Cling ALL the things! (Workspace and AllApps)

Change-Id: Iee6b38dbb4f0b2fb85f854d70fd86db1e7b1d8f7

1 files changed, 303 insertions, 0 deletions

diff --git a/src/com/android/launcher2/Cling.java b/src/com/android/launcher2/Cling.java
new file mode 100644
index 000000000..ae8dd4319
--- /dev/null
+++ b/src/com/android/launcher2/Cling.java
@@ -0,0 +1,303 @@
+/*
+ * Copyright (C) 2011 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.launcher2;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.content.res.TypedArray;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.Point;
+import android.graphics.drawable.Drawable;
+import android.util.AttributeSet;
+import android.util.DisplayMetrics;
+import android.view.View;
+import android.widget.FrameLayout;
+
+import com.android.launcher.R;
+
+public class Cling extends FrameLayout {
+
+    private static String WORKSPACE_PORTRAIT = "workspace_portrait";
+    private static String WORKSPACE_LANDSCAPE = "workspace_landscape";
+    private static String ALLAPPS_PORTRAIT = "all_apps_portrait";
+    private static String ALLAPPS_LANDSCAPE = "all_apps_landscape";
+
+    private Launcher mLauncher;
+    private boolean mIsInitialized;
+    private String mDrawIdentifier;
+    private Drawable mPunchThroughGraphic;
+    private int mPunchThroughGraphicCenterRadius;
+    private int mAppIconSize;
+    private int mTabBarHeight;
+    private int mTabBarHorizontalPadding;
+
+    View mWorkspaceDesc1;
+    View mWorkspaceDesc2;
+    View mAllAppsDesc;
+
+    public Cling(Context context) {
+        this(context, null, 0);
+    }
+
+    public Cling(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public Cling(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+
+        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.Cling, defStyle, 0);
+        mDrawIdentifier = a.getString(R.styleable.Cling_drawIdentifier);
+        a.recycle();
+    }
+
+    void init(Launcher l) {
+        if (!mIsInitialized) {
+            mLauncher = l;
+
+            Resources r = getContext().getResources();
+            mPunchThroughGraphic = r.getDrawable(R.drawable.cling);
+            mPunchThroughGraphicCenterRadius =
+                r.getDimensionPixelSize(R.dimen.clingPunchThroughGraphicCenterRadius);
+            mAppIconSize = r.getDimensionPixelSize(R.dimen.app_icon_size);
+            mTabBarHeight = r.getDimensionPixelSize(R.dimen.apps_customize_tab_bar_height);
+            mTabBarHorizontalPadding =
+                r.getDimensionPixelSize(R.dimen.toolbar_button_horizontal_padding);
+
+            mWorkspaceDesc1 = findViewById(R.id.workspace_cling_move_item);
+            mWorkspaceDesc2 = findViewById(R.id.workspace_cling_open_all_apps);
+            mAllAppsDesc = findViewById(R.id.all_apps_cling_add_item);
+            mIsInitialized = true;
+        }
+    }
+
+    void cleanup() {
+        mPunchThroughGraphic = null;
+    }
+
+    @Override
+    public boolean onTouchEvent(android.view.MotionEvent event) {
+        // Do nothing
+        return true;
+    };
+
+    @Override
+    protected void dispatchDraw(Canvas canvas) {
+        // Draw the rest of the cling
+        super.dispatchDraw(canvas);
+
+        if (mIsInitialized) {
+            DisplayMetrics metrics = new DisplayMetrics();
+            mLauncher.getWindowManager().getDefaultDisplay().getMetrics(metrics);
+            int dotRadius = (int) (6f * metrics.density);
+
+            Paint p = new Paint();
+            p.setAntiAlias(true);
+            p.setColor(0xFF49C0EC);
+
+            if (mDrawIdentifier.equals(WORKSPACE_PORTRAIT)) {
+                /* Draw the all apps line */ {
+                    FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams)
+                            mWorkspaceDesc2.getLayoutParams();
+                    int[] loc = new int[2];
+                    mWorkspaceDesc2.getLocationInWindow(loc);
+                    int x = loc[0];
+                    int xOffset = (int) (10f * metrics.density);
+                    int y = loc[1];
+                    int yOffset = (int) (30f * metrics.density);
+                    int w = mWorkspaceDesc2.getWidth();
+                    int h = mWorkspaceDesc2.getHeight();
+
+                    Point p1 = new Point(x + w + xOffset, y - (2 * dotRadius));
+                    Point p2 = new Point(getMeasuredWidth() / 2, getMeasuredHeight() -
+                            mAppIconSize / 2 - yOffset);
+                    canvas.drawCircle(p1.x, p1.y, dotRadius, p);
+                    canvas.drawCircle(p2.x, p2.y, dotRadius, p);
+
+                    Point p3 = new Point(p1.x, (int) (p1.y + (p2.y - p1.y) * 0.30f));
+                    Point p4 = new Point(p2.x, (int) (p1.y + (p2.y - p1.y) * 0.55f));
+                    canvas.drawLine(p1.x, p1.y, p3.x, p3.y, p);
+                    canvas.drawLine(p3.x, p3.y, p4.x, p4.y, p);
+                    canvas.drawLine(p4.x, p4.y, p2.x, p2.y, p);
+                }
+
+                /* Draw the move line */ {
+                    FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams)
+                            mWorkspaceDesc1.getLayoutParams();
+                    int[] loc = new int[2];
+                    mWorkspaceDesc1.getLocationInWindow(loc);
+                    int x = loc[0];
+                    int y = loc[1];
+                    int w = mWorkspaceDesc1.getWidth();
+                    int h = mWorkspaceDesc1.getHeight();
+
+                    Point p1 = new Point(x + w, y - (2 * dotRadius));
+                    Point p2 = new Point(x + w, getMeasuredHeight() - (4 * mAppIconSize));
+                    canvas.drawCircle(p1.x, p1.y, dotRadius, p);
+                    canvas.drawCircle(p2.x, p2.y, dotRadius, p);
+                    canvas.drawLine(p1.x, p1.y, p2.x, p2.y, p);
+                }
+            } else if (mDrawIdentifier.equals(WORKSPACE_LANDSCAPE)) {
+                int xOffset = (int) (1.5f * mAppIconSize);
+                /* Draw the all apps line */ {
+                    FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams)
+                            mWorkspaceDesc2.getLayoutParams();
+                    int[] loc = new int[2];
+                    mWorkspaceDesc2.getLocationInWindow(loc);
+                    int x = loc[0];
+                    int y = loc[1];
+                    int w = mWorkspaceDesc2.getWidth();
+                    int h = mWorkspaceDesc2.getHeight();
+
+                    Point p1 = new Point(x + w, y - (2 * dotRadius));
+                    Point p2 = new Point(getMeasuredWidth() - xOffset,
+                            getMeasuredHeight() / 2);
+                    canvas.drawCircle(p1.x, p1.y, dotRadius, p);
+                    canvas.drawCircle(p2.x, p2.y, dotRadius, p);
+
+                    Point p3 = new Point((int) (p1.x + (p2.x - p1.x) * 0.6f), p1.y);
+                    Point p4 = new Point((int) (p1.x + (p2.x - p1.x) * 0.75f), p2.y);
+                    canvas.drawLine(p1.x, p1.y, p3.x, p3.y, p);
+                    canvas.drawLine(p3.x, p3.y, p4.x, p4.y, p);
+                    canvas.drawLine(p4.x, p4.y, p2.x, p2.y, p);
+                }
+
+                /* Draw the move line */ {
+                    FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams)
+                            mWorkspaceDesc1.getLayoutParams();
+                    int[] loc = new int[2];
+                    mWorkspaceDesc1.getLocationInWindow(loc);
+                    int x = loc[0];
+                    int y = loc[1];
+                    int w = mWorkspaceDesc1.getWidth();
+                    int h = mWorkspaceDesc1.getHeight();
+
+                    Point p1 = new Point(x + w, y - (2 * dotRadius));
+                    Point p2 = new Point(getMeasuredWidth() - xOffset, y - (2 * dotRadius));
+                    canvas.drawCircle(p1.x, p1.y, dotRadius, p);
+                    canvas.drawCircle(p2.x, p2.y, dotRadius, p);
+                    canvas.drawLine(p1.x, p1.y, p2.x, p2.y, p);
+                }
+            } else if (mDrawIdentifier.equals(ALLAPPS_PORTRAIT)) {
+                float r = mAppIconSize * 1.1f;
+                float scale = r / mPunchThroughGraphicCenterRadius;
+                int dw = (int) (scale * mPunchThroughGraphic.getIntrinsicWidth());
+                int dh = (int) (scale * mPunchThroughGraphic.getIntrinsicHeight());
+                int cx = getMeasuredWidth() / 2;
+                int cy = mTabBarHeight + ((getMeasuredHeight() - mTabBarHeight) / 2);
+                mPunchThroughGraphic.setBounds(cx - dw/2, cy - dh/2, cx + dw/2, cy + dh/2);
+                mPunchThroughGraphic.draw(canvas);
+
+                /* Draw the line */ {
+                    FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams)
+                            mAllAppsDesc.getLayoutParams();
+                    int[] loc = new int[2];
+                    mAllAppsDesc.getLocationInWindow(loc);
+                    int x = loc[0];
+                    int y = loc[1];
+                    int yOffset = (int) (2.5f * metrics.density);
+                    int w = mAllAppsDesc.getWidth();
+                    int h = mAllAppsDesc.getHeight();
+
+                    Point p1 = new Point(getMeasuredWidth() / 2, y + h + yOffset);
+                    Point p2 = new Point(cx, cy);
+                    canvas.drawCircle(p1.x, p1.y, dotRadius, p);
+                    canvas.drawCircle(p2.x, p2.y, dotRadius, p);
+                    canvas.drawLine(p1.x, p1.y, p2.x, p2.y, p);
+                }
+            } else if (mDrawIdentifier.equals(ALLAPPS_LANDSCAPE)) {
+                float r = mAppIconSize * 1.1f;
+                float scale = r / mPunchThroughGraphicCenterRadius;
+                int dw = (int) (scale * mPunchThroughGraphic.getIntrinsicWidth());
+                int dh = (int) (scale * mPunchThroughGraphic.getIntrinsicHeight());
+                int cx = getMeasuredWidth() / 2 + getMeasuredWidth() / 4;
+                int cy = mTabBarHeight + ((getMeasuredHeight() - mTabBarHeight) / 2);
+                mPunchThroughGraphic.setBounds(cx - dw/2, cy - dh/2, cx + dw/2, cy + dh/2);
+                mPunchThroughGraphic.draw(canvas);
+
+                /* Draw the line */ {
+                    FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams)
+                            mAllAppsDesc.getLayoutParams();
+                    int[] loc = new int[2];
+                    mAllAppsDesc.getLocationInWindow(loc);
+                    int x = loc[0];
+                    int y = loc[1];
+                    int w = mAllAppsDesc.getWidth();
+                    int h = mAllAppsDesc.getHeight();
+
+                    Point p1 = new Point(x + w, y);
+                    Point p2 = new Point(cx, cy);
+                    canvas.drawCircle(p1.x, p1.y, dotRadius, p);
+                    canvas.drawCircle(p2.x, p2.y, dotRadius, p);
+                    canvas.drawLine(p1.x, p1.y, p2.x, p2.y, p);
+                }
+            }
+
+            /*
+            // Draw the background
+            Bitmap b = Bitmap.createBitmap(getMeasuredWidth(), getMeasuredHeight(),
+                    Bitmap.Config.ARGB_8888);
+            Canvas c = new Canvas(b);
+            c.drawColor(0xD4000000);
+            Paint p = new Paint();
+            p.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.MULTIPLY));
+            p.setColor(0xFFFFFF);
+            p.setAlpha(0);
+
+            int cx = -1;
+            int cy = -1;
+            float r = mAppIconSize * 1.4f;
+            float scale = r / mPunchThroughGraphicCenterRadius;
+            int dw = (int) (scale * mPunchThroughGraphic.getIntrinsicWidth());
+            int dh = (int) (scale * mPunchThroughGraphic.getIntrinsicHeight());
+
+            if (mDrawIdentifier.equals("workspace_portrait")) {
+                cx = getMeasuredWidth() / 2;
+                cy = getMeasuredHeight() - mAppIconSize / 2;
+            } else if (mDrawIdentifier.equals("workspace_landscape")) {
+                cx = getMeasuredWidth() - mAppIconSize / 2;
+                cy = getMeasuredHeight() / 2;
+            } else if (mDrawIdentifier.equals("large_workspace_landscape") ||
+                       mDrawIdentifier.equals("large_workspace_portrait")) {
+                cx = getMeasuredWidth() - mTabBarHorizontalPadding;
+                cy = 0;
+            } else if (mDrawIdentifier.equals("all_apps_portrait")) {
+                cx = getMeasuredWidth() / 2;
+                cy = mTabBarHeight + ((getMeasuredHeight() - mTabBarHeight) / 2);
+            } else if (mDrawIdentifier.equals("all_apps_landscape")) {
+                cx = getMeasuredWidth() / 2 + getMeasuredWidth() / 4;
+                cy = mTabBarHeight + ((getMeasuredHeight() - mTabBarHeight) / 2);
+            } else if (mDrawIdentifier.equals("large_all_apps_portrait")) {
+                cx = getMeasuredWidth() / 2;
+                cy = mTabBarHeight + (int) ((getMeasuredHeight() - mTabBarHeight) * 2f / 5f);
+            } else if (mDrawIdentifier.equals("large_all_apps_landscape")) {
+                cx = getMeasuredWidth() / 2 + getMeasuredWidth() / 6;
+                cy = mTabBarHeight + (int) ((getMeasuredHeight() - mTabBarHeight) * 2f / 5f);
+            }
+            if (cx > -1 && cy > -1) {
+                c.drawCircle(cx, cy, r, p);
+                mPunchThroughGraphic.setBounds(cx - dw/2, cy - dh/2, cx + dw/2, cy + dh/2);
+                mPunchThroughGraphic.draw(c);
+            }
+            canvas.drawBitmap(b, 0, 0, null);
+            c.setBitmap(null);
+            b = null;
+            */
+        }
+    };
+}