         }
     }
@@ -1060,10 +1106,9 @@ public class Launcher extends Activity
         }
         super.onResume();
 
-
         updateGridIfNeeded();
 
-        if(isGelIntegrationEnabled() && isGelIntegrationSupported()) {
+        if(isCustomContentModeGel() && isGelIntegrationSupported()) {
             GelIntegrationHelper.getInstance().handleGelResume();
         }
 
@@ -1221,6 +1266,10 @@ public class Launcher extends Activity
         }
     }
 
+    protected boolean isCustomContentModeGel() {
+        return mCustomContentMode == CustomContentMode.GEL;
+    }
+
     public interface CustomContentCallbacks {
         // Custom content is completely shown
         public void onShow();