Add long press reload that bypasses cache (#2922)

* Add long press reload that bypasses cache

* Prevent extra click after long press on Android O and greater

* Revert "Prevent extra click after long press on Android O and greater"

This reverts commit 243217e.

* Check if the uibutton has a long click listener before applying the fix

Co-authored-by: Manuel Martin <imanol.martin@gmail.com>

Author: bluemarvin

app/src/common/shared/org/mozilla/vrbrowser/browser/SettingsStore.java

@@ -82,6 +82,7 @@ SettingsStore getInstance(final @NonNull Context aContext) {
     public final static boolean WHATS_NEW_DISPLAYED = false;
     public final static long FXA_LAST_SYNC_NEVER = 0;
     public final static boolean RESTORE_TABS_ENABLED = true;
+    public final static boolean BYPASS_CACHE_ON_RELOAD = false;
 
     // Enable telemetry by default (opt-out).
     public final static boolean CRASH_REPORTING_DEFAULT = false;
@@ -652,5 +653,14 @@ public boolean isRestoreTabsEnabled() {
         return mPrefs.getBoolean(mContext.getString(R.string.settings_key_restore_tabs), RESTORE_TABS_ENABLED);
     }
 
+    public void setBypassCacheOnReload(boolean isEnabled) {
+        SharedPreferences.Editor editor = mPrefs.edit();
+        editor.putBoolean(mContext.getString(R.string.settings_key_bypass_cache_on_reload),isEnabled);
+        editor.commit();
+    }
+
+    public boolean isBypassCacheOnReloadEnabled() {
+        return mPrefs.getBoolean(mContext.getString(R.string.settings_key_bypass_cache_on_reload), BYPASS_CACHE_ON_RELOAD);
+    }
 }
 

app/src/common/shared/org/mozilla/vrbrowser/browser/engine/Session.java

@@ -669,9 +669,9 @@ public void setActive(boolean aActive) {
         }
     }
 
-    public void reload() {
+    public void reload(final int flags) {
         if (mState.mSession != null) {
-            mState.mSession.reload();
+            mState.mSession.reload(flags);
         }
     }
 

app/src/common/shared/org/mozilla/vrbrowser/ui/views/UIButton.java

@@ -90,7 +90,7 @@ public UIButton(Context context, AttributeSet attrs, int defStyleAttr) {
             setOnTouchListener((v, event) -> {
                 if (event.getAction() == MotionEvent.ACTION_UP) {
                     long time = event.getEventTime() - event.getDownTime();
-                    if (time > ViewConfiguration.getLongPressTimeout()) {
+                    if (!v.isLongClickable() && time > ViewConfiguration.getLongPressTimeout()) {
                         performClick();
                     }
                 }

app/src/common/shared/org/mozilla/vrbrowser/ui/widgets/NavigationBarWidget.java

@@ -187,14 +187,29 @@ private void updateUI() {
             if (mViewModel.getIsLoading().getValue().get()) {
                 getSession().stop();
             } else {
-                getSession().reload();
+                int flags = SettingsStore.getInstance(mAppContext).isBypassCacheOnReloadEnabled() ? GeckoSession.LOAD_FLAGS_BYPASS_CACHE : GeckoSession.LOAD_FLAGS_NONE;
+                getSession().reload(flags);
             }
             if (mAudio != null) {
                 mAudio.playSound(AudioEngine.Sound.CLICK);
             }
             mNavigationListeners.forEach(NavigationListener::onReload);
         });
 
+        mBinding.navigationBarNavigation.reloadButton.setOnLongClickListener(v -> {
+            v.requestFocusFromTouch();
+            if (mViewModel.getIsLoading().getValue().get()) {
+                getSession().stop();
+            } else {
+                getSession().reload(GeckoSession.LOAD_FLAGS_BYPASS_CACHE);
+            }
+            if (mAudio != null) {
+                mAudio.playSound(AudioEngine.Sound.CLICK);
+            }
+            mNavigationListeners.forEach(NavigationListener::onReload);
+            return true;
+        });
+
         mBinding.navigationBarNavigation.homeButton.setOnClickListener(v -> {
             v.requestFocusFromTouch();
             getSession().loadUri(getSession().getHomeUri());

app/src/common/shared/org/mozilla/vrbrowser/ui/widgets/settings/DeveloperOptionsView.java

@@ -66,6 +66,9 @@ protected void updateUI() {
         mBinding.hardwareAccelerationSwitch.setOnCheckedChangeListener(mUIHardwareAccelerationListener);
         setUIHardwareAcceleration(SettingsStore.getInstance(getContext()).isUIHardwareAccelerationEnabled(), false);
 
+        mBinding.bypassCacheOnReloadSwitch.setOnCheckedChangeListener(mBypassCacheOnReloadListener);
+        setBypassCacheOnReload(SettingsStore.getInstance(getContext()).isBypassCacheOnReloadEnabled(), false);
+
         if (BuildConfig.DEBUG) {
             mBinding.debugLoggingSwitch.setVisibility(View.GONE);
         } else {
@@ -101,6 +104,10 @@ protected void updateUI() {
         setUIHardwareAcceleration(value, doApply);
     };
 
+    private SwitchSetting.OnCheckedChangeListener mBypassCacheOnReloadListener = (compundButton, value, doApply) -> {
+        setBypassCacheOnReload(value, doApply);
+    };
+
     private SwitchSetting.OnCheckedChangeListener mServoListener = (compoundButton, b, doApply) -> {
         setServo(b, true);
     };
@@ -133,6 +140,10 @@ protected void updateUI() {
             restart = true;
         }
 
+        if (mBinding.bypassCacheOnReloadSwitch.isChecked() != SettingsStore.BYPASS_CACHE_ON_RELOAD) {
+            setBypassCacheOnReload(SettingsStore.BYPASS_CACHE_ON_RELOAD, true);
+        }
+
         if (restart) {
             showRestartDialog();
         }
@@ -194,6 +205,16 @@ private void setDebugLogging(boolean value, boolean doApply) {
         }
     }
 
+    private void setBypassCacheOnReload(boolean value, boolean doApply) {
+        mBinding.bypassCacheOnReloadSwitch.setOnCheckedChangeListener(null);
+        mBinding.bypassCacheOnReloadSwitch.setValue(value, false);
+        mBinding.bypassCacheOnReloadSwitch.setOnCheckedChangeListener(mBypassCacheOnReloadListener);
+
+        if (doApply) {
+            SettingsStore.getInstance(getContext()).setBypassCacheOnReload(value);
+        }
+    }
+
     private void setServo(boolean value, boolean doApply) {
         mBinding.servoSwitch.setOnCheckedChangeListener(null);
         mBinding.servoSwitch.setValue(value, false);

app/src/main/res/layout/options_developer.xml

@@ -67,6 +67,12 @@
                     android:layout_height="wrap_content"
                     app:description="@string/hardware_acceleration_switch" />
 
+                <org.mozilla.vrbrowser.ui.views.settings.SwitchSetting
+                    android:id="@+id/bypass_cache_on_reload_switch"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    app:description="@string/bypass_cache_on_reload_switch" />
+
                 <org.mozilla.vrbrowser.ui.views.settings.SwitchSetting
                     android:id="@+id/servo_switch"
                     android:layout_width="match_parent"

app/src/main/res/values/non_L10n.xml

@@ -49,6 +49,7 @@
     <string name="settings_key_ui_hardware_acceleration" translatable="false">settings_key_ui_hardware_acceleration_v3</string>
     <string name="settings_key_fxa_last_sync" translatable="false">settings_key_fxa_last_sync</string>
     <string name="settings_key_restore_tabs" translatable="false">settings_key_restore_tabs</string>
+    <string name="settings_key_bypass_cache_on_reload" translatable="false">settings_key_bypass_cache_on_reload</string>
     <string name="environment_override_help_url" translatable="false">https://github.com/MozillaReality/FirefoxReality/wiki/Environments</string>
     <string name="private_policy_url" translatable="false">https://www.mozilla.org/privacy/firefox/</string>
     <string name="private_report_url" translatable="false">https://mixedreality.mozilla.org/fxr/report?src=browser-fxr&amp;label=browser-firefox-reality&amp;url=%1$s</string>

app/src/main/res/values/strings.xml

@@ -344,9 +344,16 @@
     <!-- This string labels an On/Off switch in the developer options dialog and is used to toggle
      UI render mode. If enables it uses hardware acceleration which should be faster but it may be more unstable.
      If disabled it uses software rendering which is stable but not as performant as hardware acceleration
--->
+    -->
     <string name="hardware_acceleration_switch">Enable UI Hardware Acceleration</string>
 
+    <!-- This string labels an On/Off switch in the developer options dialog and is used to toggle
+         the behavior of the navigation bar reload button. When enabled, the reloads will bypass
+         the browser cache. This feature is used by web developers when they want to always view
+         the most recent version of a web site.
+    -->
+    <string name="bypass_cache_on_reload_switch">Enable Cache Bypass On Reload</string>
+
     <!-- The string labels an On/Off switch in the developer options dialog and is used to toggle enabling Servo. -->
     <string name="developer_options_servo">Enable Servo</string>