org.chromium.policy.CombinedPolicyProvider Java Examples

private void startChromeBrowserProcessesSync() throws ProcessInitException {
    try {
        TraceEvent.begin("ChromeBrowserInitializer.startChromeBrowserProcessesSync");
        ThreadUtils.assertOnUiThread();
        mApplication.initCommandLine();
        LibraryLoader libraryLoader = LibraryLoader.get(LibraryProcessType.PROCESS_BROWSER);
        StrictMode.ThreadPolicy oldPolicy = StrictMode.allowThreadDiskReads();
        libraryLoader.ensureInitialized(mApplication);
        StrictMode.setThreadPolicy(oldPolicy);
        libraryLoader.asyncPrefetchLibrariesToMemory();
        // The policies are used by browser startup, so we need to register the policy providers
        // before starting the browser process.
        mApplication.registerPolicyProviders(CombinedPolicyProvider.get());
        BrowserStartupController.get(mApplication, LibraryProcessType.PROCESS_BROWSER)
                .startBrowserProcessesSync(false);
        GoogleServicesManager.get(mApplication);
    } finally {
        TraceEvent.end("ChromeBrowserInitializer.startChromeBrowserProcessesSync");
    }
}
 

private void startChromeBrowserProcessesAsync(
        boolean startGpuProcess,
        BrowserStartupController.StartupCallback callback) throws ProcessInitException {
    try {
        TraceEvent.begin("ChromeBrowserInitializer.startChromeBrowserProcessesAsync");
        mApplication.registerPolicyProviders(CombinedPolicyProvider.get());
        BrowserStartupController.get(mApplication, LibraryProcessType.PROCESS_BROWSER)
                .startBrowserProcessesAsync(startGpuProcess, callback);
    } finally {
        TraceEvent.end("ChromeBrowserInitializer.startChromeBrowserProcessesAsync");
    }
}
 

/**
 * Called after onForegroundSessionEnd() indicating that the activity whose onStop() ended the
 * last foreground session was destroyed.
 */
private void onForegroundActivityDestroyed() {
    if (ApplicationStatus.isEveryActivityDestroyed()) {
        mBackgroundProcessing.onDestroy();
        if (mDevToolsServer != null) {
            mDevToolsServer.destroy();
            mDevToolsServer = null;
        }
        stopApplicationActivityTracker();
        PartnerBrowserCustomizations.destroy();
        ShareHelper.clearSharedImages(this);
        CombinedPolicyProvider.get().destroy();
    }
}
 

private void onStartNativeInitialization() {
    ThreadUtils.assertOnUiThread();
    if (mNativeInitializationComplete) return;
    // The policies are used by browser startup, so we need to register the policy providers
    // before starting the browser process.
    mApplication.registerPolicyProviders(CombinedPolicyProvider.get());

    SpeechRecognition.initialize(mApplication);
}
 

private void onStartNativeInitialization() {
    ThreadUtils.assertOnUiThread();
    if (mNativeInitializationComplete) return;
    // The policies are used by browser startup, so we need to register the policy providers
    // before starting the browser process.
    AppHooks.get().registerPolicyProviders(CombinedPolicyProvider.get());

    SpeechRecognition.initialize(mApplication);
}
 

/**
 * Add a listener to be notified upon policy changes.
 */
public void addPolicyChangeListener(PolicyChangeListener listener) {
    CombinedPolicyProvider.get().addPolicyChangeListener(listener);
}
 

/**
 * Remove a listener to be notified upon policy changes.
 */
public void removePolicyChangeListener(PolicyChangeListener listener) {
    CombinedPolicyProvider.get().removePolicyChangeListener(listener);
}
 

@SuppressLint("NewApi")
@Override
public void postInflationStartup() {
    super.postInflationStartup();

    mSnackbarManager = new SnackbarManager(this);
    mDataUseSnackbarController = new DataUseSnackbarController(this, getSnackbarManager());

    mAssistStatusHandler = createAssistStatusHandler();
    if (mAssistStatusHandler != null) {
        if (mTabModelSelector != null) {
            mAssistStatusHandler.setTabModelSelector(mTabModelSelector);
        }
        mAssistStatusHandler.updateAssistState();
    }

    // If a user had ALLOW_LOW_END_DEVICE_UI explicitly set to false then we manually override
    // SysUtils.isLowEndDevice() with a switch so that they continue to see the normal UI. This
    // is only the case for grandfathered-in svelte users. We no longer do so for newer users.
    if (!ChromePreferenceManager.getInstance(this).getAllowLowEndDeviceUi()) {
        CommandLine.getInstance().appendSwitch(
                BaseSwitches.DISABLE_LOW_END_DEVICE_MODE);
    }

    AccessibilityManager manager = (AccessibilityManager)
            getBaseContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
    manager.addAccessibilityStateChangeListener(this);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        mTouchExplorationStateChangeListener = new TouchExplorationStateChangeListener() {
            @Override
            public void onTouchExplorationStateChanged(boolean enabled) {
                checkAccessibility();
            }
        };
        manager.addTouchExplorationStateChangeListener(mTouchExplorationStateChangeListener);
    }

    // Make the activity listen to policy change events
    CombinedPolicyProvider.get().addPolicyChangeListener(this);

    // Set up the animation placeholder to be the SurfaceView. This disables the
    // SurfaceView's 'hole' clipping during animations that are notified to the window.
    mWindowAndroid.setAnimationPlaceholderView(mCompositorViewHolder.getSurfaceView());

    // Inform the WindowAndroid of the keyboard accessory view.
    mWindowAndroid.setKeyboardAccessoryView((ViewGroup) findViewById(R.id.keyboard_accessory));
    initializeToolbar();
    initializeTabModels();
    if (!isFinishing() && getFullscreenManager() != null) {
        getFullscreenManager().initialize(
                (ControlContainer) findViewById(R.id.control_container),
                getTabModelSelector(),
                getControlContainerHeightResource());
    }
}
 

/**
 * This cannot be overridden in order to preserve destruction order.  Override
 * {@link #onDestroyInternal()} instead to perform clean up tasks.
 */
@SuppressLint("NewApi")
@Override
protected final void onDestroy() {
    if (mReaderModeManager != null) {
        mReaderModeManager.destroy();
        mReaderModeManager = null;
    }

    if (mContextualSearchManager != null) {
        mContextualSearchManager.destroy();
        mContextualSearchManager = null;
    }

    if (mTabModelSelectorTabObserver != null) {
        mTabModelSelectorTabObserver.destroy();
        mTabModelSelectorTabObserver = null;
    }

    if (mCompositorViewHolder != null) {
        if (mCompositorViewHolder.getLayoutManager() != null) {
            mCompositorViewHolder.getLayoutManager().removeSceneChangeObserver(this);
        }
        mCompositorViewHolder.shutDown();
        mCompositorViewHolder = null;
    }

    onDestroyInternal();

    if (mToolbarManager != null) {
        mToolbarManager.destroy();
        mToolbarManager = null;
    }

    if (mTabModelsInitialized) {
        TabModelSelector selector = getTabModelSelector();
        if (selector != null) selector.destroy();
    }

    if (mWindowAndroid != null) {
        mWindowAndroid.destroy();
        mWindowAndroid = null;
    }

    CombinedPolicyProvider.get().removePolicyChangeListener(this);

    if (mTabContentManager != null) {
        mTabContentManager.destroy();
        mTabContentManager = null;
    }

    AccessibilityManager manager = (AccessibilityManager)
            getBaseContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
    manager.removeAccessibilityStateChangeListener(this);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        manager.removeTouchExplorationStateChangeListener(mTouchExplorationStateChangeListener);
    }

    if (mBlimpClientContextDelegate != null) {
        mBlimpClientContextDelegate.destroy();
        mBlimpClientContextDelegate = null;
    }

    super.onDestroy();
}
 

public void registerPolicyProviders(CombinedPolicyProvider combinedProvider) {
    combinedProvider.registerProvider(
            new AppRestrictionsProvider(ContextUtils.getApplicationContext()));
}
 

@SuppressLint("NewApi")
@Override
public void postInflationStartup() {
    super.postInflationStartup();

    mSnackbarManager = new SnackbarManager(this, null);
    mDataUseSnackbarController = new DataUseSnackbarController(this, getSnackbarManager());

    mAssistStatusHandler = createAssistStatusHandler();
    if (mAssistStatusHandler != null) {
        if (mTabModelSelector != null) {
            mAssistStatusHandler.setTabModelSelector(mTabModelSelector);
        }
        mAssistStatusHandler.updateAssistState();
    }

    // If a user had ALLOW_LOW_END_DEVICE_UI explicitly set to false then we manually override
    // SysUtils.isLowEndDevice() with a switch so that they continue to see the normal UI. This
    // is only the case for grandfathered-in svelte users. We no longer do so for newer users.
    if (!ChromePreferenceManager.getInstance().getAllowLowEndDeviceUi()) {
        CommandLine.getInstance().appendSwitch(
                BaseSwitches.DISABLE_LOW_END_DEVICE_MODE);
    }

    AccessibilityManager manager = (AccessibilityManager)
            getBaseContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
    manager.addAccessibilityStateChangeListener(this);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        mTouchExplorationStateChangeListener = new TouchExplorationStateChangeListener() {
            @Override
            public void onTouchExplorationStateChanged(boolean enabled) {
                checkAccessibility();
            }
        };
        manager.addTouchExplorationStateChangeListener(mTouchExplorationStateChangeListener);
    }

    // Make the activity listen to policy change events
    CombinedPolicyProvider.get().addPolicyChangeListener(this);
    mDidAddPolicyChangeListener = true;

    // Set up the animation placeholder to be the SurfaceView. This disables the
    // SurfaceView's 'hole' clipping during animations that are notified to the window.
    getWindowAndroid().setAnimationPlaceholderView(mCompositorViewHolder.getCompositorView());

    // Inform the WindowAndroid of the keyboard accessory view.
    getWindowAndroid().setKeyboardAccessoryView(
            (ViewGroup) findViewById(R.id.keyboard_accessory));
    initializeToolbar();
    initializeTabModels();
    if (!isFinishing() && getFullscreenManager() != null) {
        getFullscreenManager().initialize(
                (ControlContainer) findViewById(R.id.control_container),
                getTabModelSelector(),
                getControlContainerHeightResource());
    }

    if (mBottomSheet != null) {
        mBottomSheet.setTabModelSelector(mTabModelSelector);
        mBottomSheet.setFullscreenManager(mFullscreenManager);

        mFadingBackgroundView = (FadingBackgroundView) findViewById(R.id.fading_focus_target);
        mBottomSheet.addObserver(new EmptyBottomSheetObserver() {
            @Override
            public void onTransitionPeekToHalf(float transitionFraction) {
                mFadingBackgroundView.setViewAlpha(transitionFraction);
            }
        });
        mFadingBackgroundView.addObserver(mBottomSheet);

        mBottomSheetContentController =
                (BottomSheetContentController) ((ViewStub) findViewById(R.id.bottom_nav_stub))
                        .inflate();
        int controlContainerHeight =
                ((ControlContainer) findViewById(R.id.control_container)).getView().getHeight();
        mBottomSheetContentController.init(
                mBottomSheet, controlContainerHeight, mTabModelSelector, this);
    }
    ((BottomContainer) findViewById(R.id.bottom_container)).initialize(mFullscreenManager);
}
 

/**
 * This cannot be overridden in order to preserve destruction order.  Override
 * {@link #onDestroyInternal()} instead to perform clean up tasks.
 */
@SuppressLint("NewApi")
@Override
protected final void onDestroy() {
    if (mReaderModeManager != null) {
        mReaderModeManager.destroy();
        mReaderModeManager = null;
    }

    if (mContextualSearchManager != null) {
        mContextualSearchManager.destroy();
        mContextualSearchManager = null;
    }

    if (mTabModelSelectorTabObserver != null) {
        mTabModelSelectorTabObserver.destroy();
        mTabModelSelectorTabObserver = null;
    }

    if (mCompositorViewHolder != null) {
        if (mCompositorViewHolder.getLayoutManager() != null) {
            mCompositorViewHolder.getLayoutManager().removeSceneChangeObserver(this);
        }
        mCompositorViewHolder.shutDown();
        mCompositorViewHolder = null;
    }

    onDestroyInternal();

    if (mToolbarManager != null) {
        mToolbarManager.destroy();
        mToolbarManager = null;
    }

    if (mTabModelsInitialized) {
        TabModelSelector selector = getTabModelSelector();
        if (selector != null) selector.destroy();
    }

    if (mDidAddPolicyChangeListener) {
        CombinedPolicyProvider.get().removePolicyChangeListener(this);
        mDidAddPolicyChangeListener = false;
    }

    if (mTabContentManager != null) {
        mTabContentManager.destroy();
        mTabContentManager = null;
    }

    AccessibilityManager manager = (AccessibilityManager)
            getBaseContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
    manager.removeAccessibilityStateChangeListener(this);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        manager.removeTouchExplorationStateChangeListener(mTouchExplorationStateChangeListener);
    }

    super.onDestroy();
}
 

/**
 * Registers various policy providers with the policy manager.
 * Providers are registered in increasing order of precedence so overrides should call this
 * method in the end for this method to maintain the highest precedence.
 * @param combinedProvider The {@link CombinedPolicyProvider} to register the providers with.
 */
public void registerPolicyProviders(CombinedPolicyProvider combinedProvider) {
    combinedProvider.registerProvider(new AppRestrictionsProvider(getApplicationContext()));
}
 

/**
 * Registers various policy providers with the policy manager.
 * Providers are registered in increasing order of precedence so overrides should call this
 * method in the end for this method to maintain the highest precedence.
 * @param combinedProvider The {@link CombinedPolicyProvider} to register the providers with.
 */
public void registerPolicyProviders(CombinedPolicyProvider combinedProvider) {
    combinedProvider.registerProvider(new AppRestrictionsProvider(getApplicationContext()));
}