src/com/android/settings/applications/AppHeaderController.java - platform/packages/apps/Settings - Git at Google

 /*
  * Copyright (C) 2016 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.settings.applications;

 import android.annotation.IdRes;
 import android.annotation.UserIdInt;
 import android.app.Fragment;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageInfo;
 import android.content.pm.ResolveInfo;
 import android.content.res.Resources;
 import android.graphics.drawable.Drawable;
 import android.os.UserHandle;
 import android.support.annotation.IntDef;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.ImageButton;
 import android.widget.ImageView;
 import android.widget.TextView;
 import com.android.settings.AppHeader;
 import com.android.settings.R;
 import com.android.settings.Utils;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settingslib.applications.ApplicationsState;

 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;

 public class AppHeaderController {

     @IntDef({ActionType.ACTION_NONE,
             ActionType.ACTION_APP_INFO,
             ActionType.ACTION_APP_PREFERENCE,
             ActionType.ACTION_STORE_DEEP_LINK,
             ActionType.ACTION_NOTIF_PREFERENCE})
     @Retention(RetentionPolicy.SOURCE)
     public @interface ActionType {
         int ACTION_NONE = 0;
         int ACTION_APP_INFO = 1;
         int ACTION_STORE_DEEP_LINK = 2;
         int ACTION_APP_PREFERENCE = 3;
         int ACTION_NOTIF_PREFERENCE = 4;
     }

     public static final String PREF_KEY_APP_HEADER = "pref_app_header";

     private static final String TAG = "AppDetailFeature";

     private final Context mContext;
     private final Fragment mFragment;
     private final int mMetricsCategory;
     private final View mAppHeader;

     private Drawable mIcon;
     private CharSequence mLabel;
     private CharSequence mSummary;
     private String mPackageName;
     private Intent mAppNotifPrefIntent;
     @UserIdInt
     private int mUid = UserHandle.USER_NULL;
     @ActionType
     private int mLeftAction;
     @ActionType
     private int mRightAction;

     private boolean mIsInstantApp;

     public AppHeaderController(Context context, Fragment fragment, View appHeader) {
         mContext = context;
         mFragment = fragment;
         mMetricsCategory = FeatureFactory.getFactory(context).getMetricsFeatureProvider()
                 .getMetricsCategory(fragment);
         if (appHeader != null) {
             mAppHeader = appHeader;
         } else {
             mAppHeader = LayoutInflater.from(mContext)
                     .inflate(R.layout.app_details, null /* root */);
         }
     }

     public AppHeaderController setIcon(Drawable icon) {
         if (icon != null) {
             mIcon = icon.getConstantState().newDrawable(mContext.getResources());
         }
         return this;
     }

     public AppHeaderController setIcon(ApplicationsState.AppEntry appEntry) {
         if (appEntry.icon != null) {
             mIcon = appEntry.icon.getConstantState().newDrawable(mContext.getResources());
         }
         return this;
     }

     public AppHeaderController setLabel(CharSequence label) {
         mLabel = label;
         return this;
     }

     public AppHeaderController setLabel(ApplicationsState.AppEntry appEntry) {
         mLabel = appEntry.label;
         return this;
     }

     public AppHeaderController setSummary(CharSequence summary) {
         mSummary = summary;
         return this;
     }

     public AppHeaderController setSummary(PackageInfo packageInfo) {
         if (packageInfo != null) {
             mSummary = packageInfo.versionName;
         }
         return this;
     }

     public AppHeaderController setButtonActions(@ActionType int leftAction,
             @ActionType int rightAction) {
         mLeftAction = leftAction;
         mRightAction = rightAction;
         return this;
     }

     public AppHeaderController setPackageName(String packageName) {
         mPackageName = packageName;
         return this;
     }

     public AppHeaderController setUid(int uid) {
         mUid = uid;
         return this;
     }

     public AppHeaderController setAppNotifPrefIntent(Intent appNotifPrefIntent) {
         mAppNotifPrefIntent = appNotifPrefIntent;
         return this;
     }

     public AppHeaderController setIsInstantApp(boolean isInstantApp) {
         this.mIsInstantApp = isInstantApp;
         return this;
     }

     /**
      * Binds app header view and data from {@code PackageInfo} and {@code AppEntry}.
      */
     public void bindAppHeader(PackageInfo packageInfo, ApplicationsState.AppEntry appEntry) {
         final String versionName = packageInfo == null ? null : packageInfo.versionName;
         final Resources res = mAppHeader.getResources();

         // Set Icon
         final ImageView iconView = (ImageView) mAppHeader.findViewById(R.id.app_detail_icon);
         if (appEntry.icon != null) {
             iconView.setImageDrawable(appEntry.icon.getConstantState().newDrawable(res));
         }

         // Set application name.
         final TextView labelView = (TextView) mAppHeader.findViewById(R.id.app_detail_title);
         labelView.setText(appEntry.label);

         // Version number of application
         final TextView appVersion = (TextView) mAppHeader.findViewById(R.id.app_detail_summary);

         if (!TextUtils.isEmpty(versionName)) {
             appVersion.setSelected(true);
             appVersion.setVisibility(View.VISIBLE);
             appVersion.setText(res.getString(R.string.version_text, String.valueOf(versionName)));
         } else {
             appVersion.setVisibility(View.INVISIBLE);
         }
     }

     /**
      * Done mutating appheader, rebinds everything and return a new {@link LayoutPreference}.
      */
     public LayoutPreference done(Context context) {
         final LayoutPreference pref = new LayoutPreference(context, done());
         // Makes sure it's the first preference onscreen.
         pref.setOrder(-1000);
         pref.setKey(PREF_KEY_APP_HEADER);
         return pref;
     }

     /**
      * Done mutating appheader, rebinds everything.
      */
     public View done() {
         return done(true);
     }

     /**
      * Done mutating appheader, rebinds everything (optionally skip rebinding buttons).
      */
     public View done(boolean rebindActions) {
         ImageView iconView = (ImageView) mAppHeader.findViewById(R.id.app_detail_icon);
         if (iconView != null) {
             iconView.setImageDrawable(mIcon);
         }
         setText(R.id.app_detail_title, mLabel);
         setText(R.id.app_detail_summary, mSummary);
         if (rebindActions) {
             bindAppHeaderButtons();
         }

         if (mIsInstantApp) {
             setText(R.id.install_type,
                     mAppHeader.getResources().getString(R.string.install_type_instant));
         }

         return mAppHeader;
     }

     /**
      * Only binds app header with button actions.
      */
     public void bindAppHeaderButtons() {
         ImageButton leftButton = (ImageButton) mAppHeader.findViewById(R.id.left_button);
         ImageButton rightButton = (ImageButton) mAppHeader.findViewById(R.id.right_button);

         bindButton(leftButton, mLeftAction);
         bindButton(rightButton, mRightAction);
     }

     private void bindButton(ImageButton button, @ActionType int action) {
         if (button == null) {
             return;
         }
         switch (action) {
             case ActionType.ACTION_APP_INFO: {
                 if (mPackageName == null || mPackageName.equals(Utils.OS_PKG)
                         || mUid == UserHandle.USER_NULL
                         || !AppHeader.includeAppInfo(mFragment)) {
                     button.setVisibility(View.GONE);
                 } else {
                     button.setContentDescription(
                             mContext.getString(R.string.application_info_label));
                     button.setImageResource(com.android.settings.R.drawable.ic_info);
                     button.setOnClickListener(v -> AppInfoBase.startAppInfoFragment(
                             InstalledAppDetails.class, R.string.application_info_label,
                             mPackageName, mUid, mFragment, 0 /* request */, mMetricsCategory));
                     button.setVisibility(View.VISIBLE);
                 }
                 return;
             }
             case ActionType.ACTION_STORE_DEEP_LINK: {
                 final Intent intent = new Intent(Intent.ACTION_SHOW_APP_INFO)
                         .setPackage(getInstallerPackageName(mContext, mPackageName));
                 final Intent result = resolveIntent(intent);
                 if (result == null) {
                     button.setVisibility(View.GONE);
                 } else {
                     result.putExtra(Intent.EXTRA_PACKAGE_NAME, mPackageName);
                     button.setImageResource(R.drawable.ic_sim_sd);
                     button.setOnClickListener(v -> mFragment.startActivity(intent));
                     button.setVisibility(View.VISIBLE);
                 }
                 return;
             }
             case ActionType.ACTION_NOTIF_PREFERENCE: {
                 if (mAppNotifPrefIntent == null) {
                     button.setVisibility(View.GONE);
                 } else {
                     button.setOnClickListener(v -> mFragment.startActivity(mAppNotifPrefIntent));
                     button.setVisibility(View.VISIBLE);
                 }
                 return;
             }
             case ActionType.ACTION_APP_PREFERENCE: {
                 final Intent intent = resolveIntent(
                         new Intent(Intent.ACTION_APPLICATION_PREFERENCES).setPackage(mPackageName));
                 if (intent == null) {
                     button.setVisibility(View.GONE);
                     return;
                 }
                 button.setOnClickListener(v -> mFragment.startActivity(intent));
                 button.setVisibility(View.VISIBLE);
                 return;
             }
             case ActionType.ACTION_NONE: {
                 button.setVisibility(View.GONE);
                 return;
             }
         }
     }

     private String getInstallerPackageName(Context context, String packageName) {
         try {
             return context.getPackageManager().getInstallerPackageName(packageName);
         } catch (IllegalArgumentException e) {
             Log.e(TAG, "Exception while retrieving the package installer of " + packageName, e);
             return null;
         }
     }

     private Intent resolveIntent(Intent i) {
         ResolveInfo result = mContext.getPackageManager().resolveActivity(i, 0);
         if (result != null) {
             return new Intent(i.getAction())
                     .setClassName(result.activityInfo.packageName, result.activityInfo.name);
         }
         return null;
     }

     private void setText(@IdRes int id, CharSequence text) {
         TextView textView = (TextView) mAppHeader.findViewById(id);
         if (textView != null) {
             textView.setText(text);
             textView.setVisibility(TextUtils.isEmpty(text) ? View.GONE : View.VISIBLE);
         }
     }
 }
	/*
	* Copyright (C) 2016 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.settings.applications;

	import android.annotation.IdRes;
	import android.annotation.UserIdInt;
	import android.app.Fragment;
	import android.content.Context;
	import android.content.Intent;
	import android.content.pm.PackageInfo;
	import android.content.pm.ResolveInfo;
	import android.content.res.Resources;
	import android.graphics.drawable.Drawable;
	import android.os.UserHandle;
	import android.support.annotation.IntDef;
	import android.text.TextUtils;
	import android.util.Log;
	import android.view.LayoutInflater;
	import android.view.View;
	import android.widget.ImageButton;
	import android.widget.ImageView;
	import android.widget.TextView;
	import com.android.settings.AppHeader;
	import com.android.settings.R;
	import com.android.settings.Utils;
	import com.android.settings.overlay.FeatureFactory;
	import com.android.settingslib.applications.ApplicationsState;

	import java.lang.annotation.Retention;
	import java.lang.annotation.RetentionPolicy;

	public class AppHeaderController {

	@IntDef({ActionType.ACTION_NONE,
	ActionType.ACTION_APP_INFO,
	ActionType.ACTION_APP_PREFERENCE,
	ActionType.ACTION_STORE_DEEP_LINK,
	ActionType.ACTION_NOTIF_PREFERENCE})
	@Retention(RetentionPolicy.SOURCE)
	public @interface ActionType {
	int ACTION_NONE = 0;
	int ACTION_APP_INFO = 1;
	int ACTION_STORE_DEEP_LINK = 2;
	int ACTION_APP_PREFERENCE = 3;
	int ACTION_NOTIF_PREFERENCE = 4;
	}

	public static final String PREF_KEY_APP_HEADER = "pref_app_header";

	private static final String TAG = "AppDetailFeature";

	private final Context mContext;
	private final Fragment mFragment;
	private final int mMetricsCategory;
	private final View mAppHeader;

	private Drawable mIcon;
	private CharSequence mLabel;
	private CharSequence mSummary;
	private String mPackageName;
	private Intent mAppNotifPrefIntent;
	@UserIdInt
	private int mUid = UserHandle.USER_NULL;
	@ActionType
	private int mLeftAction;
	@ActionType
	private int mRightAction;

	private boolean mIsInstantApp;

	public AppHeaderController(Context context, Fragment fragment, View appHeader) {
	mContext = context;
	mFragment = fragment;
	mMetricsCategory = FeatureFactory.getFactory(context).getMetricsFeatureProvider()
	.getMetricsCategory(fragment);
	if (appHeader != null) {
	mAppHeader = appHeader;
	} else {
	mAppHeader = LayoutInflater.from(mContext)
	.inflate(R.layout.app_details, null /* root */);
	}
	}

	public AppHeaderController setIcon(Drawable icon) {
	if (icon != null) {
	mIcon = icon.getConstantState().newDrawable(mContext.getResources());
	}
	return this;
	}

	public AppHeaderController setIcon(ApplicationsState.AppEntry appEntry) {
	if (appEntry.icon != null) {
	mIcon = appEntry.icon.getConstantState().newDrawable(mContext.getResources());
	}
	return this;
	}

	public AppHeaderController setLabel(CharSequence label) {
	mLabel = label;
	return this;
	}

	public AppHeaderController setLabel(ApplicationsState.AppEntry appEntry) {
	mLabel = appEntry.label;
	return this;
	}

	public AppHeaderController setSummary(CharSequence summary) {
	mSummary = summary;
	return this;
	}

	public AppHeaderController setSummary(PackageInfo packageInfo) {
	if (packageInfo != null) {
	mSummary = packageInfo.versionName;
	}
	return this;
	}

	public AppHeaderController setButtonActions(@ActionType int leftAction,
	@ActionType int rightAction) {
	mLeftAction = leftAction;
	mRightAction = rightAction;
	return this;
	}

	public AppHeaderController setPackageName(String packageName) {
	mPackageName = packageName;
	return this;
	}

	public AppHeaderController setUid(int uid) {
	mUid = uid;
	return this;
	}

	public AppHeaderController setAppNotifPrefIntent(Intent appNotifPrefIntent) {
	mAppNotifPrefIntent = appNotifPrefIntent;
	return this;
	}

	public AppHeaderController setIsInstantApp(boolean isInstantApp) {
	this.mIsInstantApp = isInstantApp;
	return this;
	}

	/**
	* Binds app header view and data from {@code PackageInfo} and {@code AppEntry}.
	*/
	public void bindAppHeader(PackageInfo packageInfo, ApplicationsState.AppEntry appEntry) {
	final String versionName = packageInfo == null ? null : packageInfo.versionName;
	final Resources res = mAppHeader.getResources();

	// Set Icon
	final ImageView iconView = (ImageView) mAppHeader.findViewById(R.id.app_detail_icon);
	if (appEntry.icon != null) {
	iconView.setImageDrawable(appEntry.icon.getConstantState().newDrawable(res));
	}

	// Set application name.
	final TextView labelView = (TextView) mAppHeader.findViewById(R.id.app_detail_title);
	labelView.setText(appEntry.label);

	// Version number of application
	final TextView appVersion = (TextView) mAppHeader.findViewById(R.id.app_detail_summary);

	if (!TextUtils.isEmpty(versionName)) {
	appVersion.setSelected(true);
	appVersion.setVisibility(View.VISIBLE);
	appVersion.setText(res.getString(R.string.version_text, String.valueOf(versionName)));
	} else {
	appVersion.setVisibility(View.INVISIBLE);
	}
	}

	/**
	* Done mutating appheader, rebinds everything and return a new {@link LayoutPreference}.
	*/
	public LayoutPreference done(Context context) {
	final LayoutPreference pref = new LayoutPreference(context, done());
	// Makes sure it's the first preference onscreen.
	pref.setOrder(-1000);
	pref.setKey(PREF_KEY_APP_HEADER);
	return pref;
	}

	/**
	* Done mutating appheader, rebinds everything.
	*/
	public View done() {
	return done(true);
	}

	/**
	* Done mutating appheader, rebinds everything (optionally skip rebinding buttons).
	*/
	public View done(boolean rebindActions) {
	ImageView iconView = (ImageView) mAppHeader.findViewById(R.id.app_detail_icon);
	if (iconView != null) {
	iconView.setImageDrawable(mIcon);
	}
	setText(R.id.app_detail_title, mLabel);
	setText(R.id.app_detail_summary, mSummary);
	if (rebindActions) {
	bindAppHeaderButtons();
	}

	if (mIsInstantApp) {
	setText(R.id.install_type,
	mAppHeader.getResources().getString(R.string.install_type_instant));
	}

	return mAppHeader;
	}

	/**
	* Only binds app header with button actions.
	*/
	public void bindAppHeaderButtons() {
	ImageButton leftButton = (ImageButton) mAppHeader.findViewById(R.id.left_button);
	ImageButton rightButton = (ImageButton) mAppHeader.findViewById(R.id.right_button);

	bindButton(leftButton, mLeftAction);
	bindButton(rightButton, mRightAction);
	}

	private void bindButton(ImageButton button, @ActionType int action) {
	if (button == null) {
	return;
	}
	switch (action) {
	case ActionType.ACTION_APP_INFO: {
	if (mPackageName == null \|\| mPackageName.equals(Utils.OS_PKG)
	\|\| mUid == UserHandle.USER_NULL
	\|\| !AppHeader.includeAppInfo(mFragment)) {
	button.setVisibility(View.GONE);
	} else {
	button.setContentDescription(
	mContext.getString(R.string.application_info_label));
	button.setImageResource(com.android.settings.R.drawable.ic_info);
	button.setOnClickListener(v -> AppInfoBase.startAppInfoFragment(
	InstalledAppDetails.class, R.string.application_info_label,
	mPackageName, mUid, mFragment, 0 /* request */, mMetricsCategory));
	button.setVisibility(View.VISIBLE);
	}
	return;
	}
	case ActionType.ACTION_STORE_DEEP_LINK: {
	final Intent intent = new Intent(Intent.ACTION_SHOW_APP_INFO)
	.setPackage(getInstallerPackageName(mContext, mPackageName));
	final Intent result = resolveIntent(intent);
	if (result == null) {
	button.setVisibility(View.GONE);
	} else {
	result.putExtra(Intent.EXTRA_PACKAGE_NAME, mPackageName);
	button.setImageResource(R.drawable.ic_sim_sd);
	button.setOnClickListener(v -> mFragment.startActivity(intent));
	button.setVisibility(View.VISIBLE);
	}
	return;
	}
	case ActionType.ACTION_NOTIF_PREFERENCE: {
	if (mAppNotifPrefIntent == null) {
	button.setVisibility(View.GONE);
	} else {
	button.setOnClickListener(v -> mFragment.startActivity(mAppNotifPrefIntent));
	button.setVisibility(View.VISIBLE);
	}
	return;
	}
	case ActionType.ACTION_APP_PREFERENCE: {
	final Intent intent = resolveIntent(
	new Intent(Intent.ACTION_APPLICATION_PREFERENCES).setPackage(mPackageName));
	if (intent == null) {
	button.setVisibility(View.GONE);
	return;
	}
	button.setOnClickListener(v -> mFragment.startActivity(intent));
	button.setVisibility(View.VISIBLE);
	return;
	}
	case ActionType.ACTION_NONE: {
	button.setVisibility(View.GONE);
	return;
	}
	}
	}

	private String getInstallerPackageName(Context context, String packageName) {
	try {
	return context.getPackageManager().getInstallerPackageName(packageName);
	} catch (IllegalArgumentException e) {
	Log.e(TAG, "Exception while retrieving the package installer of " + packageName, e);
	return null;
	}
	}

	private Intent resolveIntent(Intent i) {
	ResolveInfo result = mContext.getPackageManager().resolveActivity(i, 0);
	if (result != null) {
	return new Intent(i.getAction())
	.setClassName(result.activityInfo.packageName, result.activityInfo.name);
	}
	return null;
	}

	private void setText(@IdRes int id, CharSequence text) {
	TextView textView = (TextView) mAppHeader.findViewById(id);
	if (textView != null) {
	textView.setText(text);
	textView.setVisibility(TextUtils.isEmpty(text) ? View.GONE : View.VISIBLE);
	}
	}
	}