Examples with NativePage org.chromium.chrome.browser.NativePage used on opensource projects

Example 1 with NativePage

use of org.chromium.chrome.browser.NativePage in project AndroidChromium by JackyAndroid.

the class Tab method showNativePage.

/**
     * Shows the given {@code nativePage} if it's not already showing.
     * @param nativePage The {@link NativePage} to show.
     */
private void showNativePage(NativePage nativePage) {
    if (mNativePage == nativePage)
        return;
    NativePage previousNativePage = mNativePage;
    mNativePage = nativePage;
    pushNativePageStateToNavigationEntry();
    // Notifying of theme color change before content change because some of
    // the observers depend on the theme information being correct in
    // onContentChanged().
    updateThemeColorIfNeeded(false);
    notifyContentChanged();
    destroyNativePageInternal(previousNativePage);
}

Example 2 with NativePage

use of org.chromium.chrome.browser.NativePage in project AndroidChromium by JackyAndroid.

the class Tab method showRenderedPage.

/**
     * Hides the current {@link NativePage}, if any, and shows the {@link ContentViewCore}'s view.
     */
protected void showRenderedPage() {
    updateTitle();
    if (mNativePage == null)
        return;
    NativePage previousNativePage = mNativePage;
    mNativePage = null;
    notifyContentChanged();
    destroyNativePageInternal(previousNativePage);
}

Example 3 with NativePage

use of org.chromium.chrome.browser.NativePage in project AndroidChromium by JackyAndroid.

the class Tab method swapContentViewCore.

/**
     * Called to swap out the current view with the one passed in.
     *
     * @param newContentViewCore The content view that should be swapped into the tab.
     * @param deleteOldNativeWebContents Whether to delete the native web
     *         contents of old view.
     * @param didStartLoad Whether
     *         WebContentsObserver::DidStartProvisionalLoadForFrame() has
     *         already been called.
     * @param didFinishLoad Whether WebContentsObserver::DidFinishLoad() has
     *         already been called.
     */
public void swapContentViewCore(ContentViewCore newContentViewCore, boolean deleteOldNativeWebContents, boolean didStartLoad, boolean didFinishLoad) {
    int originalWidth = 0;
    int originalHeight = 0;
    if (mContentViewCore != null) {
        originalWidth = mContentViewCore.getViewportWidthPix();
        originalHeight = mContentViewCore.getViewportHeightPix();
        mContentViewCore.onHide();
    }
    Rect bounds = new Rect();
    if (originalWidth == 0 && originalHeight == 0) {
        bounds = ExternalPrerenderHandler.estimateContentSize((Application) getApplicationContext(), false);
        originalWidth = bounds.right - bounds.left;
        originalHeight = bounds.bottom - bounds.top;
    }
    destroyContentViewCore(deleteOldNativeWebContents);
    NativePage previousNativePage = mNativePage;
    mNativePage = null;
    // Size of the new ContentViewCore is zero at this point. If we don't call onSizeChanged(),
    // next onShow() call would send a resize message with the current ContentViewCore size
    // (zero) to the renderer process, although the new size will be set soon.
    // However, this size fluttering may confuse Blink and rendered result can be broken
    // (see http://crbug.com/340987).
    newContentViewCore.onSizeChanged(originalWidth, originalHeight, 0, 0);
    if (!bounds.isEmpty()) {
        newContentViewCore.onPhysicalBackingSizeChanged(bounds.right, bounds.bottom);
    }
    newContentViewCore.onShow();
    setContentViewCore(newContentViewCore);
    mContentViewCore.attachImeAdapter();
    // See crbug.com/537671
    if (!mContentViewCore.getWebContents().getLastCommittedUrl().equals("")) {
        ChildProcessLauncher.determinedVisibility(mContentViewCore.getCurrentRenderProcessId());
    }
    destroyNativePageInternal(previousNativePage);
    for (TabObserver observer : mObservers) {
        observer.onWebContentsSwapped(this, didStartLoad, didFinishLoad);
    }
}

Example 4 with NativePage

use of org.chromium.chrome.browser.NativePage in project AndroidChromium by JackyAndroid.

the class Tab method destroy.

/**
     * Cleans up all internal state, destroying any {@link NativePage} or {@link ContentViewCore}
     * currently associated with this {@link Tab}.  This also destroys the native counterpart
     * to this class, which means that all subclasses should erase their native pointers after
     * this method is called.  Once this call is made this {@link Tab} should no longer be used.
     */
public void destroy() {
    mIsInitialized = false;
    // Update the title before destroying the tab. http://b/5783092
    updateTitle();
    if (mTabUma != null)
        mTabUma.onDestroy();
    for (TabObserver observer : mObservers) observer.onDestroyed(this);
    mObservers.clear();
    NativePage currentNativePage = mNativePage;
    mNativePage = null;
    destroyNativePageInternal(currentNativePage);
    destroyContentViewCore(true);
    // Native part of BlimpContents is destroyed on the subsequent call to nativeDestroy.
    mBlimpContents = null;
    // expects all infobars to be cleaned up before its own destruction.
    assert mNativeTabAndroid != 0;
    nativeDestroy(mNativeTabAndroid);
    assert mNativeTabAndroid == 0;
    if (mInfoBarContainer != null) {
        mInfoBarContainer.destroy();
        mInfoBarContainer = null;
    }
    mPreviousFullscreenTopControlsOffsetY = Float.NaN;
    mPreviousFullscreenContentOffsetY = Float.NaN;
    mNeedsReload = false;
    // Remove pending handler actions to prevent memory leaks.
    mHandler.removeCallbacksAndMessages(null);
}

Example 5 with NativePage

use of org.chromium.chrome.browser.NativePage in project AndroidChromium by JackyAndroid.

the class Tab method setContentViewCore.

/**
     * Completes the {@link ContentViewCore} specific initialization around a native WebContents
     * pointer. {@link #getNativePage()} will still return the {@link NativePage} if there is one.
     * All initialization that needs to reoccur after a web contents swap should be added here.
     * <p />
     * NOTE: If you attempt to pass a native WebContents that does not have the same incognito
     * state as this tab this call will fail.
     *
     * @param cvc The content view core that needs to be set as active view for the tab.
     */
private void setContentViewCore(ContentViewCore cvc) {
    try {
        TraceEvent.begin("ChromeTab.setContentViewCore");
        NativePage previousNativePage = mNativePage;
        mNativePage = null;
        destroyNativePageInternal(previousNativePage);
        if (mContentViewCore != null) {
            mContentViewCore.setObscuredByAnotherView(false);
        }
        mContentViewCore = cvc;
        cvc.getContainerView().setOnHierarchyChangeListener(this);
        cvc.getContainerView().setOnSystemUiVisibilityChangeListener(this);
        // accessibility. http://crbug.com/416663
        if (mContentViewParent != null) {
            assert false;
            mContentViewParent.removeAllViews();
        }
        mContentViewParent = new TabContentViewParent(mThemedApplicationContext, this);
        mContentViewParent.addView(cvc.getContainerView(), 0, new FrameLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
        mWebContentsDelegate = mDelegateFactory.createWebContentsDelegate(this);
        mWebContentsObserver = new TabWebContentsObserver(mContentViewCore.getWebContents(), this);
        if (mContentViewClient != null) {
            mContentViewCore.setContentViewClient(mContentViewClient);
        }
        mDownloadDelegate = new ChromeDownloadDelegate(mThemedApplicationContext, this);
        assert mNativeTabAndroid != 0;
        nativeInitWebContents(mNativeTabAndroid, mIncognito, mContentViewCore.getWebContents(), mWebContentsDelegate, new TabContextMenuPopulator(mDelegateFactory.createContextMenuPopulator(this), this));
        // valid infobar container, no need to recreate one.
        if (mInfoBarContainer == null) {
            // The InfoBarContainer needs to be created after the ContentView has been natively
            // initialized.
            mInfoBarContainer = new InfoBarContainer(mThemedApplicationContext, getId(), mContentViewParent, this);
        } else {
            mInfoBarContainer.onParentViewChanged(getId(), mContentViewParent);
        }
        mInfoBarContainer.setContentViewCore(mContentViewCore);
        mSwipeRefreshHandler = new SwipeRefreshHandler(mThemedApplicationContext, this);
        updateThemeColorIfNeeded(false);
        notifyContentChanged();
        // For browser tabs, we want to set accessibility focus to the page
        // when it loads. This is not the default behavior for embedded
        // web views.
        mContentViewCore.setShouldSetAccessibilityFocusOnPageLoad(true);
        setInterceptNavigationDelegate(mDelegateFactory.createInterceptNavigationDelegate(this));
        if (mGestureStateListener == null) {
            mGestureStateListener = createGestureStateListener();
        }
        cvc.addGestureStateListener(mGestureStateListener);
    } finally {
        TraceEvent.end("ChromeTab.setContentViewCore");
    }
}