diff options
Diffstat (limited to 'java/src/com/android/inputmethod')
6 files changed, 532 insertions, 32 deletions
diff --git a/java/src/com/android/inputmethod/compat/TextViewCompatUtils.java b/java/src/com/android/inputmethod/compat/TextViewCompatUtils.java new file mode 100644 index 000000000..d4f1ea830 --- /dev/null +++ b/java/src/com/android/inputmethod/compat/TextViewCompatUtils.java @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2013 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.inputmethod.compat; + +import android.graphics.drawable.Drawable; +import android.widget.TextView; + +import java.lang.reflect.Method; + +public final class TextViewCompatUtils { + // Note that TextView.setCompoundDrawablesRelative(Drawable,Drawable,Drawable,Drawable) has + // been introduced in API level 17 (Build.VERSION_CODE.JELLY_BEAN_MR1). + private static final Method METHOD_setCompoundDrawablesRelative = CompatUtils.getMethod( + TextView.class, "setCompoundDrawablesRelative", + Drawable.class, Drawable.class, Drawable.class, Drawable.class); + + private TextViewCompatUtils() { + // This utility class is not publicly instantiable. + } + + public static void setCompoundDrawablesRelative(final TextView textView, final Drawable start, + final Drawable top, final Drawable end, final Drawable bottom) { + if (METHOD_setCompoundDrawablesRelative == null) { + textView.setCompoundDrawables(start, top, end, bottom); + return; + } + CompatUtils.invoke(textView, null, METHOD_setCompoundDrawablesRelative, + start, top, end, bottom); + } +} diff --git a/java/src/com/android/inputmethod/compat/ViewCompatUtils.java b/java/src/com/android/inputmethod/compat/ViewCompatUtils.java new file mode 100644 index 000000000..a8fab8855 --- /dev/null +++ b/java/src/com/android/inputmethod/compat/ViewCompatUtils.java @@ -0,0 +1,68 @@ +/* + * Copyright (C) 2013 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.inputmethod.compat; + +import android.view.View; + +import java.lang.reflect.Method; + +public final class ViewCompatUtils { + // Note that View.LAYOUT_DIRECTION_LTR and View.LAYOUT_DIRECTION_RTL have been introduced in + // API level 17 (Build.VERSION_CODE.JELLY_BEAN_MR1). + public static final int LAYOUT_DIRECTION_LTR = (Integer)CompatUtils.getFieldValue(null, 0x0, + CompatUtils.getField(View.class, "LAYOUT_DIRECTION_LTR")); + public static final int LAYOUT_DIRECTION_RTL = (Integer)CompatUtils.getFieldValue(null, 0x1, + CompatUtils.getField(View.class, "LAYOUT_DIRECTION_RTL")); + + // Note that View.getPaddingEnd(), View.setPaddingRelative(int,int,int,int), and + // View.getLayoutDirection() have been introduced in API level 17 + // (Build.VERSION_CODE.JELLY_BEAN_MR1). + private static final Method METHOD_getPaddingEnd = CompatUtils.getMethod( + View.class, "getPaddingEnd"); + private static final Method METHOD_setPaddingRelative = CompatUtils.getMethod( + View.class, "setPaddingRelative", + Integer.TYPE, Integer.TYPE, Integer.TYPE, Integer.TYPE); + private static final Method METHOD_getLayoutDirection = CompatUtils.getMethod( + View.class, "getLayoutDirection"); + + private ViewCompatUtils() { + // This utility class is not publicly instantiable. + } + + public static int getPaddingEnd(final View view) { + if (METHOD_getPaddingEnd == null) { + return view.getPaddingRight(); + } + return (Integer)CompatUtils.invoke(view, 0, METHOD_getPaddingEnd); + } + + public static void setPaddingRelative(final View view, final int start, final int top, + final int end, final int bottom) { + if (METHOD_setPaddingRelative == null) { + view.setPadding(start, top, end, bottom); + return; + } + CompatUtils.invoke(view, null, METHOD_setPaddingRelative, start, top, end, bottom); + } + + public static int getLayoutDirection(final View view) { + if (METHOD_getLayoutDirection == null) { + return LAYOUT_DIRECTION_LTR; + } + return (Integer)CompatUtils.invoke(view, 0, METHOD_getLayoutDirection); + } +} diff --git a/java/src/com/android/inputmethod/latin/BinaryDictionaryFileDumper.java b/java/src/com/android/inputmethod/latin/BinaryDictionaryFileDumper.java index d9d664fb5..0d0ce5756 100644 --- a/java/src/com/android/inputmethod/latin/BinaryDictionaryFileDumper.java +++ b/java/src/com/android/inputmethod/latin/BinaryDictionaryFileDumper.java @@ -74,6 +74,8 @@ public final class BinaryDictionaryFileDumper { // The path fragment to append after the client ID for dictionary info requests. private static final String QUERY_PATH_DICT_INFO = "dict"; + // The path fragment to append after the client ID for dictionary datafile requests. + private static final String QUERY_PATH_DATAFILE = "datafile"; // The path fragment to append after the client ID for updating the metadata URI. private static final String QUERY_PATH_METADATA = "metadata"; private static final String INSERT_METADATA_CLIENT_ID_COLUMN = "clientid"; @@ -156,7 +158,7 @@ public final class BinaryDictionaryFileDumper { c.close(); return Collections.<WordListInfo>emptyList(); } - final List<WordListInfo> list = CollectionUtils.newArrayList(); + final ArrayList<WordListInfo> list = CollectionUtils.newArrayList(); do { final String wordListId = c.getString(0); final String wordListLocale = c.getString(1); @@ -186,13 +188,18 @@ public final class BinaryDictionaryFileDumper { /** * Helper method to encapsulate exception handling. */ - private static AssetFileDescriptor openAssetFileDescriptor(final ContentResolver resolver, - final Uri uri) { + private static AssetFileDescriptor openAssetFileDescriptor( + final ContentProviderClient providerClient, final Uri uri) { try { - return resolver.openAssetFileDescriptor(uri, "r"); + return providerClient.openAssetFile(uri, "r"); } catch (FileNotFoundException e) { - // I don't want to log the word list URI here for security concerns - Log.e(TAG, "Could not find a word list from the dictionary provider."); + // I don't want to log the word list URI here for security concerns. The exception + // contains the name of the file, so let's not pass it to Log.e here. + Log.e(TAG, "Could not find a word list from the dictionary provider." + /* intentionally don't pass the exception (see comment above) */); + return null; + } catch (RemoteException e) { + Log.e(TAG, "Can't communicate with the dictionary pack", e); return null; } } @@ -202,9 +209,8 @@ public final class BinaryDictionaryFileDumper { * to the cache file name designated by its id and locale, overwriting it if already present * and creating it (and its containing directory) if necessary. */ - private static AssetFileAddress cacheWordList(final String id, final String locale, - final ContentResolver resolver, final Context context) { - + private static AssetFileAddress cacheWordList(final String wordlistId, final String locale, + final ContentProviderClient providerClient, final Context context) { final int COMPRESSED_CRYPTED_COMPRESSED = 0; final int CRYPTED_COMPRESSED = 1; final int COMPRESSED_CRYPTED = 2; @@ -214,11 +220,20 @@ public final class BinaryDictionaryFileDumper { final int MODE_MIN = COMPRESSED_CRYPTED_COMPRESSED; final int MODE_MAX = NONE; - final Uri.Builder wordListUriBuilder = getProviderUriBuilder(id); - final String finalFileName = DictionaryInfoUtils.getCacheFileName(id, locale, context); + final String clientId = context.getString(R.string.dictionary_pack_client_id); + final Uri.Builder wordListUriBuilder; + try { + wordListUriBuilder = getContentUriBuilderForType(clientId, + providerClient, QUERY_PATH_DATAFILE, wordlistId /* extraPath */); + } catch (RemoteException e) { + Log.e(TAG, "Can't communicate with the dictionary pack", e); + return null; + } + final String finalFileName = + DictionaryInfoUtils.getCacheFileName(wordlistId, locale, context); String tempFileName; try { - tempFileName = BinaryDictionaryGetter.getTempFileName(id, context); + tempFileName = BinaryDictionaryGetter.getTempFileName(wordlistId, context); } catch (IOException e) { Log.e(TAG, "Can't open the temporary file", e); return null; @@ -236,7 +251,7 @@ public final class BinaryDictionaryFileDumper { final Uri wordListUri = wordListUriBuilder.build(); try { // Open input. - afd = openAssetFileDescriptor(resolver, wordListUri); + afd = openAssetFileDescriptor(providerClient, wordListUri); // If we can't open it at all, don't even try a number of times. if (null == afd) return null; originalSourceStream = afd.createInputStream(); @@ -284,10 +299,10 @@ public final class BinaryDictionaryFileDumper { } wordListUriBuilder.appendQueryParameter(QUERY_PARAMETER_DELETE_RESULT, QUERY_PARAMETER_SUCCESS); - if (0 >= resolver.delete(wordListUriBuilder.build(), null, null)) { + if (0 >= providerClient.delete(wordListUriBuilder.build(), null, null)) { Log.e(TAG, "Could not have the dictionary pack delete a word list"); } - BinaryDictionaryGetter.removeFilesWithIdExcept(context, id, finalFile); + BinaryDictionaryGetter.removeFilesWithIdExcept(context, wordlistId, finalFile); // Success! Close files (through the finally{} clause) and return. return AssetFileAddress.makeFromFileName(finalFileName); } catch (Exception e) { @@ -327,8 +342,12 @@ public final class BinaryDictionaryFileDumper { // as invalid. wordListUriBuilder.appendQueryParameter(QUERY_PARAMETER_DELETE_RESULT, QUERY_PARAMETER_FAILURE); - if (0 >= resolver.delete(wordListUriBuilder.build(), null, null)) { - Log.e(TAG, "In addition, we were unable to delete it."); + try { + if (0 >= providerClient.delete(wordListUriBuilder.build(), null, null)) { + Log.e(TAG, "In addition, we were unable to delete it."); + } + } catch (RemoteException e) { + Log.e(TAG, "In addition, communication with the dictionary provider was cut", e); } return null; } @@ -345,17 +364,27 @@ public final class BinaryDictionaryFileDumper { */ public static List<AssetFileAddress> cacheWordListsFromContentProvider(final Locale locale, final Context context, final boolean hasDefaultWordList) { - final ContentResolver resolver = context.getContentResolver(); - final List<WordListInfo> idList = getWordListWordListInfos(locale, context, - hasDefaultWordList); - final List<AssetFileAddress> fileAddressList = CollectionUtils.newArrayList(); - for (WordListInfo id : idList) { - final AssetFileAddress afd = cacheWordList(id.mId, id.mLocale, resolver, context); - if (null != afd) { - fileAddressList.add(afd); + final ContentProviderClient providerClient = context.getContentResolver(). + acquireContentProviderClient(getProviderUriBuilder("").build()); + if (null == providerClient) { + Log.e(TAG, "Can't establish communication with the dictionary provider"); + return CollectionUtils.newArrayList(); + } + try { + final List<WordListInfo> idList = getWordListWordListInfos(locale, context, + hasDefaultWordList); + final ArrayList<AssetFileAddress> fileAddressList = CollectionUtils.newArrayList(); + for (WordListInfo id : idList) { + final AssetFileAddress afd = + cacheWordList(id.mId, id.mLocale, providerClient, context); + if (null != afd) { + fileAddressList.add(afd); + } } + return fileAddressList; + } finally { + providerClient.release(); } - return fileAddressList; } /** diff --git a/java/src/com/android/inputmethod/latin/WordComposer.java b/java/src/com/android/inputmethod/latin/WordComposer.java index 31f616dd9..f7cb4346a 100644 --- a/java/src/com/android/inputmethod/latin/WordComposer.java +++ b/java/src/com/android/inputmethod/latin/WordComposer.java @@ -16,6 +16,7 @@ package com.android.inputmethod.latin; +import com.android.inputmethod.annotations.UsedForTesting; import com.android.inputmethod.keyboard.Key; import com.android.inputmethod.keyboard.Keyboard; @@ -177,7 +178,8 @@ public final class WordComposer { /** * Internal method to retrieve reasonable proximity info for a character. */ - private void addKeyInfo(final int codePoint, final Keyboard keyboard) { + @UsedForTesting + public void addKeyInfo(final int codePoint, final Keyboard keyboard) { final int x, y; final Key key; if (keyboard != null && (key = keyboard.getKey(codePoint)) != null) { diff --git a/java/src/com/android/inputmethod/latin/setup/SetupActivity.java b/java/src/com/android/inputmethod/latin/setup/SetupActivity.java index fab894584..c30ecfb16 100644 --- a/java/src/com/android/inputmethod/latin/setup/SetupActivity.java +++ b/java/src/com/android/inputmethod/latin/setup/SetupActivity.java @@ -18,22 +18,323 @@ package com.android.inputmethod.latin.setup; import android.app.Activity; import android.content.Intent; +import android.content.res.Resources; +import android.graphics.PorterDuff; +import android.graphics.drawable.Drawable; import android.os.Bundle; +import android.os.Message; +import android.provider.Settings; +import android.view.View; +import android.view.inputmethod.InputMethodInfo; +import android.view.inputmethod.InputMethodManager; +import android.widget.TextView; +import com.android.inputmethod.compat.TextViewCompatUtils; +import com.android.inputmethod.compat.ViewCompatUtils; +import com.android.inputmethod.latin.CollectionUtils; +import com.android.inputmethod.latin.R; +import com.android.inputmethod.latin.RichInputMethodManager; import com.android.inputmethod.latin.SettingsActivity; +import com.android.inputmethod.latin.StaticInnerHandlerWrapper; + +import java.util.HashMap; public final class SetupActivity extends Activity { + private SetupStepIndicatorView mStepIndicatorView; + private final SetupStepGroup mSetupSteps = new SetupStepGroup(); + private static final String STATE_STEP = "step"; + private int mStepNo; + private static final int STEP_1 = 1; + private static final int STEP_2 = 2; + private static final int STEP_3 = 3; + + private final SettingsPoolingHandler mHandler = new SettingsPoolingHandler(this); + + static final class SettingsPoolingHandler extends StaticInnerHandlerWrapper<SetupActivity> { + private static final int MSG_POLLING_IME_SETTINGS = 0; + private static final long IME_SETTINGS_POLLING_INTERVAL = 200; + + public SettingsPoolingHandler(final SetupActivity outerInstance) { + super(outerInstance); + } + + @Override + public void handleMessage(final Message msg) { + final SetupActivity setupActivity = getOuterInstance(); + switch (msg.what) { + case MSG_POLLING_IME_SETTINGS: + if (setupActivity.isMyImeEnabled()) { + setupActivity.invokeSetupWizardOfThisIme(); + return; + } + startPollingImeSettings(); + break; + } + } + + public void startPollingImeSettings() { + sendMessageDelayed(obtainMessage(MSG_POLLING_IME_SETTINGS), + IME_SETTINGS_POLLING_INTERVAL); + } + + public void cancelPollingImeSettings() { + removeMessages(MSG_POLLING_IME_SETTINGS); + } + } + @Override - protected void onCreate(Bundle savedInstanceState) { + protected void onCreate(final Bundle savedInstanceState) { + setTheme(android.R.style.Theme_DeviceDefault_Light_NoActionBar); super.onCreate(savedInstanceState); - // TODO: Implement setup wizard. + setContentView(R.layout.setup_wizard); + + RichInputMethodManager.init(this); + + if (savedInstanceState == null) { + mStepNo = determineSetupStepNo(); + } else { + mStepNo = savedInstanceState.getInt(STATE_STEP); + } + + if (mStepNo == STEP_3) { + // This IME already has been enabled and set as current IME. + // TODO: Implement tutorial. + invokeSettingsOfThisIme(); + finish(); + return; + } + + // TODO: Use sans-serif-thin font family depending on the system locale white list and + // the SDK version. + final TextView titleView = (TextView)findViewById(R.id.setup_title); + titleView.setText(getString(R.string.setup_title, getString(R.string.english_ime_name))); + + mStepIndicatorView = (SetupStepIndicatorView)findViewById(R.id.setup_step_indicator); + + final SetupStep step1 = new SetupStep(findViewById(R.id.setup_step1), + R.string.setup_step1_title, R.string.setup_step1_instruction, + R.drawable.ic_settings_language, R.string.language_settings); + step1.setAction(new Runnable() { + @Override + public void run() { + invokeLanguageAndInputSettings(); + mHandler.startPollingImeSettings(); + } + }); + mSetupSteps.addStep(STEP_1, step1); + + final SetupStep step2 = new SetupStep(findViewById(R.id.setup_step2), + R.string.setup_step2_title, R.string.setup_step2_instruction, + 0 /* actionIcon */, R.string.select_input_method); + step2.setAction(new Runnable() { + @Override + public void run() { + // Invoke input method picker. + RichInputMethodManager.getInstance().getInputMethodManager() + .showInputMethodPicker(); + } + }); + mSetupSteps.addStep(STEP_2, step2); + + final SetupStep step3 = new SetupStep(findViewById(R.id.setup_step3), + R.string.setup_step3_title, 0 /* instruction */, + R.drawable.sym_keyboard_language_switch, R.string.setup_step3_instruction); + step3.setAction(new Runnable() { + @Override + public void run() { + invokeSubtypeEnablerOfThisIme(); + } + }); + mSetupSteps.addStep(STEP_3, step3); + } + + private void invokeSetupWizardOfThisIme() { + final Intent intent = new Intent(); + intent.setClass(this, SetupActivity.class); + intent.setFlags(Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED + | Intent.FLAG_ACTIVITY_CLEAR_TOP); + startActivity(intent); + } + + private void invokeSettingsOfThisIme() { final Intent intent = new Intent(); intent.setClass(this, SettingsActivity.class); - intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK - | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED + intent.setFlags(Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED | Intent.FLAG_ACTIVITY_CLEAR_TOP); startActivity(intent); - finish(); + } + + private void invokeLanguageAndInputSettings() { + final Intent intent = new Intent(); + intent.setAction(Settings.ACTION_INPUT_METHOD_SETTINGS); + intent.addCategory(Intent.CATEGORY_DEFAULT); + startActivity(intent); + } + + private void invokeSubtypeEnablerOfThisIme() { + final InputMethodInfo imi = + RichInputMethodManager.getInstance().getInputMethodInfoOfThisIme(); + final Intent intent = new Intent(); + intent.setAction(Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS); + intent.addCategory(Intent.CATEGORY_DEFAULT); + intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, imi.getId()); + startActivity(intent); + } + + private boolean isMyImeEnabled() { + final String packageName = getPackageName(); + final InputMethodManager imm = RichInputMethodManager.getInstance().getInputMethodManager(); + for (final InputMethodInfo imi : imm.getEnabledInputMethodList()) { + if (packageName.equals(imi.getPackageName())) { + return true; + } + } + return false; + } + + private boolean isMyImeCurrent() { + final InputMethodInfo myImi = + RichInputMethodManager.getInstance().getInputMethodInfoOfThisIme(); + final String currentImeId = Settings.Secure.getString( + getContentResolver(), Settings.Secure.DEFAULT_INPUT_METHOD); + return myImi.getId().equals(currentImeId); + } + + private int determineSetupStepNo() { + mHandler.cancelPollingImeSettings(); + if (!isMyImeEnabled()) { + return STEP_1; + } + if (!isMyImeCurrent()) { + return STEP_2; + } + return STEP_3; + } + + @Override + protected void onSaveInstanceState(final Bundle outState) { + super.onSaveInstanceState(outState); + outState.putInt(STATE_STEP, mStepNo); + } + + @Override + protected void onRestoreInstanceState(final Bundle savedInstanceState) { + super.onRestoreInstanceState(savedInstanceState); + mStepNo = savedInstanceState.getInt(STATE_STEP); + } + + @Override + protected void onStart() { + super.onStart(); + mStepNo = determineSetupStepNo(); + } + + @Override + protected void onRestart() { + super.onRestart(); + mStepNo = determineSetupStepNo(); + } + + @Override + protected void onResume() { + super.onResume(); + updateSetupStepView(); + } + + @Override + public void onWindowFocusChanged(final boolean hasFocus) { + super.onWindowFocusChanged(hasFocus); + if (!hasFocus) { + return; + } + mStepNo = determineSetupStepNo(); + updateSetupStepView(); + } + + private void updateSetupStepView() { + final int layoutDirection = ViewCompatUtils.getLayoutDirection(mStepIndicatorView); + mStepIndicatorView.setIndicatorPosition( + getIndicatorPosition(mStepNo, mSetupSteps.getTotalStep(), layoutDirection)); + mSetupSteps.enableStep(mStepNo); + } + + private static float getIndicatorPosition(final int step, final int totalStep, + final int layoutDirection) { + final float pos = ((step - STEP_1) * 2 + 1) / (float)(totalStep * 2); + return (layoutDirection == ViewCompatUtils.LAYOUT_DIRECTION_RTL) ? 1.0f - pos : pos; + } + + static final class SetupStep implements View.OnClickListener { + private final View mRootView; + private final TextView mActionLabel; + private Runnable mAction; + + public SetupStep(final View rootView, final int title, final int instruction, + final int actionIcon, final int actionLabel) { + mRootView = rootView; + final Resources res = rootView.getResources(); + final String applicationName = res.getString(R.string.english_ime_name); + + final TextView titleView = (TextView)rootView.findViewById(R.id.setup_step_title); + titleView.setText(res.getString(title, applicationName)); + + final TextView instructionView = (TextView)rootView.findViewById( + R.id.setup_step_instruction); + if (instruction == 0) { + instructionView.setVisibility(View.GONE); + } else { + instructionView.setText(res.getString(instruction, applicationName)); + } + + mActionLabel = (TextView)rootView.findViewById(R.id.setup_step_action_label); + mActionLabel.setText(res.getString(actionLabel)); + if (actionIcon == 0) { + final int paddingEnd = ViewCompatUtils.getPaddingEnd(mActionLabel); + ViewCompatUtils.setPaddingRelative(mActionLabel, paddingEnd, 0, paddingEnd, 0); + } else { + final int overrideColor = res.getColor(R.color.setup_text_action); + final Drawable icon = res.getDrawable(actionIcon); + icon.setColorFilter(overrideColor, PorterDuff.Mode.MULTIPLY); + icon.setBounds(0, 0, icon.getIntrinsicWidth(), icon.getIntrinsicHeight()); + TextViewCompatUtils.setCompoundDrawablesRelative( + mActionLabel, icon, null, null, null); + } + } + + public void setEnabled(final boolean enabled) { + mRootView.setVisibility(enabled ? View.VISIBLE : View.GONE); + } + + public void setAction(final Runnable action) { + mActionLabel.setOnClickListener(this); + mAction = action; + } + + @Override + public void onClick(final View v) { + if (mAction != null) { + mAction.run(); + } + } + } + + static final class SetupStepGroup { + private final HashMap<Integer, SetupStep> mGroup = CollectionUtils.newHashMap(); + + public void addStep(final int stepNo, final SetupStep step) { + mGroup.put(stepNo, step); + } + + public void enableStep(final int enableStepNo) { + for (final Integer stepNo : mGroup.keySet()) { + final SetupStep step = mGroup.get(stepNo); + step.setEnabled(stepNo == enableStepNo); + } + } + + public int getTotalStep() { + return mGroup.size(); + } } } diff --git a/java/src/com/android/inputmethod/latin/setup/SetupStepIndicatorView.java b/java/src/com/android/inputmethod/latin/setup/SetupStepIndicatorView.java new file mode 100644 index 000000000..077a21793 --- /dev/null +++ b/java/src/com/android/inputmethod/latin/setup/SetupStepIndicatorView.java @@ -0,0 +1,56 @@ +/* + * Copyright (C) 2013 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.inputmethod.latin.setup; + +import android.content.Context; +import android.graphics.Canvas; +import android.graphics.Paint; +import android.graphics.Path; +import android.util.AttributeSet; +import android.view.View; + +import com.android.inputmethod.latin.R; + +public final class SetupStepIndicatorView extends View { + private final Path mIndicatorPath = new Path(); + private final Paint mIndicatorPaint = new Paint(); + private float mXRatio; + + public SetupStepIndicatorView(final Context context, final AttributeSet attrs) { + super(context, attrs); + mIndicatorPaint.setColor(getResources().getColor(R.color.setup_step_background)); + mIndicatorPaint.setStyle(Paint.Style.FILL); + } + + public void setIndicatorPosition(final float xRatio) { + mXRatio = xRatio; + invalidate(); + } + + @Override + protected void onDraw(final Canvas canvas) { + super.onDraw(canvas); + final int xPos = (int)(getWidth() * mXRatio); + final int height = getHeight(); + mIndicatorPath.rewind(); + mIndicatorPath.moveTo(xPos, 0); + mIndicatorPath.lineTo(xPos + height, height); + mIndicatorPath.lineTo(xPos - height, height); + mIndicatorPath.close(); + canvas.drawPath(mIndicatorPath, mIndicatorPaint); + } +} |