/**
* This should be called from the Activity's onKeyDown() to handle keyboard shortcuts.
*
* <p>Note: onKeyDown() is called after the active view or web page has had a chance to handle the
* key event. So the keys handled here *can* be overridden by any view or web page.
*
* @param event The KeyEvent to handle.
* @param activity The ChromeActivity in which the key was pressed.
* @param isCurrentTabVisible Whether page-related actions are valid, e.g. reload, zoom in. This
* should be false when in the tab switcher.
* @param tabSwitchingEnabled Whether shortcuts that switch between tabs are enabled (e.g.
* Ctrl+Tab, Ctrl+3).
* @return Whether the key event was handled.
*/
public static boolean onKeyDown(
KeyEvent event,
ChromeActivity activity,
boolean isCurrentTabVisible,
boolean tabSwitchingEnabled) {
int keyCode = event.getKeyCode();
if (event.getRepeatCount() != 0 || KeyEvent.isModifierKey(keyCode)) return false;
if (KeyEvent.isGamepadButton(keyCode)) {
if (isGamepadAPIActive(activity)) return false;
} else if (!event.isCtrlPressed()
&& !event.isAltPressed()
&& keyCode != KeyEvent.KEYCODE_F3
&& keyCode != KeyEvent.KEYCODE_F5
&& keyCode != KeyEvent.KEYCODE_F10
&& keyCode != KeyEvent.KEYCODE_FORWARD) {
return false;
}
TabModel curModel = activity.getCurrentTabModel();
int count = curModel.getCount();
int metaState = getMetaState(event);
int keyCodeAndMeta = keyCode | metaState;
switch (keyCodeAndMeta) {
case CTRL | SHIFT | KeyEvent.KEYCODE_T:
activity.onMenuOrKeyboardAction(R.id.open_recently_closed_tab, false);
return true;
case CTRL | KeyEvent.KEYCODE_T:
activity.onMenuOrKeyboardAction(
curModel.isIncognito() ? R.id.new_incognito_tab_menu_id : R.id.new_tab_menu_id, false);
return true;
case CTRL | KeyEvent.KEYCODE_N:
activity.onMenuOrKeyboardAction(R.id.new_tab_menu_id, false);
return true;
case CTRL | SHIFT | KeyEvent.KEYCODE_N:
activity.onMenuOrKeyboardAction(R.id.new_incognito_tab_menu_id, false);
return true;
// Alt+E represents a special character ´ (latin code: ´) in Android.
// If an EditText or ContentView has focus, Alt+E will be swallowed by
// the default dispatchKeyEvent and cannot open the menu.
case ALT | KeyEvent.KEYCODE_E:
case ALT | KeyEvent.KEYCODE_F:
case KeyEvent.KEYCODE_F10:
case KeyEvent.KEYCODE_BUTTON_Y:
activity.onMenuOrKeyboardAction(R.id.show_menu, false);
return true;
}
if (isCurrentTabVisible) {
if (tabSwitchingEnabled && (metaState == CTRL || metaState == ALT)) {
int numCode = keyCode - KeyEvent.KEYCODE_0;
if (numCode > 0 && numCode <= Math.min(count, 8)) {
// Ctrl+1 to Ctrl+8: select tab by index
TabModelUtils.setIndex(curModel, numCode - 1);
return true;
} else if (numCode == 9 && count != 0) {
// Ctrl+9: select last tab
TabModelUtils.setIndex(curModel, count - 1);
return true;
}
}
switch (keyCodeAndMeta) {
case CTRL | KeyEvent.KEYCODE_TAB:
case CTRL | KeyEvent.KEYCODE_PAGE_DOWN:
case KeyEvent.KEYCODE_BUTTON_R1:
if (tabSwitchingEnabled && count > 1) {
TabModelUtils.setIndex(curModel, (curModel.index() + 1) % count);
}
return true;
case CTRL | SHIFT | KeyEvent.KEYCODE_TAB:
case CTRL | KeyEvent.KEYCODE_PAGE_UP:
case KeyEvent.KEYCODE_BUTTON_L1:
if (tabSwitchingEnabled && count > 1) {
TabModelUtils.setIndex(curModel, (curModel.index() + count - 1) % count);
}
return true;
case CTRL | KeyEvent.KEYCODE_W:
case CTRL | KeyEvent.KEYCODE_F4:
case KeyEvent.KEYCODE_BUTTON_B:
TabModelUtils.closeCurrentTab(curModel);
return true;
case CTRL | KeyEvent.KEYCODE_F:
case CTRL | KeyEvent.KEYCODE_G:
case CTRL | SHIFT | KeyEvent.KEYCODE_G:
case KeyEvent.KEYCODE_F3:
case SHIFT | KeyEvent.KEYCODE_F3:
activity.onMenuOrKeyboardAction(R.id.find_in_page_id, false);
return true;
case CTRL | KeyEvent.KEYCODE_L:
case ALT | KeyEvent.KEYCODE_D:
case KeyEvent.KEYCODE_BUTTON_X:
activity.onMenuOrKeyboardAction(R.id.focus_url_bar, false);
return true;
case CTRL | SHIFT | KeyEvent.KEYCODE_B:
activity.onMenuOrKeyboardAction(R.id.all_bookmarks_menu_id, false);
return true;
case KeyEvent.KEYCODE_BOOKMARK:
case CTRL | KeyEvent.KEYCODE_D:
activity.onMenuOrKeyboardAction(R.id.bookmark_this_page_id, false);
return true;
case CTRL | KeyEvent.KEYCODE_H:
activity.onMenuOrKeyboardAction(R.id.open_history_menu_id, false);
return true;
case CTRL | KeyEvent.KEYCODE_P:
activity.onMenuOrKeyboardAction(R.id.print_id, false);
return true;
case CTRL | KeyEvent.KEYCODE_PLUS:
case CTRL | KeyEvent.KEYCODE_EQUALS:
case CTRL | SHIFT | KeyEvent.KEYCODE_PLUS:
case CTRL | SHIFT | KeyEvent.KEYCODE_EQUALS:
case KeyEvent.KEYCODE_ZOOM_IN:
ContentViewCore cvc = activity.getCurrentContentViewCore();
if (cvc != null) cvc.zoomIn();
return true;
case CTRL | KeyEvent.KEYCODE_MINUS:
case KeyEvent.KEYCODE_ZOOM_OUT:
cvc = activity.getCurrentContentViewCore();
if (cvc != null) cvc.zoomOut();
return true;
case CTRL | KeyEvent.KEYCODE_0:
cvc = activity.getCurrentContentViewCore();
if (cvc != null) cvc.zoomReset();
return true;
case SHIFT | CTRL | KeyEvent.KEYCODE_R:
case CTRL | KeyEvent.KEYCODE_R:
case SHIFT | KeyEvent.KEYCODE_F5:
case KeyEvent.KEYCODE_F5:
Tab tab = activity.getActivityTab();
if (tab != null) {
if ((keyCodeAndMeta & SHIFT) == SHIFT) {
tab.reloadIgnoringCache();
} else {
tab.reload();
}
if (activity.getToolbarManager() != null
&& tab.getWebContents() != null
&& tab.getWebContents().focusLocationBarByDefault()) {
activity.getToolbarManager().revertLocationBarChanges();
} else {
tab.requestFocus();
}
}
return true;
case ALT | KeyEvent.KEYCODE_DPAD_LEFT:
tab = activity.getActivityTab();
if (tab != null && tab.canGoBack()) tab.goBack();
return true;
case ALT | KeyEvent.KEYCODE_DPAD_RIGHT:
case KeyEvent.KEYCODE_FORWARD:
case KeyEvent.KEYCODE_BUTTON_START:
tab = activity.getActivityTab();
if (tab != null && tab.canGoForward()) tab.goForward();
return true;
case CTRL | SHIFT | KeyEvent.KEYCODE_SLASH: // i.e. Ctrl+?
activity.onMenuOrKeyboardAction(R.id.help_id, false);
return true;
}
}
return false;
}
public boolean zoomIn() {
ContentViewCore contentView = this.getContentViewCore();
return contentView != null ? contentView.zoomIn() : false;
}