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Diffstat (limited to 'src/com/actionbarsherlock/ActionBarSherlock.java')
| -rwxr-xr-x | src/com/actionbarsherlock/ActionBarSherlock.java | 794 |
1 files changed, 794 insertions, 0 deletions
diff --git a/src/com/actionbarsherlock/ActionBarSherlock.java b/src/com/actionbarsherlock/ActionBarSherlock.java new file mode 100755 index 0000000..ab160f8 --- /dev/null +++ b/src/com/actionbarsherlock/ActionBarSherlock.java @@ -0,0 +1,794 @@ +package com.actionbarsherlock;
+
+import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.util.HashMap;
+import java.util.Iterator;
+import android.app.Activity;
+import android.content.Context;
+import android.content.res.Configuration;
+import android.os.Build;
+import android.os.Bundle;
+import android.util.DisplayMetrics;
+import android.util.Log;
+import android.view.KeyEvent;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.Window;
+import com.actionbarsherlock.app.ActionBar;
+import com.actionbarsherlock.internal.ActionBarSherlockCompat;
+import com.actionbarsherlock.internal.ActionBarSherlockNative;
+import com.actionbarsherlock.view.ActionMode;
+import com.actionbarsherlock.view.Menu;
+import com.actionbarsherlock.view.MenuInflater;
+import com.actionbarsherlock.view.MenuItem;
+
+/**
+ * <p>Helper for implementing the action bar design pattern across all versions
+ * of Android.</p>
+ *
+ * <p>This class will manage interaction with a custom action bar based on the
+ * Android 4.0 source code. The exposed API mirrors that of its native
+ * counterpart and you should refer to its documentation for instruction.</p>
+ *
+ * @author Jake Wharton <jakewharton@gmail.com>
+ */
+public abstract class ActionBarSherlock {
+ protected static final String TAG = "ActionBarSherlock";
+ protected static final boolean DEBUG = false;
+
+ private static final Class<?>[] CONSTRUCTOR_ARGS = new Class[] { Activity.class, int.class };
+ private static final HashMap<Implementation, Class<? extends ActionBarSherlock>> IMPLEMENTATIONS =
+ new HashMap<Implementation, Class<? extends ActionBarSherlock>>();
+
+ static {
+ //Register our two built-in implementations
+ registerImplementation(ActionBarSherlockCompat.class);
+ registerImplementation(ActionBarSherlockNative.class);
+ }
+
+
+ /**
+ * <p>Denotes an implementation of ActionBarSherlock which provides an
+ * action bar-enhanced experience.</p>
+ */
+ @Target(ElementType.TYPE)
+ @Retention(RetentionPolicy.RUNTIME)
+ public @interface Implementation {
+ static final int DEFAULT_API = -1;
+ static final int DEFAULT_DPI = -1;
+
+ int api() default DEFAULT_API;
+ int dpi() default DEFAULT_DPI;
+ }
+
+
+ /** Activity interface for menu creation callback. */
+ public interface OnCreatePanelMenuListener {
+ public boolean onCreatePanelMenu(int featureId, Menu menu);
+ }
+ /** Activity interface for menu creation callback. */
+ public interface OnCreateOptionsMenuListener {
+ public boolean onCreateOptionsMenu(Menu menu);
+ }
+ /** Activity interface for menu item selection callback. */
+ public interface OnMenuItemSelectedListener {
+ public boolean onMenuItemSelected(int featureId, MenuItem item);
+ }
+ /** Activity interface for menu item selection callback. */
+ public interface OnOptionsItemSelectedListener {
+ public boolean onOptionsItemSelected(MenuItem item);
+ }
+ /** Activity interface for menu preparation callback. */
+ public interface OnPreparePanelListener {
+ public boolean onPreparePanel(int featureId, View view, Menu menu);
+ }
+ /** Activity interface for menu preparation callback. */
+ public interface OnPrepareOptionsMenuListener {
+ public boolean onPrepareOptionsMenu(Menu menu);
+ }
+ /** Activity interface for action mode finished callback. */
+ public interface OnActionModeFinishedListener {
+ public void onActionModeFinished(ActionMode mode);
+ }
+ /** Activity interface for action mode started callback. */
+ public interface OnActionModeStartedListener {
+ public void onActionModeStarted(ActionMode mode);
+ }
+
+
+ /**
+ * If set, the logic in these classes will assume that an {@link Activity}
+ * is dispatching all of the required events to the class. This flag should
+ * only be used internally or if you are creating your own base activity
+ * modeled after one of the included types (e.g., {@code SherlockActivity}).
+ */
+ public static final int FLAG_DELEGATE = 1;
+
+
+ /**
+ * Register an ActionBarSherlock implementation.
+ *
+ * @param implementationClass Target implementation class which extends
+ * {@link ActionBarSherlock}. This class must also be annotated with
+ * {@link Implementation}.
+ */
+ public static void registerImplementation(Class<? extends ActionBarSherlock> implementationClass) {
+ if (!implementationClass.isAnnotationPresent(Implementation.class)) {
+ throw new IllegalArgumentException("Class " + implementationClass.getSimpleName() + " is not annotated with @Implementation");
+ } else if (IMPLEMENTATIONS.containsValue(implementationClass)) {
+ if (DEBUG) Log.w(TAG, "Class " + implementationClass.getSimpleName() + " already registered");
+ return;
+ }
+
+ Implementation impl = implementationClass.getAnnotation(Implementation.class);
+ if (DEBUG) Log.i(TAG, "Registering " + implementationClass.getSimpleName() + " with qualifier " + impl);
+ IMPLEMENTATIONS.put(impl, implementationClass);
+ }
+
+ /**
+ * Unregister an ActionBarSherlock implementation. <strong>This should be
+ * considered very volatile and you should only use it if you know what
+ * you are doing.</strong> You have been warned.
+ *
+ * @param implementationClass Target implementation class.
+ * @return Boolean indicating whether the class was removed.
+ */
+ public static boolean unregisterImplementation(Class<? extends ActionBarSherlock> implementationClass) {
+ return IMPLEMENTATIONS.values().remove(implementationClass);
+ }
+
+ /**
+ * Wrap an activity with an action bar abstraction which will enable the
+ * use of a custom implementation on platforms where a native version does
+ * not exist.
+ *
+ * @param activity Activity to wrap.
+ * @return Instance to interact with the action bar.
+ */
+ public static ActionBarSherlock wrap(Activity activity) {
+ return wrap(activity, 0);
+ }
+
+ /**
+ * Wrap an activity with an action bar abstraction which will enable the
+ * use of a custom implementation on platforms where a native version does
+ * not exist.
+ *
+ * @param activity Owning activity.
+ * @param flags Option flags to control behavior.
+ * @return Instance to interact with the action bar.
+ */
+ public static ActionBarSherlock wrap(Activity activity, int flags) {
+ //Create a local implementation map we can modify
+ HashMap<Implementation, Class<? extends ActionBarSherlock>> impls =
+ new HashMap<Implementation, Class<? extends ActionBarSherlock>>(IMPLEMENTATIONS);
+ boolean hasQualfier;
+
+ /* DPI FILTERING */
+ hasQualfier = false;
+ for (Implementation key : impls.keySet()) {
+ //Only honor TVDPI as a specific qualifier
+ if (key.dpi() == DisplayMetrics.DENSITY_TV) {
+ hasQualfier = true;
+ break;
+ }
+ }
+ if (hasQualfier) {
+ final boolean isTvDpi = activity.getResources().getDisplayMetrics().densityDpi == DisplayMetrics.DENSITY_TV;
+ for (Iterator<Implementation> keys = impls.keySet().iterator(); keys.hasNext(); ) {
+ int keyDpi = keys.next().dpi();
+ if ((isTvDpi && keyDpi != DisplayMetrics.DENSITY_TV)
+ || (!isTvDpi && keyDpi == DisplayMetrics.DENSITY_TV)) {
+ keys.remove();
+ }
+ }
+ }
+
+ /* API FILTERING */
+ hasQualfier = false;
+ for (Implementation key : impls.keySet()) {
+ if (key.api() != Implementation.DEFAULT_API) {
+ hasQualfier = true;
+ break;
+ }
+ }
+ if (hasQualfier) {
+ final int runtimeApi = Build.VERSION.SDK_INT;
+ int bestApi = 0;
+ for (Iterator<Implementation> keys = impls.keySet().iterator(); keys.hasNext(); ) {
+ int keyApi = keys.next().api();
+ if (keyApi > runtimeApi) {
+ keys.remove();
+ } else if (keyApi > bestApi) {
+ bestApi = keyApi;
+ }
+ }
+ for (Iterator<Implementation> keys = impls.keySet().iterator(); keys.hasNext(); ) {
+ if (keys.next().api() != bestApi) {
+ keys.remove();
+ }
+ }
+ }
+
+ if (impls.size() > 1) {
+ throw new IllegalStateException("More than one implementation matches configuration.");
+ }
+ if (impls.isEmpty()) {
+ throw new IllegalStateException("No implementations match configuration.");
+ }
+ Class<? extends ActionBarSherlock> impl = impls.values().iterator().next();
+ if (DEBUG) Log.i(TAG, "Using implementation: " + impl.getSimpleName());
+
+ try {
+ Constructor<? extends ActionBarSherlock> ctor = impl.getConstructor(CONSTRUCTOR_ARGS);
+ return ctor.newInstance(activity, flags);
+ } catch (NoSuchMethodException e) {
+ throw new RuntimeException(e);
+ } catch (IllegalArgumentException e) {
+ throw new RuntimeException(e);
+ } catch (InstantiationException e) {
+ throw new RuntimeException(e);
+ } catch (IllegalAccessException e) {
+ throw new RuntimeException(e);
+ } catch (InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+
+ /** Activity which is displaying the action bar. Also used for context. */
+ protected final Activity mActivity;
+ /** Whether delegating actions for the activity or managing ourselves. */
+ protected final boolean mIsDelegate;
+
+ /** Reference to our custom menu inflater which supports action items. */
+ protected MenuInflater mMenuInflater;
+
+
+
+ protected ActionBarSherlock(Activity activity, int flags) {
+ if (DEBUG) Log.d(TAG, "[<ctor>] activity: " + activity + ", flags: " + flags);
+
+ mActivity = activity;
+ mIsDelegate = (flags & FLAG_DELEGATE) != 0;
+ }
+
+
+ /**
+ * Get the current action bar instance.
+ *
+ * @return Action bar instance.
+ */
+ public abstract ActionBar getActionBar();
+
+
+ ///////////////////////////////////////////////////////////////////////////
+ // Lifecycle and interaction callbacks when delegating
+ ///////////////////////////////////////////////////////////////////////////
+
+ /**
+ * Notify action bar of a configuration change event. Should be dispatched
+ * after the call to the superclass implementation.
+ *
+ * <blockquote><pre>
+ * @Override
+ * public void onConfigurationChanged(Configuration newConfig) {
+ * super.onConfigurationChanged(newConfig);
+ * mSherlock.dispatchConfigurationChanged(newConfig);
+ * }
+ * </pre></blockquote>
+ *
+ * @param newConfig The new device configuration.
+ */
+ public void dispatchConfigurationChanged(Configuration newConfig) {}
+
+ /**
+ * Notify the action bar that the activity has finished its resuming. This
+ * should be dispatched after the call to the superclass implementation.
+ *
+ * <blockquote><pre>
+ * @Override
+ * protected void onPostResume() {
+ * super.onPostResume();
+ * mSherlock.dispatchPostResume();
+ * }
+ * </pre></blockquote>
+ */
+ public void dispatchPostResume() {}
+
+ /**
+ * Notify the action bar that the activity is pausing. This should be
+ * dispatched before the call to the superclass implementation.
+ *
+ * <blockquote><pre>
+ * @Override
+ * protected void onPause() {
+ * mSherlock.dispatchPause();
+ * super.onPause();
+ * }
+ * </pre></blockquote>
+ */
+ public void dispatchPause() {}
+
+ /**
+ * Notify the action bar that the activity is stopping. This should be
+ * called before the superclass implementation.
+ *
+ * <blockquote><p>
+ * @Override
+ * protected void onStop() {
+ * mSherlock.dispatchStop();
+ * super.onStop();
+ * }
+ * </p></blockquote>
+ */
+ public void dispatchStop() {}
+
+ /**
+ * Indicate that the menu should be recreated by calling
+ * {@link OnCreateOptionsMenuListener#onCreateOptionsMenu(com.actionbarsherlock.view.Menu)}.
+ */
+ public abstract void dispatchInvalidateOptionsMenu();
+
+ /**
+ * Notify the action bar that it should display its overflow menu if it is
+ * appropriate for the device. The implementation should conditionally
+ * call the superclass method only if this method returns {@code false}.
+ *
+ * <blockquote><p>
+ * @Override
+ * public void openOptionsMenu() {
+ * if (!mSherlock.dispatchOpenOptionsMenu()) {
+ * super.openOptionsMenu();
+ * }
+ * }
+ * </p></blockquote>
+ *
+ * @return {@code true} if the opening of the menu was handled internally.
+ */
+ public boolean dispatchOpenOptionsMenu() {
+ return false;
+ }
+
+ /**
+ * Notify the action bar that it should close its overflow menu if it is
+ * appropriate for the device. This implementation should conditionally
+ * call the superclass method only if this method returns {@code false}.
+ *
+ * <blockquote><pre>
+ * @Override
+ * public void closeOptionsMenu() {
+ * if (!mSherlock.dispatchCloseOptionsMenu()) {
+ * super.closeOptionsMenu();
+ * }
+ * }
+ * </pre></blockquote>
+ *
+ * @return {@code true} if the closing of the menu was handled internally.
+ */
+ public boolean dispatchCloseOptionsMenu() {
+ return false;
+ }
+
+ /**
+ * Notify the class that the activity has finished its creation. This
+ * should be called after the superclass implementation.
+ *
+ * <blockquote><pre>
+ * @Override
+ * protected void onPostCreate(Bundle savedInstanceState) {
+ * mSherlock.dispatchPostCreate(savedInstanceState);
+ * super.onPostCreate(savedInstanceState);
+ * }
+ * </pre></blockquote>
+ *
+ * @param savedInstanceState If the activity is being re-initialized after
+ * previously being shut down then this Bundle
+ * contains the data it most recently supplied in
+ * {@link Activity#}onSaveInstanceState(Bundle)}.
+ * <strong>Note: Otherwise it is null.</strong>
+ */
+ public void dispatchPostCreate(Bundle savedInstanceState) {}
+
+ /**
+ * Notify the action bar that the title has changed and the action bar
+ * should be updated to reflect the change. This should be called before
+ * the superclass implementation.
+ *
+ * <blockquote><pre>
+ * @Override
+ * protected void onTitleChanged(CharSequence title, int color) {
+ * mSherlock.dispatchTitleChanged(title, color);
+ * super.onTitleChanged(title, color);
+ * }
+ * </pre></blockquote>
+ *
+ * @param title New activity title.
+ * @param color New activity color.
+ */
+ public void dispatchTitleChanged(CharSequence title, int color) {}
+
+ /**
+ * Notify the action bar the user has created a key event. This is used to
+ * toggle the display of the overflow action item with the menu key and to
+ * close the action mode or expanded action item with the back key.
+ *
+ * <blockquote><pre>
+ * @Override
+ * public boolean dispatchKeyEvent(KeyEvent event) {
+ * if (mSherlock.dispatchKeyEvent(event)) {
+ * return true;
+ * }
+ * return super.dispatchKeyEvent(event);
+ * }
+ * </pre></blockquote>
+ *
+ * @param event Description of the key event.
+ * @return {@code true} if the event was handled.
+ */
+ public boolean dispatchKeyEvent(KeyEvent event) {
+ return false;
+ }
+
+ /**
+ * Notify the action bar that the Activity has triggered a menu creation
+ * which should happen on the conclusion of {@link Activity#onCreate}. This
+ * will be used to gain a reference to the native menu for native and
+ * overflow binding as well as to indicate when compatibility create should
+ * occur for the first time.
+ *
+ * @param menu Activity native menu.
+ * @return {@code true} since we always want to say that we have a native
+ */
+ public abstract boolean dispatchCreateOptionsMenu(android.view.Menu menu);
+
+ /**
+ * Notify the action bar that the Activity has triggered a menu preparation
+ * which usually means that the user has requested the overflow menu via a
+ * hardware menu key. You should return the result of this method call and
+ * not call the superclass implementation.
+ *
+ * <blockquote><p>
+ * @Override
+ * public final boolean onPrepareOptionsMenu(android.view.Menu menu) {
+ * return mSherlock.dispatchPrepareOptionsMenu(menu);
+ * }
+ * </p></blockquote>
+ *
+ * @param menu Activity native menu.
+ * @return {@code true} if menu display should proceed.
+ */
+ public abstract boolean dispatchPrepareOptionsMenu(android.view.Menu menu);
+
+ /**
+ * Notify the action bar that a native options menu item has been selected.
+ * The implementation should return the result of this method call.
+ *
+ * <blockquote><p>
+ * @Override
+ * public final boolean onOptionsItemSelected(android.view.MenuItem item) {
+ * return mSherlock.dispatchOptionsItemSelected(item);
+ * }
+ * </p></blockquote>
+ *
+ * @param item Options menu item.
+ * @return @{code true} if the selection was handled.
+ */
+ public abstract boolean dispatchOptionsItemSelected(android.view.MenuItem item);
+
+ /**
+ * Notify the action bar that the overflow menu has been opened. The
+ * implementation should conditionally return {@code true} if this method
+ * returns {@code true}, otherwise return the result of the superclass
+ * method.
+ *
+ * <blockquote><p>
+ * @Override
+ * public final boolean onMenuOpened(int featureId, android.view.Menu menu) {
+ * if (mSherlock.dispatchMenuOpened(featureId, menu)) {
+ * return true;
+ * }
+ * return super.onMenuOpened(featureId, menu);
+ * }
+ * </p></blockquote>
+ *
+ * @param featureId Window feature which triggered the event.
+ * @param menu Activity native menu.
+ * @return {@code true} if the event was handled by this method.
+ */
+ public boolean dispatchMenuOpened(int featureId, android.view.Menu menu) {
+ return false;
+ }
+
+ /**
+ * Notify the action bar that the overflow menu has been closed. This
+ * method should be called before the superclass implementation.
+ *
+ * <blockquote><p>
+ * @Override
+ * public void onPanelClosed(int featureId, android.view.Menu menu) {
+ * mSherlock.dispatchPanelClosed(featureId, menu);
+ * super.onPanelClosed(featureId, menu);
+ * }
+ * </p></blockquote>
+ *
+ * @param featureId
+ * @param menu
+ */
+ public void dispatchPanelClosed(int featureId, android.view.Menu menu) {}
+
+ /**
+ * Notify the action bar that the activity has been destroyed. This method
+ * should be called before the superclass implementation.
+ *
+ * <blockquote><p>
+ * @Override
+ * public void onDestroy() {
+ * mSherlock.dispatchDestroy();
+ * super.onDestroy();
+ * }
+ * </p></blockquote>
+ */
+ public void dispatchDestroy() {}
+
+ public void dispatchSaveInstanceState(Bundle outState) {}
+
+ public void dispatchRestoreInstanceState(Bundle savedInstanceState) {}
+
+ ///////////////////////////////////////////////////////////////////////////
+ ///////////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Internal method to trigger the menu creation process.
+ *
+ * @return {@code true} if menu creation should proceed.
+ */
+ protected final boolean callbackCreateOptionsMenu(Menu menu) {
+ if (DEBUG) Log.d(TAG, "[callbackCreateOptionsMenu] menu: " + menu);
+
+ boolean result = true;
+ if (mActivity instanceof OnCreatePanelMenuListener) {
+ OnCreatePanelMenuListener listener = (OnCreatePanelMenuListener)mActivity;
+ result = listener.onCreatePanelMenu(Window.FEATURE_OPTIONS_PANEL, menu);
+ } else if (mActivity instanceof OnCreateOptionsMenuListener) {
+ OnCreateOptionsMenuListener listener = (OnCreateOptionsMenuListener)mActivity;
+ result = listener.onCreateOptionsMenu(menu);
+ }
+
+ if (DEBUG) Log.d(TAG, "[callbackCreateOptionsMenu] returning " + result);
+ return result;
+ }
+
+ /**
+ * Internal method to trigger the menu preparation process.
+ *
+ * @return {@code true} if menu preparation should proceed.
+ */
+ protected final boolean callbackPrepareOptionsMenu(Menu menu) {
+ if (DEBUG) Log.d(TAG, "[callbackPrepareOptionsMenu] menu: " + menu);
+
+ boolean result = true;
+ if (mActivity instanceof OnPreparePanelListener) {
+ OnPreparePanelListener listener = (OnPreparePanelListener)mActivity;
+ result = listener.onPreparePanel(Window.FEATURE_OPTIONS_PANEL, null, menu);
+ } else if (mActivity instanceof OnPrepareOptionsMenuListener) {
+ OnPrepareOptionsMenuListener listener = (OnPrepareOptionsMenuListener)mActivity;
+ result = listener.onPrepareOptionsMenu(menu);
+ }
+
+ if (DEBUG) Log.d(TAG, "[callbackPrepareOptionsMenu] returning " + result);
+ return result;
+ }
+
+ /**
+ * Internal method for dispatching options menu selection to the owning
+ * activity callback.
+ *
+ * @param item Selected options menu item.
+ * @return {@code true} if the item selection was handled in the callback.
+ */
+ protected final boolean callbackOptionsItemSelected(MenuItem item) {
+ if (DEBUG) Log.d(TAG, "[callbackOptionsItemSelected] item: " + item.getTitleCondensed());
+
+ boolean result = false;
+ if (mActivity instanceof OnMenuItemSelectedListener) {
+ OnMenuItemSelectedListener listener = (OnMenuItemSelectedListener)mActivity;
+ result = listener.onMenuItemSelected(Window.FEATURE_OPTIONS_PANEL, item);
+ } else if (mActivity instanceof OnOptionsItemSelectedListener) {
+ OnOptionsItemSelectedListener listener = (OnOptionsItemSelectedListener)mActivity;
+ result = listener.onOptionsItemSelected(item);
+ }
+
+ if (DEBUG) Log.d(TAG, "[callbackOptionsItemSelected] returning " + result);
+ return result;
+ }
+
+
+ ///////////////////////////////////////////////////////////////////////////
+ ///////////////////////////////////////////////////////////////////////////
+
+
+ /**
+ * Query for the availability of a certain feature.
+ *
+ * @param featureId The feature ID to check.
+ * @return {@code true} if feature is enabled, {@code false} otherwise.
+ */
+ public abstract boolean hasFeature(int featureId);
+
+ /**
+ * Enable extended screen features. This must be called before
+ * {@code setContentView()}. May be called as many times as desired as long
+ * as it is before {@code setContentView()}. If not called, no extended
+ * features will be available. You can not turn off a feature once it is
+ * requested.
+ *
+ * @param featureId The desired features, defined as constants by Window.
+ * @return Returns true if the requested feature is supported and now
+ * enabled.
+ */
+ public abstract boolean requestFeature(int featureId);
+
+ /**
+ * Set extra options that will influence the UI for this window.
+ *
+ * @param uiOptions Flags specifying extra options for this window.
+ */
+ public abstract void setUiOptions(int uiOptions);
+
+ /**
+ * Set extra options that will influence the UI for this window. Only the
+ * bits filtered by mask will be modified.
+ *
+ * @param uiOptions Flags specifying extra options for this window.
+ * @param mask Flags specifying which options should be modified. Others
+ * will remain unchanged.
+ */
+ public abstract void setUiOptions(int uiOptions, int mask);
+
+ /**
+ * Set the content of the activity inside the action bar.
+ *
+ * @param layoutResId Layout resource ID.
+ */
+ public abstract void setContentView(int layoutResId);
+
+ /**
+ * Set the content of the activity inside the action bar.
+ *
+ * @param view The desired content to display.
+ */
+ public void setContentView(View view) {
+ if (DEBUG) Log.d(TAG, "[setContentView] view: " + view);
+
+ setContentView(view, new ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT));
+ }
+
+ /**
+ * Set the content of the activity inside the action bar.
+ *
+ * @param view The desired content to display.
+ * @param params Layout parameters to apply to the view.
+ */
+ public abstract void setContentView(View view, ViewGroup.LayoutParams params);
+
+ /**
+ * Variation on {@link #setContentView(android.view.View, android.view.ViewGroup.LayoutParams)}
+ * to add an additional content view to the screen. Added after any
+ * existing ones on the screen -- existing views are NOT removed.
+ *
+ * @param view The desired content to display.
+ * @param params Layout parameters for the view.
+ */
+ public abstract void addContentView(View view, ViewGroup.LayoutParams params);
+
+ /**
+ * Change the title associated with this activity.
+ */
+ public abstract void setTitle(CharSequence title);
+
+ /**
+ * Change the title associated with this activity.
+ */
+ public void setTitle(int resId) {
+ if (DEBUG) Log.d(TAG, "[setTitle] resId: " + resId);
+
+ setTitle(mActivity.getString(resId));
+ }
+
+ /**
+ * Sets the visibility of the progress bar in the title.
+ * <p>
+ * In order for the progress bar to be shown, the feature must be requested
+ * via {@link #requestWindowFeature(int)}.
+ *
+ * @param visible Whether to show the progress bars in the title.
+ */
+ public abstract void setProgressBarVisibility(boolean visible);
+
+ /**
+ * Sets the visibility of the indeterminate progress bar in the title.
+ * <p>
+ * In order for the progress bar to be shown, the feature must be requested
+ * via {@link #requestWindowFeature(int)}.
+ *
+ * @param visible Whether to show the progress bars in the title.
+ */
+ public abstract void setProgressBarIndeterminateVisibility(boolean visible);
+
+ /**
+ * Sets whether the horizontal progress bar in the title should be indeterminate (the circular
+ * is always indeterminate).
+ * <p>
+ * In order for the progress bar to be shown, the feature must be requested
+ * via {@link #requestWindowFeature(int)}.
+ *
+ * @param indeterminate Whether the horizontal progress bar should be indeterminate.
+ */
+ public abstract void setProgressBarIndeterminate(boolean indeterminate);
+
+ /**
+ * Sets the progress for the progress bars in the title.
+ * <p>
+ * In order for the progress bar to be shown, the feature must be requested
+ * via {@link #requestWindowFeature(int)}.
+ *
+ * @param progress The progress for the progress bar. Valid ranges are from
+ * 0 to 10000 (both inclusive). If 10000 is given, the progress
+ * bar will be completely filled and will fade out.
+ */
+ public abstract void setProgress(int progress);
+
+ /**
+ * Sets the secondary progress for the progress bar in the title. This
+ * progress is drawn between the primary progress (set via
+ * {@link #setProgress(int)} and the background. It can be ideal for media
+ * scenarios such as showing the buffering progress while the default
+ * progress shows the play progress.
+ * <p>
+ * In order for the progress bar to be shown, the feature must be requested
+ * via {@link #requestWindowFeature(int)}.
+ *
+ * @param secondaryProgress The secondary progress for the progress bar. Valid ranges are from
+ * 0 to 10000 (both inclusive).
+ */
+ public abstract void setSecondaryProgress(int secondaryProgress);
+
+ /**
+ * Get a menu inflater instance which supports the newer menu attributes.
+ *
+ * @return Menu inflater instance.
+ */
+ public MenuInflater getMenuInflater() {
+ if (DEBUG) Log.d(TAG, "[getMenuInflater]");
+
+ // Make sure that action views can get an appropriate theme.
+ if (mMenuInflater == null) {
+ if (getActionBar() != null) {
+ mMenuInflater = new MenuInflater(getThemedContext(), mActivity);
+ } else {
+ mMenuInflater = new MenuInflater(mActivity);
+ }
+ }
+ return mMenuInflater;
+ }
+
+ protected abstract Context getThemedContext();
+
+ /**
+ * Start an action mode.
+ *
+ * @param callback Callback that will manage lifecycle events for this
+ * context mode.
+ * @return The ContextMode that was started, or null if it was canceled.
+ * @see ActionMode
+ */
+ public abstract ActionMode startActionMode(ActionMode.Callback callback);
+}
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