Examples with SceneLayer org.chromium.chrome.browser.compositor.scene_layer.SceneLayer used on opensource projects

Example 1 with SceneLayer

use of org.chromium.chrome.browser.compositor.scene_layer.SceneLayer in project AndroidChromium by JackyAndroid.

the class Layout method getUpdatedSceneLayer.

/**
     * Build a {@link SceneLayer} if it hasn't already been built, and update it and return it.
     *
     * @param viewport          A viewport in which to display content.
     * @param contentViewport   The visible section of the viewport.
     * @param layerTitleCache   A layer title cache.
     * @param tabContentManager A tab content manager.
     * @param resourceManager   A resource manager.
     * @param fullscreenManager A fullscreen manager.
     * @return                  A {@link SceneLayer} that represents the content for this
     *                          {@link Layout}.
     */
public final SceneLayer getUpdatedSceneLayer(Rect viewport, Rect contentViewport, LayerTitleCache layerTitleCache, TabContentManager tabContentManager, ResourceManager resourceManager, ChromeFullscreenManager fullscreenManager) {
    updateSceneLayer(viewport, contentViewport, layerTitleCache, tabContentManager, resourceManager, fullscreenManager);
    float offsetPx = fullscreenManager != null ? fullscreenManager.getControlOffset() : 0.f;
    float dpToPx = getContext().getResources().getDisplayMetrics().density;
    float offsetDp = offsetPx / dpToPx;
    SceneLayer content = getSceneLayer();
    for (int i = 0; i < mSceneOverlays.size(); i++) {
        // If the SceneOverlay is not showing, don't bother adding it to the tree.
        if (!mSceneOverlays.get(i).isSceneOverlayTreeShowing())
            continue;
        SceneOverlayLayer overlayLayer = mSceneOverlays.get(i).getUpdatedSceneOverlayTree(layerTitleCache, resourceManager, offsetDp);
        overlayLayer.setContentTree(content);
        content = overlayLayer;
    }
    return content;
}

Example 2 with SceneLayer

use of org.chromium.chrome.browser.compositor.scene_layer.SceneLayer in project AndroidChromium by JackyAndroid.

the class CompositorView method finalizeLayers.

/**
     * Converts the layout into compositor layers. This is to be called on every frame the layout
     * is changing.
     * @param provider               Provides the layout to be rendered.
     * @param forRotation            Whether or not this is a special draw during a rotation.
     */
public void finalizeLayers(final LayoutProvider provider, boolean forRotation, final DrawingInfo progressBarDrawingInfo) {
    TraceEvent.begin("CompositorView:finalizeLayers");
    Layout layout = provider.getActiveLayout();
    if (layout == null || mNativeCompositorView == 0) {
        TraceEvent.end("CompositorView:finalizeLayers");
        return;
    }
    if (!mPreloadedResources) {
        // Attempt to prefetch any necessary resources
        mResourceManager.preloadResources(AndroidResourceType.STATIC, StaticResourcePreloads.getSynchronousResources(getContext()), StaticResourcePreloads.getAsynchronousResources(getContext()));
        mPreloadedResources = true;
    }
    // IMPORTANT: Do not do anything that impacts the compositor layer tree before this line.
    // If you do, you could inadvertently trigger follow up renders.  For further information
    // see dtrainor@, tedchoc@, or klobag@.
    // TODO(jscholler): change 1.0f to dpToPx once the native part is fully supporting dp.
    mRenderHost.getVisibleViewport(mCacheVisibleViewport);
    mCacheVisibleViewport.right = mCacheVisibleViewport.left + mSurfaceWidth;
    mCacheVisibleViewport.bottom = mCacheVisibleViewport.top + mSurfaceHeight;
    provider.getViewportPixel(mCacheViewport);
    nativeSetLayoutViewport(mNativeCompositorView, mCacheViewport.left, mCacheViewport.top, mCacheViewport.width(), mCacheViewport.height(), mCacheVisibleViewport.left, mCacheVisibleViewport.top, 1.0f);
    SceneLayer sceneLayer = provider.getUpdatedActiveSceneLayer(mCacheViewport, mCacheVisibleViewport, mLayerTitleCache, mTabContentManager, mResourceManager, provider.getFullscreenManager());
    nativeSetSceneLayer(mNativeCompositorView, sceneLayer);
    final LayoutTab[] tabs = layout.getLayoutTabsToRender();
    final int tabsCount = tabs != null ? tabs.length : 0;
    mLastLayerCount = tabsCount;
    TabModelImpl.flushActualTabSwitchLatencyMetric();
    nativeFinalizeLayers(mNativeCompositorView);
    TraceEvent.end("CompositorView:finalizeLayers");
}