org.chromium.content.browser.ContentViewClient Java Examples

/**
 * Adjusts the physical backing size of a given ContentViewCore. This method will first check
 * if the ContentViewCore's client wants to override the size and, if so, it will use the
 * values provided by the {@link ContentViewClient#getDesiredWidthMeasureSpec()} and
 * {@link ContentViewClient#getDesiredHeightMeasureSpec()} methods. If no value is provided
 * in one of these methods, the values from the |width| and |height| arguments will be
 * used instead.
 *
 * @param contentViewCore The {@link ContentViewCore} to resize.
 * @param width The default width.
 * @param height The default height.
 */
private void adjustPhysicalBackingSize(ContentViewCore contentViewCore, int width, int height) {
    ContentViewClient client = contentViewCore.getContentViewClient();

    int desiredWidthMeasureSpec = client.getDesiredWidthMeasureSpec();
    if (MeasureSpec.getMode(desiredWidthMeasureSpec) != MeasureSpec.UNSPECIFIED) {
        width = MeasureSpec.getSize(desiredWidthMeasureSpec);
    }

    int desiredHeightMeasureSpec = client.getDesiredHeightMeasureSpec();
    if (MeasureSpec.getMode(desiredHeightMeasureSpec) != MeasureSpec.UNSPECIFIED) {
        height = MeasureSpec.getSize(desiredHeightMeasureSpec);
    }

    contentViewCore.onPhysicalBackingSizeChanged(width, height);
}
 

private static ContentViewCore createAndInitializeContentViewCore(ViewGroup containerView,
        InternalAccessDelegate internalDispatcher, int nativeWebContents,
        ContentViewCore.GestureStateListener pinchGestureStateListener,
        ContentViewClient contentViewClient,
        ContentViewCore.ZoomControlsDelegate zoomControlsDelegate) {
  Context context = containerView.getContext();
  ContentViewCore contentViewCore = new ContentViewCore(context);
  // Note INPUT_EVENTS_DELIVERED_IMMEDIATELY is passed to avoid triggering vsync in the
  // compositor, not because input events are delivered immediately.
  contentViewCore.initialize(containerView, internalDispatcher, nativeWebContents,
          context instanceof Activity ?
                  new ActivityWindowAndroid((Activity) context) : new WindowAndroid(context),
            ContentViewCore.INPUT_EVENTS_DELIVERED_IMMEDIATELY);
  contentViewCore.setGestureStateListener(pinchGestureStateListener);
  contentViewCore.setContentViewClient(contentViewClient);
  contentViewCore.setZoomControlsDelegate(zoomControlsDelegate);
  return contentViewCore;
}
 

/**
 * @param client The {@link ContentViewClient} to be bound to any current or new
 *               {@link ContentViewCore}s associated with this {@link Tab}.
 */
private void setContentViewClient(ContentViewClient client) {
    if (mContentViewClient == client) return;

    ContentViewClient oldClient = mContentViewClient;
    mContentViewClient = client;

    if (mContentViewCore == null) return;

    if (mContentViewClient != null) {
        mContentViewCore.setContentViewClient(mContentViewClient);
    } else if (oldClient != null) {
        // We can't set a null client, but we should clear references to the last one.
        mContentViewCore.setContentViewClient(new ContentViewClient());
    }
}
 

/**
 * Adjusts the physical backing size of a given ContentViewCore. This method will first check
 * if the ContentViewCore's client wants to override the size and, if so, it will use the
 * values provided by the {@link ContentViewClient#getDesiredWidthMeasureSpec()} and
 * {@link ContentViewClient#getDesiredHeightMeasureSpec()} methods. If no value is provided
 * in one of these methods, the values from the |width| and |height| arguments will be
 * used instead.
 *
 * @param contentViewCore The {@link ContentViewCore} to resize.
 * @param width The default width.
 * @param height The default height.
 */
private void adjustPhysicalBackingSize(ContentViewCore contentViewCore, int width, int height) {
    ContentViewClient client = contentViewCore.getContentViewClient();

    int desiredWidthMeasureSpec = client.getDesiredWidthMeasureSpec();
    if (MeasureSpec.getMode(desiredWidthMeasureSpec) != MeasureSpec.UNSPECIFIED) {
        width = MeasureSpec.getSize(desiredWidthMeasureSpec);
    }

    int desiredHeightMeasureSpec = client.getDesiredHeightMeasureSpec();
    if (MeasureSpec.getMode(desiredHeightMeasureSpec) != MeasureSpec.UNSPECIFIED) {
        height = MeasureSpec.getSize(desiredHeightMeasureSpec);
    }

    contentViewCore.onPhysicalBackingSizeChanged(width, height);
}
 

/**
 * @param client The {@link ContentViewClient} to be bound to any current or new
 *               {@link ContentViewCore}s associated with this {@link TabBase}.
 */
protected void setContentViewClient(ContentViewClient client) {
    if (mContentViewClient == client) return;

    ContentViewClient oldClient = mContentViewClient;
    mContentViewClient = client;

    if (mContentViewCore == null) return;

    if (mContentViewClient != null) {
        mContentViewCore.setContentViewClient(mContentViewClient);
    } else if (oldClient != null) {
        // We can't set a null client, but we should clear references to the last one.
        mContentViewCore.setContentViewClient(new ContentViewClient());
    }
}
 

/**
 * @param client The {@link ContentViewClient} to be bound to any current or new
 *               {@link ContentViewCore}s associated with this {@link Tab}.
 */
private void setContentViewClient(ContentViewClient client) {
    if (mContentViewClient == client) return;

    ContentViewClient oldClient = mContentViewClient;
    mContentViewClient = client;

    if (mContentViewCore == null) return;

    if (mContentViewClient != null) {
        mContentViewCore.setContentViewClient(mContentViewClient);
    } else if (oldClient != null) {
        // We can't set a null client, but we should clear references to the last one.
        mContentViewCore.setContentViewClient(new ContentViewClient());
    }
}
 

private static ContentViewCore createAndInitializeContentViewCore(ViewGroup containerView,
        InternalAccessDelegate internalDispatcher, int nativeWebContents,
        ContentViewCore.GestureStateListener pinchGestureStateListener,
        ContentViewClient contentViewClient,
        ContentViewCore.ZoomControlsDelegate zoomControlsDelegate) {
  Context context = containerView.getContext();
  ContentViewCore contentViewCore = new ContentViewCore(context);
  // Note INPUT_EVENTS_DELIVERED_IMMEDIATELY is passed to avoid triggering vsync in the
  // compositor, not because input events are delivered immediately.
  contentViewCore.initialize(containerView, internalDispatcher, nativeWebContents,
          context instanceof Activity ?
                  new ActivityWindowAndroid((Activity) context) : new WindowAndroid(context),
            ContentViewCore.INPUT_EVENTS_DELIVERED_IMMEDIATELY);
  contentViewCore.setGestureStateListener(pinchGestureStateListener);
  contentViewCore.setContentViewClient(contentViewClient);
  contentViewCore.setZoomControlsDelegate(zoomControlsDelegate);
  return contentViewCore;
}
 

/**
 * @param client The {@link ContentViewClient} to be bound to any current or new
 *               {@link ContentViewCore}s associated with this {@link TabBase}.
 */
protected void setContentViewClient(ContentViewClient client) {
    if (mContentViewClient == client) return;

    ContentViewClient oldClient = mContentViewClient;
    mContentViewClient = client;

    if (mContentViewCore == null) return;

    if (mContentViewClient != null) {
        mContentViewCore.setContentViewClient(mContentViewClient);
    } else if (oldClient != null) {
        // We can't set a null client, but we should clear references to the last one.
        mContentViewCore.setContentViewClient(new ContentViewClient());
    }
}
 

private void finishInitialization(Bundle savedInstanceState) {
    String shellUrl = ShellManager.DEFAULT_SHELL_URL;
    if (savedInstanceState != null
            && savedInstanceState.containsKey(ACTIVE_SHELL_URL_KEY)) {
        shellUrl = savedInstanceState.getString(ACTIVE_SHELL_URL_KEY);
    }
    mShellManager.launchShell(shellUrl);
    getActiveContentView().setContentViewClient(new ContentViewClient() {
        @Override
        public ContentVideoViewClient getContentVideoViewClient() {
            return new ActivityContentVideoViewClient(ContentShellActivity.this);
        }
    });
}
 

/**
 * Creates a {@link TestShellTab} with a URL specified by {@code url}.
 *
 * @param url The URL the new {@link TestShellTab} should start with.
 */
public void createTab(String url) {
    mTabManager.createTab(url);
    getActiveContentView().setContentViewClient(new ContentViewClient() {
        @Override
        public ContentVideoViewClient getContentVideoViewClient() {
            return new ActivityContentVideoViewClient(ChromiumTestShellActivity.this);
        }
    });
}
 

private void finishInitialization(Bundle savedInstanceState) {
    String shellUrl = ShellManager.DEFAULT_SHELL_URL;
    if (savedInstanceState != null
            && savedInstanceState.containsKey(ACTIVE_SHELL_URL_KEY)) {
        shellUrl = savedInstanceState.getString(ACTIVE_SHELL_URL_KEY);
    }
    mShellManager.launchShell(shellUrl);
    getActiveContentView().setContentViewClient(new ContentViewClient() {
        @Override
        public ContentVideoViewClient getContentVideoViewClient() {
            return new ActivityContentVideoViewClient(ContentShellActivity.this);
        }
    });
}
 

/**
 * Creates a {@link TestShellTab} with a URL specified by {@code url}.
 *
 * @param url The URL the new {@link TestShellTab} should start with.
 */
public void createTab(String url) {
    mTabManager.createTab(url);
    getActiveContentView().setContentViewClient(new ContentViewClient() {
        @Override
        public ContentVideoViewClient getContentVideoViewClient() {
            return new ActivityContentVideoViewClient(ChromiumTestShellActivity.this);
        }
    });
}
 

/**
 * Add any other objects that depend on the OverlayPanelContent having already been created.
 */
private OverlayPanelContent createNewOverlayPanelContentInternal() {
    OverlayPanelContent content = mContentFactory.createNewOverlayPanelContent();

    content.setContentViewClient(new ContentViewClient() {
        @Override
        public int getDesiredWidthMeasureSpec() {
            if (isFullWidthSizePanel()) {
                return super.getDesiredWidthMeasureSpec();
            } else {
                return MeasureSpec.makeMeasureSpec(
                        getContentViewWidthPx(),
                        MeasureSpec.EXACTLY);
            }
        }

        @Override
        public int getDesiredHeightMeasureSpec() {
            if (isFullWidthSizePanel()) {
                return super.getDesiredHeightMeasureSpec();
            } else {
                return MeasureSpec.makeMeasureSpec(
                        getContentViewHeightPx(),
                        MeasureSpec.EXACTLY);
            }
        }
    });
    return content;
}
 

/**
 * Set a ContentViewClient for this panel to use (will be reused for each new ContentViewCore).
 * @param viewClient The ContentViewClient to use.
 */
public void setContentViewClient(ContentViewClient viewClient) {
    mContentViewClient = viewClient;
    if (mContentViewCore != null) {
        mContentViewCore.setContentViewClient(mContentViewClient);
    }
}
 

/**
 * Set a ContentViewClient for this panel to use (will be reused for each new ContentViewCore).
 * @param viewClient The ContentViewClient to use.
 */
public void setContentViewClient(ContentViewClient viewClient) {
    mContentViewClient = viewClient;
    if (mContentViewCore != null) {
        mContentViewCore.setContentViewClient(mContentViewClient);
    }
}
 

final ContentViewClient getContentViewClient() {
    return mContentViewClient;
}
 

/**
 * Add any other objects that depend on the OverlayPanelContent having already been created.
 */
private OverlayPanelContent createNewOverlayPanelContentInternal() {
    OverlayPanelContent content = mContentFactory.createNewOverlayPanelContent();

    content.setContentViewClient(new ContentViewClient() {
        @Override
        public int getDesiredWidthMeasureSpec() {
            if (isFullWidthSizePanel()) {
                return super.getDesiredWidthMeasureSpec();
            } else {
                return MeasureSpec.makeMeasureSpec(
                        getContentViewWidthPx(),
                        MeasureSpec.EXACTLY);
            }
        }

        @Override
        public int getDesiredHeightMeasureSpec() {
            if (isFullWidthSizePanel()) {
                return super.getDesiredHeightMeasureSpec();
            } else {
                return MeasureSpec.makeMeasureSpec(
                        getContentViewHeightPx(),
                        MeasureSpec.EXACTLY);
            }
        }

        @Override
        public ContentVideoViewEmbedder getContentVideoViewEmbedder() {
            // TODO(mdjones): Possibly enable fullscreen video in overlay panels rather than
            // passing an empty implementation.
            return new ContentVideoViewEmbedder() {
                @Override
                public void enterFullscreenVideo(View view) {}

                @Override
                public void exitFullscreenVideo() {}

                @Override
                public View getVideoLoadingProgressView() {
                    return null;
                }

                @Override
                public void setSystemUiVisibility(boolean enterFullscreen) {}
            };
        }
    });

    return content;
}
 

final ContentViewClient getContentViewClient() {
    return mContentViewClient;
}
 

/**
 * @return The {@link ContentViewClient} currently bound to any {@link ContentViewCore}
 *         associated with the current page.  There can still be a {@link ContentViewClient}
 *         even when there is no {@link ContentViewCore}.
 */
protected ContentViewClient getContentViewClient() {
    return mContentViewClient;
}
 

/**
 * @return The {@link ContentViewClient} currently bound to any {@link ContentViewCore}
 *         associated with the current page.  There can still be a {@link ContentViewClient}
 *         even when there is no {@link ContentViewCore}.
 */
protected ContentViewClient getContentViewClient() {
    return mContentViewClient;
}