Bug 1529119 - Expose msaa-level, double_tap_zooming, autozoom. r=snorp

FxR uses these prefs and they might be helpful to other embedders so we can
just add them to GeckoRuntimeSettings.

Differential Revision: https://phabricator.services.mozilla.com/D28232

--HG--
extra : moz-landing-system : lando

mobile/android/geckoview/api.txt

@@ -306,9 +306,12 @@ package org.mozilla.geckoview {
     method @Nullable public Class<?> getCrashHandler();
     method @Nullable public Float getDisplayDensityOverride();
     method @Nullable public Integer getDisplayDpiOverride();
+    method public boolean getDoubleTapZoomingEnabled();
     method @NonNull public Bundle getExtras();
     method public boolean getFontInflationEnabled();
     method public float getFontSizeFactor();
+    method public int getGlMsaaLevel();
+    method public boolean getInputAutoZoomEnabled();
     method public boolean getJavaScriptEnabled();
     method @Nullable public String[] getLocales();
     method public boolean getPauseForDebuggerEnabled();
@@ -322,8 +325,11 @@ package org.mozilla.geckoview {
     method @NonNull public GeckoRuntimeSettings setAutomaticFontSizeAdjustment(boolean);
     method @NonNull public GeckoRuntimeSettings setAutoplayDefault(int);
     method @NonNull public GeckoRuntimeSettings setConsoleOutputEnabled(boolean);
+    method @NonNull public GeckoRuntimeSettings setDoubleTapZoomingEnabled(boolean);
     method @NonNull public GeckoRuntimeSettings setFontInflationEnabled(boolean);
     method @NonNull public GeckoRuntimeSettings setFontSizeFactor(float);
+    method @NonNull public GeckoRuntimeSettings setGlMsaaLevel(int);
+    method @NonNull public GeckoRuntimeSettings setInputAutoZoomEnabled(boolean);
     method @NonNull public GeckoRuntimeSettings setJavaScriptEnabled(boolean);
     method public void setLocales(@Nullable String[]);
     method @NonNull public GeckoRuntimeSettings setPreferredColorScheme(int);
@@ -348,9 +354,12 @@ package org.mozilla.geckoview {
     method @NonNull public GeckoRuntimeSettings.Builder crashHandler(@Nullable Class<?>);
     method @NonNull public GeckoRuntimeSettings.Builder displayDensityOverride(float);
     method @NonNull public GeckoRuntimeSettings.Builder displayDpiOverride(int);
+    method @NonNull public GeckoRuntimeSettings.Builder doubleTapZoomingEnabled(boolean);
     method @NonNull public GeckoRuntimeSettings.Builder extras(@NonNull Bundle);
     method @NonNull public GeckoRuntimeSettings.Builder fontInflation(boolean);
     method @NonNull public GeckoRuntimeSettings.Builder fontSizeFactor(float);
+    method @NonNull public GeckoRuntimeSettings.Builder glMsaaLevel(int);
+    method @NonNull public GeckoRuntimeSettings.Builder inputAutoZoomEnabled(boolean);
     method @NonNull public GeckoRuntimeSettings.Builder javaScriptEnabled(boolean);
     method @NonNull public GeckoRuntimeSettings.Builder locales(@Nullable String[]);
     method @NonNull public GeckoRuntimeSettings.Builder pauseForDebugger(boolean);

mobile/android/geckoview/src/main/java/org/mozilla/geckoview/GeckoRuntimeSettings.java

@@ -337,6 +337,39 @@ public final class GeckoRuntimeSettings extends RuntimeSettings {
             getSettings().mPreferredColorScheme.set(scheme);
             return this;
         }
+
+        /**
+         * Set whether auto-zoom to editable fields should be enabled.
+         *
+         * @param flag True if auto-zoom should be enabled, false otherwise.
+         * @return This Builder instance.
+         */
+        public @NonNull Builder inputAutoZoomEnabled(final boolean flag) {
+            getSettings().mInputAutoZoom.set(flag);
+            return this;
+        }
+
+        /**
+         * Set whether double tap zooming should be enabled.
+         *
+         * @param flag True if double tap zooming should be enabled, false otherwise.
+         * @return This Builder instance.
+         */
+        public @NonNull Builder doubleTapZoomingEnabled(final boolean flag) {
+            getSettings().mDoubleTapZooming.set(flag);
+            return this;
+        }
+
+        /**
+         * Sets the WebGL MSAA level.
+         *
+         * @param level number of MSAA samples, 0 if MSAA should be disabled.
+         * @return This GeckoRuntimeSettings instance.
+         */
+        public @NonNull Builder glMsaaLevel(final int level) {
+            getSettings().mGlMsaaLevel.set(level);
+            return this;
+        }
     }
 
     private GeckoRuntime mRuntime;
@@ -367,6 +400,12 @@ public final class GeckoRuntimeSettings extends RuntimeSettings {
         "font.size.inflation.minTwips", 0);
     /* package */ final Pref<Integer> mPreferredColorScheme = new Pref<>(
         "ui.systemUsesDarkTheme", -1);
+    /* package */ final Pref<Boolean> mInputAutoZoom = new Pref<>(
+            "formhelper.autozoom", true);
+    /* package */ final Pref<Boolean> mDoubleTapZooming = new Pref<>(
+            "apz.allow_double_tap_zooming", true);
+    /* package */ final Pref<Integer> mGlMsaaLevel = new Pref<>(
+            "gl.msaa-level", 0);
 
     /* package */ boolean mDebugPause;
     /* package */ boolean mUseMaxScreenDepth;
@@ -834,6 +873,66 @@ public final class GeckoRuntimeSettings extends RuntimeSettings {
         return this;
     }
 
+    /**
+     * Gets whether auto-zoom to editable fields is enabled.
+     *
+     * @return True if auto-zoom is enabled, false otherwise.
+     */
+    public boolean getInputAutoZoomEnabled() {
+        return mInputAutoZoom.get();
+    }
+
+    /**
+     * Set whether auto-zoom to editable fields should be enabled.
+     *
+     * @param flag True if auto-zoom should be enabled, false otherwise.
+     * @return This GeckoRuntimeSettings instance.
+     */
+    public @NonNull GeckoRuntimeSettings setInputAutoZoomEnabled(final boolean flag) {
+        mInputAutoZoom.commit(flag);
+        return this;
+    }
+
+    /**
+     * Gets whether double-tap zooming is enabled.
+     *
+     * @return True if double-tap zooming is enabled, false otherwise.
+     */
+    public boolean getDoubleTapZoomingEnabled() {
+        return mDoubleTapZooming.get();
+    }
+
+    /**
+     * Sets whether double tap zooming is enabled.
+     *
+     * @param flag true if double tap zooming should be enabled, false otherwise.
+     * @return This GeckoRuntimeSettings instance.
+     */
+    public @NonNull GeckoRuntimeSettings setDoubleTapZoomingEnabled(final boolean flag) {
+        mDoubleTapZooming.commit(flag);
+        return this;
+    }
+
+    /**
+     * Gets the current WebGL MSAA level.
+     *
+     * @return number of MSAA samples, 0 if MSAA is disabled.
+     */
+    public int getGlMsaaLevel() {
+        return mGlMsaaLevel.get();
+    }
+
+    /**
+     * Sets the WebGL MSAA level.
+     *
+     * @param level number of MSAA samples, 0 if MSAA should be disabled.
+     * @return This GeckoRuntimeSettings instance.
+     */
+    public @NonNull GeckoRuntimeSettings setGlMsaaLevel(final int level) {
+        mGlMsaaLevel.commit(level);
+        return this;
+    }
+
     @Override // Parcelable
     public void writeToParcel(final Parcel out, final int flags) {
         super.writeToParcel(out, flags);

mobile/android/geckoview/src/main/java/org/mozilla/geckoview/doc-files/CHANGELOG.md

@@ -90,6 +90,14 @@ exclude: true
 [68.18]: ./WebExtension.html#setMessageDelegate-org.mozilla.geckoview.WebExtension.MessageDelegate-java.lang.String-
 [68.19]: ./WebExtension.Port.html
 
+- Expose the following prefs in [`GeckoRuntimeSettings`][67.3]:
+  [`setAutoZoomEnabled`][68.20], [`setDoubleTapZoomingEnabled`][68.21],
+  [`setGlMsaaLevel`][68.22].
+
+[68.20]: ./GeckoRuntimeSettings.html#setAutoZoomEnabled-boolean-
+[68.21]: ./GeckoRuntimeSettings.html#setDoubleTapZoomingEnabled-boolean-
+[68.22]: ./GeckoRuntimeSettings.html#setGlMsaaLevel-int-
+
 ## v67
 - Added [`setAutomaticFontSizeAdjustment`][67.2] to
   [`GeckoRuntimeSettings`][67.3] for automatically adjusting font size settings
@@ -296,4 +304,4 @@ exclude: true
 [65.24]: ../CrashReporter.html#sendCrashReport-android.content.Context-android.os.Bundle-java.lang.String-
 [65.25]: ../GeckoResult.html
 
-[api-version]: 2186cb94bf0e2282ec4dca649f09ecdff0ecf05b
+[api-version]: 3b910c2e6b3df9bd9926cf4e54b37a5a08bdb64a