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Add window setDecorView API.

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Add a Window API for setting a view which will be placed in
the decoration area (next to the window control buttons).

Change-Id: Ie106cbea653ff95fdba987a2a43506d394600612
This commit is contained in:
Robert Carr
2015-10-22 12:03:28 -07:00
parent 1e4313dfd0
commit b6c2624c8d
9 changed files with 83 additions and 41 deletions
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2
api/current.txt
View File

@@ -37441,6 +37441,8 @@ package android.view {
method public abstract void setContentView(int);
method public abstract void setContentView(android.view.View);
method public abstract void setContentView(android.view.View, android.view.ViewGroup.LayoutParams);
method public abstract void setDecorView(android.view.View);
method public abstract void setDecorView(int);
method protected void setDefaultWindowFormat(int);
method public void setDimAmount(float);
method public void setElevation(float);

2
api/system-current.txt
View File

@@ -39738,6 +39738,8 @@ package android.view {
method public abstract void setContentView(int);
method public abstract void setContentView(android.view.View);
method public abstract void setContentView(android.view.View, android.view.ViewGroup.LayoutParams);
method public abstract void setDecorView(android.view.View);
method public abstract void setDecorView(int);
method protected void setDefaultWindowFormat(int);
method public void setDimAmount(float);
method public void setDisableWallpaperTouchEvents(boolean);

21
core/java/android/view/Window.java
View File

@@ -1155,6 +1155,27 @@ public abstract class Window {
*/
public abstract void setContentView(View view);
/**
* Install a view in the decoration (title) area, to be shown when
* the window is in multi-window mode. This view will be placed
* next to the window controls.
*
* The view may be restored to defaults by passing null.
*
* @param view The desired view to display in window decorations.
*/
public abstract void setDecorView(View view);
/**
* Convenience for
* {@link #setDecorView(View)}
* to set the custom window decoration from a layout resource. The layout will be inflated
* adding all top level views to the decoration
*
* @param layoutResID Resource ID to be inflated.
*/
public abstract void setDecorView(@LayoutRes int layoutResID);
/**
* Set the screen content to an explicit view. This view is placed
* directly into the screen's view hierarchy. It can itself be a complex

25
core/java/com/android/internal/policy/PhoneWindow.java
View File

@@ -123,6 +123,7 @@ import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.view.animation.Interpolator;
import android.widget.FrameLayout;
import android.widget.LinearLayout;
import android.widget.ImageView;
import android.widget.PopupWindow;
import android.widget.ProgressBar;
@@ -468,6 +469,30 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {
}
}
@Override
public void setDecorView(int layoutResID) {
View v = mLayoutInflater.inflate(layoutResID, null);
setDecorView(v);
}
@Override
public void setDecorView(View view) {
if (mContentParent == null) {
installDecor();
}
LinearLayout clientDecorPlaceholder =
(LinearLayout) findViewById(R.id.client_decor_placeholder);
if (clientDecorPlaceholder != null) {
clientDecorPlaceholder.removeAllViews();
if (view != null) {
clientDecorPlaceholder.addView(view);
}
}
}
@Override
public void addContentView(View view, ViewGroup.LayoutParams params) {
if (mContentParent == null) {

46
core/java/com/android/internal/widget/NonClientDecorView.java
View File

@@ -428,8 +428,7 @@ public class NonClientDecorView extends LinearLayout
// The render nodes for the multi threaded renderer.
private ThreadedRenderer mRenderer;
private RenderNode mFrameNode;
private RenderNode mBackdropNode;
private RenderNode mFrameAndBackdropNode;
private final Rect mOldTargetRect = new Rect();
private final Rect mNewTargetRect = new Rect();
@@ -450,13 +449,11 @@ public class NonClientDecorView extends LinearLayout
setName("ResizeFrame");
mRenderer = renderer;
// Create the render nodes for our frame and backdrop which can be resized independently
// from the content.
mFrameNode = RenderNode.create("FrameNode", null);
mBackdropNode = RenderNode.create("BackdropNode", null);
// Create a render node for the content and frame backdrop
// which can be resized independently from the content.
mFrameAndBackdropNode = RenderNode.create("FrameAndBackdropNode", null);
mRenderer.addRenderNode(mFrameNode, false);
mRenderer.addRenderNode(mBackdropNode, true);
mRenderer.addRenderNode(mFrameAndBackdropNode, true);
// Set the initial bounds and draw once so that we do not get a broken frame.
mTargetRect.set(initialBounds);
@@ -504,10 +501,9 @@ public class NonClientDecorView extends LinearLayout
// Invalidate the current content bounds.
mRenderer.setContentDrawBounds(0, 0, 0, 0);
// Remove the render nodes again
// Remove the render node again
// (see comment above - better to do that only once).
mRenderer.removeRenderNode(mFrameNode);
mRenderer.removeRenderNode(mBackdropNode);
mRenderer.removeRenderNode(mFrameAndBackdropNode);
mRenderer = null;
@@ -575,7 +571,7 @@ public class NonClientDecorView extends LinearLayout
mRenderer.setContentDrawBounds(
mLastXOffset,
mLastYOffset + mLastCaptionHeight,
mLastYOffset,
mLastXOffset + mLastContentWidth,
mLastYOffset + mLastCaptionHeight + mLastContentHeight);
// If this was the first call and changeWindowSizeLocked got already called prior
@@ -623,30 +619,20 @@ public class NonClientDecorView extends LinearLayout
final int width = newBounds.width();
final int height = newBounds.height();
// Produce the draw calls.
// TODO(skuhne): Create a separate caption view which draws this. If the shadow should
// be resized while the window resizes, this hierarchy needs to have the elevation.
// That said - it is probably no good idea to draw the shadow every time since it costs
// a considerable time which we should rather spend for resizing the content and it does
// barely show while the entire screen is moving.
mFrameNode.setLeftTopRightBottom(left, top, left + width, top + mLastCaptionHeight);
DisplayListCanvas canvas = mFrameNode.start(width, height);
mFrameAndBackdropNode.setLeftTopRightBottom(left, top, left + width, top + height);
// Draw the caption and content backdrops in to our render node.
DisplayListCanvas canvas = mFrameAndBackdropNode.start(width, height);
mCaptionBackgroundDrawable.setBounds(0, 0, left + width, top + mLastCaptionHeight);
mCaptionBackgroundDrawable.draw(canvas);
mFrameNode.end(canvas);
mBackdropNode.setLeftTopRightBottom(left, top + mLastCaptionHeight, left + width,
top + height);
// The backdrop: clear everything with the background. Clipping is done elsewhere.
canvas = mBackdropNode.start(width, height - mLastCaptionHeight);
mResizingBackgroundDrawable.setBounds(0, 0, left + width, top + height);
mResizingBackgroundDrawable.setBounds(0, mLastCaptionHeight, left + width, top + height);
mResizingBackgroundDrawable.draw(canvas);
mBackdropNode.end(canvas);
mFrameAndBackdropNode.end(canvas);
// We need to render both rendered nodes explicitly.
mRenderer.drawRenderNode(mFrameNode);
mRenderer.drawRenderNode(mBackdropNode);
// We need to render the node explicitly
mRenderer.drawRenderNode(mFrameAndBackdropNode);
reportDrawIfNeeded();
}

5
core/res/res/layout/non_client_decor_dark.xml
View File

@@ -29,10 +29,11 @@
android:background="@drawable/non_client_decor_title"
android:focusable="false"
android:descendantFocusability="blocksDescendants" >
<TextView
<LinearLayout
android:id="@+id/client_decor_placeholder"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1" />
android:layout_weight="1"/>
<Button
android:id="@+id/maximize_window"
android:layout_width="32dp"

5
core/res/res/layout/non_client_decor_light.xml
View File

@@ -29,10 +29,11 @@
android:background="@drawable/non_client_decor_title"
android:focusable="false"
android:descendantFocusability="blocksDescendants" >
<TextView
<LinearLayout
android:id="@+id/client_decor_placeholder"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1" />
android:layout_weight="1"/>
<Button
android:id="@+id/maximize_window"
android:layout_width="32dp"

1
core/res/res/values/symbols.xml
View File

@@ -1956,6 +1956,7 @@
<java-symbol type="bool" name="config_built_in_sip_phone" />
<java-symbol type="id" name="maximize_window" />
<java-symbol type="id" name="close_window" />
<java-symbol type="id" name="client_decor_placeholder" />
<java-symbol type="layout" name="non_client_decor_light" />
<java-symbol type="layout" name="non_client_decor_dark" />
<java-symbol type="drawable" name="non_client_decor_title_focused" />

17
libs/hwui/renderthread/CanvasContext.cpp
View File

@@ -332,22 +332,24 @@ void CanvasContext::draw() {
dirty.fLeft, dirty.fTop, dirty.fRight, dirty.fBottom, mOpaque);
Rect outBounds;
// It there are multiple render nodes, they are as follows:
// #0 - backdrop
// It there are multiple render nodes, they are laid out as follows:
// #0 - backdrop (content + caption)
// #1 - content (positioned at (0,0) and clipped to - its bounds mContentDrawBounds)
// #2 - frame
// #2 - additional overlay nodes
// Usually the backdrop cannot be seen since it will be entirely covered by the content. While
// resizing however it might become partially visible. The following render loop will crop the
// backdrop against the content and draw the remaining part of it. It will then crop the content
// against the backdrop (since that indicates a shrinking of the window) and then the frame
// around everything.
// backdrop against the content and draw the remaining part of it. It will then draw the content
// cropped to the backdrop (since that indicates a shrinking of the window).
//
// Additional nodes will be drawn on top with no particular clipping semantics.
// The bounds of the backdrop against which the content should be clipped.
Rect backdropBounds = mContentDrawBounds;
// Usually the contents bounds should be mContentDrawBounds - however - we will
// move it towards the fixed edge to give it a more stable appearance (for the moment).
Rect contentBounds;
// If there is no content bounds we ignore the layering as stated above and start with 2.
int layer = (mContentDrawBounds.isEmpty() || mRenderNodes.size() <= 2) ? 2 : 0;
int layer = (mContentDrawBounds.isEmpty() || mRenderNodes.size() == 1) ? 2 : 0;
// Draw all render nodes. Note that
for (const sp<RenderNode>& node : mRenderNodes) {
if (layer == 0) { // Backdrop.
@@ -424,6 +426,7 @@ void CanvasContext::draw() {
const float dy = backdropBounds.top - top;
const float width = backdropBounds.getWidth();
const float height = backdropBounds.getHeight();
mCanvas->translate(dx, dy);
if (mCanvas->clipRect(left, top, left + width, top + height, SkRegion::kIntersect_Op)) {
mCanvas->drawRenderNode(node.get(), outBounds);