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platform_packages_apps_Launcher3
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Allow LauncherOverlay to access and manage insets 

Change-Id: Ib9faf37eb22ad2a0b18c076978ec9f2fd8864c0c
This commit is contained in:
Adam Cohen 2014-10-23 17:28:30 -07:00
parent 4a080dcadd
commit a6d0492e5f
11 changed files with 101 additions and 67 deletions
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10
res/layout-land/launcher.xml
View File

@ -15,20 +15,20 @@
-->
<!-- Full screen view projects under the status bar and contains the background -->
<FrameLayout
<com.android.launcher3.LauncherRootView
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:launcher="http://schemas.android.com/apk/res-auto/com.android.launcher3"
android:id="@+id/launcher"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/workspace_bg">
android:background="@drawable/workspace_bg"
android:fitsSystemWindows="true">
<com.android.launcher3.DragLayer
android:id="@+id/drag_layer"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true">
android:layout_height="match_parent">
<com.android.launcher3.FocusIndicatorView
android:id="@+id/focus_indicator"
@ -70,4 +70,4 @@
android:layout_height="match_parent"
android:inflatedId="@+id/launcher_overlay"
android:layout="@layout/launcher_overlay" />
</FrameLayout>
</com.android.launcher3.LauncherRootView>

7
res/layout-port/launcher.xml
View File

@ -15,14 +15,15 @@
-->
<!-- Full screen view projects under the status bar and contains the background -->
<FrameLayout
<com.android.launcher3.LauncherRootView
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:launcher="http://schemas.android.com/apk/res-auto/com.android.launcher3"
android:id="@+id/launcher"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/workspace_bg">
android:background="@drawable/workspace_bg"
android:fitsSystemWindows="true">
<com.android.launcher3.DragLayer
android:id="@+id/drag_layer"
@ -90,4 +91,4 @@
android:layout_height="match_parent"
android:inflatedId="@+id/launcher_overlay"
android:layout="@layout/launcher_overlay" />
</FrameLayout>
</com.android.launcher3.LauncherRootView>

10
res/layout-sw720dp/launcher.xml
View File

@ -15,20 +15,20 @@
-->
<!-- Full screen view projects under the status bar and contains the background -->
<FrameLayout
<com.android.launcher3.LauncherRootView
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:launcher="http://schemas.android.com/apk/res-auto/com.android.launcher3"
android:id="@+id/launcher"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/workspace_bg">
android:background="@drawable/workspace_bg"
android:fitsSystemWindows="true">
<com.android.launcher3.DragLayer
android:id="@+id/drag_layer"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true">
android:layout_height="match_parent">
<com.android.launcher3.FocusIndicatorView
android:id="@+id/focus_indicator"
@ -90,4 +90,4 @@
android:inflatedId="@+id/launcher_overlay"
android:layout="@layout/launcher_overlay" />
</FrameLayout>
</com.android.launcher3.LauncherRootView>

2
res/layout/launcher_overlay.xml
View File

@ -14,7 +14,7 @@
limitations under the License.
-->
<FrameLayout
<com.android.launcher3.InsettableFrameLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" />

8
res/layout/launcher_overlay_example.xml
View File

@ -14,19 +14,19 @@
limitations under the License.
-->
<FrameLayout
<com.android.launcher3.InsettableFrameLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<FrameLayout
<com.android.launcher3.InsettableFrameLayout
android:id="@+id/search_overlay"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#ff00ff00"
android:visibility="invisible" />
<FrameLayout
<com.android.launcher3.InsettableFrameLayout
android:id="@+id/search_box"
android:layout_width="match_parent"
android:layout_height="48dp"
@ -34,4 +34,4 @@
android:layout_marginRight="8dp"
android:layout_marginTop="36dp"
android:background="#ffff0000" />
</FrameLayout>
</com.android.launcher3.InsettableFrameLayout>

40
src/com/android/launcher3/DragLayer.java
View File

@ -43,7 +43,7 @@ import java.util.ArrayList;
/**
* A ViewGroup that coordinates dragging across its descendants
*/
public class DragLayer extends FrameLayout implements ViewGroup.OnHierarchyChangeListener {
public class DragLayer extends InsettableFrameLayout {
private DragController mDragController;
private int[] mTmpXY = new int[2];
@ -71,8 +71,6 @@ public class DragLayer extends FrameLayout implements ViewGroup.OnHierarchyChang
private TouchCompleteListener mTouchCompleteListener;
private final Rect mInsets = new Rect();
private View mOverlayView;
private int mTopViewIndex;
private int mChildCountOnLastUpdate = -1;
@ -103,7 +101,6 @@ public class DragLayer extends FrameLayout implements ViewGroup.OnHierarchyChang
// Disable multitouch across the workspace/all apps/customize tray
setMotionEventSplittingEnabled(false);
setChildrenDrawingOrderEnabled(true);
setOnHierarchyChangeListener(this);
final Resources res = getResources();
mLeftHoverDrawable = res.getDrawable(R.drawable.page_hover_left);
@ -123,27 +120,6 @@ public class DragLayer extends FrameLayout implements ViewGroup.OnHierarchyChang
return mDragController.dispatchKeyEvent(event) || super.dispatchKeyEvent(event);
}
@Override
protected boolean fitSystemWindows(Rect insets) {
final int n = getChildCount();
for (int i = 0; i < n; i++) {
final View child = getChildAt(i);
setInsets(child, insets, mInsets);
}
mInsets.set(insets);
return true; // I'll take it from here
}
Rect getInsets() {
return mInsets;
}
@Override
public void addView(View child, int index, android.view.ViewGroup.LayoutParams params) {
super.addView(child, index, params);
setInsets(child, mInsets, new Rect());
}
public void showOverlayView(View overlayView) {
LayoutParams lp = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
mOverlayView = overlayView;
@ -158,19 +134,6 @@ public class DragLayer extends FrameLayout implements ViewGroup.OnHierarchyChang
removeView(mOverlayView);
}
private void setInsets(View child, Rect newInsets, Rect oldInsets) {
final FrameLayout.LayoutParams flp = (FrameLayout.LayoutParams) child.getLayoutParams();
if (child instanceof Insettable) {
((Insettable) child).setInsets(newInsets);
} else {
flp.topMargin += (newInsets.top - oldInsets.top);
flp.leftMargin += (newInsets.left - oldInsets.left);
flp.rightMargin += (newInsets.right - oldInsets.right);
flp.bottomMargin += (newInsets.bottom - oldInsets.bottom);
}
child.setLayoutParams(flp);
}
private boolean isEventOverFolderTextRegion(Folder folder, MotionEvent ev) {
getDescendantRectRelativeToSelf(folder.getEditTextRegion(), mHitRect);
if (mHitRect.contains((int) ev.getX(), (int) ev.getY())) {
@ -815,6 +778,7 @@ public class DragLayer extends FrameLayout implements ViewGroup.OnHierarchyChang
@Override
public void onChildViewAdded(View parent, View child) {
super.onChildViewAdded(parent, child);
if (mOverlayView != null) {
// ensure that the overlay view stays on top. we can't use drawing order for this
// because in API level 16 touch dispatch doesn't respect drawing order.

52
src/com/android/launcher3/InsettableFrameLayout.java Normal file
View File

@ -0,0 +1,52 @@
package com.android.launcher3;
import android.content.Context;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
public class InsettableFrameLayout extends FrameLayout implements
ViewGroup.OnHierarchyChangeListener, Insettable {
protected Rect mInsets = new Rect();
public InsettableFrameLayout(Context context, AttributeSet attrs) {
super(context, attrs);
setOnHierarchyChangeListener(this);
}
public void setFrameLayoutChildInsets(View child, Rect newInsets, Rect oldInsets) {
final FrameLayout.LayoutParams flp = (FrameLayout.LayoutParams) child.getLayoutParams();
if (child instanceof Insettable) {
((Insettable) child).setInsets(newInsets);
} else {
flp.topMargin += (newInsets.top - oldInsets.top);
flp.leftMargin += (newInsets.left - oldInsets.left);
flp.rightMargin += (newInsets.right - oldInsets.right);
flp.bottomMargin += (newInsets.bottom - oldInsets.bottom);
}
child.setLayoutParams(flp);
}
@Override
public void setInsets(Rect insets) {
final int n = getChildCount();
for (int i = 0; i < n; i++) {
final View child = getChildAt(i);
setFrameLayoutChildInsets(child, insets, mInsets);
}
mInsets.set(insets);
}
@Override
public void onChildViewAdded(View parent, View child) {
setFrameLayoutChildInsets(child, mInsets, new Rect());
}
@Override
public void onChildViewRemoved(View parent, View child) {
}
}

8
src/com/android/launcher3/Launcher.java
View File

@ -231,7 +231,7 @@ public class Launcher extends Activity
LauncherOverlayCallbacks mLauncherOverlayCallbacks = new LauncherOverlayCallbacksImpl();
LauncherOverlay mLauncherOverlay;
ViewGroup mLauncherOverlayView;
InsettableFrameLayout mLauncherOverlayContainer;
static final int APPWIDGET_HOST_ID = 1024;
public static final int EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT = 300;
@ -514,9 +514,9 @@ public class Launcher extends Activity
mLauncherCallbacks.onCreate(savedInstanceState);
if (mLauncherCallbacks.hasLauncherOverlay()) {
ViewStub stub = (ViewStub) findViewById(R.id.launcher_overlay_stub);
mLauncherOverlayView = (ViewGroup) stub.inflate();
mLauncherOverlay = mLauncherCallbacks.setLauncherOverlayView(mLauncherOverlayView,
mLauncherOverlayCallbacks);
mLauncherOverlayContainer = (InsettableFrameLayout) stub.inflate();
mLauncherOverlay = mLauncherCallbacks.setLauncherOverlayView(
mLauncherOverlayContainer, mLauncherOverlayCallbacks);
mWorkspace.setLauncherOverlay(mLauncherOverlay);
}
}

4
src/com/android/launcher3/LauncherCallbacks.java
View File

@ -98,11 +98,11 @@ public interface LauncherCallbacks {
/**
* Handshake to establish an overlay relationship
*
* @param overlayView Full screen overlay ViewGroup into which custom views can be placed.
* @param container Full screen overlay ViewGroup into which custom views can be placed.
* @param callbacks A set of callbacks provided by Launcher in relation to the overlay
* @return an interface used to make requests and notify the Launcher in relation to the overlay
*/
public Launcher.LauncherOverlay setLauncherOverlayView(ViewGroup overlayView,
public Launcher.LauncherOverlay setLauncherOverlayView(InsettableFrameLayout container,
Launcher.LauncherOverlayCallbacks callbacks);
}

8
src/com/android/launcher3/LauncherExtension.java
View File

@ -252,11 +252,11 @@ public class LauncherExtension extends Launcher {
}
@Override
public LauncherOverlay setLauncherOverlayView(ViewGroup overlayView,
public LauncherOverlay setLauncherOverlayView(InsettableFrameLayout container,
LauncherOverlayCallbacks callbacks) {
mLauncherOverlay.setOverlayCallbacks(callbacks);
mLauncherOverlay.setOverlayView(overlayView);
mLauncherOverlay.setOverlayContainer(container);
return mLauncherOverlay;
}
@ -335,9 +335,9 @@ public class LauncherExtension extends Launcher {
hideOverlayPanel();
}
public void setOverlayView(ViewGroup overlayView) {
public void setOverlayContainer(InsettableFrameLayout container) {
mOverlayView = (ViewGroup) getLayoutInflater().inflate(
R.layout.launcher_overlay_example, overlayView);
R.layout.launcher_overlay_example, container);
mSearchOverlay = mOverlayView.findViewById(R.id.search_overlay);
mSearchBox = mOverlayView.findViewById(R.id.search_box);
}

17
src/com/android/launcher3/LauncherRootView.java Normal file
View File

@ -0,0 +1,17 @@
package com.android.launcher3;
import android.content.Context;
import android.graphics.Rect;
import android.util.AttributeSet;
public class LauncherRootView extends InsettableFrameLayout {
public LauncherRootView(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
protected boolean fitSystemWindows(Rect insets) {
setInsets(insets);
return true; // I'll take it from here
}
}