Bug 1197014 - Add ThemedFrameLayout. r=sebastian

Note that this file is auto-generated from generate_themed_views.py.

--HG--
extra : commitid : 2b6fhN8Wts0
extra : rebase_source : bc26ceb131a74434d99695660fd104893a16d5b7

mobile/android/base/moz.build

@@ -556,6 +556,7 @@ gbjar.sources += [
 # editing this list, make sure to edit that script.
 gbjar.sources += [
     'widget/ThemedEditText.java',
+    'widget/ThemedFrameLayout.java',
     'widget/ThemedImageButton.java',
     'widget/ThemedImageView.java',
     'widget/ThemedLinearLayout.java',

mobile/android/base/widget/ThemedFrameLayout.java

@@ -0,0 +1,167 @@
+// This file is generated by generate_themed_views.py; do not edit.
+
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.gecko.widget;
+
+import org.mozilla.gecko.GeckoApplication;
+import org.mozilla.gecko.lwt.LightweightTheme;
+import org.mozilla.gecko.R;
+import org.mozilla.gecko.util.ColorUtils;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.drawable.ColorDrawable;
+import android.util.AttributeSet;
+
+public class ThemedFrameLayout extends android.widget.FrameLayout
+                                     implements LightweightTheme.OnChangeListener {
+    private LightweightTheme mTheme;
+
+    private static final int[] STATE_PRIVATE_MODE = { R.attr.state_private };
+    private static final int[] STATE_LIGHT = { R.attr.state_light };
+    private static final int[] STATE_DARK = { R.attr.state_dark };
+
+    protected static final int[] PRIVATE_PRESSED_STATE_SET = { R.attr.state_private, android.R.attr.state_pressed };
+    protected static final int[] PRIVATE_FOCUSED_STATE_SET = { R.attr.state_private, android.R.attr.state_focused };
+    protected static final int[] PRIVATE_STATE_SET = { R.attr.state_private };
+
+    private boolean mIsPrivate;
+    private boolean mIsLight;
+    private boolean mIsDark;
+    private boolean mAutoUpdateTheme;        // always false if there's no theme.
+
+    public ThemedFrameLayout(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        initialize(context, attrs);
+    }
+
+    public ThemedFrameLayout(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+        initialize(context, attrs);
+    }
+
+    private void initialize(final Context context, final AttributeSet attrs) {
+        // The theme can be null, particularly for webapps: Bug 1089266.  Or we
+        // might be instantiating this View in an IDE, with no ambient GeckoApplication.
+        final Context applicationContext = context.getApplicationContext();
+        if (applicationContext instanceof GeckoApplication) {
+            mTheme = ((GeckoApplication) applicationContext).getLightweightTheme();
+        }
+
+        final TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.LightweightTheme);
+        mAutoUpdateTheme = mTheme != null && a.getBoolean(R.styleable.LightweightTheme_autoUpdateTheme, true);
+        a.recycle();
+    }
+
+    @Override
+    public void onAttachedToWindow() {
+        super.onAttachedToWindow();
+
+        if (mAutoUpdateTheme)
+            mTheme.addListener(this);
+    }
+
+    @Override
+    public void onDetachedFromWindow() {
+        super.onDetachedFromWindow();
+
+        if (mAutoUpdateTheme)
+            mTheme.removeListener(this);
+    }
+
+    @Override
+    public int[] onCreateDrawableState(int extraSpace) {
+        final int[] drawableState = super.onCreateDrawableState(extraSpace + 1);
+
+        if (mIsPrivate)
+            mergeDrawableStates(drawableState, STATE_PRIVATE_MODE);
+        else if (mIsLight)
+            mergeDrawableStates(drawableState, STATE_LIGHT);
+        else if (mIsDark)
+            mergeDrawableStates(drawableState, STATE_DARK);
+
+        return drawableState;
+    }
+
+    @Override
+    public void onLightweightThemeChanged() {
+        if (mAutoUpdateTheme && mTheme.isEnabled())
+            setTheme(mTheme.isLightTheme());
+    }
+
+    @Override
+    public void onLightweightThemeReset() {
+        if (mAutoUpdateTheme)
+            resetTheme();
+    }
+
+    @Override
+    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
+        super.onLayout(changed, left, top, right, bottom);
+        onLightweightThemeChanged();
+    }
+
+    public boolean isPrivateMode() {
+        return mIsPrivate;
+    }
+
+    public void setPrivateMode(boolean isPrivate) {
+        if (mIsPrivate != isPrivate) {
+            mIsPrivate = isPrivate;
+            refreshDrawableState();
+            invalidate();
+        }
+    }
+
+    public void setTheme(boolean isLight) {
+        // Set the theme only if it is different from existing theme.
+        if ((isLight && mIsLight != isLight) ||
+            (!isLight && mIsDark == isLight)) {
+            if (isLight) {
+                mIsLight = true;
+                mIsDark = false;
+            } else {
+                mIsLight = false;
+                mIsDark = true;
+            }
+
+            refreshDrawableState();
+            invalidate();
+        }
+    }
+
+    public void resetTheme() {
+        if (mIsLight || mIsDark) {
+            mIsLight = false;
+            mIsDark = false;
+            refreshDrawableState();
+            invalidate();
+        }
+    }
+
+    public void setAutoUpdateTheme(boolean autoUpdateTheme) {
+        if (mTheme == null) {
+            return;
+        }
+
+        if (mAutoUpdateTheme != autoUpdateTheme) {
+            mAutoUpdateTheme = autoUpdateTheme;
+
+            if (mAutoUpdateTheme)
+                mTheme.addListener(this);
+            else
+                mTheme.removeListener(this);
+        }
+    }
+
+    public ColorDrawable getColorDrawable(int id) {
+        return new ColorDrawable(ColorUtils.getColor(getContext(), id));
+    }
+
+    protected LightweightTheme getTheme() {
+        return mTheme;
+    }
+}

mobile/android/base/widget/generate_themed_views.py

@@ -35,6 +35,9 @@ views = [
     dict(VIEW_NAME_SUFFIX='EditText',
          BASE_TYPE='android.widget.EditText',
          STYLE_CONSTRUCTOR=1),
+    dict(VIEW_NAME_SUFFIX='FrameLayout',
+         BASE_TYPE='android.widget.FrameLayout',
+         STYLE_CONSTRUCTOR=1),
     dict(VIEW_NAME_SUFFIX='ImageButton',
          BASE_TYPE='android.widget.ImageButton',
          STYLE_CONSTRUCTOR=1),